/usr/share/pyshared/kinterbasdb/typeconv_fixed_stdlib.py is in python-kinterbasdb 3.3.0-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 | # KInterbasDB Python Package - Type Conv : Fixed/Standard Library
#
# Version 3.3
#
# The following contributors hold Copyright (C) over their respective
# portions of code (see license.txt for details):
#
# [Original Author (maintained through version 2.0-0.3.1):]
# 1998-2001 [alex] Alexander Kuznetsov <alexan@users.sourceforge.net>
# [Maintainers (after version 2.0-0.3.1):]
# 2001-2002 [maz] Marek Isalski <kinterbasdb@maz.nu>
# 2002-2006 [dsr] David Rushby <woodsplitter@rocketmail.com>
# [Contributors:]
# 2001 [eac] Evgeny A. Cherkashin <eugeneai@icc.ru>
# 2001-2002 [janez] Janez Jere <janez.jere@void.si>
__all__ = (
# kinterbasdb-native fixed point converters (old, precison_mode style):
'fixed_conv_in_imprecise', 'fixed_conv_in_precise',
'fixed_conv_out_imprecise', 'fixed_conv_out_precise',
)
import sys
from kinterbasdb.k_exceptions import *
################################################################################
## FIXED POINT
################################################################################
_tenTo = [10**x for x in range(20)]
del x
# The fixed point input funcions are GUARANTEED to receive a single parameter
# that is a 2-tuple of the form: (original input object, scale).
# The original input object may, of course, be None.
def fixed_conv_in_imprecise((val, scale)):
if val is None or isinstance(val, basestring): # Allow implicit param conv.
return val
if not isinstance(val, (float, int, long)):
raise InterfaceError(
'float required as input for fixed point field in imprecise mode.'
)
absScale = abs(scale)
return int(round(val, absScale) * _tenTo[absScale])
def fixed_conv_in_precise((val, scale)):
if val is None or isinstance(val, basestring): # Allow implicit param conv.
return val
if not isinstance(val, (int, long)):
raise InterfaceError(
'int or long required as input for fixed point field in precise mode.'
)
# $val is already a scaled integer; just pass it through.
return val
# The fixed point output funcions receive a single parameter that is either
# - None (if the SQL value is NULL), or
# - a 2-tuple of the form: (scaled integer value, scale)
def fixed_conv_out_imprecise(x):
# Return a floating point representation of the scaled integer.
if x is None:
return None
(val, scale) = x
if scale == 0:
return val # Don't convert to float if no decimal places.
return float(val) / _tenTo[abs(scale)]
def fixed_conv_out_precise(x):
# Simply return the scaled integer, not interpreted in any way.
if x is None:
return None
return x[0]
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