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convert Keys to enum

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This commit is contained in:
Matthias 2023-04-08 16:28:50 +02:00
parent 7ff30c6df8
commit fa3a81b022
1 changed files with 14 additions and 9 deletions
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23
freqtrade/persistence/key_value_store.py
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@ -18,6 +18,11 @@ class ValueTypesEnum(str, Enum):
INT = 'int'
class KeyStoreKeys(str, Enum):
BOT_START_TIME = 'bot_start_time'
STARTUP_TIME = 'startup_time'
class _KeyValueStoreModel(ModelBase):
"""
Pair Locks database model.
@ -27,9 +32,9 @@ class _KeyValueStoreModel(ModelBase):
id: Mapped[int] = mapped_column(primary_key=True)
key: Mapped[str] = mapped_column(String(25), nullable=False, index=True)
key: Mapped[KeyStoreKeys] = mapped_column(String(25), nullable=False, index=True)
value_type: Mapped[ValueTypesEnum] = mapped_column(String(25), nullable=False)
value_type: Mapped[ValueTypesEnum] = mapped_column(String(20), nullable=False)
string_value: Mapped[Optional[str]]
datetime_value: Mapped[Optional[datetime]]
@ -45,7 +50,7 @@ class KeyValueStore():
"""
@staticmethod
def store_value(key: str, value: ValueTypes) -> None:
def store_value(key: KeyStoreKeys, value: ValueTypes) -> None:
"""
Store the given value for the given key.
:param key: Key to store the value for - can be used in get-value to retrieve the key
@ -73,7 +78,7 @@ class KeyValueStore():
_KeyValueStoreModel.session.commit()
@staticmethod
def delete_value(key: str) -> None:
def delete_value(key: KeyStoreKeys) -> None:
"""
Delete the value for the given key.
:param key: Key to delete the value for
@ -85,7 +90,7 @@ class KeyValueStore():
_KeyValueStoreModel.session.commit()
@staticmethod
def get_value(key: str) -> Optional[ValueTypes]:
def get_value(key: KeyStoreKeys) -> Optional[ValueTypes]:
"""
Get the value for the given key.
:param key: Key to get the value for
@ -106,7 +111,7 @@ class KeyValueStore():
raise ValueError(f'Unknown value type {kv.value_type}') # pragma: no cover
@staticmethod
def get_string_value(key: str) -> Optional[str]:
def get_string_value(key: KeyStoreKeys) -> Optional[str]:
"""
Get the value for the given key.
:param key: Key to get the value for
@ -119,7 +124,7 @@ class KeyValueStore():
return kv.string_value
@staticmethod
def get_datetime_value(key: str) -> Optional[datetime]:
def get_datetime_value(key: KeyStoreKeys) -> Optional[datetime]:
"""
Get the value for the given key.
:param key: Key to get the value for
@ -132,7 +137,7 @@ class KeyValueStore():
return kv.datetime_value.replace(tzinfo=timezone.utc)
@staticmethod
def get_float_value(key: str) -> Optional[float]:
def get_float_value(key: KeyStoreKeys) -> Optional[float]:
"""
Get the value for the given key.
:param key: Key to get the value for
@ -145,7 +150,7 @@ class KeyValueStore():
return kv.float_value
@staticmethod
def get_int_value(key: str) -> Optional[int]:
def get_int_value(key: KeyStoreKeys) -> Optional[int]:
"""
Get the value for the given key.
:param key: Key to get the value for