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venv/Lib/site-packages/html5lib/_trie/__init__.py
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venv/Lib/site-packages/html5lib/_trie/__init__.py
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from __future__ import absolute_import, division, unicode_literals
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from .py import Trie
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__all__ = ["Trie"]
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0
venv/Lib/site-packages/html5lib/filters/__init__.py
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venv/Lib/site-packages/html5lib/filters/__init__.py
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venv/Lib/site-packages/html5lib/treeadapters/__init__.py
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venv/Lib/site-packages/html5lib/treeadapters/__init__.py
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"""Tree adapters let you convert from one tree structure to another
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Example:
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.. code-block:: python
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import html5lib
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from html5lib.treeadapters import genshi
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doc = '<html><body>Hi!</body></html>'
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treebuilder = html5lib.getTreeBuilder('etree')
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parser = html5lib.HTMLParser(tree=treebuilder)
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tree = parser.parse(doc)
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TreeWalker = html5lib.getTreeWalker('etree')
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genshi_tree = genshi.to_genshi(TreeWalker(tree))
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"""
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from __future__ import absolute_import, division, unicode_literals
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from . import sax
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__all__ = ["sax"]
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try:
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from . import genshi # noqa
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except ImportError:
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pass
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else:
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__all__.append("genshi")
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88
venv/Lib/site-packages/html5lib/treebuilders/__init__.py
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venv/Lib/site-packages/html5lib/treebuilders/__init__.py
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"""A collection of modules for building different kinds of trees from HTML
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documents.
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To create a treebuilder for a new type of tree, you need to do
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implement several things:
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1. A set of classes for various types of elements: Document, Doctype, Comment,
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Element. These must implement the interface of ``base.treebuilders.Node``
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(although comment nodes have a different signature for their constructor,
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see ``treebuilders.etree.Comment``) Textual content may also be implemented
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as another node type, or not, as your tree implementation requires.
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2. A treebuilder object (called ``TreeBuilder`` by convention) that inherits
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from ``treebuilders.base.TreeBuilder``. This has 4 required attributes:
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* ``documentClass`` - the class to use for the bottommost node of a document
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* ``elementClass`` - the class to use for HTML Elements
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* ``commentClass`` - the class to use for comments
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* ``doctypeClass`` - the class to use for doctypes
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It also has one required method:
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* ``getDocument`` - Returns the root node of the complete document tree
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3. If you wish to run the unit tests, you must also create a ``testSerializer``
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method on your treebuilder which accepts a node and returns a string
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containing Node and its children serialized according to the format used in
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the unittests
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"""
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from __future__ import absolute_import, division, unicode_literals
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from .._utils import default_etree
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treeBuilderCache = {}
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def getTreeBuilder(treeType, implementation=None, **kwargs):
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"""Get a TreeBuilder class for various types of trees with built-in support
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:arg treeType: the name of the tree type required (case-insensitive). Supported
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values are:
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* "dom" - A generic builder for DOM implementations, defaulting to a
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xml.dom.minidom based implementation.
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* "etree" - A generic builder for tree implementations exposing an
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ElementTree-like interface, defaulting to xml.etree.cElementTree if
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available and xml.etree.ElementTree if not.
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* "lxml" - A etree-based builder for lxml.etree, handling limitations
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of lxml's implementation.
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:arg implementation: (Currently applies to the "etree" and "dom" tree
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types). A module implementing the tree type e.g. xml.etree.ElementTree
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or xml.etree.cElementTree.
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:arg kwargs: Any additional options to pass to the TreeBuilder when
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creating it.
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Example:
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>>> from html5lib.treebuilders import getTreeBuilder
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>>> builder = getTreeBuilder('etree')
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"""
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treeType = treeType.lower()
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if treeType not in treeBuilderCache:
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if treeType == "dom":
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from . import dom
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# Come up with a sane default (pref. from the stdlib)
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if implementation is None:
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from xml.dom import minidom
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implementation = minidom
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# NEVER cache here, caching is done in the dom submodule
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return dom.getDomModule(implementation, **kwargs).TreeBuilder
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elif treeType == "lxml":
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from . import etree_lxml
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treeBuilderCache[treeType] = etree_lxml.TreeBuilder
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elif treeType == "etree":
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from . import etree
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if implementation is None:
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implementation = default_etree
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# NEVER cache here, caching is done in the etree submodule
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return etree.getETreeModule(implementation, **kwargs).TreeBuilder
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else:
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raise ValueError("""Unrecognised treebuilder "%s" """ % treeType)
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return treeBuilderCache.get(treeType)
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venv/Lib/site-packages/html5lib/treewalkers/dom.py
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venv/Lib/site-packages/html5lib/treewalkers/dom.py
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from __future__ import absolute_import, division, unicode_literals
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from xml.dom import Node
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from . import base
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class TreeWalker(base.NonRecursiveTreeWalker):
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def getNodeDetails(self, node):
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if node.nodeType == Node.DOCUMENT_TYPE_NODE:
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return base.DOCTYPE, node.name, node.publicId, node.systemId
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elif node.nodeType in (Node.TEXT_NODE, Node.CDATA_SECTION_NODE):
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return base.TEXT, node.nodeValue
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elif node.nodeType == Node.ELEMENT_NODE:
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attrs = {}
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for attr in list(node.attributes.keys()):
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attr = node.getAttributeNode(attr)
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if attr.namespaceURI:
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attrs[(attr.namespaceURI, attr.localName)] = attr.value
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else:
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attrs[(None, attr.name)] = attr.value
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return (base.ELEMENT, node.namespaceURI, node.nodeName,
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attrs, node.hasChildNodes())
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elif node.nodeType == Node.COMMENT_NODE:
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return base.COMMENT, node.nodeValue
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elif node.nodeType in (Node.DOCUMENT_NODE, Node.DOCUMENT_FRAGMENT_NODE):
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return (base.DOCUMENT,)
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else:
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return base.UNKNOWN, node.nodeType
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def getFirstChild(self, node):
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return node.firstChild
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def getNextSibling(self, node):
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return node.nextSibling
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def getParentNode(self, node):
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return node.parentNode
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