@@ -59,7 +59,7 @@ class Horizon:
5959 _max_transaction_age : LogicTime
6060 _serializable_transaction_map : OrderedDict [XID , SerializableTransaction ]
6161 _read_uncommited_transaction_map : OrderedDict [
62- XID , ReadUncommitedTransaction
62+ XID , ReadUncommitedTransaction ,
6363 ]
6464
6565 def __post_init__ (self ) -> None :
@@ -86,7 +86,7 @@ def start_transaction(
8686 """
8787
8888 assert_ (
89- all (xid not in map for map in self ._transaction_maps ()),
89+ all (xid not in map_ for map_ in self ._transaction_maps ()),
9090 else_ = DoubleStartTransactionError ,
9191 )
9292
@@ -97,8 +97,8 @@ def start_transaction(
9797 self ._serializable_transaction_map .values (),
9898 )
9999
100- map = self ._transaction_map (started_transaction )
101- map [started_transaction .xid ()] = started_transaction
100+ map_ = self ._transaction_map (started_transaction )
101+ map_ [started_transaction .xid ()] = started_transaction
102102 self ._limit_len ()
103103 self .move_to_future (time )
104104
@@ -131,7 +131,6 @@ def rollback_transaction(self, time: LogicTime, xid: XID) -> None:
131131 :raises tgdb.entities.horizon.horizon.NoTransactionError:
132132 :raises tgdb.entities.horizon.horizon.TransactionCommittingError:
133133 """
134-
135134 self .move_to_future (time )
136135
137136 transaction = self ._transaction (
@@ -154,7 +153,6 @@ def commit_transaction(
154153 :raises tgdb.entities.horizon.horizon.TransactionCommittingError:
155154 :raises tgdb.entities.horizon.transaction.ConflictError:
156155 """
157-
158156 self .move_to_future (time )
159157
160158 transaction = self ._transaction (
@@ -240,7 +238,7 @@ def _limit_len(self) -> None:
240238 ]
241239
242240 def _is_transaction_autorollbackable (
243- self , transaction : Transaction
241+ self , transaction : Transaction ,
244242 ) -> bool :
245243 return (
246244 not isinstance (transaction , SerializableTransaction )
@@ -249,7 +247,7 @@ def _is_transaction_autorollbackable(
249247
250248 def _oldest_transaction (self ) -> Transaction | None :
251249 first_map_tranactions = (
252- first_map_value (map ) for map in self ._transaction_maps ()
250+ first_map_value (map_ ) for map_ in self ._transaction_maps ()
253251 )
254252 oldest_transactions = tuple (
255253 first_map_tranaction
@@ -288,7 +286,7 @@ def _serializable_transaction(
288286 return transaction
289287
290288 def _non_serializable_read_transaction (
291- self , xid : XID
289+ self , xid : XID ,
292290 ) -> ReadUncommitedTransaction :
293291 """
294292 :raises tgdb.entities.horizon.horizon.NoTransactionError:
@@ -312,7 +310,6 @@ def _transaction(
312310 :raises tgdb.entities.horizon.horizon.NoTransactionError:
313311 :raises else_:
314312 """
315-
316313 with suppress (NoTransactionError ):
317314 return self ._non_serializable_read_transaction (xid )
318315
@@ -323,7 +320,7 @@ def _transaction_maps(self) -> Iterable[Mapping[XID, Transaction]]:
323320 yield self ._read_uncommited_transaction_map
324321
325322 def _transaction_map [TransactionT : Transaction ](
326- self , transaction : TransactionT
323+ self , transaction : TransactionT ,
327324 ) -> OrderedDict [XID , TransactionT ]:
328325 match transaction :
329326 case ReadUncommitedTransaction ():
@@ -333,12 +330,11 @@ def _transaction_map[TransactionT: Transaction](
333330
334331
335332def horizon (
336- time : LogicTime , max_len : int , max_transaction_age : LogicTime
333+ time : LogicTime , max_len : int , max_transaction_age : LogicTime ,
337334) -> Horizon :
338335 """
339336 :raises tgdb.entities.horizon.horizon.HorizonAlwaysWithoutTransactionsError:
340337 """
341-
342338 return Horizon (
343339 _time = time ,
344340 _max_len = max_len ,
0 commit comments