Class PyenvPythonDistribution

testing/__init__.py:697–725

@attr.s(frozen=True)
class PyenvPythonDistribution(PythonDistribution):
    pyenv_root = attr.ib()  # type: str
    _pyenv_script = attr.ib()  # type: str

    def pyenv_env(self, **extra_env):
        # type: (**str) -> Dict[str, str]
        env = os.environ.copy()
        env.update(extra_env)
        env["PYENV_ROOT"] = self.pyenv_root
        env["PATH"] = os.pathsep.join(
            [os.path.join(self.pyenv_root, path) for path in ("bin", "shims")]
            + os.getenv("PATH", os.defpath).split(os.pathsep)
        )
        return env

    def run_pyenv(
        self,
        args,  # type: Iterable[str]
        **popen_kwargs  # type: Any
    ):
        # type: (...) -> Text
        return cast(
            "Text",
            subprocess.check_output(
                args=[self._pyenv_script] + list(args),
                env=self.pyenv_env(**popen_kwargs.pop("env", {})),
                **popen_kwargs
            ).decode("utf-8"),
        )


def ensure_python_distribution(