csb43.utils

Note

license: GNU Lesser General Public License v3.0 (see LICENSE)

exception csb43.utils.Csb43Exception(value)
class csb43.utils.CurrencyLite(alpha_3, numeric)
csb43.utils.b_left_pad(bvalue, n, fill=b' ')
csb43.utils.b_right_pad(bvalue, n, fill=b' ')
csb43.utils.check_strict(pattern)

Note

decorator

Parameters:
  • pattern (basestring) – pattern description using regular expressions
  • field – variable to be checked
  • strict (bool) – treat exceptions as warnings if False
Raises:

Csb43Exception if field doesn’t match pattern and strict is True
csb43.utils.check_string(pattern='', field='', strict=True, **csbexc)
Parameters:
  • pattern (basestring) – pattern description using regular expressions
  • field – variable to be checked
  • strict (bool) – treat exceptions as warnings if False
Raises:

Csb43Exception if field doesn’t match pattern and strict is True
csb43.utils.currency2raw(value, decimal=2)

Convert a real to the CSB amount format

Args:
value (float) – quantity as a real number decimal (int) – number of digits reserved for decimal numbers
Return:
tuple of absolute amount and debit flag

Examples:

>>> currency2raw(-123.456)
(12345L, '1')
>>> currency2raw(123.45)
(12345L, '2')
csb43.utils.currencyISO(numeric)
Parameters:code (str) – a ISO 4217 numeric code
Return type:pycountry.db.Currency object from its numeric code
csb43.utils.currencyISOByLetter(alpha_3)
Parameters:code (str) – a ISO 4217 numeric code
Return type:pycountry.db.Currency object from its numeric code
csb43.utils.date2raw(value, yearFirst=True)

Convert a datetime.date / datetime.datetime object to a CSB formatted date

Args:
value (datetime.datetime, datetime.date) – datetime object yearFirst (bool) – if False, consider the CSB format is DDMMYY instead of YYMMDD
Return:
(str) the CSB date

Examples:

>>> a = raw2date('020301')
>>> date2raw(a)
'020301'
csb43.utils.export_currency_code(value)
csb43.utils.export_date(value)
csb43.utils.export_decimal(value, fallback=None)
csb43.utils.isCurrency(obj)
csb43.utils.nullable(f)
csb43.utils.raiseCsb43Exception(value='', strict=False, silent=False, **kwargs)

raise a Csb43Exception or print the exception’s message to standard error

Parameters:
  • value – message of the exception
  • strict – print to standard error instead of raising an exception if not strict
Raises:

Csb43Exception
csb43.utils.raw2currency(value, decimal=2, debit='2')

Format the CSB composite type for amounts as a real number

Args:
value (long or str) – absolute amount without decimal separator decimal (int) – number of digits reserved for decimal numbers debit (‘1’,‘2’) – ‘1’ debit, ‘2’ credit
Return:
(float) the amount as a real number

Examples:

>>> raw2currency('123456')
1234.56
>>> raw2currency('12345',debit='1')
-123.45
csb43.utils.raw2date(value, yearFirst=True)

Convert the CSB date format to a datetime.date object

Args:
value (str) – date using the CSB format yearFirst (bool) – if False, consider the CSB format is DDMMYY instead of YYMMDD
Return:
(datetime.date) the date object

Examples:

>>> raw2date('020301')
datetime.date(2002, 3, 1)