forked from M-Labs/artiq
gui/applets: capture applet stdout/stderr and redirect to log. Closes #472
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@ -3,12 +3,15 @@ import asyncio
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import sys
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import string
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import shlex
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import os
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import subprocess
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from functools import partial
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from itertools import count
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from PyQt5 import QtCore, QtGui, QtWidgets
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from artiq.protocols.pipe_ipc import AsyncioParentComm
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from artiq.protocols.logging import LogParser
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from artiq.protocols import pyon
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from artiq.gui.tools import QDockWidgetCloseDetect
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@ -106,6 +109,9 @@ class _AppletDock(QDockWidgetCloseDetect):
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self.applet_name = name
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self.setWindowTitle("Applet: " + name)
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def _get_log_source(self):
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return "applet({})".format(self.applet_name)
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async def start(self):
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if self.starting_stopping:
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return
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@ -121,12 +127,22 @@ class _AppletDock(QDockWidgetCloseDetect):
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ipc_address=self.ipc.get_address().replace("\\", "\\\\")
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)
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logger.debug("starting command %s for %s", command, self.applet_name)
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env = os.environ.copy()
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env["PYTHONUNBUFFERED"] = "1"
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try:
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await self.ipc.create_subprocess(*shlex.split(command),
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start_new_session=True)
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await self.ipc.create_subprocess(
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*shlex.split(command),
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stdout=subprocess.PIPE, stderr=subprocess.PIPE,
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env=env, start_new_session=True)
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except:
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logger.warning("Applet %s failed to start", self.applet_name,
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exc_info=True)
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asyncio.ensure_future(
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LogParser(self._get_log_source).stream_task(
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self.ipc.process.stdout))
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asyncio.ensure_future(
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LogParser(self._get_log_source).stream_task(
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self.ipc.process.stderr))
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self.ipc.start(self.embed, self.fix_initial_size)
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finally:
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self.starting_stopping = False
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