Mercurial > repos > shellac > sam_consensus_v3
annotate env/lib/python3.9/site-packages/bleach/_vendor/html5lib/treeadapters/sax.py @ 0:4f3585e2f14b draft default tip
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
author | shellac |
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date | Mon, 22 Mar 2021 18:12:50 +0000 |
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1 from __future__ import absolute_import, division, unicode_literals |
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2 |
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3 from xml.sax.xmlreader import AttributesNSImpl |
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4 |
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5 from ..constants import adjustForeignAttributes, unadjustForeignAttributes |
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6 |
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7 prefix_mapping = {} |
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8 for prefix, localName, namespace in adjustForeignAttributes.values(): |
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9 if prefix is not None: |
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10 prefix_mapping[prefix] = namespace |
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11 |
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12 |
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13 def to_sax(walker, handler): |
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14 """Call SAX-like content handler based on treewalker walker |
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15 |
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16 :arg walker: the treewalker to use to walk the tree to convert it |
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17 |
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18 :arg handler: SAX handler to use |
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19 |
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20 """ |
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21 handler.startDocument() |
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22 for prefix, namespace in prefix_mapping.items(): |
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23 handler.startPrefixMapping(prefix, namespace) |
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24 |
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25 for token in walker: |
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26 type = token["type"] |
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27 if type == "Doctype": |
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28 continue |
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29 elif type in ("StartTag", "EmptyTag"): |
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30 attrs = AttributesNSImpl(token["data"], |
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31 unadjustForeignAttributes) |
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32 handler.startElementNS((token["namespace"], token["name"]), |
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33 token["name"], |
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34 attrs) |
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35 if type == "EmptyTag": |
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36 handler.endElementNS((token["namespace"], token["name"]), |
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37 token["name"]) |
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38 elif type == "EndTag": |
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39 handler.endElementNS((token["namespace"], token["name"]), |
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40 token["name"]) |
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41 elif type in ("Characters", "SpaceCharacters"): |
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42 handler.characters(token["data"]) |
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43 elif type == "Comment": |
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44 pass |
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45 else: |
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46 assert False, "Unknown token type" |
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47 |
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48 for prefix, namespace in prefix_mapping.items(): |
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49 handler.endPrefixMapping(prefix) |
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50 handler.endDocument() |