/usr/lib/python2.7/dist-packages/html5lib/treewalkers/etree.py is in python-html5lib 0.999999999-1.
This file is owned by root:root, with mode 0o644.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 | from __future__ import absolute_import, division, unicode_literals
try:
from collections import OrderedDict
except ImportError:
try:
from ordereddict import OrderedDict
except ImportError:
OrderedDict = dict
import re
from six import string_types
from . import base
from .._utils import moduleFactoryFactory
tag_regexp = re.compile("{([^}]*)}(.*)")
def getETreeBuilder(ElementTreeImplementation):
ElementTree = ElementTreeImplementation
ElementTreeCommentType = ElementTree.Comment("asd").tag
class TreeWalker(base.NonRecursiveTreeWalker): # pylint:disable=unused-variable
"""Given the particular ElementTree representation, this implementation,
to avoid using recursion, returns "nodes" as tuples with the following
content:
1. The current element
2. The index of the element relative to its parent
3. A stack of ancestor elements
4. A flag "text", "tail" or None to indicate if the current node is a
text node; either the text or tail of the current element (1)
"""
def getNodeDetails(self, node):
if isinstance(node, tuple): # It might be the root Element
elt, _, _, flag = node
if flag in ("text", "tail"):
return base.TEXT, getattr(elt, flag)
else:
node = elt
if not(hasattr(node, "tag")):
node = node.getroot()
if node.tag in ("DOCUMENT_ROOT", "DOCUMENT_FRAGMENT"):
return (base.DOCUMENT,)
elif node.tag == "<!DOCTYPE>":
return (base.DOCTYPE, node.text,
node.get("publicId"), node.get("systemId"))
elif node.tag == ElementTreeCommentType:
return base.COMMENT, node.text
else:
assert isinstance(node.tag, string_types), type(node.tag)
# This is assumed to be an ordinary element
match = tag_regexp.match(node.tag)
if match:
namespace, tag = match.groups()
else:
namespace = None
tag = node.tag
attrs = OrderedDict()
for name, value in list(node.attrib.items()):
match = tag_regexp.match(name)
if match:
attrs[(match.group(1), match.group(2))] = value
else:
attrs[(None, name)] = value
return (base.ELEMENT, namespace, tag,
attrs, len(node) or node.text)
def getFirstChild(self, node):
if isinstance(node, tuple):
element, key, parents, flag = node
else:
element, key, parents, flag = node, None, [], None
if flag in ("text", "tail"):
return None
else:
if element.text:
return element, key, parents, "text"
elif len(element):
parents.append(element)
return element[0], 0, parents, None
else:
return None
def getNextSibling(self, node):
if isinstance(node, tuple):
element, key, parents, flag = node
else:
return None
if flag == "text":
if len(element):
parents.append(element)
return element[0], 0, parents, None
else:
return None
else:
if element.tail and flag != "tail":
return element, key, parents, "tail"
elif key < len(parents[-1]) - 1:
return parents[-1][key + 1], key + 1, parents, None
else:
return None
def getParentNode(self, node):
if isinstance(node, tuple):
element, key, parents, flag = node
else:
return None
if flag == "text":
if not parents:
return element
else:
return element, key, parents, None
else:
parent = parents.pop()
if not parents:
return parent
else:
assert list(parents[-1]).count(parent) == 1
return parent, list(parents[-1]).index(parent), parents, None
return locals()
getETreeModule = moduleFactoryFactory(getETreeBuilder)
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