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

Proper error handling for nbformat versions in client code....

Proper error handling for nbformat versions in client code. 1. Users are warned when an older nbformat notebook is converted. 2. The notebook notifies the user when a notebook that is too new is attempted to load. To test these things, create a simple notebook. Then change its nbformat field by hand to 2 (to test 1) and then 4 (to test 2).

Bernardo B. Marques - - 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')