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import os |
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2
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import random |
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3
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import shutil |
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4
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from datetime import datetime |
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5
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from uuid import UUID |
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6
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7
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from satcfdi import Signer, DatePeriod |
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9
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10
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def to_date_period(periodo): |
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11
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if not periodo: |
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12
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return DatePeriod(year=None) |
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14
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fmt, period = try_parsing_date(periodo) |
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15
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if fmt == '%Y': |
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return DatePeriod(period.year) |
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if fmt == '%Y-%m': |
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return DatePeriod(period.year, period.month) |
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if fmt == '%Y-%m-%d': |
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return DatePeriod(period.year, period.month, period.day) |
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22
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23
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def try_parsing_date(text): |
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for fmt in ('%Y', '%Y-%m', '%Y-%m-%d'): |
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try: |
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return fmt, datetime.strptime(text, fmt) |
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except ValueError: |
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pass |
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return None, None |
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31
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32
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def to_uuid(s): |
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33
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try: |
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return UUID(s) |
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except ValueError: |
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return None |
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38
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39
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def to_int(s): |
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40
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try: |
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return int(s) |
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except ValueError: |
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return None |
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45
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46
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def random_string(): |
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chars = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ" |
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48
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return "".join(random.choice(chars) for _ in range(32)) |
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49
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50
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51
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def convert_ans1_date(ans1_date): |
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52
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return datetime.strptime(ans1_date.decode('utf-8'), '%Y%m%d%H%M%SZ') |
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53
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54
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55
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def cert_info(signer: Signer): |
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56
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if signer: |
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57
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return { |
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58
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"NoCertificado": signer.certificate_number, |
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# "Tipo": str(signer.type), |
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60
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# |
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61
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# "organizationName": signer.certificate.get_subject().O, |
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62
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# "x500UniqueIdentifier": signer.certificate.get_subject().x500UniqueIdentifier, |
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63
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# "serialNumber": signer.certificate.get_subject().serialNumber, |
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64
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# "organizationUnitName": signer.certificate.get_subject().OU, |
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# "emailAddress": signer.certificate.get_subject().emailAddress, |
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# |
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"Expira": convert_ans1_date(signer.certificate.get_notAfter()), |
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"Creado": convert_ans1_date(signer.certificate.get_notBefore()), |
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69
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} |
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70
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71
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72
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def find_best_match(cases, dp: DatePeriod) -> (datetime, object): |
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73
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fk, fv = (None, None) |
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74
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for k, v in cases.items(): |
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k = datetime.strptime(k, '%Y-%m') |
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if k <= dp: |
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if fk is None or k > fk: |
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fk, fv = k, v |
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return fk, fv |
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80
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81
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82
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def clear_directory(directory): |
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83
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shutil.rmtree(directory, ignore_errors=True) |
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84
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os.makedirs(directory, exist_ok=True) |
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85
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86
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87
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# calculate the number of months between two dates |
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88
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def months_between(d1, d2): |
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89
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return (d1.year - d2.year) * 12 + d1.month - d2.month |
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90
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91
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92
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def add_month(dp: DatePeriod, months): |
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93
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year, month = divmod(dp.year * 12 + dp.month + months - 1, 12) |
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94
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month += 1 |
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95
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return DatePeriod(year, month) |
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96
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97
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98
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def load_certificate(data): |
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if 'data' in data: |
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100
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return Signer.load_pkcs12( |
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**data, |
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102
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) |
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103
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else: |
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104
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return Signer.load( |
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105
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**data, |
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106
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) |
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107
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108
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109
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def first_duplicate(seq): |
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110
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seen = set() |
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111
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for x in seq: |
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112
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if x in seen: |
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113
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return x |
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114
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seen.add(x) |
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115
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return None |
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116
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117
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118
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def parse_rango(rango): |
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119
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if rango == "": |
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120
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return 1, None |
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121
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if rango.isdigit(): |
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122
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return int(rango), int(rango) |
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123
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if "-" in rango: |
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124
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start, end = rango.split("-") |
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125
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return int(start), int(end) |
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126
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SAT-CFDI /
python-satdigitalinvoice
