Example #1
0
def final_method(path_to_file: str, Word: str) -> str:
    Auto = automaton.Automaton("test")  # create an empty automate
    Auto.from_txtfile(path_to_file)
    if not is_det(Auto):
        return "ERROR"
    else:
        if is_word_inside(Auto, Word):
            return "YES"
        else:
            return "NO"
Example #2
0
def final_method(chemin_vers_le_fichier: str, Word: str) -> str:
    Auto = automaton.Automaton("test")  # create an empty automate
    Auto.from_txtfile(chemin_vers_le_fichier)
    if not is_det(Auto):
        return "ERROR"
    else:
        if is_word_inside(Auto, Word):
            return "YES"
        else:
            return "NO"
def checkFromFile(fileName: str, word: str):
    automata = automaton.Automaton(fileName)
    automata.from_txtfile(fileName)

    if not isDeterministic(automata):
        makeDeterministic(automata)

    if isRecognizable(word, automata):
        print("YES")
    else:
        print("NO")
Example #4
0
def eliminate_other_trans(
        automate: automaton.Automaton) -> automaton:  # Methode incompléte
    automate = eliminate_e_trans(automate)
    new_state = [automate.initial.name]
    PartsOf(automate.states)
    resulting_automaton = automaton.Automaton("test4")
    for i in range(len(automate.alphabet)):
        try:
            etat_cible = Transition_Function(automate, automate.initial.name,
                                             automate.alphabet[i])
            new_state.append(str(etat_cible))
            resulting_automaton.add_transition(automate.initial.name,
                                               automate.alphabet[i],
                                               etat_cible)
        except KeyError:
            pass
    for i in range(len(automate.alphabet)):
        print(new_state[2][2])
        print(
            Transition_Function(automate, new_state[1][0],
                                automate.alphabet[i]))

    return resulting_automaton
Example #5
0
def parseFile(filename):
    '''
       Parse a json file to generate an automaton
       For syntax, see example.json
    '''

    data = json.load(open(filename))
    auto = am.Automaton()

    for name in data['nodes']:
        node = am.Node(auto, name)
        if 'eqs' in data['nodes'][name]:
            node.set_equation(parse_system(data['nodes'][name]['eqs']))

    for link in data['links']:
        src = auto.nodes[link['src']]
        dst = auto.nodes[link['dst']]
        link = am.Link(auto, src, dst)

    auto.set_init_interval(parse_init_interval(data['init']))
    auto.set_init_node(data['entry'])

    print(auto)
    return auto
Example #6
0
 def construct_nfa(self):
     nfa = automaton.Automaton()
     (start, final) = self.root.construct_nfa(nfa)
     nfa.set_start_state(start)
     nfa.set_final_states(set([final]))
     return nfa
    listOfTransitions = []
    for transition in automaton.transitions:
        if transition[1] == symbol:
            listOfTransitions.append(transition)

    return listOfTransitions


def getStateTransitions(state: str, automaton: automaton.Automaton):
    listOfStateTransitions = []
    for transition in automaton.transitions:
        if transition[0] == state:
            listOfStateTransitions.append(transition)

    if listOfStateTransitions == None:
        raise Exception("there are no transitions from this state")

    return listOfStateTransitions


a = automaton.Automaton("a-epsilon")
source = """0 % 1
1 a 1
0 % 2
2 b 2
A 1 2
"""
a.from_txt(source)

print(deleteEpsilons(a))
Example #8
0
import cell
import automaton
import random

test_type = 1

if (test_type == 0):
    automaton = automaton.Automaton()
    automaton.traffic_flow_setup(ring_size=40, car_num=21)
    STEP_SIZE = 100
    print(automaton)
    for index in range(STEP_SIZE):
        automaton.step()
        print(automaton)

elif (test_type == 1):
    STEP_SIZE = 10
    automaton = automaton.AutomatonAlt()
    automaton.traffic_flow_setup(branch_index=2,
                                 connecting_index=5,
                                 ring_size=10,
                                 alt_size=2,
                                 car_num=7)

    printtype = 'all'
    print(automaton)
    print('\n\n')

    for index in range(STEP_SIZE):
        if (printtype == 'all'):
            print(automaton)
Example #9
0
            else:
                print 'Syntax error at', pos
                return
        else:
            pos += 1

    print state


spec = {}
execfile(sys.argv[1], spec)

macros = spec["MACROS"]
rules = spec["RULES"]

nfa = automaton.Automaton()
start = 0
nfa.add_state(0)
nfa.set_start_state(0)
finals = set()
for (n, (re, action)) in enumerate(rules):
    for macro in macros:
        re = re.replace("{" + macro + "}", macros[macro])

    print(re, action)

    r = regexp.RegExp(re)
    (start, final) = r.add_to_nfa(nfa)

    nfa.add_edge(0, automaton.EPSILON_RANGE, start)
    nfa.label_state(final, n)
Example #10
0
import automaton

test1 = automaton.Automaton("test")
test1.add_transition("1", "a", "1")
test1.add_transition("1", "a", "2")
test1.add_transition("1", "b", "3")
test1.add_transition("2", "b", "3")
test1.add_transition("2", "%", "3")
test1.add_transition("2", "%", "4")
test1.add_transition("2", "a", "4")
test1.add_transition("4", "%", "5")
test1.add_transition("4", "b", "5")
test1.add_transition("3", "a", "5")
test1.add_transition("5", "a", "5")
test1.add_transition("5", "b", "2")
test1.add_transition("4", "a", "6")
test1.add_transition("5", "%", "6")
test1.add_transition("5", "a", "6")
test1.add_transition("6", "b", "6")
test1.make_accept("6")
test1.to_graphviz("test1.gv")
Example #11
0
 * YES if word is recognized
 * NO if word is rejected
"""

import automaton
import sys
import pdb  # for debugging

if len(sys.argv) != 3:
    usagestring = "Usage: {} <automaton-file.af> <word-to-recognize>"
    automaton.error(usagestring.format(sys.argv[0]))

import automaton
import sys

test = automaton.Automaton("Test")  # create a empty automate
test.add_transition("0", "b", "1")
test.add_transition("1", "b", "1")
test.add_transition("1", "a", "2")
test.add_transition("2", "b", "3")
# test.add_transition("3", "%", "3")

test.make_accept("2")
test.to_graphviz("test.gv")


def count_element(Word: str):  # méthode qui compte le nombre d"état
    count = 1
    for i in range(len(Word)):
        if Word[i] == ",":
            count += 1