Simple alternative to django-cities
Project description
django-cities-light -- *Simple django-cities alternative*
=========================================================
This add-on provides models and commands to import country/city data into your
database.
The data is pulled from `GeoNames
<http://www.geonames.org/>`_ and contains:
- country names
- optionnal city names
Spatial query support is not required by this application.
This application is very simple and is useful if you want to make a simple
address book for example. If you intend to build a fully featured spatial
database, you should use
`django-cities
<https://github.com/coderholic/django-cities>`_.
Installation
------------
Install django-cities-light::
pip install django-cities-light
Or the development version::
pip install -e git+git@github.com:yourlabs/django-cities-light.git#egg=cities_light
Add `cities_light` to your `INSTALLED_APPS`.
You may not need the city model and database table. A project like
betspire.com doesn't need it for instance. So the City model will be made
'abstract' if this setting is set as such::
CITIES_LIGHT_ENABLE_CITY=False
Now, run syncdb, it will only create tables for models that are not disabled::
./manage.py syncdb
Data update
-----------
Finnaly, populate your database with command::
./manage.py cities_light
This command is well documented, consult the help with::
./manage.py help cities_light
Filtering data import
---------------------
An example is worth 1000 words: if you want to import only cities from France,
USA and Belgium you could do as such::
import cities_light
def filter_city_import(sender, items, **kwargs):
if items[8] not in ('FR', 'US', 'BE'):
raise cities_light.InvalidItems()
cities_light.signals.city_items_pre_import.connect(filter_city_import)
Note: this signal gets a list rather than a City instance for performance reasons.
Configure logging
-----------------
This command is made to be compatible with background usage like from cron, to
keep the database fresh. So it doesn't do direct output. To get output from
this command, simply configure a handler and formatter for `cities_light`
logger. For example::
LOGGING = {
'version': 1,
'disable_existing_loggers': False,
'formatters': {
'simple': {
'format': '%(levelname)s %(message)s'
},
},
'handlers': {
'console':{
'level':'DEBUG',
'class':'logging.StreamHandler',
'formatter': 'simple'
},
},
'loggers': {
'cities_light': {
'handlers':['console'],
'propagate': True,
'level':'DEBUG',
},
# also use this one to see SQL queries
'django': {
'handlers':['console'],
'propagate': True,
'level':'DEBUG',
},
}
}
Ajax autocomplete
-----------------
django-autocomplete-light
~~~~~~~~~~~~~~~~~~~~~~~~~
If `autocomplete_light` from `django-autocomplete-light
<https://github.com/yourlabs/django-autocomplete-light/>`_, you
have two channels and a widget for City ModelChoiceField that has two
autocompletes: one for the country, and one for the city that is filtered by
the selected country.
Check out:
- `example project README
<https://github.com/yourlabs/django-autocomplete-light/blob/master/test_project/README>`_,
- `example project source code
<https://github.com/yourlabs/django-autocomplete-light/tree/master/test_project>`_,
- `example widget usage
<https://github.com/yourlabs/django-autocomplete-light/blob/master/test_project/project_specific/forms.py>`_.
django-ajax-selects
~~~~~~~~~~~~~~~~~~~
If `ajax_selects` from
`django-ajax-selects
<https://github.com/crucialfelix/django-ajax-selects>`_, you
should have two new channels usable right away:
- `cities_light_country`
- `cities_light_city`
Ideas for contribution
----------------------
- django-modeltranslation support and alternateNames.txt
- country flags support
I might implement this in the next project or refactor of
my projects that use django-cities-light. In the mean time,
this app just works because it's so simple. I wonder if there's a bug ....
=========================================================
This add-on provides models and commands to import country/city data into your
database.
The data is pulled from `GeoNames
<http://www.geonames.org/>`_ and contains:
- country names
- optionnal city names
Spatial query support is not required by this application.
This application is very simple and is useful if you want to make a simple
address book for example. If you intend to build a fully featured spatial
database, you should use
`django-cities
<https://github.com/coderholic/django-cities>`_.
Installation
------------
Install django-cities-light::
pip install django-cities-light
Or the development version::
pip install -e git+git@github.com:yourlabs/django-cities-light.git#egg=cities_light
Add `cities_light` to your `INSTALLED_APPS`.
You may not need the city model and database table. A project like
betspire.com doesn't need it for instance. So the City model will be made
'abstract' if this setting is set as such::
CITIES_LIGHT_ENABLE_CITY=False
Now, run syncdb, it will only create tables for models that are not disabled::
./manage.py syncdb
Data update
-----------
Finnaly, populate your database with command::
./manage.py cities_light
This command is well documented, consult the help with::
./manage.py help cities_light
Filtering data import
---------------------
An example is worth 1000 words: if you want to import only cities from France,
USA and Belgium you could do as such::
import cities_light
def filter_city_import(sender, items, **kwargs):
if items[8] not in ('FR', 'US', 'BE'):
raise cities_light.InvalidItems()
cities_light.signals.city_items_pre_import.connect(filter_city_import)
Note: this signal gets a list rather than a City instance for performance reasons.
Configure logging
-----------------
This command is made to be compatible with background usage like from cron, to
keep the database fresh. So it doesn't do direct output. To get output from
this command, simply configure a handler and formatter for `cities_light`
logger. For example::
LOGGING = {
'version': 1,
'disable_existing_loggers': False,
'formatters': {
'simple': {
'format': '%(levelname)s %(message)s'
},
},
'handlers': {
'console':{
'level':'DEBUG',
'class':'logging.StreamHandler',
'formatter': 'simple'
},
},
'loggers': {
'cities_light': {
'handlers':['console'],
'propagate': True,
'level':'DEBUG',
},
# also use this one to see SQL queries
'django': {
'handlers':['console'],
'propagate': True,
'level':'DEBUG',
},
}
}
Ajax autocomplete
-----------------
django-autocomplete-light
~~~~~~~~~~~~~~~~~~~~~~~~~
If `autocomplete_light` from `django-autocomplete-light
<https://github.com/yourlabs/django-autocomplete-light/>`_, you
have two channels and a widget for City ModelChoiceField that has two
autocompletes: one for the country, and one for the city that is filtered by
the selected country.
Check out:
- `example project README
<https://github.com/yourlabs/django-autocomplete-light/blob/master/test_project/README>`_,
- `example project source code
<https://github.com/yourlabs/django-autocomplete-light/tree/master/test_project>`_,
- `example widget usage
<https://github.com/yourlabs/django-autocomplete-light/blob/master/test_project/project_specific/forms.py>`_.
django-ajax-selects
~~~~~~~~~~~~~~~~~~~
If `ajax_selects` from
`django-ajax-selects
<https://github.com/crucialfelix/django-ajax-selects>`_, you
should have two new channels usable right away:
- `cities_light_country`
- `cities_light_city`
Ideas for contribution
----------------------
- django-modeltranslation support and alternateNames.txt
- country flags support
I might implement this in the next project or refactor of
my projects that use django-cities-light. In the mean time,
this app just works because it's so simple. I wonder if there's a bug ....
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