(self)
Load the pyproject.toml file.

        After calling this routine, all of the attributes related to PEP 517
        processing for this requirement have been set. In particular, the
        use_pep517 attribute can be used to determine whether we should
        follow the PEP 517 or legacy (setup.py) code path.
Load the pyproject.toml file.
Load the pyproject . toml file .
def load_pyproject_toml(self):
        # type: () -> None
        """Load the pyproject.toml file.

        After calling this routine, all of the attributes related to PEP 517
        processing for this requirement have been set. In particular, the
        use_pep517 attribute can be used to determine whether we should
        follow the PEP 517 or legacy (setup.py) code path.
        """
        pyproject_toml_data = load_pyproject_toml(
            self.use_pep517,
            self.pyproject_toml_path,
            self.setup_py_path,
            str(self)
        )

        self.use_pep517 = (pyproject_toml_data is not None)

        if not self.use_pep517:
            return

        requires, backend, check = pyproject_toml_data
        self.requirements_to_check = check
        self.pyproject_requires = requires
        self.pep517_backend = Pep517HookCaller(self.setup_py_dir, backend)

        # Use a custom function to call subprocesses
        self.spin_message = ""

        def runner(
            cmd,  # type: List[str]
            cwd=None,  # type: Optional[str]
            extra_environ=None  # type: Optional[Mapping[str, Any]]
        ):
            # type: (...) -> None
            with open_spinner(self.spin_message) as spinner:
                call_subprocess(
                    cmd,
                    cwd=cwd,
                    extra_environ=extra_environ,
                    spinner=spinner
                )
            self.spin_message = ""

        self.pep517_backend._subprocess_runner = runner
def load_pyproject_toml ( self ) : # type: () -> None pyproject_toml_data = load_pyproject_toml ( self . use_pep517 , self . pyproject_toml_path , self . setup_py_path , str ( self ) ) self . use_pep517 = ( pyproject_toml_data is not None ) if not self . use_pep517 : return requires , backend , check = pyproject_toml_data self . requirements_to_check = check self . pyproject_requires = requires self . pep517_backend = Pep517HookCaller ( self . setup_py_dir , backend ) # Use a custom function to call subprocesses self . spin_message = "" def runner ( cmd , # type: List[str] cwd = None , # type: Optional[str] extra_environ = None # type: Optional[Mapping[str, Any]] ) : # type: (...) -> None with open_spinner ( self . spin_message ) as spinner : call_subprocess ( cmd , cwd = cwd , extra_environ = extra_environ , spinner = spinner ) self . spin_message = "" self . pep517_backend . _subprocess_runner = runner