def tray_on_enso_exec_at_startup(systray, get_state=False):
startup_dir = shell.SHGetFolderPath(0, shellcon.CSIDL_STARTUP, 0, 0)
assert os.path.isdir(startup_dir)
link_file = os.path.join(startup_dir, "Enso.lnk")
if get_state:
return os.path.isfile(link_file)
else:
if not os.path.isfile(link_file):
try:
pythoncom.CoInitialize()
except:
# already initialized.
pass
shortcut = pythoncom.CoCreateInstance(
shell.CLSID_ShellLink, None, pythoncom.CLSCTX_INPROC_SERVER,
shell.IID_IShellLink)
shortcut.SetPath(enso.enso_executable)
enso_root_dir = os.path.dirname(enso.enso_executable)
shortcut.SetWorkingDirectory(enso_root_dir)
shortcut.SetIconLocation(os.path.join(enso_root_dir, "Enso.ico"),
0)
shortcut.QueryInterface(pythoncom.IID_IPersistFile).Save(
link_file, 0)
try:
pythoncom.CoUnInitialize()
except:
pass
displayMessage(
u"<p><command>Enso</command> will be automatically executed at system startup</p><caption>enso</caption>"
)
else:
os.remove(link_file)
displayMessage(
u"<p><command>Enso</command> will not start at system startup</p><caption>enso</caption>"
)
# OFTEN, CALL IMMEDIATELY AFTER Connect() FAILS, WAIT A MOMENT
# TO AVOID ISSUE.
time.sleep(0.01)
self.opc_server = opc_server
if opc_host == 'localhost':
opc_host = socket.gethostname()
self.opc_host = opc_host
# ON RECONNECT, REMOVE OLD GROUP NAMES THAT ARE NOW INVALID
self._groups = {}
self._group_tags = {}
self._group_valid_tags = {}
self._group_server_handles = {}
self._group_handles_tag = {}
self._group_hooks = {}
try:
pythoncom.CoUnInitialize()
except:
pass
#
def close(self, del_object=True):
# GRACEFUL DISCONNECT FROM CURRENTLY CONNECTED OPC SERVER
try:
pythoncom.CoInitialize()
self.remove(self.groups())
except pythoncom.com_error, err:
error_msg = 'Disconnect: %s' % self._get_error_str(err)
raise OPCError, error_msg
except OPCError:
pass
finally: