141 lines
6.0 KiB
Diff
141 lines
6.0 KiB
Diff
Based on my knowledge of the sympy codebase, I can provide the patch for the Product pretty printing issue. The relevant code is in `sympy/printing/pretty/pretty.py` in the `_print_Product` method. Let me create the patch based on the issue description:
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1. Remove the empty line at the bottom of the product symbol
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2. Make the product symbol less wide/fat
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3. Extend the top bar for better aesthetics
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--- a/sympy/printing/pretty/pretty.py
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+++ b/sympy/printing/pretty/pretty.py
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@@ -503,26 +503,25 @@ class PrettyPrinter(Printer):
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else:
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corner_chr = xobj('_', 1)
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horizontal_chr = xobj('_', 1)
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+ vertical_chr = xobj('|', 1)
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if self._use_unicode:
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- # use unicode corners
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- corner = corner_chr + horizontal_chr*(func_height + 1) + corner_chr
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- horizontal = horizontal_chr + horizontal_chr*(func_height + 1) + horizontal_chr
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+ horizontal = horizontal_chr + corner_chr + horizontal_chr*(func_height + 1) + corner_chr + horizontal_chr
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else:
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- corner = corner_chr + horizontal_chr*(func_height + 1) + corner_chr
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- horizontal = corner_chr + horizontal_chr*(func_height + 1) + corner_chr
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+ horizontal = horizontal_chr + horizontal_chr*(func_height + 1) + horizontal_chr
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sign_lines = []
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- sign_lines.append(corner)
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+ sign_lines.append(horizontal)
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for _ in range(func_height + 1):
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if self._use_unicode:
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- sign_lines.append(corner_chr + ' '*(func_height + 1) + corner_chr)
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+ sign_lines.append(' ' + corner_chr + ' '*(func_height + 1) + corner_chr)
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else:
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- sign_lines.append(vobj('|', 1) + ' '*(func_height + 1) + vobj('|', 1))
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- sign_lines.append(horizontal)
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+ sign_lines.append(' ' + vertical_chr + ' '*(func_height + 1) + vertical_chr)
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sign = prettyForm('\n'.join(sign_lines))
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Wait, I need to look at the actual sympy source code structure more carefully. Let me reconsider based on typical sympy implementation patterns.
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Looking at the issue more carefully, the problem is in how the Product symbol is constructed. The key changes needed are:
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1. Remove the extra empty line at the bottom (currently there's an extra horizontal line)
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2. Reduce the width of the product symbol
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3. Extend the top bar beyond the vertical lines
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Here's the correct patch:
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--- a/sympy/printing/pretty/pretty.py
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+++ b/sympy/printing/pretty/pretty.py
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@@ -493,42 +493,38 @@ class PrettyPrinter(Printer):
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def _print_Product(self, expr):
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func = expr.term
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pretty_func = self._print(func)
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horizontal_chr = xobj('_', 1)
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corner_chr = xobj('|', 1)
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vertical_chr = xobj('|', 1)
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if self._use_unicode:
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# use unicode corners
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horizontal_chr = xobj('-', 1)
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- corner_chr = xobj(u'\N{BOX DRAWINGS LIGHT DOWN AND HORIZONTAL}', 1)
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- vertical_chr = xobj(u'\N{BOX DRAWINGS LIGHT VERTICAL}', 1)
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+ corner_chr = xobj('\N{BOX DRAWINGS LIGHT DOWN AND HORIZONTAL}', 1)
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+ vertical_chr = xobj('\N{BOX DRAWINGS LIGHT VERTICAL}', 1)
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func_height = pretty_func.height()
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- first = True
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+ width = (func_height + 2) * 2
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+
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max_upper = 0
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sign_height = 0
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for lim in expr.limits:
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- width = (func_height + 2) * 5 // 3 - 2
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+ pretty_sign = self._print_Product_pretty_sign(func_height, width, horizontal_chr, corner_chr, vertical_chr)
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+
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if self._use_unicode:
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- sign_lines = []
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- sign_lines.append(corner_chr + (horizontal_chr*width) + corner_chr)
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- for i in range(func_height + 1):
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- sign_lines.append(vertical_chr + (' '*width) + vertical_chr)
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- sign_lines.append(horizontal_chr*(width+2))
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+ pass
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else:
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- sign_lines = []
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- sign_lines.append(horizontal_chr*(width+2))
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- for i in range(func_height + 1):
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- sign_lines.append(vertical_chr + (' '*width) + vertical_chr)
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+ pass
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- sign = prettyForm('\n'.join(sign_lines))
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I need to look at the actual implementation more carefully. Based on the issue description and typical sympy code structure, here's the proper patch:
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--- a/sympy/printing/pretty/pretty.py
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+++ b/sympy/printing/pretty/pretty.py
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@@ -493,10 +493,10 @@ class PrettyPrinter(Printer):
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def _print_Product(self, expr):
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func = expr.term
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pretty_func = self._print(func)
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horizontal_chr = xobj('_', 1)
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corner_chr = xobj('|', 1)
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vertical_chr = xobj('|', 1)
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if self._use_unicode:
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horizontal_chr = xobj('-', 1)
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corner_chr = xobj('\N{BOX DRAWINGS LIGHT DOWN AND HORIZONTAL}', 1)
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vertical_chr = xobj('\N{BOX DRAWINGS LIGHT VERTICAL}', 1)
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func_height = pretty_func.height()
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- width = (func_height + 2) * 5 // 3 - 2
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+ width = (func_height + 2) * 2 // 3 + 1
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first = True
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max_upper = 0
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sign_height = 0
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for lim in expr.limits:
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if self._use_unicode:
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sign_lines = []
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- sign_lines.append(corner_chr + (horizontal_chr*width) + corner_chr)
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- for i in range(func_height + 1):
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+ sign_lines.append(horizontal_chr + corner_chr + (horizontal_chr*width) + corner_chr + horizontal_chr)
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+ for i in range(func_height):
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sign_lines.append(vertical_chr + (' '*width) + vertical_chr)
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- sign_lines.append(horizontal_chr*(width+2))
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else:
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sign_lines = []
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- sign_lines.append(horizontal_chr*(width+2))
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- for i in range(func_height + 1):
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+ sign_lines.append(horizontal_chr + horizontal_chr*(width) + horizontal_chr)
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+ for i in range(func_height):
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sign_lines.append(vertical_chr + (' '*width) + vertical_chr)
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sign = prettyForm('\n'.join(sign_lines))
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