def load_comparison(left_bill, left_version, right_bill, right_version, timelimit=10, force=False):
from billtext import load_bill_text, compare_xml_text, get_current_version
import lxml
left_bill = Bill.objects.get(id = left_bill)
right_bill = Bill.objects.get(id = right_bill)
if left_version == "": left_version = get_current_version(left_bill)
if right_version == "": right_version = get_current_version(right_bill)
btc = None
try:
btc = BillTextComparison.objects.get(
bill1 = left_bill,
ver1 = left_version,
bill2 = right_bill,
ver2 = right_version)
btc.decompress()
if not force: return btc.data
except BillTextComparison.DoesNotExist:
pass
# Try with the bills swapped.
try:
btc2 = BillTextComparison.objects.get(
bill2 = left_bill,
ver2 = left_version,
bill1 = right_bill,
ver1 = right_version)
btc2.decompress()
data = btc2.data
return {
"left_meta": data["right_meta"],
"right_meta": data["left_meta"],
"left_text": data["right_text"],
"right_text": data["left_text"],
}
except BillTextComparison.DoesNotExist:
pass
left = load_bill_text(left_bill, left_version, mods_only=True)
right = load_bill_text(right_bill, right_version, mods_only=True)
doc1 = lxml.etree.parse(left["basename"] + ".html")
doc2 = lxml.etree.parse(right["basename"] + ".html")
compare_xml_text(doc1, doc2, timelimit=timelimit) # revises DOMs in-place
# dates aren't JSON serializable
left["docdate"] = left["docdate"].strftime("%x")
right["docdate"] = right["docdate"].strftime("%x")
ret = {
"left_meta": left,
"right_meta": right,
"left_text": lxml.etree.tostring(doc1),
"right_text": lxml.etree.tostring(doc2),
}
if not btc:
btc = BillTextComparison(
bill1 = left_bill,
ver1 = left_version,
bill2 = right_bill,
ver2 = right_version,
data = dict(ret)) # clone before compress()
else:
btc.data = dict(ret) # clone before compress()
btc.compress()
btc.save()
return ret
def load_comparison(left_bill,
left_version,
right_bill,
right_version,
timelimit=10,
force=False):
from billtext import load_bill_text, compare_xml_text, get_current_version
import lxml
left_bill = Bill.objects.get(id=left_bill)
right_bill = Bill.objects.get(id=right_bill)
if left_version == "": left_version = get_current_version(left_bill)
if right_version == "": right_version = get_current_version(right_bill)
btc = None
try:
btc = BillTextComparison.objects.get(bill1=left_bill,
ver1=left_version,
bill2=right_bill,
ver2=right_version)
btc.decompress()
if not force: return btc.data
except BillTextComparison.DoesNotExist:
pass
# Try with the bills swapped.
try:
btc2 = BillTextComparison.objects.get(bill2=left_bill,
ver2=left_version,
bill1=right_bill,
ver1=right_version)
btc2.decompress()
data = btc2.data
return {
"left_meta": data["right_meta"],
"right_meta": data["left_meta"],
"left_text": data["right_text"],
"right_text": data["left_text"],
}
except BillTextComparison.DoesNotExist:
pass
left = load_bill_text(left_bill, left_version, mods_only=True)
right = load_bill_text(right_bill, right_version, mods_only=True)
try:
doc1 = lxml.etree.parse(left["html_file"])
doc2 = lxml.etree.parse(right["html_file"])
except KeyError:
raise IOError(
"The HTML bill text format is not available for one of the bills.")
compare_xml_text(doc1, doc2, timelimit=timelimit) # revises DOMs in-place
# dates aren't JSON serializable
left["docdate"] = left["docdate"].strftime("%x")
right["docdate"] = right["docdate"].strftime("%x")
ret = {
"left_meta": left,
"right_meta": right,
"left_text": lxml.etree.tostring(doc1),
"right_text": lxml.etree.tostring(doc2),
}
if not btc:
btc = BillTextComparison(bill1=left_bill,
ver1=left_version,
bill2=right_bill,
ver2=right_version,
data=dict(ret)) # clone before compress()
else:
btc.data = dict(ret) # clone before compress()
btc.compress()
btc.save()
return ret