Bump patch version

Handle the error poetry raises when not in a poetry managed project
  and use that as a sign to skip further usage of the plugin in that
  environment

README.md

@@ -5,15 +5,16 @@ dependencies to be installed using [Poetry](https://python-poetry.org/) using it
 
 ⚠️ **This project is alpha software and should not be used in a production capacity** ⚠️
 
-![image](https://img.shields.io/pypi/l/tox-poetry-installer)
-![image](https://img.shields.io/pypi/v/tox-poetry-installer)
-![image](https://img.shields.io/pypi/pyversions/tox-poetry-installer)
+[![image](https://img.shields.io/pypi/l/tox-poetry-installer)](https://opensource.org/licenses/MIT)
+[![image](https://img.shields.io/pypi/v/tox-poetry-installer)](https://pypi.org/project/tox-poetry-installer/)
+[![image](https://img.shields.io/pypi/pyversions/tox-poetry-installer)](https://www.python.org)
+[![Code style: black](https://img.shields.io/badge/code%20style-black-000000.svg)](https://github.com/psf/black)
 
 **Documentation**
 
 * [Installation](#installation)
 * [Quick Start](#quick-start)
-* [Usage](#usage)
+* [Usage Examples](#usage-examples)
 * [Known Drawbacks and Problems](#known-drawbacks-and-problems)
 * [Why would I use this?](#why-would-i-use-this) (What problems does this solve?)
 * [Developing](#developing)
@@ -97,7 +98,7 @@ commands = ...
 one Tox is testing) will always be installed from the lockfile.
 
 
-## Usage
+## Usage Examples
 
 After installing the plugin to a project, your Tox automation is already benefiting from the
 lockfile: when Tox installs your project package to one of your environments, all the dependencies
@@ -253,6 +254,12 @@ Tox installation backend using Pip.
 * The plugin currently depends on `poetry<1.1.0`. This can be a different version than Poetry being
   used for actual project development. (See the [road map](#roadmap))
 
+* Tox environments automatically inherit their settings from the main `testenv` environment. This
+  means that if the `require_locked_deps = true` is specified for the `testenv` environment then
+  all environments will also require locked dependencies. This can be overridden by explicitly
+  specifying `require_locked_deps = false` on child environments where unlocked dependencies are
+  needed.
+
 * There are a handful of packages that cannot be installed from the lockfile, whether as specific
   dependencies or as transient dependencies (dependencies of dependencies). This is due to
   [an ongoing discussion in the Poetry project](https://github.com/python-poetry/poetry/issues/1584);

pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "tox-poetry-installer"
-version = "0.2.1"
+version = "0.2.2"
 license = "MIT"
 authors = ["Ethan Paul <24588726+enpaul@users.noreply.github.com>"]
 description = "Tox plugin to install Tox environment dependencies using the Poetry backend and lockfile"

tox_poetry_installer.py

@@ -30,7 +30,7 @@ from tox.venv import VirtualEnv as ToxVirtualEnv
 
 __title__ = "tox-poetry-installer"
 __summary__ = "Tox plugin to install Tox environment dependencies using the Poetry backend and lockfile"
-__version__ = "0.2.1"
+__version__ = "0.2.2"
 __url__ = "https://github.com/enpaul/tox-poetry-installer/"
 __license__ = "MIT"
 __authors__ = ["Ethan Paul <24588726+enpaul@users.noreply.github.com>"]
@@ -266,7 +266,23 @@ def tox_testenv_install_deps(venv: ToxVirtualEnv, action: ToxAction):
         )
         return
 
+    try:
         poetry = PoetryFactory().create_poetry(venv.envconfig.config.toxinidir)
+    except RuntimeError as err:
+        # Support running the plugin when the current tox project does not use Poetry for its
+        # environment/dependency management.
+        #
+        # ``RuntimeError`` is dangerous to blindly catch because it can be (and in Poetry's case,
+        # is) raised in many different places for different purposes. This check of the error
+        # content, while crude and potentially fragile, will hopefully prevent ``RuntimeError``s
+        # not caused by this specific condition to be re-raised as genuine errors. This may need
+        # tuning in the future.
+        if "[tool.poetry] section not found" in str(err):
+            reporter.verbosity1(
+                f"{_REPORTER_PREFIX} project does not use Poetry for env management, skipping installation of locked dependencies"
+            )
+            return
+        raise err
 
     reporter.verbosity1(
         f"{_REPORTER_PREFIX} loaded project pyproject.toml from {poetry.file}"