o ?8¾\Ãã@sDdZddlZddlmZddlmZmZdd„ZGdd„deƒZ dS) z4Tools for representing MongoDB regular expressions. éN)ÚRE_TYPE)Ú string_typeÚ text_typecCstd}d|vr |tjO}d|vr|tjO}d|vr|tjO}d|vr&|tjO}d|vr/|tjO}d|vr8|tjO}|S)NrÚiÚlÚmÚsÚuÚx)ÚreÚ IGNORECASEÚLOCALEÚ MULTILINEÚDOTALLÚUNICODEÚVERBOSE)Ú str_flagsÚflags©rú>> pattern = re.compile('.*') >>> regex = Regex.from_native(pattern) >>> regex.flags ^= re.UNICODE >>> db.collection.insert({'pattern': regex}) :Parameters: - `regex`: A regular expression object from ``re.compile()``. .. warning:: Python regular expressions use a different syntax and different set of flags than MongoDB, which uses `PCRE`_. A regular expression retrieved from the server may not compile in Python, or may match a different set of strings in Python than when used in a MongoDB query. .. _PCRE: http://www.pcre.org/ z3regex must be a compiled regular expression, not %s)Ú isinstancerÚ TypeErrorÚtyperÚpatternr)ÚclsÚregexrrrÚ from_native.s ÿÿzRegex.from_nativercCs`t|ttfƒstdt|ƒƒ‚||_t|tƒrt|ƒ|_dSt|t ƒr(||_dStdt|ƒƒ‚)apBSON regular expression data. This class is useful to store and retrieve regular expressions that are incompatible with Python's regular expression dialect. :Parameters: - `pattern`: string - `flags`: (optional) an integer bitmask, or a string of flag characters like "im" for IGNORECASE and MULTILINE z pattern must be a string, not %sz%flags must be a string or int, not %sN) rrÚbytesrrrrrrÚint)ÚselfrrrrrÚ__init__Ns     ÿzRegex.__init__cCs&t|tƒr|j|jko|j|jkStS©N)rrrrÚNotImplemented©r"ÚotherrrrÚ__eq__es z Regex.__eq__NcCs ||k Sr$rr&rrrÚ__ne__ms z Regex.__ne__cCsd|j|jfS)Nz Regex(%r, %r))rr©r"rrrÚ__repr__pszRegex.__repr__cCst |j|j¡S)aCompile this :class:`Regex` as a Python regular expression. .. warning:: Python regular expressions use a different syntax and different set of flags than MongoDB, which uses `PCRE`_. A regular expression retrieved from the server may not compile in Python, or may match a different set of strings in Python than when used in a MongoDB query. :meth:`try_compile()` may raise :exc:`re.error`. .. _PCRE: http://www.pcre.org/ )r Úcompilerrr*rrrÚ try_compiless zRegex.try_compile)r) Ú__name__Ú __module__Ú __qualname__Ú__doc__Ú _type_markerÚ classmethodrr#r(Ú__hash__r)r+r-rrrrr*s   r) r1r Úbson.sonrÚbson.py3compatrrrÚobjectrrrrrÚs