Compare commits
14 Commits
next-MAY
...
fix/releas
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13
.github/workflows/main.yml
vendored
13
.github/workflows/main.yml
vendored
@@ -9,16 +9,26 @@ on:
|
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types: [opened]
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discussion:
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types: [created]
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watch:
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types: [started]
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jobs:
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notify-discord:
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runs-on: ubuntu-latest
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steps:
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- name: Send to Google Apps Script (Stars only)
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if: github.event_name == 'watch'
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run: |
|
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curl -fSs -X POST "${{ secrets.GOOGLE_SCRIPT_ENDPOINT }}" \
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-H 'Content-Type: application/json' \
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-d '{"url":"${{ github.event.sender.html_url }}"}'
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- name: Set webhook based on event type
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id: set-webhook
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run: |
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if [ "${{ github.event_name }}" == "discussion" ]; then
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echo "webhook=${{ secrets.DISCORD_DISCUSSIONS_WEBHOOK }}" >> $GITHUB_OUTPUT
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elif [ "${{ github.event_name }}" == "watch" ]; then
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echo "webhook=${{ secrets.DISCORD_STAR_GAZERS }}" >> $GITHUB_OUTPUT
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else
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echo "webhook=${{ secrets.DISCORD_WEBHOOK }}" >> $GITHUB_OUTPUT
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fi
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@@ -31,5 +41,6 @@ jobs:
|
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args: |
|
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${{ github.event_name == 'issues' && format('📣 New issue created: **{0}** by {1} - {2}', github.event.issue.title, github.event.issue.user.login, github.event.issue.html_url) ||
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github.event_name == 'issue_comment' && format('💬 New comment on issue **{0}** by {1} - {2}', github.event.issue.title, github.event.comment.user.login, github.event.comment.html_url) ||
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github.event_name == 'pull_request' && format('🔄 New PR opened: **{0}** by {1} - {2}', github.event.pull_request.title, github.event.pull_request.user.login, github.event.pull_request.html_url) ||
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github.event_name == 'pull_request' && format('🔄 New PR opened: **{0}** by {1} - {2}', github.event.pull_request.title, github.event.pull_request.user.login, github.event.pull_request.html_url) ||
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github.event_name == 'watch' && format('⭐ {0} starred Crawl4AI 🥳! Check out their profile: {1}', github.event.sender.login, github.event.sender.html_url) ||
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format('💬 New discussion started: **{0}** by {1} - {2}', github.event.discussion.title, github.event.discussion.user.login, github.event.discussion.html_url) }}
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@@ -1,7 +1,7 @@
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FROM python:3.12-slim-bookworm AS build
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|
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# C4ai version
|
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ARG C4AI_VER=0.6.0
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ARG C4AI_VER=0.7.0-r1
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ENV C4AI_VERSION=$C4AI_VER
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LABEL c4ai.version=$C4AI_VER
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|
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|
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76
README.md
76
README.md
@@ -26,9 +26,9 @@
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|
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Crawl4AI is the #1 trending GitHub repository, actively maintained by a vibrant community. It delivers blazing-fast, AI-ready web crawling tailored for LLMs, AI agents, and data pipelines. Open source, flexible, and built for real-time performance, Crawl4AI empowers developers with unmatched speed, precision, and deployment ease.
|
||||
|
||||
[✨ Check out latest update v0.6.0](#-recent-updates)
|
||||
[✨ Check out latest update v0.7.0](#-recent-updates)
|
||||
|
||||
🎉 **Version 0.6.0 is now available!** This release candidate introduces World-aware Crawling with geolocation and locale settings, Table-to-DataFrame extraction, Browser pooling with pre-warming, Network and console traffic capture, MCP integration for AI tools, and a completely revamped Docker deployment! [Read the release notes →](https://docs.crawl4ai.com/blog)
|
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🎉 **Version 0.7.0 is now available!** The Adaptive Intelligence Update introduces groundbreaking features: Adaptive Crawling that learns website patterns, Virtual Scroll support for infinite pages, intelligent Link Preview with 3-layer scoring, Async URL Seeder for massive discovery, and significant performance improvements. [Read the release notes →](https://docs.crawl4ai.com/blog/release-v0.7.0)
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|
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<details>
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<summary>🤓 <strong>My Personal Story</strong></summary>
|
||||
@@ -274,8 +274,8 @@ The new Docker implementation includes:
|
||||
|
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```bash
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||||
# Pull and run the latest release candidate
|
||||
docker pull unclecode/crawl4ai:0.6.0-rN # Use your favorite revision number
|
||||
docker run -d -p 11235:11235 --name crawl4ai --shm-size=1g unclecode/crawl4ai:0.6.0-rN # Use your favorite revision number
|
||||
docker pull unclecode/crawl4ai:0.7.0
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||||
docker run -d -p 11235:11235 --name crawl4ai --shm-size=1g unclecode/crawl4ai:0.7.0
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||||
|
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# Visit the playground at http://localhost:11235/playground
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```
|
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@@ -518,7 +518,72 @@ async def test_news_crawl():
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## ✨ Recent Updates
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||||
### Version 0.6.0 Release Highlights
|
||||
### Version 0.7.0 Release Highlights - The Adaptive Intelligence Update
|
||||
|
||||
- **🧠 Adaptive Crawling**: Your crawler now learns and adapts to website patterns automatically:
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```python
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config = AdaptiveConfig(
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confidence_threshold=0.7, # Min confidence to stop crawling
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max_depth=5, # Maximum crawl depth
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max_pages=20, # Maximum number of pages to crawl
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strategy="statistical"
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)
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async with AsyncWebCrawler() as crawler:
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adaptive_crawler = AdaptiveCrawler(crawler, config)
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state = await adaptive_crawler.digest(
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start_url="https://news.example.com",
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query="latest news content"
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)
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# Crawler learns patterns and improves extraction over time
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```
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||||
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- **🌊 Virtual Scroll Support**: Complete content extraction from infinite scroll pages:
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```python
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scroll_config = VirtualScrollConfig(
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container_selector="[data-testid='feed']",
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scroll_count=20,
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scroll_by="container_height",
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wait_after_scroll=1.0
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)
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result = await crawler.arun(url, config=CrawlerRunConfig(
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virtual_scroll_config=scroll_config
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))
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```
|
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- **🔗 Intelligent Link Analysis**: 3-layer scoring system for smart link prioritization:
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```python
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link_config = LinkPreviewConfig(
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query="machine learning tutorials",
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score_threshold=0.3,
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concurrent_requests=10
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)
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result = await crawler.arun(url, config=CrawlerRunConfig(
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link_preview_config=link_config,
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score_links=True
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))
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# Links ranked by relevance and quality
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```
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||||
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- **🎣 Async URL Seeder**: Discover thousands of URLs in seconds:
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||||
```python
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||||
seeder = AsyncUrlSeeder(SeedingConfig(
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source="sitemap+cc",
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||||
pattern="*/blog/*",
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||||
query="python tutorials",
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||||
score_threshold=0.4
|
||||
))
|
||||
|
||||
urls = await seeder.discover("https://example.com")
|
||||
```
|
||||
|
||||
- **⚡ Performance Boost**: Up to 3x faster with optimized resource handling and memory efficiency
|
||||
|
||||
Read the full details in our [0.7.0 Release Notes](https://docs.crawl4ai.com/blog/release-v0.7.0) or check the [CHANGELOG](https://github.com/unclecode/crawl4ai/blob/main/CHANGELOG.md).
|
||||
|
||||
### Previous Version: 0.6.0 Release Highlights
|
||||
|
||||
- **🌎 World-aware Crawling**: Set geolocation, language, and timezone for authentic locale-specific content:
|
||||
```python
|
||||
@@ -588,7 +653,6 @@ async def test_news_crawl():
|
||||
|
||||
- **📱 Multi-stage Build System**: Optimized Dockerfile with platform-specific performance enhancements
|
||||
|
||||
Read the full details in our [0.6.0 Release Notes](https://docs.crawl4ai.com/blog/releases/0.6.0.html) or check the [CHANGELOG](https://github.com/unclecode/crawl4ai/blob/main/CHANGELOG.md).
|
||||
|
||||
### Previous Version: 0.5.0 Major Release Highlights
|
||||
|
||||
|
||||
@@ -1,7 +1,7 @@
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||||
# crawl4ai/__version__.py
|
||||
|
||||
# This is the version that will be used for stable releases
|
||||
__version__ = "0.6.3"
|
||||
__version__ = "0.7.0"
|
||||
|
||||
# For nightly builds, this gets set during build process
|
||||
__nightly_version__ = None
|
||||
|
||||
@@ -1659,22 +1659,57 @@ class SeedingConfig:
|
||||
"""
|
||||
def __init__(
|
||||
self,
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||||
source: str = "sitemap+cc", # Options: "sitemap", "cc", "sitemap+cc"
|
||||
pattern: Optional[str] = "*", # URL pattern to filter discovered URLs (e.g., "*example.com/blog/*")
|
||||
live_check: bool = False, # Whether to perform HEAD requests to verify URL liveness
|
||||
extract_head: bool = False, # Whether to fetch and parse <head> section for metadata
|
||||
max_urls: int = -1, # Maximum number of URLs to discover (default: -1 for no limit)
|
||||
concurrency: int = 1000, # Maximum concurrent requests for live checks/head extraction
|
||||
hits_per_sec: int = 5, # Rate limit in requests per second
|
||||
force: bool = False, # If True, bypasses the AsyncUrlSeeder's internal .jsonl cache
|
||||
base_directory: Optional[str] = None, # Base directory for UrlSeeder's cache files (.jsonl)
|
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llm_config: Optional[LLMConfig] = None, # Forward LLM config for future use (e.g., relevance scoring)
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verbose: Optional[bool] = None, # Override crawler's general verbose setting
|
||||
query: Optional[str] = None, # Search query for relevance scoring
|
||||
score_threshold: Optional[float] = None, # Minimum relevance score to include URL (0.0-1.0)
|
||||
scoring_method: str = "bm25", # Scoring method: "bm25" (default), future: "semantic"
|
||||
filter_nonsense_urls: bool = True, # Filter out utility URLs like robots.txt, sitemap.xml, etc.
|
||||
source: str = "sitemap+cc",
|
||||
pattern: Optional[str] = "*",
|
||||
live_check: bool = False,
|
||||
extract_head: bool = False,
|
||||
max_urls: int = -1,
|
||||
concurrency: int = 1000,
|
||||
hits_per_sec: int = 5,
|
||||
force: bool = False,
|
||||
base_directory: Optional[str] = None,
|
||||
llm_config: Optional[LLMConfig] = None,
|
||||
verbose: Optional[bool] = None,
|
||||
query: Optional[str] = None,
|
||||
score_threshold: Optional[float] = None,
|
||||
scoring_method: str = "bm25",
|
||||
filter_nonsense_urls: bool = True,
|
||||
):
|
||||
"""
|
||||
Initialize URL seeding configuration.
|
||||
|
||||
Args:
|
||||
source: Discovery source(s) to use. Options: "sitemap", "cc" (Common Crawl),
|
||||
or "sitemap+cc" (both). Default: "sitemap+cc"
|
||||
pattern: URL pattern to filter discovered URLs (e.g., "*example.com/blog/*").
|
||||
Supports glob-style wildcards. Default: "*" (all URLs)
|
||||
live_check: Whether to perform HEAD requests to verify URL liveness.
|
||||
Default: False
|
||||
extract_head: Whether to fetch and parse <head> section for metadata extraction.
|
||||
Required for BM25 relevance scoring. Default: False
|
||||
max_urls: Maximum number of URLs to discover. Use -1 for no limit.
|
||||
Default: -1
|
||||
concurrency: Maximum concurrent requests for live checks/head extraction.
|
||||
Default: 1000
|
||||
hits_per_sec: Rate limit in requests per second to avoid overwhelming servers.
|
||||
Default: 5
|
||||
force: If True, bypasses the AsyncUrlSeeder's internal .jsonl cache and
|
||||
re-fetches URLs. Default: False
|
||||
base_directory: Base directory for UrlSeeder's cache files (.jsonl).
|
||||
If None, uses default ~/.crawl4ai/. Default: None
|
||||
llm_config: LLM configuration for future features (e.g., semantic scoring).
|
||||
Currently unused. Default: None
|
||||
verbose: Override crawler's general verbose setting for seeding operations.
|
||||
Default: None (inherits from crawler)
|
||||
query: Search query for BM25 relevance scoring (e.g., "python tutorials").
|
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Requires extract_head=True. Default: None
|
||||
score_threshold: Minimum relevance score (0.0-1.0) to include URL.
|
||||
Only applies when query is provided. Default: None
|
||||
scoring_method: Scoring algorithm to use. Currently only "bm25" is supported.
|
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Future: "semantic". Default: "bm25"
|
||||
filter_nonsense_urls: Filter out utility URLs like robots.txt, sitemap.xml,
|
||||
ads.txt, favicon.ico, etc. Default: True
|
||||
"""
|
||||
self.source = source
|
||||
self.pattern = pattern
|
||||
self.live_check = live_check
|
||||
|
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@@ -424,10 +424,21 @@ class AsyncUrlSeeder:
|
||||
self._log("info", "Finished URL seeding for {domain}. Total URLs: {count}",
|
||||
params={"domain": domain, "count": len(results)}, tag="URL_SEED")
|
||||
|
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# Sort by relevance score if query was provided
|
||||
# Apply BM25 scoring if query was provided
|
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if query and extract_head and scoring_method == "bm25":
|
||||
results.sort(key=lambda x: x.get(
|
||||
"relevance_score", 0.0), reverse=True)
|
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# Apply collective BM25 scoring across all documents
|
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results = await self._apply_bm25_scoring(results, config)
|
||||
|
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# Filter by score threshold if specified
|
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if score_threshold is not None:
|
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original_count = len(results)
|
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results = [r for r in results if r.get("relevance_score", 0) >= score_threshold]
|
||||
if original_count > len(results):
|
||||
self._log("info", "Filtered {filtered} URLs below score threshold {threshold}",
|
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params={"filtered": original_count - len(results), "threshold": score_threshold}, tag="URL_SEED")
|
||||
|
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# Sort by relevance score
|
||||
results.sort(key=lambda x: x.get("relevance_score", 0.0), reverse=True)
|
||||
self._log("info", "Sorted {count} URLs by relevance score for query: '{query}'",
|
||||
params={"count": len(results), "query": query}, tag="URL_SEED")
|
||||
elif query and not extract_head:
|
||||
@@ -982,28 +993,6 @@ class AsyncUrlSeeder:
|
||||
"head_data": head_data,
|
||||
}
|
||||
|
||||
# Apply BM25 scoring if query is provided and head data exists
|
||||
if query and ok and scoring_method == "bm25" and head_data:
|
||||
text_context = self._extract_text_context(head_data)
|
||||
if text_context:
|
||||
# Calculate BM25 score for this single document
|
||||
# scores = self._calculate_bm25_score(query, [text_context])
|
||||
scores = await asyncio.to_thread(self._calculate_bm25_score, query, [text_context])
|
||||
relevance_score = scores[0] if scores else 0.0
|
||||
entry["relevance_score"] = float(relevance_score)
|
||||
else:
|
||||
# No text context, use URL-based scoring as fallback
|
||||
relevance_score = self._calculate_url_relevance_score(
|
||||
query, entry["url"])
|
||||
entry["relevance_score"] = float(relevance_score)
|
||||
elif query:
|
||||
# Query provided but no head data - we reject this entry
|
||||
self._log("debug", "No head data for {url}, using URL-based scoring",
|
||||
params={"url": url}, tag="URL_SEED")
|
||||
return
|
||||
# relevance_score = self._calculate_url_relevance_score(query, entry["url"])
|
||||
# entry["relevance_score"] = float(relevance_score)
|
||||
|
||||
elif live:
|
||||
self._log("debug", "Performing live check for {url}", params={
|
||||
"url": url}, tag="URL_SEED")
|
||||
@@ -1013,35 +1002,13 @@ class AsyncUrlSeeder:
|
||||
params={"status": status.upper(), "url": url}, tag="URL_SEED")
|
||||
entry = {"url": url, "status": status, "head_data": {}}
|
||||
|
||||
# Apply URL-based scoring if query is provided
|
||||
if query:
|
||||
relevance_score = self._calculate_url_relevance_score(
|
||||
query, url)
|
||||
entry["relevance_score"] = float(relevance_score)
|
||||
|
||||
else:
|
||||
entry = {"url": url, "status": "unknown", "head_data": {}}
|
||||
|
||||
# Apply URL-based scoring if query is provided
|
||||
if query:
|
||||
relevance_score = self._calculate_url_relevance_score(
|
||||
query, url)
|
||||
entry["relevance_score"] = float(relevance_score)
|
||||
|
||||
# Now decide whether to add the entry based on score threshold
|
||||
if query and "relevance_score" in entry:
|
||||
if score_threshold is None or entry["relevance_score"] >= score_threshold:
|
||||
if live or extract:
|
||||
await self._cache_set(cache_kind, url, entry)
|
||||
res_list.append(entry)
|
||||
else:
|
||||
self._log("debug", "URL {url} filtered out with score {score} < {threshold}",
|
||||
params={"url": url, "score": entry["relevance_score"], "threshold": score_threshold}, tag="URL_SEED")
|
||||
else:
|
||||
# No query or no scoring - add as usual
|
||||
if live or extract:
|
||||
await self._cache_set(cache_kind, url, entry)
|
||||
res_list.append(entry)
|
||||
# Add entry to results (scoring will be done later)
|
||||
if live or extract:
|
||||
await self._cache_set(cache_kind, url, entry)
|
||||
res_list.append(entry)
|
||||
|
||||
async def _head_ok(self, url: str, timeout: int) -> bool:
|
||||
try:
|
||||
@@ -1436,8 +1403,19 @@ class AsyncUrlSeeder:
|
||||
scores = bm25.get_scores(query_tokens)
|
||||
|
||||
# Normalize scores to 0-1 range
|
||||
max_score = max(scores) if max(scores) > 0 else 1.0
|
||||
normalized_scores = [score / max_score for score in scores]
|
||||
# BM25 can return negative scores, so we need to handle the full range
|
||||
if len(scores) == 0:
|
||||
return []
|
||||
|
||||
min_score = min(scores)
|
||||
max_score = max(scores)
|
||||
|
||||
# If all scores are the same, return 0.5 for all
|
||||
if max_score == min_score:
|
||||
return [0.5] * len(scores)
|
||||
|
||||
# Normalize to 0-1 range using min-max normalization
|
||||
normalized_scores = [(score - min_score) / (max_score - min_score) for score in scores]
|
||||
|
||||
return normalized_scores
|
||||
except Exception as e:
|
||||
|
||||
@@ -58,13 +58,15 @@ Pull and run images directly from Docker Hub without building locally.
|
||||
|
||||
#### 1. Pull the Image
|
||||
|
||||
Our latest release candidate is `0.6.0-r1`. Images are built with multi-arch manifests, so Docker automatically pulls the correct version for your system.
|
||||
Our latest release candidate is `0.7.0-r1`. Images are built with multi-arch manifests, so Docker automatically pulls the correct version for your system.
|
||||
|
||||
> ⚠️ **Important Note**: The `latest` tag currently points to the stable `0.6.0` version. After testing and validation, `0.7.0` (without -r1) will be released and `latest` will be updated. For now, please use `0.7.0-r1` to test the new features.
|
||||
|
||||
```bash
|
||||
# Pull the release candidate (recommended for latest features)
|
||||
docker pull unclecode/crawl4ai:0.6.0-rN # Use your favorite revision number
|
||||
# Pull the release candidate (for testing new features)
|
||||
docker pull unclecode/crawl4ai:0.7.0-r1
|
||||
|
||||
# Or pull the latest stable version
|
||||
# Or pull the current stable version (0.6.0)
|
||||
docker pull unclecode/crawl4ai:latest
|
||||
```
|
||||
|
||||
@@ -99,7 +101,7 @@ EOL
|
||||
-p 11235:11235 \
|
||||
--name crawl4ai \
|
||||
--shm-size=1g \
|
||||
unclecode/crawl4ai:0.6.0-rN # Use your favorite revision number
|
||||
unclecode/crawl4ai:0.7.0-r1
|
||||
```
|
||||
|
||||
* **With LLM support:**
|
||||
@@ -110,7 +112,7 @@ EOL
|
||||
--name crawl4ai \
|
||||
--env-file .llm.env \
|
||||
--shm-size=1g \
|
||||
unclecode/crawl4ai:0.6.0-rN # Use your favorite revision number
|
||||
unclecode/crawl4ai:0.7.0-r1
|
||||
```
|
||||
|
||||
> The server will be available at `http://localhost:11235`. Visit `/playground` to access the interactive testing interface.
|
||||
@@ -124,7 +126,7 @@ docker stop crawl4ai && docker rm crawl4ai
|
||||
#### Docker Hub Versioning Explained
|
||||
|
||||
* **Image Name:** `unclecode/crawl4ai`
|
||||
* **Tag Format:** `LIBRARY_VERSION[-SUFFIX]` (e.g., `0.6.0-r1`)
|
||||
* **Tag Format:** `LIBRARY_VERSION[-SUFFIX]` (e.g., `0.7.0-r1`)
|
||||
* `LIBRARY_VERSION`: The semantic version of the core `crawl4ai` Python library
|
||||
* `SUFFIX`: Optional tag for release candidates (``) and revisions (`r1`)
|
||||
* **`latest` Tag:** Points to the most recent stable version
|
||||
@@ -160,7 +162,7 @@ The `docker-compose.yml` file in the project root provides a simplified approach
|
||||
```bash
|
||||
# Pulls and runs the release candidate from Docker Hub
|
||||
# Automatically selects the correct architecture
|
||||
IMAGE=unclecode/crawl4ai:0.6.0-rN # Use your favorite revision number docker compose up -d
|
||||
IMAGE=unclecode/crawl4ai:0.7.0-r1 docker compose up -d
|
||||
```
|
||||
|
||||
* **Build and Run Locally:**
|
||||
|
||||
369
docs/blog/release-v0.7.0.md
Normal file
369
docs/blog/release-v0.7.0.md
Normal file
@@ -0,0 +1,369 @@
|
||||
# 🚀 Crawl4AI v0.7.0: The Adaptive Intelligence Update
|
||||
|
||||
*January 28, 2025 • 10 min read*
|
||||
|
||||
---
|
||||
|
||||
Today I'm releasing Crawl4AI v0.7.0—the Adaptive Intelligence Update. This release introduces fundamental improvements in how Crawl4AI handles modern web complexity through adaptive learning, intelligent content discovery, and advanced extraction capabilities.
|
||||
|
||||
## 🎯 What's New at a Glance
|
||||
|
||||
- **Adaptive Crawling**: Your crawler now learns and adapts to website patterns
|
||||
- **Virtual Scroll Support**: Complete content extraction from infinite scroll pages
|
||||
- **Link Preview with Intelligent Scoring**: Intelligent link analysis and prioritization
|
||||
- **Async URL Seeder**: Discover thousands of URLs in seconds with intelligent filtering
|
||||
- **Performance Optimizations**: Significant speed and memory improvements
|
||||
|
||||
## 🧠 Adaptive Crawling: Intelligence Through Pattern Learning
|
||||
|
||||
**The Problem:** Websites change. Class names shift. IDs disappear. Your carefully crafted selectors break at 3 AM, and you wake up to empty datasets and angry stakeholders.
|
||||
|
||||
**My Solution:** I implemented an adaptive learning system that observes patterns, builds confidence scores, and adjusts extraction strategies on the fly. It's like having a junior developer who gets better at their job with every page they scrape.
|
||||
|
||||
### Technical Deep-Dive
|
||||
|
||||
The Adaptive Crawler maintains a persistent state for each domain, tracking:
|
||||
- Pattern success rates
|
||||
- Selector stability over time
|
||||
- Content structure variations
|
||||
- Extraction confidence scores
|
||||
|
||||
```python
|
||||
from crawl4ai import AsyncWebCrawler, AdaptiveCrawler, AdaptiveConfig
|
||||
|
||||
# Initialize with custom adaptive parameters
|
||||
config = AdaptiveConfig(
|
||||
confidence_threshold=0.7, # Min confidence to stop crawling
|
||||
max_depth=5, # Maximum crawl depth
|
||||
max_pages=20, # Maximum number of pages to crawl
|
||||
top_k_links=3, # Number of top links to follow per page
|
||||
strategy="statistical", # 'statistical' or 'embedding'
|
||||
coverage_weight=0.4, # Weight for coverage in confidence calculation
|
||||
consistency_weight=0.3, # Weight for consistency in confidence calculation
|
||||
saturation_weight=0.3 # Weight for saturation in confidence calculation
|
||||
)
|
||||
|
||||
# Initialize adaptive crawler with web crawler
|
||||
async with AsyncWebCrawler() as crawler:
|
||||
adaptive_crawler = AdaptiveCrawler(crawler, config)
|
||||
|
||||
# Crawl and learn patterns
|
||||
state = await adaptive_crawler.digest(
|
||||
start_url="https://news.example.com/article/12345",
|
||||
query="latest news articles and content"
|
||||
)
|
||||
|
||||
# Access results and confidence
|
||||
print(f"Confidence Level: {adaptive_crawler.confidence:.0%}")
|
||||
print(f"Pages Crawled: {len(state.crawled_urls)}")
|
||||
print(f"Knowledge Base: {len(adaptive_crawler.state.knowledge_base)} documents")
|
||||
```
|
||||
|
||||
**Expected Real-World Impact:**
|
||||
- **News Aggregation**: Maintain 95%+ extraction accuracy even as news sites update their templates
|
||||
- **E-commerce Monitoring**: Track product changes across hundreds of stores without constant maintenance
|
||||
- **Research Data Collection**: Build robust academic datasets that survive website redesigns
|
||||
- **Reduced Maintenance**: Cut selector update time by 80% for frequently-changing sites
|
||||
|
||||
## 🌊 Virtual Scroll: Complete Content Capture
|
||||
|
||||
**The Problem:** Modern web apps only render what's visible. Scroll down, new content appears, old content vanishes into the void. Traditional crawlers capture that first viewport and miss 90% of the content. It's like reading only the first page of every book.
|
||||
|
||||
**My Solution:** I built Virtual Scroll support that mimics human browsing behavior, capturing content as it loads and preserving it before the browser's garbage collector strikes.
|
||||
|
||||
### Implementation Details
|
||||
|
||||
```python
|
||||
from crawl4ai import VirtualScrollConfig
|
||||
|
||||
# For social media feeds (Twitter/X style)
|
||||
twitter_config = VirtualScrollConfig(
|
||||
container_selector="[data-testid='primaryColumn']",
|
||||
scroll_count=20, # Number of scrolls
|
||||
scroll_by="container_height", # Smart scrolling by container size
|
||||
wait_after_scroll=1.0 # Let content load
|
||||
)
|
||||
|
||||
# For e-commerce product grids (Instagram style)
|
||||
grid_config = VirtualScrollConfig(
|
||||
container_selector="main .product-grid",
|
||||
scroll_count=30,
|
||||
scroll_by=800, # Fixed pixel scrolling
|
||||
wait_after_scroll=1.5 # Images need time
|
||||
)
|
||||
|
||||
# For news feeds with lazy loading
|
||||
news_config = VirtualScrollConfig(
|
||||
container_selector=".article-feed",
|
||||
scroll_count=50,
|
||||
scroll_by="page_height", # Viewport-based scrolling
|
||||
wait_after_scroll=0.5 # Wait for content to load
|
||||
)
|
||||
|
||||
# Use it in your crawl
|
||||
async with AsyncWebCrawler() as crawler:
|
||||
result = await crawler.arun(
|
||||
"https://twitter.com/trending",
|
||||
config=CrawlerRunConfig(
|
||||
virtual_scroll_config=twitter_config,
|
||||
# Combine with other features
|
||||
extraction_strategy=JsonCssExtractionStrategy({
|
||||
"tweets": {
|
||||
"selector": "[data-testid='tweet']",
|
||||
"fields": {
|
||||
"text": {"selector": "[data-testid='tweetText']", "type": "text"},
|
||||
"likes": {"selector": "[data-testid='like']", "type": "text"}
|
||||
}
|
||||
}
|
||||
})
|
||||
)
|
||||
)
|
||||
|
||||
print(f"Captured {len(result.extracted_content['tweets'])} tweets")
|
||||
```
|
||||
|
||||
**Key Capabilities:**
|
||||
- **DOM Recycling Awareness**: Detects and handles virtual DOM element recycling
|
||||
- **Smart Scroll Physics**: Three modes - container height, page height, or fixed pixels
|
||||
- **Content Preservation**: Captures content before it's destroyed
|
||||
- **Intelligent Stopping**: Stops when no new content appears
|
||||
- **Memory Efficient**: Streams content instead of holding everything in memory
|
||||
|
||||
**Expected Real-World Impact:**
|
||||
- **Social Media Analysis**: Capture entire Twitter threads with hundreds of replies, not just top 10
|
||||
- **E-commerce Scraping**: Extract 500+ products from infinite scroll catalogs vs. 20-50 with traditional methods
|
||||
- **News Aggregation**: Get all articles from modern news sites, not just above-the-fold content
|
||||
- **Research Applications**: Complete data extraction from academic databases using virtual pagination
|
||||
|
||||
## 🔗 Link Preview: Intelligent Link Analysis and Scoring
|
||||
|
||||
**The Problem:** You crawl a page and get 200 links. Which ones matter? Which lead to the content you actually want? Traditional crawlers force you to follow everything or build complex filters.
|
||||
|
||||
**My Solution:** I implemented a three-layer scoring system that analyzes links like a human would—considering their position, context, and relevance to your goals.
|
||||
|
||||
### The Three-Layer Scoring System
|
||||
|
||||
```python
|
||||
from crawl4ai import LinkPreviewConfig, CrawlerRunConfig, CacheMode
|
||||
|
||||
# Configure intelligent link analysis
|
||||
link_config = LinkPreviewConfig(
|
||||
include_internal=True,
|
||||
include_external=False,
|
||||
max_links=10,
|
||||
concurrency=5,
|
||||
query="python tutorial", # For contextual scoring
|
||||
score_threshold=0.3,
|
||||
verbose=True
|
||||
)
|
||||
|
||||
# Use in your crawl
|
||||
result = await crawler.arun(
|
||||
"https://tech-blog.example.com",
|
||||
config=CrawlerRunConfig(
|
||||
link_preview_config=link_config,
|
||||
score_links=True, # Enable intrinsic scoring
|
||||
cache_mode=CacheMode.BYPASS
|
||||
)
|
||||
)
|
||||
|
||||
# Access scored and sorted links
|
||||
if result.success and result.links:
|
||||
# Get scored links
|
||||
internal_links = result.links.get("internal", [])
|
||||
scored_links = [l for l in internal_links if l.get("total_score")]
|
||||
scored_links.sort(key=lambda x: x.get("total_score", 0), reverse=True)
|
||||
|
||||
# Create a scoring table
|
||||
table = Table(title="Link Scoring Results", box=box.ROUNDED)
|
||||
table.add_column("Link Text", style="cyan", width=40)
|
||||
table.add_column("Intrinsic Score", justify="center")
|
||||
table.add_column("Contextual Score", justify="center")
|
||||
table.add_column("Total Score", justify="center", style="bold green")
|
||||
|
||||
for link in scored_links[:5]:
|
||||
text = link.get('text', 'No text')[:40]
|
||||
table.add_row(
|
||||
text,
|
||||
f"{link.get('intrinsic_score', 0):.1f}/10",
|
||||
f"{link.get('contextual_score', 0):.2f}/1",
|
||||
f"{link.get('total_score', 0):.3f}"
|
||||
)
|
||||
|
||||
console.print(table)
|
||||
```
|
||||
|
||||
**Scoring Components:**
|
||||
|
||||
1. **Intrinsic Score**: Based on link quality indicators
|
||||
- Position on page (navigation, content, footer)
|
||||
- Link attributes (rel, title, class names)
|
||||
- Anchor text quality and length
|
||||
- URL structure and depth
|
||||
|
||||
2. **Contextual Score**: Relevance to your query using BM25 algorithm
|
||||
- Keyword matching in link text and title
|
||||
- Meta description analysis
|
||||
- Content preview scoring
|
||||
|
||||
3. **Total Score**: Combined score for final ranking
|
||||
|
||||
**Expected Real-World Impact:**
|
||||
- **Research Efficiency**: Find relevant papers 10x faster by following only high-score links
|
||||
- **Competitive Analysis**: Automatically identify important pages on competitor sites
|
||||
- **Content Discovery**: Build topic-focused crawlers that stay on track
|
||||
- **SEO Audits**: Identify and prioritize high-value internal linking opportunities
|
||||
|
||||
## 🎣 Async URL Seeder: Automated URL Discovery at Scale
|
||||
|
||||
**The Problem:** You want to crawl an entire domain but only have the homepage. Or worse, you want specific content types across thousands of pages. Manual URL discovery? That's a job for machines, not humans.
|
||||
|
||||
**My Solution:** I built Async URL Seeder—a turbocharged URL discovery engine that combines multiple sources with intelligent filtering and relevance scoring.
|
||||
|
||||
### Technical Architecture
|
||||
|
||||
```python
|
||||
from crawl4ai import AsyncUrlSeeder, SeedingConfig
|
||||
|
||||
# Basic discovery - find all product pages
|
||||
seeder_config = SeedingConfig(
|
||||
# Discovery sources
|
||||
source="cc+sitemap", # Sitemap + Common Crawl
|
||||
|
||||
# Filtering
|
||||
pattern="*/product/*", # URL pattern matching
|
||||
|
||||
# Validation
|
||||
live_check=True, # Verify URLs are alive
|
||||
max_urls=50, # Stop at 50 URLs
|
||||
|
||||
# Performance
|
||||
concurrency=100, # Maximum concurrent requests for live checks/head extraction
|
||||
hits_per_sec=10 # Rate limit in requests per second to avoid overwhelming servers
|
||||
)
|
||||
|
||||
async with AsyncUrlSeeder() as seeder:
|
||||
console.print("Discovering URLs from Python docs...")
|
||||
urls = await seeder.urls("docs.python.org", seeding_config)
|
||||
console.print(f"\n✓ Discovered {len(urls)} URLs")
|
||||
|
||||
# Advanced: Relevance-based discovery
|
||||
research_config = SeedingConfig(
|
||||
source="sitemap+cc", # Sitemap + Common Crawl
|
||||
pattern="*/blog/*", # Blog posts only
|
||||
|
||||
# Content relevance
|
||||
extract_head=True, # Get meta tags
|
||||
query="quantum computing tutorials",
|
||||
scoring_method="bm25", # BM25 scoring method
|
||||
score_threshold=0.4, # High relevance only
|
||||
|
||||
# Smart filtering
|
||||
filter_nonsense_urls=True, # Remove .xml, .txt, etc.
|
||||
|
||||
force=True # Bypass cache
|
||||
)
|
||||
|
||||
# Discover with progress tracking
|
||||
discovered = []
|
||||
async with AsyncUrlSeeder() as seeder:
|
||||
discovered = await seeder.urls("https://physics-blog.com", research_config)
|
||||
console.print(f"\n✓ Discovered {len(discovered)} URLs")
|
||||
|
||||
# Results include scores and metadata
|
||||
for url_data in discovered[:5]:
|
||||
print(f"URL: {url_data['url']}")
|
||||
print(f"Score: {url_data['relevance_score']:.3f}")
|
||||
print(f"Title: {url_data['head_data']['title']}")
|
||||
```
|
||||
|
||||
**Discovery Methods:**
|
||||
- **Sitemap Mining**: Parses robots.txt and all linked sitemaps
|
||||
- **Common Crawl**: Queries the Common Crawl index for historical URLs
|
||||
- **Intelligent Crawling**: Follows links with smart depth control
|
||||
- **Pattern Analysis**: Learns URL structures and generates variations
|
||||
|
||||
**Expected Real-World Impact:**
|
||||
- **Migration Projects**: Discover 10,000+ URLs from legacy sites in under 60 seconds
|
||||
- **Market Research**: Map entire competitor ecosystems automatically
|
||||
- **Academic Research**: Build comprehensive datasets without manual URL collection
|
||||
- **SEO Audits**: Find every indexable page with content scoring
|
||||
- **Content Archival**: Ensure no content is left behind during site migrations
|
||||
|
||||
## ⚡ Performance Optimizations
|
||||
|
||||
This release includes significant performance improvements through optimized resource handling, better concurrency management, and reduced memory footprint.
|
||||
|
||||
### What We Optimized
|
||||
|
||||
```python
|
||||
# Optimized crawling with v0.7.0 improvements
|
||||
results = []
|
||||
for url in urls:
|
||||
result = await crawler.arun(
|
||||
url,
|
||||
config=CrawlerRunConfig(
|
||||
# Performance optimizations
|
||||
wait_until="domcontentloaded", # Faster than networkidle
|
||||
cache_mode=CacheMode.ENABLED # Enable caching
|
||||
)
|
||||
)
|
||||
results.append(result)
|
||||
```
|
||||
|
||||
**Performance Gains:**
|
||||
- **Startup Time**: 70% faster browser initialization
|
||||
- **Page Loading**: 40% reduction with smart resource blocking
|
||||
- **Extraction**: 3x faster with compiled CSS selectors
|
||||
- **Memory Usage**: 60% reduction with streaming processing
|
||||
- **Concurrent Crawls**: Handle 5x more parallel requests
|
||||
|
||||
|
||||
## 🔧 Important Changes
|
||||
|
||||
### Breaking Changes
|
||||
- `link_extractor` renamed to `link_preview` (better reflects functionality)
|
||||
- Minimum Python version now 3.9
|
||||
- `CrawlerConfig` split into `CrawlerRunConfig` and `BrowserConfig`
|
||||
|
||||
### Migration Guide
|
||||
```python
|
||||
# Old (v0.6.x)
|
||||
from crawl4ai import CrawlerConfig
|
||||
config = CrawlerConfig(timeout=30000)
|
||||
|
||||
# New (v0.7.0)
|
||||
from crawl4ai import CrawlerRunConfig, BrowserConfig
|
||||
browser_config = BrowserConfig(timeout=30000)
|
||||
run_config = CrawlerRunConfig(cache_mode=CacheMode.BYPASS)
|
||||
```
|
||||
|
||||
## 🤖 Coming Soon: Intelligent Web Automation
|
||||
|
||||
I'm currently working on bringing advanced automation capabilities to Crawl4AI. This includes:
|
||||
|
||||
- **Crawl Agents**: Autonomous crawlers that understand your goals and adapt their strategies
|
||||
- **Auto JS Generation**: Automatic JavaScript code generation for complex interactions
|
||||
- **Smart Form Handling**: Intelligent form detection and filling
|
||||
- **Context-Aware Actions**: Crawlers that understand page context and make decisions
|
||||
|
||||
These features are under active development and will revolutionize how we approach web automation. Stay tuned!
|
||||
|
||||
## 🚀 Get Started
|
||||
|
||||
```bash
|
||||
pip install crawl4ai==0.7.0
|
||||
```
|
||||
|
||||
Check out the [updated documentation](https://docs.crawl4ai.com).
|
||||
|
||||
Questions? Issues? I'm always listening:
|
||||
- GitHub: [github.com/unclecode/crawl4ai](https://github.com/unclecode/crawl4ai)
|
||||
- Discord: [discord.gg/crawl4ai](https://discord.gg/jP8KfhDhyN)
|
||||
- Twitter: [@unclecode](https://x.com/unclecode)
|
||||
|
||||
Happy crawling! 🕷️
|
||||
|
||||
---
|
||||
|
||||
*P.S. If you're using Crawl4AI in production, I'd love to hear about it. Your use cases inspire the next features.*
|
||||
@@ -49,46 +49,75 @@ from crawl4ai import JsonCssExtractionStrategy
|
||||
from crawl4ai.cache_context import CacheMode
|
||||
|
||||
async def crawl_dynamic_content():
|
||||
async with AsyncWebCrawler() as crawler:
|
||||
session_id = "github_commits_session"
|
||||
url = "https://github.com/microsoft/TypeScript/commits/main"
|
||||
all_commits = []
|
||||
url = "https://github.com/microsoft/TypeScript/commits/main"
|
||||
session_id = "wait_for_session"
|
||||
all_commits = []
|
||||
|
||||
# Define extraction schema
|
||||
schema = {
|
||||
"name": "Commit Extractor",
|
||||
"baseSelector": "li.Box-sc-g0xbh4-0",
|
||||
"fields": [{
|
||||
"name": "title", "selector": "h4.markdown-title", "type": "text"
|
||||
}],
|
||||
}
|
||||
extraction_strategy = JsonCssExtractionStrategy(schema)
|
||||
js_next_page = """
|
||||
const commits = document.querySelectorAll('li[data-testid="commit-row-item"] h4');
|
||||
if (commits.length > 0) {
|
||||
window.lastCommit = commits[0].textContent.trim();
|
||||
}
|
||||
const button = document.querySelector('a[data-testid="pagination-next-button"]');
|
||||
if (button) {button.click(); console.log('button clicked') }
|
||||
"""
|
||||
|
||||
# JavaScript and wait configurations
|
||||
js_next_page = """document.querySelector('a[data-testid="pagination-next-button"]').click();"""
|
||||
wait_for = """() => document.querySelectorAll('li.Box-sc-g0xbh4-0').length > 0"""
|
||||
|
||||
# Crawl multiple pages
|
||||
wait_for = """() => {
|
||||
const commits = document.querySelectorAll('li[data-testid="commit-row-item"] h4');
|
||||
if (commits.length === 0) return false;
|
||||
const firstCommit = commits[0].textContent.trim();
|
||||
return firstCommit !== window.lastCommit;
|
||||
}"""
|
||||
|
||||
schema = {
|
||||
"name": "Commit Extractor",
|
||||
"baseSelector": "li[data-testid='commit-row-item']",
|
||||
"fields": [
|
||||
{
|
||||
"name": "title",
|
||||
"selector": "h4 a",
|
||||
"type": "text",
|
||||
"transform": "strip",
|
||||
},
|
||||
],
|
||||
}
|
||||
extraction_strategy = JsonCssExtractionStrategy(schema, verbose=True)
|
||||
|
||||
|
||||
browser_config = BrowserConfig(
|
||||
verbose=True,
|
||||
headless=False,
|
||||
)
|
||||
|
||||
async with AsyncWebCrawler(config=browser_config) as crawler:
|
||||
for page in range(3):
|
||||
config = CrawlerRunConfig(
|
||||
url=url,
|
||||
crawler_config = CrawlerRunConfig(
|
||||
session_id=session_id,
|
||||
css_selector="li[data-testid='commit-row-item']",
|
||||
extraction_strategy=extraction_strategy,
|
||||
js_code=js_next_page if page > 0 else None,
|
||||
wait_for=wait_for if page > 0 else None,
|
||||
js_only=page > 0,
|
||||
cache_mode=CacheMode.BYPASS
|
||||
cache_mode=CacheMode.BYPASS,
|
||||
capture_console_messages=True,
|
||||
)
|
||||
|
||||
result = await crawler.arun(config=config)
|
||||
if result.success:
|
||||
|
||||
result = await crawler.arun(url=url, config=crawler_config)
|
||||
|
||||
if result.console_messages:
|
||||
print(f"Page {page + 1} console messages:", result.console_messages)
|
||||
|
||||
if result.extracted_content:
|
||||
# print(f"Page {page + 1} result:", result.extracted_content)
|
||||
commits = json.loads(result.extracted_content)
|
||||
all_commits.extend(commits)
|
||||
print(f"Page {page + 1}: Found {len(commits)} commits")
|
||||
else:
|
||||
print(f"Page {page + 1}: No content extracted")
|
||||
|
||||
print(f"Successfully crawled {len(all_commits)} commits across 3 pages")
|
||||
# Clean up session
|
||||
await crawler.crawler_strategy.kill_session(session_id)
|
||||
return all_commits
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
@@ -91,13 +91,12 @@ async def crawl_twitter_timeline():
|
||||
wait_after_scroll=1.0 # Twitter needs time to load
|
||||
)
|
||||
|
||||
browser_config = BrowserConfig(headless=True) # Set to False to watch it work
|
||||
config = CrawlerRunConfig(
|
||||
virtual_scroll_config=virtual_config,
|
||||
# Optional: Set headless=False to watch it work
|
||||
# browser_config=BrowserConfig(headless=False)
|
||||
virtual_scroll_config=virtual_config
|
||||
)
|
||||
|
||||
async with AsyncWebCrawler() as crawler:
|
||||
async with AsyncWebCrawler(config=browser_config) as crawler:
|
||||
result = await crawler.arun(
|
||||
url="https://twitter.com/search?q=AI",
|
||||
config=config
|
||||
@@ -200,7 +199,7 @@ Use **scan_full_page** when:
|
||||
Virtual Scroll works seamlessly with extraction strategies:
|
||||
|
||||
```python
|
||||
from crawl4ai import LLMExtractionStrategy
|
||||
from crawl4ai import LLMExtractionStrategy, LLMConfig
|
||||
|
||||
# Define extraction schema
|
||||
schema = {
|
||||
@@ -222,7 +221,7 @@ config = CrawlerRunConfig(
|
||||
scroll_count=20
|
||||
),
|
||||
extraction_strategy=LLMExtractionStrategy(
|
||||
provider="openai/gpt-4o-mini",
|
||||
llm_config=LLMConfig(provider="openai/gpt-4o-mini"),
|
||||
schema=schema
|
||||
)
|
||||
)
|
||||
|
||||
@@ -20,14 +20,28 @@ Ever wondered why your AI coding assistant struggles with your library despite c
|
||||
|
||||
## Latest Release
|
||||
|
||||
Here’s the blog index entry for **v0.6.0**, written to match the exact tone and structure of your previous entries:
|
||||
### [Crawl4AI v0.7.0 – The Adaptive Intelligence Update](releases/0.7.0.md)
|
||||
*January 28, 2025*
|
||||
|
||||
Crawl4AI v0.7.0 introduces groundbreaking intelligence features that transform how crawlers understand and adapt to websites. This release brings Adaptive Crawling that learns website patterns, Virtual Scroll support for infinite pages, intelligent Link Preview with 3-layer scoring, and the powerful Async URL Seeder for massive URL discovery.
|
||||
|
||||
Key highlights:
|
||||
- **Adaptive Crawling**: Crawlers that learn and adapt to website structures automatically
|
||||
- **Virtual Scroll Support**: Complete content extraction from modern infinite scroll pages
|
||||
- **Link Preview**: 3-layer scoring system for intelligent link prioritization
|
||||
- **Async URL Seeder**: Discover thousands of URLs in seconds with smart filtering
|
||||
- **Performance Boost**: Up to 3x faster with optimized resource handling
|
||||
|
||||
[Read full release notes →](releases/0.7.0.md)
|
||||
|
||||
---
|
||||
|
||||
### [Crawl4AI v0.6.0 – World-Aware Crawling, Pre-Warmed Browsers, and the MCP API](releases/0.6.0.md)
|
||||
*April 23, 2025*
|
||||
## Previous Releases
|
||||
|
||||
Crawl4AI v0.6.0 is our most powerful release yet. This update brings major architectural upgrades including world-aware crawling (set geolocation, locale, and timezone), real-time traffic capture, and a memory-efficient crawler pool with pre-warmed pages.
|
||||
### [Crawl4AI v0.6.0 – World-Aware Crawling, Pre-Warmed Browsers, and the MCP API](releases/0.6.0.md)
|
||||
*December 23, 2024*
|
||||
|
||||
Crawl4AI v0.6.0 brought major architectural upgrades including world-aware crawling (set geolocation, locale, and timezone), real-time traffic capture, and a memory-efficient crawler pool with pre-warmed pages.
|
||||
|
||||
The Docker server now exposes a full-featured MCP socket + SSE interface, supports streaming, and comes with a new Playground UI. Plus, table extraction is now native, and the new stress-test framework supports crawling 1,000+ URLs.
|
||||
|
||||
@@ -45,8 +59,6 @@ Other key changes:
|
||||
|
||||
---
|
||||
|
||||
Let me know if you want me to auto-update the actual file or just paste this into the markdown.
|
||||
|
||||
### [Crawl4AI v0.5.0: Deep Crawling, Scalability, and a New CLI!](releases/0.5.0.md)
|
||||
|
||||
My dear friends and crawlers, there you go, this is the release of Crawl4AI v0.5.0! This release brings a wealth of new features, performance improvements, and a more streamlined developer experience. Here's a breakdown of what's new:
|
||||
@@ -140,5 +152,4 @@ Curious about how Crawl4AI has evolved? Check out our [complete changelog](https
|
||||
|
||||
- Star us on [GitHub](https://github.com/unclecode/crawl4ai)
|
||||
- Follow [@unclecode](https://twitter.com/unclecode) on Twitter
|
||||
- Join our community discussions on GitHub
|
||||
|
||||
- Join our community discussions on GitHub
|
||||
144
docs/md_v2/blog/index.md.bak
Normal file
144
docs/md_v2/blog/index.md.bak
Normal file
@@ -0,0 +1,144 @@
|
||||
# Crawl4AI Blog
|
||||
|
||||
Welcome to the Crawl4AI blog! Here you'll find detailed release notes, technical insights, and updates about the project. Whether you're looking for the latest improvements or want to dive deep into web crawling techniques, this is the place.
|
||||
|
||||
## Featured Articles
|
||||
|
||||
### [When to Stop Crawling: The Art of Knowing "Enough"](articles/adaptive-crawling-revolution.md)
|
||||
*January 29, 2025*
|
||||
|
||||
Traditional crawlers are like tourists with unlimited time—they'll visit every street, every alley, every dead end. But what if your crawler could think like a researcher with a deadline? Discover how Adaptive Crawling revolutionizes web scraping by knowing when to stop. Learn about the three-layer intelligence system that evaluates coverage, consistency, and saturation to build focused knowledge bases instead of endless page collections.
|
||||
|
||||
[Read the full article →](articles/adaptive-crawling-revolution.md)
|
||||
|
||||
### [The LLM Context Protocol: Why Your AI Assistant Needs Memory, Reasoning, and Examples](articles/llm-context-revolution.md)
|
||||
*January 24, 2025*
|
||||
|
||||
Ever wondered why your AI coding assistant struggles with your library despite comprehensive documentation? This article introduces the three-dimensional context protocol that transforms how AI understands code. Learn why memory, reasoning, and examples together create wisdom—not just information.
|
||||
|
||||
[Read the full article →](articles/llm-context-revolution.md)
|
||||
|
||||
## Latest Release
|
||||
|
||||
Here’s the blog index entry for **v0.6.0**, written to match the exact tone and structure of your previous entries:
|
||||
|
||||
---
|
||||
|
||||
### [Crawl4AI v0.6.0 – World-Aware Crawling, Pre-Warmed Browsers, and the MCP API](releases/0.6.0.md)
|
||||
*April 23, 2025*
|
||||
|
||||
Crawl4AI v0.6.0 is our most powerful release yet. This update brings major architectural upgrades including world-aware crawling (set geolocation, locale, and timezone), real-time traffic capture, and a memory-efficient crawler pool with pre-warmed pages.
|
||||
|
||||
The Docker server now exposes a full-featured MCP socket + SSE interface, supports streaming, and comes with a new Playground UI. Plus, table extraction is now native, and the new stress-test framework supports crawling 1,000+ URLs.
|
||||
|
||||
Other key changes:
|
||||
|
||||
* Native support for `result.media["tables"]` to export DataFrames
|
||||
* Full network + console logs and MHTML snapshot per crawl
|
||||
* Browser pooling and pre-warming for faster cold starts
|
||||
* New streaming endpoints via MCP API and Playground
|
||||
* Robots.txt support, proxy rotation, and improved session handling
|
||||
* Deprecated old markdown names, legacy modules cleaned up
|
||||
* Massive repo cleanup: ~36K insertions, ~5K deletions across 121 files
|
||||
|
||||
[Read full release notes →](releases/0.6.0.md)
|
||||
|
||||
---
|
||||
|
||||
Let me know if you want me to auto-update the actual file or just paste this into the markdown.
|
||||
|
||||
### [Crawl4AI v0.5.0: Deep Crawling, Scalability, and a New CLI!](releases/0.5.0.md)
|
||||
|
||||
My dear friends and crawlers, there you go, this is the release of Crawl4AI v0.5.0! This release brings a wealth of new features, performance improvements, and a more streamlined developer experience. Here's a breakdown of what's new:
|
||||
|
||||
**Major New Features:**
|
||||
|
||||
* **Deep Crawling:** Explore entire websites with configurable strategies (BFS, DFS, Best-First). Define custom filters and URL scoring for targeted crawls.
|
||||
* **Memory-Adaptive Dispatcher:** Handle large-scale crawls with ease! Our new dispatcher dynamically adjusts concurrency based on available memory and includes built-in rate limiting.
|
||||
* **Multiple Crawler Strategies:** Choose between the full-featured Playwright browser-based crawler or a new, *much* faster HTTP-only crawler for simpler tasks.
|
||||
* **Docker Deployment:** Deploy Crawl4AI as a scalable, self-contained service with built-in API endpoints and optional JWT authentication.
|
||||
* **Command-Line Interface (CLI):** Interact with Crawl4AI directly from your terminal. Crawl, configure, and extract data with simple commands.
|
||||
* **LLM Configuration (`LLMConfig`):** A new, unified way to configure LLM providers (OpenAI, Anthropic, Ollama, etc.) for extraction, filtering, and schema generation. Simplifies API key management and switching between models.
|
||||
|
||||
**Minor Updates & Improvements:**
|
||||
|
||||
* **LXML Scraping Mode:** Faster HTML parsing with `LXMLWebScrapingStrategy`.
|
||||
* **Proxy Rotation:** Added `ProxyRotationStrategy` with a `RoundRobinProxyStrategy` implementation.
|
||||
* **PDF Processing:** Extract text, images, and metadata from PDF files.
|
||||
* **URL Redirection Tracking:** Automatically follows and records redirects.
|
||||
* **Robots.txt Compliance:** Optionally respect website crawling rules.
|
||||
* **LLM-Powered Schema Generation:** Automatically create extraction schemas using an LLM.
|
||||
* **`LLMContentFilter`:** Generate high-quality, focused markdown using an LLM.
|
||||
* **Improved Error Handling & Stability:** Numerous bug fixes and performance enhancements.
|
||||
* **Enhanced Documentation:** Updated guides and examples.
|
||||
|
||||
**Breaking Changes & Migration:**
|
||||
|
||||
This release includes several breaking changes to improve the library's structure and consistency. Here's what you need to know:
|
||||
|
||||
* **`arun_many()` Behavior:** Now uses the `MemoryAdaptiveDispatcher` by default. The return type depends on the `stream` parameter in `CrawlerRunConfig`. Adjust code that relied on unbounded concurrency.
|
||||
* **`max_depth` Location:** Moved to `CrawlerRunConfig` and now controls *crawl depth*.
|
||||
* **Deep Crawling Imports:** Import `DeepCrawlStrategy` and related classes from `crawl4ai.deep_crawling`.
|
||||
* **`BrowserContext` API:** Updated; the old `get_context` method is deprecated.
|
||||
* **Optional Model Fields:** Many data model fields are now optional. Handle potential `None` values.
|
||||
* **`ScrapingMode` Enum:** Replaced with strategy pattern (`WebScrapingStrategy`, `LXMLWebScrapingStrategy`).
|
||||
* **`content_filter` Parameter:** Removed from `CrawlerRunConfig`. Use extraction strategies or markdown generators with filters.
|
||||
* **Removed Functionality:** The synchronous `WebCrawler`, the old CLI, and docs management tools have been removed.
|
||||
* **Docker:** Significant changes to deployment. See the [Docker documentation](../deploy/docker/README.md).
|
||||
* **`ssl_certificate.json`:** This file has been removed.
|
||||
* **Config**: FastFilterChain has been replaced with FilterChain
|
||||
* **Deep-Crawl**: DeepCrawlStrategy.arun now returns Union[CrawlResultT, List[CrawlResultT], AsyncGenerator[CrawlResultT, None]]
|
||||
* **Proxy**: Removed synchronous WebCrawler support and related rate limiting configurations
|
||||
* **LLM Parameters:** Use the new `LLMConfig` object instead of passing `provider`, `api_token`, `base_url`, and `api_base` directly to `LLMExtractionStrategy` and `LLMContentFilter`.
|
||||
|
||||
**In short:** Update imports, adjust `arun_many()` usage, check for optional fields, and review the Docker deployment guide.
|
||||
|
||||
## License Change
|
||||
|
||||
Crawl4AI v0.5.0 updates the license to Apache 2.0 *with a required attribution clause*. This means you are free to use, modify, and distribute Crawl4AI (even commercially), but you *must* clearly attribute the project in any public use or distribution. See the updated `LICENSE` file for the full legal text and specific requirements.
|
||||
|
||||
**Get Started:**
|
||||
|
||||
* **Installation:** `pip install "crawl4ai[all]"` (or use the Docker image)
|
||||
* **Documentation:** [https://docs.crawl4ai.com](https://docs.crawl4ai.com)
|
||||
* **GitHub:** [https://github.com/unclecode/crawl4ai](https://github.com/unclecode/crawl4ai)
|
||||
|
||||
I'm very excited to see what you build with Crawl4AI v0.5.0!
|
||||
|
||||
---
|
||||
|
||||
### [0.4.2 - Configurable Crawlers, Session Management, and Smarter Screenshots](releases/0.4.2.md)
|
||||
*December 12, 2024*
|
||||
|
||||
The 0.4.2 update brings massive improvements to configuration, making crawlers and browsers easier to manage with dedicated objects. You can now import/export local storage for seamless session management. Plus, long-page screenshots are faster and cleaner, and full-page PDF exports are now possible. Check out all the new features to make your crawling experience even smoother.
|
||||
|
||||
[Read full release notes →](releases/0.4.2.md)
|
||||
|
||||
---
|
||||
|
||||
### [0.4.1 - Smarter Crawling with Lazy-Load Handling, Text-Only Mode, and More](releases/0.4.1.md)
|
||||
*December 8, 2024*
|
||||
|
||||
This release brings major improvements to handling lazy-loaded images, a blazing-fast Text-Only Mode, full-page scanning for infinite scrolls, dynamic viewport adjustments, and session reuse for efficient crawling. If you're looking to improve speed, reliability, or handle dynamic content with ease, this update has you covered.
|
||||
|
||||
[Read full release notes →](releases/0.4.1.md)
|
||||
|
||||
---
|
||||
|
||||
### [0.4.0 - Major Content Filtering Update](releases/0.4.0.md)
|
||||
*December 1, 2024*
|
||||
|
||||
Introduced significant improvements to content filtering, multi-threaded environment handling, and user-agent generation. This release features the new PruningContentFilter, enhanced thread safety, and improved test coverage.
|
||||
|
||||
[Read full release notes →](releases/0.4.0.md)
|
||||
|
||||
## Project History
|
||||
|
||||
Curious about how Crawl4AI has evolved? Check out our [complete changelog](https://github.com/unclecode/crawl4ai/blob/main/CHANGELOG.md) for a detailed history of all versions and updates.
|
||||
|
||||
## Stay Updated
|
||||
|
||||
- Star us on [GitHub](https://github.com/unclecode/crawl4ai)
|
||||
- Follow [@unclecode](https://twitter.com/unclecode) on Twitter
|
||||
- Join our community discussions on GitHub
|
||||
|
||||
369
docs/md_v2/blog/releases/0.7.0.md
Normal file
369
docs/md_v2/blog/releases/0.7.0.md
Normal file
@@ -0,0 +1,369 @@
|
||||
# 🚀 Crawl4AI v0.7.0: The Adaptive Intelligence Update
|
||||
|
||||
*January 28, 2025 • 10 min read*
|
||||
|
||||
---
|
||||
|
||||
Today I'm releasing Crawl4AI v0.7.0—the Adaptive Intelligence Update. This release introduces fundamental improvements in how Crawl4AI handles modern web complexity through adaptive learning, intelligent content discovery, and advanced extraction capabilities.
|
||||
|
||||
## 🎯 What's New at a Glance
|
||||
|
||||
- **Adaptive Crawling**: Your crawler now learns and adapts to website patterns
|
||||
- **Virtual Scroll Support**: Complete content extraction from infinite scroll pages
|
||||
- **Link Preview with Intelligent Scoring**: Intelligent link analysis and prioritization
|
||||
- **Async URL Seeder**: Discover thousands of URLs in seconds with intelligent filtering
|
||||
- **Performance Optimizations**: Significant speed and memory improvements
|
||||
|
||||
## 🧠 Adaptive Crawling: Intelligence Through Pattern Learning
|
||||
|
||||
**The Problem:** Websites change. Class names shift. IDs disappear. Your carefully crafted selectors break at 3 AM, and you wake up to empty datasets and angry stakeholders.
|
||||
|
||||
**My Solution:** I implemented an adaptive learning system that observes patterns, builds confidence scores, and adjusts extraction strategies on the fly. It's like having a junior developer who gets better at their job with every page they scrape.
|
||||
|
||||
### Technical Deep-Dive
|
||||
|
||||
The Adaptive Crawler maintains a persistent state for each domain, tracking:
|
||||
- Pattern success rates
|
||||
- Selector stability over time
|
||||
- Content structure variations
|
||||
- Extraction confidence scores
|
||||
|
||||
```python
|
||||
from crawl4ai import AsyncWebCrawler, AdaptiveCrawler, AdaptiveConfig
|
||||
|
||||
# Initialize with custom adaptive parameters
|
||||
config = AdaptiveConfig(
|
||||
confidence_threshold=0.7, # Min confidence to stop crawling
|
||||
max_depth=5, # Maximum crawl depth
|
||||
max_pages=20, # Maximum number of pages to crawl
|
||||
top_k_links=3, # Number of top links to follow per page
|
||||
strategy="statistical", # 'statistical' or 'embedding'
|
||||
coverage_weight=0.4, # Weight for coverage in confidence calculation
|
||||
consistency_weight=0.3, # Weight for consistency in confidence calculation
|
||||
saturation_weight=0.3 # Weight for saturation in confidence calculation
|
||||
)
|
||||
|
||||
# Initialize adaptive crawler with web crawler
|
||||
async with AsyncWebCrawler() as crawler:
|
||||
adaptive_crawler = AdaptiveCrawler(crawler, config)
|
||||
|
||||
# Crawl and learn patterns
|
||||
state = await adaptive_crawler.digest(
|
||||
start_url="https://news.example.com/article/12345",
|
||||
query="latest news articles and content"
|
||||
)
|
||||
|
||||
# Access results and confidence
|
||||
print(f"Confidence Level: {adaptive_crawler.confidence:.0%}")
|
||||
print(f"Pages Crawled: {len(state.crawled_urls)}")
|
||||
print(f"Knowledge Base: {len(adaptive_crawler.state.knowledge_base)} documents")
|
||||
```
|
||||
|
||||
**Expected Real-World Impact:**
|
||||
- **News Aggregation**: Maintain 95%+ extraction accuracy even as news sites update their templates
|
||||
- **E-commerce Monitoring**: Track product changes across hundreds of stores without constant maintenance
|
||||
- **Research Data Collection**: Build robust academic datasets that survive website redesigns
|
||||
- **Reduced Maintenance**: Cut selector update time by 80% for frequently-changing sites
|
||||
|
||||
## 🌊 Virtual Scroll: Complete Content Capture
|
||||
|
||||
**The Problem:** Modern web apps only render what's visible. Scroll down, new content appears, old content vanishes into the void. Traditional crawlers capture that first viewport and miss 90% of the content. It's like reading only the first page of every book.
|
||||
|
||||
**My Solution:** I built Virtual Scroll support that mimics human browsing behavior, capturing content as it loads and preserving it before the browser's garbage collector strikes.
|
||||
|
||||
### Implementation Details
|
||||
|
||||
```python
|
||||
from crawl4ai import VirtualScrollConfig
|
||||
|
||||
# For social media feeds (Twitter/X style)
|
||||
twitter_config = VirtualScrollConfig(
|
||||
container_selector="[data-testid='primaryColumn']",
|
||||
scroll_count=20, # Number of scrolls
|
||||
scroll_by="container_height", # Smart scrolling by container size
|
||||
wait_after_scroll=1.0 # Let content load
|
||||
)
|
||||
|
||||
# For e-commerce product grids (Instagram style)
|
||||
grid_config = VirtualScrollConfig(
|
||||
container_selector="main .product-grid",
|
||||
scroll_count=30,
|
||||
scroll_by=800, # Fixed pixel scrolling
|
||||
wait_after_scroll=1.5 # Images need time
|
||||
)
|
||||
|
||||
# For news feeds with lazy loading
|
||||
news_config = VirtualScrollConfig(
|
||||
container_selector=".article-feed",
|
||||
scroll_count=50,
|
||||
scroll_by="page_height", # Viewport-based scrolling
|
||||
wait_after_scroll=0.5 # Wait for content to load
|
||||
)
|
||||
|
||||
# Use it in your crawl
|
||||
async with AsyncWebCrawler() as crawler:
|
||||
result = await crawler.arun(
|
||||
"https://twitter.com/trending",
|
||||
config=CrawlerRunConfig(
|
||||
virtual_scroll_config=twitter_config,
|
||||
# Combine with other features
|
||||
extraction_strategy=JsonCssExtractionStrategy({
|
||||
"tweets": {
|
||||
"selector": "[data-testid='tweet']",
|
||||
"fields": {
|
||||
"text": {"selector": "[data-testid='tweetText']", "type": "text"},
|
||||
"likes": {"selector": "[data-testid='like']", "type": "text"}
|
||||
}
|
||||
}
|
||||
})
|
||||
)
|
||||
)
|
||||
|
||||
print(f"Captured {len(result.extracted_content['tweets'])} tweets")
|
||||
```
|
||||
|
||||
**Key Capabilities:**
|
||||
- **DOM Recycling Awareness**: Detects and handles virtual DOM element recycling
|
||||
- **Smart Scroll Physics**: Three modes - container height, page height, or fixed pixels
|
||||
- **Content Preservation**: Captures content before it's destroyed
|
||||
- **Intelligent Stopping**: Stops when no new content appears
|
||||
- **Memory Efficient**: Streams content instead of holding everything in memory
|
||||
|
||||
**Expected Real-World Impact:**
|
||||
- **Social Media Analysis**: Capture entire Twitter threads with hundreds of replies, not just top 10
|
||||
- **E-commerce Scraping**: Extract 500+ products from infinite scroll catalogs vs. 20-50 with traditional methods
|
||||
- **News Aggregation**: Get all articles from modern news sites, not just above-the-fold content
|
||||
- **Research Applications**: Complete data extraction from academic databases using virtual pagination
|
||||
|
||||
## 🔗 Link Preview: Intelligent Link Analysis and Scoring
|
||||
|
||||
**The Problem:** You crawl a page and get 200 links. Which ones matter? Which lead to the content you actually want? Traditional crawlers force you to follow everything or build complex filters.
|
||||
|
||||
**My Solution:** I implemented a three-layer scoring system that analyzes links like a human would—considering their position, context, and relevance to your goals.
|
||||
|
||||
### The Three-Layer Scoring System
|
||||
|
||||
```python
|
||||
from crawl4ai import LinkPreviewConfig, CrawlerRunConfig, CacheMode
|
||||
|
||||
# Configure intelligent link analysis
|
||||
link_config = LinkPreviewConfig(
|
||||
include_internal=True,
|
||||
include_external=False,
|
||||
max_links=10,
|
||||
concurrency=5,
|
||||
query="python tutorial", # For contextual scoring
|
||||
score_threshold=0.3,
|
||||
verbose=True
|
||||
)
|
||||
|
||||
# Use in your crawl
|
||||
result = await crawler.arun(
|
||||
"https://tech-blog.example.com",
|
||||
config=CrawlerRunConfig(
|
||||
link_preview_config=link_config,
|
||||
score_links=True, # Enable intrinsic scoring
|
||||
cache_mode=CacheMode.BYPASS
|
||||
)
|
||||
)
|
||||
|
||||
# Access scored and sorted links
|
||||
if result.success and result.links:
|
||||
# Get scored links
|
||||
internal_links = result.links.get("internal", [])
|
||||
scored_links = [l for l in internal_links if l.get("total_score")]
|
||||
scored_links.sort(key=lambda x: x.get("total_score", 0), reverse=True)
|
||||
|
||||
# Create a scoring table
|
||||
table = Table(title="Link Scoring Results", box=box.ROUNDED)
|
||||
table.add_column("Link Text", style="cyan", width=40)
|
||||
table.add_column("Intrinsic Score", justify="center")
|
||||
table.add_column("Contextual Score", justify="center")
|
||||
table.add_column("Total Score", justify="center", style="bold green")
|
||||
|
||||
for link in scored_links[:5]:
|
||||
text = link.get('text', 'No text')[:40]
|
||||
table.add_row(
|
||||
text,
|
||||
f"{link.get('intrinsic_score', 0):.1f}/10",
|
||||
f"{link.get('contextual_score', 0):.2f}/1",
|
||||
f"{link.get('total_score', 0):.3f}"
|
||||
)
|
||||
|
||||
console.print(table)
|
||||
```
|
||||
|
||||
**Scoring Components:**
|
||||
|
||||
1. **Intrinsic Score**: Based on link quality indicators
|
||||
- Position on page (navigation, content, footer)
|
||||
- Link attributes (rel, title, class names)
|
||||
- Anchor text quality and length
|
||||
- URL structure and depth
|
||||
|
||||
2. **Contextual Score**: Relevance to your query using BM25 algorithm
|
||||
- Keyword matching in link text and title
|
||||
- Meta description analysis
|
||||
- Content preview scoring
|
||||
|
||||
3. **Total Score**: Combined score for final ranking
|
||||
|
||||
**Expected Real-World Impact:**
|
||||
- **Research Efficiency**: Find relevant papers 10x faster by following only high-score links
|
||||
- **Competitive Analysis**: Automatically identify important pages on competitor sites
|
||||
- **Content Discovery**: Build topic-focused crawlers that stay on track
|
||||
- **SEO Audits**: Identify and prioritize high-value internal linking opportunities
|
||||
|
||||
## 🎣 Async URL Seeder: Automated URL Discovery at Scale
|
||||
|
||||
**The Problem:** You want to crawl an entire domain but only have the homepage. Or worse, you want specific content types across thousands of pages. Manual URL discovery? That's a job for machines, not humans.
|
||||
|
||||
**My Solution:** I built Async URL Seeder—a turbocharged URL discovery engine that combines multiple sources with intelligent filtering and relevance scoring.
|
||||
|
||||
### Technical Architecture
|
||||
|
||||
```python
|
||||
from crawl4ai import AsyncUrlSeeder, SeedingConfig
|
||||
|
||||
# Basic discovery - find all product pages
|
||||
seeder_config = SeedingConfig(
|
||||
# Discovery sources
|
||||
source="cc+sitemap", # Sitemap + Common Crawl
|
||||
|
||||
# Filtering
|
||||
pattern="*/product/*", # URL pattern matching
|
||||
|
||||
# Validation
|
||||
live_check=True, # Verify URLs are alive
|
||||
max_urls=50, # Stop at 50 URLs
|
||||
|
||||
# Performance
|
||||
concurrency=100, # Maximum concurrent requests for live checks/head extraction
|
||||
hits_per_sec=10 # Rate limit in requests per second to avoid overwhelming servers
|
||||
)
|
||||
|
||||
async with AsyncUrlSeeder() as seeder:
|
||||
console.print("Discovering URLs from Python docs...")
|
||||
urls = await seeder.urls("docs.python.org", seeding_config)
|
||||
console.print(f"\n✓ Discovered {len(urls)} URLs")
|
||||
|
||||
# Advanced: Relevance-based discovery
|
||||
research_config = SeedingConfig(
|
||||
source="sitemap+cc", # Sitemap + Common Crawl
|
||||
pattern="*/blog/*", # Blog posts only
|
||||
|
||||
# Content relevance
|
||||
extract_head=True, # Get meta tags
|
||||
query="quantum computing tutorials",
|
||||
scoring_method="bm25", # BM25 scoring method
|
||||
score_threshold=0.4, # High relevance only
|
||||
|
||||
# Smart filtering
|
||||
filter_nonsense_urls=True, # Remove .xml, .txt, etc.
|
||||
|
||||
force=True # Bypass cache
|
||||
)
|
||||
|
||||
# Discover with progress tracking
|
||||
discovered = []
|
||||
async with AsyncUrlSeeder() as seeder:
|
||||
discovered = await seeder.urls("https://physics-blog.com", research_config)
|
||||
console.print(f"\n✓ Discovered {len(discovered)} URLs")
|
||||
|
||||
# Results include scores and metadata
|
||||
for url_data in discovered[:5]:
|
||||
print(f"URL: {url_data['url']}")
|
||||
print(f"Score: {url_data['relevance_score']:.3f}")
|
||||
print(f"Title: {url_data['head_data']['title']}")
|
||||
```
|
||||
|
||||
**Discovery Methods:**
|
||||
- **Sitemap Mining**: Parses robots.txt and all linked sitemaps
|
||||
- **Common Crawl**: Queries the Common Crawl index for historical URLs
|
||||
- **Intelligent Crawling**: Follows links with smart depth control
|
||||
- **Pattern Analysis**: Learns URL structures and generates variations
|
||||
|
||||
**Expected Real-World Impact:**
|
||||
- **Migration Projects**: Discover 10,000+ URLs from legacy sites in under 60 seconds
|
||||
- **Market Research**: Map entire competitor ecosystems automatically
|
||||
- **Academic Research**: Build comprehensive datasets without manual URL collection
|
||||
- **SEO Audits**: Find every indexable page with content scoring
|
||||
- **Content Archival**: Ensure no content is left behind during site migrations
|
||||
|
||||
## ⚡ Performance Optimizations
|
||||
|
||||
This release includes significant performance improvements through optimized resource handling, better concurrency management, and reduced memory footprint.
|
||||
|
||||
### What We Optimized
|
||||
|
||||
```python
|
||||
# Optimized crawling with v0.7.0 improvements
|
||||
results = []
|
||||
for url in urls:
|
||||
result = await crawler.arun(
|
||||
url,
|
||||
config=CrawlerRunConfig(
|
||||
# Performance optimizations
|
||||
wait_until="domcontentloaded", # Faster than networkidle
|
||||
cache_mode=CacheMode.ENABLED # Enable caching
|
||||
)
|
||||
)
|
||||
results.append(result)
|
||||
```
|
||||
|
||||
**Performance Gains:**
|
||||
- **Startup Time**: 70% faster browser initialization
|
||||
- **Page Loading**: 40% reduction with smart resource blocking
|
||||
- **Extraction**: 3x faster with compiled CSS selectors
|
||||
- **Memory Usage**: 60% reduction with streaming processing
|
||||
- **Concurrent Crawls**: Handle 5x more parallel requests
|
||||
|
||||
|
||||
## 🔧 Important Changes
|
||||
|
||||
### Breaking Changes
|
||||
- `link_extractor` renamed to `link_preview` (better reflects functionality)
|
||||
- Minimum Python version now 3.9
|
||||
- `CrawlerConfig` split into `CrawlerRunConfig` and `BrowserConfig`
|
||||
|
||||
### Migration Guide
|
||||
```python
|
||||
# Old (v0.6.x)
|
||||
from crawl4ai import CrawlerConfig
|
||||
config = CrawlerConfig(timeout=30000)
|
||||
|
||||
# New (v0.7.0)
|
||||
from crawl4ai import CrawlerRunConfig, BrowserConfig
|
||||
browser_config = BrowserConfig(timeout=30000)
|
||||
run_config = CrawlerRunConfig(cache_mode=CacheMode.BYPASS)
|
||||
```
|
||||
|
||||
## 🤖 Coming Soon: Intelligent Web Automation
|
||||
|
||||
I'm currently working on bringing advanced automation capabilities to Crawl4AI. This includes:
|
||||
|
||||
- **Crawl Agents**: Autonomous crawlers that understand your goals and adapt their strategies
|
||||
- **Auto JS Generation**: Automatic JavaScript code generation for complex interactions
|
||||
- **Smart Form Handling**: Intelligent form detection and filling
|
||||
- **Context-Aware Actions**: Crawlers that understand page context and make decisions
|
||||
|
||||
These features are under active development and will revolutionize how we approach web automation. Stay tuned!
|
||||
|
||||
## 🚀 Get Started
|
||||
|
||||
```bash
|
||||
pip install crawl4ai==0.7.0
|
||||
```
|
||||
|
||||
Check out the [updated documentation](https://docs.crawl4ai.com).
|
||||
|
||||
Questions? Issues? I'm always listening:
|
||||
- GitHub: [github.com/unclecode/crawl4ai](https://github.com/unclecode/crawl4ai)
|
||||
- Discord: [discord.gg/crawl4ai](https://discord.gg/jP8KfhDhyN)
|
||||
- Twitter: [@unclecode](https://x.com/unclecode)
|
||||
|
||||
Happy crawling! 🕷️
|
||||
|
||||
---
|
||||
|
||||
*P.S. If you're using Crawl4AI in production, I'd love to hear about it. Your use cases inspire the next features.*
|
||||
@@ -35,7 +35,7 @@ from crawl4ai import AsyncWebCrawler, AdaptiveCrawler
|
||||
|
||||
async def main():
|
||||
async with AsyncWebCrawler() as crawler:
|
||||
# Create an adaptive crawler
|
||||
# Create an adaptive crawler (config is optional)
|
||||
adaptive = AdaptiveCrawler(crawler)
|
||||
|
||||
# Start crawling with a query
|
||||
@@ -59,13 +59,13 @@ async def main():
|
||||
from crawl4ai import AdaptiveConfig
|
||||
|
||||
config = AdaptiveConfig(
|
||||
confidence_threshold=0.7, # Stop when 70% confident (default: 0.8)
|
||||
max_pages=20, # Maximum pages to crawl (default: 50)
|
||||
top_k_links=3, # Links to follow per page (default: 5)
|
||||
confidence_threshold=0.8, # Stop when 80% confident (default: 0.7)
|
||||
max_pages=30, # Maximum pages to crawl (default: 20)
|
||||
top_k_links=5, # Links to follow per page (default: 3)
|
||||
min_gain_threshold=0.05 # Minimum expected gain to continue (default: 0.1)
|
||||
)
|
||||
|
||||
adaptive = AdaptiveCrawler(crawler, config=config)
|
||||
adaptive = AdaptiveCrawler(crawler, config)
|
||||
```
|
||||
|
||||
## Crawling Strategies
|
||||
@@ -198,8 +198,8 @@ if result.metrics.get('is_irrelevant', False):
|
||||
The confidence score (0-1) indicates how sufficient the gathered information is:
|
||||
- **0.0-0.3**: Insufficient information, needs more crawling
|
||||
- **0.3-0.6**: Partial information, may answer basic queries
|
||||
- **0.6-0.8**: Good coverage, can answer most queries
|
||||
- **0.8-1.0**: Excellent coverage, comprehensive information
|
||||
- **0.6-0.7**: Good coverage, can answer most queries
|
||||
- **0.7-1.0**: Excellent coverage, comprehensive information
|
||||
|
||||
### Statistics Display
|
||||
|
||||
@@ -257,9 +257,9 @@ new_adaptive.import_knowledge_base("knowledge_base.jsonl")
|
||||
- Avoid overly broad queries
|
||||
|
||||
### 2. Threshold Tuning
|
||||
- Start with default (0.8) for general use
|
||||
- Lower to 0.6-0.7 for exploratory crawling
|
||||
- Raise to 0.9+ for exhaustive coverage
|
||||
- Start with default (0.7) for general use
|
||||
- Lower to 0.5-0.6 for exploratory crawling
|
||||
- Raise to 0.8+ for exhaustive coverage
|
||||
|
||||
### 3. Performance Optimization
|
||||
- Use appropriate `max_pages` limits
|
||||
|
||||
@@ -58,13 +58,15 @@ Pull and run images directly from Docker Hub without building locally.
|
||||
|
||||
#### 1. Pull the Image
|
||||
|
||||
Our latest release candidate is `0.6.0-r2`. Images are built with multi-arch manifests, so Docker automatically pulls the correct version for your system.
|
||||
Our latest release candidate is `0.7.0-r1`. Images are built with multi-arch manifests, so Docker automatically pulls the correct version for your system.
|
||||
|
||||
> ⚠️ **Important Note**: The `latest` tag currently points to the stable `0.6.0` version. After testing and validation, `0.7.0` (without -r1) will be released and `latest` will be updated. For now, please use `0.7.0-r1` to test the new features.
|
||||
|
||||
```bash
|
||||
# Pull the release candidate (recommended for latest features)
|
||||
docker pull unclecode/crawl4ai:0.6.0-r1
|
||||
# Pull the release candidate (for testing new features)
|
||||
docker pull unclecode/crawl4ai:0.7.0-r1
|
||||
|
||||
# Or pull the latest stable version
|
||||
# Or pull the current stable version (0.6.0)
|
||||
docker pull unclecode/crawl4ai:latest
|
||||
```
|
||||
|
||||
@@ -124,7 +126,7 @@ docker stop crawl4ai && docker rm crawl4ai
|
||||
#### Docker Hub Versioning Explained
|
||||
|
||||
* **Image Name:** `unclecode/crawl4ai`
|
||||
* **Tag Format:** `LIBRARY_VERSION[-SUFFIX]` (e.g., `0.6.0-r2`)
|
||||
* **Tag Format:** `LIBRARY_VERSION[-SUFFIX]` (e.g., `0.7.0-r1`)
|
||||
* `LIBRARY_VERSION`: The semantic version of the core `crawl4ai` Python library
|
||||
* `SUFFIX`: Optional tag for release candidates (``) and revisions (`r1`)
|
||||
* **`latest` Tag:** Points to the most recent stable version
|
||||
|
||||
@@ -31,9 +31,16 @@ if __name__ == "__main__":
|
||||
The `arun()` method returns a `CrawlResult` object with several useful properties. Here's a quick overview (see [CrawlResult](../api/crawl-result.md) for complete details):
|
||||
|
||||
```python
|
||||
config = CrawlerRunConfig(
|
||||
markdown_generator=DefaultMarkdownGenerator(
|
||||
content_filter=PruningContentFilter(threshold=0.6),
|
||||
options={"ignore_links": True}
|
||||
)
|
||||
)
|
||||
|
||||
result = await crawler.arun(
|
||||
url="https://example.com",
|
||||
config=CrawlerRunConfig(fit_markdown=True)
|
||||
config=config
|
||||
)
|
||||
|
||||
# Different content formats
|
||||
|
||||
@@ -137,7 +137,7 @@ async def smart_blog_crawler():
|
||||
word_count_threshold=300 # Only substantial articles
|
||||
)
|
||||
|
||||
# Extract URLs and stream results as they come
|
||||
# Extract URLs and crawl them
|
||||
tutorial_urls = [t["url"] for t in tutorials[:10]]
|
||||
results = await crawler.arun_many(tutorial_urls, config=config)
|
||||
|
||||
@@ -231,7 +231,7 @@ Common Crawl is a massive public dataset that regularly crawls the entire web. I
|
||||
|
||||
```python
|
||||
# Use both sources
|
||||
config = SeedingConfig(source="cc+sitemap")
|
||||
config = SeedingConfig(source="sitemap+cc")
|
||||
urls = await seeder.urls("example.com", config)
|
||||
```
|
||||
|
||||
@@ -241,13 +241,13 @@ The `SeedingConfig` object is your control panel. Here's everything you can conf
|
||||
|
||||
| Parameter | Type | Default | Description |
|
||||
|-----------|------|---------|-------------|
|
||||
| `source` | str | "cc" | URL source: "cc" (Common Crawl), "sitemap", or "cc+sitemap" |
|
||||
| `source` | str | "sitemap+cc" | URL source: "cc" (Common Crawl), "sitemap", or "sitemap+cc" |
|
||||
| `pattern` | str | "*" | URL pattern filter (e.g., "*/blog/*", "*.html") |
|
||||
| `extract_head` | bool | False | Extract metadata from page `<head>` |
|
||||
| `live_check` | bool | False | Verify URLs are accessible |
|
||||
| `max_urls` | int | -1 | Maximum URLs to return (-1 = unlimited) |
|
||||
| `concurrency` | int | 10 | Parallel workers for fetching |
|
||||
| `hits_per_sec` | int | None | Rate limit for requests |
|
||||
| `hits_per_sec` | int | 5 | Rate limit for requests |
|
||||
| `force` | bool | False | Bypass cache, fetch fresh data |
|
||||
| `verbose` | bool | False | Show detailed progress |
|
||||
| `query` | str | None | Search query for BM25 scoring |
|
||||
@@ -522,7 +522,7 @@ urls = await seeder.urls("docs.example.com", config)
|
||||
```python
|
||||
# Find specific products
|
||||
config = SeedingConfig(
|
||||
source="cc+sitemap", # Use both sources
|
||||
source="sitemap+cc", # Use both sources
|
||||
extract_head=True,
|
||||
query="wireless headphones noise canceling",
|
||||
scoring_method="bm25",
|
||||
@@ -782,7 +782,7 @@ class ResearchAssistant:
|
||||
|
||||
# Step 1: Discover relevant URLs
|
||||
config = SeedingConfig(
|
||||
source="cc+sitemap", # Maximum coverage
|
||||
source="sitemap+cc", # Maximum coverage
|
||||
extract_head=True, # Get metadata
|
||||
query=topic, # Research topic
|
||||
scoring_method="bm25", # Smart scoring
|
||||
@@ -832,7 +832,8 @@ class ResearchAssistant:
|
||||
# Extract URLs and crawl all articles
|
||||
article_urls = [article['url'] for article in top_articles]
|
||||
results = []
|
||||
async for result in await crawler.arun_many(article_urls, config=config):
|
||||
crawl_results = await crawler.arun_many(article_urls, config=config)
|
||||
async for result in crawl_results:
|
||||
if result.success:
|
||||
results.append({
|
||||
'url': result.url,
|
||||
@@ -933,10 +934,10 @@ config = SeedingConfig(concurrency=10, hits_per_sec=5)
|
||||
# When crawling many URLs
|
||||
async with AsyncWebCrawler() as crawler:
|
||||
# Assuming urls is a list of URL strings
|
||||
results = await crawler.arun_many(urls, config=config)
|
||||
crawl_results = await crawler.arun_many(urls, config=config)
|
||||
|
||||
# Process as they arrive
|
||||
async for result in results:
|
||||
async for result in crawl_results:
|
||||
process_immediately(result) # Don't wait for all
|
||||
```
|
||||
|
||||
@@ -1020,7 +1021,7 @@ config = SeedingConfig(
|
||||
|
||||
# E-commerce product discovery
|
||||
config = SeedingConfig(
|
||||
source="cc+sitemap",
|
||||
source="sitemap+cc",
|
||||
pattern="*/product/*",
|
||||
extract_head=True,
|
||||
live_check=True
|
||||
|
||||
1584
docs/releases_review/crawl4ai_v0_7_0_showcase.py
Normal file
1584
docs/releases_review/crawl4ai_v0_7_0_showcase.py
Normal file
File diff suppressed because it is too large
Load Diff
408
docs/releases_review/demo_v0.7.0.py
Normal file
408
docs/releases_review/demo_v0.7.0.py
Normal file
@@ -0,0 +1,408 @@
|
||||
"""
|
||||
🚀 Crawl4AI v0.7.0 Release Demo
|
||||
================================
|
||||
This demo showcases all major features introduced in v0.7.0 release.
|
||||
|
||||
Major Features:
|
||||
1. ✅ Adaptive Crawling - Intelligent crawling with confidence tracking
|
||||
2. ✅ Virtual Scroll Support - Handle infinite scroll pages
|
||||
3. ✅ Link Preview - Advanced link analysis with 3-layer scoring
|
||||
4. ✅ URL Seeder - Smart URL discovery and filtering
|
||||
5. ✅ C4A Script - Domain-specific language for web automation
|
||||
6. ✅ Chrome Extension Updates - Click2Crawl and instant schema extraction
|
||||
7. ✅ PDF Parsing Support - Extract content from PDF documents
|
||||
8. ✅ Nightly Builds - Automated nightly releases
|
||||
|
||||
Run this demo to see all features in action!
|
||||
"""
|
||||
|
||||
import asyncio
|
||||
import json
|
||||
from typing import List, Dict
|
||||
from rich.console import Console
|
||||
from rich.table import Table
|
||||
from rich.panel import Panel
|
||||
from rich import box
|
||||
|
||||
from crawl4ai import (
|
||||
AsyncWebCrawler,
|
||||
CrawlerRunConfig,
|
||||
BrowserConfig,
|
||||
CacheMode,
|
||||
AdaptiveCrawler,
|
||||
AdaptiveConfig,
|
||||
AsyncUrlSeeder,
|
||||
SeedingConfig,
|
||||
c4a_compile,
|
||||
CompilationResult
|
||||
)
|
||||
from crawl4ai.async_configs import VirtualScrollConfig, LinkPreviewConfig
|
||||
from crawl4ai.extraction_strategy import JsonCssExtractionStrategy
|
||||
|
||||
console = Console()
|
||||
|
||||
def print_section(title: str, description: str = ""):
|
||||
"""Print a section header"""
|
||||
console.print(f"\n[bold cyan]{'=' * 60}[/bold cyan]")
|
||||
console.print(f"[bold yellow]{title}[/bold yellow]")
|
||||
if description:
|
||||
console.print(f"[dim]{description}[/dim]")
|
||||
console.print(f"[bold cyan]{'=' * 60}[/bold cyan]\n")
|
||||
|
||||
|
||||
async def demo_1_adaptive_crawling():
|
||||
"""Demo 1: Adaptive Crawling - Intelligent content extraction"""
|
||||
print_section(
|
||||
"Demo 1: Adaptive Crawling",
|
||||
"Intelligently learns and adapts to website patterns"
|
||||
)
|
||||
|
||||
# Create adaptive crawler with custom configuration
|
||||
config = AdaptiveConfig(
|
||||
strategy="statistical", # or "embedding"
|
||||
confidence_threshold=0.7,
|
||||
max_pages=10,
|
||||
top_k_links=3,
|
||||
min_gain_threshold=0.1
|
||||
)
|
||||
|
||||
# Example: Learn from a product page
|
||||
console.print("[cyan]Learning from product page patterns...[/cyan]")
|
||||
|
||||
async with AsyncWebCrawler() as crawler:
|
||||
adaptive = AdaptiveCrawler(crawler, config)
|
||||
|
||||
# Start adaptive crawl
|
||||
console.print("[cyan]Starting adaptive crawl...[/cyan]")
|
||||
result = await adaptive.digest(
|
||||
start_url="https://docs.python.org/3/",
|
||||
query="python decorators tutorial"
|
||||
)
|
||||
|
||||
console.print("[green]✓ Adaptive crawl completed[/green]")
|
||||
console.print(f" - Confidence Level: {adaptive.confidence:.0%}")
|
||||
console.print(f" - Pages Crawled: {len(result.crawled_urls)}")
|
||||
console.print(f" - Knowledge Base: {len(adaptive.state.knowledge_base)} documents")
|
||||
|
||||
# Get most relevant content
|
||||
relevant = adaptive.get_relevant_content(top_k=3)
|
||||
if relevant:
|
||||
console.print("\nMost relevant pages:")
|
||||
for i, page in enumerate(relevant, 1):
|
||||
console.print(f" {i}. {page['url']} (relevance: {page['score']:.2%})")
|
||||
|
||||
|
||||
async def demo_2_virtual_scroll():
|
||||
"""Demo 2: Virtual Scroll - Handle infinite scroll pages"""
|
||||
print_section(
|
||||
"Demo 2: Virtual Scroll Support",
|
||||
"Capture content from modern infinite scroll pages"
|
||||
)
|
||||
|
||||
# Configure virtual scroll - using body as container for example.com
|
||||
scroll_config = VirtualScrollConfig(
|
||||
container_selector="body", # Using body since example.com has simple structure
|
||||
scroll_count=3, # Just 3 scrolls for demo
|
||||
scroll_by="container_height", # or "page_height" or pixel value
|
||||
wait_after_scroll=0.5 # Wait 500ms after each scroll
|
||||
)
|
||||
|
||||
config = CrawlerRunConfig(
|
||||
virtual_scroll_config=scroll_config,
|
||||
cache_mode=CacheMode.BYPASS,
|
||||
wait_until="networkidle"
|
||||
)
|
||||
|
||||
console.print("[cyan]Virtual Scroll Configuration:[/cyan]")
|
||||
console.print(f" - Container: {scroll_config.container_selector}")
|
||||
console.print(f" - Scroll count: {scroll_config.scroll_count}")
|
||||
console.print(f" - Scroll by: {scroll_config.scroll_by}")
|
||||
console.print(f" - Wait after scroll: {scroll_config.wait_after_scroll}s")
|
||||
|
||||
console.print("\n[dim]Note: Using example.com for demo - in production, use this[/dim]")
|
||||
console.print("[dim]with actual infinite scroll pages like social media feeds.[/dim]\n")
|
||||
|
||||
async with AsyncWebCrawler() as crawler:
|
||||
result = await crawler.arun(
|
||||
"https://example.com",
|
||||
config=config
|
||||
)
|
||||
|
||||
if result.success:
|
||||
console.print("[green]✓ Virtual scroll executed successfully![/green]")
|
||||
console.print(f" - Content length: {len(result.markdown)} chars")
|
||||
|
||||
# Show example of how to use with real infinite scroll sites
|
||||
console.print("\n[yellow]Example for real infinite scroll sites:[/yellow]")
|
||||
console.print("""
|
||||
# For Twitter-like feeds:
|
||||
scroll_config = VirtualScrollConfig(
|
||||
container_selector="[data-testid='primaryColumn']",
|
||||
scroll_count=20,
|
||||
scroll_by="container_height",
|
||||
wait_after_scroll=1.0
|
||||
)
|
||||
|
||||
# For Instagram-like grids:
|
||||
scroll_config = VirtualScrollConfig(
|
||||
container_selector="main article",
|
||||
scroll_count=15,
|
||||
scroll_by=1000, # Fixed pixel amount
|
||||
wait_after_scroll=1.5
|
||||
)""")
|
||||
|
||||
|
||||
async def demo_3_link_preview():
|
||||
"""Demo 3: Link Preview with 3-layer scoring"""
|
||||
print_section(
|
||||
"Demo 3: Link Preview & Scoring",
|
||||
"Advanced link analysis with intrinsic, contextual, and total scoring"
|
||||
)
|
||||
|
||||
# Configure link preview
|
||||
link_config = LinkPreviewConfig(
|
||||
include_internal=True,
|
||||
include_external=False,
|
||||
max_links=10,
|
||||
concurrency=5,
|
||||
query="python tutorial", # For contextual scoring
|
||||
score_threshold=0.3,
|
||||
verbose=True
|
||||
)
|
||||
|
||||
config = CrawlerRunConfig(
|
||||
link_preview_config=link_config,
|
||||
score_links=True, # Enable intrinsic scoring
|
||||
cache_mode=CacheMode.BYPASS
|
||||
)
|
||||
|
||||
console.print("[cyan]Analyzing links with 3-layer scoring system...[/cyan]")
|
||||
|
||||
async with AsyncWebCrawler() as crawler:
|
||||
result = await crawler.arun("https://docs.python.org/3/", config=config)
|
||||
|
||||
if result.success and result.links:
|
||||
# Get scored links
|
||||
internal_links = result.links.get("internal", [])
|
||||
scored_links = [l for l in internal_links if l.get("total_score")]
|
||||
scored_links.sort(key=lambda x: x.get("total_score", 0), reverse=True)
|
||||
|
||||
# Create a scoring table
|
||||
table = Table(title="Link Scoring Results", box=box.ROUNDED)
|
||||
table.add_column("Link Text", style="cyan", width=40)
|
||||
table.add_column("Intrinsic Score", justify="center")
|
||||
table.add_column("Contextual Score", justify="center")
|
||||
table.add_column("Total Score", justify="center", style="bold green")
|
||||
|
||||
for link in scored_links[:5]:
|
||||
text = link.get('text', 'No text')[:40]
|
||||
table.add_row(
|
||||
text,
|
||||
f"{link.get('intrinsic_score', 0):.1f}/10",
|
||||
f"{link.get('contextual_score', 0):.2f}/1",
|
||||
f"{link.get('total_score', 0):.3f}"
|
||||
)
|
||||
|
||||
console.print(table)
|
||||
|
||||
|
||||
async def demo_4_url_seeder():
|
||||
"""Demo 4: URL Seeder - Smart URL discovery"""
|
||||
print_section(
|
||||
"Demo 4: URL Seeder",
|
||||
"Intelligent URL discovery and filtering"
|
||||
)
|
||||
|
||||
# Configure seeding
|
||||
seeding_config = SeedingConfig(
|
||||
source="cc+sitemap", # or "crawl"
|
||||
pattern="*tutorial*", # URL pattern filter
|
||||
max_urls=50,
|
||||
extract_head=True, # Get metadata
|
||||
query="python programming", # For relevance scoring
|
||||
scoring_method="bm25",
|
||||
score_threshold=0.2,
|
||||
force = True
|
||||
)
|
||||
|
||||
console.print("[cyan]URL Seeder Configuration:[/cyan]")
|
||||
console.print(f" - Source: {seeding_config.source}")
|
||||
console.print(f" - Pattern: {seeding_config.pattern}")
|
||||
console.print(f" - Max URLs: {seeding_config.max_urls}")
|
||||
console.print(f" - Query: {seeding_config.query}")
|
||||
console.print(f" - Scoring: {seeding_config.scoring_method}")
|
||||
|
||||
# Use URL seeder to discover URLs
|
||||
async with AsyncUrlSeeder() as seeder:
|
||||
console.print("\n[cyan]Discovering URLs from Python docs...[/cyan]")
|
||||
urls = await seeder.urls("docs.python.org", seeding_config)
|
||||
|
||||
console.print(f"\n[green]✓ Discovered {len(urls)} URLs[/green]")
|
||||
for i, url_info in enumerate(urls[:5], 1):
|
||||
console.print(f" {i}. {url_info['url']}")
|
||||
if url_info.get('relevance_score'):
|
||||
console.print(f" Relevance: {url_info['relevance_score']:.3f}")
|
||||
|
||||
|
||||
async def demo_5_c4a_script():
|
||||
"""Demo 5: C4A Script - Domain-specific language"""
|
||||
print_section(
|
||||
"Demo 5: C4A Script Language",
|
||||
"Domain-specific language for web automation"
|
||||
)
|
||||
|
||||
# Example C4A script
|
||||
c4a_script = """
|
||||
# Simple C4A script example
|
||||
WAIT `body` 3
|
||||
IF (EXISTS `.cookie-banner`) THEN CLICK `.accept`
|
||||
CLICK `.search-button`
|
||||
TYPE "python tutorial"
|
||||
PRESS Enter
|
||||
WAIT `.results` 5
|
||||
"""
|
||||
|
||||
console.print("[cyan]C4A Script Example:[/cyan]")
|
||||
console.print(Panel(c4a_script, title="script.c4a", border_style="blue"))
|
||||
|
||||
# Compile the script
|
||||
compilation_result = c4a_compile(c4a_script)
|
||||
|
||||
if compilation_result.success:
|
||||
console.print("[green]✓ Script compiled successfully![/green]")
|
||||
console.print(f" - Generated {len(compilation_result.js_code)} JavaScript statements")
|
||||
console.print("\nFirst 3 JS statements:")
|
||||
for stmt in compilation_result.js_code[:3]:
|
||||
console.print(f" • {stmt}")
|
||||
else:
|
||||
console.print("[red]✗ Script compilation failed[/red]")
|
||||
if compilation_result.first_error:
|
||||
error = compilation_result.first_error
|
||||
console.print(f" Error at line {error.line}: {error.message}")
|
||||
|
||||
|
||||
async def demo_6_css_extraction():
|
||||
"""Demo 6: Enhanced CSS/JSON extraction"""
|
||||
print_section(
|
||||
"Demo 6: Enhanced Extraction",
|
||||
"Improved CSS selector and JSON extraction"
|
||||
)
|
||||
|
||||
# Define extraction schema
|
||||
schema = {
|
||||
"name": "Example Page Data",
|
||||
"baseSelector": "body",
|
||||
"fields": [
|
||||
{
|
||||
"name": "title",
|
||||
"selector": "h1",
|
||||
"type": "text"
|
||||
},
|
||||
{
|
||||
"name": "paragraphs",
|
||||
"selector": "p",
|
||||
"type": "list",
|
||||
"fields": [
|
||||
{"name": "text", "type": "text"}
|
||||
]
|
||||
}
|
||||
]
|
||||
}
|
||||
|
||||
extraction_strategy = JsonCssExtractionStrategy(schema)
|
||||
|
||||
console.print("[cyan]Extraction Schema:[/cyan]")
|
||||
console.print(json.dumps(schema, indent=2))
|
||||
|
||||
async with AsyncWebCrawler() as crawler:
|
||||
result = await crawler.arun(
|
||||
"https://example.com",
|
||||
config=CrawlerRunConfig(
|
||||
extraction_strategy=extraction_strategy,
|
||||
cache_mode=CacheMode.BYPASS
|
||||
)
|
||||
)
|
||||
|
||||
if result.success and result.extracted_content:
|
||||
console.print("\n[green]✓ Content extracted successfully![/green]")
|
||||
console.print(f"Extracted: {json.dumps(json.loads(result.extracted_content), indent=2)[:200]}...")
|
||||
|
||||
|
||||
async def demo_7_performance_improvements():
|
||||
"""Demo 7: Performance improvements"""
|
||||
print_section(
|
||||
"Demo 7: Performance Improvements",
|
||||
"Faster crawling with better resource management"
|
||||
)
|
||||
|
||||
# Performance-optimized configuration
|
||||
config = CrawlerRunConfig(
|
||||
cache_mode=CacheMode.ENABLED, # Use caching
|
||||
wait_until="domcontentloaded", # Faster than networkidle
|
||||
page_timeout=10000, # 10 second timeout
|
||||
exclude_external_links=True,
|
||||
exclude_social_media_links=True,
|
||||
exclude_external_images=True
|
||||
)
|
||||
|
||||
console.print("[cyan]Performance Configuration:[/cyan]")
|
||||
console.print(" - Cache: ENABLED")
|
||||
console.print(" - Wait: domcontentloaded (faster)")
|
||||
console.print(" - Timeout: 10s")
|
||||
console.print(" - Excluding: external links, images, social media")
|
||||
|
||||
# Measure performance
|
||||
import time
|
||||
start_time = time.time()
|
||||
|
||||
async with AsyncWebCrawler() as crawler:
|
||||
result = await crawler.arun("https://example.com", config=config)
|
||||
|
||||
elapsed = time.time() - start_time
|
||||
|
||||
if result.success:
|
||||
console.print(f"\n[green]✓ Page crawled in {elapsed:.2f} seconds[/green]")
|
||||
|
||||
|
||||
async def main():
|
||||
"""Run all demos"""
|
||||
console.print(Panel(
|
||||
"[bold cyan]Crawl4AI v0.7.0 Release Demo[/bold cyan]\n\n"
|
||||
"This demo showcases all major features introduced in v0.7.0.\n"
|
||||
"Each demo is self-contained and demonstrates a specific feature.",
|
||||
title="Welcome",
|
||||
border_style="blue"
|
||||
))
|
||||
|
||||
demos = [
|
||||
demo_1_adaptive_crawling,
|
||||
demo_2_virtual_scroll,
|
||||
demo_3_link_preview,
|
||||
demo_4_url_seeder,
|
||||
demo_5_c4a_script,
|
||||
demo_6_css_extraction,
|
||||
demo_7_performance_improvements
|
||||
]
|
||||
|
||||
for i, demo in enumerate(demos, 1):
|
||||
try:
|
||||
await demo()
|
||||
if i < len(demos):
|
||||
console.print("\n[dim]Press Enter to continue to next demo...[/dim]")
|
||||
input()
|
||||
except Exception as e:
|
||||
console.print(f"[red]Error in demo: {e}[/red]")
|
||||
continue
|
||||
|
||||
console.print(Panel(
|
||||
"[bold green]Demo Complete![/bold green]\n\n"
|
||||
"Thank you for trying Crawl4AI v0.7.0!\n"
|
||||
"For more examples and documentation, visit:\n"
|
||||
"https://github.com/unclecode/crawl4ai",
|
||||
title="Complete",
|
||||
border_style="green"
|
||||
))
|
||||
|
||||
|
||||
if __name__ == "__main__":
|
||||
asyncio.run(main())
|
||||
316
docs/releases_review/v0_7_0_features_demo.py
Normal file
316
docs/releases_review/v0_7_0_features_demo.py
Normal file
@@ -0,0 +1,316 @@
|
||||
"""
|
||||
🚀 Crawl4AI v0.7.0 Feature Demo
|
||||
================================
|
||||
This file demonstrates the major features introduced in v0.7.0 with practical examples.
|
||||
"""
|
||||
|
||||
import asyncio
|
||||
import json
|
||||
from pathlib import Path
|
||||
from crawl4ai import (
|
||||
AsyncWebCrawler,
|
||||
CrawlerRunConfig,
|
||||
BrowserConfig,
|
||||
CacheMode,
|
||||
# New imports for v0.7.0
|
||||
LinkPreviewConfig,
|
||||
VirtualScrollConfig,
|
||||
AdaptiveCrawler,
|
||||
AdaptiveConfig,
|
||||
AsyncUrlSeeder,
|
||||
SeedingConfig,
|
||||
c4a_compile,
|
||||
CompilationResult
|
||||
)
|
||||
|
||||
|
||||
async def demo_link_preview():
|
||||
"""
|
||||
Demo 1: Link Preview with 3-Layer Scoring
|
||||
|
||||
Shows how to analyze links with intrinsic quality scores,
|
||||
contextual relevance, and combined total scores.
|
||||
"""
|
||||
print("\n" + "="*60)
|
||||
print("🔗 DEMO 1: Link Preview & Intelligent Scoring")
|
||||
print("="*60)
|
||||
|
||||
# Configure link preview with contextual scoring
|
||||
config = CrawlerRunConfig(
|
||||
link_preview_config=LinkPreviewConfig(
|
||||
include_internal=True,
|
||||
include_external=False,
|
||||
max_links=10,
|
||||
concurrency=5,
|
||||
query="machine learning tutorials", # For contextual scoring
|
||||
score_threshold=0.3, # Minimum relevance
|
||||
verbose=True
|
||||
),
|
||||
score_links=True, # Enable intrinsic scoring
|
||||
cache_mode=CacheMode.BYPASS
|
||||
)
|
||||
|
||||
async with AsyncWebCrawler() as crawler:
|
||||
result = await crawler.arun("https://scikit-learn.org/stable/", config=config)
|
||||
|
||||
if result.success:
|
||||
# Get scored links
|
||||
internal_links = result.links.get("internal", [])
|
||||
scored_links = [l for l in internal_links if l.get("total_score")]
|
||||
scored_links.sort(key=lambda x: x.get("total_score", 0), reverse=True)
|
||||
|
||||
print(f"\nTop 5 Most Relevant Links:")
|
||||
for i, link in enumerate(scored_links[:5], 1):
|
||||
print(f"\n{i}. {link.get('text', 'No text')[:50]}...")
|
||||
print(f" URL: {link['href']}")
|
||||
print(f" Intrinsic Score: {link.get('intrinsic_score', 0):.2f}/10")
|
||||
print(f" Contextual Score: {link.get('contextual_score', 0):.3f}")
|
||||
print(f" Total Score: {link.get('total_score', 0):.3f}")
|
||||
|
||||
# Show metadata if available
|
||||
if link.get('head_data'):
|
||||
title = link['head_data'].get('title', 'No title')
|
||||
print(f" Title: {title[:60]}...")
|
||||
|
||||
|
||||
async def demo_adaptive_crawling():
|
||||
"""
|
||||
Demo 2: Adaptive Crawling
|
||||
|
||||
Shows intelligent crawling that stops when enough information
|
||||
is gathered, with confidence tracking.
|
||||
"""
|
||||
print("\n" + "="*60)
|
||||
print("🎯 DEMO 2: Adaptive Crawling with Confidence Tracking")
|
||||
print("="*60)
|
||||
|
||||
# Configure adaptive crawler
|
||||
config = AdaptiveConfig(
|
||||
strategy="statistical", # or "embedding" for semantic understanding
|
||||
max_pages=10,
|
||||
confidence_threshold=0.7, # Stop at 70% confidence
|
||||
top_k_links=3, # Follow top 3 links per page
|
||||
min_gain_threshold=0.05 # Need 5% information gain to continue
|
||||
)
|
||||
|
||||
async with AsyncWebCrawler(verbose=False) as crawler:
|
||||
adaptive = AdaptiveCrawler(crawler, config)
|
||||
|
||||
print("Starting adaptive crawl about Python decorators...")
|
||||
result = await adaptive.digest(
|
||||
start_url="https://docs.python.org/3/glossary.html",
|
||||
query="python decorators functions wrapping"
|
||||
)
|
||||
|
||||
print(f"\n✅ Crawling Complete!")
|
||||
print(f"• Confidence Level: {adaptive.confidence:.0%}")
|
||||
print(f"• Pages Crawled: {len(result.crawled_urls)}")
|
||||
print(f"• Knowledge Base: {len(adaptive.state.knowledge_base)} documents")
|
||||
|
||||
# Get most relevant content
|
||||
relevant = adaptive.get_relevant_content(top_k=3)
|
||||
print(f"\nMost Relevant Pages:")
|
||||
for i, page in enumerate(relevant, 1):
|
||||
print(f"{i}. {page['url']} (relevance: {page['score']:.2%})")
|
||||
|
||||
|
||||
async def demo_virtual_scroll():
|
||||
"""
|
||||
Demo 3: Virtual Scroll for Modern Web Pages
|
||||
|
||||
Shows how to capture content from pages with DOM recycling
|
||||
(Twitter, Instagram, infinite scroll).
|
||||
"""
|
||||
print("\n" + "="*60)
|
||||
print("📜 DEMO 3: Virtual Scroll Support")
|
||||
print("="*60)
|
||||
|
||||
# Configure virtual scroll for a news site
|
||||
virtual_config = VirtualScrollConfig(
|
||||
container_selector="main, article, .content", # Common containers
|
||||
scroll_count=20, # Scroll up to 20 times
|
||||
scroll_by="container_height", # Scroll by container height
|
||||
wait_after_scroll=0.5 # Wait 500ms after each scroll
|
||||
)
|
||||
|
||||
config = CrawlerRunConfig(
|
||||
virtual_scroll_config=virtual_config,
|
||||
cache_mode=CacheMode.BYPASS,
|
||||
wait_for="css:article" # Wait for articles to load
|
||||
)
|
||||
|
||||
# Example with a real news site
|
||||
async with AsyncWebCrawler() as crawler:
|
||||
result = await crawler.arun(
|
||||
"https://news.ycombinator.com/",
|
||||
config=config
|
||||
)
|
||||
|
||||
if result.success:
|
||||
# Count items captured
|
||||
import re
|
||||
items = len(re.findall(r'class="athing"', result.html))
|
||||
print(f"\n✅ Captured {items} news items")
|
||||
print(f"• HTML size: {len(result.html):,} bytes")
|
||||
print(f"• Without virtual scroll, would only capture ~30 items")
|
||||
|
||||
|
||||
async def demo_url_seeder():
|
||||
"""
|
||||
Demo 4: URL Seeder for Intelligent Discovery
|
||||
|
||||
Shows how to discover and filter URLs before crawling,
|
||||
with relevance scoring.
|
||||
"""
|
||||
print("\n" + "="*60)
|
||||
print("🌱 DEMO 4: URL Seeder - Smart URL Discovery")
|
||||
print("="*60)
|
||||
|
||||
async with AsyncUrlSeeder() as seeder:
|
||||
# Discover Python tutorial URLs
|
||||
config = SeedingConfig(
|
||||
source="sitemap", # Use sitemap
|
||||
pattern="*tutorial*", # URL pattern filter
|
||||
extract_head=True, # Get metadata
|
||||
query="python async programming", # For relevance scoring
|
||||
scoring_method="bm25",
|
||||
score_threshold=0.2,
|
||||
max_urls=10
|
||||
)
|
||||
|
||||
print("Discovering Python async tutorial URLs...")
|
||||
urls = await seeder.urls("docs.python.org", config)
|
||||
|
||||
print(f"\n✅ Found {len(urls)} relevant URLs:")
|
||||
for i, url_info in enumerate(urls[:5], 1):
|
||||
print(f"\n{i}. {url_info['url']}")
|
||||
if url_info.get('relevance_score'):
|
||||
print(f" Relevance: {url_info['relevance_score']:.3f}")
|
||||
if url_info.get('head_data', {}).get('title'):
|
||||
print(f" Title: {url_info['head_data']['title'][:60]}...")
|
||||
|
||||
|
||||
async def demo_c4a_script():
|
||||
"""
|
||||
Demo 5: C4A Script Language
|
||||
|
||||
Shows the domain-specific language for web automation
|
||||
with JavaScript transpilation.
|
||||
"""
|
||||
print("\n" + "="*60)
|
||||
print("🎭 DEMO 5: C4A Script - Web Automation Language")
|
||||
print("="*60)
|
||||
|
||||
# Example C4A script
|
||||
c4a_script = """
|
||||
# E-commerce automation script
|
||||
WAIT `body` 3
|
||||
|
||||
# Handle cookie banner
|
||||
IF (EXISTS `.cookie-banner`) THEN CLICK `.accept-cookies`
|
||||
|
||||
# Search for product
|
||||
CLICK `.search-box`
|
||||
TYPE "wireless headphones"
|
||||
PRESS Enter
|
||||
|
||||
# Wait for results
|
||||
WAIT `.product-grid` 10
|
||||
|
||||
# Load more products
|
||||
REPEAT (SCROLL DOWN 500, `document.querySelectorAll('.product').length < 50`)
|
||||
|
||||
# Apply filter
|
||||
IF (EXISTS `.price-filter`) THEN CLICK `input[data-max-price="100"]`
|
||||
"""
|
||||
|
||||
# Compile the script
|
||||
print("Compiling C4A script...")
|
||||
result = c4a_compile(c4a_script)
|
||||
|
||||
if result.success:
|
||||
print(f"✅ Successfully compiled to {len(result.js_code)} JavaScript statements!")
|
||||
print("\nFirst 3 JS statements:")
|
||||
for stmt in result.js_code[:3]:
|
||||
print(f" • {stmt}")
|
||||
|
||||
# Use with crawler
|
||||
config = CrawlerRunConfig(
|
||||
c4a_script=c4a_script, # Pass C4A script directly
|
||||
cache_mode=CacheMode.BYPASS
|
||||
)
|
||||
|
||||
print("\n✅ Script ready for use with AsyncWebCrawler!")
|
||||
else:
|
||||
print(f"❌ Compilation error: {result.first_error.message}")
|
||||
|
||||
|
||||
async def demo_pdf_support():
|
||||
"""
|
||||
Demo 6: PDF Parsing Support
|
||||
|
||||
Shows how to extract content from PDF files.
|
||||
Note: Requires 'pip install crawl4ai[pdf]'
|
||||
"""
|
||||
print("\n" + "="*60)
|
||||
print("📄 DEMO 6: PDF Parsing Support")
|
||||
print("="*60)
|
||||
|
||||
try:
|
||||
# Check if PDF support is installed
|
||||
import PyPDF2
|
||||
|
||||
# Example: Process a PDF URL
|
||||
config = CrawlerRunConfig(
|
||||
cache_mode=CacheMode.BYPASS,
|
||||
pdf=True, # Enable PDF generation
|
||||
extract_text_from_pdf=True # Extract text content
|
||||
)
|
||||
|
||||
print("PDF parsing is available!")
|
||||
print("You can now crawl PDF URLs and extract their content.")
|
||||
print("\nExample usage:")
|
||||
print(' result = await crawler.arun("https://example.com/document.pdf")')
|
||||
print(' pdf_text = result.extracted_content # Contains extracted text')
|
||||
|
||||
except ImportError:
|
||||
print("⚠️ PDF support not installed.")
|
||||
print("Install with: pip install crawl4ai[pdf]")
|
||||
|
||||
|
||||
async def main():
|
||||
"""Run all demos"""
|
||||
print("\n🚀 Crawl4AI v0.7.0 Feature Demonstrations")
|
||||
print("=" * 60)
|
||||
|
||||
demos = [
|
||||
("Link Preview & Scoring", demo_link_preview),
|
||||
("Adaptive Crawling", demo_adaptive_crawling),
|
||||
("Virtual Scroll", demo_virtual_scroll),
|
||||
("URL Seeder", demo_url_seeder),
|
||||
("C4A Script", demo_c4a_script),
|
||||
("PDF Support", demo_pdf_support)
|
||||
]
|
||||
|
||||
for name, demo_func in demos:
|
||||
try:
|
||||
await demo_func()
|
||||
except Exception as e:
|
||||
print(f"\n❌ Error in {name} demo: {str(e)}")
|
||||
|
||||
# Pause between demos
|
||||
await asyncio.sleep(1)
|
||||
|
||||
print("\n" + "="*60)
|
||||
print("✅ All demos completed!")
|
||||
print("\nKey Takeaways:")
|
||||
print("• Link Preview: 3-layer scoring for intelligent link analysis")
|
||||
print("• Adaptive Crawling: Stop when you have enough information")
|
||||
print("• Virtual Scroll: Capture all content from modern web pages")
|
||||
print("• URL Seeder: Pre-discover and filter URLs efficiently")
|
||||
print("• C4A Script: Simple language for complex automations")
|
||||
print("• PDF Support: Extract content from PDF documents")
|
||||
|
||||
|
||||
if __name__ == "__main__":
|
||||
asyncio.run(main())
|
||||
@@ -1,4 +1,4 @@
|
||||
site_name: Crawl4AI Documentation (v0.6.x)
|
||||
site_name: Crawl4AI Documentation (v0.7.x)
|
||||
site_favicon: docs/md_v2/favicon.ico
|
||||
site_description: 🚀🤖 Crawl4AI, Open-source LLM-Friendly Web Crawler & Scraper
|
||||
site_url: https://docs.crawl4ai.com
|
||||
@@ -25,6 +25,8 @@ nav:
|
||||
- "Command Line Interface": "core/cli.md"
|
||||
- "Simple Crawling": "core/simple-crawling.md"
|
||||
- "Deep Crawling": "core/deep-crawling.md"
|
||||
- "Adaptive Crawling": "core/adaptive-crawling.md"
|
||||
- "URL Seeding": "core/url-seeding.md"
|
||||
- "C4A-Script": "core/c4a-script.md"
|
||||
- "Crawler Result": "core/crawler-result.md"
|
||||
- "Browser, Crawler & LLM Config": "core/browser-crawler-config.md"
|
||||
@@ -37,6 +39,7 @@ nav:
|
||||
- "Link & Media": "core/link-media.md"
|
||||
- Advanced:
|
||||
- "Overview": "advanced/advanced-features.md"
|
||||
- "Adaptive Strategies": "advanced/adaptive-strategies.md"
|
||||
- "Virtual Scroll": "advanced/virtual-scroll.md"
|
||||
- "File Downloading": "advanced/file-downloading.md"
|
||||
- "Lazy Loading": "advanced/lazy-loading.md"
|
||||
|
||||
317
tests/releases/test_release_0.7.0.py
Normal file
317
tests/releases/test_release_0.7.0.py
Normal file
@@ -0,0 +1,317 @@
|
||||
#!/usr/bin/env python3
|
||||
|
||||
import asyncio
|
||||
import pytest
|
||||
import os
|
||||
import json
|
||||
import tempfile
|
||||
from pathlib import Path
|
||||
from crawl4ai import AsyncWebCrawler, BrowserConfig, CrawlerRunConfig, CacheMode
|
||||
from crawl4ai import JsonCssExtractionStrategy, LLMExtractionStrategy, LLMConfig
|
||||
from crawl4ai.content_filter_strategy import BM25ContentFilter
|
||||
from crawl4ai.markdown_generation_strategy import DefaultMarkdownGenerator
|
||||
from crawl4ai.async_url_seeder import AsyncUrlSeeder
|
||||
from crawl4ai.utils import RobotsParser
|
||||
|
||||
|
||||
class TestCrawl4AIv070:
|
||||
"""Test suite for Crawl4AI v0.7.0 changes"""
|
||||
|
||||
@pytest.mark.asyncio
|
||||
async def test_raw_url_parsing(self):
|
||||
"""Test raw:// URL parsing logic fix"""
|
||||
html_content = "<html><body><h1>Test Content</h1><p>This is a test paragraph.</p></body></html>"
|
||||
|
||||
async with AsyncWebCrawler() as crawler:
|
||||
# Test raw:// prefix
|
||||
result1 = await crawler.arun(f"raw://{html_content}")
|
||||
assert result1.success
|
||||
assert "Test Content" in result1.markdown
|
||||
|
||||
# Test raw: prefix
|
||||
result2 = await crawler.arun(f"raw:{html_content}")
|
||||
assert result2.success
|
||||
assert "Test Content" in result2.markdown
|
||||
|
||||
@pytest.mark.asyncio
|
||||
async def test_max_pages_limit_batch_processing(self):
|
||||
"""Test max_pages limit is respected during batch processing"""
|
||||
urls = [
|
||||
"https://httpbin.org/html",
|
||||
"https://httpbin.org/json",
|
||||
"https://httpbin.org/xml"
|
||||
]
|
||||
|
||||
config = CrawlerRunConfig(
|
||||
cache_mode=CacheMode.BYPASS,
|
||||
max_pages=2
|
||||
)
|
||||
|
||||
async with AsyncWebCrawler() as crawler:
|
||||
results = await crawler.arun_many(urls, config=config)
|
||||
# Should only process 2 pages due to max_pages limit
|
||||
successful_results = [r for r in results if r.success]
|
||||
assert len(successful_results) <= 2
|
||||
|
||||
@pytest.mark.asyncio
|
||||
async def test_navigation_abort_handling(self):
|
||||
"""Test handling of navigation aborts during file downloads"""
|
||||
async with AsyncWebCrawler() as crawler:
|
||||
# Test with a URL that might cause navigation issues
|
||||
result = await crawler.arun(
|
||||
"https://httpbin.org/status/404",
|
||||
config=CrawlerRunConfig(cache_mode=CacheMode.BYPASS)
|
||||
)
|
||||
# Should not crash even with navigation issues
|
||||
assert result is not None
|
||||
|
||||
@pytest.mark.asyncio
|
||||
async def test_screenshot_capture_fix(self):
|
||||
"""Test screenshot capture improvements"""
|
||||
config = CrawlerRunConfig(
|
||||
cache_mode=CacheMode.BYPASS,
|
||||
screenshot=True
|
||||
)
|
||||
|
||||
async with AsyncWebCrawler() as crawler:
|
||||
result = await crawler.arun("https://httpbin.org/html", config=config)
|
||||
assert result.success
|
||||
assert result.screenshot is not None
|
||||
assert len(result.screenshot) > 0
|
||||
|
||||
@pytest.mark.asyncio
|
||||
async def test_redirect_status_codes(self):
|
||||
"""Test that real redirect status codes are surfaced"""
|
||||
async with AsyncWebCrawler() as crawler:
|
||||
# Test with a redirect URL
|
||||
result = await crawler.arun(
|
||||
"https://httpbin.org/redirect/1",
|
||||
config=CrawlerRunConfig(cache_mode=CacheMode.BYPASS)
|
||||
)
|
||||
assert result.success
|
||||
# Should have redirect information
|
||||
assert result.status_code in [200, 301, 302, 303, 307, 308]
|
||||
|
||||
@pytest.mark.asyncio
|
||||
async def test_local_file_processing(self):
|
||||
"""Test local file processing with captured_console initialization"""
|
||||
with tempfile.NamedTemporaryFile(mode='w', suffix='.html', delete=False) as f:
|
||||
f.write("<html><body><h1>Local File Test</h1></body></html>")
|
||||
temp_file = f.name
|
||||
|
||||
try:
|
||||
async with AsyncWebCrawler() as crawler:
|
||||
result = await crawler.arun(f"file://{temp_file}")
|
||||
assert result.success
|
||||
assert "Local File Test" in result.markdown
|
||||
finally:
|
||||
os.unlink(temp_file)
|
||||
|
||||
@pytest.mark.asyncio
|
||||
async def test_robots_txt_wildcard_support(self):
|
||||
"""Test robots.txt wildcard rules support"""
|
||||
parser = RobotsParser()
|
||||
|
||||
# Test wildcard patterns
|
||||
robots_content = "User-agent: *\nDisallow: /admin/*\nDisallow: *.pdf"
|
||||
|
||||
# This should work without throwing exceptions
|
||||
assert parser is not None
|
||||
|
||||
@pytest.mark.asyncio
|
||||
async def test_exclude_external_images(self):
|
||||
"""Test exclude_external_images flag"""
|
||||
html_with_images = '''
|
||||
<html><body>
|
||||
<img src="/local-image.jpg" alt="Local">
|
||||
<img src="https://external.com/image.jpg" alt="External">
|
||||
</body></html>
|
||||
'''
|
||||
|
||||
config = CrawlerRunConfig(
|
||||
cache_mode=CacheMode.BYPASS,
|
||||
exclude_external_images=True
|
||||
)
|
||||
|
||||
async with AsyncWebCrawler() as crawler:
|
||||
result = await crawler.arun(f"raw://{html_with_images}", config=config)
|
||||
assert result.success
|
||||
# External images should be excluded
|
||||
assert "external.com" not in result.cleaned_html
|
||||
|
||||
@pytest.mark.asyncio
|
||||
async def test_llm_extraction_strategy_fix(self):
|
||||
"""Test LLM extraction strategy choices error fix"""
|
||||
if not os.getenv("OPENAI_API_KEY"):
|
||||
pytest.skip("OpenAI API key not available")
|
||||
|
||||
llm_config = LLMConfig(
|
||||
provider="openai/gpt-4o-mini",
|
||||
api_token=os.getenv("OPENAI_API_KEY")
|
||||
)
|
||||
|
||||
strategy = LLMExtractionStrategy(
|
||||
llm_config=llm_config,
|
||||
instruction="Extract the main heading",
|
||||
extraction_type="block"
|
||||
)
|
||||
|
||||
config = CrawlerRunConfig(
|
||||
cache_mode=CacheMode.BYPASS,
|
||||
extraction_strategy=strategy
|
||||
)
|
||||
|
||||
async with AsyncWebCrawler() as crawler:
|
||||
result = await crawler.arun("https://httpbin.org/html", config=config)
|
||||
assert result.success
|
||||
# Should not throw 'str' object has no attribute 'choices' error
|
||||
assert result.extracted_content is not None
|
||||
|
||||
@pytest.mark.asyncio
|
||||
async def test_wait_for_timeout(self):
|
||||
"""Test separate timeout for wait_for condition"""
|
||||
config = CrawlerRunConfig(
|
||||
cache_mode=CacheMode.BYPASS,
|
||||
wait_for="css:non-existent-element",
|
||||
wait_for_timeout=1000 # 1 second timeout
|
||||
)
|
||||
|
||||
async with AsyncWebCrawler() as crawler:
|
||||
result = await crawler.arun("https://httpbin.org/html", config=config)
|
||||
# Should timeout gracefully and still return result
|
||||
assert result is not None
|
||||
|
||||
@pytest.mark.asyncio
|
||||
async def test_bm25_content_filter_language_parameter(self):
|
||||
"""Test BM25 filter with language parameter for stemming"""
|
||||
content_filter = BM25ContentFilter(
|
||||
user_query="test content",
|
||||
language="english",
|
||||
use_stemming=True
|
||||
)
|
||||
|
||||
markdown_generator = DefaultMarkdownGenerator(
|
||||
content_filter=content_filter
|
||||
)
|
||||
|
||||
config = CrawlerRunConfig(
|
||||
cache_mode=CacheMode.BYPASS,
|
||||
markdown_generator=markdown_generator
|
||||
)
|
||||
|
||||
async with AsyncWebCrawler() as crawler:
|
||||
result = await crawler.arun("https://httpbin.org/html", config=config)
|
||||
assert result.success
|
||||
assert result.markdown is not None
|
||||
|
||||
@pytest.mark.asyncio
|
||||
async def test_url_normalization(self):
|
||||
"""Test URL normalization for invalid schemes and trailing slashes"""
|
||||
async with AsyncWebCrawler() as crawler:
|
||||
# Test with trailing slash
|
||||
result = await crawler.arun(
|
||||
"https://httpbin.org/html/",
|
||||
config=CrawlerRunConfig(cache_mode=CacheMode.BYPASS)
|
||||
)
|
||||
assert result.success
|
||||
|
||||
@pytest.mark.asyncio
|
||||
async def test_max_scroll_steps(self):
|
||||
"""Test max_scroll_steps parameter for full page scanning"""
|
||||
config = CrawlerRunConfig(
|
||||
cache_mode=CacheMode.BYPASS,
|
||||
scan_full_page=True,
|
||||
max_scroll_steps=3
|
||||
)
|
||||
|
||||
async with AsyncWebCrawler() as crawler:
|
||||
result = await crawler.arun("https://httpbin.org/html", config=config)
|
||||
assert result.success
|
||||
|
||||
@pytest.mark.asyncio
|
||||
async def test_async_url_seeder(self):
|
||||
"""Test AsyncUrlSeeder functionality"""
|
||||
seeder = AsyncUrlSeeder(
|
||||
base_url="https://httpbin.org",
|
||||
max_depth=1,
|
||||
max_urls=5
|
||||
)
|
||||
|
||||
async with AsyncWebCrawler() as crawler:
|
||||
urls = await seeder.seed(crawler)
|
||||
assert isinstance(urls, list)
|
||||
assert len(urls) <= 5
|
||||
|
||||
@pytest.mark.asyncio
|
||||
async def test_pdf_processing_timeout(self):
|
||||
"""Test PDF processing with timeout"""
|
||||
config = CrawlerRunConfig(
|
||||
cache_mode=CacheMode.BYPASS,
|
||||
pdf=True,
|
||||
pdf_timeout=10000 # 10 seconds
|
||||
)
|
||||
|
||||
async with AsyncWebCrawler() as crawler:
|
||||
result = await crawler.arun("https://httpbin.org/html", config=config)
|
||||
assert result.success
|
||||
# PDF might be None for HTML pages, but should not hang
|
||||
assert result.pdf is not None or result.pdf is None
|
||||
|
||||
@pytest.mark.asyncio
|
||||
async def test_browser_session_management(self):
|
||||
"""Test improved browser session management"""
|
||||
browser_config = BrowserConfig(
|
||||
headless=True,
|
||||
use_persistent_context=True
|
||||
)
|
||||
|
||||
async with AsyncWebCrawler(config=browser_config) as crawler:
|
||||
result = await crawler.arun(
|
||||
"https://httpbin.org/html",
|
||||
config=CrawlerRunConfig(cache_mode=CacheMode.BYPASS)
|
||||
)
|
||||
assert result.success
|
||||
|
||||
@pytest.mark.asyncio
|
||||
async def test_memory_management(self):
|
||||
"""Test memory management features"""
|
||||
config = CrawlerRunConfig(
|
||||
cache_mode=CacheMode.BYPASS,
|
||||
memory_threshold_percent=80.0,
|
||||
check_interval=1.0,
|
||||
memory_wait_timeout=600 # 10 minutes default
|
||||
)
|
||||
|
||||
async with AsyncWebCrawler() as crawler:
|
||||
result = await crawler.arun("https://httpbin.org/html", config=config)
|
||||
assert result.success
|
||||
|
||||
@pytest.mark.asyncio
|
||||
async def test_virtual_scroll_support(self):
|
||||
"""Test virtual scroll support for modern web scraping"""
|
||||
config = CrawlerRunConfig(
|
||||
cache_mode=CacheMode.BYPASS,
|
||||
scan_full_page=True,
|
||||
virtual_scroll=True
|
||||
)
|
||||
|
||||
async with AsyncWebCrawler() as crawler:
|
||||
result = await crawler.arun("https://httpbin.org/html", config=config)
|
||||
assert result.success
|
||||
|
||||
@pytest.mark.asyncio
|
||||
async def test_adaptive_crawling(self):
|
||||
"""Test adaptive crawling feature"""
|
||||
config = CrawlerRunConfig(
|
||||
cache_mode=CacheMode.BYPASS,
|
||||
adaptive_crawling=True
|
||||
)
|
||||
|
||||
async with AsyncWebCrawler() as crawler:
|
||||
result = await crawler.arun("https://httpbin.org/html", config=config)
|
||||
assert result.success
|
||||
|
||||
|
||||
if __name__ == "__main__":
|
||||
# Run the tests
|
||||
pytest.main([__file__, "-v"])
|
||||
Reference in New Issue
Block a user