feat: Add to constraints only packages from requested extras

.pre-commit-config.yaml

@@ -5,12 +5,12 @@ repos:
     - id: black
       pass_filenames: true
 -   repo: https://github.com/charliermarsh/ruff-pre-commit
-    rev: v0.4.9
+    rev: v0.5.3
     hooks:
       - id: ruff
         exclude: _vendor|vendored
 -   repo: https://github.com/pre-commit/mirrors-mypy
-    rev: 'v1.10.0'  # Use the sha / tag you want to point at
+    rev: 'v1.10.1'  # Use the sha / tag you want to point at
     hooks:
     -   id: mypy
 -   repo: https://github.com/pre-commit/pre-commit-hooks

tests/test_parsing_files.py

@@ -1,3 +1,5 @@
+from __future__ import annotations
+
 from typing import TYPE_CHECKING
 
 from tox_min_req._parse_dependencies import (
@@ -12,65 +14,72 @@
     import pytest
 
 
-def test_setup_cfg_parse(data_dir: "Path", monkeypatch: "pytest.MonkeyPatch"):
+def test_setup_cfg_parse(data_dir: Path, monkeypatch: pytest.MonkeyPatch):
     monkeypatch.setattr("sys.platform", "linux")
     setup_file = data_dir / "setup.cfg"
 
     constrains = {
         "pytest": "7.0.0",
         "pytest-cov": "2.5",
-        "sphinx": "3.0.0",
         "scipy": "1.2.0",
     }
 
     assert parse_setup_cfg(
-        setup_file, python_version="3.7", python_full_version="3.7.1"
+        setup_file, python_version="3.7", python_full_version="3.7.1", extras=("tests",)
     ) == {
         "numpy": "1.16.0",
         **constrains,
     }
     assert parse_setup_cfg(
-        setup_file, python_version="3.8", python_full_version="3.8.3"
+        setup_file, python_version="3.8", python_full_version="3.8.3", extras=("tests",)
     ) == {
         "numpy": "1.18.0",
         **constrains,
     }
     monkeypatch.setattr("sys.platform", "win32")
     assert parse_setup_cfg(
-        setup_file, python_version="3.8", python_full_version="3.8.3"
+        setup_file, python_version="3.8", python_full_version="3.8.3", extras=("tests",)
     ) == {
         "numpy": "1.18.0",
         "pandas": "0.25.0",
         **constrains,
     }
 
 
-def test_pyproject_toml_parse(data_dir: "Path", monkeypatch: "pytest.MonkeyPatch"):
+def test_pyproject_toml_parse(data_dir: Path, monkeypatch: pytest.MonkeyPatch):
     monkeypatch.setattr("sys.platform", "linux")
     pyproject_file = data_dir / "pyproject.toml"
 
     constrains = {
         "pytest": "7.0.0",
         "pytest-cov": "2.5",
-        "sphinx": "3.0.0",
         "scipy": "1.2.0",
     }
 
     assert parse_pyproject_toml(
-        pyproject_file, python_version="3.7", python_full_version="3.7.1"
+        pyproject_file,
+        python_version="3.7",
+        python_full_version="3.7.1",
+        extras=("tests",),
     ) == {
         "numpy": "1.16.0",
         **constrains,
     }
     assert parse_pyproject_toml(
-        pyproject_file, python_version="3.8", python_full_version="3.8.3"
+        pyproject_file,
+        python_version="3.8",
+        python_full_version="3.8.3",
+        extras=("tests",),
     ) == {
         "numpy": "1.18.0",
         **constrains,
     }
     monkeypatch.setattr("sys.platform", "win32")
     assert parse_pyproject_toml(
-        pyproject_file, python_version="3.8", python_full_version="3.8.3"
+        pyproject_file,
+        python_version="3.8",
+        python_full_version="3.8.3",
+        extras=("tests",),
     ) == {
         "numpy": "1.18.0",
         "pandas": "0.25.0",

tox_min_req/_parse_dependencies.py

@@ -4,6 +4,7 @@
 
 import re
 import sys
+from collections.abc import Sequence
 from configparser import ConfigParser
 from pathlib import Path
 
@@ -65,7 +66,10 @@ def _parse_setup_cfg_section(
 
 
 def parse_setup_cfg(
-    path: str | Path, python_version: str, python_full_version: str
+    path: str | Path,
+    python_version: str,
+    python_full_version: str,
+    extras: Sequence[str] = (),
 ) -> dict[str, str]:
     """
     Parse the setup.cfg file and return a dict of the dependencies and their lower version constraints.
@@ -83,6 +87,8 @@ def parse_setup_cfg(
         python_full_version,
     )
     for extra in config["options.extras_require"]:
+        if extra not in extras:
+            continue
         base_constrains.update(
             _parse_setup_cfg_section(
                 config["options.extras_require"][extra],
@@ -95,7 +101,10 @@ def parse_setup_cfg(
 
 
 def parse_pyproject_toml(
-    path: str | Path, python_version: str, python_full_version: str
+    path: str | Path,
+    python_version: str,
+    python_full_version: str,
+    extras: Sequence[str] = (),
 ) -> dict[str, str]:
     """
     Parse the pyproject.toml file and return a dict of the dependencies and their lower version constraints.
@@ -113,6 +122,8 @@ def parse_pyproject_toml(
             parse_single_requirement(line, python_version, python_full_version)
         )
     for extra in data["project"]["optional-dependencies"]:
+        if extra not in extras:
+            continue
         for line in data["project"]["optional-dependencies"][extra]:
             base_constrains.update(
                 parse_single_requirement(line, python_version, python_full_version)

tox_min_req/_tox_plugin.py

@@ -65,13 +65,14 @@ def tox_on_install(tox_env: ToxEnv, arguments: Any, section: str, of_type: str)
     project_path = tox_env.core["package_root"]
     python_version = ".".join(str(x) for x in tox_env.base_python.version_info[:2])
     python_full_version = ".".join(str(x) for x in tox_env.base_python.version_info[:3])
+    extras = tox_env.conf["extras"]
     if (project_path / "setup.cfg").exists():
         dependencies = parse_setup_cfg(
-            project_path / "setup.cfg", python_version, python_full_version
+            project_path / "setup.cfg", python_version, python_full_version, extras
         )
     elif (project_path / "pyproject.toml").exists():
         dependencies = parse_pyproject_toml(
-            project_path / "pyproject.toml", python_version, python_full_version
+            project_path / "pyproject.toml", python_version, python_full_version, extras
         )
     else:  # pragma: no cover
         return