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https://github.com/SickGear/SickGear.git
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77 lines
2.6 KiB
Python
77 lines
2.6 KiB
Python
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from __future__ import absolute_import
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import re
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__all__ = [
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'_SGML_AVAILABLE',
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'sgmllib',
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'charref',
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'tagfind',
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'attrfind',
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'entityref',
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'incomplete',
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'interesting',
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'shorttag',
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'shorttagopen',
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'starttagopen',
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'endbracket',
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]
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# sgmllib is not available by default in Python 3; if the end user doesn't have
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# it available then we'll lose illformed XML parsing and content sanitizing
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try:
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import sgmllib
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except ImportError:
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# This is probably Python 3, which doesn't include sgmllib anymore
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_SGML_AVAILABLE = 0
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# Mock sgmllib enough to allow subclassing later on
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class sgmllib(object):
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class SGMLParser(object):
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def goahead(self, i):
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pass
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def parse_starttag(self, i):
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pass
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else:
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_SGML_AVAILABLE = 1
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# sgmllib defines a number of module-level regular expressions that are
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# insufficient for the XML parsing feedparser needs. Rather than modify
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# the variables directly in sgmllib, they're defined here using the same
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# names, and the compiled code objects of several sgmllib.SGMLParser
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# methods are copied into _BaseHTMLProcessor so that they execute in
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# feedparser's scope instead of sgmllib's scope.
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charref = re.compile('&#(\d+|[xX][0-9a-fA-F]+);')
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tagfind = re.compile('[a-zA-Z][-_.:a-zA-Z0-9]*')
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attrfind = re.compile(
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r'\s*([a-zA-Z_][-:.a-zA-Z_0-9]*)[$]?(\s*=\s*'
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r'(\'[^\']*\'|"[^"]*"|[][\-a-zA-Z0-9./,:;+*%?!&$\(\)_#=~\'"@]*))?'
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)
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# Unfortunately, these must be copied over to prevent NameError exceptions
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entityref = sgmllib.entityref
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incomplete = sgmllib.incomplete
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interesting = sgmllib.interesting
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shorttag = sgmllib.shorttag
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shorttagopen = sgmllib.shorttagopen
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starttagopen = sgmllib.starttagopen
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class _EndBracketRegEx:
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def __init__(self):
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# Overriding the built-in sgmllib.endbracket regex allows the
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# parser to find angle brackets embedded in element attributes.
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self.endbracket = re.compile('''([^'"<>]|"[^"]*"(?=>|/|\s|\w+=)|'[^']*'(?=>|/|\s|\w+=))*(?=[<>])|.*?(?=[<>])''')
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def search(self, target, index=0):
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match = self.endbracket.match(target, index)
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if match is not None:
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# Returning a new object in the calling thread's context
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# resolves a thread-safety.
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return EndBracketMatch(match)
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return None
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class EndBracketMatch:
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def __init__(self, match):
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self.match = match
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def start(self, n):
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return self.match.end(n)
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endbracket = _EndBracketRegEx()
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