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Status| |Coverage Status|\n\n========\nCallisto\n========\n\n\n*The fourth Galilean moon of Jupyter.*\n\nA command line utility to create kernels in Jupyter from virtual environments.\n\nInstallation\n============\nCallisto may be installed `from pypi \u003chttps://pypi.python.org/pypi/callisto\u003e`_:\n::\n\n    pip install callisto\n\nTested against python 2.7, 3.4, 3.5, 3.6.\n\n\nBasic Usage.\n============\nTypical use is to just activate it inside a virtual environment:\n::\n\n    $  virtualenv venv\n    ...\n    $  source venv/bin/activate\n    (venv) $  callisto\n    Successfully installed a new jupyter kernel \"venv\":\n    {\n      \"env\": {},\n      \"language\": \"python\",\n      \"display_name\": \"venv\",\n      \"argv\": [\n        \"/Users/colin/venv/bin/python\",\n        \"-m\",\n        \"ipykernel\",\n        \"-f\",\n        \"{connection_file}\"\n      ]\n    }\n    See /Users/colin/Library/Jupyter/kernels/venv/kernel.json to edit.\n\nJupyter servers will now have an option for a kernel called `venv`.\n\n.. image:: https://colindcarroll.com/img/venv.png\n\nNaming the kernel.\n==================\nYou may also give kernels a more descriptive name:\n::\n\n    (venv) $  callisto -n pete\n    Successfully installed a new jupyter kernel \"pete\":\n    {\n      \"env\": {},\n      \"display_name\": \"pete\",\n      \"argv\": [\n        \"/Users/colin/venv/bin/python\",\n        \"-m\",\n        \"ipykernel\",\n        \"-f\",\n        \"{connection_file}\"\n      ],\n      \"language\": \"python\"\n    }\n    See /Users/colin/Library/Jupyter/kernels/pete/kernel.json to edit.\n\nJupyter servers will now have an option for a kernel called `venv`, and `pete`.\n\n.. image:: https://colindcarroll.com/img/venv_and_pete.png\n\nDeleting kernels.\n=================\nSometimes you may want to tidy kernels up a bit.\n::\n\n    (venv) $  callisto -d\n    Deleted jupyter kernel \"venv\" from /Users/colin/Library/Jupyter/kernels/venv/kernel.json:\n    {\n      \"argv\": [\n        \"/Users/colin/venv/bin/python\",\n        \"-m\",\n        \"ipykernel\",\n        \"-f\",\n        \"{connection_file}\"\n      ],\n      \"env\": {},\n      \"language\": \"python\",\n      \"display_name\": \"venv\"\n    }\n\nJupyter servers will no longer have a kernel named `venv`.\n\n\n\nLacking courage.\n================\nCallisto doesn't try to be too clever.\n::\n\n    (venv) $  deactivate\n\n    $  callisto\n    Usage: callisto [OPTIONS]\n\n    Error: The environment variable VIRTUAL_ENV is not set (usually this is set\n    automatically activating a virtualenv).  Please make sure you are in a\n    virtual environment!\n\nViewing existing kernels.\n=========================\nIf you forgot the informative message about the kernel information, you can see it later.\n::\n\n    $  source venv/bin/activate\n\n    (venv) $  callisto --list\n    No kernel found at /Users/colin/Library/Jupyter/kernels/venv/kernel.json\n\n    (venv) $  callisto -l --name pete\n    Found kernel \"pete\" at /Users/colin/Library/Jupyter/kernels/pete/kernel.json:\n    {\n      \"display_name\": \"pete\",\n      \"language\": \"python\",\n      \"argv\": [\n        \"/Users/colin/venv/bin/python\",\n        \"-m\",\n        \"ipykernel\",\n        \"-f\",\n        \"{connection_file}\"\n      ],\n      \"env\": {}\n    }\n\n\n\nAdjusting the `PYTHONPATH`.\n===========================\nWith isolated kernels, you may wish to run all your notebooks from a single directory,\nbut using code from the project directories.\n::\n\n    (venv) $  callisto -n pete --path=$(pwd)\n    Successfully installed a new jupyter kernel \"pete\":\n\n    {\n      \"argv\": [\n        \"/Users/colin/venv/bin/python\",\n        \"-m\",\n        \"ipykernel\",\n        \"-f\",\n        \"{connection_file}\"\n      ],\n      \"language\": \"python\",\n      \"env\": {\n        \"PYTHONPATH\": \"/Users/colin/projects/pete:PYTHONPATH\"\n      },\n      \"display_name\": \"pete\"\n    }\n    See /Users/colin/Library/Jupyter/kernels/pete/kernel.json to edit.\n\nNow the `pete` kernel will be able to import from the folder `/Users/colin/projects/pete`.\n\n.. |Build Status| image:: https://travis-ci.org/ColCarroll/callisto.svg?branch=master\n   :target: https://travis-ci.org/ColCarroll/callisto\n.. |Coverage Status| image:: https://coveralls.io/repos/github/ColCarroll/callisto/badge.svg?branch=master\n   :target: https://coveralls.io/github/ColCarroll/callisto?branch=master\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fcolcarroll%2Fcallisto","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fcolcarroll%2Fcallisto","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fcolcarroll%2Fcallisto/lists"}