Python re.X属性代码示例

# 需要导入模块: import re [as 别名]
# 或者: from re import X [as 别名]
def getmatch(self, haystack):
        if not isinstance(haystack, basestring):
            return None
        flags = 0
        if self.flags is not None:
            if "i" in self.flags or "I" in self.flags:
                flags |= re.I
            if "l" in self.flags or "L" in self.flags:
                flags |= re.L
            if "m" in self.flags or "M" in self.flags:
                flags |= re.M
            if "s" in self.flags or "S" in self.flags:
                flags |= re.S
            if "u" in self.flags or "U" in self.flags:
                flags |= re.U
            if "x" in self.flags or "X" in self.flags:
                flags |= re.X
        if re.match(self.pattern, haystack, flags=flags) is None:
            return None
        elif self.to is None:
            return Match(haystack, haystack)
        else:
            return Match(haystack, re.sub(self.pattern, self.to, haystack, flags=flags)) 

# 需要导入模块: import re [as 别名]
# 或者: from re import X [as 别名]
def make_loader(*tags_to_remove: str) -> Type[yaml.SafeLoader]:
    """Create a YAML loader, that doesn't parse specific tokens into Python objects."""
    cls: Type[yaml.SafeLoader] = type("YAMLLoader", (SafeLoader,), {})
    cls.yaml_implicit_resolvers = {
        key: [(tag, regexp) for tag, regexp in mapping if tag not in tags_to_remove]
        for key, mapping in cls.yaml_implicit_resolvers.copy().items()
    }

    # Fix pyyaml scientific notation parse bug
    # See PR: https://github.com/yaml/pyyaml/pull/174 for upstream fix
    cls.add_implicit_resolver(  # type: ignore
        "tag:yaml.org,2002:float",
        re.compile(
            r"""^(?:[-+]?(?:[0-9][0-9_]*)\.[0-9_]*(?:[eE][-+]?[0-9]+)?
                       |[-+]?(?:[0-9][0-9_]*)(?:[eE][-+]?[0-9]+)
                       |\.[0-9_]+(?:[eE][-+]?[0-9]+)?
                       |[-+]?[0-9][0-9_]*(?::[0-5]?[0-9])+\.[0-9_]*
                       |[-+]?\.(?:inf|Inf|INF)
                       |\.(?:nan|NaN|NAN))$""",
            re.X,
        ),
        list("-+0123456789."),
    )

    return cls 

# 需要导入模块: import re [as 别名]
# 或者: from re import X [as 别名]
def match_text(self):
        match = self.match(r"""
                (.*?)         # anything, followed by:
                (
                 (?<=\n)(?=[ \t]*(?=%|\#\#)) # an eval or line-based
                                             # comment preceded by a
                                             # consumed newline and whitespace
                 |
                 (?=\${)      # an expression
                 |
                 (?=</?[%&])  # a substitution or block or call start or end
                              # - don't consume
                 |
                 (\\\r?\n)    # an escaped newline  - throw away
                 |
                 \Z           # end of string
                )""", re.X | re.S)

        if match:
            text = match.group(1)
            if text:
                self.append_node(parsetree.Text, text)
            return True
        else:
            return False 

# 需要导入模块: import re [as 别名]
# 或者: from re import X [as 别名]
def parse_args(parser):
    args = parser.parse_args()
    if args.config_file:
        loader = yaml.SafeLoader
        loader.add_implicit_resolver(
            u'tag:yaml.org,2002:float',
            re.compile(u'''^(?:
        [-+]?(?:[0-9][0-9_]*)\\.[0-9_]*(?:[eE][-+]?[0-9]+)?
        |[-+]?(?:[0-9][0-9_]*)(?:[eE][-+]?[0-9]+)
        |\\.[0-9_]+(?:[eE][-+][0-9]+)?
        |[-+]?[0-9][0-9_]*(?::[0-5]?[0-9])+\\.[0-9_]*
        |[-+]?\\.(?:inf|Inf|INF)
        |\\.(?:nan|NaN|NAN))$''', re.X),
            list(u'-+0123456789.'))
        data = yaml.load(args.config_file, Loader=loader)
        delattr(args, 'config_file')
        arg_dict = args.__dict__
        # print(len(list(arg_dict.keys())))
        # print(len(list(data.keys())))
        for key, value in arg_dict.items():
            default_arg = parser.get_default(key)
            if arg_dict[key] == default_arg and key in data:
                arg_dict[key] = data[key]
    return args 

# 需要导入模块: import re [as 别名]
# 或者: from re import X [as 别名]
def _do_code_blocks(self, text):
        """Process Markdown `<pre><code>` blocks."""
        code_block_re = re.compile(r'''
            (?:\n\n|\A\n?)
            (               # $1 = the code block -- one or more lines, starting with a space/tab
              (?:
                (?:[ ]{%d} | \t)  # Lines must start with a tab or a tab-width of spaces
                .*\n+
              )+
            )
            ((?=^[ ]{0,%d}\S)|\Z)   # Lookahead for non-space at line-start, or end of doc
            # Lookahead to make sure this block isn't already in a code block.
            # Needed when syntax highlighting is being used.
            (?![^<]*\</code\>)
            ''' % (self.tab_width, self.tab_width),
            re.M | re.X)
        return code_block_re.sub(self._code_block_sub, text) 

# 需要导入模块: import re [as 别名]
# 或者: from re import X [as 别名]
def _xml_oneliner_re_from_tab_width(tab_width):
    """Standalone XML processing instruction regex."""
    return re.compile(r"""
        (?:
            (?<=\n\n)       # Starting after a blank line
            |               # or
            \A\n?           # the beginning of the doc
        )
        (                           # save in $1
            [ ]{0,%d}
            (?:
                <\?\w+\b\s+.*?\?>   # XML processing instruction
                |
                <\w+:\w+\b\s+.*?/>  # namespaced single tag
            )
            [ \t]*
            (?=\n{2,}|\Z)       # followed by a blank line or end of document
        )
        """ % (tab_width - 1), re.X) 

# 需要导入模块: import re [as 别名]
# 或者: from re import X [as 别名]
def _hr_tag_re_from_tab_width(tab_width):
    return re.compile(r"""
        (?:
            (?<=\n\n)       # Starting after a blank line
            |               # or
            \A\n?           # the beginning of the doc
        )
        (                       # save in \1
            [ ]{0,%d}
            <(hr)               # start tag = \2
            \b                  # word break
            ([^<>])*?           #
            /?>                 # the matching end tag
            [ \t]*
            (?=\n{2,}|\Z)       # followed by a blank line or end of document
        )
        """ % (tab_width - 1), re.X) 

# 需要导入模块: import re [as 别名]
# 或者: from re import X [as 别名]
def __bytes__(self):
        """
        :return:
            A byte string
        """

        if self.contents is None:
            return b''
        if self._bytes is None:
            if not self._indefinite:
                self._bytes, self._unused_bits = self._as_chunk()[0]
            else:
                chunks = self._merge_chunks()
                self._unused_bits = ()
                for chunk in chunks:
                    if self._unused_bits:
                        # Disallowed by X.690 §8.6.4
                        raise ValueError('Only last chunk in a bit string may have unused bits')
                    self._unused_bits = chunk[1]
                self._bytes = b''.join(chunk[0] for chunk in chunks)

        return self._bytes 

# 需要导入模块: import re [as 别名]
# 或者: from re import X [as 别名]
def test_basic_re_sub(self):
        self.assertEqual(re.sub("(?i)b+", "x", "bbbb BBBB"), 'x x')
        self.assertEqual(re.sub(r'\d+', self.bump_num, '08.2 -2 23x99y'),
                         '9.3 -3 24x100y')
        self.assertEqual(re.sub(r'\d+', self.bump_num, '08.2 -2 23x99y', 3),
                         '9.3 -3 23x99y')

        self.assertEqual(re.sub('.', lambda m: r"\n", 'x'), '\\n')
        self.assertEqual(re.sub('.', r"\n", 'x'), '\n')

        s = r"\1\1"
        self.assertEqual(re.sub('(.)', s, 'x'), 'xx')
        self.assertEqual(re.sub('(.)', re.escape(s), 'x'), s)
        self.assertEqual(re.sub('(.)', lambda m: s, 'x'), s)

        self.assertEqual(re.sub('(?P<a>x)', '\g<a>\g<a>', 'xx'), 'xxxx')
        self.assertEqual(re.sub('(?P<a>x)', '\g<a>\g<1>', 'xx'), 'xxxx')
        self.assertEqual(re.sub('(?P<unk>x)', '\g<unk>\g<unk>', 'xx'), 'xxxx')
        self.assertEqual(re.sub('(?P<unk>x)', '\g<1>\g<1>', 'xx'), 'xxxx')

        self.assertEqual(re.sub('a',r'\t\n\v\r\f\a\b\B\Z\a\A\w\W\s\S\d\D','a'),
                         '\t\n\v\r\f\a\b\\B\\Z\a\\A\\w\\W\\s\\S\\d\\D')
        self.assertEqual(re.sub('a', '\t\n\v\r\f\a', 'a'), '\t\n\v\r\f\a')
        self.assertEqual(re.sub('a', '\t\n\v\r\f\a', 'a'),
                         (chr(9)+chr(10)+chr(11)+chr(13)+chr(12)+chr(7)))

        self.assertEqual(re.sub('^\s*', 'X', 'test'), 'Xtest') 

# 需要导入模块: import re [as 别名]
# 或者: from re import X [as 别名]
def test_constants(self):
        self.assertEqual(re.I, re.IGNORECASE)
        self.assertEqual(re.L, re.LOCALE)
        self.assertEqual(re.M, re.MULTILINE)
        self.assertEqual(re.S, re.DOTALL)
        self.assertEqual(re.X, re.VERBOSE) 

# 需要导入模块: import re [as 别名]
# 或者: from re import X [as 别名]
def test_flags(self):
        for flag in [re.I, re.M, re.X, re.S, re.L]:
            self.assertNotEqual(re.compile('^pattern$', flag), None) 

# 需要导入模块: import re [as 别名]
# 或者: from re import X [as 别名]
def __escape(self, m):
        codepoint = ord(m.group())
        try:
            return self.codepoint2entity[codepoint]
        except (KeyError, IndexError):
            return "&#x%X;" % codepoint 

# 需要导入模块: import re [as 别名]
# 或者: from re import X [as 别名]
def match_text(self):
        match = self.match(
            r"""
                (.*?)         # anything, followed by:
                (
                 (?<=\n)(?=[ \t]*(?=%|\#\#)) # an eval or line-based
                                             # comment preceded by a
                                             # consumed newline and whitespace
                 |
                 (?=\${)      # an expression
                 |
                 (?=</?[%&])  # a substitution or block or call start or end
                              # - don't consume
                 |
                 (\\\r?\n)    # an escaped newline  - throw away
                 |
                 \Z           # end of string
                )""",
            re.X | re.S,
        )

        if match:
            text = match.group(1)
            if text:
                self.append_node(parsetree.Text, text)
            return True
        else:
            return False 

# 需要导入模块: import re [as 别名]
# 或者: from re import X [as 别名]
def _rfc_1738_quote(text):
    return re.sub(r'[:@/]', lambda m: "%%%X" % ord(m.group(0)), text) 

# 需要导入模块: import re [as 别名]
# 或者: from re import X [as 别名]
def __escape(self, m):
        codepoint = ord(m.group())
        try:
            return self.codepoint2entity[codepoint]
        except (KeyError, IndexError):
            return '&#x%X;' % codepoint