forked from cfpb/regulations-xml-parser
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reg_xml_parser.py
executable file
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reg_xml_parser.py
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#!/usr/bin/env python
from __future__ import print_function
import argparse
import sys
import os
import json
from lxml import etree
from regulation.tree import (build_analysis,
build_external_citations_layer,
build_formatting_layer,
build_graphics_layer,
build_internal_citations_layer,
build_interp_layer,
build_keyterm_layer,
build_meta_layer,
build_notice,
build_paragraph_marker_layer,
build_reg_tree,
build_terms_layer,
build_toc_layer)
from regulation.validation import EregsValidator
from regulation.diff import *
from itertools import combinations
from utils.graph import build_graph
import settings
if (sys.version_info < (3, 0)):
reload(sys) # noqa
sys.setdefaultencoding('UTF8')
def diff_driver(regulation_files):
pairs = combinations(regulation_files, 2)
for pair in pairs:
with open(pair[0], 'r') as f:
xml_tree1 = etree.fromstring(f.read())
with open(pair[1], 'r') as f:
xml_tree2 = etree.fromstring(f.read())
reg_tree1 = build_reg_tree(xml_tree1)
reg_tree2 = build_reg_tree(xml_tree2)
recursive_comparison(reg_tree1, reg_tree2)
def write_layer(layer_object, reg_number, notice, layer_type):
layer_path = os.path.join(settings.JSON_ROOT, layer_type, reg_number)
if not os.path.exists(layer_path):
os.mkdir(layer_path)
layer_file = os.path.join(layer_path, notice)
json.dump(layer_object, open(layer_file, 'w'), indent=4,
separators=(',', ':'))
def parser_driver(regulation_file,
check_terms=False,
correct_interps=False,
headerize_interps=False,
fix_missed_cites=False):
with open(regulation_file, 'r') as f:
reg_xml = f.read()
xml_tree = etree.fromstring(reg_xml)
# validate relative to schema
validator = EregsValidator(settings.XSD_FILE)
validator.validate_reg(xml_tree)
if not validator.is_valid:
for event in validator.events:
print(str(event))
sys.exit(0)
reg_tree = build_reg_tree(xml_tree)
reg_number = reg_tree.label[0]
# we can correct interps right away if necessary
if correct_interps:
validator.insert_interp_markers(xml_tree, regulation_file)
if headerize_interps:
validator.headerize_interps(xml_tree, regulation_file)
if fix_missed_cites:
validator.fix_omitted_cites(xml_tree, regulation_file)
paragraph_markers = build_paragraph_marker_layer(xml_tree)
internal_citations = build_internal_citations_layer(xml_tree)
external_citations = build_external_citations_layer(xml_tree)
terms = build_terms_layer(xml_tree)
meta = build_meta_layer(xml_tree)
toc = build_toc_layer(xml_tree)
keyterms = build_keyterm_layer(xml_tree)
graphics = build_graphics_layer(xml_tree)
formatting = build_formatting_layer(xml_tree)
interps = build_interp_layer(xml_tree)
analysis = build_analysis(xml_tree)
notice_dict = build_notice(xml_tree)
# if the validator had problems then we should report them and bail out
validator.validate_terms(xml_tree, terms)
validator.validate_internal_cites(xml_tree, internal_citations)
if check_terms:
validator.validate_term_references(xml_tree, terms, regulation_file)
for event in validator.events:
print(str(event))
reg_tree.include_children = True
reg_json = reg_tree.to_json()
notice = xml_tree.find('.//{eregs}documentNumber').text
version = os.path.split(regulation_file)[-1].replace('.xml', '')
if notice != version:
print('Notice ({}) different from version ({}), using version'.format(notice, version))
notice = version
write_layer(reg_json, reg_number, notice, 'regulation')
write_layer(meta, reg_number, notice, 'layer/meta')
write_layer(paragraph_markers, reg_number, notice,
'layer/paragraph-markers')
write_layer(internal_citations, reg_number, notice,
'layer/internal-citations')
write_layer(external_citations, reg_number, notice,
'layer/external-citations')
write_layer(terms, reg_number, notice, 'layer/terms')
write_layer(toc, reg_number, notice, 'layer/toc')
write_layer(keyterms, reg_number, notice, 'layer/keyterms')
write_layer(graphics, reg_number, notice, 'layer/graphics')
write_layer(formatting, reg_number, notice, 'layer/formatting')
write_layer(interps, reg_number, notice, 'layer/interpretations')
write_layer(analysis, reg_number, notice, 'layer/analyses')
write_layer(notice_dict, reg_number, notice, 'notice')
if __name__ == '__main__':
parser = argparse.ArgumentParser()
parser.add_argument('operation', action='store', choices=['parse', 'compare', 'graph'])
parser.add_argument('regulation-files', nargs='*')
parser.add_argument('notice-doc-numbers', nargs='*')
parser.add_argument('--with-term-checks', nargs='?', default=False, type=bool)
parser.add_argument('--correct-interp-markers', nargs='?', default=False, type=bool)
parser.add_argument('--headerize-interps', nargs='?', default=False, type=bool)
parser.add_argument('--fix-missed-cites', nargs='?', default=False, type=bool)
args = vars(parser.parse_args())
if args['operation'] == 'parse':
if args['regulation-files'] is not None:
for regfile in args['regulation-files']:
print('Parsing {}'.format(regfile))
parser_driver(regfile, args['with_term_checks'],
args['correct_interp_markers'],
args['headerize_interps'],
args['fix_missed_cites'])
elif args['operation'] == 'compare':
if args['regulation-files'] is not None:
diff_driver(args['regulation-files'])
elif args['operation'] == 'graph':
if args['regulation-files'] is not None:
for regfile in args['regulation-files']:
build_graph(regfile)