313 lines
9.3 KiB
Python
313 lines
9.3 KiB
Python
#!/usr/bin/python
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#---------------------------------------------------------------------------
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""" Import externals """
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import wx
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import wx.lib.newevent
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import os
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import sys
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import re
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import threading
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import StringIO
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#---------------------------------------------------------------------------
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""" Import scyther components """
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import XMLReader
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""" Import scyther-gui components """
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import Tempfile
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import Claim
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import Preference
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import Scyther
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import Attackwindow
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#---------------------------------------------------------------------------
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#---------------------------------------------------------------------------
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class ScytherThread(threading.Thread):
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# Override Thread's __init__ method to accept the parameters needed:
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def __init__ ( self, mainwin, spdl, details, verifywin ):
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self.mainwin = mainwin
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self.verifywin = verifywin
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self.spdl = spdl
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self.details = details
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self.claims = []
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threading.Thread.__init__ ( self )
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def run(self):
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self.claimResults()
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# Results are done (claimstatus can be reported)
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# Shoot down the verification window and let the RunScyther function handle the rest
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self.mainwin.verified = True
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self.verifywin.Destroy()
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def claimResults(self):
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""" Convert spdl to result (using Scyther)
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The list of claim goes back to self.mainwin.claims, which is a
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property of the main window
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"""
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scyther = Scyther.Scyther()
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scyther.options = self.mainwin.settings.ScytherArguments()
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if sys.platform.startswith('win'):
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""" Windows """
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scyther.program = "c:\\Scyther.exe"
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if not os.path.isfile(scyther.program):
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print "I can't find the Scyther executable %s" % (scyther.program)
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scyther.setInput(self.spdl)
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self.mainwin.claims = scyther.verify()
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self.summary = str(scyther)
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class AttackThread(threading.Thread):
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# Override Thread's __init__ method to accept the parameters needed:
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def __init__ ( self, mainwin, resultwin ):
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self.mainwin = mainwin
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self.resultwin = resultwin
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threading.Thread.__init__ ( self )
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def run(self):
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# create the images in the background
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self.makeImages()
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def makeImages(self):
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""" create images """
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for cl in self.mainwin.claims:
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for attack in cl.attacks:
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self.makeImage(attack)
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if cl.button and len(cl.attacks) > 0:
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cl.button.Enable()
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def makeImage(self,attack):
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""" create image for this particular attack """
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(fd2,fpname2) = Tempfile.tempcleaned(".png")
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pw,pr = os.popen2("dot -Tpng -o%s" % (fpname2))
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pw.write(attack.scytherDot)
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pw.close()
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pr.close()
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attack.pngfile = fpname2 # this is where the file name is stored
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#---------------------------------------------------------------------------
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class VerificationWindow(wx.Dialog):
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def __init__(
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self, parent, ID, title, pos=wx.DefaultPosition, size=wx.DefaultSize,
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style=wx.DEFAULT_DIALOG_STYLE
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):
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wx.Dialog.__init__(self,parent,ID,title,pos,size,style)
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sizer = wx.BoxSizer(wx.VERTICAL)
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label = wx.StaticText(self, -1, "Verifying protocol description")
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sizer.Add(label, 0, wx.ALIGN_CENTRE|wx.ALL, 5)
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line = wx.StaticLine(self, -1, size=(20,-1), style=wx.LI_HORIZONTAL)
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sizer.Add(line, 0, wx.GROW|wx.ALIGN_CENTER_VERTICAL|wx.RIGHT|wx.TOP, 5)
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btnsizer = wx.StdDialogButtonSizer()
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btn = wx.Button(self, wx.ID_CANCEL)
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btnsizer.AddButton(btn)
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btnsizer.Realize()
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sizer.Add(btnsizer, 0, wx.ALIGN_CENTER_VERTICAL|wx.ALL, 5)
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self.SetSizer(sizer)
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sizer.Fit(self)
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#---------------------------------------------------------------------------
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class ResultWindow(wx.Frame):
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def __init__(
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self, mainwindow, ID, title, pos=wx.DefaultPosition, size=wx.DefaultSize,
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style=wx.DEFAULT_FRAME_STYLE
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):
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self.mainwindow = mainwindow
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wx.Frame.__init__(self,mainwindow,ID,title,pos,size,style)
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self.thread = None
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self.Bind(wx.EVT_CLOSE, self.onCloseWindow)
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# Now continue with the normal construction of the dialog
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# contents
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sizer = wx.BoxSizer(wx.VERTICAL)
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# set up grid
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claims = mainwindow.claims
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self.grid = grid = wx.GridBagSizer(7,1+len(claims))
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def titlebar(x,title,width=1):
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txt = wx.StaticText(self,-1,title)
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font = wx.Font(14,wx.NORMAL,wx.NORMAL,wx.NORMAL)
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txt.SetFont(font)
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grid.Add(txt,(0,x),(1,width))
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titlebar(0,"Claim",5)
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if len(claims) > 0:
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sn = claims[0].stateName(2)
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resulttxt = sn[0].upper() + sn[1:]
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else:
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resultxt = "Results"
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titlebar(5,resulttxt,2)
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lastprot = None
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lastrole = None
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for index in range(0,len(claims)):
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cl = claims[len(claims)-index-1]
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# we reverse the display order of the claims!
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y = index+1
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# a support function
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def addtxt(txt,column):
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grid.Add(wx.StaticText(self,-1,txt),(y,column),(1,1),wx.ALIGN_CENTER_VERTICAL)
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# button for ok/fail
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tsize = (16,16)
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if cl.okay:
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bmp = wx.ArtProvider_GetBitmap(wx.ART_TICK_MARK,wx.ART_CMN_DIALOG,tsize)
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else:
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bmp = wx.ArtProvider_GetBitmap(wx.ART_CROSS_MARK,wx.ART_CMN_DIALOG,tsize)
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if not bmp.Ok():
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bmp = wx.EmptyBitmap(tsize)
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bmpfield = wx.StaticBitmap(self,-1,bmp)
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grid.Add(bmpfield,(y,0),(1,1),wx.ALIGN_CENTER_VERTICAL)
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# protocol, role, label
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prot = str(cl.protocol)
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if prot != lastprot:
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addtxt(prot,1)
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lastprot = prot
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role = str(cl.role)
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if role != lastrole:
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addtxt(role,2)
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lastrole = role
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addtxt(str(cl.shortlabel),3)
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claimdetails = str(cl.claimtype)
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if cl.parameter:
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claimdetails += " %s " % (cl.parameter)
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addtxt(claimdetails,4)
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# add view button (if needed)
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n = len(cl.attacks)
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cl.button = wx.Button(self,-1,"%i %s" % (n,cl.stateName(n)))
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grid.Add(cl.button,(y,5),(1,1),wx.ALIGN_CENTER_VERTICAL)
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cl.button.Disable()
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if n > 0:
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# Aha, something to show
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self.Bind(wx.EVT_BUTTON, self.onViewButton,cl.button)
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# remark something about completeness
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remark = ""
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if not cl.complete:
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if n == 0:
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# no attacks, no states within bounds
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remark = "within bounds"
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else:
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# some attacks/states within bounds
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remark = "at least, maybe more"
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else:
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if n == 0:
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# no attacks, no states
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remark = "none"
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else:
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# there exist n states/attacks (within any number of runs)
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remark = "exactly"
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addtxt(" (%s)" % remark,6)
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sizer.Add(grid, 0,wx.ALIGN_CENTRE|wx.ALL,5)
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# # separator
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# line = wx.StaticLine(self, -1, size=(20,-1), style=wx.LI_HORIZONTAL)
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# sizer.Add(line, 0, wx.GROW|wx.ALIGN_CENTER_VERTICAL|wx.RIGHT|wx.TOP, 5)
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# btn = wx.Button(self, -1,"Close window")
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# self.Bind(wx.EVT_BUTTON,self.onCloseButton,btn)
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# sizer.Add(btn, 0, wx.ALIGN_CENTER_VERTICAL|wx.ALL|wx.ALIGN_RIGHT, 5)
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self.SetSizer(sizer)
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sizer.Fit(self)
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def onViewButton(self,evt):
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btn = evt.GetEventObject()
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(y,x) = self.grid.GetItemPosition(btn)
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n = len(self.mainwindow.claims)
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cln = n-y
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cl = self.mainwindow.claims[cln]
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w = Attackwindow.AttackWindow(cl)
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def onCloseWindow(self,evt):
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# TODO we should kill self.thread
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self.Destroy()
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#---------------------------------------------------------------------------
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def RunScyther(mainwin,mode):
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# Verification window
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verifywin = VerificationWindow(mainwin,-1,mode)
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verifywin.CenterOnScreen()
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verifywin.Show(True)
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# start the thread
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verifywin.SetCursor(wx.StockCursor(wx.CURSOR_WAIT))
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mainwin.verified = False
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mainwin.settings.mode = mode
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t = ScytherThread(mainwin,mainwin.control.GetValue(),"",verifywin)
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t.start()
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# start the window and show until something happens
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# if it terminates, this is a cancel, and should also kill the thread. (what happens to a spawned Scyther in that case?)
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# if the thread terminames, it should close the window normally, and we end up here as well.
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val = verifywin.ShowModal()
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# Cursor back to normal
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verifywin.SetCursor(wx.StockCursor(wx.CURSOR_ARROW))
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if mainwin.verified:
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# Great, we verified stuff, progress to the claim report
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title = "Scyther results : %s" % mode
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resultwin = ResultWindow(mainwin,-1,title)
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resultwin.Show(1)
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t = AttackThread(mainwin,resultwin)
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t.start()
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resultwin.thread = t
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resultwin.CenterOnScreen()
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resultwin.Show(True)
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