upstream/ipython Files · IPython/frontend/html/notebook/utils.py

Set calling program to the empty string, when argv not in sys...

Set calling program to the empty string, when argv not in sys It might happen, then the sys module has no argv, when embeding IPython into other programs with IPython.embed(). In that case, just set the calling program to "" or other logic in IPython will crash - for instance when checking for command line arguments.

Brian E. Granger - - Load All Authors

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             utils.py
        
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      """Notebook related utilities

      Authors:

      * Brian Granger

      """

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

      #  Copyright (C) 2011  The IPython Development Team

      #

      #  Distributed under the terms of the BSD License.  The full license is in

      #  the file COPYING, distributed as part of this software.

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

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

      # Imports

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

      def url_path_join(*pieces):

          """Join components of url into a relative url

          Use to prevent double slash when joining subpath. This will leave the

          initial and final / in place

          """

          initial = pieces[0].startswith('/')

          final = pieces[-1].endswith('/')

          striped = [s.strip('/') for s in pieces]

          result = '/'.join(s for s in striped if s)

          if initial: result = '/' + result

          if final: result = result + '/'

          if result == '//': result = '/'

          return result

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				"""Notebook related utilities

				Authors:

				* Brian Granger
				"""

				#-----------------------------------------------------------------------------
				# Copyright (C) 2011 The IPython Development Team
				#
				# Distributed under the terms of the BSD License. The full license is in
				# the file COPYING, distributed as part of this software.
				#-----------------------------------------------------------------------------

				#-----------------------------------------------------------------------------
				# Imports
				#-----------------------------------------------------------------------------

				def url_path_join(*pieces):
				"""Join components of url into a relative url

				Use to prevent double slash when joining subpath. This will leave the
				initial and final / in place
				"""
				initial = pieces[0].startswith('/')
				final = pieces[-1].endswith('/')
				striped = [s.strip('/') for s in pieces]
				result = '/'.join(s for s in striped if s)
				if initial: result = '/' + result
				if final: result = result + '/'
				if result == '//': result = '/'
				return result