Source Code for Module dogtail.version

 1  """Handles versioning of software packages 
 2   
 3  Author: Dave Malcolm <dmalcolm@redhat.com>""" 
 4  __author__ = 'Dave Malcolm <dmalcolm@redhat.com>' 
 5   
 6  import re 
 7  import unittest 
 8   
 9 -class Version: 
10      """ 
11      Class representing a version of a software package. 
12      Stored internally as a list of subversions, from major to minor. 
13      Overloaded comparison operators ought to work sanely. 
14      """ 
15 -    def __init__(self, versionList): 
16          self.versionList = versionList 
17   
18 -    def fromString(versionString): 
19          """ 
20          Parse a string of the form number.number.number 
21          """ 
22          return Version(map(int, versionString.split("."))) 
23      fromString = staticmethod(fromString) 
24   
25 -    def __str__(self): 
26          return ".".join(map(str, self.versionList)) 
27   
28 -    def __getNum(self): 
29          tmpList = list(self.versionList) 
30   
31          while len(tmpList)<5: 
32              tmpList += [0] 
33   
34          num = 0 
35          for i in range(len(tmpList)): 
36              num *=1000 
37              num += tmpList[i] 
38          return num 
39   
40 -    def __lt__(self, other): 
41          return self.__getNum()<other.__getNum() 
42 -    def __le__(self, other): 
43          return self.__getNum()<=other.__getNum() 
44 -    def __eq__(self, other): 
45          return self.__getNum()==other.__getNum() 
46 -    def __ne__(self, other): 
47          return self.__getNum()!=other.__getNum() 
48 -    def __gt__(self, other): 
49          return self.__getNum()>other.__getNum() 
50 -    def __ge__(self, other): 
51          return self.__getNum()>=other.__getNum() 
52   
53 -class VersionTests(unittest.TestCase): 
54 -    def testLt(self): 
55          assert Version.fromString("2.0.1") < Version.fromString("2.1.0") 
56          assert not Version.fromString("1.4.0") < Version.fromString("1.4.0") 
57   
58 -    def testLe(self): 
59          assert Version.fromString("2.0.1") <= Version.fromString("2.1.0") 
60          assert Version.fromString("1.4.0") <= Version.fromString("1.4.0") 
61   
62 -    def testEq(self): 
63          assert not Version.fromString("2.0.1") == Version.fromString("2.1.0") 
64          assert Version.fromString("1.4.0") == Version.fromString("1.4.0") 
65   
66 -    def testNe(self): 
67          assert Version.fromString("2.0.1") != Version.fromString("2.1.0") 
68          assert not Version.fromString("1.4.0") != Version.fromString("1.4.0") 
69   
70 -    def testGt(self): 
71          assert Version.fromString("2.1.0") > Version.fromString("2.0.1") 
72          assert not Version.fromString("1.4.0") > Version.fromString("1.4.0") 
73   
74 -    def testGe(self): 
75          assert Version.fromString("2.1.0") >= Version.fromString("2.0.1") 
76          assert Version.fromString("1.4.0") >= Version.fromString("1.4.0") 
77   
78 -    def testStr(self): 
79          assert "2.0.4"==str(Version.fromString("2.0.4")) 
80   
81 -    def testParsing(self): 
82          assert Version.fromString("0") == Version([0]) 
83          assert Version.fromString("0.1") == Version([0, 1]) 
84          assert Version.fromString("1.4.0") == Version([1, 4, 0]) 
85   
86  if __name__ == "__main__": 
87      unittest.main() 
88