Esempio n. 1
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    def pattern(self, format):
        """Return regex pattern for the format string.

        Need to make sure that any characters that might be interpreted as
        regex syntax are escaped.

        """
        processed_format = ''
        # The sub() call escapes all characters that might be misconstrued
        # as regex syntax.  Cannot use re.escape since we have to deal with
        # format directives (%m, etc.).
        regex_chars = re_compile(r"([\\.^$*+?\(\){}\[\]|])")
        format = regex_chars.sub(r"\\\1", format)
        whitespace_replacement = re_compile('\s+')
        format = whitespace_replacement.sub('\s+', format)
        while '%' in format:
            directive_index = format.index('%') + 1
            processed_format = "%s%s%s" % (processed_format,
                                           format[:directive_index - 1],
                                           self[format[directive_index]])
            format = format[directive_index + 1:]
        return "%s%s" % (processed_format, format)
Esempio n. 2
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    def pattern(self, format):
        """Return regex pattern for the format string.

        Need to make sure that any characters that might be interpreted as
        regex syntax are escaped.

        """
        processed_format = ''
        # The sub() call escapes all characters that might be misconstrued
        # as regex syntax.  Cannot use re.escape since we have to deal with
        # format directives (%m, etc.).
        regex_chars = re_compile(r"([\\.^$*+?\(\){}\[\]|])")
        format = regex_chars.sub(r"\\\1", format)
        whitespace_replacement = re_compile('\s+')
        format = whitespace_replacement.sub('\s+', format)
        while '%' in format:
            directive_index = format.index('%')+1
            processed_format = "%s%s%s" % (processed_format,
                                           format[:directive_index-1],
                                           self[format[directive_index]])
            format = format[directive_index+1:]
        return "%s%s" % (processed_format, format)
Esempio n. 3
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 def compile(self, format):
     """Return a compiled re object for the format string."""
     return re_compile(self.pattern(format), IGNORECASE)
Esempio n. 4
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 def compile(self, format):
     """Return a compiled re object for the format string."""
     return re_compile(self.pattern(format), IGNORECASE)