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| author | Serhiy Storchaka <storchaka@gmail.com> | 2017-05-05 05:53:40 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2017-05-05 05:53:40 (GMT) |
| commit | 898ff03e1e7925ecde3da66327d3cdc7e07625ba (patch) | |
| tree | 977fc4b98c0e85816348cebd3b12026407c368b6 /Lib/sre_compile.py | |
| parent | 647c3d381e67490e82cdbbe6c96e46d5e1628ce2 (diff) | |
| download | cpython-898ff03e1e7925ecde3da66327d3cdc7e07625ba.zip cpython-898ff03e1e7925ecde3da66327d3cdc7e07625ba.tar.gz cpython-898ff03e1e7925ecde3da66327d3cdc7e07625ba.tar.bz2 | |
bpo-30215: Make re.compile() locale agnostic. (#1361)
Compiled regular expression objects with the re.LOCALE flag no longer
depend on the locale at compile time. Only the locale at matching
time affects the result of matching.
Diffstat (limited to 'Lib/sre_compile.py')
| -rw-r--r-- | Lib/sre_compile.py | 24 |
1 files changed, 15 insertions, 9 deletions
diff --git a/Lib/sre_compile.py b/Lib/sre_compile.py index 2cc3900..d7ee4e8 100644 --- a/Lib/sre_compile.py +++ b/Lib/sre_compile.py @@ -78,7 +78,13 @@ def _compile(code, pattern, flags): fixes = None for op, av in pattern: if op in LITERAL_CODES: - if flags & SRE_FLAG_IGNORECASE: + if not flags & SRE_FLAG_IGNORECASE: + emit(op) + emit(av) + elif flags & SRE_FLAG_LOCALE: + emit(OP_LOC_IGNORE[op]) + emit(av) + else: lo = _sre.getlower(av, flags) if fixes and lo in fixes: emit(IN_IGNORE) @@ -93,17 +99,17 @@ def _compile(code, pattern, flags): else: emit(OP_IGNORE[op]) emit(lo) - else: - emit(op) - emit(av) elif op is IN: - if flags & SRE_FLAG_IGNORECASE: - emit(OP_IGNORE[op]) - def fixup(literal, flags=flags): - return _sre.getlower(literal, flags) - else: + if not flags & SRE_FLAG_IGNORECASE: emit(op) fixup = None + elif flags & SRE_FLAG_LOCALE: + emit(IN_LOC_IGNORE) + fixup = None + else: + emit(IN_IGNORE) + def fixup(literal, flags=flags): + return _sre.getlower(literal, flags) skip = _len(code); emit(0) _compile_charset(av, flags, code, fixup, fixes) code[skip] = _len(code) - skip |