Even though I put the file in a directory define in %PATH% or try
with/without full path, with/without file extension, with
libspatialite-4.dll or using excute with all combination mentionned
before...
dbapi_conn.execute("SELECT load_extension('mod_spatialite.dll')")
Le mercredi 10 juillet 2019 08:53:21 UTC-4, Michael Lane a écrit :
>
> Try to find a way to import the dll but it always fails on the
> load_extension
>
> def load_spatialite(dbapi_conn, connection_record):
> dbapi_conn.enable_load_extension(True)
> dbapi_conn.load_extension('C:\\Scripts\\*mod_spatialite*.dll')
>
>
> Le mardi 9 juillet 2019 17:01:33 UTC-4, Michael Lane a écrit :
>>
>> I would like to use spatialite <https://pypi.org/project/spatialite/> in
>> my project but I don't find the right way to do that. Does anybody have
>> already done that and can give me an example?
>>
>> my environment:
>>
>> Windows 10:
>> Python version: 3.6.8
>> Local database: sqlite (for spatialite)
>> Remote database: postgresql
>>
>> I find a lot of exemples where spatialite is set in the module parameter
>> for the engine <https://docs.sqlalchemy.org/en/13/core/engines.html> in
>> create_engine using lib like libsqlite3, mod_spatialite, pysqlite3 in my
>> case I use spatialiteinstall with pip (package define in setup.py)
>>
>> My problem is then I don't have the control of create_engine, in the
>> engine comming from settings in ini so I think that I have to pass the
>> setting by the ini file but I did'nt get it. I didn't find any good example
>> of code using same combination environment as mine (windows, pyramid,
>> spatialite).
>>
>>
>> There are the settings of ini file:
>>
>>
>> pyramid.reload_templates = true
>> pyramid.reload_assets = true
>> pyramid.debug_authorization = true
>> pyramid.debug_notfound = false
>> pyramid.debug_routematch = true
>> pyramid.default_locale_name = en
>> pyramid.includes =
>> pyramid_debugtoolbar
>> pyramid_tm
>>
>> sqlalchemy.url = sqlite:///%(here)s/risc.sqlite
>>
>>
>> Code where the engine is create:
>>
>>
>> from sqlalchemy import engine_from_configfrom sqlalchemy.orm import
>> sessionmakerfrom sqlalchemy.orm import configure_mappersimport
>> zope.sqlalchemy
>>
>> # run configure_mappers after defining all of the models to ensure# all
>> relationships can be setup
>> configure_mappers()
>>
>> def get_engine(settings, prefix='sqlalchemy.'):
>> return engine_from_config(settings, prefix)
>>
>> def get_session_factory(engine):
>> factory = sessionmaker()
>> factory.configure(bind=engine)
>> return factory
>>
>> def get_tm_session(session_factory, transaction_manager):
>> dbsession = session_factory()
>> zope.sqlalchemy.register(dbsession,
>> transaction_manager=transaction_manager)
>> return dbsession
>>
>> def includeme(config):
>> settings = config.get_settings()
>> settings['tm.manager_hook'] = 'pyramid_tm.explicit_manager'
>>
>> # use pyramid_tm to hook the transaction lifecycle to the request
>> config.include('pyramid_tm')
>>
>> # use pyramid_retry to retry a request when transient exceptions occur
>> config.include('pyramid_retry')
>>
>> session_factory = get_session_factory(get_engine(settings))
>> config.registry['dbsession_factory'] = session_factory
>>
>> # make request.dbsession available for use in Pyramid
>> config.add_request_method(
>> # r.tm is the transaction manager used by pyramid_tm
>> lambda r: get_tm_session(session_factory, r.tm),
>> 'dbsession',
>> reify=True)
>>
>>
>> And the settings module of setup.py
>>
>>
>> requires = [
>> 'bcrypt',
>> 'docutils',
>> 'plaster_pastedeploy',
>> 'pyramid',
>> 'pyramid_debugtoolbar',
>> 'pyramid_retry',
>> 'pyramid_tm',
>> 'sqlalchemy',
>> 'transaction',
>> 'zope.sqlalchemy',
>> 'waitress',
>> 'sphinx',
>> 'flake8',
>> 'pyLint',
>> 'pg8000',
>> 'geoalchemy2',
>> 'spatialite']
>>
>>
>> I'm pretty sure than I miss a little something, but I'm not able to find
>> it my way. I little hint will be appreciated on this one.
>>
>>
>> Thanks
>>
>
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