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87a665c | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 | import logging
import os
from contextvars import ContextVar
from peewee import *
from peewee import InterfaceError as PeeWeeInterfaceError
from peewee import PostgresqlDatabase
from playhouse.db_url import connect, parse
from playhouse.shortcuts import ReconnectMixin
log = logging.getLogger(__name__)
db_state_default = {'closed': None, 'conn': None, 'ctx': None, 'transactions': None}
db_state = ContextVar('db_state', default=db_state_default.copy())
class PeeweeConnectionState(object):
def __init__(self, **kwargs):
super().__setattr__('_state', db_state)
super().__init__(**kwargs)
def __setattr__(self, name, value):
self._state.get()[name] = value
def __getattr__(self, name):
value = self._state.get()[name]
return value
class CustomReconnectMixin(ReconnectMixin):
reconnect_errors = (
# psycopg2
(OperationalError, 'termin'),
(InterfaceError, 'closed'),
# peewee
(PeeWeeInterfaceError, 'closed'),
)
class ReconnectingPostgresqlDatabase(CustomReconnectMixin, PostgresqlDatabase):
pass
def register_connection(db_url):
# Check if using SQLCipher protocol
if db_url.startswith('sqlite+sqlcipher://'):
database_password = os.environ.get('DATABASE_PASSWORD')
if not database_password or database_password.strip() == '':
raise ValueError('DATABASE_PASSWORD is required when using sqlite+sqlcipher:// URLs')
from playhouse.sqlcipher_ext import SqlCipherDatabase
# Parse the database path from SQLCipher URL
# Convert sqlite+sqlcipher:///path/to/db.sqlite to /path/to/db.sqlite
db_path = db_url.replace('sqlite+sqlcipher://', '')
# Use Peewee's native SqlCipherDatabase with encryption
db = SqlCipherDatabase(db_path, passphrase=database_password)
db.autoconnect = True
db.reuse_if_open = True
log.info('Connected to encrypted SQLite database using SQLCipher')
else:
# Standard database connection (existing logic)
db = connect(db_url, unquote_user=True, unquote_password=True)
if isinstance(db, PostgresqlDatabase):
# Enable autoconnect for SQLite databases, managed by Peewee
db.autoconnect = True
db.reuse_if_open = True
log.info('Connected to PostgreSQL database')
# Get the connection details
connection = parse(db_url, unquote_user=True, unquote_password=True)
# Use our custom database class that supports reconnection
db = ReconnectingPostgresqlDatabase(**connection)
db.connect(reuse_if_open=True)
elif isinstance(db, SqliteDatabase):
# Enable autoconnect for SQLite databases, managed by Peewee
db.autoconnect = True
db.reuse_if_open = True
log.info('Connected to SQLite database')
else:
raise ValueError('Unsupported database connection')
return db
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