upstream/ipython Files · docs/examples/core/example-embed-short.py

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Merge pull request from asmeurer/sympyprinting Use LaTeX to display, on output, various built-in types with the SymPy printing extension. SymPy's latex() function supports printing lists, tuples, and dicts using latex notation (it uses bmatrix, pmatrix, and Bmatrix, respectively). This provides a more unified experience with SymPy functions that return these types (such as solve()). Also display ints, longs, and floats using LaTeX, to get a more unified printing experience (so that, e.g., x/x will print the same as just 1). The string form can always be obtained by manually calling the actual print function, or 2d unicode printing using pprint(). SymPy's latex() function doesn't treat set() or frosenset() correctly presently (see http://code.google.com/p/sympy/issues /detail?id=3062), so for the present, we leave those alone.

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      """Quick code snippets for embedding IPython into other programs.

      See example-embed.py for full details, this file has the bare minimum code for

      cut and paste use once you understand how to use the system."""

      #---------------------------------------------------------------------------

      # This code loads IPython but modifies a few things if it detects it's running

      # embedded in another IPython session (helps avoid confusion)

      try:

          get_ipython

      except NameError:

          banner=exit_msg=''

      else:

          banner = '*** Nested interpreter ***'

          exit_msg = '*** Back in main IPython ***'

      # First import the embed function

      from IPython.frontend.terminal.embed import InteractiveShellEmbed

      # Now create the IPython shell instance. Put ipshell() anywhere in your code

      # where you want it to open.

      ipshell = InteractiveShellEmbed(banner1=banner, exit_msg=exit_msg)

      #---------------------------------------------------------------------------

      # This code will load an embeddable IPython shell always with no changes for

      # nested embededings.

      from IPython import embed

      # Now embed() will open IPython anywhere in the code.

      #---------------------------------------------------------------------------

      # This code loads an embeddable shell only if NOT running inside

      # IPython. Inside IPython, the embeddable shell variable ipshell is just a

      # dummy function.

      try:

          get_ipython

      except NameError:

          from IPython.frontend.terminal.embed import InteractiveShellEmbed

          ipshell = InteractiveShellEmbed()

          # Now ipshell() will open IPython anywhere in the code

      else:

          # Define a dummy ipshell() so the same code doesn't crash inside an

          # interactive IPython

          def ipshell(): pass

      #******************* End of file <example-embed-short.py> ********************

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				"""Quick code snippets for embedding IPython into other programs.

				See example-embed.py for full details, this file has the bare minimum code for
				cut and paste use once you understand how to use the system."""

				#---------------------------------------------------------------------------
				# This code loads IPython but modifies a few things if it detects it's running
				# embedded in another IPython session (helps avoid confusion)

				try:
				get_ipython
				except NameError:
				banner=exit_msg=''
				else:
				banner = '* Nested interpreter *'
				exit_msg = '* Back in main IPython *'

				# First import the embed function
				from IPython.frontend.terminal.embed import InteractiveShellEmbed
				# Now create the IPython shell instance. Put ipshell() anywhere in your code
				# where you want it to open.
				ipshell = InteractiveShellEmbed(banner1=banner, exit_msg=exit_msg)

				#---------------------------------------------------------------------------
				# This code will load an embeddable IPython shell always with no changes for
				# nested embededings.

				from IPython import embed
				# Now embed() will open IPython anywhere in the code.

				#---------------------------------------------------------------------------
				# This code loads an embeddable shell only if NOT running inside
				# IPython. Inside IPython, the embeddable shell variable ipshell is just a
				# dummy function.

				try:
				get_ipython
				except NameError:
				from IPython.frontend.terminal.embed import InteractiveShellEmbed
				ipshell = InteractiveShellEmbed()
				# Now ipshell() will open IPython anywhere in the code
				else:
				# Define a dummy ipshell() so the same code doesn't crash inside an
				# interactive IPython
				def ipshell(): pass

				#***************** End of file <example-embed-short.py> ******************