Method check_cython_extensions

setup.py:257–267

(self, extensions)

    """

    def check_cython_extensions(self, extensions) -> None:
        for ext in extensions:
            for src in ext.sources:
                if not os.path.exists(src):
                    print(f"{ext.name}: -> [{ext.sources}]")
                    raise Exception(
                        f"""Cython-generated file '{src}' not found.
                Cython is required to compile pandas from a development branch.
                Please install Cython or download a release package of pandas.
                """
                    )

    def build_extensions(self) -> None:
        self.check_cython_extensions(self.extensions)