R. Bernstein's patch for passing correct Pdb object to %pydb

IPython/Extensions/ipy_pydb.py

@@ -1,12 +1,28 b''
-import pydb
+import inspect
 import IPython.ipapi
 from IPython.genutils import arg_split
 ip = IPython.ipapi.get()
 
+from IPython import Debugger
+
 def call_pydb(self, args):
+    """Invoke pydb with the supplied parameters."""
+    try:
+        import pydb
+    except ImportError:
+        raise ImportError("pydb doesn't seem to be installed.")
+
+    if not hasattr(pydb.pydb, "runv"):
+        raise ImportError("You need pydb version 1.19 or later installed.")
+
     argl = arg_split(args)
     # print argl # dbg
-    ip.IP.history_saving_wrapper( lambda : pydb.runl(*argl) )()
+    if len(inspect.getargspec(pydb.runv)[0]) == 2:
+        pdb = Debugger.Pdb()
+        ip.IP.history_saving_wrapper( lambda : pydb.runv(argl, pdb) )()
+    else:
+        ip.IP.history_saving_wrapper( lambda : pydb.runv(argl) )()
+
     
 ip.expose_magic("pydb",call_pydb)