예제 #1
0
파일: test_utils.py 프로젝트: xareelee/pdm
def test_find_python_in_path(tmp_path):

    assert utils.find_python_in_path(sys.executable) == pathlib.Path(
        sys.executable)

    posix_path_to_executable = pathlib.Path(sys.executable).as_posix().lower()
    if sys.platform == "darwin":
        found_version_of_executable = re.split(r"(python@[\d.]*\d+)",
                                               posix_path_to_executable)
        posix_path_to_executable = "".join(found_version_of_executable[0:2])
    assert (utils.find_python_in_path(
        sys.prefix).as_posix().lower().startswith(posix_path_to_executable))

    assert not utils.find_python_in_path(tmp_path)
예제 #2
0
    def find_interpreters(self,
                          python_spec: str | None = None
                          ) -> Iterable[PythonInfo]:
        """Return an iterable of interpreter paths that matches the given specifier,
        which can be:
            1. a version specifier like 3.7
            2. an absolute path
            3. a short name like python3
            4. None that returns all possible interpreters
        """
        config = self.config
        python: str | Path | None = None

        if not python_spec:
            if config.get("python.use_pyenv", True) and PYENV_INSTALLED:
                pyenv_shim = os.path.join(PYENV_ROOT, "shims", "python3")
                if os.path.exists(pyenv_shim):
                    yield PythonInfo.from_path(pyenv_shim)
                elif os.path.exists(pyenv_shim[:-1]):
                    yield PythonInfo.from_path(pyenv_shim[:-1])
            if config.get("use_venv"):
                python = get_in_project_venv_python(self.root)
                if python:
                    yield PythonInfo.from_path(python)
            python = shutil.which("python")
            if python:
                yield PythonInfo.from_path(python)
            args = []
        else:
            if not all(c.isdigit() for c in python_spec.split(".")):
                if Path(python_spec).exists():
                    python = find_python_in_path(python_spec)
                    if python:
                        yield PythonInfo.from_path(python)
                else:
                    python = shutil.which(python_spec)
                    if python:
                        yield PythonInfo.from_path(python)
                return
            args = [int(v) for v in python_spec.split(".") if v != ""]
        finder = Finder()
        for entry in finder.find_all_python_versions(*args):
            yield PythonInfo.from_python_version(entry.py_version)
        if not python_spec:
            this_python = getattr(sys, "_base_executable", sys.executable)
            yield PythonInfo.from_path(this_python)