the auto completion is working! and may god bless you all! ;-)

jedi.vim

@@ -0,0 +1,66 @@
+"py_fuzzycomplete.vim - Omni Completion for python in vim
+" Maintainer: David Halter <davidhalter88@gmail.com>
+" Version: 0.1
+"
+" This part of the software is just the vim interface. The main source code
+" lies in the python files around it.
+
+if !has('python')
+    echomsg "Error: Required vim compiled with +python"
+    finish
+endif
+
+
+function! jedi#Complete(findstart, base)
+    if a:findstart == 1
+        return col('.')
+    else
+python << PYTHONEOF
+if 1:
+        row, column = vim.current.window.cursor
+        source = '\n'.join(vim.current.buffer)
+        try:
+            completions = functions.complete(source, row, column)
+            out = []
+            for c in completions:
+                d = dict(word=c.complete,
+                         abbr=str(c),
+                         menu=c.description,  # stuff directly behind the completion
+                         info=c.help,  # docstr and similar stuff
+                         kind=c.type,  # completion type
+                         icase=1,  # case insensitive
+                         dup=1,  # allow duplicates (maybe later remove this)
+                )
+                out.append(d)
+
+            strout = str(out)
+        except Exception as e:
+            print 'error:', e
+            strout = ''
+
+        print 'end', strout
+        vim.command('return ' + strout)
+PYTHONEOF
+    endif
+endfunction
+
+
+" ------------------------------------------------------------------------
+" Initialization of Jedi
+" ------------------------------------------------------------------------
+"
+let s:current_file=expand("<sfile>")
+
+python << PYTHONEOF
+""" here we initialize the jedi stuff """
+import vim
+
+# update the system path, to include the python scripts 
+import sys
+from os.path import dirname
+sys.path.insert(0, dirname(dirname(vim.eval('s:current_file'))))
+
+import functions
+PYTHONEOF
+
+" vim: set et ts=4: