92 lines
3 KiB
Python
Executable file
92 lines
3 KiB
Python
Executable file
#!/usr/bin/env python
|
||
# -*- coding: utf-8 -*-
|
||
|
||
import argparse
|
||
import csv
|
||
import os
|
||
import re
|
||
import sys
|
||
|
||
# CSV structure:
|
||
# 0 empty
|
||
# 1 iso country code
|
||
# 2 city code
|
||
# 3 full name
|
||
# the rest is unused
|
||
|
||
parser = argparse.ArgumentParser(description='''Find cities code from UNLOCODE.
|
||
If the exact name is found when a country code is given, only this match will
|
||
be shown, all the MATCHES are displayed otherwise. The font case isn’t taken in
|
||
account but the accents are.''')
|
||
parser.add_argument('--city', dest='city', type=str, required=True,
|
||
help='City name, will be looked for inside the CSV files')
|
||
parser.add_argument('--country', dest='country', type=str, required=False,
|
||
default='', help='''Country name, in ISO-3166 format, to narrow queries if
|
||
needed''')
|
||
args = parser.parse_args()
|
||
|
||
files = [file for file in os.listdir('.') if os.path.isfile(file)]
|
||
if len(files) == 0:
|
||
print('ERROR: No CSV file has been found.')
|
||
sys.exit(1)
|
||
|
||
def csvprocessing(city):
|
||
"""Tries to find the wanted city code into the list `city`."""
|
||
|
||
if (args.city.lower() == city[3].lower() and
|
||
args.country.lower() == city[1].lower()):
|
||
EXACT_MATCH.append(city)
|
||
if args.city.lower() == city[3].lower() and len(args.country) == 0:
|
||
MULTIPLE_MATCHES.append(city)
|
||
elif args.city.lower() in city[3].lower():
|
||
MATCHES.append(city)
|
||
|
||
def csvloop(file):
|
||
"""Loop over the lines of the CSV file. We have one list per line."""
|
||
|
||
entries = csv.reader(file)
|
||
for entry in entries:
|
||
csvprocessing(entry)
|
||
|
||
def print_results(exactitude, result_list):
|
||
"""Stupid function to print results based on very basic formating
|
||
condition."""
|
||
|
||
for match in result_list:
|
||
if re.match(r"^([A-Z]+)$", match[1]) and len(match[2]) > 0:
|
||
print('{} {} found for {} from country {}'.format(
|
||
exactitude, match[2], match[3], match[1]
|
||
))
|
||
|
||
# Global variables needed on the used functions
|
||
global MATCHES
|
||
global EXACT_MATCH
|
||
global MULTIPLE_MATCHES
|
||
MATCHES = []
|
||
EXACT_MATCH = []
|
||
MULTIPLE_MATCHES = []
|
||
|
||
# We look for all the CSV files in the current dir
|
||
for dir_file in files:
|
||
if re.match(r".*\.csv", dir_file, re.I):
|
||
# We can’t assume that CSV file is utf-8 encoded
|
||
try:
|
||
with open(dir_file) as csvfile:
|
||
csvloop(csvfile)
|
||
except UnicodeDecodeError:
|
||
with open(dir_file, encoding='latin-1') as csvfile:
|
||
csvloop(csvfile)
|
||
|
||
# If the country has been provided
|
||
if len(EXACT_MATCH) > 0:
|
||
print_results('Exact match', EXACT_MATCH)
|
||
# If the country hasn’t been provided but the cit(y|es) exist(s)
|
||
elif len(MULTIPLE_MATCHES) > 0:
|
||
print_results('Multiple matches', MULTIPLE_MATCHES)
|
||
# Otherwise, throw some garbage to the user
|
||
else:
|
||
if len(args.country) > 0:
|
||
print('Country code has been provided, but no match has been found.',
|
||
file=sys.stderr)
|
||
print('Falling back to worldwide lookup.', file=sys.stderr)
|
||
print_results('Non-exact matches', MATCHES)
|