closes #46; Upgrade to Python 3.12 + ruff formatting

app.py

@@ -4,6 +4,7 @@
 """
 FastAPI app run with Uvicorn.
 """
+
 from __future__ import annotations
 
 import io

requirements.txt

@@ -1,13 +1,12 @@
-matplotlib==3.7.2
-numpy==1.24.3
-pandas==2.0.3
-pre-commit==3.5.0
-pytest==7.4.0
-PyYAML==6.0.1
-scipy==1.11.4
-Werkzeug==3.0.1
-scikit-learn~=1.3.0
+matplotlib~=3.9.2
+numpy~=2.1.0rc1
+pandas~=2.2.2
+pre-commit~=3.8.0
+pytest~=8.3.2
+PyYAML~=6.0.2
+scipy~=1.14.0
+scikit-learn~=1.5.1
 fastapi~=0.112.0
 uvicorn~=0.30.6
 pydantic~=2.8.2
-starlette>=0.37.2
+starlette~=0.38.2

src/api/utils.py

@@ -1,6 +1,7 @@
 """
 Collection of utility functions for API purposes.
 """
+
 from __future__ import annotations
 
 from fastapi import HTTPException

src/core/models/all_rainfall.py

@@ -2,6 +2,7 @@
 Provides an all-in-one class to manipulate rainfall data for every timeframe.
 At a yearly, monthly and seasonal level.
 """
+
 from __future__ import annotations
 
 from pathlib import Path

src/core/models/monthly_rainfall.py

@@ -1,6 +1,7 @@
 """
 Provides a rich class to manipulate Monthly Rainfall data.
 """
+
 from __future__ import annotations
 
 import pandas as pd

src/core/models/seasonal_rainfall.py

@@ -1,6 +1,7 @@
 """
 Provides a rich class to manipulate Seasonal Rainfall data.
 """
+
 from __future__ import annotations
 
 import pandas as pd

src/core/models/yearly_rainfall.py

@@ -1,6 +1,7 @@
 """
 Provides a rich class to manipulate Yearly Rainfall data.
 """
+
 from __future__ import annotations
 
 import operator as opr

src/core/utils/decorators/plots.py

@@ -1,6 +1,7 @@
 """
 Provides decorators for plotting with Matplotlib.
 """
+
 from functools import wraps
 from typing import Callable
 

src/core/utils/functions/dataframe_operations.py

@@ -2,6 +2,7 @@
 Provides functions to do operations on DataFrame objects
 containing rainfall data over years.
 """
+
 from __future__ import annotations
 
 import pandas as pd

src/core/utils/functions/metrics.py

@@ -2,6 +2,7 @@
 Provides functions to compute interesting and reusable generic metrics
 over DataFrame containing rainfall data over years.
 """
+
 from __future__ import annotations
 
 from typing import Callable

src/core/utils/functions/plotting.py

@@ -1,6 +1,7 @@
 """
 Provides useful functions for plotting rainfall data in all shapes.
 """
+
 from __future__ import annotations
 
 import pandas as pd