codicefiscale.codicefiscale.decode() - Code Metrics - Inspection of "Decode inactive municipalities based on birthdate...." - fabiocaccamo/python-codicefiscale - Measure and Improve Code Quality continuously with Scrutinizer

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by Fabio

created 2022-09-26 20:32 UTC

codicefiscale.codicefiscale.decode() C

↳ Parent: codicefiscale.codicefiscale

Complexity

Conditions

Size

Total Lines	72
Code Lines	49

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
eloc	49
dl	0
loc	72
rs	5.869
c	0
b	0
f	0
cc	10
nop	1

How to fix Long Method Complexity

# -*- coding: utf-8 -*-

from datetime import datetime
from dateutil import parser as date_parser
from itertools import combinations
from slugify import slugify

import fsutil
import re
import string


_CONSONANTS = list("bcdfghjklmnpqrstvwxyz")
_VOWELS = list("aeiou")
_MONTHS = list("ABCDEHLMPRST")
_CIN = {
    "0": (0, 1),
    "1": (1, 0),
    "2": (2, 5),
    "3": (3, 7),
    "4": (4, 9),
    "5": (5, 13),
    "6": (6, 15),
    "7": (7, 17),
    "8": (8, 19),
    "9": (9, 21),
    "A": (0, 1),
    "B": (1, 0),
    "C": (2, 5),
    "D": (3, 7),
    "E": (4, 9),
    "F": (5, 13),
    "G": (6, 15),
    "H": (7, 17),
    "I": (8, 19),
    "J": (9, 21),
    "K": (10, 2),
    "L": (11, 4),
    "M": (12, 18),
    "N": (13, 20),
    "O": (14, 11),
    "P": (15, 3),
    "Q": (16, 6),
    "R": (17, 8),
    "S": (18, 12),
    "T": (19, 14),
    "U": (20, 16),
    "V": (21, 10),
    "W": (22, 22),
    "X": (23, 25),
    "Y": (24, 24),
    "Z": (25, 23),
}
_CIN_REMAINDERS = list(string.ascii_uppercase)

_OMOCODIA = {
    "0": "L",
    "1": "M",
    "2": "N",
    "3": "P",
    "4": "Q",
    "5": "R",
    "6": "S",
    "7": "T",
    "8": "U",
    "9": "V",
}
_OMOCODIA_DIGITS = "".join([digit for digit in _OMOCODIA])
_OMOCODIA_LETTERS = "".join([_OMOCODIA[digit] for digit in _OMOCODIA])
_OMOCODIA_ENCODE_TRANS = "".maketrans(_OMOCODIA_DIGITS, _OMOCODIA_LETTERS)
_OMOCODIA_DECODE_TRANS = "".maketrans(_OMOCODIA_LETTERS, _OMOCODIA_DIGITS)
_OMOCODIA_SUBS_INDEXES = list(reversed([6, 7, 9, 10, 12, 13, 14]))
_OMOCODIA_SUBS_INDEXES_COMBINATIONS = [[]]
for combo_size in range(1, len(_OMOCODIA_SUBS_INDEXES) + 1):
    for combo in combinations(_OMOCODIA_SUBS_INDEXES, combo_size):
        _OMOCODIA_SUBS_INDEXES_COMBINATIONS.append(list(combo))


def _get_data(filename):
    return fsutil.read_file_json(fsutil.join_path(__file__, f"data/{filename}"))


def _get_indexed_data():
    municipalities = _get_data("municipalities.json")
    countries = _get_data("countries.json")
    data = {
        "municipalities": {},
        "countries": {},
        "codes": {},
    }

    for municipality in municipalities:
        code = municipality["code"]
        province = municipality["province"].lower()
        names = municipality["name_slugs"]
        for name in names:
            data["municipalities"][name] = municipality
            data["municipalities"][name + "-" + province] = municipality
        if code not in data["codes"]:
            data["codes"][code] = []
        data["codes"][code].append(municipality)

    for country in countries:
        code = country["code"]
        names = country["name_slugs"]
        for name in names:
            data["countries"][name] = country
        if code not in data["codes"]:
            data["codes"][code] = []
        data["codes"][code].append(country)

    return data


_DATA = _get_indexed_data()

CODICEFISCALE_RE = re.compile(
    r"^"
    r"([a-z]{3})"
    r"([a-z]{3})"
    r"(([a-z\d]{2})([abcdehlmprst]{1})([a-z\d]{2}))"
    r"([a-z]{1}[a-z\d]{3})"
    r"([a-z]{1})$",
    re.IGNORECASE,
)


def _get_consonants(s):
    return [char for char in s if char in _CONSONANTS]


def _get_vowels(s):
    return [char for char in s if char in _VOWELS]


def _get_consonants_and_vowels(consonants, vowels):
    return "".join(list(consonants[:3] + vowels[:3] + (["X"] * 3))[:3]).upper()


def _get_omocode(code, subs, trans):
    code_chars = list(code[0:15])
    for i in subs:
        code_chars[i] = code_chars[i].translate(trans)
    code = "".join(code_chars)
    code_cin = encode_cin(code)
    code += code_cin
    return code


def _get_omocodes(code):
    code_root = _get_omocode(
        code, subs=_OMOCODIA_SUBS_INDEXES, trans=_OMOCODIA_DECODE_TRANS
    )
    codes = [
        _get_omocode(code_root, subs=subs, trans=_OMOCODIA_ENCODE_TRANS)
        for subs in _OMOCODIA_SUBS_INDEXES_COMBINATIONS
    ]
    return codes


def encode_surname(surname):
    """
    Encode surname to the code used in italian fiscal code.

    :param surname: The surname
    :type surname: string

    :returns: The code used in italian fiscal code
    :rtype: string
    """
    surname_slug = slugify(surname)
    surname_consonants = _get_consonants(surname_slug)
    surname_vowels = _get_vowels(surname_slug)
    surname_code = _get_consonants_and_vowels(surname_consonants, surname_vowels)
    return surname_code


def encode_name(name):
    """
    Encodes name to the code used in italian fiscal code.

    :param name: The name
    :type name: string

    :returns: The code used in italian fiscal code
    :rtype: string
    """
    name_slug = slugify(name)
    name_consonants = _get_consonants(name_slug)

    if len(name_consonants) > 3:
        del name_consonants[1]

    name_vowels = _get_vowels(name_slug)
    name_code = _get_consonants_and_vowels(name_consonants, name_vowels)
    return name_code


def encode_birthdate(birthdate, sex):
    """
    Encodes birthdate to the code used in italian fiscal code.

    :param birthdate: The birthdate
    :type birthdate: datetime or string
    :param sex: The sex, 'M' or 'F'
    :type sex: string

    :returns: The code used in italian fiscal code
    :rtype: string
    """
    if not birthdate:
        raise ValueError("[codicefiscale] 'birthdate' argument cant be None")

    if not sex:
        raise ValueError("[codicefiscale] 'sex' argument cant be None")

    sex = sex.upper()

    if sex not in ["M", "F"]:
        raise ValueError("[codicefiscale] 'sex' argument must be 'M' or 'F'")

    if isinstance(birthdate, datetime):
        date_obj = birthdate
    else:
        date_slug = slugify(birthdate)
        date_parts = date_slug.split("-")[:3]
        date_kwargs = (
            {"yearfirst": True} if len(date_parts[0]) == 4 else {"dayfirst": True}
        )
        try:
            date_obj = date_parser.parse(date_slug, **date_kwargs)
        except ValueError as e:
            raise ValueError(f"[codicefiscale] {e}")

    year_code = str(date_obj.year)[2:]
    month_code = _MONTHS[date_obj.month - 1]
    day_code = str(date_obj.day + (40 if sex == "F" else 0)).zfill(2).upper()
    date_code = year_code + month_code + day_code
    return date_code


def encode_birthplace(birthplace):
    """
    Encodes birthplace to the code used in italian fiscal code.

    :param birthplace: The birthplace
    :type birthplace: string

    :returns: The code used in italian fiscal code
    :rtype: string
    """
    if not birthplace:
        raise ValueError("[codicefiscale] 'birthplace' argument cant be None")

    def find_birthplace_code(birthplace):
        birthplace_slug = slugify(birthplace)
        birthplace_code = birthplace_slug.upper()
        birthplace_data = _DATA["municipalities"].get(
            birthplace_slug,
            _DATA["countries"].get(
                birthplace_slug
            ),
        )
        if birthplace_data:
            return birthplace_data.get("code", "")
        if birthplace_code in _DATA["codes"]:
            return birthplace_code
        return ""

    birthplace_code = find_birthplace_code(birthplace) or find_birthplace_code(
        re.split(r",|\(", birthplace)[0]
    )

    if birthplace_code == "":
        raise ValueError(
            f"[codicefiscale] 'birthplace' argument not mapped to code: ('{birthplace}' -> '')"
        )

    return birthplace_code


def encode_cin(code):
    """
    Encodes cin to the code used in italian fiscal code.

    :param code: The code
    :type code: string

    :returns: The code used in italian fiscal code
    :rtype: string
    """
    if not code:
        raise ValueError("[codicefiscale] 'code' argument cant be None")

    code_len = len(code)
    if code_len not in [15, 16]:
        raise ValueError(
            f"[codicefiscale] 'code' length must be 15 or 16, not: {code_len}"
        )

    cin_tot = 0
    for i, char in enumerate(code[0:15]):
        cin_tot += _CIN[char][int(bool((i + 1) % 2))]
    cin_code = _CIN_REMAINDERS[cin_tot % 26]

    # print(cin_code)
    return cin_code


def encode(surname, name, sex, birthdate, birthplace):
    """
    Encodes the italian fiscal code.

    :param surname: The surname
    :type surname: string
    :param name: The name
    :type name: string
    :param sex: The sex, 'M' or 'F'
    :type sex: string
    :param birthdate: The birthdate
    :type birthdate: datetime or string
    :param birthplace: The birthplace
    :type birthplace: string

    :returns: The italian fiscal code
    :rtype: string
    """
    code = ""
    code += encode_surname(surname)
    code += encode_name(name)
    code += encode_birthdate(birthdate, sex)
    code += encode_birthplace(birthplace)
    code += encode_cin(code)

    # raise ValueError if code is not valid
    data = decode(code)
    return data["code"]


def decode_raw(code):
    """
    Decodes the raw data associated to the code.

    :param code: The code
    :type code: string

    :returns: The raw data associated to the code.
    :rtype: dict
    """
    code = slugify(code)
    code = code.replace("-", "")
    code = code.upper()

    m = CODICEFISCALE_RE.match(code)
    if not m:
        raise ValueError(f"[codicefiscale] invalid syntax: {code}")

    g = m.groups()
    # print(g)

    data = {
        "code": code,
        "surname": g[0],
        "name": g[1],
        "birthdate": g[2],
        "birthdate_year": g[3],
        "birthdate_month": g[4],
        "birthdate_day": g[5],
        "birthplace": g[6],
        "cin": g[7],
    }

    return data


def decode(code):
    """
    Decodes the italian fiscal code.

    :param code: The code
    :type code: string

    :returns: The data associated to the code and some additional info.
    :rtype: dict
    """
    raw = decode_raw(code)

    code = raw["code"]

    birthdate_year = raw["birthdate_year"].translate(_OMOCODIA_DECODE_TRANS)
    birthdate_month = _MONTHS.index(raw["birthdate_month"]) + 1
    birthdate_day = int(raw["birthdate_day"].translate(_OMOCODIA_DECODE_TRANS))

    if birthdate_day > 40:
        birthdate_day -= 40
        sex = "F"
    else:
        sex = "M"

    current_year = datetime.now().year
    current_year_century_prefix = str(current_year)[0:-2]
    birthdate_year_int = int(f"{current_year_century_prefix}{birthdate_year}")
    if birthdate_year_int > current_year:
        birthdate_year_int -= 100
    birthdate_year = str(birthdate_year_int)
    birthdate_str = f"{birthdate_year}/{birthdate_month}/{birthdate_day}"
    try:
        birthdate = datetime.strptime(birthdate_str, "%Y/%m/%d")
    except ValueError:
        raise ValueError(f"[codicefiscale] invalid date: {birthdate_str}")

    codes = _DATA["codes"].get(raw["birthplace"][0] + raw["birthplace"][1:].translate(_OMOCODIA_DECODE_TRANS))
    birthplace = None
    for c in codes:
        date_created = datetime.min
        try:
            date_created = datetime.strptime(c['date_created'], "%Y-%m-%d")
        except ValueError:
            date_created = datetime.min

        try:
            date_deleted = datetime.strptime(c['date_deleted'], "%Y-%m-%d")
        except ValueError:
            date_deleted = datetime.max
        if date_created <= birthdate and date_deleted >= birthdate:
            birthplace = c
            break

    cin = raw["cin"]
    cin_check = encode_cin(code)
    # print(cin, cin_check)
    if cin != cin_check:
        raise ValueError(
            f"[codicefiscale] wrong CIN (Control Internal Number): expected '{cin_check}', found '{cin}'"
        )

    data = {
        "code": code,
        "omocodes": _get_omocodes(code),
        "sex": sex,
        "birthdate": birthdate,
        "birthplace": birthplace,
        "raw": raw,
    }

    # print(data)
    return data


def is_omocode(code):
    """
    Determines whether the specified code is omocode or not.

    :param code: The code
    :type code: string

    :returns: True if the specified code is omocode, False otherwise.
    :rtype: boolean
    """
    data = decode(code)
    codes = data["omocodes"]
    codes.pop(0)
    return code in codes


def is_valid(code):
    """
    Determines whether the specified code is valid.

    :param code: The code
    :type code: string

    :returns: True if the specified code is valid, False otherwise.
    :rtype: boolean
    """
    try:
        decode(code)
        return True
    except ValueError:
        return False


1			# -- coding: utf-8 --
2
3			from datetime import datetime
4			from dateutil import parser as date_parser
5			from itertools import combinations
6			from slugify import slugify
7
8			import fsutil
9			import re
10			import string
11
12
13			_CONSONANTS = list("bcdfghjklmnpqrstvwxyz")
14			_VOWELS = list("aeiou")
15			_MONTHS = list("ABCDEHLMPRST")
16			_CIN = {
17			"0": (0, 1),
18			"1": (1, 0),
19			"2": (2, 5),
20			"3": (3, 7),
21			"4": (4, 9),
22			"5": (5, 13),
23			"6": (6, 15),
24			"7": (7, 17),
25			"8": (8, 19),
26			"9": (9, 21),
27			"A": (0, 1),
28			"B": (1, 0),
29			"C": (2, 5),
30			"D": (3, 7),
31			"E": (4, 9),
32			"F": (5, 13),
33			"G": (6, 15),
34			"H": (7, 17),
35			"I": (8, 19),
36			"J": (9, 21),
37			"K": (10, 2),
38			"L": (11, 4),
39			"M": (12, 18),
40			"N": (13, 20),
41			"O": (14, 11),
42			"P": (15, 3),
43			"Q": (16, 6),
44			"R": (17, 8),
45			"S": (18, 12),
46			"T": (19, 14),
47			"U": (20, 16),
48			"V": (21, 10),
49			"W": (22, 22),
50			"X": (23, 25),
51			"Y": (24, 24),
52			"Z": (25, 23),
53			}
54			_CIN_REMAINDERS = list(string.ascii_uppercase)
55
56			_OMOCODIA = {
57			"0": "L",
58			"1": "M",
59			"2": "N",
60			"3": "P",
61			"4": "Q",
62			"5": "R",
63			"6": "S",
64			"7": "T",
65			"8": "U",
66			"9": "V",
67			}
68			_OMOCODIA_DIGITS = "".join([digit for digit in _OMOCODIA])
69			_OMOCODIA_LETTERS = "".join([_OMOCODIA[digit] for digit in _OMOCODIA])
70			_OMOCODIA_ENCODE_TRANS = "".maketrans(_OMOCODIA_DIGITS, _OMOCODIA_LETTERS)
71			_OMOCODIA_DECODE_TRANS = "".maketrans(_OMOCODIA_LETTERS, _OMOCODIA_DIGITS)
72			_OMOCODIA_SUBS_INDEXES = list(reversed([6, 7, 9, 10, 12, 13, 14]))
73			_OMOCODIA_SUBS_INDEXES_COMBINATIONS = [[]]
74			for combo_size in range(1, len(_OMOCODIA_SUBS_INDEXES) + 1):
75			for combo in combinations(_OMOCODIA_SUBS_INDEXES, combo_size):
76			_OMOCODIA_SUBS_INDEXES_COMBINATIONS.append(list(combo))
77
78
79			def _get_data(filename):
80			return fsutil.read_file_json(fsutil.join_path(__file__, f"data/{filename}"))
81
82
83			def _get_indexed_data():
84			municipalities = _get_data("municipalities.json")
85			countries = _get_data("countries.json")
86			data = {
87			"municipalities": {},
88			"countries": {},
89			"codes": {},
90			}
91
92			for municipality in municipalities:
93			code = municipality["code"]
94			province = municipality["province"].lower()
95			names = municipality["name_slugs"]
96			for name in names:
97			data["municipalities"][name] = municipality
98			data["municipalities"][name + "-" + province] = municipality
99			if code not in data["codes"]:
100			data["codes"][code] = []
101			data["codes"][code].append(municipality)
102
103			for country in countries:
104			code = country["code"]
105			names = country["name_slugs"]
106			for name in names:
107			data["countries"][name] = country
108			if code not in data["codes"]:
109			data["codes"][code] = []
110			data["codes"][code].append(country)
111
112			return data
113
114
115			_DATA = _get_indexed_data()
116
117			CODICEFISCALE_RE = re.compile(
118			r"^"
119			r"([a-z]{3})"
120			r"([a-z]{3})"
121			r"(([a-z\d]{2})([abcdehlmprst]{1})([a-z\d]{2}))"
122			r"([a-z]{1}[a-z\d]{3})"
123			r"([a-z]{1})$",
124			re.IGNORECASE,
125			)
126
127
128			def _get_consonants(s):
129			return [char for char in s if char in _CONSONANTS]
130
131
132			def _get_vowels(s):
133			return [char for char in s if char in _VOWELS]
134
135
136			def _get_consonants_and_vowels(consonants, vowels):
137			return "".join(list(consonants[:3] + vowels[:3] + (["X"] * 3))[:3]).upper()
138
139
140			def _get_omocode(code, subs, trans):
141			code_chars = list(code[0:15])
142			for i in subs:
143			code_chars[i] = code_chars[i].translate(trans)
144			code = "".join(code_chars)
145			code_cin = encode_cin(code)
146			code += code_cin
147			return code
148
149
150			def _get_omocodes(code):
151			code_root = _get_omocode(
152			code, subs=_OMOCODIA_SUBS_INDEXES, trans=_OMOCODIA_DECODE_TRANS
153			)
154			codes = [
155			_get_omocode(code_root, subs=subs, trans=_OMOCODIA_ENCODE_TRANS)
156			for subs in _OMOCODIA_SUBS_INDEXES_COMBINATIONS
157			]
158			return codes
159
160
161			def encode_surname(surname):
162			"""
163			Encode surname to the code used in italian fiscal code.
164
165			:param surname: The surname
166			:type surname: string
167
168			:returns: The code used in italian fiscal code
169			:rtype: string
170			"""
171			surname_slug = slugify(surname)
172			surname_consonants = _get_consonants(surname_slug)
173			surname_vowels = _get_vowels(surname_slug)
174			surname_code = _get_consonants_and_vowels(surname_consonants, surname_vowels)
175			return surname_code
176
177
178			def encode_name(name):
179			"""
180			Encodes name to the code used in italian fiscal code.
181
182			:param name: The name
183			:type name: string
184
185			:returns: The code used in italian fiscal code
186			:rtype: string
187			"""
188			name_slug = slugify(name)
189			name_consonants = _get_consonants(name_slug)
190
191			if len(name_consonants) > 3:
192			del name_consonants[1]
193
194			name_vowels = _get_vowels(name_slug)
195			name_code = _get_consonants_and_vowels(name_consonants, name_vowels)
196			return name_code
197
198
199			def encode_birthdate(birthdate, sex):
200			"""
201			Encodes birthdate to the code used in italian fiscal code.
202
203			:param birthdate: The birthdate
204			:type birthdate: datetime or string
205			:param sex: The sex, 'M' or 'F'
206			:type sex: string
207
208			:returns: The code used in italian fiscal code
209			:rtype: string
210			"""
211			if not birthdate:
212			raise ValueError("[codicefiscale] 'birthdate' argument cant be None")
213
214			if not sex:
215			raise ValueError("[codicefiscale] 'sex' argument cant be None")
216
217			sex = sex.upper()
218
219			if sex not in ["M", "F"]:
220			raise ValueError("[codicefiscale] 'sex' argument must be 'M' or 'F'")
221
222			if isinstance(birthdate, datetime):
223			date_obj = birthdate
224			else:
225			date_slug = slugify(birthdate)
226			date_parts = date_slug.split("-")[:3]
227			date_kwargs = (
228			{"yearfirst": True} if len(date_parts[0]) == 4 else {"dayfirst": True}
229			)
230			try:
231			date_obj = date_parser.parse(date_slug, **date_kwargs)
232			except ValueError as e:
233			raise ValueError(f"[codicefiscale] {e}")
234
235			year_code = str(date_obj.year)[2:]
236			month_code = _MONTHS[date_obj.month - 1]
237			day_code = str(date_obj.day + (40 if sex == "F" else 0)).zfill(2).upper()
238			date_code = year_code + month_code + day_code
239			return date_code
240
241
242			def encode_birthplace(birthplace):
243			"""
244			Encodes birthplace to the code used in italian fiscal code.
245
246			:param birthplace: The birthplace
247			:type birthplace: string
248
249			:returns: The code used in italian fiscal code
250			:rtype: string
251			"""
252			if not birthplace:
253			raise ValueError("[codicefiscale] 'birthplace' argument cant be None")
254
255			def find_birthplace_code(birthplace):
256			birthplace_slug = slugify(birthplace)
257			birthplace_code = birthplace_slug.upper()
258			birthplace_data = _DATA["municipalities"].get(
259			birthplace_slug,
260			_DATA["countries"].get(
261			birthplace_slug
262			),
263			)
264			if birthplace_data:
265			return birthplace_data.get("code", "")
266			if birthplace_code in _DATA["codes"]:
267			return birthplace_code
268			return ""
269
270			birthplace_code = find_birthplace_code(birthplace) or find_birthplace_code(
271			re.split(r",\|\(", birthplace)[0]
272			)
273
274			if birthplace_code == "":
275			raise ValueError(
276			f"[codicefiscale] 'birthplace' argument not mapped to code: ('{birthplace}' -> '')"
277			)
278
279			return birthplace_code
280
281
282			def encode_cin(code):
283			"""
284			Encodes cin to the code used in italian fiscal code.
285
286			:param code: The code
287			:type code: string
288
289			:returns: The code used in italian fiscal code
290			:rtype: string
291			"""
292			if not code:
293			raise ValueError("[codicefiscale] 'code' argument cant be None")
294
295			code_len = len(code)
296			if code_len not in [15, 16]:
297			raise ValueError(
298			f"[codicefiscale] 'code' length must be 15 or 16, not: {code_len}"
299			)
300
301			cin_tot = 0
302			for i, char in enumerate(code[0:15]):
303			cin_tot += _CIN[char][int(bool((i + 1) % 2))]
304			cin_code = _CIN_REMAINDERS[cin_tot % 26]
305
306			# print(cin_code)
307			return cin_code
308
309
310			def encode(surname, name, sex, birthdate, birthplace):
311			"""
312			Encodes the italian fiscal code.
313
314			:param surname: The surname
315			:type surname: string
316			:param name: The name
317			:type name: string
318			:param sex: The sex, 'M' or 'F'
319			:type sex: string
320			:param birthdate: The birthdate
321			:type birthdate: datetime or string
322			:param birthplace: The birthplace
323			:type birthplace: string
324
325			:returns: The italian fiscal code
326			:rtype: string
327			"""
328			code = ""
329			code += encode_surname(surname)
330			code += encode_name(name)
331			code += encode_birthdate(birthdate, sex)
332			code += encode_birthplace(birthplace)
333			code += encode_cin(code)
334
335			# raise ValueError if code is not valid
336			data = decode(code)
337			return data["code"]
338
339
340			def decode_raw(code):
341			"""
342			Decodes the raw data associated to the code.
343
344			:param code: The code
345			:type code: string
346
347			:returns: The raw data associated to the code.
348			:rtype: dict
349			"""
350			code = slugify(code)
351			code = code.replace("-", "")
352			code = code.upper()
353
354			m = CODICEFISCALE_RE.match(code)
355			if not m:
356			raise ValueError(f"[codicefiscale] invalid syntax: {code}")
357
358			g = m.groups()
359			# print(g)
360
361			data = {
362			"code": code,
363			"surname": g[0],
364			"name": g[1],
365			"birthdate": g[2],
366			"birthdate_year": g[3],
367			"birthdate_month": g[4],
368			"birthdate_day": g[5],
369			"birthplace": g[6],
370			"cin": g[7],
371			}
372
373			return data
374
375
376			def decode(code):
377			"""
378			Decodes the italian fiscal code.
379
380			:param code: The code
381			:type code: string
382
383			:returns: The data associated to the code and some additional info.
384			:rtype: dict
385			"""
386			raw = decode_raw(code)
387
388			code = raw["code"]
389
390			birthdate_year = raw["birthdate_year"].translate(_OMOCODIA_DECODE_TRANS)
391			birthdate_month = _MONTHS.index(raw["birthdate_month"]) + 1
392			birthdate_day = int(raw["birthdate_day"].translate(_OMOCODIA_DECODE_TRANS))
393
394			if birthdate_day > 40:
395			birthdate_day -= 40
396			sex = "F"
397			else:
398			sex = "M"
399
400			current_year = datetime.now().year
401			current_year_century_prefix = str(current_year)[0:-2]
402			birthdate_year_int = int(f"{current_year_century_prefix}{birthdate_year}")
403			if birthdate_year_int > current_year:
404			birthdate_year_int -= 100
405			birthdate_year = str(birthdate_year_int)
406			birthdate_str = f"{birthdate_year}/{birthdate_month}/{birthdate_day}"
407			try:
408			birthdate = datetime.strptime(birthdate_str, "%Y/%m/%d")
409			except ValueError:
410			raise ValueError(f"[codicefiscale] invalid date: {birthdate_str}")
411
412			codes = _DATA["codes"].get(raw["birthplace"][0] + raw["birthplace"][1:].translate(_OMOCODIA_DECODE_TRANS))
413			birthplace = None
414			for c in codes:
415			date_created = datetime.min
416			try:
417			date_created = datetime.strptime(c['date_created'], "%Y-%m-%d")
418			except ValueError:
419			date_created = datetime.min
420
421			try:
422			date_deleted = datetime.strptime(c['date_deleted'], "%Y-%m-%d")
423			except ValueError:
424			date_deleted = datetime.max
425			if date_created <= birthdate and date_deleted >= birthdate:
426			birthplace = c
427			break
428
429			cin = raw["cin"]
430			cin_check = encode_cin(code)
431			# print(cin, cin_check)
432			if cin != cin_check:
433			raise ValueError(
434			f"[codicefiscale] wrong CIN (Control Internal Number): expected '{cin_check}', found '{cin}'"
435			)
436
437			data = {
438			"code": code,
439			"omocodes": _get_omocodes(code),
440			"sex": sex,
441			"birthdate": birthdate,
442			"birthplace": birthplace,
443			"raw": raw,
444			}
445
446			# print(data)
447			return data
448
449
450			def is_omocode(code):
451			"""
452			Determines whether the specified code is omocode or not.
453
454			:param code: The code
455			:type code: string
456
457			:returns: True if the specified code is omocode, False otherwise.
458			:rtype: boolean
459			"""
460			data = decode(code)
461			codes = data["omocodes"]
462			codes.pop(0)
463			return code in codes
464
465
466			def is_valid(code):
467			"""
468			Determines whether the specified code is valid.
469
470			:param code: The code
471			:type code: string
472
473			:returns: True if the specified code is valid, False otherwise.
474			:rtype: boolean
475			"""
476			try:
477			decode(code)
478			return True
479			except ValueError:
480			return False
481

fabiocaccamo / python-codicefiscale

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codicefiscale.codicefiscale.decode() C

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