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

ZMQ heartbeat: catch EINTR exceptions and continue....

ZMQ heartbeat: catch EINTR exceptions and continue. The zmq heartbeat channel exits when it encounters an "Interrupted system call", thereby causing the qtconsole to report that it is not responding, despite the console working perfectly fine. Observed in a large Qt application embedding the ipython qtconsole. Fixes

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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