Updating IPython.kernel to fix minor bugs.

* Fixed broken %px and %autopx magics.
* Fixed printing of ResultList.
* Fixed naming of parallelmagic PlugIn.
* Removed twisted related warning.

IPython/extensions/parallelmagic.py

@@ -159,12 +159,24 b' class ParalleMagic(Plugin):'
             self.autopx = False
             print "%autopx disabled"
 
-    def pxrun_source(self, ipself, source, filename="<input>", symbol="single"):
-        """A parallel replacement for InteractiveShell.run_source."""
+    def pxrun_source(self, ipself, source, filename=None,
+                   symbol='single', post_execute=True):
+
+        # We need to ensure that the source is unicode from here on.
+        if type(source)==str:
+            usource = source.decode(ipself.stdin_encoding)
+        else:
+            usource = source
+
+        if 0:  # dbg
+            print 'Source:', repr(source)  # dbg
+            print 'USource:', repr(usource)  # dbg
+            print 'type:', type(source) # dbg
+            print 'encoding', ipself.stdin_encoding  # dbg
 
         try:
-            code = ipself.compile(source, filename, symbol)
-        except (OverflowError, SyntaxError, ValueError):
+            code = ipself.compile(usource, symbol, ipself.execution_count)
+        except (OverflowError, SyntaxError, ValueError, TypeError, MemoryError):
             # Case 1
             ipself.showsyntaxerror(filename)
             return None
@@ -197,6 +209,6 b' def load_ipython_extension(ip):'
     global _loaded
     if not _loaded:
         plugin = ParalleMagic(shell=ip, config=ip.config)
-        ip.plugin_manager.register_plugin('parallel_magic', plugin)
+        ip.plugin_manager.register_plugin('parallelmagic', plugin)
         _loaded = True
 

IPython/kernel/client.py

@@ -44,8 +44,8 b" warnings.filterwarnings('ignore', 'the sha module is deprecated',"
 
 import sys
 
+import twisted
 from twisted.internet import reactor
-from twisted.internet.error import PotentialZombieWarning
 from twisted.python import log
 
 from IPython.kernel.clientconnector import ClientConnector, Cluster
@@ -54,7 +54,6 b' from IPython.kernel.twistedutil import blockingCallFromThread'
 
 # These enable various things 
 from IPython.kernel import codeutil
-# import IPython.kernel.magic
 
 # Other things that the user will need
 from IPython.kernel.task import MapTask, StringTask
@@ -64,6 +63,10 b' from IPython.kernel.error import CompositeError'
 # Code
 #-------------------------------------------------------------------------------
 
+# PotentialZombieWarning is deprecated from Twisted 10.0.0 and above and
+# using the filter on > 10.0.0 creates a warning itself.
+if twisted.version.major < 10:
+    from twisted.internet.error import PotentialZombieWarning
 warnings.simplefilter('ignore', PotentialZombieWarning)
 
 _client_tub = ClientConnector()
@@ -77,6 +80,18 b' TaskClient = get_task_client'
 # class below.  But, it does work for now.
 log.startLogging(sys.stdout, setStdout=0)
 
+def _result_list_printer(obj, p, cycle):
+    if cycle:
+        return p.text('ResultList(...)')
+    return p.text(repr(obj))
+
+# ResultList is a list subclass and will use the default pretty printer.
+# This overrides that to use the __repr__ of ResultList.
+ip = get_ipython()
+ip.displayhook.default_formatter.for_type_by_name(
+    'IPython.kernel.multiengineclient', 'ResultList', _result_list_printer
+)
+
 # Now we start the reactor in a thread
 rit = ReactorInThread()
 rit.setDaemon(True)

IPython/kernel/multiengineclient.py

@@ -272,7 +272,7 b' class InteractiveMultiEngineClient(object):'
         except NameError:
             print "The IPython parallel magics (%result, %px, %autopx) only work within IPython."
         else:
-            pmagic = ip.plugin_manager.get_plugin('parallel_magic')
+            pmagic = ip.plugin_manager.get_plugin('parallelmagic')
             if pmagic is not None:
                 pmagic.active_multiengine_client = self
             else: