Mercurial > repos > shellac > guppy_basecaller
comparison env/lib/python3.7/site-packages/lxml/html/_html5builder.py @ 0:26e78fe6e8c4 draft
"planemo upload commit c699937486c35866861690329de38ec1a5d9f783"
| author | shellac |
|---|---|
| date | Sat, 02 May 2020 07:14:21 -0400 |
| parents | |
| children |
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| -1:000000000000 | 0:26e78fe6e8c4 |
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| 1 """ | |
| 2 Legacy module - don't use in new code! | |
| 3 | |
| 4 html5lib now has its own proper implementation. | |
| 5 | |
| 6 This module implements a tree builder for html5lib that generates lxml | |
| 7 html element trees. This module uses camelCase as it follows the | |
| 8 html5lib style guide. | |
| 9 """ | |
| 10 | |
| 11 from html5lib.treebuilders import _base, etree as etree_builders | |
| 12 from lxml import html, etree | |
| 13 | |
| 14 | |
| 15 class DocumentType(object): | |
| 16 | |
| 17 def __init__(self, name, publicId, systemId): | |
| 18 self.name = name | |
| 19 self.publicId = publicId | |
| 20 self.systemId = systemId | |
| 21 | |
| 22 class Document(object): | |
| 23 | |
| 24 def __init__(self): | |
| 25 self._elementTree = None | |
| 26 self.childNodes = [] | |
| 27 | |
| 28 def appendChild(self, element): | |
| 29 self._elementTree.getroot().addnext(element._element) | |
| 30 | |
| 31 | |
| 32 class TreeBuilder(_base.TreeBuilder): | |
| 33 documentClass = Document | |
| 34 doctypeClass = DocumentType | |
| 35 elementClass = None | |
| 36 commentClass = None | |
| 37 fragmentClass = Document | |
| 38 | |
| 39 def __init__(self, *args, **kwargs): | |
| 40 html_builder = etree_builders.getETreeModule(html, fullTree=False) | |
| 41 etree_builder = etree_builders.getETreeModule(etree, fullTree=False) | |
| 42 self.elementClass = html_builder.Element | |
| 43 self.commentClass = etree_builder.Comment | |
| 44 _base.TreeBuilder.__init__(self, *args, **kwargs) | |
| 45 | |
| 46 def reset(self): | |
| 47 _base.TreeBuilder.reset(self) | |
| 48 self.rootInserted = False | |
| 49 self.initialComments = [] | |
| 50 self.doctype = None | |
| 51 | |
| 52 def getDocument(self): | |
| 53 return self.document._elementTree | |
| 54 | |
| 55 def getFragment(self): | |
| 56 fragment = [] | |
| 57 element = self.openElements[0]._element | |
| 58 if element.text: | |
| 59 fragment.append(element.text) | |
| 60 fragment.extend(element.getchildren()) | |
| 61 if element.tail: | |
| 62 fragment.append(element.tail) | |
| 63 return fragment | |
| 64 | |
| 65 def insertDoctype(self, name, publicId, systemId): | |
| 66 doctype = self.doctypeClass(name, publicId, systemId) | |
| 67 self.doctype = doctype | |
| 68 | |
| 69 def insertComment(self, data, parent=None): | |
| 70 if not self.rootInserted: | |
| 71 self.initialComments.append(data) | |
| 72 else: | |
| 73 _base.TreeBuilder.insertComment(self, data, parent) | |
| 74 | |
| 75 def insertRoot(self, name): | |
| 76 buf = [] | |
| 77 if self.doctype and self.doctype.name: | |
| 78 buf.append('<!DOCTYPE %s' % self.doctype.name) | |
| 79 if self.doctype.publicId is not None or self.doctype.systemId is not None: | |
| 80 buf.append(' PUBLIC "%s" "%s"' % (self.doctype.publicId, | |
| 81 self.doctype.systemId)) | |
| 82 buf.append('>') | |
| 83 buf.append('<html></html>') | |
| 84 root = html.fromstring(''.join(buf)) | |
| 85 | |
| 86 # Append the initial comments: | |
| 87 for comment in self.initialComments: | |
| 88 root.addprevious(etree.Comment(comment)) | |
| 89 | |
| 90 # Create the root document and add the ElementTree to it | |
| 91 self.document = self.documentClass() | |
| 92 self.document._elementTree = root.getroottree() | |
| 93 | |
| 94 # Add the root element to the internal child/open data structures | |
| 95 root_element = self.elementClass(name) | |
| 96 root_element._element = root | |
| 97 self.document.childNodes.append(root_element) | |
| 98 self.openElements.append(root_element) | |
| 99 | |
| 100 self.rootInserted = True |