1 files changed, 56 insertions, 0 deletions
diff --git a/dogtail/version.py b/dogtail/version.py
new file mode 100755
index 00000000000..4d440806155
--- /dev/null
+++ b/dogtail/version.py
@@ -0,0 +1,56 @@
+"""Handles versioning of software packages
+
+Author: Dave Malcolm <dmalcolm@redhat.com>"""
+__author__ = 'Dave Malcolm <dmalcolm@redhat.com>'
+
+
+class Version(object):
+
+    """
+    Class representing a version of a software package.
+    Stored internally as a list of subversions, from major to minor.
+    Overloaded comparison operators ought to work sanely.
+    """
+
+    def __init__(self, versionList):
+        self.versionList = versionList
+
+    def fromString(versionString):
+        """
+        Parse a string of the form number.number.number
+        """
+        return Version(map(int, versionString.split(".")))
+    fromString = staticmethod(fromString)
+
+    def __str__(self):
+        return ".".join(map(str, self.versionList))
+
+    def __getNum(self):
+        tmpList = list(self.versionList)
+
+        while len(tmpList) < 5:
+            tmpList += [0]
+
+        num = 0
+        for i in range(len(tmpList)):
+            num *= 1000
+            num += tmpList[i]
+        return num
+
+    def __lt__(self, other):
+        return self.__getNum() < other.__getNum()
+
+    def __le__(self, other):
+        return self.__getNum() <= other.__getNum()
+
+    def __eq__(self, other):
+        return self.__getNum() == other.__getNum()
+
+    def __ne__(self, other):
+        return self.__getNum() != other.__getNum()
+
+    def __gt__(self, other):
+        return self.__getNum() > other.__getNum()
+
+    def __ge__(self, other):
+        return self.__getNum() >= other.__getNum()