Lines Matching refs:self
12 def __init__(self, loop, protocol, args, shell,
16 self._closed = False
17 self._protocol = protocol
18 self._loop = loop
19 self._proc = None
20 self._pid = None
21 self._returncode = None
22 self._exit_waiters = []
23 self._pending_calls = collections.deque()
24 self._pipes = {}
25 self._finished = False
28 self._pipes[0] = None
30 self._pipes[1] = None
32 self._pipes[2] = None
36 self._start(args=args, shell=shell, stdin=stdin, stdout=stdout,
39 self.close()
42 self._pid = self._proc.pid
43 self._extra['subprocess'] = self._proc
45 if self._loop.get_debug():
51 program, self._pid)
53 self._loop.create_task(self._connect_pipes(waiter))
55 def __repr__(self):
56 info = [self.__class__.__name__]
57 if self._closed:
59 if self._pid is not None:
60 info.append(f'pid={self._pid}')
61 if self._returncode is not None:
62 info.append(f'returncode={self._returncode}')
63 elif self._pid is not None:
68 stdin = self._pipes.get(0)
72 stdout = self._pipes.get(1)
73 stderr = self._pipes.get(2)
84 def _start(self, args, shell, stdin, stdout, stderr, bufsize, **kwargs):
87 def set_protocol(self, protocol):
88 self._protocol = protocol
90 def get_protocol(self):
91 return self._protocol
93 def is_closing(self):
94 return self._closed
96 def close(self):
97 if self._closed:
99 self._closed = True
101 for proto in self._pipes.values():
106 if (self._proc is not None and
108 self._returncode is None and
111 self._proc.poll() is None):
113 if self._loop.get_debug():
114 logger.warning('Close running child process: kill %r', self)
117 self._proc.kill()
123 def __del__(self, _warn=warnings.warn):
124 if not self._closed:
125 _warn(f"unclosed transport {self!r}", ResourceWarning, source=self)
126 self.close()
128 def get_pid(self):
129 return self._pid
131 def get_returncode(self):
132 return self._returncode
134 def get_pipe_transport(self, fd):
135 if fd in self._pipes:
136 return self._pipes[fd].pipe
140 def _check_proc(self):
141 if self._proc is None:
144 def send_signal(self, signal):
145 self._check_proc()
146 self._proc.send_signal(signal)
148 def terminate(self):
149 self._check_proc()
150 self._proc.terminate()
152 def kill(self):
153 self._check_proc()
154 self._proc.kill()
156 async def _connect_pipes(self, waiter):
158 proc = self._proc
159 loop = self._loop
163 lambda: WriteSubprocessPipeProto(self, 0),
165 self._pipes[0] = pipe
169 lambda: ReadSubprocessPipeProto(self, 1),
171 self._pipes[1] = pipe
175 lambda: ReadSubprocessPipeProto(self, 2),
177 self._pipes[2] = pipe
179 assert self._pending_calls is not None
181 loop.call_soon(self._protocol.connection_made, self)
182 for callback, data in self._pending_calls:
184 self._pending_calls = None
194 def _call(self, cb, *data):
195 if self._pending_calls is not None:
196 self._pending_calls.append((cb, data))
198 self._loop.call_soon(cb, *data)
200 def _pipe_connection_lost(self, fd, exc):
201 self._call(self._protocol.pipe_connection_lost, fd, exc)
202 self._try_finish()
204 def _pipe_data_received(self, fd, data):
205 self._call(self._protocol.pipe_data_received, fd, data)
207 def _process_exited(self, returncode):
209 assert self._returncode is None, self._returncode
210 if self._loop.get_debug():
211 logger.info('%r exited with return code %r', self, returncode)
212 self._returncode = returncode
213 if self._proc.returncode is None:
216 self._proc.returncode = returncode
217 self._call(self._protocol.process_exited)
219 self._try_finish()
221 async def _wait(self):
225 if self._returncode is not None:
226 return self._returncode
228 waiter = self._loop.create_future()
229 self._exit_waiters.append(waiter)
232 def _try_finish(self):
233 assert not self._finished
234 if self._returncode is None:
237 for p in self._pipes.values()):
238 self._finished = True
239 self._call(self._call_connection_lost, None)
241 def _call_connection_lost(self, exc):
243 self._protocol.connection_lost(exc)
246 for waiter in self._exit_waiters:
248 waiter.set_result(self._returncode)
249 self._exit_waiters = None
250 self._loop = None
251 self._proc = None
252 self._protocol = None
257 def __init__(self, proc, fd):
258 self.proc = proc
259 self.fd = fd
260 self.pipe = None
261 self.disconnected = False
263 def connection_made(self, transport):
264 self.pipe = transport
266 def __repr__(self):
267 return f'<{self.__class__.__name__} fd={self.fd} pipe={self.pipe!r}>'
269 def connection_lost(self, exc):
270 self.disconnected = True
271 self.proc._pipe_connection_lost(self.fd, exc)
272 self.proc = None
274 def pause_writing(self):
275 self.proc._protocol.pause_writing()
277 def resume_writing(self):
278 self.proc._protocol.resume_writing()
284 def data_received(self, data):
285 self.proc._pipe_data_received(self.fd, data)