python2.3 compatibility fixes

Author: Ralf Schlatterbeck

roundup/anypy/email_.py

@@ -0,0 +1,19 @@
+try:
+    # Python 2.5+
+    from email.parser import FeedParser
+except ImportError:
+    # Python 2.4
+    try :
+        from email.Parser import FeedParser
+    except ImportError:
+        from email.Parser import Parser
+        class FeedParser:
+            def __init__(self):
+                self.content = []
+
+            def feed(self, s):
+                self.content.append(s)
+
+            def close(self):
+                p = Parser()
+                return p.parsestr(''.join(self.content))

roundup/backends/back_anydbm.py

@@ -158,7 +158,9 @@ def addclass(self, cl):
 
     def getclasses(self):
         """Return a list of the names of all existing classes."""
-        return sorted(self.classes)
+        l = self.classes.keys()
+        l.sort()
+        return l
 
     def getclass(self, classname):
         """Get the Class object representing a particular class.

roundup/roundupdb.py

@@ -31,12 +31,7 @@
 from email.MIMEText import MIMEText
 from email.MIMEBase import MIMEBase
 
-try:
-    # Python 2.5+
-    from email.parser import FeedParser
-except ImportError:
-    # Python 2.4
-    from email.Parser import FeedParser
+from anypy.email_ import FeedParser
 
 from roundup import password, date, hyperdb
 from roundup.i18n import _