Current File : /lib/python3.8/site-packages/pip/_vendor/html5lib/treeadapters//genshi.py
from __future__ import absolute_import, division, unicode_literals
from genshi.core import QName, Attrs
from genshi.core import START, END, TEXT, COMMENT, DOCTYPE
def to_genshi(walker):
"""Convert a tree to a genshi tree
:arg walker: the treewalker to use to walk the tree to convert it
:returns: generator of genshi nodes
"""
text = []
for token in walker:
type = token["type"]
if type in ("Characters", "SpaceCharacters"):
text.append(token["data"])
elif text:
yield TEXT, "".join(text), (None, -1, -1)
text = []
if type in ("StartTag", "EmptyTag"):
if token["namespace"]:
name = "{%s}%s" % (token["namespace"], token["name"])
else:
name = token["name"]
attrs = Attrs([(QName("{%s}%s" % attr if attr[0] is not None else attr[1]), value)
for attr, value in token["data"].items()])
yield (START, (QName(name), attrs), (None, -1, -1))
if type == "EmptyTag":
type = "EndTag"
if type == "EndTag":
if token["namespace"]:
name = "{%s}%s" % (token["namespace"], token["name"])
else:
name = token["name"]
yield END, QName(name), (None, -1, -1)
elif type == "Comment":
yield COMMENT, token["data"], (None, -1, -1)
elif type == "Doctype":
yield DOCTYPE, (token["name"], token["publicId"],
token["systemId"]), (None, -1, -1)
else:
pass # FIXME: What to do?
if text:
yield TEXT, "".join(text), (None, -1, -1)
