tryton -- ipython, proteus

(19 comments)

So after being told on IRC that you can use (i)python and proteus to poke around a running tryton instance(thanks for that hint btw) I tried it and had some "fun" right away:
from proteus import config,Model
pcfg = config.set_trytond(database='trytond', config_file='/etc/tryon/trytond.conf')

gave me this:

---------------------------------------------------------------------------
ValueError                                Traceback (most recent call last)
/usr/lib64/python3.5/site-packages/trytond/backend/__init__.py in get(prop)
     31                 ep, = pkg_resources.iter_entry_points(
---> 32                     'trytond.backend', db_type)
     33             except ValueError:

ValueError: not enough values to unpack (expected 1, got 0)

During handling of the above exception, another exception occurred:

ImportError                               Traceback (most recent call last)
<ipython-input-2-300353cf02f5> in <module>()
----> 1 pcfg = config.set_trytond(database='trytond', config_file='/etc/tryon/trytond.conf')

/usr/lib64/python3.5/site-packages/proteus/config.py in set_trytond(database, user, config_file)
    281         config_file=None):
    282     'Set trytond package as backend'
--> 283     _CONFIG.current = TrytondConfig(database, user, config_file=config_file)
    284     return _CONFIG.current
    285

/usr/lib64/python3.5/site-packages/proteus/config.py in __init__(self, database, user, config_file)
    232         self.config_file = config_file
    233
--> 234         Pool.start()
    235         self.pool = Pool(database_name)
    236         self.pool.init()

/usr/lib64/python3.5/site-packages/trytond/pool.py in start(cls)
    100             for classes in Pool.classes.values():
    101                 classes.clear()
--> 102             register_classes()
    103             cls._started = True
    104

/usr/lib64/python3.5/site-packages/trytond/modules/__init__.py in register_classes()
    339     Import modules to register the classes in the Pool
    340     '''
--> 341     import trytond.ir
    342     trytond.ir.register()
    343     import trytond.res

/usr/lib64/python3.5/site-packages/trytond/ir/__init__.py in <module>()
      2 # this repository contains the full copyright notices and license terms.
      3 from ..pool import Pool
----> 4 from .configuration import *
      5 from .translation import *
      6 from .sequence import *

/usr/lib64/python3.5/site-packages/trytond/ir/configuration.py in <module>()
      1 # This file is part of Tryton.  The COPYRIGHT file at the top level of
      2 # this repository contains the full copyright notices and license terms.
----> 3 from ..model import ModelSQL, ModelSingleton, fields
      4 from ..cache import Cache
      5 from ..config import config

/usr/lib64/python3.5/site-packages/trytond/model/__init__.py in <module>()
      1 # This file is part of Tryton.  The COPYRIGHT file at the top level of
      2 # this repository contains the full copyright notices and license terms.
----> 3 from .model import Model
      4 from .modelview import ModelView
      5 from .modelstorage import ModelStorage, EvalEnvironment

/usr/lib64/python3.5/site-packages/trytond/model/model.py in <module>()
      6 from functools import total_ordering
      7
----> 8 from trytond.model import fields
      9 from trytond.error import WarningErrorMixin
     10 from trytond.pool import Pool, PoolBase

/usr/lib64/python3.5/site-packages/trytond/model/fields/__init__.py in <module>()
      2 # this repository contains the full copyright notices and license terms.
      3
----> 4 from .field import *
      5 from .boolean import *
      6 from .integer import *

/usr/lib64/python3.5/site-packages/trytond/model/fields/field.py in <module>()
     18 from ...rpc import RPC
     19
---> 20 Database = backend.get('Database')
     21
     22

/usr/lib64/python3.5/site-packages/trytond/backend/__init__.py in get(prop)
     32                     'trytond.backend', db_type)
     33             except ValueError:
---> 34                 raise exception
     35             mod_path = os.path.join(ep.dist.location,
     36                 *ep.module_name.split('.')[:-1])

/usr/lib64/python3.5/site-packages/trytond/backend/__init__.py in get(prop)
     24     if modname not in sys.modules:
     25         try:
---> 26             __import__(modname)
     27         except ImportError as exception:
     28             if not pkg_resources:

ImportError: No module named 'trytond.backend.'

Took me a while to figure out I just had a typon in the config file path. Since that cost me some time I thought I'd put it on here so that maybe someone else who makes the same mistake doesn't waste as much time on it as me ;) -- and thanks to the always helpful people on IRC #tryton@freenode

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