Add dependencies from lockfile

GitHub: #24

mypy.ini

@@ -19,6 +19,9 @@ ignore_missing_imports = True
 [mypy-setuptools.*]
 ignore_missing_imports = True
 
+[mypy-tomlkit.*]
+ignore_missing_imports = True
+
 [mypy-tox.*]
 ignore_missing_imports = True
 

setup.cfg

@@ -35,6 +35,7 @@ url = https://pypi.org/project/tox-poetry-dev-dependencies/
 install_requires =
     importlib-metadata
     poetry-core ~= 1.0
+    tomlkit
     tox
 package_dir =
     = src

src/tox_poetry_dev_dependencies/_hooks.py

@@ -6,6 +6,7 @@
 import typing
 
 import poetry.core.factory
+import tomlkit
 import tox
 
 if typing.TYPE_CHECKING:
@@ -47,15 +48,24 @@ def tox_addoption(parser: tox.config.Parser) -> None:
         'poetry_use_source_repos',
         'string',
         (
-            "Use Poetry's source repositories. Set 'pip_env_vars' to set as "
-            "Pip environment variables ('PIP_INDEX_URL', and "
-            "'PIP_EXTRA_INDEX_URL')."
+            "Use Poetry's source repositories. Set 'pip_env_vars' to set as"
+            " Pip environment variables ('PIP_INDEX_URL' and"
+            " 'PIP_EXTRA_INDEX_URL')."
         ),
     )
     parser.add_testenv_attribute(
         'poetry_experimental_no_virtual_env',
         'bool',
-        "Do not create a virtual environment.",
+        "(EXPERIMENTAL) Do not create a virtual environment.",
+        default=False,
+    )
+    parser.add_testenv_attribute(
+        'poetry_experimental_add_locked_dependencies',
+        'bool',
+        (
+            "(EXPERIMENTAL) Add Poetry's locked dependencies from the lockfile"
+            " to 'deps' in the test environment."
+        ),
         default=False,
     )
 
@@ -99,11 +109,17 @@ def _is_test_env(env_config: tox.config.TestenvConfig) -> bool:
 @tox.hookimpl  # type: ignore[misc]
 def tox_configure(config: tox.config.Config) -> None:
     """Set hook."""
+    #
+    project_dir_path = pathlib.Path(config.setupdir)
+    #
     try:
-        poetry_ = _get_poetry(config.setupdir)
+        poetry_ = _get_poetry(project_dir_path)
     except (NoPoetryFound, NoPyprojectTomlFound):
         pass
     else:
+        pinned_deps = _get_pinned_deps(project_dir_path)
+        _add_pinned_dependencies(config, pinned_deps)
+        #
         dev_deps = _get_dev_requirements(poetry_)
         _add_dev_dependencies(config, dev_deps)
         #
@@ -179,6 +195,18 @@ def _add_index_servers_as_pip_env_vars(
         )
 
 
+def _add_pinned_dependencies(
+        tox_config: tox.config.Config,
+        pinned_dep_configs: typing.Iterable[tox.config.DepConfig],
+) -> None:
+    #
+    for env_config in tox_config.envconfigs.values():
+        if _is_test_env(env_config):
+            if env_config.poetry_experimental_add_locked_dependencies is True:
+                for dep_config in pinned_dep_configs:
+                    env_config.deps.append(dep_config)
+
+
 def _get_poetry(project_root_path: pathlib.Path) -> poetry.core.poetry.Poetry:
     poetry_factory = poetry.core.factory.Factory()
     try:
@@ -257,4 +285,23 @@ def _get_index_servers(
     return index_servers
 
 
+def _get_pinned_deps(
+        project_root_path: pathlib.Path,
+) -> typing.List[tox.config.DepConfig]:
+    #
+    pinned_deps = []
+    #
+    lock_file_path = project_root_path.joinpath('poetry.lock')
+    if lock_file_path.is_file():
+        lock_str = lock_file_path.read_text()
+        lock_document = tomlkit.parse(lock_str)
+        for dependency in lock_document['package']:
+            dep_name = dependency['name']
+            dep_version = dependency['version']
+            dep_pep_508 = f'{dep_name}=={dep_version}'
+            dep_config = tox.config.DepConfig(dep_pep_508)
+            pinned_deps.append(dep_config)
+    return pinned_deps
+
+
 # EOF