feat(ST2.EditorPackages): bump up all packages
- Refresh PackageCache with latest versions of everything
This commit is contained in:
Iristyle
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# markdown/searializers.py
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#
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# Add x/html serialization to Elementree
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# Taken from ElementTree 1.3 preview with slight modifications
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#
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# Copyright (c) 1999-2007 by Fredrik Lundh. All rights reserved.
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#
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# fredrik@pythonware.com
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# http://www.pythonware.com
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#
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# --------------------------------------------------------------------
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# The ElementTree toolkit is
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#
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# Copyright (c) 1999-2007 by Fredrik Lundh
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#
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# By obtaining, using, and/or copying this software and/or its
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# associated documentation, you agree that you have read, understood,
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# and will comply with the following terms and conditions:
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#
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# Permission to use, copy, modify, and distribute this software and
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# its associated documentation for any purpose and without fee is
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# hereby granted, provided that the above copyright notice appears in
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# all copies, and that both that copyright notice and this permission
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# notice appear in supporting documentation, and that the name of
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# Secret Labs AB or the author not be used in advertising or publicity
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# pertaining to distribution of the software without specific, written
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# prior permission.
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#
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# SECRET LABS AB AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD
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# TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANT-
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# ABILITY AND FITNESS. IN NO EVENT SHALL SECRET LABS AB OR THE AUTHOR
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# BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY
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# DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
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# WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
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# ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
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# OF THIS SOFTWARE.
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# --------------------------------------------------------------------
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from __future__ import absolute_import
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from __future__ import unicode_literals
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from . import util
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ElementTree = util.etree.ElementTree
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QName = util.etree.QName
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if hasattr(util.etree, 'test_comment'):
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Comment = util.etree.test_comment
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else:
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Comment = util.etree.Comment
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PI = util.etree.PI
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ProcessingInstruction = util.etree.ProcessingInstruction
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__all__ = ['to_html_string', 'to_xhtml_string']
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HTML_EMPTY = ("area", "base", "basefont", "br", "col", "frame", "hr",
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"img", "input", "isindex", "link", "meta" "param")
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try:
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HTML_EMPTY = set(HTML_EMPTY)
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except NameError:
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pass
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_namespace_map = {
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# "well-known" namespace prefixes
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"http://www.w3.org/XML/1998/namespace": "xml",
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"http://www.w3.org/1999/xhtml": "html",
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"http://www.w3.org/1999/02/22-rdf-syntax-ns#": "rdf",
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"http://schemas.xmlsoap.org/wsdl/": "wsdl",
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# xml schema
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"http://www.w3.org/2001/XMLSchema": "xs",
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"http://www.w3.org/2001/XMLSchema-instance": "xsi",
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# dublic core
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"http://purl.org/dc/elements/1.1/": "dc",
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}
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def _raise_serialization_error(text):
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raise TypeError(
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"cannot serialize %r (type %s)" % (text, type(text).__name__)
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)
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def _encode(text, encoding):
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try:
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return text.encode(encoding, "xmlcharrefreplace")
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except (TypeError, AttributeError):
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_raise_serialization_error(text)
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def _escape_cdata(text):
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# escape character data
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try:
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# it's worth avoiding do-nothing calls for strings that are
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# shorter than 500 character, or so. assume that's, by far,
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# the most common case in most applications.
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if "&" in text:
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text = text.replace("&", "&")
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if "<" in text:
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text = text.replace("<", "<")
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if ">" in text:
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text = text.replace(">", ">")
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return text
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except (TypeError, AttributeError):
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_raise_serialization_error(text)
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def _escape_attrib(text):
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# escape attribute value
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try:
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if "&" in text:
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text = text.replace("&", "&")
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if "<" in text:
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text = text.replace("<", "<")
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if ">" in text:
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text = text.replace(">", ">")
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if "\"" in text:
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text = text.replace("\"", """)
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if "\n" in text:
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text = text.replace("\n", " ")
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return text
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except (TypeError, AttributeError):
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_raise_serialization_error(text)
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def _escape_attrib_html(text):
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# escape attribute value
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try:
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if "&" in text:
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text = text.replace("&", "&")
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if "<" in text:
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text = text.replace("<", "<")
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if ">" in text:
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text = text.replace(">", ">")
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if "\"" in text:
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text = text.replace("\"", """)
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return text
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except (TypeError, AttributeError):
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_raise_serialization_error(text)
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def _serialize_html(write, elem, qnames, namespaces, format):
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tag = elem.tag
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text = elem.text
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if tag is Comment:
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write("<!--%s-->" % _escape_cdata(text))
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elif tag is ProcessingInstruction:
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write("<?%s?>" % _escape_cdata(text))
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else:
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tag = qnames[tag]
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if tag is None:
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if text:
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write(_escape_cdata(text))
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for e in elem:
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_serialize_html(write, e, qnames, None, format)
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else:
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write("<" + tag)
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items = elem.items()
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if items or namespaces:
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items.sort() # lexical order
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for k, v in items:
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if isinstance(k, QName):
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k = k.text
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if isinstance(v, QName):
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v = qnames[v.text]
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else:
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v = _escape_attrib_html(v)
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if qnames[k] == v and format == 'html':
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# handle boolean attributes
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write(" %s" % v)
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else:
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write(" %s=\"%s\"" % (qnames[k], v))
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if namespaces:
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items = namespaces.items()
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items.sort(key=lambda x: x[1]) # sort on prefix
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for v, k in items:
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if k:
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k = ":" + k
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write(" xmlns%s=\"%s\"" % (k, _escape_attrib(v)))
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if format == "xhtml" and tag in HTML_EMPTY:
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write(" />")
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else:
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write(">")
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tag = tag.lower()
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if text:
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if tag == "script" or tag == "style":
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write(text)
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else:
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write(_escape_cdata(text))
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for e in elem:
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_serialize_html(write, e, qnames, None, format)
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if tag not in HTML_EMPTY:
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write("</" + tag + ">")
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if elem.tail:
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write(_escape_cdata(elem.tail))
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def _write_html(root,
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encoding=None,
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default_namespace=None,
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format="html"):
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assert root is not None
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data = []
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write = data.append
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qnames, namespaces = _namespaces(root, default_namespace)
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_serialize_html(write, root, qnames, namespaces, format)
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if encoding is None:
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return "".join(data)
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else:
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return _encode("".join(data))
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# --------------------------------------------------------------------
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# serialization support
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def _namespaces(elem, default_namespace=None):
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# identify namespaces used in this tree
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# maps qnames to *encoded* prefix:local names
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qnames = {None: None}
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# maps uri:s to prefixes
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namespaces = {}
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if default_namespace:
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namespaces[default_namespace] = ""
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def add_qname(qname):
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# calculate serialized qname representation
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try:
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if qname[:1] == "{":
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uri, tag = qname[1:].split("}", 1)
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prefix = namespaces.get(uri)
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if prefix is None:
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prefix = _namespace_map.get(uri)
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if prefix is None:
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prefix = "ns%d" % len(namespaces)
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if prefix != "xml":
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namespaces[uri] = prefix
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if prefix:
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qnames[qname] = "%s:%s" % (prefix, tag)
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else:
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qnames[qname] = tag # default element
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else:
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if default_namespace:
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raise ValueError(
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"cannot use non-qualified names with "
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"default_namespace option"
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)
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qnames[qname] = qname
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except TypeError:
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_raise_serialization_error(qname)
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# populate qname and namespaces table
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try:
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iterate = elem.iter
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except AttributeError:
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iterate = elem.getiterator # cET compatibility
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for elem in iterate():
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tag = elem.tag
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if isinstance(tag, QName) and tag.text not in qnames:
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add_qname(tag.text)
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elif isinstance(tag, util.string_type):
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if tag not in qnames:
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add_qname(tag)
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elif tag is not None and tag is not Comment and tag is not PI:
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_raise_serialization_error(tag)
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for key, value in elem.items():
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if isinstance(key, QName):
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key = key.text
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if key not in qnames:
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add_qname(key)
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if isinstance(value, QName) and value.text not in qnames:
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add_qname(value.text)
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text = elem.text
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if isinstance(text, QName) and text.text not in qnames:
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add_qname(text.text)
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return qnames, namespaces
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def to_html_string(element):
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return _write_html(ElementTree(element).getroot(), format="html")
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def to_xhtml_string(element):
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return _write_html(ElementTree(element).getroot(), format="xhtml")
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