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use registry.map_imperatively instead of deprecated mapper #11

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use registry.map_imperatively instead of deprecated mapper #11

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7 changes: 4 additions & 3 deletions sql.py
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Original file line number Diff line number Diff line change
Expand Up @@ -7,7 +7,7 @@
from sqlalchemy import (
Table, MetaData, Column, Integer, String,
ForeignKey, create_engine, select)
from sqlalchemy.orm import mapper, sessionmaker
from sqlalchemy.orm import registry, sessionmaker
from sqlalchemy.orm.exc import NoResultFound
from errbot.storage.base import StorageBase, StoragePluginBase

Expand Down Expand Up @@ -104,7 +104,8 @@ def __init__(self, bot_config):
pool_recycle=config.get('connection_recycle', 1800),
pool_pre_ping=config.get('connection_ping', True),
echo=bot_config.BOT_LOG_LEVEL == logging.DEBUG)
self._metadata = MetaData()
self._mapper_registry = registry()
self._metadata = self._mapper_registry.metadata
self._sessionmaker = sessionmaker()
self._sessionmaker.configure(bind=self._engine)

Expand All @@ -119,7 +120,7 @@ def open(self, namespace: str) -> StorageBase:
class NewKV(KV):
pass

mapper(NewKV, table, properties={
self._mapper_registry.map_imperatively(NewKV, table, properties={
'_key': table.c.key,
'_value': table.c.value})

Expand Down