/usr/lib/python2.7/dist-packages/liblas/guid.py is in python-liblas 1.8.0-7build1.
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/******************************************************************************
* $Id$
*
* Project: libLAS - http://liblas.org - A BSD library for LAS format data.
* Purpose: Python LASGUID implementation
* Author: Howard Butler, hobu.inc@gmail.com
*
******************************************************************************
* Copyright (c) 2009, Howard Butler
*
* 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.
* * Neither the name of the Martin Isenburg or Iowa Department
* of Natural Resources nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* 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 OWNER 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.
****************************************************************************/
"""
from . import core
class GUID(object):
def __init__(self, key=None, handle=None):
"""
:keyword key: GUID string to create with
:type key: string
:keyword handle: raw ctypes object
>>> from liblas import guid
>>> from liblas import header
>>> g2 = guid.GUID(key='8388f1b8-aa1b-4108-bca3-6bc68e7b062e')
>>> g2
8388f1b8-aa1b-4108-bca3-6bc68e7b062e
>>> header = header.Header()
>>> header.guid = g2
>>> header.guid
8388f1b8-aa1b-4108-bca3-6bc68e7b062e
>>> header.project_id
'8388f1b8-aa1b-4108-bca3-6bc68e7b062e'
>>> g3 = guid.GUID(key='8388f1b8-aa1b-4108-bca3-6bc68e7b062e')
>>> g2 == g3
True
.. note::
In Python 2.5+, you can use the :mod:`uuid` module to control the
creation of UUIDs in alternative ways. Otherwise, the GUID()
constructor will create them for you, but rather simply.
"""
self.handle = None
if handle:
self.handle = handle
else:
if not key:
self.handle = core.las.LASGuid_Create()
else:
self.handle = core.las.LASGuid_CreateFromString(key)
def __del__(self):
if self.handle:
core.las.LASGuid_Destroy(self.handle)
def __str__(self):
"""String representation of the GUID"""
return core.las.LASGuid_AsString(self.handle).decode()
def __eq__(self, other):
"""Test GUID for equality against another :obj:`liblas.guid.GUID`
instance
:param other: The :obj:`liblas.guid.GUID` instance to test against
"""
if isinstance(other, GUID):
return bool(core.las.LASGuid_Equals(self.handle, other.handle))
raise core.LASException("GUID can only be compared to other "
"GUIDs, not %s" % type(other))
def __repr__(self):
return self.__str__()
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