upstream/ipython Files · IPython/core/magics/__init__.py

Use environment variable to identify conda / mamba (#14515)...

Use environment variable to identify conda / mamba (#14515) Conda and mamba both set an environment variable which refers to the base environment's executable path, use that in preference to less reliable methods, but fall back on the other approaches if unable to locate the executable this way. Additionally, change the search to look for the bare command name rather than the command within the top level of the active environment, I'm dubious this approach works with any current conda / mamba version which usually place their executable links in a `condabin` directory or elsewhere not at the same level as the Python executable. I believe this will also address https://github.com/ipython/ipython/issues/14350, which I'm also seeing in a Windows context where the regex fails to parse and causes a traceback.

Jake VanderPlas - - Load All Authors

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      """Implementation of all the magic functions built into IPython.

      """

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

      #  Copyright (c) 2012 The IPython Development Team.

      #

      #  Distributed under the terms of the Modified BSD License.

      #

      #  The full license is in the file COPYING.txt, distributed with this software.

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

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

      # Imports

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

      from ..magic import Magics, magics_class

      from .auto import AutoMagics

      from .basic import BasicMagics, AsyncMagics

      from .code import CodeMagics, MacroToEdit

      from .config import ConfigMagics

      from .display import DisplayMagics

      from .execution import ExecutionMagics

      from .extension import ExtensionMagics

      from .history import HistoryMagics

      from .logging import LoggingMagics

      from .namespace import NamespaceMagics

      from .osm import OSMagics

      from .packaging import PackagingMagics

      from .pylab import PylabMagics

      from .script import ScriptMagics

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

      # Magic implementation classes

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

      @magics_class

      class UserMagics(Magics):

          """Placeholder for user-defined magics to be added at runtime.

          All magics are eventually merged into a single namespace at runtime, but we

          use this class to isolate the magics defined dynamically by the user into

          their own class.

          """

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				"""Implementation of all the magic functions built into IPython.
				"""
				#-----------------------------------------------------------------------------
				# Copyright (c) 2012 The IPython Development Team.
				#
				# Distributed under the terms of the Modified BSD License.
				#
				# The full license is in the file COPYING.txt, distributed with this software.
				#-----------------------------------------------------------------------------

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

				from ..magic import Magics, magics_class
				from .auto import AutoMagics
				from .basic import BasicMagics, AsyncMagics
				from .code import CodeMagics, MacroToEdit
				from .config import ConfigMagics
				from .display import DisplayMagics
				from .execution import ExecutionMagics
				from .extension import ExtensionMagics
				from .history import HistoryMagics
				from .logging import LoggingMagics
				from .namespace import NamespaceMagics
				from .osm import OSMagics
				from .packaging import PackagingMagics
				from .pylab import PylabMagics
				from .script import ScriptMagics

				#-----------------------------------------------------------------------------
				# Magic implementation classes
				#-----------------------------------------------------------------------------

				@magics_class
				class UserMagics(Magics):
				"""Placeholder for user-defined magics to be added at runtime.

				All magics are eventually merged into a single namespace at runtime, but we
				use this class to isolate the magics defined dynamically by the user into
				their own class.
				"""