1 files changed, 19 insertions, 0 deletions
diff --git a/RepSys/__init__.py b/RepSys/__init__.py
index c371e7a..c394746 100644
--- a/RepSys/__init__.py
+++ b/RepSys/__init__.py
@@ -1,9 +1,28 @@
 #!/usr/bin/python
+import re
+import os
 
 import ConfigParser
+
 config = ConfigParser.Config()
 del ConfigParser
 
 class Error(Exception): pass
 
+class RepSysTree:
+    """
+    This class just hold methods that abstract all the not-so-explicit
+    rules about the directory structure of a repsys repository.
+    """
+    def fixpath(cls, url):
+        return re.sub("/+$", "", url)
+    fixpath = classmethod(fixpath)
+
+    def pkgname(cls, pkgdirurl):
+        # we must remove trailling slashes in the package path because
+        # os.path.basename could return "" from URLs ending with "/"
+        fixedurl = cls.fixpath(pkgdirurl)
+        return os.path.basename(fixedurl)
+    pkgname = classmethod(pkgname)
+            
 # vim:et:ts=4:sw=4