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How to use set_actionnames method in fMBT

Best Python code snippet using fMBT_python
lsts.py
Source:lsts.py
...34***35Example I: write a three-state LSTS to file out.lsts:36import lsts37w = lsts.writer( file("out.lsts","w") )38w.set_actionnames( ["tau","action1","action2"] )39w.set_transitions( [ [(1,0),(0,0)], [(0,2),(2,1)], [] ] )40w.write()41***42Example II: read lsts from stdin, rename the first non-tau action and43write the lsts to stdout.44import sys45import lsts46r = lsts.reader(sys.stdin)47r.get_actionnames()[1]="new name"48lsts.writer(sys.stdout,r)49***50Example III: list action names used in the transitions51import lsts52r = lsts.reader(sys.stdin)53used_actions=[]54for source_state, transition_list in enumerate(r.get_transitions()):55    for dest_state, action_number in transition_list:56        if not action_number in used_actions:57            used_actions.append( action_number )58            print r.get_actionnames()[ action_number ]59***60Helper classes and functions61class fakefile can be used to create a file-like object from a62string. The object can be used for reading and writing LSTSs. For63example, if string s contains an LSTS64r=lsts.reader(fakefile(s))65r.read()66reads the LSTS in s.67props_by_states(lsts_object) returns table indexed with state68numbers. The table includes lists of state proposition numbers. For69example,70props_by_states(r)[42]71returns list of numbers of propositions true in state 42. To convert72the number of a state proposition to a name, index alphabetically73ordered list of state proposition keys with it:74stateproplist=r.get_stateprops().keys()75stateproplist.sort()76name_of_prop=stateproplist[num_of_a_stateprop]77"""78version="0.522 svn"79# 0.490 -> 0.522 support for dos lines (carriage returns are removed)80# 0.110 -> 0.490 support for multirow action names81# 0.55 -> 0.110 lsts file objects can be read and written already in82#               the constructor.83# 0.53 -> 0.55 stateprops numbered in the order of occurence in the lsts file84#              (alphabetical order). Documentation changed accordingly.85# 0.52 -> 0.53 bugfix: state props numbered off-by-one86# 0.52 -> 0.53 bugfix: reading multi-line transitions and state props87# 0.52 -> 0.53 props_by_states-helper function88# 0.52 -> 0.53 psyco is used if possible89# 0.50 -> 0.52 added support for state prop ranges "x..y"90from sys import stderr91class fakefile:92    """93    fakefile(string) is a file-like object that contains the94    string. It implements readline and write methods and nothing else.95    This class can be used as input and output file of the reader and96    the writer classes. The contents of the file are in attribute s.97    """98    def __init__(self,lstscontents):99        self.s=lstscontents100    def readline(self):101        l=self.s[:self.s.find("\n")+1]102        self.s=self.s[self.s.find("\n")+1:]103        return l104    def write(self,s):105        self.s+=s106def props_by_states(lsts_object):107    """props_by_states(lsts_object) -> state_table108    If propositions x and y (and no other propositions) are true in109    state s, then state_table[s]==[x,y]. s, x and y are natural110    numbers. To obtain the name of the proposition x, use111    stateproplist=r.get_stateprops().keys()112    stateproplist.sort()113    name_of_prop=stateproplist[num_of_a_stateprop]114    """115    statetbl=[ [] for x in xrange(lsts_object.get_header().state_cnt)]116    propdict=lsts_object.get_stateprops()117    propkeys = propdict.keys()118    propkeys.sort()119    for propindex,prop in enumerate(propkeys):120        for state in propdict[prop]:121            statetbl[state].append(propindex)122    return statetbl123class _header:124    pass125class lsts:126    def __init__(self):127        self._history=[]128        self._header=_header()129        self._header.state_cnt=0130        self._header.action_cnt=0131        self._header.transition_cnt=0132        self._header.initial_states=0133        self._actionnames=[]134        self._transitions=[]135        self._stateprops={} # state prop name -> list of states136        self._layout=[]137    def set_actionnames(self,actionnames):138        """139        Parameters:140        - actionnames is a list of strings141        Notes:142        This method modifies Action_cnt field in the header.143        """144        if len(actionnames) > 0 and actionnames[0]=="tau":145            self._actionnames=actionnames146        else:147            stderr.write('LSTS.PY: warning: set_actionnames did not receive "tau".\n')148            self._actionnames=["tau"]+actionnames149        self._header.action_cnt=len(self._actionnames)-1150    def set_transitions(self,transitions):151        """152        Parameters:153        - transitions should be a list of list of pairs, where154        transitions[i] is a list of pairs (dest_state, action_index)155        that describe leaving transitions from state i. If there are156        no transitions from state i, then transitions[i] is empty157        list.158        dest_state and action_index are indexes to transitions and159        actionnames lists. That is, they may have values from 0 to160        len(list)-1.161        Notes:162        This method modifies State_cnt and Transition_cnt fields in163        the header.164        """165        self._transitions=transitions166        self._header.state_cnt=len(transitions)167        self._header.transition_cnt=0168        for s in transitions:169            self._header.transition_cnt+=len(s)170    def set_stateprops(self,stateprops):171        """172        Parameters:173        - stateprops should be a dictionary whose keys are state174          proposition names and values are lists of state numbers.175        Notes:176        This method modifies State_prop_cnt field in the header.177        """178        self._stateprops=stateprops179        self._header.state_prop_cnt=len(self._stateprops)180    def set_layout(self,layout):181        """182        Parameters:183        - layout should be a list of pairs (xcoord, ycoord), indexed184          with state numbers.185        """186        self._layout=layout187    def get_actionnames(self):188        return self._actionnames189    def get_transitions(self):190        return self._transitions191    def get_stateprops(self):192        return self._stateprops193    def get_layout(self):194        return self._layout195    def get_history(self):196        return self._history197    def get_header(self):198        return self._header199class writer(lsts):200    """201    LSTS writer class202    """203    def __init__(self,file=None,lsts_object=None):204        """205        Parameters:206        - Optional parameter 'file' should provide method207        'write'. Output will be written to this object. Valid objects208        are, for example, files opened for writing and sys.stdout.209        - Optional parameter lsts_object should be an instance of lsts210         (or reader or writer) class. New header will be automatically211         generated based on action names and transitions of the lsts212         object.213        - If both optional arguments are provided, the lsts object is214          immediately written to the file. In this case, for backward215          compatibility, the first call of write method will not do216          anything the writing target is the same file object.217        """218        self._written_in_constructor=None # this file has been written219        lsts.__init__(self)220        self.__file=file221        if isinstance(lsts_object,lsts):222            self.set_actionnames( lsts_object.get_actionnames() )223            self.set_transitions( lsts_object.get_transitions() )224            self.set_stateprops( lsts_object.get_stateprops() )225            self.set_layout( lsts_object.get_layout() )226            self._header.initial_states=lsts_object.get_header().initial_states227        if file!=None and lsts_object!=None: # write immediately228            self.write()229            self._written_in_constructor=file230    def write(self,file=None,stateprop_order=None):231        """232        Parameters:233        - optional parameter file is the same as in __init__.234        Notes:235        Writes all lsts information to the given file object.236        """237        if not file:238            file=self.__file239        if self._written_in_constructor==file:240            self._written_in_constructor=None241            return242        file.write("Begin Lsts\n\n")243        file.write("Begin History\n")244        for num,s in enumerate(self._history):245            file.write("\t"+str(num+1)+"\n")246            file.write("\t\""+s+"\"\n")247        file.write("End History\n\n")248        file.write("Begin Header\n")249        file.write(" State_cnt = " + str(self._header.state_cnt) + "\n")250        file.write(" Action_cnt = " + str(self._header.action_cnt) + "\n")251        file.write(" Transition_cnt = " + str(self._header.transition_cnt) + "\n")252        if self._stateprops:253            file.write(" State_prop_cnt = " + str(self._header.state_prop_cnt) + "\n")254        file.write(" Initial_states = " + str(self._header.initial_states+1) + ";\n")255        file.write("End Header\n\n")256        file.write("Begin Action_names\n")257        for ai,a in enumerate(self._actionnames[1:]):258            file.write(" "+str(ai+1)+' = "'+a.replace('"','\\"')+'"\n')259        file.write("End Action_names\n\n")260        if self._stateprops:261            file.write("Begin State_props\n")262            if stateprop_order == None:263                propnames=self._stateprops.keys()264                propnames.sort()265            else:266                propnames = stateprop_order267            for key in propnames:268                file.write('  "%s" :' % key.replace('"','\\"'))269                for v in self._stateprops[key]:270                    file.write(' %s' % (v+1))271                file.write(';\n')272            file.write("End State_props\n\n")273        file.write("Begin Transitions\n")274        for si,s in enumerate(self._transitions):275            file.write(" "+str(si+1)+":")276            for (dest_state,action_index) in s:277                file.write(" "+str(dest_state+1)+","+str(action_index))278            file.write(";\n")279        file.write("End Transitions\n\n")280        if self._layout:281            file.write("Begin Layout\n")282            for statenum, xcoor, ycoord in [(num, val[0], val[1])283                                            for num, val in enumerate(self._layout)284                                            if val!=None]:285                file.write(' %s %s %s\n' % (statenum+1, xcoor, ycoord))286            file.write("End Layout\n")287        file.write("End Lsts\n")288class reader(lsts):289    def __init__(self,file=None):290        """291        Parameters:292        - Optional parameter file should provide method 'read'. Valid293        objects are, for example, files opened for reading and294        sys.stdin. If file_object is given, the file is immediately295        read, so there is no need to call read method afterwards."""296        lsts.__init__(self)297        self.__already_read=0298        self.__file=file299        self.__sections=["begin lsts",300                         "begin history","end history",301                         "begin header","end header",302                         "begin action_names", "end action_names",303                         "begin transitions", "end transitions",304                         "begin state_props", "end state_props",305                         "begin layout", "end layout",306                         "end lsts"]307        import re308        self.__headerrow=re.compile('\s*(\S+)\s*=\s*([0-9]+)[^0-9]')309        self.__actionnamerow=re.compile('\s*([0-9]+)\s*=\s*"(([^"]|\\")*)"')310        self.__actionnamemultirow_start1=re.compile('\s*([0-9]+)\s*=\s*"([^\\\\]*)\\\\\^\s*$')311        self.__actionnamemultirow_start2=re.compile('\s*([0-9]+)\s*=\s*$')312        self.__actionnamemultirow_cont=re.compile('\s*\^([^\\\\]*)\\\\\^')313        self.__actionnamemultirow_end=re.compile('\s*\^([^"]*)"')314        self.__transitionrow=re.compile('\s*([0-9]+)[:\s]+(.*)\s*;')315        trowc1=re.compile('{[^}]*}|"[^"]*"') # transition row cleaner 1316        trowc2=re.compile(',')317        self.__cleanrow=lambda s:trowc2.sub(' ',trowc1.sub(' ',s))318        self.__stateproprow=re.compile('\s*"(([^"]|\\")*)"\s*:\s*([.0-9\s]*);')319        if file:320            self.read()321            self.__already_read=1322    def read(self,file=None):323        """324        """325        if self.__already_read:326            self.__already_read=0327            return328        if not file:329            file=self.__file330        sidx=0 # index of section that we expect to read next331        secs=self.__sections332        layout_rows=[]333        l=file.readline()334        while l:335            l=l.replace(chr(0x0d),'')336            if l.strip().lower() in secs: # move to the next section337                sidx=secs.index(l.strip().lower())338            elif secs[sidx]=="begin history":339                self._history.append(l.strip())340            elif secs[sidx]=="begin header": # parse a header row341                res=self.__headerrow.search(l)342                if res and int(res.group(2))>0:343                    if res.group(1).lower()=="action_cnt":344                        self._actionnames=["tau"] + ['N/A' for i in xrange(0,int(res.group(2)))]345                        self._header.action_cnt=int(res.group(2))346                        actionname_in_multirow=-1347                    elif res.group(1).lower()=="state_cnt":348                        self._header.state_cnt=int(res.group(2))349                        self._transitions=[ [] for _ in xrange(0,self._header.state_cnt) ]350                        self._layout=[None for _ in xrange(self._header.state_cnt)]351                    elif res.group(1).lower()=="transition_cnt":352                        self._header.transition_cnt=int(res.group(2))353                    elif res.group(1).lower()=="state_prop_cnt":354                        self._header.state_prop_cnt=int(res.group(2))355                    elif res.group(1).lower()=="initial_states":356                        self._header.initial_states=int(res.group(2))-1 # only one allowed (BAD)357            elif secs[sidx]=="begin action_names": # parse an action name row358                res=self.__actionnamerow.search(l)359                if res and int(res.group(1))>0:360                    self._actionnames[int(res.group(1))]=res.group(2).replace('\\"', '"')361                    actionname_in_multirow=-1362                else:363                    if actionname_in_multirow==-1:364                        res=self.__actionnamemultirow_start1.search(l)365                        if res:366                            # store the number of the action whose name367                            # is given in multiple rows368                            actionname_in_multirow=int(res.group(1))369                            self._actionnames[actionname_in_multirow]=res.group(2)370                        else: # real hack. parse 'number = \n "action name"'371                            res=self.__actionnamemultirow_start2.search(l)372                            if res:373                                nextline=file.readline()374                                while nextline.strip()=="": nextline=file.readline()375                                self._actionnames[int(res.group(1))]=\376                                    nextline.split('"',1)[1].rsplit('"',1)[0]377                    else:378                        res=self.__actionnamemultirow_cont.search(l)379                        if res:380                            self._actionnames[actionname_in_multirow]+=res.group(1)381                        else:382                            res=self.__actionnamemultirow_end.search(l)383                            if res:384                                self._actionnames[actionname_in_multirow]+=res.group(1)385                                actionname_in_multirow=-1386            elif secs[sidx]=="begin transitions": # parse a transition row387                res=self.__transitionrow.search(l)388                if res and int(res.group(1))>0:389                    starting_state=int(res.group(1))-1390                    l=self.__cleanrow(res.group(2)).split()391                    for (dest_state,action_index) in \392                            [ (l[i],l[i+1]) for i in range(0,len(l))[::2] ]:393                        self._transitions[starting_state].append(394                            (int(dest_state)-1,int(action_index)) )395            elif secs[sidx]=="begin state_props": # parse state proposition row396                res=self.__stateproprow.search(l)397                if res:398                    propname=res.group(1).replace('\\"', '"')399                    proplist=[]400                    for propitem in res.group(3).split():401                        try:402                            # single number403                            propnum=int(propitem)-1 # off-by-one404                            proplist.append(propnum)405                        except ValueError:406                            # range of numbers: x..y407                            try:408                                proprange=[int(x) for x in propitem.split("..")]409                            except ValueError:410                                print propitem411                            proprange[0]-=1 # off-by-one412                            proplist.extend(range(*proprange))413                    proplist.sort()414                    self._stateprops[propname]=proplist415            elif secs[sidx]=="begin layout":416                layout_numbers=l.strip().split()417                try:418                    statenum, xcoord, ycoord = [int(x) for x in layout_numbers]419                except ValueError:420                    raise ValueError("Layout section has an illegal row: '%s'" % l.strip())421                statenum-=1422                try:423                    self._layout[statenum]=(xcoord,ycoord)424                except IndexError:425                    raise IndexError("Illegal state number in layout section: %s" % statenum)426            if sidx == len(secs): # we are ready427                break428            else:429                l=file.readline()430                while l.strip()=="":431                    if not l: break432                    l=file.readline()433                if secs[sidx]=="begin state_props" or secs[sidx]=="begin transitions":434                    while (not l.lower().strip() in secs) and (not ";" in l):435                        newline=file.readline()436                        if not newline: break437                        # if there is only one white space in the front of the new row,438                        # delete it... it may be that there should not be white space439                        if l[-3:-1]==".." or newline[:3]==" ..":440                            newline=newline.lstrip()441                        l=l.rstrip()+newline442try:443    import psyco444    psyco.profile()445except: pass446# Compatibility to Python 2.1 requires enumerate:447try:448    enumerate([1])449except:450    def enumerate(list_of_anything):451        i = 0452        result = []453        for a in list_of_anything:454            result.append((i,a))455            i += 1456        return result457if __name__=="__main__":458    """ Testiohjelma """459    class filu:460        def __init__(self):461            self.s=""462        def write(self,s):463            self.s+=s464        def readline(self):465            l=self.s[:self.s.find("\n")+1]466            self.s=self.s[self.s.find("\n")+1:]467            return l468    outf1=filu()469    w=writer(outf1)470    w.set_actionnames(["tau","a","b","c"])471    w.set_transitions([[(0,0),(1,2)],[(0,1),(1,1),(2,3)],[]])472    w.write()473    inf=filu()474    inf.s=outf1.s475    r=reader(inf)476    r.read()477    outf2=filu()478    ww=writer(file=outf2,lsts_object=r)479    # r.__class__=writer480    ww.write(outf2)481    test="Write - read written - rewrite (the written LSTSs should be the same)"482    if outf1.s==outf2.s:483        print "PASS",test484    else:...
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