aboutsummaryrefslogtreecommitdiffstats
path: root/contrib/python/ipython/py2/IPython/utils/version.py
blob: 3d1018f7bd4232e1e67c60c79391ae166d88f3f1 (plain) (blame)
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
# encoding: utf-8 
""" 
Utilities for version comparison 
 
It is a bit ridiculous that we need these. 
""" 
 
#----------------------------------------------------------------------------- 
#  Copyright (C) 2013  The IPython Development Team 
# 
#  Distributed under the terms of the BSD License.  The full license is in 
#  the file COPYING, distributed as part of this software. 
#----------------------------------------------------------------------------- 
 
#----------------------------------------------------------------------------- 
# Imports 
#----------------------------------------------------------------------------- 
 
from distutils.version import LooseVersion 
 
#----------------------------------------------------------------------------- 
# Code 
#----------------------------------------------------------------------------- 
 
def check_version(v, check): 
    """check version string v >= check 
 
    If dev/prerelease tags result in TypeError for string-number comparison, 
    it is assumed that the dependency is satisfied. 
    Users on dev branches are responsible for keeping their own packages up to date. 
    """ 
    try: 
        return LooseVersion(v) >= LooseVersion(check) 
    except TypeError: 
        return True