upstream/ipython Files · IPython/deathrow/numeric_formats.py

two-process interactive shell progress...

two-process interactive shell progress * execute payloads (e.g. page/pinfo output) are displayed and paged. * aborted replies don't crash frontend. * intermediate iopub is displayed as it comes * wait for kernel to start before printing first prompt. This gets the right number on the first prompt, and also avoids the log output from being drawn after the first prompt. * protect most of the interact block from keyboard interrupts, which could cause weird errors if ctrl-C was held for a while. * separate restart/wait prompt when kernel dies.

Brian Granger - - Load All Authors

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

      """

      Extension for printing Numeric Arrays in flexible ways.

      """

      from Numeric import ArrayType

      def num_display(self,arg):

          """Display method for printing which treats Numeric arrays specially.

          """

          # Non-numpy variables are printed using the system default

          if type(arg) != ArrayType:

              self._display(arg)

              return

          # Otherwise, we do work.

          format = __IPYTHON__.runtime_rc.numarray_print_format

          print 'NumPy array, format:',format

          # Here is where all the printing logic needs to be implemented

          print arg # nothing yet :)

      def magic_format(self,parameter_s=''):

          """Specifies format of numerical output.

          This command is similar to Ocave's format command.

          """

          valid_formats = ['long','short']

          if parameter_s in valid_formats:

              self.runtime_rc.numarray_print_format = parameter_s

              print 'Numeric output format is now:',parameter_s

          else:

              print 'Invalid format:',parameter_s

              print 'Valid formats:',valid_formats

      # setup default format

      __IPYTHON__.runtime_rc.numarray_print_format = 'long'

      # Bind our new functions to the interpreter

      __IPYTHON__.__class__.magic_format = magic_format

      __IPYTHON__.hooks.display = num_display

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				# -- coding: utf-8 --
				"""
				Extension for printing Numeric Arrays in flexible ways.
				"""

				from Numeric import ArrayType

				def num_display(self,arg):
				"""Display method for printing which treats Numeric arrays specially.
				"""

				# Non-numpy variables are printed using the system default
				if type(arg) != ArrayType:
				self._display(arg)
				return
				# Otherwise, we do work.
				format = __IPYTHON__.runtime_rc.numarray_print_format
				print 'NumPy array, format:',format
				# Here is where all the printing logic needs to be implemented
				print arg # nothing yet :)


				def magic_format(self,parameter_s=''):
				"""Specifies format of numerical output.

				This command is similar to Ocave's format command.
				"""

				valid_formats = ['long','short']

				if parameter_s in valid_formats:
				self.runtime_rc.numarray_print_format = parameter_s
				print 'Numeric output format is now:',parameter_s
				else:
				print 'Invalid format:',parameter_s
				print 'Valid formats:',valid_formats

				# setup default format
				__IPYTHON__.runtime_rc.numarray_print_format = 'long'

				# Bind our new functions to the interpreter
				__IPYTHON__.__class__.magic_format = magic_format
				__IPYTHON__.hooks.display = num_display