Downgrade minimal python version from 3.12 to 3.11 (#156)

This pull request downgrades minimal python version from 3.12 to 3.11

Author: jorg-vr

pyproject.toml

@@ -8,7 +8,7 @@ version = "0.0.0"
 description = "An open-source modular framework for ingesting, standardising, storing, and computing energy-related data."
 license = "MIT"
 readme = "README.md"
-requires-python = ">=3.12"
+requires-python = ">=3.11"
 dependencies = [
     "fastapi[standard]>=0.128.0",
     "pydantic>=2.0.0",
@@ -24,13 +24,13 @@ timeseries = [
 ]
 tariff = [
     "cofy-api[timeseries]",
-    "energy-cost>=0.6.0",
+    "energy-cost>=0.6.1",
     "entsoe-py>=0.7.10",
     "pandas>=3.0.0"
 ]
 billing = [
     "cofy-api[timeseries]",
-    "energy-cost>=0.6.0",
+    "energy-cost>=0.6.1",
     "pandas>=3.0.0"
 ]
 production = [
@@ -39,7 +39,7 @@ production = [
     "requests>=2.32.0",
 ]
 members = [
-    "energy-cost>=0.6.0",
+    "energy-cost>=0.6.1",
 ]
 directive = [
     "cofy-api[timeseries]",

src/cofy/modules/directive/formats/directive.py

@@ -1,10 +1,12 @@
 from datetime import datetime
-from typing import Literal
+from typing import Literal, TypeVar
 
 from pydantic import BaseModel
 
 from cofy.modules.timeseries import JSONFormat
 
+MetadataType = TypeVar("MetadataType", bound=BaseModel)
+
 DirectiveSteps = Literal["--", "-", "0", "+", "++"]
 DIRECTIVE_STEPS = DirectiveSteps.__args__
 
@@ -14,6 +16,6 @@ class DirectiveRecord(BaseModel):
     value: DirectiveSteps
 
 
-class DirectiveFormat[MetadataType: BaseModel](JSONFormat[DirectiveRecord, MetadataType]):
+class DirectiveFormat(JSONFormat[DirectiveRecord, MetadataType]):
     def __init__(self, MT: type[MetadataType] | None = None):
         super().__init__(DT=DirectiveRecord, MT=MT)

src/cofy/modules/members/source.py

@@ -1,10 +1,13 @@
 import builtins
 from abc import ABC, abstractmethod
+from typing import Generic, TypeVar
 
 from .model import Member
 
+T = TypeVar("T")
 
-class MemberSource[T](ABC):
+
+class MemberSource(ABC, Generic[T]):
     @abstractmethod
     def list(
         self,

src/cofy/modules/timeseries/formats/json.py

@@ -1,10 +1,14 @@
 import datetime as dt
+from typing import Generic, TypeVar
 
 from pydantic import BaseModel, ConfigDict
 
 from ..format import TimeseriesFormat
 from ..model import ISODuration, Timeseries
 
+DataType = TypeVar("DataType", bound=BaseModel)
+MetadataType = TypeVar("MetadataType", bound=BaseModel)
+
 
 class DefaultDataType(BaseModel):
     timestamp: dt.datetime
@@ -20,12 +24,12 @@ class DefaultMetadataType(BaseModel):
     unit: str | None = None
 
 
-class ResponseModel[DataType: BaseModel, MetadataType: BaseModel](BaseModel):
+class ResponseModel(BaseModel, Generic[DataType, MetadataType]):
     metadata: MetadataType
     data: list[DataType]
 
 
-class JSONFormat[DataType: BaseModel, MetadataType: BaseModel](TimeseriesFormat):
+class JSONFormat(TimeseriesFormat, Generic[DataType, MetadataType]):
     """Timeseries format for JSON."""
 
     name = "json"