def _async_start(self):
pr, pw = os.pipe()
self.fd_pipes = {}
self.fd_pipes[pw] = pw
self._async_func_reader_pw = pw
self._async_func_reader = PipeReader(input_files={"input": pr},
scheduler=self.scheduler)
self._async_func_reader.addExitListener(self._async_func_reader_exit)
self._async_func_reader.start()
yield ForkProcess._async_start(self)
os.close(pw)
def _async_start(self):
root_config = self.pkg.root_config
portdb = root_config.trees["porttree"].dbapi
ebuild_path = self._get_ebuild_path()
# This is initialized by an earlier _async_uri_map call.
uri_map = self._uri_map
if not uri_map:
# Nothing to fetch.
self.returncode = os.EX_OK
self._async_wait()
return
settings = self.config_pool.allocate()
settings.setcpv(self.pkg)
settings.configdict["pkg"]["SRC_URI"] = self.src_uri
portage.doebuild_environment(ebuild_path, 'fetch',
settings=settings, db=portdb)
if self.prefetch and \
self._prefetch_size_ok(uri_map, settings, ebuild_path):
self.config_pool.deallocate(settings)
self.returncode = os.EX_OK
self._async_wait()
return
nocolor = settings.get("NOCOLOR")
if self.prefetch:
settings["PORTAGE_PARALLEL_FETCHONLY"] = "1"
if self.background:
nocolor = "true"
if nocolor is not None:
settings["NOCOLOR"] = nocolor
self._settings = settings
yield ForkProcess._async_start(self)
# Free settings now since it's no longer needed in
# this process (the subprocess has a private copy).
self.config_pool.deallocate(settings)
settings = None
self._settings = None
def _async_start(self):
self.addExitListener(self._future_done)
yield ForkProcess._async_start(self)
