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Mark Mine
parent
d61c0daba6
commit
dc734fe611
@ -8,15 +8,16 @@ class State(DirectObject):
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"""State class: """
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def __init__(self, name, enterFunc=None, exitFunc=None, transitions=[]):
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"""__init__(self, string, func, func, string[])
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def __init__(self, name, enterFunc=None, exitFunc=None, transitions=[],
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inspectorPos = []):
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"""__init__(self, string, func, func, string[], inspectorPos = [])
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State constructor: takes name, enter func, exit func, and
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a list of states it can transition to."""
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self.setName(name)
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self.setEnterFunc(enterFunc)
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self.setExitFunc(exitFunc)
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self.setTransitions(transitions)
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self.setDefaultPosition([])
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self.setInspectorPos(inspectorPos)
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self.__FSMList = None
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@ -54,13 +55,13 @@ class State(DirectObject):
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"""setTransitions(self, string[])"""
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self.__transitions = stateTransitions
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def getDefaultPosition(self):
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"""getDefaultPosition(self)"""
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return(self.__defaultPosition)
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def getInspectorPos(self):
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"""getInspectorPos(self)"""
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return(self.__inspectorPos)
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def setDefaultPosition(self, defaultPosition):
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"""setDefaultPosition(self, x, y)"""
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self.__defaultPosition = defaultPosition
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def setInspectorPos(self, inspectorPos):
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"""setInspectorPos(self, [x, y])"""
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self.__inspectorPos = inspectorPos
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# support for HFSMs
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@ -8,25 +8,24 @@ import operator
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DELTA = (5.0 / 360.) * 2.0 * math.pi
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class FSMInspector(Pmw.MegaToplevel, PandaObject):
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def __init__(self, parent = None, **kw):
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def __init__(self, fsm, **kw):
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# Initialize instance variables
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self.states = []
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self.stateInspectorDict = {}
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self.fsm = fsm
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self.name = fsm.getName()
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#define the megawidget options
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INITOPT = Pmw.INITOPT
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optiondefs = (
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('title', 'FSM Viewer', None),
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('FSM', (), None),
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('gridSize', '0.25i', self._setGridSize),
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)
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self.defineoptions(kw, optiondefs)
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# Initialize the toplevel widget
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Pmw.MegaToplevel.__init__(self, parent)
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self.fsm = self['FSM']
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Pmw.MegaToplevel.__init__(self)
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# Create the components
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oldInterior = Pmw.MegaToplevel.interior(self)
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@ -100,17 +99,6 @@ class FSMInspector(Pmw.MegaToplevel, PandaObject):
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self._scrolledCanvas.resizescrollregion()
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self._scrolledCanvas.pack(padx = 5, pady = 5, expand=1, fill = BOTH)
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"""
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# The Buttons
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buttonBox = Frame(oldInterior)
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#Button(buttonBox, text = 'Inspect Target').pack(side=LEFT,expand=1,fill=X)
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Button(buttonBox, text = 'Print Layout',
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command = self.printLayout).pack(side=LEFT,expand=1,fill=X)
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Button(buttonBox, text = 'Quit',
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command = self._exit).pack(side=LEFT,expand=1,fill=X)
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buttonBox.pack(fill=X)
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"""
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# Update lines
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self._canvas.bind('<B1-Motion>', self.drawConnections)
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self._canvas.bind('<ButtonPress-2>', self.mouse2Down)
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@ -213,18 +201,18 @@ class FSMInspector(Pmw.MegaToplevel, PandaObject):
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count = 0
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for state in self.states:
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si = self.addState(state)
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if state.getDefaultPosition():
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si.setPos(state.getDefaultPosition()[0],
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state.getDefaultPosition()[1])
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if state.getInspectorPos():
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si.setPos(state.getInspectorPos()[0],
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state.getInspectorPos()[1])
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else:
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row = int(math.floor(count / dim))
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col = count % dim
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si.setPos(col * spacing, row * spacing +
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0.5 * (0, spacing)[col % 2])
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# Add hooks
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self.accept(fsm.getName() + '_' + si.getName() + '_entered',
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self.accept(self.name + '_' + si.getName() + '_entered',
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si.enteredState)
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self.accept(fsm.getName() + '_' + si.getName() + '_exited',
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self.accept(self.name + '_' + si.getName() + '_exited',
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si.exitedState)
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count = count + 1
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self.drawConnections()
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@ -273,18 +261,25 @@ class FSMInspector(Pmw.MegaToplevel, PandaObject):
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dict = self.stateInspectorDict
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keys = dict.keys()
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keys.sort
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print '{ '
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print "FSM.FSM('%s', [" % self.name
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for key in keys[:-1]:
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si = dict[key]
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center = si.center()
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print "'%s' : (%.3f, %.3f)," % \
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(si.state.getName(), center[0], center[1])
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print " State.State('%s'," % si.state.getName()
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print " %s," % si.state.getEnterFunc().__name__
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print " %s," % si.state.getExitFunc().__name__
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print " %s," % si.state.getTransitions()
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print " inspectorPos = [%.1f, %.1f])," % (center[0], center[1])
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for key in keys[-1:]:
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si = dict[key]
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center = si.center()
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print "'%s' : (%.3f, %.3f)," % \
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(si.state.getName(), center[0], center[1])
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print '}'
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print " State.State('%s'," % si.state.getName()
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print " %s," % si.state.getEnterFunc().__name__
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print " %s," % si.state.getExitFunc().__name__
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print " %s," % si.state.getTransitions()
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print " inspectorPos = [%.1f, %.1f])]," % (center[0], center[1])
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print " '%s'," % self.fsm.getInitialState().getName()
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print " '%s')" % self.fsm.getFinalState().getName()
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def toggleBalloon(self):
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if self.toggleBalloonVar.get():
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@ -298,7 +293,8 @@ class FSMInspector(Pmw.MegaToplevel, PandaObject):
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class StateInspector(Pmw.MegaArchetype):
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def __init__(self, inspector, state, **kw):
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# Record state
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# Record inspector and state
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self.inspector = inspector
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self.state = state
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# Create a unique tag which you can use to move a marker and
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# and its corresponding text around together
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@ -446,62 +442,69 @@ class StateInspector(Pmw.MegaArchetype):
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def exitedState(self):
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self._canvas.itemconfigure(self.marker, fill = 'CornflowerBlue')
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class dummyState:
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def __init__(self, name = None, transitionArray = None, fsmArray = 0):
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self.name = name
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self.transitionArray = transitionArray
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self.fsmArray = fsmArray
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self.defaultPosition = None
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def hasChildFSMs(self):
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return fsmArray
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class dummyFSM:
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def __init__(self, stateCollection = (), layout = {}):
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self.stateCollection = stateCollection
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if layout:
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for state in self.stateCollection:
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pos = layout.get(state.getName(), None)
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if pos:
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state.defaultPosition= pos
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def __getitem__(self, item):
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return self.stateCollection[item]
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def __len__(self):
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return len(self.stateCollection)
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if __name__ == '__main__':
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s0 = dummyState('state-0', ('state-1',))
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s1 = dummyState('state-1', ('state-2', 'state-3'))
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s2 = dummyState('state-2', ('state-0', 'state-4', 'state-5'), fsmArray = 1)
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s3 = dummyState('state-3', ('state-6',))
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s4 = dummyState('state-4', ('state-2','state-0'))
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s5 = dummyState('state-5', ('state-0',), fsmArray = 1)
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s6 = dummyState('state-6', ('state-3', 'state-0'))
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fsm = dummyFSM((s0, s1, s2, s3, s4, s5, s6),
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layout = {'state-0' : (167.83, 0.0),
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'state-1' : (95.91, 143.86),
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'state-2' : (167.83, 287.72),
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'state-3' : (23.98, 263.74),
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'state-4' : (335.67, 143.86),
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'state-5' : (239.76, 143.86),
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'state-6' : (23.98, 71.93)})
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fsmi = FSMInspector(title = 'My Little Viewer', FSM = fsm)
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mainloop()
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"""
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# Set want-tk #t in Configrc
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# USING FINITE STATE INSPECTOR
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# First, in your Configrc set:
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# want-tk #t
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#
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# Warning: When you start emacs with tk emacs/python can sometimes hang
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# Your best bet is to:
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# 1) start the show
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# 2) try interacting with python (enter some number for example)
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# 3) when python hangs this many Control-C's in rapid succession until you break
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# back to the prompt
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# 4) If that works, you are probably ok, if not, use the signal pull down menu to
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# kill the python process and start again
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# The following lines are just an example of how to create a finite state machine
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import FSM
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import State
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def enterState():
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print 'enterState'
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def exitState():
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print 'exitState'
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fsm = FSM.FSM('stopLight',
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[ State.State('red', enterState, exitState, ['green']),
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State.State('yellow', enterState, exitState, ['red']),
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State.State('green', enterState, exitState, ['yellow']) ],
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'red',
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'red')
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# Note, the inspectorPos argument is optional, the inspector will
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# automagically position states on startup
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fsm = FSM.FSM('stopLight', [
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State.State('yellow',
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enterState,
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exitState,
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['red'],
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inspectorPos = [95.9, 48.0]),
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State.State('red',
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enterState,
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exitState,
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['green'],
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inspectorPos = [0.0, 0.0]),
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State.State('green',
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enterState,
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exitState,
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['yellow'],
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inspectorPos = [0.0, 95.9])],
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'red',
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'red')
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# This is how you pop up an inspector
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import FSMInspector
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inspector = FSMInspector.FSMInspector(FSM = fsm, title = fsm.getName())
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inspector = FSMInspector.FSMInspector(fsm, title = fsm.getName())
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"""
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fsm = FSM.FSM('stopLight', [
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State.State('yellow',
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enterState,
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exitState,
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['red']),
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State.State('red',
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enterState,
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exitState,
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['green']),
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State.State('green',
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enterState,
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exitState,
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['yellow'])],
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'red',
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'red')
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