upstream/ipython Files · examples/Embedding/start_ipython_config.py

support for unicode identifiers...

support for unicode identifiers This rewrites some of the regular expressions that are used to match Python identifiers, so that they are unicode compatible. In Python 3, identifiers can contain unicode characters as long as the first character is not numeric. Examples for the changes: • inputtransformer: ``` In [1]: π = 3.14 In [2]: π.is_integer? Object `is_integer` not found. ``` ---------- • namespace: ``` π.is_integ*? ``` or ``` In [1]: %psearch π.is_integ Python identifiers can only contain ascii characters. ``` ---------- • prefilter: ``` %autocall 1 φ = float get_ipython().prefilter("φ 3") # should be 'φ(3)', but returns 'φ 3' ``` ---------- • completerlib: If there is a file e.g. named `π.py` in the current directory, then ``` import IPython IPython.core.completerlib.module_list('.') # should contain module 'π' ```

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      """Quick snippet explaining how to set config options when using start_ipython."""

      # First create a config object from the traitlets library

      from traitlets.config import Config

      c = Config()

      # Now we can set options as we would in a config file: 

      #   c.Class.config_value = value

      # For example, we can set the exec_lines option of the InteractiveShellApp

      # class to run some code when the IPython REPL starts

      c.InteractiveShellApp.exec_lines = [

          'print("\\nimporting some things\\n")',

          'import math',

          "math"

      ]

      c.InteractiveShell.colors = 'LightBG'

      c.InteractiveShell.confirm_exit = False

      c.TerminalIPythonApp.display_banner = False

      # Now we start ipython with our configuration

      import IPython

      IPython.start_ipython(config=c)

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				"""Quick snippet explaining how to set config options when using start_ipython."""

				# First create a config object from the traitlets library
				from traitlets.config import Config
				c = Config()

				# Now we can set options as we would in a config file:
				# c.Class.config_value = value
				# For example, we can set the exec_lines option of the InteractiveShellApp
				# class to run some code when the IPython REPL starts
				c.InteractiveShellApp.exec_lines = [
				'print("\\nimporting some things\\n")',
				'import math',
				"math"
				]
				c.InteractiveShell.colors = 'LightBG'
				c.InteractiveShell.confirm_exit = False
				c.TerminalIPythonApp.display_banner = False

				# Now we start ipython with our configuration
				import IPython
				IPython.start_ipython(config=c)