Python sre_parse() Examples

The following are 30 code examples of sre_parse(). You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may also want to check out all available functions/classes of the module sre_parse , or try the search function .
Example #1
Source File: re.py    From Imogen with MIT License 7 votes vote down vote up 
def __init__(self, lexicon, flags=0):
        from sre_constants import BRANCH, SUBPATTERN
        if isinstance(flags, RegexFlag):
            flags = flags.value
        self.lexicon = lexicon
        # combine phrases into a compound pattern
        p = []
        s = sre_parse.Pattern()
        s.flags = flags
        for phrase, action in lexicon:
            gid = s.opengroup()
            p.append(sre_parse.SubPattern(s, [
                (SUBPATTERN, (gid, 0, 0, sre_parse.parse(phrase, flags))),
                ]))
            s.closegroup(gid, p[-1])
        p = sre_parse.SubPattern(s, [(BRANCH, (None, p))])
        self.scanner = sre_compile.compile(p)
Example #2
Source File: re.py    From Imogen with MIT License 6 votes vote down vote up 
def _compile(pattern, flags):
    # internal: compile pattern
    if isinstance(flags, RegexFlag):
        flags = flags.value
    try:
        return _cache[type(pattern), pattern, flags]
    except KeyError:
        pass
    if isinstance(pattern, Pattern):
        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:
            # Drop the oldest item
            try:
                del _cache[next(iter(_cache))]
            except (StopIteration, RuntimeError, KeyError):
                pass
        _cache[type(pattern), pattern, flags] = p
    return p
Example #3
Source File: re.py    From GraphicDesignPatternByPython with MIT License 6 votes vote down vote up 
def __init__(self, lexicon, flags=0):
        from sre_constants import BRANCH, SUBPATTERN
        if isinstance(flags, RegexFlag):
            flags = flags.value
        self.lexicon = lexicon
        # combine phrases into a compound pattern
        p = []
        s = sre_parse.Pattern()
        s.flags = flags
        for phrase, action in lexicon:
            gid = s.opengroup()
            p.append(sre_parse.SubPattern(s, [
                (SUBPATTERN, (gid, 0, 0, sre_parse.parse(phrase, flags))),
                ]))
            s.closegroup(gid, p[-1])
        p = sre_parse.SubPattern(s, [(BRANCH, (None, p))])
        self.scanner = sre_compile.compile(p)
Example #4
Source File: re.py    From GraphicDesignPatternByPython with MIT License 6 votes vote down vote up 
def _compile(pattern, flags):
    # internal: compile pattern
    if isinstance(flags, RegexFlag):
        flags = flags.value
    try:
        return _cache[type(pattern), pattern, flags]
    except KeyError:
        pass
    if isinstance(pattern, Pattern):
        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:
            # Drop the oldest item
            try:
                del _cache[next(iter(_cache))]
            except (StopIteration, RuntimeError, KeyError):
                pass
        _cache[type(pattern), pattern, flags] = p
    return p
Example #5
Source File: re.py    From PhonePi_SampleServer with MIT License 5 votes vote down vote up 
def __init__(self, lexicon, flags=0):
        from sre_constants import BRANCH, SUBPATTERN
        self.lexicon = lexicon
        # combine phrases into a compound pattern
        p = []
        s = sre_parse.Pattern()
        s.flags = flags
        for phrase, action in lexicon:
            p.append(sre_parse.SubPattern(s, [
                (SUBPATTERN, (len(p)+1, sre_parse.parse(phrase, flags))),
                ]))
        s.groups = len(p)+1
        p = sre_parse.SubPattern(s, [(BRANCH, (None, p))])
        self.scanner = sre_compile.compile(p)
Example #6
Source File: re.py    From telegram-robot-rss with Mozilla Public License 2.0 5 votes vote down vote up 
def __init__(self, lexicon, flags=0):
        from sre_constants import BRANCH, SUBPATTERN
        self.lexicon = lexicon
        # combine phrases into a compound pattern
        p = []
        s = sre_parse.Pattern()
        s.flags = flags
        for phrase, action in lexicon:
            p.append(sre_parse.SubPattern(s, [
                (SUBPATTERN, (len(p)+1, sre_parse.parse(phrase, flags))),
                ]))
        s.groups = len(p)+1
        p = sre_parse.SubPattern(s, [(BRANCH, (None, p))])
        self.scanner = sre_compile.compile(p)
Example #7
Source File: re.py    From ironpython3 with Apache License 2.0 5 votes vote down vote up 
def __init__(self, lexicon, flags=0):
        from sre_constants import BRANCH, SUBPATTERN
        self.lexicon = lexicon
        # combine phrases into a compound pattern
        p = []
        s = sre_parse.Pattern()
        s.flags = flags
        for phrase, action in lexicon:
            p.append(sre_parse.SubPattern(s, [
                (SUBPATTERN, (len(p)+1, sre_parse.parse(phrase, flags))),
                ]))
        s.groups = len(p)+1
        p = sre_parse.SubPattern(s, [(BRANCH, (None, p))])
        self.scanner = sre_compile.compile(p)
Example #8
Source File: re.py    From ImageFusion with MIT License 5 votes vote down vote up 
def __init__(self, lexicon, flags=0):
        from sre_constants import BRANCH, SUBPATTERN
        self.lexicon = lexicon
        # combine phrases into a compound pattern
        p = []
        s = sre_parse.Pattern()
        s.flags = flags
        for phrase, action in lexicon:
            p.append(sre_parse.SubPattern(s, [
                (SUBPATTERN, (len(p)+1, sre_parse.parse(phrase, flags))),
                ]))
        s.groups = len(p)+1
        p = sre_parse.SubPattern(s, [(BRANCH, (None, p))])
        self.scanner = sre_compile.compile(p)
Example #9
Source File: compat.py    From Splunking-Crime with GNU Affero General Public License v3.0 5 votes vote down vote up 
def __init__(self, lexicon, flags=0):
            from sre_constants import BRANCH, SUBPATTERN
            self.lexicon = lexicon
            # combine phrases into a compound pattern
            p = []
            s = sre_parse.Pattern()
            s.flags = flags
            for phrase, action in lexicon:
                p.append(sre_parse.SubPattern(s, [
                    (SUBPATTERN, (len(p)+1, sre_parse.parse(phrase, flags))),
                    ]))
            s.groups = len(p)+1
            p = sre_parse.SubPattern(s, [(BRANCH, (None, p))])
            self.scanner = sre_compile.compile(p)
Example #10
Source File: re.py    From Splunking-Crime with GNU Affero General Public License v3.0 5 votes vote down vote up 
def __init__(self, lexicon, flags=0):
        from sre_constants import BRANCH, SUBPATTERN
        self.lexicon = lexicon
        # combine phrases into a compound pattern
        p = []
        s = sre_parse.Pattern()
        s.flags = flags
        for phrase, action in lexicon:
            p.append(sre_parse.SubPattern(s, [
                (SUBPATTERN, (len(p)+1, sre_parse.parse(phrase, flags))),
                ]))
        s.groups = len(p)+1
        p = sre_parse.SubPattern(s, [(BRANCH, (None, p))])
        self.scanner = sre_compile.compile(p)
Example #11
Source File: re.py    From Imogen with MIT License 5 votes vote down vote up 
def _subx(pattern, template):
    # internal: Pattern.sub/subn implementation helper
    template = _compile_repl(template, pattern)
    if not template[0] and len(template[1]) == 1:
        # literal replacement
        return template[1][0]
    def filter(match, template=template):
        return sre_parse.expand_template(template, match)
    return filter

# register myself for pickling
Example #12
Source File: re.py    From Project-New-Reign---Nemesis-Main with GNU General Public License v3.0 5 votes vote down vote up 
def __init__(self, lexicon, flags=0):
        from sre_constants import BRANCH, SUBPATTERN
        self.lexicon = lexicon
        # combine phrases into a compound pattern
        p = []
        s = sre_parse.Pattern()
        s.flags = flags
        for phrase, action in lexicon:
            gid = s.opengroup()
            p.append(sre_parse.SubPattern(s, [
                (SUBPATTERN, (gid, sre_parse.parse(phrase, flags))),
                ]))
            s.closegroup(gid, p[-1])
        p = sre_parse.SubPattern(s, [(BRANCH, (None, p))])
        self.scanner = sre_compile.compile(p)
Example #13
Source File: re.py    From medicare-demo with Apache License 2.0 5 votes vote down vote up 
def __init__(self, lexicon, flags=0):
        from sre_constants import BRANCH, SUBPATTERN
        self.lexicon = lexicon
        # combine phrases into a compound pattern
        p = []
        s = sre_parse.Pattern()
        s.flags = flags
        for phrase, action in lexicon:
            p.append(sre_parse.SubPattern(s, [
                (SUBPATTERN, (len(p)+1, sre_parse.parse(phrase, flags))),
                ]))
        s.groups = len(p)+1
        p = sre_parse.SubPattern(s, [(BRANCH, (None, p))])
        self.scanner = sre_compile.compile(p)
Example #14
Source File: re.py    From syntheticmass with Apache License 2.0 5 votes vote down vote up 
def __init__(self, lexicon, flags=0):
        from sre_constants import BRANCH, SUBPATTERN
        self.lexicon = lexicon
        # combine phrases into a compound pattern
        p = []
        s = sre_parse.Pattern()
        s.flags = flags
        for phrase, action in lexicon:
            p.append(sre_parse.SubPattern(s, [
                (SUBPATTERN, (len(p)+1, sre_parse.parse(phrase, flags))),
                ]))
        s.groups = len(p)+1
        p = sre_parse.SubPattern(s, [(BRANCH, (None, p))])
        self.scanner = sre_compile.compile(p)
Example #15
Source File: re.py    From CTFCrackTools-V2 with GNU General Public License v3.0 5 votes vote down vote up 
def __init__(self, lexicon, flags=0):
        from sre_constants import BRANCH, SUBPATTERN
        self.lexicon = lexicon
        # combine phrases into a compound pattern
        p = []
        s = sre_parse.Pattern()
        s.flags = flags
        for phrase, action in lexicon:
            p.append(sre_parse.SubPattern(s, [
                (SUBPATTERN, (len(p)+1, sre_parse.parse(phrase, flags))),
                ]))
        s.groups = len(p)+1
        p = sre_parse.SubPattern(s, [(BRANCH, (None, p))])
        self.scanner = sre_compile.compile(p)
Example #16
Source File: re.py    From CTFCrackTools-V2 with GNU General Public License v3.0 5 votes vote down vote up 
def __init__(self, lexicon, flags=0):
        from sre_constants import BRANCH, SUBPATTERN
        self.lexicon = lexicon
        # combine phrases into a compound pattern
        p = []
        s = sre_parse.Pattern()
        s.flags = flags
        for phrase, action in lexicon:
            p.append(sre_parse.SubPattern(s, [
                (SUBPATTERN, (len(p)+1, sre_parse.parse(phrase, flags))),
                ]))
        s.groups = len(p)+1
        p = sre_parse.SubPattern(s, [(BRANCH, (None, p))])
        self.scanner = sre_compile.compile(p)
Example #17
Source File: re.py    From PokemonGo-DesktopMap with MIT License 5 votes vote down vote up 
def __init__(self, lexicon, flags=0):
        from sre_constants import BRANCH, SUBPATTERN
        self.lexicon = lexicon
        # combine phrases into a compound pattern
        p = []
        s = sre_parse.Pattern()
        s.flags = flags
        for phrase, action in lexicon:
            p.append(sre_parse.SubPattern(s, [
                (SUBPATTERN, (len(p)+1, sre_parse.parse(phrase, flags))),
                ]))
        s.groups = len(p)+1
        p = sre_parse.SubPattern(s, [(BRANCH, (None, p))])
        self.scanner = sre_compile.compile(p)
Example #18
Source File: re.py    From CTFCrackTools with GNU General Public License v3.0 5 votes vote down vote up 
def __init__(self, lexicon, flags=0):
        from sre_constants import BRANCH, SUBPATTERN
        self.lexicon = lexicon
        # combine phrases into a compound pattern
        p = []
        s = sre_parse.Pattern()
        s.flags = flags
        for phrase, action in lexicon:
            p.append(sre_parse.SubPattern(s, [
                (SUBPATTERN, (len(p)+1, sre_parse.parse(phrase, flags))),
                ]))
        s.groups = len(p)+1
        p = sre_parse.SubPattern(s, [(BRANCH, (None, p))])
        self.scanner = sre_compile.compile(p)
Example #19
Source File: re.py    From CTFCrackTools with GNU General Public License v3.0 5 votes vote down vote up 
def __init__(self, lexicon, flags=0):
        from sre_constants import BRANCH, SUBPATTERN
        self.lexicon = lexicon
        # combine phrases into a compound pattern
        p = []
        s = sre_parse.Pattern()
        s.flags = flags
        for phrase, action in lexicon:
            p.append(sre_parse.SubPattern(s, [
                (SUBPATTERN, (len(p)+1, sre_parse.parse(phrase, flags))),
                ]))
        s.groups = len(p)+1
        p = sre_parse.SubPattern(s, [(BRANCH, (None, p))])
        self.scanner = sre_compile.compile(p)
Example #20
Source File: re.py    From scylla with Apache License 2.0 5 votes vote down vote up 
def __init__(self, lexicon, flags=0):
        from sre_constants import BRANCH, SUBPATTERN
        self.lexicon = lexicon
        # combine phrases into a compound pattern
        p = []
        s = sre_parse.Pattern()
        s.flags = flags
        for phrase, action in lexicon:
            gid = s.opengroup()
            p.append(sre_parse.SubPattern(s, [
                (SUBPATTERN, (gid, sre_parse.parse(phrase, flags))),
                ]))
            s.closegroup(gid, p[-1])
        p = sre_parse.SubPattern(s, [(BRANCH, (None, p))])
        self.scanner = sre_compile.compile(p)
Example #21
Source File: re.py    From jawfish with MIT License 5 votes vote down vote up 
def __init__(self, lexicon, flags=0):
        from sre_constants import BRANCH, SUBPATTERN
        self.lexicon = lexicon
        # combine phrases into a compound pattern
        p = []
        s = sre_parse.Pattern()
        s.flags = flags
        for phrase, action in lexicon:
            p.append(sre_parse.SubPattern(s, [
                (SUBPATTERN, (len(p)+1, sre_parse.parse(phrase, flags))),
                ]))
        s.groups = len(p)+1
        p = sre_parse.SubPattern(s, [(BRANCH, (None, p))])
        self.scanner = sre_compile.compile(p)
Example #22
Source File: re.py    From Imogen with MIT License 5 votes vote down vote up 
def template(pattern, flags=0):
    "Compile a template pattern, returning a Pattern object"
    return _compile(pattern, flags|T)

# SPECIAL_CHARS
# closing ')', '}' and ']'
# '-' (a range in character set)
# '&', '~', (extended character set operations)
# '#' (comment) and WHITESPACE (ignored) in verbose mode
Example #23
Source File: re.py    From Imogen with MIT License 5 votes vote down vote up 
def compile(pattern, flags=0):
    "Compile a regular expression pattern, returning a Pattern object."
    return _compile(pattern, flags)
Example #24
Source File: re.py    From Fluid-Designer with GNU General Public License v3.0 5 votes vote down vote up 
def __init__(self, lexicon, flags=0):
        from sre_constants import BRANCH, SUBPATTERN
        self.lexicon = lexicon
        # combine phrases into a compound pattern
        p = []
        s = sre_parse.Pattern()
        s.flags = flags
        for phrase, action in lexicon:
            gid = s.opengroup()
            p.append(sre_parse.SubPattern(s, [
                (SUBPATTERN, (gid, sre_parse.parse(phrase, flags))),
                ]))
            s.closegroup(gid, p[-1])
        p = sre_parse.SubPattern(s, [(BRANCH, (None, p))])
        self.scanner = sre_compile.compile(p)
Example #25
Source File: re.py    From GraphicDesignPatternByPython with MIT License 5 votes vote down vote up 
def _subx(pattern, template):
    # internal: Pattern.sub/subn implementation helper
    template = _compile_repl(template, pattern)
    if not template[0] and len(template[1]) == 1:
        # literal replacement
        return template[1][0]
    def filter(match, template=template):
        return sre_parse.expand_template(template, match)
    return filter

# register myself for pickling
Example #26
Source File: re.py    From GraphicDesignPatternByPython with MIT License 5 votes vote down vote up 
def template(pattern, flags=0):
    "Compile a template pattern, returning a Pattern object"
    return _compile(pattern, flags|T)

# SPECIAL_CHARS
# closing ')', '}' and ']'
# '-' (a range in character set)
# '&', '~', (extended character set operations)
# '#' (comment) and WHITESPACE (ignored) in verbose mode
Example #27
Source File: re.py    From GraphicDesignPatternByPython with MIT License 5 votes vote down vote up 
def compile(pattern, flags=0):
    "Compile a regular expression pattern, returning a Pattern object."
    return _compile(pattern, flags)
Example #28
Source File: re.py    From pmatic with GNU General Public License v2.0 5 votes vote down vote up 
def __init__(self, lexicon, flags=0):
        from sre_constants import BRANCH, SUBPATTERN
        self.lexicon = lexicon
        # combine phrases into a compound pattern
        p = []
        s = sre_parse.Pattern()
        s.flags = flags
        for phrase, action in lexicon:
            p.append(sre_parse.SubPattern(s, [
                (SUBPATTERN, (len(p)+1, sre_parse.parse(phrase, flags))),
                ]))
        s.groups = len(p)+1
        p = sre_parse.SubPattern(s, [(BRANCH, (None, p))])
        self.scanner = sre_compile.compile(p)
Example #29
Source File: re.py    From Safejumper-for-Desktop with GNU General Public License v2.0 5 votes vote down vote up 
def __init__(self, lexicon, flags=0):
        from sre_constants import BRANCH, SUBPATTERN
        self.lexicon = lexicon
        # combine phrases into a compound pattern
        p = []
        s = sre_parse.Pattern()
        s.flags = flags
        for phrase, action in lexicon:
            p.append(sre_parse.SubPattern(s, [
                (SUBPATTERN, (len(p)+1, sre_parse.parse(phrase, flags))),
                ]))
        s.groups = len(p)+1
        p = sre_parse.SubPattern(s, [(BRANCH, (None, p))])
        self.scanner = sre_compile.compile(p)
Example #30
Source File: re.py    From oss-ftp with MIT License 5 votes vote down vote up 
def __init__(self, lexicon, flags=0):
        from sre_constants import BRANCH, SUBPATTERN
        self.lexicon = lexicon
        # combine phrases into a compound pattern
        p = []
        s = sre_parse.Pattern()
        s.flags = flags
        for phrase, action in lexicon:
            p.append(sre_parse.SubPattern(s, [
                (SUBPATTERN, (len(p)+1, sre_parse.parse(phrase, flags))),
                ]))
        s.groups = len(p)+1
        p = sre_parse.SubPattern(s, [(BRANCH, (None, p))])
        self.scanner = sre_compile.compile(p)