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[utils] fix dfxp2srt text extraction(fixes #8055)
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@ -2017,20 +2017,27 @@ def dfxp2srt(dfxp_data):
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'ttaf1': 'http://www.w3.org/2006/10/ttaf1',
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})
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class TTMLPElementParser:
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out = ''
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def start(self, tag, attrib):
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if tag in (_x('ttml:br'), _x('ttaf1:br'), 'br'):
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self.out += '\n'
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def end(self, tag):
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pass
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def data(self, data):
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self.out += data
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def close(self):
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return self.out.strip()
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def parse_node(node):
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str_or_empty = functools.partial(str_or_none, default='')
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out = str_or_empty(node.text)
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for child in node:
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if child.tag in (_x('ttml:br'), _x('ttaf1:br'), 'br'):
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out += '\n' + str_or_empty(child.tail)
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elif child.tag in (_x('ttml:span'), _x('ttaf1:span'), 'span'):
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out += str_or_empty(parse_node(child))
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else:
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out += str_or_empty(xml.etree.ElementTree.tostring(child))
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return out
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target = TTMLPElementParser()
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parser = xml.etree.ElementTree.XMLParser(target=target)
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parser.feed(xml.etree.ElementTree.tostring(node))
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return parser.close()
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dfxp = compat_etree_fromstring(dfxp_data.encode('utf-8'))
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out = []
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