def _activate(self): # type: () -> Iterable[Distribution] # set up the local .pex environment pex_info = self.pex_info() target = DistributionTarget.for_interpreter(self._interpreter) self._envs.append(PEXEnvironment(self._pex, pex_info, target=target)) # N.B. by this point, `pex_info.pex_path` will contain a single pex path # merged from pex_path in `PEX-INFO` and `PEX_PATH` set in the environment. # `PEX_PATH` entries written into `PEX-INFO` take precedence over those set # in the environment. if pex_info.pex_path: # set up other environments as specified in pex_path for pex_path in filter(None, pex_info.pex_path.split(os.pathsep)): pex_info = PexInfo.from_pex(pex_path) pex_info.update(self._pex_info_overrides) self._envs.append(PEXEnvironment(pex_path, pex_info, target=target)) # activate all of them activated_dists = [] # type: List[Distribution] for env in self._envs: activated_dists.extend(env.activate()) # Ensure that pkg_resources is not imported until at least every pex environment # (i.e. PEX_PATH) has been merged into the environment PEXEnvironment._declare_namespace_packages(activated_dists) return activated_dists
def _activate(self): # type: () -> Iterable[Distribution] activated_dists = [] # type: List[Distribution] for env in self._loaded_envs: activated_dists.extend(env.activate()) # Ensure that pkg_resources is not imported until at least every pex environment # (i.e. PEX_PATH) has been merged into the environment PEXEnvironment._declare_namespace_packages(activated_dists) return activated_dists