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libpostal/scripts/geodata/countries/country_names.py

145 lines
4.4 KiB
Python

# -*- coding: utf-8 -*-
from __future__ import unicode_literals
import os
import sys
import pycountry
from collections import OrderedDict
from lxml import etree
this_dir = os.path.realpath(os.path.dirname(__file__))
sys.path.append(os.path.realpath(os.path.join(os.pardir, os.pardir)))
from geodata.i18n.unicode_paths import CLDR_DIR
from geodata.i18n.languages import *
from geodata.encoding import safe_decode
CLDR_MAIN_PATH = os.path.join(CLDR_DIR, 'common', 'main')
IGNORE_COUNTRIES = set(['ZZ'])
COUNTRY_USE_SHORT_NAME = set(['HK', 'MM', 'MO', 'PS'])
COUNTRY_USE_VARIANT_NAME = set(['CD', 'CG', 'CI', 'TL'])
LANGUAGE_COUNTRY_OVERRIDES = {
'en': {
'CD': 'Democratic Republic of the Congo',
'CG': 'Republic of the Congo',
},
# Countries that don't have their language in CLDR
# Tajik / Tajikistan
'tg': {
'TJ': 'Тоҷикистон',
},
# Maldivan / Maldives
'dv': {
'MV': 'ދިވެހިރާއްޖެ',
}
}
def cldr_country_names(language, base_dir=CLDR_MAIN_PATH):
filename = os.path.join(base_dir, '{}.xml'.format(language))
xml = etree.parse(open(filename))
country_names = defaultdict(dict)
for territory in xml.xpath('*//territories/*'):
country_code = territory.attrib['type']
if country_code in IGNORE_COUNTRIES or country_code.isdigit():
continue
country_names[country_code][territory.attrib.get('alt')] = safe_decode(territory.text)
display_names = {}
for country_code, names in country_names.iteritems():
if country_code in LANGUAGE_COUNTRY_OVERRIDES.get(language, {}):
display_names[country_code] = safe_decode(LANGUAGE_COUNTRY_OVERRIDES[language][country_code])
continue
default_name = names.get(None)
if country_code in COUNTRY_USE_SHORT_NAME:
display_names[country_code] = names.get('short', default_name)
elif country_code in COUNTRY_USE_VARIANT_NAME:
display_names[country_code] = names.get('variant', default_name)
elif default_name is not None:
display_names[country_code] = default_name
return display_names
country_alpha2_codes = set([c.alpha2.lower() for c in pycountry.countries])
country_alpha3_codes = set([c.alpha3.lower() for c in pycountry.countries])
country_alpha3_map = {c.alpha3.lower(): c.alpha2.lower() for c in pycountry.countries}
language_country_names = {}
country_official_names = defaultdict(OrderedDict)
country_local_names = defaultdict(OrderedDict)
def init_country_names(base_dir=CLDR_MAIN_PATH):
global language_country_names
init_languages()
local_languages = {country: get_country_languages(country, official=False)
or OrderedDict([('en', 1)])
for country in country_alpha2_codes}
country_language_names = defaultdict(dict)
for filename in os.listdir(base_dir):
lang = filename.split('.xml')[0]
if len(lang) > 3:
continue
names = cldr_country_names(lang, base_dir=base_dir)
lang = lang.lower()
language_country_names[lang] = names
for country, name in names.iteritems():
country = country.lower()
if lang in local_languages.get(country, {}):
country_language_names[country][lang] = name
for l, names in LANGUAGE_COUNTRY_OVERRIDES.iteritems():
if l not in language_country_names:
language_country_names[l.lower()] = names
for c, name in names.iteritems():
if c.lower() not in country_language_names:
country_language_names[c.lower()][l.lower()] = name
for country, langs in local_languages.iteritems():
names = country_language_names[country]
num_defaults = sum((1 for lang in names.keys() if langs.get(lang)))
for i, (lang, default) in enumerate(langs.iteritems()):
name = names.get(lang)
if not name:
continue
if default or num_defaults == 0:
country_official_names[country][lang] = name
if num_defaults == 0:
break
country_local_names[country][lang] = name
def country_official_name(country_code):
if not country_official_names:
init_country_names()
return ' / '.join(OrderedDict.fromkeys(n.replace('-', ' ')
for n in country_official_names[c].values()).keys())