upstream/ipython Files · IPython/core/tests/test_logger.py

Python vs IPython: recommend %cd, %env over !cd, !export...

Python vs IPython: recommend %cd, %env over !cd, !export The quick overview mentioned `!cd DIR` among examples of shell commands one might use —but that doesn't work as user would hope (can only affect commands in same ! e.g. `!cd /; pwd`). That's not as bad now that `!cd` prints a warning, but IMHO better to provide the right mental model up front. => Replaced that with minimal motivation why `!cd` and `!export` can't work, recommending some %magic alternatives; moved it out of examples to not distract, and right before Magics section.

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      # -*- coding: utf-8 -*-

      """Test IPython.core.logger"""

      import os.path

      import pytest

      from tempfile import TemporaryDirectory

      def test_logstart_inaccessible_file():

          with pytest.raises(IOError):

              _ip.logger.logstart(logfname="/")   # Opening that filename will fail.

          try:

              _ip.run_cell("a=1")                 # Check it doesn't try to log this

          finally:

              _ip.logger.log_active = False  # If this fails, don't let later tests fail

      def test_logstart_unicode():

          with TemporaryDirectory() as tdir:

              logfname = os.path.join(tdir, "test_unicode.log")

              _ip.run_cell("'abc€'")

              try:

                  _ip.run_line_magic("logstart", "-to %s" % logfname)

                  _ip.run_cell("'abc€'")

              finally:

                  _ip.logger.logstop()

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				# -- coding: utf-8 --
				"""Test IPython.core.logger"""

				import os.path

				import pytest
				from tempfile import TemporaryDirectory


				def test_logstart_inaccessible_file():
				with pytest.raises(IOError):
				_ip.logger.logstart(logfname="/") # Opening that filename will fail.

				try:
				_ip.run_cell("a=1") # Check it doesn't try to log this
				finally:
				_ip.logger.log_active = False # If this fails, don't let later tests fail

				def test_logstart_unicode():
				with TemporaryDirectory() as tdir:
				logfname = os.path.join(tdir, "test_unicode.log")
				_ip.run_cell("'abc€'")
				try:
				_ip.run_line_magic("logstart", "-to %s" % logfname)
				_ip.run_cell("'abc€'")
				finally:
				_ip.logger.logstop()