def connect_to_db(config):
if request.env.web2py_runtime_gae:
from gluon.contrib.gae_memcache import MemcacheClient
from gluon.contrib.memdb import MEMDB
cache.memcache = MemcacheClient(request)
cache.ram = cache.disk = cache.memcache
db = DAL('gae')
session.connect(request, response, MEMDB(cache.memcache))
else:
db = DAL(config.connect_uri)
return db
def __init__(self, request):
"""
Args:
request: the global request object
"""
# GAE will have a special caching
if have_settings and settings.global_settings.web2py_runtime_gae:
from gluon.contrib.gae_memcache import MemcacheClient
self.ram = self.disk = MemcacheClient(request)
else:
# Otherwise use ram (and try also disk)
self.ram = CacheInRam(request)
try:
self.disk = CacheOnDisk(request)
except IOError:
logger.warning('no cache.disk (IOError)')
except AttributeError:
# normally not expected anymore, as GAE has already
# been accounted for
logger.warning('no cache.disk (AttributeError)')
appconfig = AppConfig(reload=True)
if request.env.web2py_runtime_gae:
# ---------------------------------------------------------------------
# connect to Google BigTable (optional 'google:datastore://namespace')
# ---------------------------------------------------------------------
db = DAL('google:datastore+ndb', lazy_tables=True)
# ---------------------------------------------------------------------
# store sessions and tickets in Memcache
# ---------------------------------------------------------------------
from gluon.contrib.gae_memcache import MemcacheClient
from gluon.contrib.memdb import MEMDB
cache.memcache = MemcacheClient(request)
cache.ram = cache.disk = cache.memcache
session.connect(request, response, db=MEMDB(cache.memcache.client))
else:
# ---------------------------------------------------------------------
# if NOT running on Google App Engine use SQLite or other DB
# ---------------------------------------------------------------------
db = DAL(appconfig.get('db.uri'),
pool_size=appconfig.get('db.pool_site'),
migrate_enabled=appconfig.get('db.migrate'),
check_reserved=appconfig.get('db.migrate') and ['all'] or None,
lazy_tables=appconfig.get('db.lazy'))
# host names must be a list of allowed host names (glob syntax allowed)
auth = Auth(db, host_names=appconfig.get('host.names'))