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Remove the responsibility of setting a default language from multilang.

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Caller now has to do it.  No need to avoid circular deps, no need to do
much of anything at all.
This commit is contained in:
Eevee 2011-04-05 21:03:41 -07:00
parent 4291c33c00
commit 9441ffb165
2 changed files with 19 additions and 17 deletions
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12
pokedex/db/__init__.py
View file

@ -1,7 +1,7 @@
from sqlalchemy import MetaData, Table, engine_from_config, orm from sqlalchemy import engine_from_config, orm
from ..defaults import get_default_db_uri from ..defaults import get_default_db_uri
from .tables import metadata from .tables import Language, metadata
from .multilang import MultilangSession, MultilangScopedSession from .multilang import MultilangSession, MultilangScopedSession
@ -41,7 +41,13 @@ def connect(uri=None, session_args={}, engine_args={}, engine_prefix=''):
all_session_args = dict(autoflush=True, autocommit=False, bind=engine) all_session_args = dict(autoflush=True, autocommit=False, bind=engine)
all_session_args.update(session_args) all_session_args.update(session_args)
sm = orm.sessionmaker(class_=MultilangSession, **all_session_args) sm = orm.sessionmaker(class_=MultilangSession, language_class=Language,
**all_session_args)
session = MultilangScopedSession(sm) session = MultilangScopedSession(sm)
# Default to English
session.default_language = session.query(Language) \
.filter_by(identifier=u'en') \
.one()
return session return session

24
pokedex/db/multilang.py
View file

@ -154,26 +154,22 @@ def create_translation_table(_table_name, foreign_class, relation_name,
return Translations return Translations
class MultilangSession(Session): class MultilangSession(Session):
"""A tiny Session subclass that adds support for a default language.""" """A tiny Session subclass that adds support for a default language.
_default_language_id = 9 # English. XXX magic constant
Caller will need to assign something to `default_language` before this will
actually work.
"""
_default_language_id = 0 # Better fill this in, caller
def __init__(self, *args, **kwargs): def __init__(self, *args, **kwargs):
try: self.language_class = kwargs.pop('language_class')
self.language_class = kwargs.pop('language_class')
except KeyError:
# Set the default language_class
# We need to import here, to prevent a circular depencency
from pokedex.db.tables import Language
self.language_class = Language
super(MultilangSession, self).__init__(*args, **kwargs) super(MultilangSession, self).__init__(*args, **kwargs)
@property @property
def default_language(self): def default_language(self):
# Need to import tables here to avoid a circular dependency return self.query(self.language_class) \
from pokedex.db import tables .filter_by(id=self._default_language_id) \
query = self.query(self.language_class) .one()
query = query.filter_by(id=self._default_language_id)
return query.one()
@default_language.setter @default_language.setter
def default_language(self, new): def default_language(self, new):