72 lines
2.6 KiB
Python
72 lines
2.6 KiB
Python
# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import re
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from six.moves import html_parser as _HTMLParser
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def parse_starttag_patched(self, i):
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"""This method is a patched version of the parse_starttag method from
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django.utils.html_parser.HTMLParser class, used to patch bug 1273943.
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The code is taken from file django/utils/html_parser.py, commit 6bc1b22299.
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"""
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self.__starttag_text = None
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endpos = self.check_for_whole_start_tag(i)
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if endpos < 0:
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return endpos
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rawdata = self.rawdata
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self.__starttag_text = rawdata[i:endpos]
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# Now parse the data between i+1 and j into a tag and attrs
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attrs = []
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tagfind = re.compile('([a-zA-Z][-.a-zA-Z0-9:_]*)(?:\s|/(?!>))*')
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match = tagfind.match(rawdata, i + 1)
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assert match, 'unexpected call to parse_starttag()'
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k = match.end()
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self.lasttag = tag = match.group(1).lower()
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while k < endpos:
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m = _HTMLParser.attrfind.match(rawdata, k)
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if not m:
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break
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attrname, rest, attrvalue = m.group(1, 2, 3)
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if not rest:
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attrvalue = None
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elif attrvalue[:1] == '\'' == attrvalue[-1:] or \
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attrvalue[:1] == '"' == attrvalue[-1:]:
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attrvalue = attrvalue[1:-1]
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if attrvalue:
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attrvalue = self.unescape(attrvalue)
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attrs.append((attrname.lower(), attrvalue))
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k = m.end()
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end = rawdata[k:endpos].strip()
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if end not in (">", "/>"):
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lineno, offset = self.getpos()
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if "\n" in self.__starttag_text:
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lineno = lineno + self.__starttag_text.count("\n")
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offset = len(self.__starttag_text) \
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- self.__starttag_text.rfind("\n")
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else:
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offset = offset + len(self.__starttag_text)
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self.error("junk characters in start tag: %r"
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% (rawdata[k:endpos][:20],))
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if end.endswith('/>'):
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# XHTML-style empty tag: <span attr="value" />
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self.handle_startendtag(tag, attrs)
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else:
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self.handle_starttag(tag, attrs)
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if tag in self.CDATA_CONTENT_ELEMENTS:
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self.set_cdata_mode(tag) # <--------------------------- Changed
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return endpos
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