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-rw-r--r--Lib/distutils/util.py10
1 files changed, 7 insertions, 3 deletions
diff --git a/Lib/distutils/util.py b/Lib/distutils/util.py
index 8c3c8df..12775d6 100644
--- a/Lib/distutils/util.py
+++ b/Lib/distutils/util.py
@@ -209,9 +209,12 @@ def grok_environment_error (exc, prefix="error: "):
# Needed by 'split_quoted()'
-_wordchars_re = re.compile(r'[^\\\'\"%s ]*' % string.whitespace)
-_squote_re = re.compile(r"'(?:[^'\\]|\\.)*'")
-_dquote_re = re.compile(r'"(?:[^"\\]|\\.)*"')
+_wordchars_re = _squote_re = _dquote_re = None
+def _init_regex():
+ global _wordchars_re, _squote_re, _dquote_re
+ _wordchars_re = re.compile(r'[^\\\'\"%s ]*' % string.whitespace)
+ _squote_re = re.compile(r"'(?:[^'\\]|\\.)*'")
+ _dquote_re = re.compile(r'"(?:[^"\\]|\\.)*"')
def split_quoted (s):
"""Split a string up according to Unix shell-like rules for quotes and
@@ -227,6 +230,7 @@ def split_quoted (s):
# This is a nice algorithm for splitting up a single string, since it
# doesn't require character-by-character examination. It was a little
# bit of a brain-bender to get it working right, though...
+ if _wordchars_re is None: _init_regex()
s = string.strip(s)
words = []