beremiz

fix problem when Beremiz is running without matiec installed

2017-08-25, Andrey Skvortsov
492e2cd6157e
fix problem when Beremiz is running without matiec installed

set matiec settings only once on first use of ProjectController class and give
user-friendly message on compilation about missing matiec
installation.


Traceback (most recent call last):
File "Beremiz.py", line 197, in
beremiz.Start()
File "Beremiz.py", line 192, in Start
self.CreateApplication()
File "Beremiz.py", line 130, in CreateApplication
self.BackgroundInitialization()
File "Beremiz.py", line 137, in BackgroundInitialization
self.ImportModules()
File "Beremiz.py", line 176, in ImportModules
import BeremizIDE
File
"BeremizIDE.py", line 76, in
from ProjectController import ProjectController, GetAddMenuItems,
MATIEC_ERROR_MODEL, ITEM_CONFNODE
File
"ProjectController.py", line 177, in
iec2c_cfg = Iec2CSettings()
File
"ProjectController.py", line 101, in __init__
self.ieclib_c_path = self.findLibCPath()
File
"ProjectController.py", line 135, in findLibCPath
os.path.join(self.ieclib_path, "C"),
File "/usr/lib/python2.7/posixpath.py", line 70, in join
elif path == '' or path.endswith('/'):
AttributeError: 'NoneType' object has no attribute 'endswith'
# -*- coding: utf-8 -*-
# This file is part of Beremiz, a Integrated Development Environment for
# programming IEC 61131-3 automates supporting plcopen standard and CanFestival.
#
# Copyright (C) 2007: Edouard TISSERANT and Laurent BESSARD
#
# See COPYING file for copyrights details.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
import re
from types import TupleType
import wx
from controls import CustomEditableListBox
# -------------------------------------------------------------------------------
# Helpers
# -------------------------------------------------------------------------------
DIMENSION_MODEL = re.compile("([0-9]+)\.\.([0-9]+)$")
# -------------------------------------------------------------------------------
# Array Type Dialog
# -------------------------------------------------------------------------------
class ArrayTypeDialog(wx.Dialog):
def __init__(self, parent, datatypes, infos):
wx.Dialog.__init__(self, parent, title=_('Edit array type properties'))
main_sizer = wx.FlexGridSizer(cols=1, hgap=0, rows=3, vgap=10)
main_sizer.AddGrowableCol(0)
main_sizer.AddGrowableRow(1)
top_sizer = wx.BoxSizer(wx.HORIZONTAL)
main_sizer.AddSizer(top_sizer, border=20,
flag=wx.GROW | wx.TOP | wx.LEFT | wx.RIGHT)
basetype_label = wx.StaticText(self, label=_('Base Type:'))
top_sizer.AddWindow(basetype_label, 1, flag=wx.ALIGN_BOTTOM)
self.BaseType = wx.ComboBox(self, style=wx.CB_READONLY)
top_sizer.AddWindow(self.BaseType, 1, flag=wx.GROW)
self.Dimensions = CustomEditableListBox(self, label=_("Dimensions:"),
style=(wx.gizmos.EL_ALLOW_NEW |
wx.gizmos.EL_ALLOW_EDIT |
wx.gizmos.EL_ALLOW_DELETE))
for func in ["_OnLabelEndEdit",
"_OnAddButton",
"_OnDelButton",
"_OnUpButton",
"_OnDownButton"]:
setattr(self.Dimensions, func, self.OnDimensionsChanged)
main_sizer.AddSizer(self.Dimensions, border=20,
flag=wx.GROW | wx.LEFT | wx.RIGHT)
button_sizer = self.CreateButtonSizer(wx.OK | wx.CANCEL | wx.CENTRE)
self.Bind(wx.EVT_BUTTON, self.OnOK, button_sizer.GetAffirmativeButton())
main_sizer.AddSizer(button_sizer, border=20,
flag=wx.ALIGN_RIGHT | wx.BOTTOM | wx.LEFT | wx.RIGHT)
self.SetSizer(main_sizer)
for datatype in datatypes:
self.BaseType.Append(datatype)
if isinstance(infos, TupleType) and infos[0] == "array":
self.BaseType.SetStringSelection(infos[1])
self.Dimensions.SetStrings(map(lambda x: "..".join(x), infos[2]))
elif infos in datatypes:
self.BaseType.SetStringSelection(infos)
self.BaseType.SetFocus()
self.Fit()
def GetDimensions(self):
message = None
dimensions_list = []
dimension_strings = self.Dimensions.GetStrings()
if len(dimension_strings) == 0:
message = _("Empty dimension isn't allowed.")
for dimensions in dimension_strings:
result = DIMENSION_MODEL.match(dimensions)
if result is None:
message = _("\"%s\" value isn't a valid array dimension!") % dimensions
break
bounds = result.groups()
if int(bounds[0]) >= int(bounds[1]):
message = _("\"%s\" value isn't a valid array dimension!\nRight value must be greater than left value.") % dimensions
break
dimensions_list.append(bounds)
if message is not None:
dlg = wx.MessageDialog(self, message, _("Error"), wx.OK | wx.ICON_ERROR)
dlg.ShowModal()
dlg.Destroy()
return None
return dimensions_list
def OnDimensionsChanged(self, event):
wx.CallAfter(self.GetDimensions)
event.Skip()
def OnOK(self, event):
if self.GetDimensions() is not None:
self.EndModal(wx.ID_OK)
def GetValue(self):
return "array", self.BaseType.GetStringSelection(), self.GetDimensions()