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| author | Serhiy Storchaka <storchaka@gmail.com> | 2016-09-16 22:29:58 (GMT) |
|---|---|---|
| committer | Serhiy Storchaka <storchaka@gmail.com> | 2016-09-16 22:29:58 (GMT) |
| commit | abf275af5804c5f76fbe10c5cb1dd3d2e4b04c5b (patch) | |
| tree | d5d1e22046efaa0a779f4a387ba8622b900234fe /Lib/sre_parse.py | |
| parent | 8761e59f360baefd4cead71d77de48ed91c3cfb7 (diff) | |
| download | cpython-abf275af5804c5f76fbe10c5cb1dd3d2e4b04c5b.zip cpython-abf275af5804c5f76fbe10c5cb1dd3d2e4b04c5b.tar.gz cpython-abf275af5804c5f76fbe10c5cb1dd3d2e4b04c5b.tar.bz2 | |
Issue #22493: Warning message emitted by using inline flags in the middle of
regular expression now contains a (truncated) regex pattern.
Patch by Tim Graham.
Diffstat (limited to 'Lib/sre_parse.py')
| -rw-r--r-- | Lib/sre_parse.py | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/Lib/sre_parse.py b/Lib/sre_parse.py index 4a77f0c..3d38673 100644 --- a/Lib/sre_parse.py +++ b/Lib/sre_parse.py @@ -735,8 +735,13 @@ def _parse(source, state, verbose): if flags is None: # global flags if pos != 3: # "(?x" import warnings - warnings.warn('Flags not at the start of the expression', - DeprecationWarning, stacklevel=7) + warnings.warn( + 'Flags not at the start of the expression %s%s' % ( + source.string[:20], # truncate long regexes + ' (truncated)' if len(source.string) > 20 else '', + ), + DeprecationWarning, stacklevel=7 + ) continue add_flags, del_flags = flags group = None |