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bugfix #40: don't try to color non-matching groups

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Charles Lewis 2013-06-10 21:45:04 -04:00
commit 6a6d8f8d62
1 changed files with 4 additions and 2 deletions
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6
colout/colout.py
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@ -484,8 +484,10 @@ def colorup(text, pattern, color="red", style="normal", on_groups=False):
# but that match.start(0) refers to the whole match, the groups being indexed in [1,n].
# Thus, we need to range in [1,n+1[.
for group in range(1, nb_groups+1):
partial, end = colorout(text, match, end, group_colors[group-1], group_styles[group-1], group)
colored_text += partial
# If a group didn't match, there's nothing to color
if match.group(group) is not None:
partial, end = colorout(text, match, end, group_colors[group-1], group_styles[group-1], group)
colored_text += partial
# Append the remaining part of the text, if any.
colored_text += text[end:]