599 lines
18 KiB
Python
599 lines
18 KiB
Python
# -*- coding: utf8 -*-
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"""
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********************************************************************************
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* CNIRevelator *
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* *
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* Desc: MRZ data dictionnary for CNIRevelator analyzer and *
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* functions to analyze these data *
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* *
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* Copyright © 2018-2019 Adrien Bourmault (neox95) *
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* *
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* This file is part of CNIRevelator. *
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* *
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* CNIRevelator is free software: you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation, either version 3 of the License, or *
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* any later version. *
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* *
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* CNIRevelator is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY*without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with CNIRevelator. If not, see <https:*www.gnu.org/licenses/>. *
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********************************************************************************
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"""
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import re
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import datetime
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import logger # logger.py
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import globs # globs.py
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import lang # lang.py
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import critical # critical.py
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## SEX CODES
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sexcode = {'M':'Homme', 'F':'Femme', 'X':'Non spécifié'}
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## COUNTRY CODES
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landcode2 = lang.all[globs.CNIRlang]["LANDCODE2"]
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landcode3 = lang.all[globs.CNIRlang]["LANDCODE3"]
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## DOCUMENTS TYPES
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P = [
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["11222333333333333333333333333333333333333333", "444444444566677777789AAAAAABCCCCCCCCCCCCCCDE"],
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{
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"1": ["2", "CODE", "P."],
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"2": ["3", "PAYS", "[A-Z]+"],
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"3": ["39", "NOM", "([A-Z]|<)+"],
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"4": ["9", "NO", ".+"],
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"5": ["1", "CTRL", "[0-9]", "4"],
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"6": ["3", "NAT", "[A-Z]+"],
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"7": ["6", "BDATE", "[0-9]+"],
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"8": ["1", "CTRL", "[0-9]", "7"],
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"9": ["1", "SEX", "[A-Z]"],
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"A": ["6", "EDATE", "[0-9]+"],
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"B": ["1", "CTRL", "[0-9]", "A"],
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"C": ["14", "FACULT", ".+"],
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"D": ["1", "CTRLF", "[0-9]", "C"],
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"E": ["1", "CTRL", "[0-9]", "4578ABCD"]
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},
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lang.all[globs.CNIRlang]["Passeport lisible à la machine"]
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]
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IP = [
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["112223333333334555555555555555", "66666678999999ABBBCCCCCCCCCCCD"],
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{
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"1": ["2", "CODE", "IP"],
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"2": ["3", "PAYS", "[A-Z]+"],
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"3": ["9", "NO", ".+"],
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"4": ["1", "CTRL", "[0-9]", "3"],
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"5": ["15", "FACULT", ".+"],
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"6": ["6", "BDATE", "[0-9]+"],
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"7": ["1", "CTRL", "[0-9]", "6"],
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"8": ["1", "SEX", "[A-Z]"],
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"9": ["6", "EDATE", "[0-9]+"],
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"A": ["1", "CTRL", "[0-9]", "9"],
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"B": ["3", "NAT", "[A-Z]+"],
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"C": ["11", "FACULT", ".+"],
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"D": ["1", "CTRL", "[0-9]", "345679AC"]
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},
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lang.all[globs.CNIRlang]["Carte-passeport"]
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]
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IDEUR = [
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["112223333333334555555555555555", "66666678999999ABBBCCCCCCCCCCCD"],
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{
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"1": ["2", "CODE", "I."],
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"2": ["3", "PAYS", "[A-Z]+"],
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"3": ["9", "NO", ".+"],
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"4": ["1", "CTRL", "[0-9]", "3"],
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"5": ["15", "FACULT", ".+"],
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"6": ["6", "BDATE", "[0-9]+"],
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"7": ["1", "CTRL", "[0-9]", "6"],
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"8": ["1", "SEX", "[A-Z]"],
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"9": ["6", "EDATE", "[0-9]+"],
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"A": ["1", "CTRL", "[0-9]", "9"],
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"B": ["3", "NAT", "[A-Z]+"],
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"C": ["11", "FACULT", ".+"],
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"D": ["1", "CTRL", "[0-9]", "345679AC"]
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},
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lang.all[globs.CNIRlang]["Carte d’identité européenne"]
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]
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TSEUR = [
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["112223333333334555555555555555", "66666678999999ABBBCCCCCCCCCCCD"],
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{
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"1": ["2", "CODE", "IR"],
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"2": ["3", "PAYS", "[A-Z]+"],
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"3": ["9", "NO", ".+"],
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"4": ["1", "CTRL", "[0-9]", "3"],
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"5": ["15", "FACULT", ".+"],
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"6": ["6", "BDATE", "[0-9]+"],
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"7": ["1", "CTRL", "[0-9]", "6"],
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"8": ["1", "SEX", "[A-Z]"],
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"9": ["6", "EDATE", "[0-9]+"],
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"A": ["1", "CTRL", "[0-9]", "9"],
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"B": ["3", "NAT", "[A-Z]+"],
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"C": ["11", "FACULT", ".+"],
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"D": ["1", "CTRL", "[0-9]", "345679AC"]
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},
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lang.all[globs.CNIRlang]["Carte de séjour européenne"]
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]
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AC = [
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["112223333333334EEE555555555555", "66666678999999ABBBCCCCCCCCCCCD"],
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{
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"1": ["2", "CODE", "AC"],
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"2": ["3", "PAYS", "[A-Z]+"],
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"3": ["9", "NO", ".+"],
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"4": ["1", "CTRL", "[0-9]", "3"],
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"E": ["3", "INDIC", "[A-Z]{1,2}."],
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"5": ["12", "FACULT", ".+"],
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"6": ["6", "BDATE", "[0-9]+ "],
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"7": ["1", "CTRL", "[0-9]", "6"],
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"8": ["1", "SEX", "[A-Z]"],
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"9": ["6", "EDATE", "[0-9]+"],
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"A": ["1", "CTRL", "[0-9]", "9"],
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"B": ["3", "NAT", "[A-Z]+"],
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"C": ["11", "FACULT", ".+"],
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"D": ["1", "CTRL", "[0-9]","345679AC"]
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},
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lang.all[globs.CNIRlang]["Certificat de membre d'équipage"]
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]
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VA = [
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["11222333333333333333333333333333333333333333", "444444444566677777789AAAAAABCCCCCCCCCCCCCCCC"],
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{
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"1": ["2", "CODE", "V."],
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"2": ["3", "PAYS", "[A-Z]+"],
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"3": ["39", "NOM", "([A-Z]|<)+"],
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"4": ["9", "NO", ".+"],
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"5": ["1", "CTRL", "[0-9]","4"],
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"6": ["3", "NAT", "[A-Z]+"],
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"7": ["6", "BDATE", "[0-9]+"],
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"8": ["1", "CTRL", "[0-9]", "7"],
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"9": ["1", "SEX", "[A-Z]"],
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"A": ["6", "EDATE", "[0-9]+"],
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"B": ["1", "CTRL", "[0-9]", "A"],
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"C": ["16", "FACULT", ".+"]
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},
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lang.all[globs.CNIRlang]["Visa de type A"]
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]
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VB = [
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["112223333333333333333333333333333333", "444444444566677777789AAAAAABCCCCCCCC"],
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{
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"1": ["2", "CODE", "V."],
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"2": ["3", "PAYS", "[A-Z]+"],
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"3": ["31", "NOM", "([A-Z]|<)+"],
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"4": ["9", "NO", ".+"],
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"5": ["1", "CTRL", "[0-9]","4"],
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"6": ["3", "NAT", "[A-Z]+"],
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"7": ["6", "BDATE", "[0-9]+"],
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"8": ["1", "CTRL", "[0-9]", "7"],
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"9": ["1", "SEX", "[A-Z]"],
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"A": ["6", "EDATE", "[0-9]+"],
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"B": ["1", "CTRL", "[0-9]", "A"],
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"C": ["8", "FACULT", ".+"]
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},
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lang.all[globs.CNIRlang]["Visa de type B"]
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]
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TSF = [
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["112223333333333333333333333333333333", "444444444566677777789AAAAAABCCCCCC"],
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{
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"1": ["2", "CODE", "TS"],
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"2": ["3", "PAYS", "FRA"],
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"3": ["31", "NOM", "([A-Z]|<)+"],
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"4": ["9", "NO", ".+"],
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"5": ["1", "CTRL", "[0-9]","4"],
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"6": ["3", "NAT", "[A-Z]+"],
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"7": ["6", "BDATE", "[0-9]+"],
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"8": ["1", "CTRL", "[0-9]", "7"],
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"9": ["1", "SEX", "[A-Z]"],
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"A": ["6", "EDATE", "[0-9]+"],
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"B": ["1", "CTRL", "[0-9]", "A"],
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"C": ["8", "FACULT", ".+"]
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},
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lang.all[globs.CNIRlang]["Carte de séjour FR"]
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]
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TDV = [
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["112223333333333333333333333333333333", "444444444566677777789AAAAAABCCCCCCCD"],
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{
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"1": ["2", "CODE", "I."],
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"2": ["3", "PAYS", "[A-Z]+"],
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"3": ["31", "NOM", "([A-Z]|<)+"],
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"4": ["9", "NO", ".+"],
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"5": ["1", "CTRL", "[0-9]", "4"],
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"6": ["3", "NAT", "[A-Z]+"],
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"7": ["6", "BDATE", "[0-9]+"],
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"8": ["1", "CTRL", "[0-9]", "7"],
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"9": ["1", "SEX", "[A-Z]"],
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"A": ["6", "EDATE", "[0-9]+"],
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"B": ["1", "CTRL", "[0-9]", "A"],
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"C": ["7", "FACULT", ".+"],
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"D": ["1", "CTRL", "[0-9]", "4578ABC"]
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},
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lang.all[globs.CNIRlang]["Titre d'identité/de voyage"]
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]
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IDFR = [
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["112223333333333333333333333333444444", "555566677777899999999999999AAAAAABCD"],
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{
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"1": ["2", "CODE", "ID"],
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"2": ["3", "PAYS", "FRA"],
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"3": ["25", "NOM", "([A-Z]|<)+"],
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"4": ["6", "NOINT", ".+"],
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"5": ["4", "DDATE", "[0-9]+"],
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"6": ["3", "NOINT2", "[0-9]+"],
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"7": ["5", "NOINT3", "[0-9]+"],
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"8": ["1", "CTRL", "[0-9]", "567"],
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"9": ["14", "PRENOM", "[A-Z]"],
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"A": ["6", "BDATE", "[0-9]+"],
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"B": ["1", "CTRL", "[0-9]", "A"],
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"C": ["1", "SEX", "[A-Z]"],
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"D": ["1", "CTRL", "[0-9]", "123456789ABCE"]
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},
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lang.all[globs.CNIRlang]["Pièce d'identité FR"]
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]
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DL = [
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["112223333333334555555666666667", ""],
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{
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"1": ["2", "CODE", "D1"],
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"2": ["3", "PAYS", "[A-Z]+"],
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"3": ["9", "NO", "[0-9]{2}[A-Z]{2}[0-9]{5}"],
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"4": ["1", "CTRL", "[0-9]", "123"],
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"5": ["6", "EDATE", "[0-9]+"],
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"6": ["8", "NOM", "([A-Z]|<)+"],
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"7": ["1", "CTRL", "[0-9]", "123456"]
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},
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lang.all[globs.CNIRlang]["Permis de conduire"]
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]
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TYPES = [IDFR, TDV, VB, VA, AC, IDEUR, IP, P, DL, TSF, TSEUR]
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# longest document MRZ line
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longest = max([len(x[0][0]) for x in TYPES])
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## THE ROOT OF THIS PROJECT !
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def getDocString(doc):
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return doc[0][0] + doc[0][1]
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def getFieldLimits(doc, fieldtype):
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"""
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This function returns the limit of a given field string id for a given document structure
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"""
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L1 = limits(doc[0][0], fieldtype)
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L2 = limits(doc[0][1], fieldtype)
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if -1 in L1:
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return 1, L2
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else:
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return 0, L1
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return
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def limits(line, fieldtype):
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"""
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Returns the limit of a given field structure
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"""
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a = line.find(fieldtype)
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b = line.rfind(fieldtype)
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return (a,b+1)
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def completeDocField(doc, code, position):
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"""
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Completes with '<' the document the field that is located at given position
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"""
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field = getDocString(doc)[position]
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limit = limits(getDocString(doc), field)
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res = limit[1] - position
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#print("field : {}, limit : {}, number of char to complete : {}".format(field, limit, res))
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return res
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def docMatch(doc, strs):
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"""
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This function calculates a regex match score for a given document and a string couple
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"""
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# Global handler
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logfile = logger.logCur
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level = 0
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nchar = 0
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bonus = 0
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for i in range(0,2):
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cursor = 0
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#print("Line : {}".format(i))
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while True:
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if cursor > len(doc[0][i]) - 1:
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break
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# Getting the type of field on the cursor position
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fieldtype = doc[0][i][cursor]
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lim = limits(doc[0][i], fieldtype)
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# ready for next field
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cursor = lim[1]
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# get the current field and isolates it
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field = doc[0][i][ lim[0]:lim[1] ]
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fstr = strs[i][ lim[0]:lim[1] ]
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# Prepare regex compilation
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regex = re.compile(doc[1][fieldtype][2])
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# Test the match
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matching = regex.match(fstr)
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# Retrieve the mathing level
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if matching:
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level += matching.end()
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if fieldtype == "1":
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bonus += 100
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nchar += int(doc[1][fieldtype][0])
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# Print for debug
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# print("Field : {}, type = {}, on str : {}".format(field, fieldtype, fstr))
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# logfile.printdbg(" REGEX : {}, match : {}".format(regex, matching))
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# exit the loop
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logfile.printdbg("{} level : {}/{} (+{})".format(doc[2], level, nchar, bonus))
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return (level, nchar, bonus)
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def allDocMatch(strs, final=False):
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"""
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This functions test all documents types on the lines provided and returns a score for each
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"""
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# Global handler
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logfile = logger.logCur
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#print(strs)
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SCORES = []
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for doc in TYPES:
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# Get the score of the document on the strings
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level, nchar, bonus = docMatch(doc, strs)
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# Number of characters compatibles + bonus with the doc indication
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SCORES += [ level + bonus ]
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# if the len of strings is the same than document, add a bonus
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# but only if we are in a final situation
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if final:
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if len(strs[0] + strs[1]) == nchar:
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SCORES[-1] += 100
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candidate = SCORES.index(max(SCORES))
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candidates = []
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canditxt = []
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# Search the candidates
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for i in range(len(SCORES)):
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if SCORES[i] == SCORES[candidate]:
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candidates += [TYPES[i]]
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canditxt += [TYPES[i][2]]
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# Continue searching
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if len(candidates) < 2:
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tempRemovedCandidate = SCORES.pop(candidate)
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if (SCORES.index(max(SCORES)) != candidate) and (max(SCORES) >= tempRemovedCandidate - 20):
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if SCORES.index(max(SCORES)) < candidate:
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candidates += [ TYPES[SCORES.index(max(SCORES))] ]
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else:
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candidates += [ TYPES[SCORES.index(max(SCORES)) + 1] ]
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SCORES.insert(candidate, tempRemovedCandidate)
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# Return the candidates
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logfile.printdbg("Scores : {}".format(SCORES))
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logfile.printdbg("Candidates : {}".format(canditxt))
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return candidates
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def computeControlSum(code):
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"""
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This function computes a control sum for the given characters
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"""
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resultat = 0
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i = -1
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facteur = [7, 3, 1]
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for car in code:
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if car == '<' or car == '\n':
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valeur = 0
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i += 1
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else:
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if car in '0123456789':
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valeur = int(car)
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i += 1
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else:
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if car in 'ABCDEFGHIJKLMNOPQRSTUVWXYZ':
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valeur = ord(car) - 55
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i += 1
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else:
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break
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resultat += valeur * facteur[(i % 3)]
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return resultat % 10
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def computeAllControlSum(doc, code):
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"""
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This function computes all the ctrl sums on a MRZ string and returns all the results
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it returns the misc infos about the document too
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"""
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ctrlSumList = []
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facult = False
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# iteration on each char of the given MRZ
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for charPos in range(len(code)):
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# Sanity check
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if len(getDocString(doc)) <= charPos:
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break
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field = getDocString(doc)[charPos]
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if doc[1][field][1] == "CTRL":
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#print("{} is CTRL field {}".format(code[charPos], field))
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codeChain = ""
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# iteration on the fields to control
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for pos in range(len(code)):
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#print("Len : {}, pos : {}".format(len(getDocString(doc)), pos))
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# Sanity check
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if len(getDocString(doc)) <= pos:
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break
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target = getDocString(doc)[pos]
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if target in doc[1][field][3]:
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#print("__field : {} {} {} {}".format(target, pos, field, doc[1][field][3]))
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codeChain += code[pos]
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#print("chain to control : _{}_".format(codeChain))
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ctrlSum = computeControlSum(codeChain)
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#print("SUM : {} vs {}".format(code[charPos], ctrlSum))
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ctrlSumList += [ (field, charPos, ctrlSum, facult) ]
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if doc[1][field][1] == "CTRLF":
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#print("{} is CTRL field {}".format(code[charPos], field))
|
||
|
||
codeChain = ""
|
||
# iteration on the fields to control
|
||
for pos in range(len(code)):
|
||
target = getDocString(doc)[pos]
|
||
if target in doc[1][field][3]:
|
||
#print("__field : {} {} {} {}".format(target, pos, field, doc[1][field][3]))
|
||
codeChain += code[pos]
|
||
|
||
#print("chain to control : _{}_".format(codeChain))
|
||
|
||
ctrlSum = computeControlSum(codeChain)
|
||
#print("SUM : {} vs {}".format(code[charPos], ctrlSum))
|
||
|
||
if code[charPos] == "<":
|
||
facult = True
|
||
|
||
ctrlSumList += [ (field, charPos, ctrlSum, facult) ]
|
||
|
||
return {
|
||
"ctrlSumList" : ctrlSumList
|
||
}
|
||
|
||
|
||
def getDocInfos(doc, code):
|
||
# get all the types of infos that are in the document doc
|
||
infoTypes = [ (doc[1][field][1], limits(doc[0][0] + doc[0][1], field)) for field in doc[1] ]
|
||
|
||
res = {}
|
||
|
||
# Length of MRZ
|
||
length = len(code)
|
||
if length == len(doc[0][0]+doc[0][1]):
|
||
res["LEN"] = [length, True]
|
||
else:
|
||
res["LEN"] = [length, False]
|
||
|
||
|
||
for field in infoTypes:
|
||
|
||
value = code[ field[1][0] : field[1][1] ].replace("<", " ").strip()
|
||
res[field[0]] = [0,0]
|
||
|
||
# State code
|
||
if field[0] == 'PAYS' or field[0] == 'NAT':
|
||
try:
|
||
if len(value) == 3 and value[-1] != "<":
|
||
res[field[0]] = (landcode3[value], True)
|
||
elif len(value) == 3 and value[-1] == "<":
|
||
res[field[0]] = (landcode2[value[:-1]], True)
|
||
else:
|
||
res[field[0]] = (landcode2[value], True)
|
||
except KeyError:
|
||
res[field[0]] = [value, False]
|
||
|
||
# Dates
|
||
elif field[0][1:] == 'DATE':
|
||
# size adaptation
|
||
if len(value) == 6:
|
||
value = "{}/{}/{}".format(value[4:6], value[2:4], value[0:2])
|
||
elif len(value) == 4:
|
||
value = "{}/{}/{}".format("01", value[2:4], value[0:2])
|
||
|
||
# date validation
|
||
try:
|
||
datetime.datetime.strptime(value,"%d/%m/%y")
|
||
except ValueError:
|
||
#print(value)
|
||
if value != "":
|
||
res[field[0]] = [value, False]
|
||
else:
|
||
res[field[0]] = [value, True]
|
||
|
||
# Numbers
|
||
elif field[0][:-1] == 'NOINT':
|
||
try:
|
||
res["NO"][0] += value
|
||
res["NO"][1] = True
|
||
except KeyError:
|
||
res["NO"] = [value, True]
|
||
|
||
elif field[0] == 'NOINT':
|
||
try:
|
||
res["NO"][0] += value
|
||
res["NO"][1] = True
|
||
except KeyError:
|
||
res["NO"] = [value, True]
|
||
|
||
elif field[0] == 'FACULT':
|
||
try:
|
||
res["INDIC"][0] += value
|
||
res["INDIC"][1] = True
|
||
except KeyError:
|
||
res["INDIC"] = [value, True]
|
||
|
||
# Sex
|
||
elif field[0] == 'SEX':
|
||
if not value in "MF":
|
||
res[field[0]] = [value, False]
|
||
else:
|
||
res[field[0]] = [value, True]
|
||
|
||
# All other cases
|
||
else:
|
||
if value != "":
|
||
res[field[0]] = [value, True]
|
||
|
||
return res
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|