Source code for mt940.parser
# vim: fileencoding=utf-8:
'''
Format
---------------------
Sources:
.. _Swift for corporates: http://www.sepaforcorporates.com/\
swift-for-corporates/account-statement-mt940-file-format-overview/
.. _Rabobank MT940: https://www.rabobank.nl/images/\
formaatbeschrijving_swift_bt940s_1_0_nl_rib_29539296.pdf
- `Swift for corporates`_
- `Rabobank MT940`_
::
[] = optional
! = fixed length
a = Text
x = Alphanumeric, seems more like text actually. Can include special
characters (slashes) and whitespace as well as letters and numbers
d = Numeric separated by decimal (usually comma)
c = Code list value
n = Numeric
'''
import os
import mt940
[docs]def parse(src, encoding=None, processors=None, tags=None):
'''
Parses mt940 data and returns transactions object
:param src: file handler to read, filename to read or raw data as string
:return: Collection of transactions
:rtype: Transactions
'''
def safe_is_file(filename):
try:
return os.path.isfile(src)
except ValueError: # pragma: no cover
return False
if hasattr(src, 'read'): # pragma: no branch
data = src.read()
elif safe_is_file(src):
with open(src, 'rb') as fh:
data = fh.read()
else: # pragma: no cover
data = src
if hasattr(data, 'decode'): # pragma: no branch
exception = None
encodings = [encoding, 'utf-8', 'cp852', 'iso8859-15', 'latin1']
for encoding in encodings: # pragma: no cover
if not encoding:
continue
try:
data = data.decode(encoding)
break
except UnicodeDecodeError as e:
exception = e
except UnicodeEncodeError:
break
else:
raise exception # pragma: no cover
transactions = mt940.models.Transactions(processors, tags)
transactions.parse(data)
return transactions