upstream/ipython Files · IPython/testing/__init__.py

Backport PR : Fix for incorrect default encoding on Windows....

Backport PR : Fix for incorrect default encoding on Windows. Whilst trying out rendering notebooks in a flask app under Apache on Windows I got the below error when simply trying to import `SlidesExporter` ```python mod_wsgi (pid=6260): Exception occurred processing WSGI script 'flask_test.wsgi'. Traceback (most recent call last): File "flask_test.py", line 81, in render_notebook from IPython.nbconvert.exporters import SlidesExporter File "c:\\dev\\code\\ipython\\IPython\\__init__.py", line 47, in <module> from .terminal.embed import embed File "c:\\dev\\code\\ipython\\IPython\\terminal\\embed.py", line 32, in <module> from IPython.terminal.interactiveshell import TerminalInteractiveShell File "c:\\dev\\code\\ipython\\IPython\\terminal\\interactiveshell.py", line 25, in <module> from IPython.core.interactiveshell import InteractiveShell, InteractiveShellABC File "c:\\dev\\code\\ipython\\IPython\\core\\interactiveshell.py", line 59, in <module> from IPython.core.prompts import PromptManager File "c:\\dev\\code\\ipython\\IPython\\core\\prompts.py", line 138, in <module> HOME = py3compat.str_to_unicode(os.environ.get("HOME","//////:::::ZZZZZ,,,~~~")) File "c:\\dev\\code\\ipython\\IPython\\utils\\py3compat.py", line 18, in decode return s.decode(encoding, "replace") LookupError: unknown encoding: cp0 ``` A little bit of [googling](http://bugs.python.org/issue6501) suggests that Windows returns 'cp0' to indicate there is no code page. This fix simply looks for this invalid value and replaces it with something valid. With this change it works for me.

Thomas Kluyver - - Load All Authors

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      """Testing support (tools to test IPython itself).

      """

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

      #  Copyright (C) 2009-2011  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.

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

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

      # Functions

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

      # User-level entry point for testing

      def test(all=False):

          """Run the entire IPython test suite.

          For fine-grained control, you should use the :file:`iptest` script supplied

          with the IPython installation."""

          # Do the import internally, so that this function doesn't increase total

          # import time

          from iptest import run_iptestall

          run_iptestall(inc_slow=all)

      # So nose doesn't try to run this as a test itself and we end up with an

      # infinite test loop

      test.__test__ = False

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				"""Testing support (tools to test IPython itself).
				"""

				#-----------------------------------------------------------------------------
				# Copyright (C) 2009-2011 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.
				#-----------------------------------------------------------------------------

				#-----------------------------------------------------------------------------
				# Functions
				#-----------------------------------------------------------------------------

				# User-level entry point for testing
				def test(all=False):
				"""Run the entire IPython test suite.

				For fine-grained control, you should use the :file:`iptest` script supplied
				with the IPython installation."""

				# Do the import internally, so that this function doesn't increase total
				# import time
				from iptest import run_iptestall
				run_iptestall(inc_slow=all)

				# So nose doesn't try to run this as a test itself and we end up with an
				# infinite test loop
				test.__test__ = False