targets/__init__.py
author Edouard Tisserant
Tue, 18 Jun 2019 14:09:23 +0200
changeset 2618 4eca95f91cba
parent 2490 2d72d8a8d7e5
child 3750 f62625418bff
permissions -rw-r--r--
Merged workaround for loading bug happening after automatic resize of function blocks. It appears that some code in GraphicCommons.py loop endlessly when wires coordinate do not align with x or y axis. Those erroneous coordinate are now filtered out when loaded in the view.
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#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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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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#
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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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# Package initialisation
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"""
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Beremiz Targets
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- Target are python packages, containing at least one "XSD" file
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- Target class may inherit from a toolchain_(toolchainname)
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- The target folder's name must match to name define in the XSD for TargetType
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"""
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from __future__ import absolute_import
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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 _GetLocalTargetClassFactory(name):
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    return lambda: getattr(__import__(name, globals(), locals()), name+"_target")
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targets = dict([(name, {"xsd":   path.join(_base_path, name, "XSD"),
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                        "class": _GetLocalTargetClassFactory(name),
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                        "code":  {fname: path.join(_base_path, name, fname)
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                                  for fname in listdir(path.join(_base_path, name))
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                                  if (fname.startswith("plc_%s_main" % name) and
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                                      fname.endswith(".c"))}})
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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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toolchains = {"gcc":  path.join(_base_path, "XSD_toolchain_gcc"),
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              "makefile":  path.join(_base_path, "XSD_toolchain_makefile")}
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def GetBuilder(targetname):
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    return targets[targetname]["class"]()
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def GetTargetChoices():
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    DictXSD_toolchain = {}
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    targetchoices = ""
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    # Get all xsd toolchains
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    for toolchainname, xsdfilename in toolchains.iteritems():
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        if path.isfile(xsdfilename):
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            DictXSD_toolchain["toolchain_"+toolchainname] = open(xsdfilename).read()
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    # Get all xsd targets
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    for target_name, nfo in targets.iteritems():
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        xsd_string = open(nfo["xsd"]).read()
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        targetchoices += xsd_string % dict(DictXSD_toolchain,
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                                           target_name=target_name)
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    return targetchoices
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def GetTargetCode(targetname):
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    codedesc = targets[targetname]["code"]
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    code = "\n".join([open(fpath).read() for _fname, fpath in sorted(codedesc.items())])
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    return code
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def GetHeader():
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    filename = paths.AbsNeighbourFile(__file__, "beremiz.h")
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    return open(filename).read()
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def GetCode(name):
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    filename = paths.AbsNeighbourFile(__file__, name)
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    return open(filename).read()