On 2018-01-12 11:28, Cato Nano wrote:
> Il giorno venerdì 12 gennaio 2018 19:10:06 UTC+1, Cédric Krier ha scritto:
> > On 2018-01-12 09:35, Cato Nano wrote:
> > > Ok, now I' m at this (The database ":memory:" does not exist)
> > >
> > > This is the pip3 based setup. Which component is missing ?
> > >
> > > >>> config = config.set_trytond('sqlite:///:memory:')
> > > Traceback (most recent call last):
> > > File "<stdin>", line 1, in <module>
> > > File
> > > "/home/catonano/tributi/env/lib/python3.6/site-packages/proteus/config.py",
> > > line 274, in set_trytond
> > > _CONFIG.current = TrytondConfig(database, user,
> > > config_file=config_file)
> > > File
> > > "/home/catonano/tributi/env/lib/python3.6/site-packages/proteus/config.py",
> > > line 230, in __init__
> > > with Transaction().start(self.database_name, 0) as transaction:
> > > File
> > > "/home/catonano/tributi/env/lib/python3.6/site-packages/trytond/transaction.py",
> > > line 88, in start
> > > database = Database(database_name).connect()
> > > File
> > > "/home/catonano/tributi/env/lib/python3.6/site-packages/trytond/backend/postgresql/database.py",
> > > line 96, in __new__
> > > cursor_factory=LoggingCursor)
> > > File
> > > "/home/catonano/tributi/env/lib/python3.6/site-packages/psycopg2/pool.py",
> > > line 161, in __init__
> > > self, minconn, maxconn, *args, **kwargs)
> > > File
> > > "/home/catonano/tributi/env/lib/python3.6/site-packages/psycopg2/pool.py",
> > > line 58, in __init__
> > > self._connect()
> > > File
> > > "/home/catonano/tributi/env/lib/python3.6/site-packages/psycopg2/pool.py",
> > > line 62, in _connect
> > > conn = psycopg2.connect(*self._args, **self._kwargs)
> > > File
> > > "/home/catonano/tributi/env/lib/python3.6/site-packages/psycopg2/__init__.py",
> > > line 130, in connect
> > > conn = _connect(dsn, connection_factory=connection_factory, **kwasync)
> > > psycopg2.OperationalError: FATALE: il database ":memory:" non esiste
> >
> > You seem to have already imported trytond before running the
> > 'set_trytond' so the previous import setup PostgreSQL as database
> > backend which does not have ':memory:' database.
> > Tryton can not change the backend during the run time, so it must be
> > set once at the beginning and not change during the execution.
>
> Thank you Cédric, I'll try tomorrow.
>
> I tried these lines, in this order
>
> >>> from proteus import config, Model, Wizard, Report
> >>> config = config.set_trytond('sqlite:///:memory:')
>
> because this is what I saw here
>
> https://github.com/tryton/proteus
>
> So I understand that I should run
>
> >>> config = config.set_trytond('sqlite:///:memory:')
>
> as a first step ?
No this is correct. So maybe you have TRYTOND_CONFIG environment
variable set to a configuration file that configure postgresql as
backend.
--
Cédric Krier - B2CK SPRL
Email/Jabber: [email protected]
Tel: +32 472 54 46 59
Website: http://www.b2ck.com/
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