Added example file for Exchange sync

From Mark R. Biggers
http://lists.complete.org/offlineimap@complete.org/2005/09/msg00011.html.gz

todo/oflpy.py

@@ -0,0 +1,57 @@
+"""oflpy.py - for offlineimaprc use"""
+__revision__ = '1.0'
+
+import re
+
+# --------------------------------
+folder_s = """\.\.\/|,\ |\/\.|\*|\ \&-\ |\'|\.|\)|\("""
+folder_re = re.compile( folder_s )
+
+def getfoldername(foldername):
+    """substitute for a possibly-buggy IMAP folder name"""
+    return folder_re.sub('_', foldername)
+
+def test_gfn():
+    """test: substitute for a possibly-buggy IMAP folder name"""
+    from namet import bad_folders
+
+    for f_name in bad_folders:
+        #print f_name, '\t\t', getfoldername(f_name)
+        print getfoldername(f_name)
+
+# --------------------------------
+filter_s = """^Public Folders|^Calendar|^Contacts|^Tasks|^Drafts|^Journal|^[a-zA-Z0-9 _\-/!]+/\.$"""
+filter_s = """^Public Folders|^Calendar|^Contacts|^Tasks|^Drafts|^Journal"""
+filter_re = re.compile( filter_s )
+
+def filterfolders(foldername):
+    """test for, and filter out some IMAP folders"""
+    res = filter_re.match(foldername)
+
+    if res:
+        return None
+    else:
+        return foldername
+
+
+def test_ff():
+    """test: test for, and filter out some IMAP folders"""
+    from namet2 import some_bad
+
+    for f_name in some_bad:
+        #print f_name, '\t\t', getfoldername(f_name)
+        print filterfolders(f_name)
+
+#test_gfn()
+#
+#test_ff()
+
+# Then in .offlineimaprc:
+# 
+#[general]
+# pythonfile = ~/.offlineimap.py
+#
+#[Repository Remote]
+# nametrans = getfoldername
+#
+# folderfilter = filterfolders