Delete filetimes.py

py2-kms/filetimes.py

@@ -1,105 +0,0 @@
-#!/usr/bin/env python
-
-# Copyright (c) 2009, David Buxton <david@gasmark6.com>
-# All rights reserved.
-# 
-# Redistribution and use in source and binary forms, with or without
-# modification, are permitted provided that the following conditions are
-# met:
-# 
-#     * Redistributions of source code must retain the above copyright
-# notice, this list of conditions and the following disclaimer.
-#     * Redistributions in binary form must reproduce the above copyright
-# notice, this list of conditions and the following disclaimer in the
-# documentation and/or other materials provided with the distribution.
-# 
-# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
-# IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
-# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
-# PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-# HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
-# TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
-# PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
-# LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
-# NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-"""Tools to convert between Python datetime instances and Microsoft times.
-"""
-from datetime import datetime, timedelta, tzinfo
-from calendar import timegm
-
-
-# http://support.microsoft.com/kb/167296
-# How To Convert a UNIX time_t to a Win32 FILETIME or SYSTEMTIME
-EPOCH_AS_FILETIME = 116444736000000000  # January 1, 1970 as MS file time
-HUNDREDS_OF_NANOSECONDS = 10000000
-
-
-ZERO = timedelta(0)
-HOUR = timedelta(hours=1)
-
-
-class UTC(tzinfo):
-        """UTC"""
-        def utcoffset(self, dt):
-                return ZERO
-
-        def tzname(self, dt):
-                return "UTC"
-
-        def dst(self, dt):
-                return ZERO
-
-
-utc = UTC()
-
-
-def dt_to_filetime(dt):
-        """Converts a datetime to Microsoft filetime format. If the object is
-        time zone-naive, it is forced to UTC before conversion.
-
-        >>> "%.0f" % dt_to_filetime(datetime(2009, 7, 25, 23, 0))
-        '128930364000000000'
-
-        >>> "%.0f" % dt_to_filetime(datetime(1970, 1, 1, 0, 0, tzinfo=utc))
-        '116444736000000000'
-
-        >>> "%.0f" % dt_to_filetime(datetime(1970, 1, 1, 0, 0))
-        '116444736000000000'
-        
-        >>> dt_to_filetime(datetime(2009, 7, 25, 23, 0, 0, 100))
-        128930364000001000
-        """
-        if (dt.tzinfo is None) or (dt.tzinfo.utcoffset(dt) is None):
-                dt = dt.replace(tzinfo=utc)
-        ft = EPOCH_AS_FILETIME + (timegm(dt.timetuple()) * HUNDREDS_OF_NANOSECONDS)
-        return ft + (dt.microsecond * 10)
-
-
-def filetime_to_dt(ft):
-        """Converts a Microsoft filetime number to a Python datetime. The new
-        datetime object is time zone-naive but is equivalent to tzinfo=utc.
-
-        >>> filetime_to_dt(116444736000000000)
-        datetime.datetime(1970, 1, 1, 0, 0)
-
-        >>> filetime_to_dt(128930364000000000)
-        datetime.datetime(2009, 7, 25, 23, 0)
-        
-        >>> filetime_to_dt(128930364000001000)
-        datetime.datetime(2009, 7, 25, 23, 0, 0, 100)
-        """
-        # Get seconds and remainder in terms of Unix epoch
-        (s, ns100) = divmod(ft - EPOCH_AS_FILETIME, HUNDREDS_OF_NANOSECONDS)
-        # Convert to datetime object
-        dt = datetime.utcfromtimestamp(s)
-        # Add remainder in as microseconds. Python 3.2 requires an integer
-        dt = dt.replace(microsecond=(ns100 // 10))
-        return dt
-
-
-if __name__ == "__main__":
-        import doctest
-        
-        doctest.testmod()