Hello dynamic dependencies, my old friends

noxfile.py

@@ -53,11 +53,12 @@ def dev(session: nox.Session) -> None:
         session.run("python", "-m", "venv", VENV_PATH, "--upgrade-deps")
 
     python = partial(session.run, f"{venv_path}/python", "-m")
+    contraint = ("--constraint", f"{REQUIREMENTS_PATH}/constraints.txt")
 
-    requirement_files = get_requirement_files()
-    for requirement_file in requirement_files:
-        python("pip", "install", "-r", requirement_file, external=True)
-    python("pip", "install", "--editable", ".", external=True)
+    for requirement_file in get_requirement_files():
+        python("pip", "install", "-r", requirement_file, *contraint, external=True)
+
+    python("pip", "install", "--editable", ".", *contraint, external=True)
 
     python("pip", "install", "pre-commit", external=True)
     session.run(f"{venv_path}/pre-commit", "install", external=True)
@@ -71,9 +72,9 @@ def run_tests_with_coverage(session: nox.Session) -> None:
     """Run pytest with coverage, outputs console report and json."""
     print_standard_logs(session)
 
-    session.install(".")
-    session.install("-r", f"{REQUIREMENTS_PATH}/requirements.txt")
-    session.install("-r", f"{REQUIREMENTS_PATH}/requirements-test.txt")
+    contraint = ("--constraint", f"{REQUIREMENTS_PATH}/constraints.txt")
+
+    session.install(".[test]", *contraint)
 
     coverage = partial(session.run, "python", "-m", "coverage")
 
@@ -92,7 +93,9 @@ def coverage_combine(session: nox.Session) -> None:
     """CI: Combine parallel-mode coverage files and produce reports."""
     print_standard_logs(session)
 
-    session.install("-r", f"{REQUIREMENTS_PATH}/requirements-test.txt")
+    contraint = ("--constraint", f"{REQUIREMENTS_PATH}/constraints.txt")
+
+    session.install("-r", f"{REQUIREMENTS_PATH}/requirements-test.txt", *contraint)
 
     coverage = partial(session.run, "python", "-m", "coverage")
     coverage("combine")
@@ -105,9 +108,8 @@ def run_linters_and_formatters(session: nox.Session) -> None:
     """Run code formatters, linters, and type checking against all files."""
     print_standard_logs(session)
 
-    session.install(".")
-    session.install("-r", f"{REQUIREMENTS_PATH}/requirements.txt")
-    session.install("-r", f"{REQUIREMENTS_PATH}/requirements-dev.txt")
+    contraint = ("--constraint", f"{REQUIREMENTS_PATH}/constraints.txt")
+    session.install(".[dev]", *contraint)
 
     python = partial(session.run, "python", "-m")
 
@@ -143,16 +145,15 @@ def update_deps(session: nox.Session) -> None:
     """Process requirement*.txt files, updating only additions/removals."""
     print_standard_logs(session)
 
-    requirement_files = get_requirement_files()
-
     session.install("pip-tools")
     session.run(
         "pip-compile",
+        "--strip-extras",
         "--no-annotate",
         "--no-emit-index-url",
         "--output-file",
         f"{REQUIREMENTS_PATH}/constraints.txt",
-        *requirement_files,
+        *get_requirement_files(),
     )
 
 
@@ -161,17 +162,16 @@ def upgrade_deps(session: nox.Session) -> None:
     """Process requirement*.txt files and upgrade all libraries as possible."""
     print_standard_logs(session)
 
-    requirement_files = get_requirement_files()
-
     session.install("pip-tools")
     session.run(
         "pip-compile",
+        "--strip-extras",
         "--no-annotate",
         "--no-emit-index-url",
         "--upgrade",
         "--output-file",
         f"{REQUIREMENTS_PATH}/constraints.txt",
-        *requirement_files,
+        *get_requirement_files(),
     )
 
 

pyproject.toml

@@ -1,5 +1,5 @@
 [build-system]
-requires = ["setuptools>=64"]
+requires = [ "setuptools>=64" ]
 build-backend = "setuptools.build_meta"
 
 [project]
@@ -20,6 +20,14 @@ classifiers = [
     "Programming Language :: Python :: 3 :: Only",
     "Programming Language :: Python :: Implementation :: CPython",
 ]
+dynamic = [ "dependencies", "optional-dependencies" ]
+
+[tool.setuptools.dynamic.dependencies]
+file = [ "requirements/requirements.txt" ]
+
+[tool.setuptools.dynamic.optional-dependencies]
+dev = { file = [ "requirements/requirements-dev.txt" ] }
+test = { file = [ "requirements/requirements-test.txt" ] }
 
 [project.urls]
 homepage = "https://github.com/[ORG NAME]/[REPO NAME]"

requirements/constraints.txt

@@ -2,7 +2,7 @@
 # This file is autogenerated by pip-compile with Python 3.12
 # by the following command:
 #
-#    pip-compile --no-annotate --no-emit-index-url --output-file=./requirements/constraints.txt requirements/requirements-dev.txt requirements/requirements-test.txt requirements/requirements.txt
+#    pip-compile --no-annotate --no-emit-index-url --output-file=./requirements/constraints.txt --strip-extras requirements/requirements-dev.txt requirements/requirements-test.txt requirements/requirements.txt
 #
 black==25.1.0
 certifi==2025.4.26
@@ -16,7 +16,7 @@ idna==3.10
 iniconfig==2.1.0
 isort==6.0.1
 mccabe==0.7.0
-mypy==1.15.0
+mypy==1.16.0
 mypy-extensions==1.1.0
 packaging==25.0
 pathspec==0.12.1
@@ -27,5 +27,6 @@ pyflakes==3.3.2
 pytest==8.3.5
 pytest-randomly==3.16.0
 requests==2.32.3
+types-requests==2.32.0.20250515
 typing-extensions==4.13.2
 urllib3==2.4.0

requirements/requirements-dev.txt

@@ -1,5 +1,4 @@
 # Development Requirements - linting, formatting, etc.
---constraint ./constraints.txt
 
 # Linting
 flake8

requirements/requirements-test.txt

@@ -1,5 +1,4 @@
 # Testing Requirements
---constraint ./constraints.txt
 
 pytest
 pytest-randomly

requirements/requirements.txt

@@ -1,4 +1,3 @@
 # Core Dependencies
---constraint ./constraints.txt
 
 requests