upstream/ipython Files · IPython/quarantine/ipy_extutil.py

Add init_environment(), %less, %more, %man and %clear/%cls, in zmq shell....

Add init_environment(), %less, %more, %man and %clear/%cls, in zmq shell. These are all things that normally need direct terminal control and users are likely to call them via !, blocking their session because the pager will be invoked and we can't pass keystrokes to it. So for the zmq shell, we implement a few very common things as magics.

Brian Granger - - Load All Authors

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             ipy_extutil.py
        
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      """ IPython extension management tools.

      After installation, you'll have the 'extutil' object in your namespace.

      to.

      """

      # for the purposes of this module, every module that has the name 'ip' globally

      # installed as below is an IPython extension

      from IPython.core import ipapi

      ip = ipapi.get()

      from IPython.core.iplib import InteractiveShell

      import sys,textwrap,inspect

      def indent(s, ind= '    '):

          return '\n'.join([ind +l for l in s.splitlines()])

      class ExtUtil:

          """ IPython extensios (ipy_* etc.) management utilities """

          def describe(self):

              for n,mod in self._active():

                  doc = inspect.getdoc(mod)

                  if doc:

                      print '== %s ==' % n

                      print indent(doc)

          def ls(self):

              """ Show list of installed extensions. """

              for n,m in self._active():

                  print '%-20s %s' % (n,m.__file__.replace('\\','/'))

          def _active(self):

              act = []

              for mname,m in sys.modules.items():

                  o = getattr(m, 'ip', None)

                  if isinstance(o, InteractiveShell):

                      act.append((mname,m))

              act.sort()                

              return act

      extutil = ExtUtil()                

      ip.push('extutil')

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				""" IPython extension management tools.

				After installation, you'll have the 'extutil' object in your namespace.
				to.
				"""

				# for the purposes of this module, every module that has the name 'ip' globally
				# installed as below is an IPython extension

				from IPython.core import ipapi
				ip = ipapi.get()
				from IPython.core.iplib import InteractiveShell

				import sys,textwrap,inspect

				def indent(s, ind= ' '):
				return '\n'.join([ind +l for l in s.splitlines()])

				class ExtUtil:
				""" IPython extensios (ipy_* etc.) management utilities """

				def describe(self):
				for n,mod in self._active():
				doc = inspect.getdoc(mod)
				if doc:
				print '== %s ==' % n
				print indent(doc)


				def ls(self):
				""" Show list of installed extensions. """
				for n,m in self._active():
				print '%-20s %s' % (n,m.__file__.replace('\\','/'))
				def _active(self):
				act = []
				for mname,m in sys.modules.items():
				o = getattr(m, 'ip', None)
				if isinstance(o, InteractiveShell):
				act.append((mname,m))
				act.sort()
				return act

				extutil = ExtUtil()
				ip.push('extutil')