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#15970: xml.etree.ElementTree now serializes correctly the empty HTML elements "meta" and "param".

This commit is contained in:
Ezio Melotti 2012-09-19 08:19:12 +03:00
parent ab02db23b1
commit c90111f9ab
3 changed files with 24 additions and 1 deletions
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20
Lib/test/test_xml_etree.py
View File

@ -1851,6 +1851,26 @@ def check_issue10777():
>>> ET.register_namespace('test10777', 'http://myuri/') >>> ET.register_namespace('test10777', 'http://myuri/')
""" """
def check_html_empty_elems_serialization(self):
# issue 15970
# from http://www.w3.org/TR/html401/index/elements.html
"""
>>> empty_elems = ['AREA', 'BASE', 'BASEFONT', 'BR', 'COL', 'FRAME', 'HR',
... 'IMG', 'INPUT', 'ISINDEX', 'LINK', 'META', 'PARAM']
>>> elems = ''.join('<%s />' % elem for elem in empty_elems)
>>> serialize(ET.XML('<html>%s</html>' % elems), method='html')
'<html><AREA><BASE><BASEFONT><BR><COL><FRAME><HR><IMG><INPUT><ISINDEX><LINK><META><PARAM></html>'
>>> serialize(ET.XML('<html>%s</html>' % elems.lower()), method='html')
'<html><area><base><basefont><br><col><frame><hr><img><input><isindex><link><meta><param></html>'
>>> elems = ''.join('<%s></%s>' % (elem, elem) for elem in empty_elems)
>>> serialize(ET.XML('<html>%s</html>' % elems), method='html')
'<html><AREA><BASE><BASEFONT><BR><COL><FRAME><HR><IMG><INPUT><ISINDEX><LINK><META><PARAM></html>'
>>> serialize(ET.XML('<html>%s</html>' % elems.lower()), method='html')
'<html><area><base><basefont><br><col><frame><hr><img><input><isindex><link><meta><param></html>'
"""
# -------------------------------------------------------------------- # --------------------------------------------------------------------

2
Lib/xml/etree/ElementTree.py
View File

@ -983,7 +983,7 @@ def _serialize_xml(write, elem, qnames, namespaces):
write(_escape_cdata(elem.tail)) write(_escape_cdata(elem.tail))
HTML_EMPTY = ("area", "base", "basefont", "br", "col", "frame", "hr", HTML_EMPTY = ("area", "base", "basefont", "br", "col", "frame", "hr",
"img", "input", "isindex", "link", "meta" "param") "img", "input", "isindex", "link", "meta", "param")
try: try:
HTML_EMPTY = set(HTML_EMPTY) HTML_EMPTY = set(HTML_EMPTY)

3
Misc/NEWS
View File

@ -120,6 +120,9 @@ Core and Builtins
Library Library
------- -------
- Issue #15970: xml.etree.ElementTree now serializes correctly the empty HTML
elements 'meta' and 'param'.
- Issue #15842: the SocketIO.{readable,writable,seekable} methods now - Issue #15842: the SocketIO.{readable,writable,seekable} methods now
raise ValueError when the file-like object is closed. Patch by Alessandro raise ValueError when the file-like object is closed. Patch by Alessandro
Moura. Moura.