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Added a Python script for generating unique context ids for creating …
…context sensitive help. The script requires Python 2.5. See comments at the head of the script for more information. git-svn-id: http://svn.osgeo.org/qgis/trunk/qgis@12156 c8812cc2-4d05-0410-92ff-de0c093fc19c
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gsherman
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Nov 17, 2009
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#!/usr/bin/python | ||
""" | ||
/*************************************************************************** | ||
contxt_help_id.py | ||
------------------- | ||
begin : 2009-11-16 | ||
copyright : (C) 2009 by Gary E.Sherman | ||
email : gsherman at mrcc.com | ||
***************************************************************************/ | ||
/*************************************************************************** | ||
* * | ||
* This program is free software; you can redistribute it and/or modify * | ||
* it under the terms of the GNU General Public License as published by * | ||
* the Free Software Foundation; either version 2 of the License, or * | ||
* (at your option) any later version. * | ||
* * | ||
***************************************************************************/ | ||
This script generates a unique context id based for use in the QGIS | ||
context sensitive help system. It uses the SHA1 hash for the class name | ||
and converts the first 12 characters to a unique integer. | ||
To create a context id, pass the name of the QGIS class on the command line. | ||
Example: | ||
./context_help_id.py QgsAbout | ||
This script requires Python 2.5 or higher (hashlib was introduced at 2.5). | ||
NOTE: Due to a change in the way context ids are generated, ids | ||
generated by the old method (Java hashCode function) will be different than | ||
the id generated by the new method for the same class. | ||
""" | ||
import hashlib | ||
import sys | ||
# check to see if a class name was specified and if so, craete the context id | ||
if len(sys.argv) > 1: | ||
hash = hashlib.sha1() | ||
# set the hash to the name passed on the command line | ||
hash.update(sys.argv[1]) | ||
# generate the context id by converting the first 12 characters of the hash | ||
# to decimal | ||
context_id = int(hash.hexdigest()[:12],16) | ||
# print the result | ||
print context_id | ||
else: | ||
# if no class name was specified, give a bit of help | ||
print "To generate a context sensitive help id, specify the QGIS class name on the command line" |