django-cities provides you with place related models (eg. Country, Region, City) and data (from GeoNames) that can be used in your django projects.
Authored by Ben Dowling, and some great contributors.
** This release of django-cities is not backwards compatible with previous versions **
The country model has some new fields:
- elevation
- area
- currency
- currency_name
- languages
- neighbours
- capital
- phone
Alternative name support has been completely overhauled. The code and usage should now be much simpler. See the updated examples below.
The code field no longer contains the parent code. Eg. the code for California, US is now "CA". In the previous release it was "US.CA".
These changes mean that upgrading from a previous version isn't simple. All of the place IDs are the same though, so if you do want to upgrade it should be possible.
Your database must support spatial queries, see the GeoDjango documentation for details and setup instructions.
Either clone this repository into your project, or install with pip install django-cities
You'll need to add cities to INSTALLED_APPS in your projects settings.py file:
INSTALLED_APPS = (
...
'cities',
)Then run ./manage.py syncdb to create the required database tables, and ./manage.py cities --import=all to import all of the place data. NOTE: This can take a long time.
There are various optional configuration options you can set in your settings.py:
# Override the default source files and URLs
CITIES_FILES = {
'city': {
'filename': 'cities1000.zip',
'urls': ['http://download.geonames.org/export/dump/'+'{filename}']
},
}
# Localized names will be imported for all ISO 639-1 locale codes below.
# 'und' is undetermined language data (most alternate names are missing a lang tag).
# See download.geonames.org/export/dump/iso-languagecodes.txt
# 'LANGUAGES' will match your language settings, and 'ALL' will install everything
CITIES_LOCALES = ['en', 'und', 'LANGUAGES']
# Postal codes will be imported for all ISO 3166-1 alpha-2 country codes below.
# You can also specificy 'ALL' to import all postal codes.
# See cities.conf for a full list of country codes. 'ALL' will install everything.
# See download.geonames.org/export/dump/countryInfo.txt
CITIES_POSTAL_CODES = ['US', 'CA']
# List of plugins to process data during import
CITIES_PLUGINS = [
'cities.plugin.postal_code_ca.Plugin', # Canada postal codes need region codes remapped to match geonames
]This repostitory contains an example project which lets you browse the place hierarchy. See the example directory. Below are some small snippets to show you the kind of things that are possible:
# Find the 5 most populated countries in the World
>>> Country.objects.order_by('-population')[:5]
[<Country: China>, <Country: India>, <Country: United States>, <Country: Indonesia>, <Country: Brazil>]
# Find what country the .ly TLD belongs to
>>> Country.objects.get(tld='ly')
<Country: Libya>
# 5 Nearest cities to London
>>> london = City.objects.filter(country__name='United Kingdom').get(name='London')
>>> nearest = City.objects.distance(london.location).exclude(id=london.id).order_by('distance')[:5]
# All cities in a state or county
>>> City.objects.filter(country__code="US", region__code="TX")
>>> City.objects.filter(country__name="United States", subregion__name="Orange County")
# Get all countries in Japanese preferring official names if available, fallback on ASCII names:
>>> [country.alt_names_ja.get_preferred(default=country.name) for country in Country.objects.all()]
# Alternate names for the US in English, Spanish and German
>>> [x.name for x in Country.objects.get(code='US').alt_names.filter(language='de')]
[u'USA', u'Vereinigte Staaten']
>>> [x.name for x in Country.objects.get(code='US').alt_names.filter(language='es')]
[u'Estados Unidos']
>>> [x.name for x in Country.objects.get(code='US').alt_names.filter(language='en')]
[u'United States of America', u'America', u'United States']
# Alternative names for Vancouver, Canada
>>> City.objects.get(name='Vancouver', country__code='CA').alt_names.all()
[<AlternativeName: 溫哥華 (yue)>, <AlternativeName: Vankuver (uz)>, <AlternativeName: Ванкувер (ce)>, <AlternativeName: 溫哥華 (zh)>, <AlternativeName: वैंकूवर (hi)>, <AlternativeName: Ванкувер (tt)>, <AlternativeName: Vankuveris (lt)>, <AlternativeName: Fankoever (fy)>, <AlternativeName: فانكوفر (arz)>, <AlternativeName: Ванкувер (mn)>, <AlternativeName: ဗန်ကူးဗားမ_ (my)>, <AlternativeName: व्हँकूव्हर (mr)>, <AlternternativeName: வான்கூவர் (ta)>, <AlternativeName: فانكوفر (ar)>, <AlternativeName: Vankuver (az)>, <AlternativeName: Горад Ванкувер (be)>, <AlternativeName: ভ্যানকুভার (bn)>, <AlternativeName: แวนคูเวอร์ (th)>, <Al <AlternativeName: Ванкувер (uk)>, <AlternativeName: ਵੈਨਕੂਵਰ (pa)>, '...(remaining elements truncated)...']
# Get zip codes near Mountain View, CA
>>> PostalCode.objects.distance(City.objects.get(name='Mountain View', region__name='California').location).order_by('distance')[:5]
[<PostalCode: 94040>, <PostalCode: 94041>, <PostalCode: 94043>, <PostalCode: 94024>, <PostalCode: 94022>]Some datasets are very large (> 100 MB) and take time to download / import, and there's no progress display.
Data will only be downloaded / imported if it is newer than your data, and only matching rows will be overwritten.
The cities manage command has options, see --help. Verbosity is controlled through LOGGING.
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