colouring-montreal/etl/check_ab_mm_match.py

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"""Check if AddressBase TOIDs will match MasterMap
"""
import csv
import glob
import os
import sys
from multiprocessing import Pool
csv.field_size_limit(sys.maxsize)
def main(ab_path, mm_path):
ab_paths = sorted(glob.glob(os.path.join(ab_path, "*.gml.csv.filtered")))
mm_paths = sorted(glob.glob(os.path.join(mm_path, "*.gml.csv")))
try:
assert len(ab_paths) == len(mm_paths)
except AssertionError:
print(ab_paths)
print(mm_paths)
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zipped_paths = zip(ab_paths, mm_paths)
# parallel map over tiles
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with Pool(4) as p:
p.starmap(check, zipped_paths)
def check(ab_path, mm_path):
tile = str(os.path.basename(ab_path)).split(".")[0]
output_base = os.path.dirname(ab_path)
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ab_toids = set()
mm_toids = set()
with open(ab_path, 'r') as fh:
r = csv.DictReader(fh)
for line in r:
ab_toids.add(line['toid'])
with open(mm_path, 'r') as fh:
r = csv.DictReader(fh)
for line in r:
mm_toids.add(line['fid'])
missing = ab_toids - mm_toids
print(tile, "MasterMap:", len(mm_toids), "Addressbase:", len(ab_toids), "AB but not MM:", len(missing))
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with open(os.path.join(output_base, 'missing_toids_{}.txt'.format(tile)), 'w') as fh:
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for toid in missing:
fh.write("{}\n".format(toid))
with open(os.path.join(output_base, 'ab_toids_{}.txt'.format(tile)), 'w') as fh:
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for toid in ab_toids:
fh.write("{}\n".format(toid))
if __name__ == '__main__':
if len(sys.argv) != 3:
print("Usage: check_ab_mm_match.py ./path/to/addressbase/dir ./path/to/mastermap/dir")
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exit(-1)
main(sys.argv[1], sys.argv[2])