forked from M-Labs/artiq
dashboard: support for code applets
This commit is contained in:
parent
deb51eaaa1
commit
56e3c80623
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@ -53,10 +53,14 @@ class AppletsCCBDock(applets.AppletsDock):
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if not self.listen_action.isChecked():
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return
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parent, applet = self.locate_applet(name, group, True)
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if applet is None:
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applet = self.new(name=name, command=command_or_code, parent=parent)
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if is_code:
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spec = {"ty": "code", "code": command_or_code}
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else:
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applet.setText(2, command_or_code)
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spec = {"ty": "command", "command": command_or_code}
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if applet is None:
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applet = self.new(name=name, spec=spec, parent=parent)
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else:
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self.set_spec(applet, spec)
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applet.setCheckState(0, QtCore.Qt.Checked)
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def ccb_disable_applet(self, name, group=None):
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@ -91,7 +91,7 @@ class AppletIPCServer(AsyncioParentComm):
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class _AppletDock(QDockWidgetCloseDetect):
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def __init__(self, datasets_sub, uid, name, command):
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def __init__(self, datasets_sub, uid, name, spec):
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QDockWidgetCloseDetect.__init__(self, "Applet: " + name)
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self.setObjectName("applet" + str(uid))
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@ -101,7 +101,7 @@ class _AppletDock(QDockWidgetCloseDetect):
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self.datasets_sub = datasets_sub
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self.applet_name = name
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self.command = command
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self.spec = spec
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self.starting_stopping = False
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@ -112,30 +112,27 @@ class _AppletDock(QDockWidgetCloseDetect):
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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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async def start_process(self, args, stdin):
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if self.starting_stopping:
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return
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self.starting_stopping = True
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try:
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self.ipc = AppletIPCServer(self.datasets_sub)
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command_tpl = string.Template(self.command)
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python = sys.executable.replace("\\", "\\\\")
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command = command_tpl.safe_substitute(
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python=python,
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artiq_applet=python + " -m artiq.applets."
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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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env["ARTIQ_APPLET_EMBED"] = self.ipc.get_address()
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try:
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await self.ipc.create_subprocess(
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*shlex.split(command),
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*args,
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stdin=None if stdin is None else subprocess.PIPE,
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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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if stdin is not None:
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self.ipc.process.stdin.write(stdin.encode())
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self.ipc.process.stdin.write_eof()
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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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@ -146,6 +143,21 @@ class _AppletDock(QDockWidgetCloseDetect):
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finally:
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self.starting_stopping = False
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async def start(self):
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if self.spec["ty"] == "command":
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command_tpl = string.Template(self.spec["command"])
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python = sys.executable.replace("\\", "\\\\")
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command = command_tpl.safe_substitute(
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python=python,
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artiq_applet=python + " -m artiq.applets."
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)
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logger.debug("starting command %s for %s", command, self.applet_name)
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await self.start_process(shlex.split(command), None)
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elif self.spec["ty"] == "code":
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await self.start_process([sys.executable], self.spec["code"])
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else:
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raise ValueError
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def embed(self, win_id):
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logger.debug("capturing window 0x%x for %s", win_id, self.applet_name)
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self.embed_window = QtGui.QWindow.fromWinId(win_id)
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@ -334,9 +346,10 @@ class AppletsDock(QtWidgets.QDockWidget):
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self.table.addAction(new_action)
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templates_menu = QtWidgets.QMenu()
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for name, template in _templates:
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spec = {"ty": "command", "command": template}
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action = QtWidgets.QAction(name, self.table)
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action.triggered.connect(partial(
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self.new_with_parent, self.new, command=template))
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self.new_with_parent, self.new, spec=spec))
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templates_menu.addAction(action)
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restart_action = QtWidgets.QAction("New applet from template", self.table)
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restart_action.setMenu(templates_menu)
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@ -357,8 +370,38 @@ class AppletsDock(QtWidgets.QDockWidget):
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self.table.itemChanged.connect(self.item_changed)
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def create(self, uid, name, command):
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dock = _AppletDock(self.datasets_sub, uid, name, command)
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def get_spec(self, item):
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if item.applet_spec_ty == "command":
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return {"ty": "command", "command": item.text(2)}
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elif item.applet_spec_ty == "code":
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return {"ty": "code", "code": item.applet_code}
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else:
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raise ValueError
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def set_spec(self, item, spec):
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self.table.itemChanged.disconnect()
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try:
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item.applet_spec_ty = spec["ty"]
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if spec["ty"] == "command":
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item.setText(2, spec["command"])
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item.setIcon(2, QtGui.QIcon())
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if hasattr(item, "applet_code"):
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del item.applet_code
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elif spec["ty"] == "code":
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item.setText(2, "(code)")
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item.setIcon(2, QtWidgets.QApplication.style().standardIcon(
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QtWidgets.QStyle.SP_FileIcon))
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item.applet_code = spec["code"]
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else:
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raise ValueError
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dock = item.applet_dock
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if dock is not None:
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dock.spec = spec
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finally:
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self.table.itemChanged.connect(self.item_changed)
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def create(self, uid, name, spec):
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dock = _AppletDock(self.datasets_sub, uid, name, spec)
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self.main_window.addDockWidget(QtCore.Qt.RightDockWidgetArea, dock)
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dock.setFloating(True)
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asyncio.ensure_future(dock.start())
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@ -369,10 +412,9 @@ class AppletsDock(QtWidgets.QDockWidget):
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if item.ty == "applet":
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if column == 0:
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if item.checkState(0) == QtCore.Qt.Checked:
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command = item.text(2)
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if command:
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name = item.text(1)
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dock = self.create(item.applet_uid, name, command)
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spec = self.get_spec(item)
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dock = self.create(item.applet_uid, name, spec)
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item.applet_dock = dock
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if item.applet_geometry is not None:
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dock.restoreGeometry(item.applet_geometry)
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@ -391,7 +433,8 @@ class AppletsDock(QtWidgets.QDockWidget):
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if column == 1:
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dock.rename(new_value)
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else:
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dock.command = new_value
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self.set_spec(
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item, {"ty": "command", "command": new_value})
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elif item.ty == "group":
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# To Qt's credit, it already does everything for us here.
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pass
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@ -422,15 +465,17 @@ class AppletsDock(QtWidgets.QDockWidget):
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name = "untitled " + str(i)
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return name
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def new(self, uid=None, name=None, command="", parent=None):
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def new(self, uid=None, name=None, spec=None, parent=None):
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if uid is None:
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uid = next(i for i in count() if i not in self.applet_uids)
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if spec is None:
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spec = {"ty": "command", "command": ""}
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assert uid not in self.applet_uids, uid
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self.applet_uids.add(uid)
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if name is None:
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name = self.get_untitled()
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item = QtWidgets.QTreeWidgetItem(["", name, command])
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item = QtWidgets.QTreeWidgetItem(["", name, ""])
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item.ty = "applet"
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item.setFlags(QtCore.Qt.ItemIsSelectable |
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QtCore.Qt.ItemIsUserCheckable |
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@ -444,6 +489,7 @@ class AppletsDock(QtWidgets.QDockWidget):
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item.applet_geometry = None
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item.setIcon(0, QtWidgets.QApplication.style().standardIcon(
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QtWidgets.QStyle.SP_ComputerIcon))
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self.set_spec(item, spec)
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if parent is None:
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self.table.addTopLevelItem(item)
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else:
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@ -543,11 +589,11 @@ class AppletsDock(QtWidgets.QDockWidget):
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uid = cwi.applet_uid
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enabled = cwi.checkState(0) == QtCore.Qt.Checked
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name = cwi.text(1)
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command = cwi.text(2)
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spec = self.get_spec(cwi)
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geometry = cwi.applet_geometry
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if geometry is not None:
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geometry = bytes(geometry)
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state.append(("applet", uid, enabled, name, command, geometry))
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state.append(("applet", uid, enabled, name, spec, geometry))
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elif cwi.ty == "group":
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name = cwi.text(1)
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expanded = cwi.isExpanded()
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@ -563,8 +609,11 @@ class AppletsDock(QtWidgets.QDockWidget):
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def restore_state_item(self, state, parent):
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for wis in state:
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if wis[0] == "applet":
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_, uid, enabled, name, command, geometry = wis
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item = self.new(uid, name, command, parent=parent)
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_, uid, enabled, name, spec, geometry = wis
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if spec["ty"] not in {"command", "code"}:
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raise ValueError("Invalid applet spec type: "
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+ str(spec["ty"]))
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item = self.new(uid, name, spec, parent=parent)
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if geometry is not None:
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geometry = QtCore.QByteArray(geometry)
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item.applet_geometry = geometry
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