refactor: move db-migration to persistence

freqtrade/commands/db_commands.py

@@ -8,16 +8,10 @@ logger = logging.getLogger(__name__)
 
 
 def start_convert_db(args: dict[str, Any]) -> None:
-    from sqlalchemy import func, select
-    from sqlalchemy.orm import make_transient
 
     from freqtrade.configuration.config_setup import setup_utils_configuration
-    from freqtrade.persistence import Order, Trade, init_db
-    from freqtrade.persistence.custom_data import _CustomData
-    from freqtrade.persistence.key_value_store import _KeyValueStoreModel
-    from freqtrade.persistence.migrations import set_sequence_ids
-    from freqtrade.persistence.pairlock import PairLock
-    from freqtrade.persistence.wallet_history import WalletHistory
+    from freqtrade.persistence import Trade, init_db
+    from freqtrade.persistence.db_migration import migrate_db
 
     config = setup_utils_configuration(args, RunMode.UTIL_NO_EXCHANGE)
 
@@ -25,66 +19,4 @@ def start_convert_db(args: dict[str, Any]) -> None:
     session_target = Trade.session
     init_db(config["db_url_from"])
     logger.info("Starting db migration.")
-
-    trade_count = 0
-    pairlock_count = 0
-    kv_count = 0
-    custom_data_count = 0
-    wallet_history_count = 0
-    for trade in Trade.get_trades():
-        trade_count += 1
-        make_transient(trade)
-        for o in trade.orders:
-            make_transient(o)
-
-        session_target.add(trade)
-
-    session_target.commit()
-
-    for pairlock in PairLock.get_all_locks():
-        pairlock_count += 1
-        make_transient(pairlock)
-        session_target.add(pairlock)
-    session_target.commit()
-
-    for kv in _KeyValueStoreModel.session.scalars(select(_KeyValueStoreModel)):
-        kv_count += 1
-        make_transient(kv)
-        session_target.add(kv)
-    session_target.commit()
-
-    for cd in _CustomData.session.scalars(select(_CustomData)):
-        custom_data_count += 1
-        make_transient(cd)
-        session_target.add(cd)
-    session_target.commit()
-
-    for wh in WalletHistory.session.scalars(select(WalletHistory)):
-        wallet_history_count += 1
-        make_transient(wh)
-        session_target.add(wh)
-    session_target.commit()
-
-    # Update sequences
-    max_trade_id = session_target.scalar(select(func.max(Trade.id)))
-    max_order_id = session_target.scalar(select(func.max(Order.id)))
-    max_pairlock_id = session_target.scalar(select(func.max(PairLock.id)))
-    max_kv_id = session_target.scalar(select(func.max(_KeyValueStoreModel.id)))
-    max_custom_data_id = session_target.scalar(select(func.max(_CustomData.id)))
-    max_wallet_history_id = session_target.scalar(select(func.max(WalletHistory.id)))
-
-    set_sequence_ids(
-        session_target.get_bind(),
-        trade_id=(max_trade_id or 0) + 1,
-        order_id=(max_order_id or 0) + 1,
-        pairlock_id=(max_pairlock_id or 0) + 1,
-        kv_id=(max_kv_id or 0) + 1,
-        custom_data_id=(max_custom_data_id or 0) + 1,
-        wallet_history_id=(max_wallet_history_id or 0) + 1,
-    )
-
-    logger.info(
-        f"Migrated {trade_count} Trades, {pairlock_count} Pairlocks, "
-        f"{kv_count} Key-Value pairs, {custom_data_count} Custom Data entries, "
-        f"and {wallet_history_count} Wallet History entries."
-    )
+    migrate_db(session_target)

freqtrade/persistence/db_migration.py

@@ -0,0 +1,81 @@
+import logging
+
+from sqlalchemy import func, select
+from sqlalchemy.orm import make_transient
+
+from freqtrade.persistence.base import SessionType
+from freqtrade.persistence.custom_data import _CustomData
+from freqtrade.persistence.key_value_store import _KeyValueStoreModel
+from freqtrade.persistence.migrations import set_sequence_ids
+from freqtrade.persistence.pairlock import PairLock
+from freqtrade.persistence.trade_model import Order, Trade
+from freqtrade.persistence.wallet_history import WalletHistory
+
+
+logger = logging.getLogger(__name__)
+
+
+def migrate_db(session_target: SessionType):
+
+    trade_count = 0
+    pairlock_count = 0
+    kv_count = 0
+    custom_data_count = 0
+    wallet_history_count = 0
+    for trade in Trade.get_trades():
+        trade_count += 1
+        make_transient(trade)
+        for o in trade.orders:
+            make_transient(o)
+
+        session_target.add(trade)
+
+    session_target.commit()
+
+    for pairlock in PairLock.get_all_locks():
+        pairlock_count += 1
+        make_transient(pairlock)
+        session_target.add(pairlock)
+    session_target.commit()
+
+    for kv in _KeyValueStoreModel.session.scalars(select(_KeyValueStoreModel)):
+        kv_count += 1
+        make_transient(kv)
+        session_target.add(kv)
+    session_target.commit()
+
+    for cd in _CustomData.session.scalars(select(_CustomData)):
+        custom_data_count += 1
+        make_transient(cd)
+        session_target.add(cd)
+    session_target.commit()
+
+    for wh in WalletHistory.session.scalars(select(WalletHistory)):
+        wallet_history_count += 1
+        make_transient(wh)
+        session_target.add(wh)
+    session_target.commit()
+
+    # Update sequences
+    max_trade_id = session_target.scalar(select(func.max(Trade.id)))
+    max_order_id = session_target.scalar(select(func.max(Order.id)))
+    max_pairlock_id = session_target.scalar(select(func.max(PairLock.id)))
+    max_kv_id = session_target.scalar(select(func.max(_KeyValueStoreModel.id)))
+    max_custom_data_id = session_target.scalar(select(func.max(_CustomData.id)))
+    max_wallet_history_id = session_target.scalar(select(func.max(WalletHistory.id)))
+
+    set_sequence_ids(
+        session_target.get_bind(),
+        trade_id=(max_trade_id or 0) + 1,
+        order_id=(max_order_id or 0) + 1,
+        pairlock_id=(max_pairlock_id or 0) + 1,
+        kv_id=(max_kv_id or 0) + 1,
+        custom_data_id=(max_custom_data_id or 0) + 1,
+        wallet_history_id=(max_wallet_history_id or 0) + 1,
+    )
+
+    logger.info(
+        f"Migrated {trade_count} Trades, {pairlock_count} Pairlocks, "
+        f"{kv_count} Key-Value pairs, {custom_data_count} Custom Data entries, "
+        f"and {wallet_history_count} Wallet History entries."
+    )