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

normalize unicode notebook filenames...

normalize unicode notebook filenames used in comparison check for notebook name change. Unless the filenames are normalized, unchanged names may result in false positives for a name change (e.g. OS X uses NFD on the filesystem, so u'\xfc' roundtripped to the filesystem will be u'u\u0308'), which can result in the first save of a notebook after open performing the following actions: 1. save the recently opened notebook 2. `old_name != new_name`, so name change detected 3. delete old_name (which is actually new_name), which ultimately deletes the just-saved notebook In master, this has a symptom of the first checkpoint failing because the first save actually deleted the file, and you can't checkpoint a notebook that doesn't exist. closes

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      """Simple utility for building a list of local IPs using the socket module.

      This module defines two constants:

      LOCALHOST : The loopback interface, or the first interface that points to this

                  machine.  It will *almost* always be '127.0.0.1'

      LOCAL_IPS : A list of IP addresses, loopback first, that point to this machine.

      PUBLIC_IPS : A list of public IP addresses that point to this machine.

                   Use these to tell remote clients where to find you.

      """

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

      #  Copyright (C) 2010-2011  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

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

      import socket

      from .data import uniq_stable

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

      # Code

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

      LOCAL_IPS = []

      try:

          LOCAL_IPS = socket.gethostbyname_ex('localhost')[2]

      except socket.error:

          pass

      PUBLIC_IPS = []

      try:

          hostname = socket.gethostname()

          PUBLIC_IPS = socket.gethostbyname_ex(hostname)[2]

          # try hostname.local, in case hostname has been short-circuited to loopback

          if not hostname.endswith('.local') and all(ip.startswith('127') for ip in PUBLIC_IPS):

              PUBLIC_IPS = socket.gethostbyname_ex(socket.gethostname() + '.local')[2]

      except socket.error:

          pass

      else:

          PUBLIC_IPS = uniq_stable(PUBLIC_IPS)

          LOCAL_IPS.extend(PUBLIC_IPS)

      # include all-interface aliases: 0.0.0.0 and ''

      LOCAL_IPS.extend(['0.0.0.0', ''])

      LOCAL_IPS = uniq_stable(LOCAL_IPS)

      LOCALHOST = LOCAL_IPS[0]

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				"""Simple utility for building a list of local IPs using the socket module.
				This module defines two constants:

				LOCALHOST : The loopback interface, or the first interface that points to this
				machine. It will almost always be '127.0.0.1'

				LOCAL_IPS : A list of IP addresses, loopback first, that point to this machine.

				PUBLIC_IPS : A list of public IP addresses that point to this machine.
				Use these to tell remote clients where to find you.
				"""
				#-----------------------------------------------------------------------------
				# Copyright (C) 2010-2011 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
				#-----------------------------------------------------------------------------

				import socket

				from .data import uniq_stable

				#-----------------------------------------------------------------------------
				# Code
				#-----------------------------------------------------------------------------

				LOCAL_IPS = []
				try:
				LOCAL_IPS = socket.gethostbyname_ex('localhost')[2]
				except socket.error:
				pass

				PUBLIC_IPS = []
				try:
				hostname = socket.gethostname()
				PUBLIC_IPS = socket.gethostbyname_ex(hostname)[2]
				# try hostname.local, in case hostname has been short-circuited to loopback
				if not hostname.endswith('.local') and all(ip.startswith('127') for ip in PUBLIC_IPS):
				PUBLIC_IPS = socket.gethostbyname_ex(socket.gethostname() + '.local')[2]
				except socket.error:
				pass
				else:
				PUBLIC_IPS = uniq_stable(PUBLIC_IPS)
				LOCAL_IPS.extend(PUBLIC_IPS)

				# include all-interface aliases: 0.0.0.0 and ''
				LOCAL_IPS.extend(['0.0.0.0', ''])

				LOCAL_IPS = uniq_stable(LOCAL_IPS)

				LOCALHOST = LOCAL_IPS[0]