def preprocess(self):
"""Unfortunately, the notice xml is often inaccurate. This function
attempts to fix some of those (general) flaws. For specific issues, we
tend to instead use the files in settings.LOCAL_XML_PATHS"""
for plugin in plugins.instantiate_if_possible(
'eregs_ns.parser.preprocessors', method_name='transform'):
plugin(self.xml)
return self
def content_of_change(self, instruction_xml):
"""Instructions which create or modify a chunk of the CFR need to know
not only which paragraphs are being modified, but the _content_ of
those modifications. This method searches the XML around the
instruction and attempts to derive a related Node"""
is_editing = instruction_xml.tag in ('POST', 'PUT', 'INSERT',
'RESERVE')
if not is_editing:
return None
for extension in instantiate_if_possible(
'eregs_ns.parser.amendment.content'):
result = extension(instruction_xml)
if result:
key, fn = result
if key is not None and key not in self.by_xml:
self.by_xml[key] = Content(fn(), [])
return self.by_xml.get(key)
def build_tree(reg_xml):
logger.info("Build tree %s", reg_xml)
preprocess_xml(reg_xml)
reg_part = get_reg_part(reg_xml)
title = get_title(reg_xml)
tree = Node("", [], [reg_part], title)
part = reg_xml.xpath('self::PART|.//PART')[0]
matchers = list(plugins.instantiate_if_possible(
'eregs_ns.parser.xml_matchers.gpo_cfr.PART'))
for xml_node in part.getchildren():
for plugin in matchers:
if plugin.matches(tree, xml_node):
plugin(tree, xml_node)
return tree
def build_tree(reg_xml):
preprocess_xml(reg_xml)
reg_part = get_reg_part(reg_xml)
title = get_title(reg_xml)
tree = Node("", [], [reg_part], title)
part = reg_xml.xpath('self::PART|.//PART')[0]
matchers = list(
plugins.instantiate_if_possible(
'eregs_ns.parser.xml_matchers.gpo_cfr.PART'))
for xml_node in part.getchildren():
for plugin in matchers:
if plugin.matches(tree, xml_node):
plugin(tree, xml_node)
return tree