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DjangoDb: now with new Metadata table

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This commit is contained in:
Doug Blank 2015-08-12 20:36:43 -04:00
parent e45dc665c9
commit f7afd1fa75
2 changed files with 41 additions and 20 deletions
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57
gramps/webapp/djangodb.py
View File

@ -19,6 +19,18 @@
""" Implements a Db interface """
#------------------------------------------------------------------------
#
# Gramps Modules
#
#------------------------------------------------------------------------
import pickle
import sys
import os
## add this directory to sys path, so we can find django_support later:
sys.path.append(os.path.dirname(os.path.abspath(__file__)))
#------------------------------------------------------------------------
#
# Gramps Modules
@ -28,10 +40,6 @@ from gramps.gen.db.generic import *
from gramps.gen.const import GRAMPS_LOCALE as glocale
_ = glocale.translation.gettext
## add this directory to sys path, so we can find django_support later:
import sys
sys.path.append(os.path.dirname(os.path.abspath(__file__)))
class DbDjango(DbGeneric):
def restore(self):
@ -54,7 +62,7 @@ class DbDjango(DbGeneric):
self.load(directory)
def initialize_backend(self, directory):
self._metadata = {}
pass
def close_backend(self):
pass
@ -118,16 +126,24 @@ class DbDjango(DbGeneric):
def transaction_abort(self, txn):
pass
def get_metadata(self, key, default=[]):
if key in self._metadata:
return self._metadata[key]
def get_metadata(self, setting, default=[]):
metadata = self.dji.Metadata.filter(setting=setting)
if metadata.count() > 0:
return pickle.loads(metadata[0].value)
elif default == []:
return []
else:
return default
def set_metadata(self, key, value):
self._metadata[key] = value
def set_metadata(self, setting, value):
from gramps.webapp.grampsdb.models import Metadata
metadata = self.dji.Metadata.filter(setting=setting)
if metadata.count() > 0:
metadata = metadata[0]
metadata.value = pickle.dumps(value)
else:
metadata = Metadata(setting=setting, value=pickle.dumps(value))
metadata.save()
def get_name_group_keys(self):
return []
@ -634,20 +650,14 @@ class DbDjango(DbGeneric):
force_bsddb_upgrade=False,
force_bsddb_downgrade=False,
force_python_upgrade=False):
super().load(directory,
callback,
mode,
force_schema_upgrade,
force_bsddb_upgrade,
force_bsddb_downgrade,
force_python_upgrade)
# Django-specific loads:
from django.conf import settings
LOG.info("Django loading...")
default_settings = {"__file__":
os.path.join(self._directory, "default_settings.py")}
settings_file = os.path.join(self._directory, "default_settings.py")
os.path.join(directory, "default_settings.py")}
settings_file = os.path.join(directory, "default_settings.py")
with open(settings_file) as f:
code = compile(f.read(), settings_file, 'exec')
exec(code, globals(), default_settings)
@ -658,7 +668,7 @@ class DbDjango(DbGeneric):
def __getattr__(self, item):
return self.dictionary[item]
LOG.info("Django loading defaults from: " + self._directory)
LOG.info("Django loading defaults from: " + directory)
try:
settings.configure(Module(default_settings))
except RuntimeError:
@ -671,6 +681,13 @@ class DbDjango(DbGeneric):
from gramps.webapp.libdjango import DjangoInterface
self.dji = DjangoInterface()
super().load(directory,
callback,
mode,
force_schema_upgrade,
force_bsddb_upgrade,
force_bsddb_downgrade,
force_python_upgrade)
def _make_repository(self, repository):
if self.use_db_cache and repository.cache:

4
gramps/webapp/grampsdb/models.py
View File

@ -1104,6 +1104,10 @@ class Result(models.Model):
def __str__(self):
return str(self.name)
class Metadata(models.Model):
setting = models.TextField(blank=False, null=False)
value = models.BinaryField()
TABLES = [
("abstract", mGrampsType),
("type", NameType),