mirrors/cpython
1
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2025-10-09 16:34:44 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 17

Closes #22685, asyncio: Set the transport of stdout and stderr StreamReader

Browse source 
objects in the SubprocessStreamProtocol. It allows to pause the transport to
not buffer too much stdout or stderr data.
This commit is contained in:
Victor Stinner 2014-11-25 17:20:33 +01:00
parent c8c64e30e8
commit 5ef586f25a
2 changed files with 44 additions and 5 deletions
Download patch file Download diff file Expand all files Collapse all files

17
Lib/asyncio/subprocess.py
View file

@ -41,15 +41,22 @@ class SubprocessStreamProtocol(streams.FlowControlMixin,
def connection_made(self, transport):
self._transport = transport
if transport.get_pipe_transport(1):
stdout_transport = transport.get_pipe_transport(1)
if stdout_transport is not None:
self.stdout = streams.StreamReader(limit=self._limit,
loop=self._loop)
if transport.get_pipe_transport(2):
self.stdout.set_transport(stdout_transport)
stderr_transport = transport.get_pipe_transport(2)
if stderr_transport is not None:
self.stderr = streams.StreamReader(limit=self._limit,
loop=self._loop)
stdin = transport.get_pipe_transport(0)
if stdin is not None:
self.stdin = streams.StreamWriter(stdin,
self.stderr.set_transport(stderr_transport)
stdin_transport = transport.get_pipe_transport(0)
if stdin_transport is not None:
self.stdin = streams.StreamWriter(stdin_transport,
protocol=self,
reader=None,
loop=self._loop)