Mercurial > repos > shellac > guppy_basecaller

annotate env/lib/python3.7/site-packages/lxml/html/_html5builder.py @ 3:758bc20232e8 draft

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"planemo upload commit 2a0fe2cc28b09e101d37293e53e82f61762262ec"
author shellac
date Thu, 14 May 2020 16:20:52 -0400
parents 26e78fe6e8c4
children
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1 """
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2 Legacy module - don't use in new code!
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3
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4 html5lib now has its own proper implementation.
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5
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6 This module implements a tree builder for html5lib that generates lxml
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7 html element trees. This module uses camelCase as it follows the
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8 html5lib style guide.
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9 """
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10
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11 from html5lib.treebuilders import _base, etree as etree_builders
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12 from lxml import html, etree
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13
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14
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15 class DocumentType(object):
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16
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17 def __init__(self, name, publicId, systemId):
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18 self.name = name
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19 self.publicId = publicId
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20 self.systemId = systemId
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21
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22 class Document(object):
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23
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24 def __init__(self):
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25 self._elementTree = None
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26 self.childNodes = []
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27
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28 def appendChild(self, element):
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29 self._elementTree.getroot().addnext(element._element)
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30
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31
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32 class TreeBuilder(_base.TreeBuilder):
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33 documentClass = Document
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34 doctypeClass = DocumentType
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35 elementClass = None
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36 commentClass = None
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37 fragmentClass = Document
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38
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39 def __init__(self, *args, **kwargs):
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40 html_builder = etree_builders.getETreeModule(html, fullTree=False)
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41 etree_builder = etree_builders.getETreeModule(etree, fullTree=False)
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42 self.elementClass = html_builder.Element
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43 self.commentClass = etree_builder.Comment
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44 _base.TreeBuilder.__init__(self, *args, **kwargs)
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45
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46 def reset(self):
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47 _base.TreeBuilder.reset(self)
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48 self.rootInserted = False
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49 self.initialComments = []
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50 self.doctype = None
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51
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52 def getDocument(self):
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53 return self.document._elementTree
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54
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55 def getFragment(self):
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56 fragment = []
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57 element = self.openElements[0]._element
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58 if element.text:
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59 fragment.append(element.text)
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60 fragment.extend(element.getchildren())
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61 if element.tail:
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62 fragment.append(element.tail)
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63 return fragment
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64
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65 def insertDoctype(self, name, publicId, systemId):
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66 doctype = self.doctypeClass(name, publicId, systemId)
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67 self.doctype = doctype
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68
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69 def insertComment(self, data, parent=None):
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70 if not self.rootInserted:
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71 self.initialComments.append(data)
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72 else:
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73 _base.TreeBuilder.insertComment(self, data, parent)
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74
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75 def insertRoot(self, name):
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76 buf = []
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77 if self.doctype and self.doctype.name:
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78 buf.append('<!DOCTYPE %s' % self.doctype.name)
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79 if self.doctype.publicId is not None or self.doctype.systemId is not None:
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80 buf.append(' PUBLIC "%s" "%s"' % (self.doctype.publicId,
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81 self.doctype.systemId))
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82 buf.append('>')
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83 buf.append('<html></html>')
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84 root = html.fromstring(''.join(buf))
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85
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86 # Append the initial comments:
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87 for comment in self.initialComments:
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88 root.addprevious(etree.Comment(comment))
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89
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90 # Create the root document and add the ElementTree to it
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91 self.document = self.documentClass()
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92 self.document._elementTree = root.getroottree()
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93
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94 # Add the root element to the internal child/open data structures
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95 root_element = self.elementClass(name)
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96 root_element._element = root
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97 self.document.childNodes.append(root_element)
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98 self.openElements.append(root_element)
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99
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100 self.rootInserted = True