upstream/ipython Files · IPython/Extensions/clearcmd.py

This is a manual merge of certain things in the ipython1-dev branch, revision 46, into the main ...

This is a manual merge of certain things in the ipython1-dev branch, revision 46, into the main ipython branch. This is not a true merge in the formal sense because all history is not coming over with the files. For a detailed history of the added files, please see the ipython1-dev branch or the svn repository on scipy.org that ipython1-dev came from. More specifically, here is what I have done in this commit: 1) Moved the following by hand ipython1.config -> IPython.config ipython1.kernel -> IPython.kernel ipython1.external -> IPython.external ipython1.core -> IPython.kernel.core ipython1.testutils -> IPython.testing ipython1.tools -> IPython.tools 2) Moved IPython.tools.guid -> IPython1.external.guid 3) Renamed: ipython1 -> IPython IPython.core -> IPython.kernel.core IPython.testutils -> IPython.testing 4) Then did a "bzr add" for all the new stuff. That is all folks!

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             clearcmd.py
        
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      # -*- coding: utf-8 -*-

      """ IPython extension: add %clear magic """

      import IPython.ipapi

      import gc

      ip = IPython.ipapi.get()

      def clear_f(self,arg):

          """ Clear various data (e.g. stored history data)

          %clear out - clear output history

          %clear in  - clear input history

          %clear shadow_compress - Compresses shadow history (to speed up ipython)

          %clear shadow_nuke - permanently erase all entries in shadow history

          %clear dhist - clear dir history

          """

          api = self.getapi()

          for target in arg.split():

              if target == 'out':

                  print "Flushing output cache (%d entries)" % len(api.user_ns['_oh'])

                  self.outputcache.flush()

              elif target == 'in':

                  print "Flushing input history"

                  from IPython import iplib

                  pc = self.outputcache.prompt_count + 1

                  for n in range(1, pc):

                      key = '_i'+`n`

                      try:

                          del self.user_ns[key]

                      except: pass

                  # must be done in-place

                  self.input_hist[:] = ['\n'] * pc 

                  self.input_hist_raw[:] = ['\n'] * pc

              elif target == 'array':

                  try:

                      pylab=ip.IP.pylab

                      for x in self.user_ns.keys():

                          if isinstance(self.user_ns[x],pylab.arraytype):

                              del self.user_ns[x]

                  except AttributeError:

                      print "Clear array only available in -pylab mode"

                  gc.collect()                

              elif target == 'shadow_compress':

                  print "Compressing shadow history"

                  api.db.hcompress('shadowhist')

              elif target == 'shadow_nuke':

                  print "Erased all keys from shadow history "

                  for k in ip.db.keys('shadowhist/*'):

                      del ip.db[k]

              elif target == 'dhist':

                  print "Clearing directory history"

                  del ip.user_ns['_dh'][:]

      ip.expose_magic("clear",clear_f)

      import ipy_completers

      ipy_completers.quick_completer(

       '%clear','in out shadow_nuke shadow_compress dhist')

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				# -- coding: utf-8 --
				""" IPython extension: add %clear magic """

				import IPython.ipapi
				import gc
				ip = IPython.ipapi.get()


				def clear_f(self,arg):
				""" Clear various data (e.g. stored history data)

				%clear out - clear output history
				%clear in - clear input history
				%clear shadow_compress - Compresses shadow history (to speed up ipython)
				%clear shadow_nuke - permanently erase all entries in shadow history
				%clear dhist - clear dir history
				"""

				api = self.getapi()
				for target in arg.split():
				if target == 'out':
				print "Flushing output cache (%d entries)" % len(api.user_ns['_oh'])
				self.outputcache.flush()
				elif target == 'in':
				print "Flushing input history"
				from IPython import iplib
				pc = self.outputcache.prompt_count + 1
				for n in range(1, pc):
				key = '_i'+`n`
				try:
				del self.user_ns[key]
				except: pass
				# must be done in-place
				self.input_hist[:] = ['\n'] * pc
				self.input_hist_raw[:] = ['\n'] * pc
				elif target == 'array':
				try:
				pylab=ip.IP.pylab
				for x in self.user_ns.keys():
				if isinstance(self.user_ns[x],pylab.arraytype):
				del self.user_ns[x]
				except AttributeError:
				print "Clear array only available in -pylab mode"
				gc.collect()

				elif target == 'shadow_compress':
				print "Compressing shadow history"
				api.db.hcompress('shadowhist')

				elif target == 'shadow_nuke':
				print "Erased all keys from shadow history "
				for k in ip.db.keys('shadowhist/*'):
				del ip.db[k]
				elif target == 'dhist':
				print "Clearing directory history"
				del ip.user_ns['_dh'][:]


				ip.expose_magic("clear",clear_f)
				import ipy_completers
				ipy_completers.quick_completer(
				'%clear','in out shadow_nuke shadow_compress dhist')