diff options
Diffstat (limited to 'Lib/sre_parse.py')
| -rw-r--r-- | Lib/sre_parse.py | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/Lib/sre_parse.py b/Lib/sre_parse.py index 8d9a09a860d..1a7d3162532 100644 --- a/Lib/sre_parse.py +++ b/Lib/sre_parse.py @@ -751,6 +751,11 @@ def _parse(source, state): def fix_flags(src, flags): # Check and fix flags according to the type of pattern (str or bytes) if isinstance(src, str): + if flags & SRE_FLAG_LOCALE: + import warnings + warnings.warn("LOCALE flag with a str pattern is deprecated. " + "Will be an error in 3.6", + DeprecationWarning, stacklevel=6) if not flags & SRE_FLAG_ASCII: flags |= SRE_FLAG_UNICODE elif flags & SRE_FLAG_UNICODE: @@ -758,6 +763,11 @@ def fix_flags(src, flags): else: if flags & SRE_FLAG_UNICODE: raise ValueError("can't use UNICODE flag with a bytes pattern") + if flags & SRE_FLAG_LOCALE and flags & SRE_FLAG_ASCII: + import warnings + warnings.warn("ASCII and LOCALE flags are incompatible. " + "Will be an error in 3.6", + DeprecationWarning, stacklevel=6) return flags def parse(str, flags=0, pattern=None): |