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Clearer code in filter_file.

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This commit is contained in:
Todd Gamblin 2014-12-25 16:07:39 -08:00
parent 7b71e6fb5a
commit 20388ece86
1 changed files with 5 additions and 2 deletions
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7
lib/spack/llnl/util/filesystem.py
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@ -63,8 +63,11 @@ def filter_file(regex, repl, *filenames, **kwargs):
# Allow strings to use \1, \2, etc. for replacement, like sed # Allow strings to use \1, \2, etc. for replacement, like sed
if not callable(repl): if not callable(repl):
unescaped = repl.replace(r'\\', '\\') unescaped = repl.replace(r'\\', '\\')
repl = lambda m: re.sub( def replace_groups_with_groupid(m):
r'\\([0-9])', lambda x: m.group(int(x.group(1))), unescaped) def groupid_to_group(x):
return m.group(int(x.group(1)))
return re.sub(r'\\([1-9])', groupid_to_group, unescaped)
repl = replace_groups_with_groupid
if string: if string:
regex = re.escape(regex) regex = re.escape(regex)