def merge_cities_file(cls, _format="csv"):
res = []
codes = {
country: code
for code, country in bc.Locale("en", "US").territories.iteritems()
}
for country in cls.request_country_codes().iterkeys():
cities = defaultdict(dict)
if country == "United States of America":
short_country = "United States"
elif country == "People's Republic of China":
short_country = "China"
else:
short_country = country
country_code = codes.get(short_country, "ZZ")
for lang in cls.SUPPORTED_LANGUAGES:
filename = cls.get_file_name(country, lang)
if FileManager.exists(filename):
for element in FileManager.read(filename, _format="json"):
cities[element["city"]].update(element)
cities[element["city"]]['name:%s' %
lang] = element["cityLabel"]
if _format == "json":
res = cls.to_json(res, cities.itervalues(), country_code)
elif _format == "csv":
res = cls.to_csv(res, cities.itervalues(), country_code)
else:
raise TypeError("Format %s not supported" % _format)
FileManager.write(os.path.join(
cls.CITIES_FOLDER_NAME,
cls.WORLD_CITIES_FILE.format(format=_format)),
res,
_format=_format)
def has_already_data(cls, _type, mlon, mlat, Mlon, Mlat, _try=0):
if _try > cls.MAX_TRY:
return False
filename = cls.get_file_name(_type, mlon, mlat, Mlon, Mlat)
if FileManager.exists(filename):
return True
av_lon, av_lat = (Mlon - mlon) / 2., (Mlat - mlat) / 2.
return all([
cls.has_already_data(_type,
mlon,
mlat,
Mlon - av_lon,
Mlat - av_lat,
_try=_try + 1),
cls.has_already_data(_type,
mlon,
mlat + av_lat,
Mlon - av_lon,
Mlat,
_try=_try + 1),
cls.has_already_data(_type,
mlon + av_lon,
mlat,
Mlon,
Mlat - av_lat,
_try=_try + 1),
cls.has_already_data(_type,
mlon + av_lon,
mlat + av_lat,
Mlon,
Mlat,
_try=_try + 1)
])
def has_already_data(cls, country, lang):
filename = cls.get_file_name(country, lang)
if FileManager.exists(filename):
return True
