98 lines
4.9 KiB
Python
98 lines
4.9 KiB
Python
# Society Self-Service
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# Copyright © 2018–2020 Yingtong Li (RunasSudo)
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero 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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# (at your option) any later version.
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#
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# This program 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 Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <https://www.gnu.org/licenses/>.
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# https://www.brad-smith.info/blog/archives/405
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# https://www.cemtexaba.com/aba-format/cemtex-aba-file-format-details
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# https://ddkonline.blogspot.com/2009/01/aba-bank-payment-file-format-australian.html
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class ABAException(Exception):
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pass
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def write_descriptive(f, reel_seq=1, bank_name='', user_name='', bank_code=0, description='', date=None):
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if reel_seq < 0 or reel_seq > 99:
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raise ABAException('Invalid Reel Sequence Number: {}'.format(reel_seq))
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if len(bank_name) > 3:
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raise ABAException('Invalid Financial Institution abbreviation: {}'.format(bank_name))
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if len(user_name) > 26:
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raise ABAException('Invalid User Preferred Specification: {}'.format(user_name))
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if bank_code < 0 or bank_code > 999999:
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raise ABAException('Invalid User Identification Number: {}'.format(bank_code))
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if len(description) > 12:
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raise ABAException('Invalid Description: {}'.format(description))
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f.write(b'0') # Record Type 0
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f.write(b' ' * 17) # Blank
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f.write('{:02}'.format(reel_seq).encode('ascii')) # Reel Sequence Number
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f.write('{: <3}'.format(bank_name).encode('ascii')) # Financial Institution abbreviation
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f.write(b' ' * 7) # Blank
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f.write('{: <26}'.format(user_name).encode('ascii')) # User Preferred Specification
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f.write('{:06}'.format(bank_code).encode('ascii')) # User Identification Number
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f.write('{: <12}'.format(description).encode('ascii')) # Description
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f.write(date.strftime('%d%m%y').encode('ascii')) # Date
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f.write(b' ' * 40) # Blank
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f.write(b'\r\n')
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def write_detail(f, dest_bsb='', dest_account='', indicator=' ', transaction_code=53, cents=0, dest_name='', reference='', src_bsb='', src_account='', src_name='', tax_withheld=0):
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dest_bsb = dest_bsb.replace('-', '').replace(' ', '')
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dest_account = dest_account.replace('-', '').replace(' ', '')
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src_bsb = src_bsb.replace('-', '').replace(' ', '')
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src_account = src_account.replace('-', '').replace(' ', '')
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if len(dest_bsb) != 6:
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raise ABAException('Invalid BSB: {}'.format(dest_bsb))
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if len(dest_account) > 9:
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raise ABAException('Invalid Account Number: {}'.format(dest_account))
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if len(indicator) != 1:
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raise ABAException('Invalid Indicator: {}'.format(indicator))
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if transaction_code < 0 or transaction_code > 99:
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raise ABAException('Invalid Transaction Code: {}'.format(indicator))
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if len(dest_name) > 32:
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raise ABAException('Invalid Title of Account: {}'.format(dest_name))
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if len(reference) > 18:
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raise ABAException('Invalid Lodgement Reference: {}'.format(reference))
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if len(src_bsb) != 6:
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raise ABAException('Invalid Trace BSB: {}'.format(src_bsb))
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if len(src_account) > 9:
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raise ABAException('Invalid Trace Account Number: {}'.format(src_account))
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if len(src_name) > 16:
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raise ABAException('Invalid Name of Remitter: {}'.format(src_name))
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f.write(b'1') # Record Type 1
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f.write('{}-{}'.format(dest_bsb[:3], dest_bsb[-3:]).encode('ascii')) # BSB
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f.write('{: >9}'.format(dest_account).encode('ascii')) # Account Number
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f.write(indicator.encode('ascii')) # Indicator
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f.write('{:02}'.format(transaction_code).encode('ascii')) # Transaction Code
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f.write('{:010}'.format(round(cents)).encode('ascii')) # Amount
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f.write('{: <32}'.format(dest_name).encode('ascii')) # Title of Account
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f.write('{: <18}'.format(reference).encode('ascii')) # Lodgement Reference
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f.write('{}-{}'.format(src_bsb[:3], src_bsb[-3:]).encode('ascii')) # Trace BSB
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f.write('{: >9}'.format(src_account).encode('ascii')) # Trace Account Number
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f.write('{: <16}'.format(src_name).encode('ascii')) # Name of Remitter
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f.write('{:08}'.format(round(tax_withheld)).encode('ascii')) # Amount of Withholding Tax
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f.write(b'\r\n')
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def write_total(f, credit_cents=0, num_detail_records=0):
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f.write(b'7') # Record Type 7
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f.write(b'999-999') # BSB Format Filler
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f.write(b' ' * 12) # Blank
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f.write('{:010}'.format(round(credit_cents)).encode('ascii')) # File (User) Net Total Amount
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f.write('{:010}'.format(round(credit_cents)).encode('ascii')) # File (User) Credit Total Amount
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f.write(b'0' * 10) # File (User) Debit Total Amount
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f.write(b' ' * 24) # Blank
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f.write('{:06}'.format(num_detail_records).encode('ascii')) # File (user) count of Records Type 1
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f.write(b' ' * 40) # Blank
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f.write(b'\r\n')
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