Fix pyproject.toml to include dev dependencies

Deprecate requirements_dev.txt

.github/workflows/continuous-integration.yml

@@ -31,8 +31,8 @@ jobs:
             -   name: Install dependencies
                 run: |
                     python -m pip install --upgrade pip
-                    if [ -f requirements_dev.txt ]; then pip install -r requirements_dev.txt; fi
                     pip install .
+                    pip install .[test]
             -   name: Lint with flake8
                 run: |
                     make lint

pyproject.toml

@@ -27,7 +27,13 @@ classifiers = [
     "Natural Language :: English",
     "Programming Language :: Python :: 3.11",
 ]
-
+[project.optional-dependencies]
+test = [
+    "requests",
+    "pytest",
+    "hypothesis",
+    "flake8",
+]
 [project.urls]
 Homepage = "https://github.com/raamana/protocol"
 

requirements_dev.txt

@@ -12,3 +12,4 @@ lxml
 nibabel
 hypothesis
 flake8
+requests