def update(self):
"""Update the database.
If the database is fresh, it will be initialized. If the database is already up-to-date,
nothing will be done. It is thus safe to call :meth:`update` without knowing if an update is
necessary or not.
"""
# Compatibility for databases without micro_version (obsolete since 0.13.0)
if not self.r.exists('micro_version') and self.r.exists('Settings'):
self.r.set('micro_version', 0)
version = self.r.get('micro_version')
# If fresh, initialize database
if not version:
settings = self.create_settings()
self.r.oset(settings.id, settings)
self.r.set('micro_version', 1)
self.do_update()
return
version = int(version)
r = JSONRedis(self.r.r)
r.caching = False
if version < 2:
settings = r.oget('Settings')
settings['feedback_url'] = None
r.oset(settings['id'], settings)
self.r.set('micro_version', 2)
self.do_update()
def do_update(self):
version = self.r.get('version')
if not version:
self.r.set('version', 8)
return
version = int(version)
r = JSONRedis(self.r.r)
r.caching = False
# Deprecated since 0.14.0
if version < 7:
now = time()
lists = r.omget(r.lrange('lists', 0, -1))
for lst in lists:
r.zadd('{}.lists'.format(lst['authors'][0]), {lst['id']: -now})
r.set('version', 7)
# Deprecated since 0.23.0
if version < 8:
lists = r.omget(r.lrange('lists', 0, -1))
for lst in lists:
users_key = '{}.users'.format(lst['id'])
self.r.zadd(users_key, {lst['authors'][0].encode(): 0})
events = r.omget(r.lrange('{}.activity.items'.format(lst['id']), 0, -1))
for event in reversed(events):
t = parse_isotime(event['time'], aware=True).timestamp()
self.r.zadd(users_key, {event['user'].encode(): -t})
r.set('version', 8)
def do_update(self):
db_version = self.r.get('version')
# If fresh, initialize database
if not db_version:
self.r.set('version', 5)
return
db_version = int(db_version)
r = JSONRedis(self.r.r)
r.caching = False
if db_version < 2:
users = r.omget(r.lrange('users', 0, -1))
for user in users:
user['name'] = 'Guest'
user['authors'] = [user['id']]
r.omset({u['id']: u for u in users})
r.set('version', 2)
if db_version < 3:
meetings = r.omget(r.lrange('meetings', 0, -1))
for meeting in meetings:
meeting['time'] = None
meeting['location'] = None
items = r.omget(r.lrange(meeting['id'] + '.items', 0, -1))
for item in items:
item['duration'] = None
r.omset({i['id']: i for i in items})
r.omset({m['id']: m for m in meetings})
r.set('version', 3)
if db_version < 4:
meeting_ids = r.lrange('meetings', 0, -1)
objects = r.omget(chain(
['Settings'],
r.lrange('users', 0, -1),
meeting_ids,
chain.from_iterable(r.lrange(i + b'.items', 0, -1) for i in meeting_ids)
))
for object in objects:
object['trashed'] = False
r.omset({o['id']: o for o in objects})
r.set('version', 4)
if db_version < 5:
users = r.omget(r.lrange('users', 0, -1))
for user in users:
user['email'] = None
r.omset({u['id']: u for u in users})
r.set('version', 5)
def do_update(self):
db_version = self.r.get('version')
# If fresh, initialize database
if not db_version:
self.r.set('version', 5)
return
db_version = int(db_version)
r = JSONRedis(self.r.r)
r.caching = False
# Deprecated since 0.12.0
if db_version < 5:
users = r.omget(r.lrange('users', 0, -1))
for user in users:
user['email'] = None
r.omset({u['id']: u for u in users})
r.set('version', 5)
def do_update(self):
version = self.r.get('version')
if not version:
self.r.set('version', 7)
return
version = int(version)
r = JSONRedis(self.r.r)
r.caching = False
# Deprecated since 0.3.0
if version < 2:
lists = r.omget(r.lrange('lists', 0, -1))
for lst in lists:
lst['features'] = []
items = r.omget(r.lrange('{}.items'.format(lst['id']), 0, -1))
for item in items:
item['checked'] = False
r.omset({item['id']: item for item in items})
r.omset({lst['id']: lst for lst in lists})
r.set('version', 2)
# Deprecated since 0.5.0
if version < 3:
lists = r.omget(r.lrange('lists', 0, -1))
for lst in lists:
lst['activity'] = (Activity('{}.activity'.format(lst['id']),
app=self,
subscriber_ids=[]).json())
r.omset({lst['id']: lst for lst in lists})
r.set('version', 3)
# Deprecated since 0.6.0
if version < 4:
items = r.omget([
id for list_id in r.lrange('lists', 0, -1)
for id in r.lrange('{}.items'.format(list_id.decode()), 0, -1)
])
for item in items:
item['location'] = None
r.omset({item['id']: item for item in items})
r.set('version', 4)
# Deprecated since 0.7.0
if version < 5:
items = r.omget([
id for list_id in r.lrange('lists', 0, -1)
for id in r.lrange('{}.items'.format(list_id.decode()), 0, -1)
])
for item in items:
item['resource'] = None
r.omset({item['id']: item for item in items})
r.set('version', 5)
# Deprecated since 0.11.0
if version < 6:
lists = r.omget(r.lrange('lists', 0, -1))
for lst in lists:
lst['mode'] = 'collaborate'
r.omset({lst['id']: lst for lst in lists})
r.set('version', 6)
# Deprecated since 0.14.0
if version < 7:
now = time()
lists = r.omget(r.lrange('lists', 0, -1))
for lst in lists:
r.zadd('{}.lists'.format(lst['authors'][0]), {lst['id']: -now})
r.set('version', 7)
