Mercurial > repos > shellac > sam_consensus_v3
annotate env/lib/python3.9/site-packages/bleach/_vendor/html5lib/treewalkers/genshi.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 genshi.core import QName |
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4 from genshi.core import START, END, XML_NAMESPACE, DOCTYPE, TEXT |
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5 from genshi.core import START_NS, END_NS, START_CDATA, END_CDATA, PI, COMMENT |
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6 |
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7 from . import base |
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8 |
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9 from ..constants import voidElements, namespaces |
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10 |
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11 |
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12 class TreeWalker(base.TreeWalker): |
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13 def __iter__(self): |
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14 # Buffer the events so we can pass in the following one |
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15 previous = None |
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16 for event in self.tree: |
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17 if previous is not None: |
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18 for token in self.tokens(previous, event): |
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19 yield token |
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20 previous = event |
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21 |
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22 # Don't forget the final event! |
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23 if previous is not None: |
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24 for token in self.tokens(previous, None): |
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25 yield token |
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26 |
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27 def tokens(self, event, next): |
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28 kind, data, _ = event |
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29 if kind == START: |
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30 tag, attribs = data |
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31 name = tag.localname |
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32 namespace = tag.namespace |
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33 converted_attribs = {} |
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34 for k, v in attribs: |
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35 if isinstance(k, QName): |
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36 converted_attribs[(k.namespace, k.localname)] = v |
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37 else: |
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38 converted_attribs[(None, k)] = v |
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39 |
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40 if namespace == namespaces["html"] and name in voidElements: |
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41 for token in self.emptyTag(namespace, name, converted_attribs, |
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42 not next or next[0] != END or |
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43 next[1] != tag): |
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44 yield token |
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45 else: |
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46 yield self.startTag(namespace, name, converted_attribs) |
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47 |
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48 elif kind == END: |
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49 name = data.localname |
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50 namespace = data.namespace |
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51 if namespace != namespaces["html"] or name not in voidElements: |
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52 yield self.endTag(namespace, name) |
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53 |
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54 elif kind == COMMENT: |
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55 yield self.comment(data) |
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56 |
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57 elif kind == TEXT: |
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58 for token in self.text(data): |
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59 yield token |
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60 |
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61 elif kind == DOCTYPE: |
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62 yield self.doctype(*data) |
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63 |
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64 elif kind in (XML_NAMESPACE, DOCTYPE, START_NS, END_NS, |
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65 START_CDATA, END_CDATA, PI): |
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66 pass |
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67 |
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68 else: |
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69 yield self.unknown(kind) |