forked from cfpb/regulations-parser
/
build_from.py
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build_from.py
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import codecs
import logging
import sys
try:
import requests_cache
requests_cache.install_cache('fr_cache')
except ImportError:
# If the cache library isn't present, do nothing -- we'll just make full
# HTTP requests rather than looking it up from the cache
pass
from regparser.diff import treediff
from regparser.builder import Builder, LayerCacheAggregator
logger = logging.getLogger('build_from')
logger.setLevel(logging.INFO)
logger.addHandler(logging.StreamHandler())
if __name__ == "__main__":
if len(sys.argv) < 6:
print("Usage: python build_from.py regulation.xml title "
+ "notice_doc_# act_title act_section (Generate diffs? "
+ "True/False)")
print(" e.g. python build_from.py rege.txt 12 2011-31725 15 1693 "
+ "False")
exit()
with codecs.open(sys.argv[1], 'r', 'utf-8') as f:
reg = f.read()
doc_number = sys.argv[3]
# First, the regulation tree
reg_tree = Builder.reg_tree(reg)
builder = Builder(cfr_title=int(sys.argv[2]),
cfr_part=reg_tree.label_id(),
doc_number=doc_number)
# Didn't include the provided version
if not any(n['document_number'] == doc_number for n in builder.notices):
print "Could not find notice_doc_#, %s" % doc_number
exit()
builder.write_notices()
# Always do at least the first reg
logger.info("Version %s", doc_number)
builder.write_regulation(reg_tree)
layer_cache = LayerCacheAggregator()
builder.gen_and_write_layers(reg_tree, sys.argv[4:6], layer_cache)
layer_cache.replace_using(reg_tree)
if len(sys.argv) < 7 or sys.argv[6].lower() == 'true':
all_versions = {doc_number: reg_tree}
for last_notice, old, new_tree, notices in builder.revision_generator(
reg_tree):
version = last_notice['document_number']
logger.info("Version %s", version)
all_versions[version] = new_tree
builder.doc_number = version
builder.write_regulation(new_tree)
layer_cache.invalidate_by_notice(last_notice)
builder.gen_and_write_layers(new_tree, sys.argv[4:6],
layer_cache, notices)
layer_cache.replace_using(new_tree)
# now build diffs - include "empty" diffs comparing a version to itself
for lhs_version, lhs_tree in all_versions.iteritems():
for rhs_version, rhs_tree in all_versions.iteritems():
comparer = treediff.Compare(lhs_tree, rhs_tree)
comparer.compare()
builder.writer.diff(
reg_tree.label_id(), lhs_version, rhs_version
).write(comparer.changes)