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[gametrailers/mtv] Fix pre-3.x compatibility function for find_xpath_attr
Fixes #2189
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@ -224,7 +224,7 @@ def write_json_file(obj, fn):
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def find_xpath_attr(node, xpath, key, val):
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""" Find the xpath xpath[@key=val] """
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assert re.match(r'^[a-zA-Z]+$', key)
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assert re.match(r'^[a-zA-Z0-9@\s]*$', val)
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assert re.match(r'^[a-zA-Z0-9@\s:.]*$', val)
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expr = xpath + u"[@%s='%s']" % (key, val)
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return node.find(expr)
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else:
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