def iterparse_until(source, target_name, quit_name):
'''Iteratively parse XML stream in ``source``, yielding XML elements
matching ``target_name``. If at any point a tag matching ``quit_name``
is encountered, stop parsing.
Parameters
----------
source: file-like
A file-like object over an XML document
tag_name: str
The name of the XML tag to parse until
quit_name: str
The name to stop parsing at.
Yields
------
lxml.etree.Element
'''
g = etree.iterparse(source, ('start', 'end'))
for event, tag in g:
if event == 'start':
if xml._local_name(tag) == quit_name:
break
else:
if xml._local_name(tag) == target_name:
yield tag
else:
tag.clear()
def iterparse_until(source, target_name, quit_name):
'''Iteratively parse XML stream in ``source``, yielding XML elements
matching ``target_name``. If at any point a tag matching ``quit_name``
is encountered, stop parsing.
Parameters
----------
source: file-like
A file-like object over an XML document
tag_name: str
The name of the XML tag to parse until
quit_name: str
The name to stop parsing at.
Yields
------
lxml.etree.Element
'''
g = etree.iterparse(source, ('start', 'end'))
for event, tag in g:
if event == 'start':
if xml._local_name(tag) == quit_name:
break
else:
if xml._local_name(tag) == target_name:
yield tag
else:
tag.clear()
def get_tag_attributes(source, tag_name, stop_at=None):
'''Iteratively parse XML stream in ``source`` until encountering ``tag_name``
at which point parsing terminates and return the attributes of the matched
tag.
Parameters
----------
source: file-like
A file-like object over an XML document
tag_name: str
The name of the XML tag to parse until
Returns
-------
dict
'''
g = etree.iterparse(source, ('start', 'end'))
for event, tag in g:
if event == 'start':
if xml._local_name(tag) == tag_name:
return tag.attrib
elif stop_at and xml._local_name(tag) == stop_at:
break
else:
continue
else:
tag.clear()
return None
def iterparse_until(source, target_name, quit_name):
g = etree.iterparse(source, ('start', 'end'))
for event, tag in g:
if event == 'start':
if xml._local_name(tag) == quit_name:
break
else:
if xml._local_name(tag) == target_name:
yield tag
else:
tag.clear()
def get_tag_attributes(source, tag_name):
'''Iteratively parse XML stream in ``source`` until encountering ``tag_name``
at which point parsing terminates and return the attributes of the matched
tag.
Parameters
----------
source: file-like
A file-like object over an XML document
tag_name: str
The name of the XML tag to parse until
Returns
-------
dict
'''
g = etree.iterparse(source, ('start', 'end'))
for event, tag in g:
if event == 'start':
if xml._local_name(tag) == tag_name:
return tag.attrib
else:
continue
else:
tag.clear()
return None
def get_tag_attributes(source, tag_name):
g = etree.iterparse(source, ('start', 'end'))
for event, tag in g:
if event == 'start':
if xml._local_name(tag) == tag_name:
return tag.attrib
else:
continue
else:
tag.clear()
return None