/usr/lib/python2.7/dist-packages/trytond/model/fields/float.py is in tryton-server 3.8.3-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# this repository contains the full copyright notices and license terms.
from sql import Query, Expression
from ... import backend
from .field import Field, SQLType
from ...pyson import PYSON
def digits_validate(value):
if value:
assert isinstance(value, tuple), 'digits must be a tuple'
for i in value:
assert isinstance(i, (int, long, PYSON)), \
'digits must be tuple of integers or PYSON'
if isinstance(i, PYSON):
assert i.types().issubset(set([int, long])), \
'PYSON digits must return an integer'
class Float(Field):
'''
Define a float field (``float``).
'''
_type = 'float'
def __init__(self, string='', digits=None, help='', required=False,
readonly=False, domain=None, states=None, select=False,
on_change=None, on_change_with=None, depends=None,
context=None, loading='eager'):
'''
:param digits: a list of two integers defining the total
of digits and the number of decimals of the float.
'''
super(Float, self).__init__(string=string, help=help,
required=required, readonly=readonly, domain=domain, states=states,
select=select, on_change=on_change, on_change_with=on_change_with,
depends=depends, context=context, loading=loading)
self.__digits = None
self.digits = digits
__init__.__doc__ += Field.__init__.__doc__
def _get_digits(self):
return self.__digits
def _set_digits(self, value):
digits_validate(value)
self.__digits = value
digits = property(_get_digits, _set_digits)
@staticmethod
def sql_format(value):
if isinstance(value, (Query, Expression)):
return value
if value is None:
return None
return float(value)
def sql_type(self):
db_type = backend.name()
if db_type == 'postgresql':
return SQLType('FLOAT8', 'FLOAT8')
elif db_type == 'mysql':
return SQLType('DOUBLE', 'DOUBLE(255, 15)')
else:
return SQLType('FLOAT', 'FLOAT')
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