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Diffstat (limited to 'pym/portage_versions.py')
| -rw-r--r-- | pym/portage_versions.py | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/pym/portage_versions.py b/pym/portage_versions.py index 43f45f2fc..7c5717987 100644 --- a/pym/portage_versions.py +++ b/pym/portage_versions.py @@ -123,6 +123,27 @@ def vercmp(ver1, ver2, silent=1): return r1 - r2 def pkgcmp(pkg1, pkg2): + """ + Compare 2 package versions created in pkgsplit format. + + Example usage: + >>> from portage_versions import * + >>> pkgcmp(pkgsplit('test-1.0-r1'),pkgsplit('test-1.2-r3')) + -1 + >>> pkgcmp(pkgsplit('test-1.3'),pkgsplit('test-1.2-r3')) + 1 + + @param pkg1: package to compare with + @type pkg1: list (example: ['test', '1.0', 'r1']) + @param pkg2: package to compare againts + @type pkg2: list (example: ['test', '1.0', 'r1']) + @rtype: None or integer + @return: + 1. None if package names are not the same + 2. 1 if pkg1 is greater than pkg2 + 3. -1 if pkg1 is less than pkg2 + 4. 0 if pkg1 equals pkg2 + """ if pkg1[0] != pkg2[0]: return None mycmp=vercmp(pkg1[1],pkg2[1]) |