author | Andrey Skvortsov <andrej.skvortzov@gmail.com> |
Mon, 16 Oct 2017 17:20:31 +0300 | |
changeset 1872 | 866fb3ab8778 |
parent 1785 | 0ff2a45dcefa |
child 1881 | 091005ec69c4 |
permissions | -rwxr-xr-x |
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#!/usr/bin/env python |
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# -*- coding: utf-8 -*- |
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|
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# This file is part of Beremiz, a Integrated Development Environment for |
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# programming IEC 61131-3 automates supporting plcopen standard and CanFestival. |
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# |
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# Copyright (C) 2007: Edouard TISSERANT and Laurent BESSARD |
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# Copyright (C) 2017: Andrey Skvortsov |
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# |
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# See COPYING file for copyrights details. |
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# |
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# This program is free software; you can redistribute it and/or |
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# modify it under the terms of the GNU General Public License |
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# as published by the Free Software Foundation; either version 2 |
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# of the License, or (at your option) any later version. |
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16 |
# |
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# This program is distributed in the hope that it will be useful, |
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# but WITHOUT ANY WARRANTY; without even the implied warranty of |
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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# GNU General Public License for more details. |
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# |
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# You should have received a copy of the GNU General Public License |
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# along with this program; if not, write to the Free Software |
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
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parents:
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# Package initialisation |
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from os import listdir, path |
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import util.paths as paths |
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_base_path = paths.AbsDir(__file__) |
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def _GetLocalConnectorClassFactory(name): |
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return lambda: getattr(__import__(name, globals(), locals()), name + "_connector_factory") |
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parents:
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connectors = {name: |
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_GetLocalConnectorClassFactory(name) |
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for name in listdir(_base_path) |
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if (path.isdir(path.join(_base_path, name)) and |
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not name.startswith("__"))} |
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def ConnectorFactory(uri, confnodesroot): |
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""" |
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Return a connector corresponding to the URI |
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or None if cannot connect to URI |
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""" |
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servicetype = uri.split("://")[0].upper() |
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if servicetype == "LOCAL": |
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# Local is special case |
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# pyro connection to local runtime |
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# started on demand, listening on random port |
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servicetype = "PYRO" |
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runtime_port = confnodesroot.AppFrame.StartLocalRuntime( |
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taskbaricon=True) |
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uri = "PYROLOC://127.0.0.1:" + str(runtime_port) |
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elif servicetype in connectors: |
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pass |
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elif servicetype[-1] == 'S' and servicetype[:-1] in connectors: |
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servicetype = servicetype[:-1] |
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else: |
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return None |
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# import module according to uri type |
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connectorclass = connectors[servicetype]() |
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return connectorclass(uri, confnodesroot) |