Thuban/Lib/version.py

# Copyright (C) 2003 by Intevation GmbH
# Authors:
# Bernhard Herzog <[email protected]>
#
# This program is free software under the GPL (>=v2)
# Read the file COPYING coming with the software for details.

"""Version number handling"""

__version__ = "$Revision$"
# $Source$
# $Id$


import re

rx_version = re.compile("[0-9]+(\\.[0-9]+)*")

def make_tuple(s):
    """Return a tuple version of the version number string s

    The version string must start with a sequence of decimal integers
    separated by dots. The return value is a tuple of up to three
    integers, one for each number at the beginnin of the version string.

    If the string does not start with a number return None

    Examples:
    >>> import version
    >>> version.make_tuple('1.2')
    (1, 2)
    >>> version.make_tuple('2.4.0.7')
    (2, 4, 0)
    >>> version.make_tuple('1.2+cvs.20031111')
    (1, 2)
    >>> version.make_tuple('foo')
    >>>
    """
    match = rx_version.match(s)
    if match:
        return tuple(map(int, match.group(0).split(".")[:3]))

1	bh	2011	# Copyright (C) 2003 by Intevation GmbH
2			# Authors:
3			# Bernhard Herzog <[email protected]>
4			#
5			# This program is free software under the GPL (>=v2)
6			# Read the file COPYING coming with the software for details.
7
8			"""Version number handling"""
9
10			__version__ = "$Revision$"
11			# $Source$
12			# $Id$
13
14
15			import re
16
17			rx_version = re.compile("[0-9]+(\\.[0-9]+)*")
18
19			def make_tuple(s):
20			"""Return a tuple version of the version number string s
21
22			The version string must start with a sequence of decimal integers
23			separated by dots. The return value is a tuple of up to three
24			integers, one for each number at the beginnin of the version string.
25
26			If the string does not start with a number return None
27
28			Examples:
29			>>> import version
30			>>> version.make_tuple('1.2')
31			(1, 2)
32			>>> version.make_tuple('2.4.0.7')
33			(2, 4, 0)
34			>>> version.make_tuple('1.2+cvs.20031111')
35			(1, 2)
36			>>> version.make_tuple('foo')
37			>>>
38			"""
39			match = rx_version.match(s)
40			if match:
41			return tuple(map(int, match.group(0).split(".")[:3]))
42
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svn:keywords	Author Date Id Revision