[requirements] Use a hierarchical requirements structure for the Pyth…

…on dependencies

.github/workflows/format.yaml

@@ -10,7 +10,7 @@ jobs:
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
-          pip install black flake8 flake8-bugbear flake8-implicit-str-concat isort
+          pip install -r requirements/formatting.txt
       - name: Run code checks
         run: |
           make lint-check

.github/workflows/tests.yaml

@@ -9,8 +9,10 @@ jobs:
       - uses: actions/checkout@v3
       - name: Install dependencies
         run: |
+          sudo apt-get install libmemcached-dev
           python -m pip install --upgrade pip
-          pip install cbor flask==2.3.2 flask_smorest==0.42.0 marshmallow Pillow psycopg[pool] pylibmc pytest toml
+          pip install -r requirements/api.txt
+          pip install -r requirements/tests.txt
       - name: Run pytest
         run: |
           python -m pytest

README.md

@@ -28,11 +28,11 @@ sudo make install
 
 ## Python3 dependencies - virtual environment
 
-It is advised to start the explorer from within a virtual environment. You can install all dependencies using the `requirements.txt` file:
+It is advised to start the explorer from within a virtual environment. You can install all dependencies using the `requirements/all.txt` file:
 ```
 virtualenv env
 source env/bin/activate
-pip install -r requirements.txt
+pip install -r requirements/all.txt
 ```
 
 ## Install and configure memcached

requirements/all.txt

@@ -0,0 +1,8 @@
+matplotlib==3.5.3
+numpy==1.24.4
+prometheus_client==0.15.0
+psutil==5.8.0
+
+-r requirements/api.txt
+-r requirements/formatting.txt
+-r requirements/tests.txt

requirements/api.txt

@@ -0,0 +1,11 @@
+cbor==1.0.0
+Flask==2.3.2
+flask_smorest==0.42.0
+gevent==23.7.0
+gunicorn==21.2.0
+marshmallow==3.20.1
+Pillow==10.0.0
+psycopg==3.1.12
+psycopg-pool==3.1.8
+pylibmc==1.6.1
+toml==0.10.2

requirements/formatting.txt

@@ -0,0 +1,6 @@
+black==23.7.0
+flake8==6.0.0
+flake8-bugbear==23.9.16
+flake8-implicit-str-concat==0.4.0
+isort==5.10.1
+pre-commit==3.3.3

requirements/tests.txt

@@ -0,0 +1 @@
+pytest==7.4.0