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bpo-36227: ElementTree.tostring() default_namespace and xml_declaration arguments (GH-12225)

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Add new keyword arguments "default_namespace" and "xml_declaration" to functions ET.tostring() and ET.tostringlist(), as known from ElementTree.write().
This commit is contained in:
Bernt Røskar Brenna 2019-04-14 10:07:02 +02:00 • committed by Stefan Behnel
parent 830b43d03c
commit ffca16e25a
4 changed files with 152 additions and 9 deletions
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15
Lib/xml/etree/ElementTree.py
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@ -1113,6 +1113,7 @@ def _escape_attrib_html(text):
# --------------------------------------------------------------------
def tostring(element, encoding=None, method=None, *,
xml_declaration=None, default_namespace=None,
short_empty_elements=True):
"""Generate string representation of XML element.
@ -1121,13 +1122,17 @@ def tostring(element, encoding=None, method=None, *,
*element* is an Element instance, *encoding* is an optional output
encoding defaulting to US-ASCII, *method* is an optional output which can
be one of "xml" (default), "html", "text" or "c14n".
be one of "xml" (default), "html", "text" or "c14n", *default_namespace*
sets the default XML namespace (for "xmlns").
Returns an (optionally) encoded string containing the XML data.
"""
stream = io.StringIO() if encoding == 'unicode' else io.BytesIO()
ElementTree(element).write(stream, encoding, method=method,
ElementTree(element).write(stream, encoding,
xml_declaration=xml_declaration,
default_namespace=default_namespace,
method=method,
short_empty_elements=short_empty_elements)
return stream.getvalue()
@ -1149,10 +1154,14 @@ class _ListDataStream(io.BufferedIOBase):
return len(self.lst)
def tostringlist(element, encoding=None, method=None, *,
xml_declaration=None, default_namespace=None,
short_empty_elements=True):
lst = []
stream = _ListDataStream(lst)
ElementTree(element).write(stream, encoding, method=method,
ElementTree(element).write(stream, encoding,
xml_declaration=xml_declaration,
default_namespace=default_namespace,
method=method,
short_empty_elements=short_empty_elements)
return lst