/usr/share/pyshared/kinterbasdb/typeconv_datetime_stdlib.py is in python-kinterbasdb 3.3.0-3.
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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 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 | # KInterbasDB Python Package - Type Conv : DateTime/Python 2.3+ Standard Library
#
# Version 3.1
#
# 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>
# 2002-2004 [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 date and time converters:
'date_conv_in', 'date_conv_out',
'time_conv_in', 'time_conv_out',
'timestamp_conv_in', 'timestamp_conv_out',
# DB API 2.0 standard date and time type constructors:
'Date', 'Time', 'Timestamp',
'DateFromTicks', 'TimeFromTicks', 'TimestampFromTicks',
)
from kinterbasdb.k_exceptions import *
# THIS CONVERSION MODULE IS NOT EXPECTED TO WORK WITH < PYTHON 2.3,
# since it uses the standard datetime module for its date/time operations.
import datetime as dt
################################################################################
## DATE AND TIME
################################################################################
# kinterbasdb-native date and time converters:
def date_conv_in(dtObj):
# Allow implicit param conv:
if dtObj is None or isinstance(dtObj, basestring):
return dtObj
if not isinstance(dtObj, dt.date):
raise InterfaceError(
'Required type: %s ; supplied type: %s'
% ( str(dt.date), str(type(dtObj)) )
)
return dtObj.timetuple()[:3]
def date_conv_out(dateTuple):
if dateTuple is None:
return None
return dt.date(*dateTuple)
def time_conv_in(tmObj):
# Allow implicit param conv:
if tmObj is None or isinstance(tmObj, basestring):
return tmObj
if not isinstance(tmObj, dt.time):
raise InterfaceError(
'Required type: %s ; supplied type: %s'
% ( str(dt.time), str(type(tmObj)) )
)
timeTuple = (tmObj.hour, tmObj.minute, tmObj.second, tmObj.microsecond)
return timeTuple
def time_conv_out(timeTuple):
if timeTuple is None:
return None
return dt.time(*timeTuple)
def timestamp_conv_in(tsObj):
# Allow implicit param conv:
if tsObj is None or isinstance(tsObj, basestring):
return tsObj
if not isinstance(tsObj, dt.datetime):
raise InterfaceError(
'Required type: %s ; supplied type: %s'
% ( str(dt.datetime), str(type(tsObj)) )
)
timestampTuple = (
tsObj.year, tsObj.month, tsObj.day,
tsObj.hour, tsObj.minute, tsObj.second, tsObj.microsecond
)
return timestampTuple
def timestamp_conv_out(timestampTuple):
if timestampTuple is None:
return None
return dt.datetime(*timestampTuple)
# DB API 2.0 standard date and time type constructors:
def _makeFilteredConstructor(underlyingConstructor):
def Constructor(*args, **kwargs):
try:
return underlyingConstructor(*args, **kwargs)
except ValueError, e:
raise DataError(str(e))
return Constructor
Date = _makeFilteredConstructor(dt.date)
Time = _makeFilteredConstructor(dt.time)
Timestamp = _makeFilteredConstructor(dt.datetime)
DateFromTicks = _makeFilteredConstructor(dt.date.fromtimestamp)
TimeFromTicks = _makeFilteredConstructor(lambda ticks: TimestampFromTicks(ticks).time())
TimestampFromTicks = _makeFilteredConstructor(dt.datetime.fromtimestamp)
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