venv.py 文件源码

def _fetch_sources(self):
        self._runner.mkdir_p(self._paths.src)
        self._runner.cd(self._paths.src)

        for project in self._profile.projects.values():
            source = project.source
            src_path = None

            if type(source) is vlttng.profile.HttpFtpSource:
                src_path = project.name

                # download
                posix_path = PurePosixPath(source.url)
                filename = posix_path.name
                self._runner.wget(source.url, filename)

                # extract
                self._runner.mkdir_p(self._paths.project_src(project.name))
                self._runner.tar_x(filename, project.name)
            elif type(source) is vlttng.profile.GitSource:
                src_path = project.name

                # clone
                self._runner.git_clone(source.clone_url, project.name)

                # checkout
                self._runner.cd(self._paths.project_src(project.name))
                self._runner.git_checkout(source.checkout)
                self._runner.cd(self._paths.src)

            # keep where the source of this project is
            if src_path is not None:
                src_path = self._paths.project_src(src_path)
                self._src_paths[project.name] = src_path