Coverage for /pythoncovmergedfiles/medio/medio/usr/local/lib/python3.8/site-packages/anyio/abc/_subprocesses.py: 100%

1from abc import abstractmethod 

2from signal import Signals 

3from typing import Optional 

4 

5from ._resources import AsyncResource 

6from ._streams import ByteReceiveStream, ByteSendStream 

7 

8 

9class Process(AsyncResource): 

10 """An asynchronous version of :class:`subprocess.Popen`.""" 

11 

12 @abstractmethod 

13 async def wait(self) -> int: 

14 """ 

15 Wait until the process exits. 

16 

17 :return: the exit code of the process 

18 """ 

19 

20 @abstractmethod 

21 def terminate(self) -> None: 

22 """ 

23 Terminates the process, gracefully if possible. 

24 

25 On Windows, this calls ``TerminateProcess()``. 

26 On POSIX systems, this sends ``SIGTERM`` to the process. 

27 

28 .. seealso:: :meth:`subprocess.Popen.terminate` 

29 """ 

30 

31 @abstractmethod 

32 def kill(self) -> None: 

33 """ 

34 Kills the process. 

35 

36 On Windows, this calls ``TerminateProcess()``. 

37 On POSIX systems, this sends ``SIGKILL`` to the process. 

38 

39 .. seealso:: :meth:`subprocess.Popen.kill` 

40 """ 

41 

42 @abstractmethod 

43 def send_signal(self, signal: Signals) -> None: 

44 """ 

45 Send a signal to the subprocess. 

46 

47 .. seealso:: :meth:`subprocess.Popen.send_signal` 

48 

49 :param signal: the signal number (e.g. :data:`signal.SIGHUP`) 

50 """ 

51 

52 @property 

53 @abstractmethod 

54 def pid(self) -> int: 

55 """The process ID of the process.""" 

56 

57 @property 

58 @abstractmethod 

59 def returncode(self) -> Optional[int]: 

60 """ 

61 The return code of the process. If the process has not yet terminated, this will be 

62 ``None``. 

63 """ 

64 

65 @property 

66 @abstractmethod 

67 def stdin(self) -> Optional[ByteSendStream]: 

68 """The stream for the standard input of the process.""" 

69 

70 @property 

71 @abstractmethod 

72 def stdout(self) -> Optional[ByteReceiveStream]: 

73 """The stream for the standard output of the process.""" 

74 

75 @property 

76 @abstractmethod 

77 def stderr(self) -> Optional[ByteReceiveStream]: 

78 """The stream for the standard error output of the process."""