kiva-dig/unpack_kiva.py

42 lines
1.2 KiB
Python

import zipfile
import json
import os
kiva_folder = 'kiva-data/'
def mkdirs():
os.mkdir(kiva_folder)
for f in map(lambda x: kiva_folder + x,
['loans', 'lenders', 'loans_lenders']):
if not os.path.isdir(f):
os.mkdir(f)
def reformat_json(json_obj):
return json.dumps(json_obj, sort_keys=True, separators=(',', ':'))
def unpack_kiva(filename="kiva_ds_json.zip"):
if not zipfile.is_zipfile(filename):
raise TypeError("Unable to unpack zip - Corrupted file?")
z = zipfile.ZipFile(filename)
names = z.namelist()
for json_name in filter(lambda x: 'json' in x, names):
try:
json_file = z.open(json_name)
json_string = json_file.read().decode('utf8')
json_obj = json.loads(json_string)
# Get `loan`, `lender`, etc.
obj_type = json_name.split('/')[0]
json_content = json_obj[obj_type]
formatted = [reformat_json(j) for j in json_content]
with open(kiva_folder + json_name, 'w+') as output:
output.write('\n'.join(formatted))
except json.JSONDecodeError:
print("Error decoding file {}".format(json_name))
if __name__ == '__main__':
mkdirs()
unpack_kiva()