Python xml.etree.ElementTree 模块，TreeBuilder() 实例源码
我们从Python开源项目中，提取了以下38个代码示例，用于说明如何使用xml.etree.ElementTree.TreeBuilder()。
def __init__(self, quiet=False):
if sys.flags.optimize >= 2:
# under -OO, doctests cannot be run and therefore not all warnings
# will be emitted
quiet = True
deprecations = (
# Search behaviour is broken if search path starts with "/".
("This search is broken in 1.3 and earlier, and will be fixed "
"in a future version. If you rely on the current behaviour, "
"change it to '.+'", FutureWarning),
# Element.getchildren() and Element.getiterator() are deprecated.
("This method will be removed in future versions. "
"Use .+ instead.", DeprecationWarning),
("This method will be removed in future versions. "
"Use .+ instead.", PendingDeprecationWarning),
# XMLParser.doctype() is deprecated.
("This method of XMLParser is deprecated. Define doctype.. "
"method on the TreeBuilder target.", DeprecationWarning))
self.checkwarnings = support.check_warnings(*deprecations, quiet=quiet)
def xmltoolkit63():
"""
Check reference leak.
>>> xmltoolkit63()
>>> count = sys.getrefcount(None) #doctest: +SKIP
>>> for i in range(1000):
... xmltoolkit63()
>>> sys.getrefcount(None) - count #doctest: +SKIP
0
"""
tree = ET.TreeBuilder()
tree.start("tag", {})
tree.data("text")
tree.end("tag")
# --------------------------------------------------------------------
def xmltoolkit63():
"""
Check reference leak.
>>> xmltoolkit63()
>>> count = sys.getrefcount(None)
>>> for i in range(1000):
... xmltoolkit63()
>>> sys.getrefcount(None) - count
0
"""
tree = ET.TreeBuilder()
tree.start("tag", {})
tree.data("text")
tree.end("tag")
# --------------------------------------------------------------------
def __init__(self, quiet=False):
if sys.flags.optimize >= 2:
# under -OO, doctests cannot be run and therefore not all warnings
# will be emitted
quiet = True
deprecations = (
# Search behaviour is broken if search path starts with "/".
("This search is broken in 1.3 and earlier, and will be fixed "
"in a future version. If you rely on the current behaviour, "
"change it to '.+'", FutureWarning),
# Element.getchildren() and Element.getiterator() are deprecated.
("This method will be removed in future versions. "
"Use .+ instead.", DeprecationWarning),
("This method will be removed in future versions. "
"Use .+ instead.", PendingDeprecationWarning),
# XMLParser.doctype() is deprecated.
("This method of XMLParser is deprecated. Define doctype.. "
"method on the TreeBuilder target.", DeprecationWarning))
self.checkwarnings = test_support.check_warnings(*deprecations,
quiet=quiet)
def xmltoolkit63():
"""
Check reference leak.
>>> xmltoolkit63()
>>> count = sys.getrefcount(None)
>>> for i in range(1000):
... xmltoolkit63()
>>> sys.getrefcount(None) - count
0
"""
tree = ET.TreeBuilder()
tree.start("tag", {})
tree.data("text")
tree.end("tag")
# --------------------------------------------------------------------
def __init__(self, quiet=False):
if sys.flags.optimize >= 2:
# under -OO, doctests cannot be run and therefore not all warnings
# will be emitted
quiet = True
deprecations = (
# Search behaviour is broken if search path starts with "/".
("This search is broken in 1.3 and earlier, and will be fixed "
"in a future version. If you rely on the current behaviour, "
"change it to '.+'", FutureWarning),
# Element.getchildren() and Element.getiterator() are deprecated.
("This method will be removed in future versions. "
"Use .+ instead.", DeprecationWarning),
("This method will be removed in future versions. "
"Use .+ instead.", PendingDeprecationWarning),
# XMLParser.doctype() is deprecated.
("This method of XMLParser is deprecated. Define doctype.. "
"method on the TreeBuilder target.", DeprecationWarning))
self.checkwarnings = test_support.check_warnings(*deprecations,
quiet=quiet)
def xmltoolkit63():
"""
Check reference leak.
>>> xmltoolkit63()
>>> count = sys.getrefcount(None) #doctest: +SKIP
>>> for i in range(1000):
... xmltoolkit63()
>>> sys.getrefcount(None) - count #doctest: +SKIP
0
"""
tree = ET.TreeBuilder()
tree.start("tag", {})
tree.data("text")
tree.end("tag")
# --------------------------------------------------------------------
def __init__(self, quiet=False):
if sys.flags.optimize >= 2:
# under -OO, doctests cannot be run and therefore not all warnings
# will be emitted
quiet = True
deprecations = (
# Search behaviour is broken if search path starts with "/".
("This search is broken in 1.3 and earlier, and will be fixed "
"in a future version. If you rely on the current behaviour, "
"change it to '.+'", FutureWarning),
# Element.getchildren() and Element.getiterator() are deprecated.
("This method will be removed in future versions. "
"Use .+ instead.", DeprecationWarning),
("This method will be removed in future versions. "
"Use .+ instead.", PendingDeprecationWarning),
# XMLParser.doctype() is deprecated.
("This method of XMLParser is deprecated. Define doctype.. "
"method on the TreeBuilder target.", DeprecationWarning))
self.checkwarnings = test_support.check_warnings(*deprecations,
quiet=quiet)
def xmltoolkit63():
"""
Check reference leak.
>>> xmltoolkit63()
>>> count = sys.getrefcount(None)
>>> for i in range(1000):
... xmltoolkit63()
>>> sys.getrefcount(None) - count
0
"""
tree = ET.TreeBuilder()
tree.start("tag", {})
tree.data("text")
tree.end("tag")
# --------------------------------------------------------------------
def __init__(self, quiet=False):
if sys.flags.optimize >= 2:
# under -OO, doctests cannot be run and therefore not all warnings
# will be emitted
quiet = True
deprecations = (
# Search behaviour is broken if search path starts with "/".
("This search is broken in 1.3 and earlier, and will be fixed "
"in a future version. If you rely on the current behaviour, "
"change it to '.+'", FutureWarning),
# Element.getchildren() and Element.getiterator() are deprecated.
("This method will be removed in future versions. "
"Use .+ instead.", DeprecationWarning),
("This method will be removed in future versions. "
"Use .+ instead.", PendingDeprecationWarning),
# XMLParser.doctype() is deprecated.
("This method of XMLParser is deprecated. Define doctype.. "
"method on the TreeBuilder target.", DeprecationWarning))
self.checkwarnings = test_support.check_warnings(*deprecations,
quiet=quiet)
def filter(self, text):
wanted_status = ['created_at', 'id', 'text', 'source', 'favorited']
wanted_user = ['id', 'name', 'screen_name', 'profile_image_url', 'url']
root = ET.fromstring(text)
builder = ET.TreeBuilder()
builder.start('statuses', {'type': 'array'})
for status in root.findall('status'):
builder.start('status', {})
for tag in wanted_status:
copy_element(builder, status, tag)
user = status.find('user')
builder.start('user', {})
for tag in wanted_user:
copy_element(builder, user, tag)
builder.end('user')
builder.end('status')
builder.end('statuses')
return ET.tostring(builder.close())
def filter(self, text):
wanted_status = ['created_at', 'id', 'text', 'source', 'favorited']
wanted_user = ['id', 'name', 'screen_name', 'url']
root = ET.fromstring(text)
builder = ET.TreeBuilder()
builder.start('statuses', {'type': 'array'})
for status in root.findall('status'):
builder.start('status', {})
for tag in wanted_status:
copy_element(builder, status, tag)
user = status.find('user')
builder.start('user', {})
for tag in wanted_user:
copy_element(builder, user, tag)
builder.end('user')
builder.end('status')
builder.end('statuses')
return ET.tostring(builder.close(), 'UTF-8')
def filter(self, text):
wanted_dm = ['created_at', 'id', 'text', 'source', 'sender_id', 'recipient_id', 'sender_screen_name', 'recipient_screen_name']
root = ET.fromstring(text)
builder = ET.TreeBuilder()
builder.start('direct-messages', {'type': 'array'})
for status in root.findall('direct_message'):
builder.start('direct_message', {})
for tag in wanted_status:
copy_element(builder, status, tag)
sender = status.find('sender')
builder.start('sender', {})
copy_element(builder, sender, 'profile_image_url')
builder.end('sender')
recipient = status.find('recipient')
builder.start('recipient', {})
copy_element(builder, recipient, 'profile_image_url')
builder.end('recipient')
builder.end('direct_message')
builder.end('direct-messages')
return ET.tostring(builder.close())
def filter(self, text):
wanted_dm = ['created_at', 'id', 'text', 'source', 'sender_id', 'recipient_id', 'sender_screen_name', 'recipient_screen_name']
root = ET.fromstring(text)
dm = root.find('direct_message')
builder = ET.TreeBuilder()
builder.start('direct_message', {})
for tag in wanted_dm:
copy_element(builder, dm, tag)
sender = status.find('sender')
builder.start('sender', {})
copy_element(builder, sender, 'profile_image_url')
builder.end('sender')
recipient = status.find('recipient')
builder.start('recipient', {})
copy_element(builder, recipient, 'profile_image_url')
builder.end('recipient')
builder.end('direct_message')
return ET.tostring(builder.close())
def bug_1534630():
"""
>>> bob = ET.TreeBuilder()
>>> e = bob.data("data")
>>> e = bob.start("tag", {})
>>> e = bob.end("tag")
>>> e = bob.close()
>>> serialize(e)
'<tag />'
"""
def parse(self, encoding=None, errors='strict', **kwargs):
"""
Return the contents of toolbox settings file with a nested structure.
:param encoding: encoding used by settings file
:type encoding: str
:param errors: Error handling scheme for codec. Same as ``decode()`` builtin method.
:type errors: str
:param kwargs: Keyword arguments passed to ``StandardFormat.fields()``
:type kwargs: dict
:rtype: ElementTree._ElementInterface
"""
builder = TreeBuilder()
for mkr, value in self.fields(encoding=encoding, errors=errors, **kwargs):
# Check whether the first char of the field marker
# indicates a block start (+) or end (-)
block=mkr[0]
if block in ("+", "-"):
mkr=mkr[1:]
else:
block=None
# Build tree on the basis of block char
if block == "+":
builder.start(mkr, {})
builder.data(value)
elif block == '-':
builder.end(mkr)
else:
builder.start(mkr, {})
builder.data(value)
builder.end(mkr)
return builder.close()
def bug_1534630():
"""
>>> bob = ET.TreeBuilder()
>>> e = bob.data("data")
>>> e = bob.start("tag", {})
>>> e = bob.end("tag")
>>> e = bob.close()
>>> serialize(e)
'<tag />'
"""
def bug_1534630():
"""
>>> bob = ET.TreeBuilder()
>>> e = bob.data("data")
>>> e = bob.start("tag", {})
>>> e = bob.end("tag")
>>> e = bob.close()
>>> serialize(e)
'<tag />'
"""
def parse(self, encoding=None, errors='strict', **kwargs):
"""
Return the contents of toolbox settings file with a nested structure.
:param encoding: encoding used by settings file
:type encoding: str
:param errors: Error handling scheme for codec. Same as ``decode()`` builtin method.
:type errors: str
:param kwargs: Keyword arguments passed to ``StandardFormat.fields()``
:type kwargs: dict
:rtype: ElementTree._ElementInterface
"""
builder = TreeBuilder()
for mkr, value in self.fields(encoding=encoding, errors=errors, **kwargs):
# Check whether the first char of the field marker
# indicates a block start (+) or end (-)
block=mkr[0]
if block in ("+", "-"):
mkr=mkr[1:]
else:
block=None
# Build tree on the basis of block char
if block == "+":
builder.start(mkr, {})
builder.data(value)
elif block == '-':
builder.end(mkr)
else:
builder.start(mkr, {})
builder.data(value)
builder.end(mkr)
return builder.close()
def __init__(self, encoding=None):
self.__stack = []
self.__builder = ET.TreeBuilder()
self.encoding = encoding or "iso-8859-1"
HTMLParser.__init__(self)
##
# Flushes parser buffers, and return the root element.
#
# @return An Element instance.
def __init__(self, encoding=None):
self.__stack = []
self.__builder = ET.TreeBuilder()
self.encoding = encoding or "iso-8859-1"
HTMLParser.__init__(self)
##
# Flushes parser buffers, and return the root element.
#
# @return An Element instance.
def parse(self, encoding=None, errors='strict', **kwargs):
"""
Return the contents of toolbox settings file with a nested structure.
:param encoding: encoding used by settings file
:type encoding: str
:param errors: Error handling scheme for codec. Same as ``decode()`` builtin method.
:type errors: str
:param kwargs: Keyword arguments passed to ``StandardFormat.fields()``
:type kwargs: dict
:rtype: ElementTree._ElementInterface
"""
builder = TreeBuilder()
for mkr, value in self.fields(encoding=encoding, errors=errors, **kwargs):
# Check whether the first char of the field marker
# indicates a block start (+) or end (-)
block=mkr[0]
if block in ("+", "-"):
mkr=mkr[1:]
else:
block=None
# Build tree on the basis of block char
if block == "+":
builder.start(mkr, {})
builder.data(value)
elif block == '-':
builder.end(mkr)
else:
builder.start(mkr, {})
builder.data(value)
builder.end(mkr)
return builder.close()
def bug_1534630():
"""
>>> bob = ET.TreeBuilder()
>>> e = bob.data("data")
>>> e = bob.start("tag", {})
>>> e = bob.end("tag")
>>> e = bob.close()
>>> serialize(e)
'<tag />'
"""
def bug_1534630():
"""
>>> bob = ET.TreeBuilder()
>>> e = bob.data("data")
>>> e = bob.start("tag", {})
>>> e = bob.end("tag")
>>> e = bob.close()
>>> serialize(e)
'<tag />'
"""
def parse(self, encoding=None, errors='strict', **kwargs):
"""
Return the contents of toolbox settings file with a nested structure.
:param encoding: encoding used by settings file
:type encoding: str
:param errors: Error handling scheme for codec. Same as ``decode()`` builtin method.
:type errors: str
:param kwargs: Keyword arguments passed to ``StandardFormat.fields()``
:type kwargs: dict
:rtype: ElementTree._ElementInterface
"""
builder = TreeBuilder()
for mkr, value in self.fields(encoding=encoding, errors=errors, **kwargs):
# Check whether the first char of the field marker
# indicates a block start (+) or end (-)
block=mkr[0]
if block in ("+", "-"):
mkr=mkr[1:]
else:
block=None
# Build tree on the basis of block char
if block == "+":
builder.start(mkr, {})
builder.data(value)
elif block == '-':
builder.end(mkr)
else:
builder.start(mkr, {})
builder.data(value)
builder.end(mkr)
return builder.close()
def parse(self, encoding=None, errors='strict', **kwargs):
"""
Return the contents of toolbox settings file with a nested structure.
:param encoding: encoding used by settings file
:type encoding: str
:param errors: Error handling scheme for codec. Same as ``decode()`` builtin method.
:type errors: str
:param kwargs: Keyword arguments passed to ``StandardFormat.fields()``
:type kwargs: dict
:rtype: ElementTree._ElementInterface
"""
builder = TreeBuilder()
for mkr, value in self.fields(encoding=encoding, errors=errors, **kwargs):
# Check whether the first char of the field marker
# indicates a block start (+) or end (-)
block=mkr[0]
if block in ("+", "-"):
mkr=mkr[1:]
else:
block=None
# Build tree on the basis of block char
if block == "+":
builder.start(mkr, {})
builder.data(value)
elif block == '-':
builder.end(mkr)
else:
builder.start(mkr, {})
builder.data(value)
builder.end(mkr)
return builder.close()
def filter(self, text):
wanted_dm = ['created_at', 'id', 'text', 'source', 'sender_id', 'recipient_id', 'sender_screen_name', 'recipient_screen_name']
root = ET.fromstring(text)
builder = ET.TreeBuilder()
builder.start('direct-messages', {'type': 'array'})
for dm in root.findall('direct_message'):
builder.start('direct_message', {})
for tag in wanted_dm:
copy_element(builder, dm, tag)
builder.end('direct_message')
builder.end('direct-messages')
return ET.tostring(builder.close())
def parse(self, encoding=None, errors='strict', **kwargs):
"""
Return the contents of toolbox settings file with a nested structure.
:param encoding: encoding used by settings file
:type encoding: str
:param errors: Error handling scheme for codec. Same as ``decode()`` builtin method.
:type errors: str
:param kwargs: Keyword arguments passed to ``StandardFormat.fields()``
:type kwargs: dict
:rtype: ElementTree._ElementInterface
"""
builder = TreeBuilder()
for mkr, value in self.fields(encoding=encoding, errors=errors, **kwargs):
# Check whether the first char of the field marker
# indicates a block start (+) or end (-)
block=mkr[0]
if block in ("+", "-"):
mkr=mkr[1:]
else:
block=None
# Build tree on the basis of block char
if block == "+":
builder.start(mkr, {})
builder.data(value)
elif block == '-':
builder.end(mkr)
else:
builder.start(mkr, {})
builder.data(value)
builder.end(mkr)
return builder.close()
def parse(self, encoding=None, errors='strict', **kwargs):
"""
Return the contents of toolbox settings file with a nested structure.
:param encoding: encoding used by settings file
:type encoding: str
:param errors: Error handling scheme for codec. Same as ``decode()`` builtin method.
:type errors: str
:param kwargs: Keyword arguments passed to ``StandardFormat.fields()``
:type kwargs: dict
:rtype: ElementTree._ElementInterface
"""
builder = TreeBuilder()
for mkr, value in self.fields(encoding=encoding, errors=errors, **kwargs):
# Check whether the first char of the field marker
# indicates a block start (+) or end (-)
block=mkr[0]
if block in ("+", "-"):
mkr=mkr[1:]
else:
block=None
# Build tree on the basis of block char
if block == "+":
builder.start(mkr, {})
builder.data(value)
elif block == '-':
builder.end(mkr)
else:
builder.start(mkr, {})
builder.data(value)
builder.end(mkr)
return builder.close()
def parse(self, encoding=None, errors='strict', **kwargs):
"""
Return the contents of toolbox settings file with a nested structure.
:param encoding: encoding used by settings file
:type encoding: str
:param errors: Error handling scheme for codec. Same as ``decode()`` builtin method.
:type errors: str
:param kwargs: Keyword arguments passed to ``StandardFormat.fields()``
:type kwargs: dict
:rtype: ElementTree._ElementInterface
"""
builder = TreeBuilder()
for mkr, value in self.fields(encoding=encoding, errors=errors, **kwargs):
# Check whether the first char of the field marker
# indicates a block start (+) or end (-)
block=mkr[0]
if block in ("+", "-"):
mkr=mkr[1:]
else:
block=None
# Build tree on the basis of block char
if block == "+":
builder.start(mkr, {})
builder.data(value)
elif block == '-':
builder.end(mkr)
else:
builder.start(mkr, {})
builder.data(value)
builder.end(mkr)
return builder.close()
def __init__(self):
et.TreeBuilder.__init__(self)
self.root_element = None
self.root_element_closed = False
def start(self, tag, attrs):
element = et.TreeBuilder.start(self, tag, attrs)
if self.root_element is None:
self.root_element = element
return element
def end(self, tag):
element = et.TreeBuilder.end(self, tag)
if self.root_element is element:
self.root_element_closed = True
return element
def parsefile():
"""
Test parsing from file.
>>> tree = ET.parse(SIMPLE_XMLFILE)
>>> normalize_crlf(tree)
>>> tree.write(sys.stdout, encoding='unicode')
<root>
<element key="value">text</element>
<element>text</element>tail
<empty-element />
</root>
>>> tree = ET.parse(SIMPLE_NS_XMLFILE)
>>> normalize_crlf(tree)
>>> tree.write(sys.stdout, encoding='unicode')
<ns0:root xmlns:ns0="namespace">
<ns0:element key="value">text</ns0:element>
<ns0:element>text</ns0:element>tail
<ns0:empty-element />
</ns0:root>
>>> with open(SIMPLE_XMLFILE) as f:
... data = f.read()
>>> parser = ET.XMLParser()
>>> parser.version # doctest: +ELLIPSIS
'Expat ...'
>>> parser.feed(data)
>>> print(serialize(parser.close()))
<root>
<element key="value">text</element>
<element>text</element>tail
<empty-element />
</root>
>>> parser = ET.XMLTreeBuilder() # 1.2 compatibility
>>> parser.feed(data)
>>> print(serialize(parser.close()))
<root>
<element key="value">text</element>
<element>text</element>tail
<empty-element />
</root>
>>> target = ET.TreeBuilder()
>>> parser = ET.XMLParser(target=target)
>>> parser.feed(data)
>>> print(serialize(parser.close()))
<root>
<element key="value">text</element>
<element>text</element>tail
<empty-element />
</root>
"""
def parsefile():
"""
Test parsing from file.
>>> tree = ET.parse(SIMPLE_XMLFILE)
>>> normalize_crlf(tree)
>>> tree.write(sys.stdout)
<root>
<element key="value">text</element>
<element>text</element>tail
<empty-element />
</root>
>>> tree = ET.parse(SIMPLE_NS_XMLFILE)
>>> normalize_crlf(tree)
>>> tree.write(sys.stdout)
<ns0:root xmlns:ns0="namespace">
<ns0:element key="value">text</ns0:element>
<ns0:element>text</ns0:element>tail
<ns0:empty-element />
</ns0:root>
>>> with open(SIMPLE_XMLFILE) as f:
... data = f.read()
>>> parser = ET.XMLParser()
>>> parser.version # doctest: +ELLIPSIS
'Expat ...'
>>> parser.feed(data)
>>> print serialize(parser.close())
<root>
<element key="value">text</element>
<element>text</element>tail
<empty-element />
</root>
>>> parser = ET.XMLTreeBuilder() # 1.2 compatibility
>>> parser.feed(data)
>>> print serialize(parser.close())
<root>
<element key="value">text</element>
<element>text</element>tail
<empty-element />
</root>
>>> target = ET.TreeBuilder()
>>> parser = ET.XMLParser(target=target)
>>> parser.feed(data)
>>> print serialize(parser.close())
<root>
<element key="value">text</element>
<element>text</element>tail
<empty-element />
</root>
"""
def parsefile():
"""
Test parsing from file.
>>> tree = ET.parse(SIMPLE_XMLFILE)
>>> normalize_crlf(tree)
>>> tree.write(sys.stdout)
<root>
<element key="value">text</element>
<element>text</element>tail
<empty-element />
</root>
>>> tree = ET.parse(SIMPLE_NS_XMLFILE)
>>> normalize_crlf(tree)
>>> tree.write(sys.stdout)
<ns0:root xmlns:ns0="namespace">
<ns0:element key="value">text</ns0:element>
<ns0:element>text</ns0:element>tail
<ns0:empty-element />
</ns0:root>
>>> with open(SIMPLE_XMLFILE) as f:
... data = f.read()
>>> parser = ET.XMLParser()
>>> parser.version # doctest: +ELLIPSIS
'Expat ...'
>>> parser.feed(data)
>>> print serialize(parser.close())
<root>
<element key="value">text</element>
<element>text</element>tail
<empty-element />
</root>
>>> parser = ET.XMLTreeBuilder() # 1.2 compatibility
>>> parser.feed(data)
>>> print serialize(parser.close())
<root>
<element key="value">text</element>
<element>text</element>tail
<empty-element />
</root>
>>> target = ET.TreeBuilder()
>>> parser = ET.XMLParser(target=target)
>>> parser.feed(data)
>>> print serialize(parser.close())
<root>
<element key="value">text</element>
<element>text</element>tail
<empty-element />
</root>
"""
def parsefile():
"""
Test parsing from file.
>>> tree = ET.parse(SIMPLE_XMLFILE)
>>> normalize_crlf(tree)
>>> tree.write(sys.stdout)
<root>
<element key="value">text</element>
<element>text</element>tail
<empty-element />
</root>
>>> tree = ET.parse(SIMPLE_NS_XMLFILE)
>>> normalize_crlf(tree)
>>> tree.write(sys.stdout)
<ns0:root xmlns:ns0="namespace">
<ns0:element key="value">text</ns0:element>
<ns0:element>text</ns0:element>tail
<ns0:empty-element />
</ns0:root>
>>> with open(SIMPLE_XMLFILE) as f:
... data = f.read()
>>> parser = ET.XMLParser()
>>> parser.version # doctest: +ELLIPSIS
'Expat ...'
>>> parser.feed(data)
>>> print serialize(parser.close())
<root>
<element key="value">text</element>
<element>text</element>tail
<empty-element />
</root>
>>> parser = ET.XMLTreeBuilder() # 1.2 compatibility
>>> parser.feed(data)
>>> print serialize(parser.close())
<root>
<element key="value">text</element>
<element>text</element>tail
<empty-element />
</root>
>>> target = ET.TreeBuilder()
>>> parser = ET.XMLParser(target=target)
>>> parser.feed(data)
>>> print serialize(parser.close())
<root>
<element key="value">text</element>
<element>text</element>tail
<empty-element />
</root>
"""
def parsefile():
"""
Test parsing from file.
>>> tree = ET.parse(SIMPLE_XMLFILE)
>>> normalize_crlf(tree)
>>> tree.write(sys.stdout)
<root>
<element key="value">text</element>
<element>text</element>tail
<empty-element />
</root>
>>> tree = ET.parse(SIMPLE_NS_XMLFILE)
>>> normalize_crlf(tree)
>>> tree.write(sys.stdout)
<ns0:root xmlns:ns0="namespace">
<ns0:element key="value">text</ns0:element>
<ns0:element>text</ns0:element>tail
<ns0:empty-element />
</ns0:root>
>>> with open(SIMPLE_XMLFILE) as f:
... data = f.read()
>>> parser = ET.XMLParser()
>>> parser.version # doctest: +ELLIPSIS
'Expat ...'
>>> parser.feed(data)
>>> print serialize(parser.close())
<root>
<element key="value">text</element>
<element>text</element>tail
<empty-element />
</root>
>>> parser = ET.XMLTreeBuilder() # 1.2 compatibility
>>> parser.feed(data)
>>> print serialize(parser.close())
<root>
<element key="value">text</element>
<element>text</element>tail
<empty-element />
</root>
>>> target = ET.TreeBuilder()
>>> parser = ET.XMLParser(target=target)
>>> parser.feed(data)
>>> print serialize(parser.close())
<root>
<element key="value">text</element>
<element>text</element>tail
<empty-element />
</root>
"""