Python sre_compile 模块,isstring() 实例源码

我们从Python开源项目中,提取了以下50个代码示例,用于说明如何使用sre_compile.isstring()

项目:web_ctp    作者:molebot    | 项目源码 | 文件源码
def _compile(pattern, flags):
    # internal: compile pattern
    try:
        #fixme brython
        #return _cache[type(pattern), pattern, flags]
        return _cache["%s:%s:%s" % (type(pattern), pattern, flags)]
    except KeyError:
       pass
    #print(pattern)
    if isinstance(pattern, _pattern_type):
        if flags:
            raise ValueError(
                "Cannot process flags argument with a compiled pattern")
        return pattern
    if not sre_compile.isstring(pattern):
        raise TypeError("first argument must be string or compiled pattern")
    p = sre_compile.compile(pattern, flags)
    #print('_compile', p)
    if len(_cache) >= _MAXCACHE:
        _cache.clear()
    #fix me brython
    #_cache[type(pattern), pattern, flags] = p
    _cache["%s:%s:%s" % (type(pattern), pattern, flags)]= p
    return p
项目:PornGuys    作者:followloda    | 项目源码 | 文件源码
def _compile(*key):
    # internal: compile pattern
    cachekey = (type(key[0]),) + key
    p = _cache.get(cachekey)
    if p is not None:
        return p
    pattern, flags = key
    if isinstance(pattern, _pattern_type):
        if flags:
            raise ValueError('Cannot process flags argument with a compiled pattern')
        return pattern
    if not sre_compile.isstring(pattern):
        raise TypeError, "first argument must be string or compiled pattern"
    try:
        p = sre_compile.compile(pattern, flags)
    except error, v:
        raise error, v # invalid expression
    if len(_cache) >= _MAXCACHE:
        _cache.clear()
    _cache[cachekey] = p
    return p
项目:ndk-python    作者:gittor    | 项目源码 | 文件源码
def _compile(*key):
    # internal: compile pattern
    cachekey = (type(key[0]),) + key
    p = _cache.get(cachekey)
    if p is not None:
        return p
    pattern, flags = key
    if isinstance(pattern, _pattern_type):
        if flags:
            raise ValueError('Cannot process flags argument with a compiled pattern')
        return pattern
    if not sre_compile.isstring(pattern):
        raise TypeError, "first argument must be string or compiled pattern"
    try:
        p = sre_compile.compile(pattern, flags)
    except error, v:
        raise error, v # invalid expression
    if len(_cache) >= _MAXCACHE:
        _cache.clear()
    _cache[cachekey] = p
    return p
项目:pmatic    作者:LarsMichelsen    | 项目源码 | 文件源码
def _compile(*key):
    # internal: compile pattern
    cachekey = (type(key[0]),) + key
    p = _cache.get(cachekey)
    if p is not None:
        return p
    pattern, flags = key
    if isinstance(pattern, _pattern_type):
        if flags:
            raise ValueError('Cannot process flags argument with a compiled pattern')
        return pattern
    if not sre_compile.isstring(pattern):
        raise TypeError, "first argument must be string or compiled pattern"
    try:
        p = sre_compile.compile(pattern, flags)
    except error, v:
        raise error, v # invalid expression
    if len(_cache) >= _MAXCACHE:
        _cache.clear()
    _cache[cachekey] = p
    return p
项目:kbe_server    作者:xiaohaoppy    | 项目源码 | 文件源码
def _compile(pattern, flags):
    # internal: compile pattern
    bypass_cache = flags & DEBUG
    if not bypass_cache:
        try:
            return _cache[type(pattern), pattern, flags]
        except KeyError:
            pass
    if isinstance(pattern, _pattern_type):
        if flags:
            raise ValueError(
                "Cannot process flags argument with a compiled pattern")
        return pattern
    if not sre_compile.isstring(pattern):
        raise TypeError("first argument must be string or compiled pattern")
    p = sre_compile.compile(pattern, flags)
    if not bypass_cache:
        if len(_cache) >= _MAXCACHE:
            _cache.clear()
        _cache[type(pattern), pattern, flags] = p
    return p
项目:python-    作者:secondtonone1    | 项目源码 | 文件源码
def _compile(pattern, flags):
    # internal: compile pattern
    try:
        p, loc = _cache[type(pattern), pattern, flags]
        if loc is None or loc == _locale.setlocale(_locale.LC_CTYPE):
            return p
    except KeyError:
        pass
    if isinstance(pattern, _pattern_type):
        if flags:
            raise ValueError(
                "cannot process flags argument with a compiled pattern")
        return pattern
    if not sre_compile.isstring(pattern):
        raise TypeError("first argument must be string or compiled pattern")
    p = sre_compile.compile(pattern, flags)
    if not (flags & DEBUG):
        if len(_cache) >= _MAXCACHE:
            _cache.clear()
        if p.flags & LOCALE:
            if not _locale:
                return p
            loc = _locale.setlocale(_locale.LC_CTYPE)
        else:
            loc = None
        _cache[type(pattern), pattern, flags] = p, loc
    return p
项目:swjtu-pyscraper    作者:Desgard    | 项目源码 | 文件源码
def _compile(*key):
    # internal: compile pattern
    pattern, flags = key
    bypass_cache = flags & DEBUG
    if not bypass_cache:
        cachekey = (type(key[0]),) + key
        try:
            p, loc = _cache[cachekey]
            if loc is None or loc == _locale.setlocale(_locale.LC_CTYPE):
                return p
        except KeyError:
            pass
    if isinstance(pattern, _pattern_type):
        if flags:
            raise ValueError('Cannot process flags argument with a compiled pattern')
        return pattern
    if not sre_compile.isstring(pattern):
        raise TypeError, "first argument must be string or compiled pattern"
    try:
        p = sre_compile.compile(pattern, flags)
    except error, v:
        raise error, v # invalid expression
    if not bypass_cache:
        if len(_cache) >= _MAXCACHE:
            _cache.clear()
        if p.flags & LOCALE:
            if not _locale:
                return p
            loc = _locale.setlocale(_locale.LC_CTYPE)
        else:
            loc = None
        _cache[cachekey] = p, loc
    return p
项目:hostapd-mana    作者:adde88    | 项目源码 | 文件源码
def _compile(*key):
    # internal: compile pattern
    pattern, flags = key
    bypass_cache = flags & DEBUG
    if not bypass_cache:
        cachekey = (type(key[0]),) + key
        try:
            p, loc = _cache[cachekey]
            if loc is None or loc == _locale.setlocale(_locale.LC_CTYPE):
                return p
        except KeyError:
            pass
    if isinstance(pattern, _pattern_type):
        if flags:
            raise ValueError('Cannot process flags argument with a compiled pattern')
        return pattern
    if not sre_compile.isstring(pattern):
        raise TypeError, "first argument must be string or compiled pattern"
    try:
        p = sre_compile.compile(pattern, flags)
    except error, v:
        raise error, v # invalid expression
    if not bypass_cache:
        if len(_cache) >= _MAXCACHE:
            _cache.clear()
        if p.flags & LOCALE:
            if not _locale:
                return p
            loc = _locale.setlocale(_locale.LC_CTYPE)
        else:
            loc = None
        _cache[cachekey] = p, loc
    return p
项目:Sci-Finder    作者:snverse    | 项目源码 | 文件源码
def _compile(*key):
    # internal: compile pattern
    pattern, flags = key
    bypass_cache = flags & DEBUG
    if not bypass_cache:
        cachekey = (type(key[0]),) + key
        try:
            p, loc = _cache[cachekey]
            if loc is None or loc == _locale.setlocale(_locale.LC_CTYPE):
                return p
        except KeyError:
            pass
    if isinstance(pattern, _pattern_type):
        if flags:
            raise ValueError('Cannot process flags argument with a compiled pattern')
        return pattern
    if not sre_compile.isstring(pattern):
        raise TypeError, "first argument must be string or compiled pattern"
    try:
        p = sre_compile.compile(pattern, flags)
    except error, v:
        raise error, v # invalid expression
    if not bypass_cache:
        if len(_cache) >= _MAXCACHE:
            _cache.clear()
        if p.flags & LOCALE:
            if not _locale:
                return p
            loc = _locale.setlocale(_locale.LC_CTYPE)
        else:
            loc = None
        _cache[cachekey] = p, loc
    return p
项目:Sci-Finder    作者:snverse    | 项目源码 | 文件源码
def _compile(*key):
    # internal: compile pattern
    pattern, flags = key
    bypass_cache = flags & DEBUG
    if not bypass_cache:
        cachekey = (type(key[0]),) + key
        try:
            p, loc = _cache[cachekey]
            if loc is None or loc == _locale.setlocale(_locale.LC_CTYPE):
                return p
        except KeyError:
            pass
    if isinstance(pattern, _pattern_type):
        if flags:
            raise ValueError('Cannot process flags argument with a compiled pattern')
        return pattern
    if not sre_compile.isstring(pattern):
        raise TypeError, "first argument must be string or compiled pattern"
    try:
        p = sre_compile.compile(pattern, flags)
    except error, v:
        raise error, v # invalid expression
    if not bypass_cache:
        if len(_cache) >= _MAXCACHE:
            _cache.clear()
        if p.flags & LOCALE:
            if not _locale:
                return p
            loc = _locale.setlocale(_locale.LC_CTYPE)
        else:
            loc = None
        _cache[cachekey] = p, loc
    return p
项目:ivaochdoc    作者:ivaoch    | 项目源码 | 文件源码
def _compile(pattern, flags):
    # internal: compile pattern
    try:
        p, loc = _cache[type(pattern), pattern, flags]
        if loc is None or loc == _locale.setlocale(_locale.LC_CTYPE):
            return p
    except KeyError:
        pass
    if isinstance(pattern, _pattern_type):
        if flags:
            raise ValueError(
                "cannot process flags argument with a compiled pattern")
        return pattern
    if not sre_compile.isstring(pattern):
        raise TypeError("first argument must be string or compiled pattern")
    p = sre_compile.compile(pattern, flags)
    if not (flags & DEBUG):
        if len(_cache) >= _MAXCACHE:
            _cache.clear()
        if p.flags & LOCALE:
            if not _locale:
                return p
            loc = _locale.setlocale(_locale.LC_CTYPE)
        else:
            loc = None
        _cache[type(pattern), pattern, flags] = p, loc
    return p
项目:RPoint    作者:george17-meet    | 项目源码 | 文件源码
def _compile(*key):
    # internal: compile pattern
    pattern, flags = key
    bypass_cache = flags & DEBUG
    if not bypass_cache:
        cachekey = (type(key[0]),) + key
        try:
            p, loc = _cache[cachekey]
            if loc is None or loc == _locale.setlocale(_locale.LC_CTYPE):
                return p
        except KeyError:
            pass
    if isinstance(pattern, _pattern_type):
        if flags:
            raise ValueError('Cannot process flags argument with a compiled pattern')
        return pattern
    if not sre_compile.isstring(pattern):
        raise TypeError, "first argument must be string or compiled pattern"
    try:
        p = sre_compile.compile(pattern, flags)
    except error, v:
        raise error, v # invalid expression
    if not bypass_cache:
        if len(_cache) >= _MAXCACHE:
            _cache.clear()
        if p.flags & LOCALE:
            if not _locale:
                return p
            loc = _locale.setlocale(_locale.LC_CTYPE)
        else:
            loc = None
        _cache[cachekey] = p, loc
    return p
项目:habilitacion    作者:GabrielBD    | 项目源码 | 文件源码
def _compile(*key):
    # internal: compile pattern
    pattern, flags = key
    bypass_cache = flags & DEBUG
    if not bypass_cache:
        cachekey = (type(key[0]),) + key
        try:
            p, loc = _cache[cachekey]
            if loc is None or loc == _locale.setlocale(_locale.LC_CTYPE):
                return p
        except KeyError:
            pass
    if isinstance(pattern, _pattern_type):
        if flags:
            raise ValueError('Cannot process flags argument with a compiled pattern')
        return pattern
    if not sre_compile.isstring(pattern):
        raise TypeError, "first argument must be string or compiled pattern"
    try:
        p = sre_compile.compile(pattern, flags)
    except error, v:
        raise error, v # invalid expression
    if not bypass_cache:
        if len(_cache) >= _MAXCACHE:
            _cache.clear()
        if p.flags & LOCALE:
            if not _locale:
                return p
            loc = _locale.setlocale(_locale.LC_CTYPE)
        else:
            loc = None
        _cache[cachekey] = p, loc
    return p
项目:Intranet-Penetration    作者:yuxiaokui    | 项目源码 | 文件源码
def _compile(*key):
    # internal: compile pattern
    pattern, flags = key
    bypass_cache = flags & DEBUG
    if not bypass_cache:
        cachekey = (type(key[0]),) + key
        try:
            p, loc = _cache[cachekey]
            if loc is None or loc == _locale.setlocale(_locale.LC_CTYPE):
                return p
        except KeyError:
            pass
    if isinstance(pattern, _pattern_type):
        if flags:
            raise ValueError('Cannot process flags argument with a compiled pattern')
        return pattern
    if not sre_compile.isstring(pattern):
        raise TypeError, "first argument must be string or compiled pattern"
    try:
        p = sre_compile.compile(pattern, flags)
    except error, v:
        raise error, v # invalid expression
    if not bypass_cache:
        if len(_cache) >= _MAXCACHE:
            _cache.clear()
        if p.flags & LOCALE:
            if not _locale:
                return p
            loc = _locale.setlocale(_locale.LC_CTYPE)
        else:
            loc = None
        _cache[cachekey] = p, loc
    return p
项目:flasky    作者:RoseOu    | 项目源码 | 文件源码
def _compile(*key):
    # internal: compile pattern
    pattern, flags = key
    bypass_cache = flags & DEBUG
    if not bypass_cache:
        cachekey = (type(key[0]),) + key
        try:
            p, loc = _cache[cachekey]
            if loc is None or loc == _locale.setlocale(_locale.LC_CTYPE):
                return p
        except KeyError:
            pass
    if isinstance(pattern, _pattern_type):
        if flags:
            raise ValueError('Cannot process flags argument with a compiled pattern')
        return pattern
    if not sre_compile.isstring(pattern):
        raise TypeError, "first argument must be string or compiled pattern"
    try:
        p = sre_compile.compile(pattern, flags)
    except error, v:
        raise error, v # invalid expression
    if not bypass_cache:
        if len(_cache) >= _MAXCACHE:
            _cache.clear()
        if p.flags & LOCALE:
            if not _locale:
                return p
            loc = _locale.setlocale(_locale.LC_CTYPE)
        else:
            loc = None
        _cache[cachekey] = p, loc
    return p
项目:MKFQ    作者:maojingios    | 项目源码 | 文件源码
def _compile(*key):
    # internal: compile pattern
    pattern, flags = key
    bypass_cache = flags & DEBUG
    if not bypass_cache:
        cachekey = (type(key[0]),) + key
        try:
            p, loc = _cache[cachekey]
            if loc is None or loc == _locale.setlocale(_locale.LC_CTYPE):
                return p
        except KeyError:
            pass
    if isinstance(pattern, _pattern_type):
        if flags:
            raise ValueError('Cannot process flags argument with a compiled pattern')
        return pattern
    if not sre_compile.isstring(pattern):
        raise TypeError, "first argument must be string or compiled pattern"
    try:
        p = sre_compile.compile(pattern, flags)
    except error, v:
        raise error, v # invalid expression
    if not bypass_cache:
        if len(_cache) >= _MAXCACHE:
            _cache.clear()
        if p.flags & LOCALE:
            if not _locale:
                return p
            loc = _locale.setlocale(_locale.LC_CTYPE)
        else:
            loc = None
        _cache[cachekey] = p, loc
    return p
项目:threatdetectionservice    作者:flyballlabs    | 项目源码 | 文件源码
def _compile(*key):
    # internal: compile pattern
    pattern, flags = key
    bypass_cache = flags & DEBUG
    if not bypass_cache:
        cachekey = (type(key[0]),) + key
        try:
            p, loc = _cache[cachekey]
            if loc is None or loc == _locale.setlocale(_locale.LC_CTYPE):
                return p
        except KeyError:
            pass
    if isinstance(pattern, _pattern_type):
        if flags:
            raise ValueError('Cannot process flags argument with a compiled pattern')
        return pattern
    if not sre_compile.isstring(pattern):
        raise TypeError, "first argument must be string or compiled pattern"
    try:
        p = sre_compile.compile(pattern, flags)
    except error, v:
        raise error, v # invalid expression
    if not bypass_cache:
        if len(_cache) >= _MAXCACHE:
            _cache.clear()
        if p.flags & LOCALE:
            if not _locale:
                return p
            loc = _locale.setlocale(_locale.LC_CTYPE)
        else:
            loc = None
        _cache[cachekey] = p, loc
    return p
项目:oa_qian    作者:sunqb    | 项目源码 | 文件源码
def _compile(*key):
    # internal: compile pattern
    pattern, flags = key
    bypass_cache = flags & DEBUG
    if not bypass_cache:
        cachekey = (type(key[0]),) + key
        try:
            p, loc = _cache[cachekey]
            if loc is None or loc == _locale.setlocale(_locale.LC_CTYPE):
                return p
        except KeyError:
            pass
    if isinstance(pattern, _pattern_type):
        if flags:
            raise ValueError('Cannot process flags argument with a compiled pattern')
        return pattern
    if not sre_compile.isstring(pattern):
        raise TypeError, "first argument must be string or compiled pattern"
    try:
        p = sre_compile.compile(pattern, flags)
    except error, v:
        raise error, v # invalid expression
    if not bypass_cache:
        if len(_cache) >= _MAXCACHE:
            _cache.clear()
        if p.flags & LOCALE:
            if not _locale:
                return p
            loc = _locale.setlocale(_locale.LC_CTYPE)
        else:
            loc = None
        _cache[cachekey] = p, loc
    return p
项目:Indushell    作者:SecarmaLabs    | 项目源码 | 文件源码
def _compile(*key):
    # internal: compile pattern
    pattern, flags = key
    bypass_cache = flags & DEBUG
    if not bypass_cache:
        cachekey = (type(key[0]),) + key
        try:
            p, loc = _cache[cachekey]
            if loc is None or loc == _locale.setlocale(_locale.LC_CTYPE):
                return p
        except KeyError:
            pass
    if isinstance(pattern, _pattern_type):
        if flags:
            raise ValueError('Cannot process flags argument with a compiled pattern')
        return pattern
    if not sre_compile.isstring(pattern):
        raise TypeError, "first argument must be string or compiled pattern"
    try:
        p = sre_compile.compile(pattern, flags)
    except error, v:
        raise error, v # invalid expression
    if not bypass_cache:
        if len(_cache) >= _MAXCACHE:
            _cache.clear()
        if p.flags & LOCALE:
            if not _locale:
                return p
            loc = _locale.setlocale(_locale.LC_CTYPE)
        else:
            loc = None
        _cache[cachekey] = p, loc
    return p
项目:zippy    作者:securesystemslab    | 项目源码 | 文件源码
def _compile_typed(text_bytes_type, pattern, flags):
    # internal: compile pattern
    if isinstance(pattern, _pattern_type):
        if flags:
            raise ValueError(
                "Cannot process flags argument with a compiled pattern")
        return pattern
    if not sre_compile.isstring(pattern):
        raise TypeError("first argument must be string or compiled pattern")
    return sre_compile.compile(pattern, flags)
项目:news-for-good    作者:thecodinghub    | 项目源码 | 文件源码
def _compile(pattern, flags):
    # internal: compile pattern
    try:
        p, loc = _cache[type(pattern), pattern, flags]
        if loc is None or loc == _locale.setlocale(_locale.LC_CTYPE):
            return p
    except KeyError:
        pass
    if isinstance(pattern, _pattern_type):
        if flags:
            raise ValueError(
                "cannot process flags argument with a compiled pattern")
        return pattern
    if not sre_compile.isstring(pattern):
        raise TypeError("first argument must be string or compiled pattern")
    p = sre_compile.compile(pattern, flags)
    if not (flags & DEBUG):
        if len(_cache) >= _MAXCACHE:
            _cache.clear()
        if p.flags & LOCALE:
            if not _locale:
                return p
            loc = _locale.setlocale(_locale.LC_CTYPE)
        else:
            loc = None
        _cache[type(pattern), pattern, flags] = p, loc
    return p
项目:CaScale    作者:Thatsillogical    | 项目源码 | 文件源码
def _compile(*key):
    # internal: compile pattern
    pattern, flags = key
    bypass_cache = flags & DEBUG
    if not bypass_cache:
        cachekey = (type(key[0]),) + key
        try:
            p, loc = _cache[cachekey]
            if loc is None or loc == _locale.setlocale(_locale.LC_CTYPE):
                return p
        except KeyError:
            pass
    if isinstance(pattern, _pattern_type):
        if flags:
            raise ValueError('Cannot process flags argument with a compiled pattern')
        return pattern
    if not sre_compile.isstring(pattern):
        raise TypeError, "first argument must be string or compiled pattern"
    try:
        p = sre_compile.compile(pattern, flags)
    except error, v:
        raise error, v # invalid expression
    if not bypass_cache:
        if len(_cache) >= _MAXCACHE:
            _cache.clear()
        if p.flags & LOCALE:
            if not _locale:
                return p
            loc = _locale.setlocale(_locale.LC_CTYPE)
        else:
            loc = None
        _cache[cachekey] = p, loc
    return p
项目:chihu    作者:yelongyu    | 项目源码 | 文件源码
def _compile(*key):
    # internal: compile pattern
    pattern, flags = key
    bypass_cache = flags & DEBUG
    if not bypass_cache:
        cachekey = (type(key[0]),) + key
        try:
            p, loc = _cache[cachekey]
            if loc is None or loc == _locale.setlocale(_locale.LC_CTYPE):
                return p
        except KeyError:
            pass
    if isinstance(pattern, _pattern_type):
        if flags:
            raise ValueError('Cannot process flags argument with a compiled pattern')
        return pattern
    if not sre_compile.isstring(pattern):
        raise TypeError, "first argument must be string or compiled pattern"
    try:
        p = sre_compile.compile(pattern, flags)
    except error, v:
        raise error, v # invalid expression
    if not bypass_cache:
        if len(_cache) >= _MAXCACHE:
            _cache.clear()
        if p.flags & LOCALE:
            if not _locale:
                return p
            loc = _locale.setlocale(_locale.LC_CTYPE)
        else:
            loc = None
        _cache[cachekey] = p, loc
    return p
项目:pyetje    作者:rorlika    | 项目源码 | 文件源码
def _compile(*key):
    # internal: compile pattern
    pattern, flags = key
    bypass_cache = flags & DEBUG
    if not bypass_cache:
        cachekey = (type(key[0]),) + key
        try:
            p, loc = _cache[cachekey]
            if loc is None or loc == _locale.setlocale(_locale.LC_CTYPE):
                return p
        except KeyError:
            pass
    if isinstance(pattern, _pattern_type):
        if flags:
            raise ValueError('Cannot process flags argument with a compiled pattern')
        return pattern
    if not sre_compile.isstring(pattern):
        raise TypeError, "first argument must be string or compiled pattern"
    try:
        p = sre_compile.compile(pattern, flags)
    except error, v:
        raise error, v # invalid expression
    if not bypass_cache:
        if len(_cache) >= _MAXCACHE:
            _cache.clear()
        if p.flags & LOCALE:
            if not _locale:
                return p
            loc = _locale.setlocale(_locale.LC_CTYPE)
        else:
            loc = None
        _cache[cachekey] = p, loc
    return p
项目:respeaker_virtualenv    作者:respeaker    | 项目源码 | 文件源码
def _compile(*key):
    # internal: compile pattern
    pattern, flags = key
    bypass_cache = flags & DEBUG
    if not bypass_cache:
        cachekey = (type(key[0]),) + key
        try:
            p, loc = _cache[cachekey]
            if loc is None or loc == _locale.setlocale(_locale.LC_CTYPE):
                return p
        except KeyError:
            pass
    if isinstance(pattern, _pattern_type):
        if flags:
            raise ValueError('Cannot process flags argument with a compiled pattern')
        return pattern
    if not sre_compile.isstring(pattern):
        raise TypeError, "first argument must be string or compiled pattern"
    try:
        p = sre_compile.compile(pattern, flags)
    except error, v:
        raise error, v # invalid expression
    if not bypass_cache:
        if len(_cache) >= _MAXCACHE:
            _cache.clear()
        if p.flags & LOCALE:
            if not _locale:
                return p
            loc = _locale.setlocale(_locale.LC_CTYPE)
        else:
            loc = None
        _cache[cachekey] = p, loc
    return p
项目:Tencent_Cartoon_Download    作者:Fretice    | 项目源码 | 文件源码
def _compile(pattern, flags):
    # internal: compile pattern
    try:
        p, loc = _cache[type(pattern), pattern, flags]
        if loc is None or loc == _locale.setlocale(_locale.LC_CTYPE):
            return p
    except KeyError:
        pass
    if isinstance(pattern, _pattern_type):
        if flags:
            raise ValueError(
                "cannot process flags argument with a compiled pattern")
        return pattern
    if not sre_compile.isstring(pattern):
        raise TypeError("first argument must be string or compiled pattern")
    p = sre_compile.compile(pattern, flags)
    if not (flags & DEBUG):
        if len(_cache) >= _MAXCACHE:
            _cache.clear()
        if p.flags & LOCALE:
            if not _locale:
                return p
            loc = _locale.setlocale(_locale.LC_CTYPE)
        else:
            loc = None
        _cache[type(pattern), pattern, flags] = p, loc
    return p
项目:infinite-lorem-ipsum    作者:patjm1992    | 项目源码 | 文件源码
def _compile(*key):
    # internal: compile pattern
    pattern, flags = key
    bypass_cache = flags & DEBUG
    if not bypass_cache:
        cachekey = (type(key[0]),) + key
        try:
            p, loc = _cache[cachekey]
            if loc is None or loc == _locale.setlocale(_locale.LC_CTYPE):
                return p
        except KeyError:
            pass
    if isinstance(pattern, _pattern_type):
        if flags:
            raise ValueError('Cannot process flags argument with a compiled pattern')
        return pattern
    if not sre_compile.isstring(pattern):
        raise TypeError, "first argument must be string or compiled pattern"
    try:
        p = sre_compile.compile(pattern, flags)
    except error, v:
        raise error, v # invalid expression
    if not bypass_cache:
        if len(_cache) >= _MAXCACHE:
            _cache.clear()
        if p.flags & LOCALE:
            if not _locale:
                return p
            loc = _locale.setlocale(_locale.LC_CTYPE)
        else:
            loc = None
        _cache[cachekey] = p, loc
    return p
项目:Price-Comparator    作者:Thejas-1    | 项目源码 | 文件源码
def _compile(*key):
    # internal: compile pattern
    pattern, flags = key
    bypass_cache = flags & DEBUG
    if not bypass_cache:
        cachekey = (type(key[0]),) + key
        try:
            p, loc = _cache[cachekey]
            if loc is None or loc == _locale.setlocale(_locale.LC_CTYPE):
                return p
        except KeyError:
            pass
    if isinstance(pattern, _pattern_type):
        if flags:
            raise ValueError('Cannot process flags argument with a compiled pattern')
        return pattern
    if not sre_compile.isstring(pattern):
        raise TypeError, "first argument must be string or compiled pattern"
    try:
        p = sre_compile.compile(pattern, flags)
    except error, v:
        raise error, v # invalid expression
    if not bypass_cache:
        if len(_cache) >= _MAXCACHE:
            _cache.clear()
        if p.flags & LOCALE:
            if not _locale:
                return p
            loc = _locale.setlocale(_locale.LC_CTYPE)
        else:
            loc = None
        _cache[cachekey] = p, loc
    return p
项目:oil    作者:oilshell    | 项目源码 | 文件源码
def _compile(*key):
    # internal: compile pattern
    pattern, flags = key
    bypass_cache = flags & DEBUG
    if not bypass_cache:
        cachekey = (type(key[0]),) + key
        try:
            p, loc = _cache[cachekey]
            if loc is None or loc == _locale.setlocale(_locale.LC_CTYPE):
                return p
        except KeyError:
            pass
    if isinstance(pattern, _pattern_type):
        if flags:
            raise ValueError('Cannot process flags argument with a compiled pattern')
        return pattern
    if not sre_compile.isstring(pattern):
        raise TypeError, "first argument must be string or compiled pattern"
    try:
        p = sre_compile.compile(pattern, flags)
    except error, v:
        raise error, v # invalid expression
    if not bypass_cache:
        if len(_cache) >= _MAXCACHE:
            _cache.clear()
        if p.flags & LOCALE:
            if not _locale:
                return p
            loc = _locale.setlocale(_locale.LC_CTYPE)
        else:
            loc = None
        _cache[cachekey] = p, loc
    return p
项目:python2-tracer    作者:extremecoders-re    | 项目源码 | 文件源码
def _compile(*key):
    # internal: compile pattern
    pattern, flags = key
    bypass_cache = flags & DEBUG
    if not bypass_cache:
        cachekey = (type(key[0]),) + key
        try:
            p, loc = _cache[cachekey]
            if loc is None or loc == _locale.setlocale(_locale.LC_CTYPE):
                return p
        except KeyError:
            pass
    if isinstance(pattern, _pattern_type):
        if flags:
            raise ValueError('Cannot process flags argument with a compiled pattern')
        return pattern
    if not sre_compile.isstring(pattern):
        raise TypeError, "first argument must be string or compiled pattern"
    try:
        p = sre_compile.compile(pattern, flags)
    except error, v:
        raise error, v # invalid expression
    if not bypass_cache:
        if len(_cache) >= _MAXCACHE:
            _cache.clear()
        if p.flags & LOCALE:
            if not _locale:
                return p
            loc = _locale.setlocale(_locale.LC_CTYPE)
        else:
            loc = None
        _cache[cachekey] = p, loc
    return p
项目:fieldsight-kobocat    作者:awemulya    | 项目源码 | 文件源码
def _compile(pattern, flags):
    # internal: compile pattern
    try:
        p, loc = _cache[type(pattern), pattern, flags]
        if loc is None or loc == _locale.setlocale(_locale.LC_CTYPE):
            return p
    except KeyError:
        pass
    if isinstance(pattern, _pattern_type):
        if flags:
            raise ValueError(
                "cannot process flags argument with a compiled pattern")
        return pattern
    if not sre_compile.isstring(pattern):
        raise TypeError("first argument must be string or compiled pattern")
    p = sre_compile.compile(pattern, flags)
    if not (flags & DEBUG):
        if len(_cache) >= _MAXCACHE:
            _cache.clear()
        if p.flags & LOCALE:
            if not _locale:
                return p
            loc = _locale.setlocale(_locale.LC_CTYPE)
        else:
            loc = None
        _cache[type(pattern), pattern, flags] = p, loc
    return p
项目:chalktalk_docs    作者:loremIpsum1771    | 项目源码 | 文件源码
def _compile(*key):
    # internal: compile pattern
    pattern, flags = key
    bypass_cache = flags & DEBUG
    if not bypass_cache:
        cachekey = (type(key[0]),) + key
        try:
            p, loc = _cache[cachekey]
            if loc is None or loc == _locale.setlocale(_locale.LC_CTYPE):
                return p
        except KeyError:
            pass
    if isinstance(pattern, _pattern_type):
        if flags:
            raise ValueError('Cannot process flags argument with a compiled pattern')
        return pattern
    if not sre_compile.isstring(pattern):
        raise TypeError, "first argument must be string or compiled pattern"
    try:
        p = sre_compile.compile(pattern, flags)
    except error, v:
        raise error, v # invalid expression
    if not bypass_cache:
        if len(_cache) >= _MAXCACHE:
            _cache.clear()
        if p.flags & LOCALE:
            if not _locale:
                return p
            loc = _locale.setlocale(_locale.LC_CTYPE)
        else:
            loc = None
        _cache[cachekey] = p, loc
    return p
项目:sslstrip-hsts-openwrt    作者:adde88    | 项目源码 | 文件源码
def _compile(*key):
    # internal: compile pattern
    pattern, flags = key
    bypass_cache = flags & DEBUG
    if not bypass_cache:
        cachekey = (type(key[0]),) + key
        try:
            p, loc = _cache[cachekey]
            if loc is None or loc == _locale.setlocale(_locale.LC_CTYPE):
                return p
        except KeyError:
            pass
    if isinstance(pattern, _pattern_type):
        if flags:
            raise ValueError('Cannot process flags argument with a compiled pattern')
        return pattern
    if not sre_compile.isstring(pattern):
        raise TypeError, "first argument must be string or compiled pattern"
    try:
        p = sre_compile.compile(pattern, flags)
    except error, v:
        raise error, v # invalid expression
    if not bypass_cache:
        if len(_cache) >= _MAXCACHE:
            _cache.clear()
        if p.flags & LOCALE:
            if not _locale:
                return p
            loc = _locale.setlocale(_locale.LC_CTYPE)
        else:
            loc = None
        _cache[cachekey] = p, loc
    return p
项目:python-group-proj    作者:Sharcee    | 项目源码 | 文件源码
def _compile(*key):
    # internal: compile pattern
    pattern, flags = key
    bypass_cache = flags & DEBUG
    if not bypass_cache:
        cachekey = (type(key[0]),) + key
        try:
            p, loc = _cache[cachekey]
            if loc is None or loc == _locale.setlocale(_locale.LC_CTYPE):
                return p
        except KeyError:
            pass
    if isinstance(pattern, _pattern_type):
        if flags:
            raise ValueError('Cannot process flags argument with a compiled pattern')
        return pattern
    if not sre_compile.isstring(pattern):
        raise TypeError, "first argument must be string or compiled pattern"
    try:
        p = sre_compile.compile(pattern, flags)
    except error, v:
        raise error, v # invalid expression
    if not bypass_cache:
        if len(_cache) >= _MAXCACHE:
            _cache.clear()
        if p.flags & LOCALE:
            if not _locale:
                return p
            loc = _locale.setlocale(_locale.LC_CTYPE)
        else:
            loc = None
        _cache[cachekey] = p, loc
    return p
项目:covar_me_app    作者:CovarMe    | 项目源码 | 文件源码
def _compile(*key):
    # internal: compile pattern
    pattern, flags = key
    bypass_cache = flags & DEBUG
    if not bypass_cache:
        cachekey = (type(key[0]),) + key
        try:
            p, loc = _cache[cachekey]
            if loc is None or loc == _locale.setlocale(_locale.LC_CTYPE):
                return p
        except KeyError:
            pass
    if isinstance(pattern, _pattern_type):
        if flags:
            raise ValueError('Cannot process flags argument with a compiled pattern')
        return pattern
    if not sre_compile.isstring(pattern):
        raise TypeError, "first argument must be string or compiled pattern"
    try:
        p = sre_compile.compile(pattern, flags)
    except error, v:
        raise error, v # invalid expression
    if not bypass_cache:
        if len(_cache) >= _MAXCACHE:
            _cache.clear()
        if p.flags & LOCALE:
            if not _locale:
                return p
            loc = _locale.setlocale(_locale.LC_CTYPE)
        else:
            loc = None
        _cache[cachekey] = p, loc
    return p
项目:Callandtext    作者:iaora    | 项目源码 | 文件源码
def _compile(*key):
    # internal: compile pattern
    pattern, flags = key
    bypass_cache = flags & DEBUG
    if not bypass_cache:
        cachekey = (type(key[0]),) + key
        try:
            p, loc = _cache[cachekey]
            if loc is None or loc == _locale.setlocale(_locale.LC_CTYPE):
                return p
        except KeyError:
            pass
    if isinstance(pattern, _pattern_type):
        if flags:
            raise ValueError('Cannot process flags argument with a compiled pattern')
        return pattern
    if not sre_compile.isstring(pattern):
        raise TypeError, "first argument must be string or compiled pattern"
    try:
        p = sre_compile.compile(pattern, flags)
    except error, v:
        raise error, v # invalid expression
    if not bypass_cache:
        if len(_cache) >= _MAXCACHE:
            _cache.clear()
        if p.flags & LOCALE:
            if not _locale:
                return p
            loc = _locale.setlocale(_locale.LC_CTYPE)
        else:
            loc = None
        _cache[cachekey] = p, loc
    return p
项目:NeuroMobile    作者:AndrewADykman    | 项目源码 | 文件源码
def _compile(*key):
    # internal: compile pattern
    pattern, flags = key
    bypass_cache = flags & DEBUG
    if not bypass_cache:
        cachekey = (type(key[0]),) + key
        try:
            p, loc = _cache[cachekey]
            if loc is None or loc == _locale.setlocale(_locale.LC_CTYPE):
                return p
        except KeyError:
            pass
    if isinstance(pattern, _pattern_type):
        if flags:
            raise ValueError('Cannot process flags argument with a compiled pattern')
        return pattern
    if not sre_compile.isstring(pattern):
        raise TypeError, "first argument must be string or compiled pattern"
    try:
        p = sre_compile.compile(pattern, flags)
    except error, v:
        raise error, v # invalid expression
    if not bypass_cache:
        if len(_cache) >= _MAXCACHE:
            _cache.clear()
        if p.flags & LOCALE:
            if not _locale:
                return p
            loc = _locale.setlocale(_locale.LC_CTYPE)
        else:
            loc = None
        _cache[cachekey] = p, loc
    return p
项目:WebAct    作者:CreatCodeBuild    | 项目源码 | 文件源码
def _compile(*key):
    # internal: compile pattern
    pattern, flags = key
    bypass_cache = flags & DEBUG
    if not bypass_cache:
        cachekey = (type(key[0]),) + key
        try:
            p, loc = _cache[cachekey]
            if loc is None or loc == _locale.setlocale(_locale.LC_CTYPE):
                return p
        except KeyError:
            pass
    if isinstance(pattern, _pattern_type):
        if flags:
            raise ValueError('Cannot process flags argument with a compiled pattern')
        return pattern
    if not sre_compile.isstring(pattern):
        raise TypeError, "first argument must be string or compiled pattern"
    try:
        p = sre_compile.compile(pattern, flags)
    except error, v:
        raise error, v # invalid expression
    if not bypass_cache:
        if len(_cache) >= _MAXCACHE:
            _cache.clear()
        if p.flags & LOCALE:
            if not _locale:
                return p
            loc = _locale.setlocale(_locale.LC_CTYPE)
        else:
            loc = None
        _cache[cachekey] = p, loc
    return p
项目:remoteControlPPT    作者:htwenning    | 项目源码 | 文件源码
def _compile(*key):
    # internal: compile pattern
    pattern, flags = key
    bypass_cache = flags & DEBUG
    if not bypass_cache:
        cachekey = (type(key[0]),) + key
        try:
            p, loc = _cache[cachekey]
            if loc is None or loc == _locale.setlocale(_locale.LC_CTYPE):
                return p
        except KeyError:
            pass
    if isinstance(pattern, _pattern_type):
        if flags:
            raise ValueError('Cannot process flags argument with a compiled pattern')
        return pattern
    if not sre_compile.isstring(pattern):
        raise TypeError, "first argument must be string or compiled pattern"
    try:
        p = sre_compile.compile(pattern, flags)
    except error, v:
        raise error, v # invalid expression
    if not bypass_cache:
        if len(_cache) >= _MAXCACHE:
            _cache.clear()
        if p.flags & LOCALE:
            if not _locale:
                return p
            loc = _locale.setlocale(_locale.LC_CTYPE)
        else:
            loc = None
        _cache[cachekey] = p, loc
    return p
项目:xxNet    作者:drzorm    | 项目源码 | 文件源码
def _compile(*key):
    # internal: compile pattern
    pattern, flags = key
    bypass_cache = flags & DEBUG
    if not bypass_cache:
        cachekey = (type(key[0]),) + key
        try:
            p, loc = _cache[cachekey]
            if loc is None or loc == _locale.setlocale(_locale.LC_CTYPE):
                return p
        except KeyError:
            pass
    if isinstance(pattern, _pattern_type):
        if flags:
            raise ValueError('Cannot process flags argument with a compiled pattern')
        return pattern
    if not sre_compile.isstring(pattern):
        raise TypeError, "first argument must be string or compiled pattern"
    try:
        p = sre_compile.compile(pattern, flags)
    except error, v:
        raise error, v # invalid expression
    if not bypass_cache:
        if len(_cache) >= _MAXCACHE:
            _cache.clear()
        if p.flags & LOCALE:
            if not _locale:
                return p
            loc = _locale.setlocale(_locale.LC_CTYPE)
        else:
            loc = None
        _cache[cachekey] = p, loc
    return p
项目:ASE-Fall2016    作者:Dai0526    | 项目源码 | 文件源码
def _compile(*key):
    # internal: compile pattern
    pattern, flags = key
    bypass_cache = flags & DEBUG
    if not bypass_cache:
        cachekey = (type(key[0]),) + key
        try:
            p, loc = _cache[cachekey]
            if loc is None or loc == _locale.setlocale(_locale.LC_CTYPE):
                return p
        except KeyError:
            pass
    if isinstance(pattern, _pattern_type):
        if flags:
            raise ValueError('Cannot process flags argument with a compiled pattern')
        return pattern
    if not sre_compile.isstring(pattern):
        raise TypeError, "first argument must be string or compiled pattern"
    try:
        p = sre_compile.compile(pattern, flags)
    except error, v:
        raise error, v # invalid expression
    if not bypass_cache:
        if len(_cache) >= _MAXCACHE:
            _cache.clear()
        if p.flags & LOCALE:
            if not _locale:
                return p
            loc = _locale.setlocale(_locale.LC_CTYPE)
        else:
            loc = None
        _cache[cachekey] = p, loc
    return p
项目:TodoListMaker    作者:prakharchoudhary    | 项目源码 | 文件源码
def _compile(*key):
    # internal: compile pattern
    pattern, flags = key
    bypass_cache = flags & DEBUG
    if not bypass_cache:
        cachekey = (type(key[0]),) + key
        try:
            p, loc = _cache[cachekey]
            if loc is None or loc == _locale.setlocale(_locale.LC_CTYPE):
                return p
        except KeyError:
            pass
    if isinstance(pattern, _pattern_type):
        if flags:
            raise ValueError('Cannot process flags argument with a compiled pattern')
        return pattern
    if not sre_compile.isstring(pattern):
        raise TypeError, "first argument must be string or compiled pattern"
    try:
        p = sre_compile.compile(pattern, flags)
    except error, v:
        raise error, v # invalid expression
    if not bypass_cache:
        if len(_cache) >= _MAXCACHE:
            _cache.clear()
        if p.flags & LOCALE:
            if not _locale:
                return p
            loc = _locale.setlocale(_locale.LC_CTYPE)
        else:
            loc = None
        _cache[cachekey] = p, loc
    return p
项目:CloudPrint    作者:William-An    | 项目源码 | 文件源码
def _compile(pattern, flags):
    # internal: compile pattern
    try:
        p, loc = _cache[type(pattern), pattern, flags]
        if loc is None or loc == _locale.setlocale(_locale.LC_CTYPE):
            return p
    except KeyError:
        pass
    if isinstance(pattern, _pattern_type):
        if flags:
            raise ValueError(
                "cannot process flags argument with a compiled pattern")
        return pattern
    if not sre_compile.isstring(pattern):
        raise TypeError("first argument must be string or compiled pattern")
    p = sre_compile.compile(pattern, flags)
    if not (flags & DEBUG):
        if len(_cache) >= _MAXCACHE:
            _cache.clear()
        if p.flags & LOCALE:
            if not _locale:
                return p
            loc = _locale.setlocale(_locale.LC_CTYPE)
        else:
            loc = None
        _cache[type(pattern), pattern, flags] = p, loc
    return p
项目:ouroboros    作者:pybee    | 项目源码 | 文件源码
def _compile(pattern, flags):
    # internal: compile pattern
    bypass_cache = flags & DEBUG
    if not bypass_cache:
        try:
            p, loc = _cache[type(pattern), pattern, flags]
            if loc is None or loc == _locale.setlocale(_locale.LC_CTYPE):
                return p
        except KeyError:
            pass
    if isinstance(pattern, _pattern_type):
        if flags:
            raise ValueError(
                "Cannot process flags argument with a compiled pattern")
        return pattern
    if not sre_compile.isstring(pattern):
        raise TypeError("first argument must be string or compiled pattern")
    p = sre_compile.compile(pattern, flags)
    if not bypass_cache:
        if len(_cache) >= _MAXCACHE:
            _cache.clear()
        if p.flags & LOCALE:
            if not _locale:
                return p
            loc = _locale.setlocale(_locale.LC_CTYPE)
        else:
            loc = None
        _cache[type(pattern), pattern, flags] = p, loc
    return p
项目:Sudoku-Solver    作者:ayush1997    | 项目源码 | 文件源码
def _compile(*key):
    # internal: compile pattern
    pattern, flags = key
    bypass_cache = flags & DEBUG
    if not bypass_cache:
        cachekey = (type(key[0]),) + key
        try:
            p, loc = _cache[cachekey]
            if loc is None or loc == _locale.setlocale(_locale.LC_CTYPE):
                return p
        except KeyError:
            pass
    if isinstance(pattern, _pattern_type):
        if flags:
            raise ValueError('Cannot process flags argument with a compiled pattern')
        return pattern
    if not sre_compile.isstring(pattern):
        raise TypeError, "first argument must be string or compiled pattern"
    try:
        p = sre_compile.compile(pattern, flags)
    except error, v:
        raise error, v # invalid expression
    if not bypass_cache:
        if len(_cache) >= _MAXCACHE:
            _cache.clear()
        if p.flags & LOCALE:
            if not _locale:
                return p
            loc = _locale.setlocale(_locale.LC_CTYPE)
        else:
            loc = None
        _cache[cachekey] = p, loc
    return p
项目:gardenbot    作者:GoestaO    | 项目源码 | 文件源码
def _compile(pattern, flags):
    # internal: compile pattern
    try:
        p, loc = _cache[type(pattern), pattern, flags]
        if loc is None or loc == _locale.setlocale(_locale.LC_CTYPE):
            return p
    except KeyError:
        pass
    if isinstance(pattern, _pattern_type):
        if flags:
            raise ValueError(
                "cannot process flags argument with a compiled pattern")
        return pattern
    if not sre_compile.isstring(pattern):
        raise TypeError("first argument must be string or compiled pattern")
    p = sre_compile.compile(pattern, flags)
    if not (flags & DEBUG):
        if len(_cache) >= _MAXCACHE:
            _cache.clear()
        if p.flags & LOCALE:
            if not _locale:
                return p
            loc = _locale.setlocale(_locale.LC_CTYPE)
        else:
            loc = None
        _cache[type(pattern), pattern, flags] = p, loc
    return p
项目:youtube-trending-music    作者:ishan-nitj    | 项目源码 | 文件源码
def _compile(*key):
    # internal: compile pattern
    pattern, flags = key
    bypass_cache = flags & DEBUG
    if not bypass_cache:
        cachekey = (type(key[0]),) + key
        try:
            p, loc = _cache[cachekey]
            if loc is None or loc == _locale.setlocale(_locale.LC_CTYPE):
                return p
        except KeyError:
            pass
    if isinstance(pattern, _pattern_type):
        if flags:
            raise ValueError('Cannot process flags argument with a compiled pattern')
        return pattern
    if not sre_compile.isstring(pattern):
        raise TypeError, "first argument must be string or compiled pattern"
    try:
        p = sre_compile.compile(pattern, flags)
    except error, v:
        raise error, v # invalid expression
    if not bypass_cache:
        if len(_cache) >= _MAXCACHE:
            _cache.clear()
        if p.flags & LOCALE:
            if not _locale:
                return p
            loc = _locale.setlocale(_locale.LC_CTYPE)
        else:
            loc = None
        _cache[cachekey] = p, loc
    return p
项目:projeto    作者:BarmyPenguin    | 项目源码 | 文件源码
def _compile(pattern, flags):
    # internal: compile pattern
    try:
        p, loc = _cache[type(pattern), pattern, flags]
        if loc is None or loc == _locale.setlocale(_locale.LC_CTYPE):
            return p
    except KeyError:
        pass
    if isinstance(pattern, _pattern_type):
        if flags:
            raise ValueError(
                "cannot process flags argument with a compiled pattern")
        return pattern
    if not sre_compile.isstring(pattern):
        raise TypeError("first argument must be string or compiled pattern")
    p = sre_compile.compile(pattern, flags)
    if not (flags & DEBUG):
        if len(_cache) >= _MAXCACHE:
            _cache.clear()
        if p.flags & LOCALE:
            if not _locale:
                return p
            loc = _locale.setlocale(_locale.LC_CTYPE)
        else:
            loc = None
        _cache[type(pattern), pattern, flags] = p, loc
    return p
项目:flask-zhenai-mongo-echarts    作者:Fretice    | 项目源码 | 文件源码
def _compile(pattern, flags):
    # internal: compile pattern
    try:
        p, loc = _cache[type(pattern), pattern, flags]
        if loc is None or loc == _locale.setlocale(_locale.LC_CTYPE):
            return p
    except KeyError:
        pass
    if isinstance(pattern, _pattern_type):
        if flags:
            raise ValueError(
                "cannot process flags argument with a compiled pattern")
        return pattern
    if not sre_compile.isstring(pattern):
        raise TypeError("first argument must be string or compiled pattern")
    p = sre_compile.compile(pattern, flags)
    if not (flags & DEBUG):
        if len(_cache) >= _MAXCACHE:
            _cache.clear()
        if p.flags & LOCALE:
            if not _locale:
                return p
            loc = _locale.setlocale(_locale.LC_CTYPE)
        else:
            loc = None
        _cache[type(pattern), pattern, flags] = p, loc
    return p
项目:compatify    作者:hatooku    | 项目源码 | 文件源码
def _compile(*key):
    # internal: compile pattern
    pattern, flags = key
    bypass_cache = flags & DEBUG
    if not bypass_cache:
        cachekey = (type(key[0]),) + key
        try:
            p, loc = _cache[cachekey]
            if loc is None or loc == _locale.setlocale(_locale.LC_CTYPE):
                return p
        except KeyError:
            pass
    if isinstance(pattern, _pattern_type):
        if flags:
            raise ValueError('Cannot process flags argument with a compiled pattern')
        return pattern
    if not sre_compile.isstring(pattern):
        raise TypeError, "first argument must be string or compiled pattern"
    try:
        p = sre_compile.compile(pattern, flags)
    except error, v:
        raise error, v # invalid expression
    if not bypass_cache:
        if len(_cache) >= _MAXCACHE:
            _cache.clear()
        if p.flags & LOCALE:
            if not _locale:
                return p
            loc = _locale.setlocale(_locale.LC_CTYPE)
        else:
            loc = None
        _cache[cachekey] = p, loc
    return p