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1 | .. _kernel_install: |
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1 | .. _kernel_install: | |
2 |
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2 | |||
3 | Installing the IPython kernel |
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3 | Installing the IPython kernel | |
4 | ============================= |
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4 | ============================= | |
5 |
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5 | |||
6 | IPython can be installed (different python versions, virtualenv or conda |
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6 | IPython can be installed (different python versions, virtualenv or conda | |
7 | environments) as a kernel for Jupyter by following these steps: |
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7 | environments) as a kernel for Jupyter by following these steps: | |
8 |
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8 | |||
9 | * make sure that the desired python installation is active |
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9 | * make sure that the desired python installation is active | |
10 | (e.g. activate the environment, or use absolute paths) |
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10 | (e.g. activate the environment, or use absolute paths) | |
11 | and ipykernel is installed |
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11 | and ipykernel is installed | |
12 | * run once ``ipython kernel install --user``, |
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12 | * run once ``ipython kernel install --user``, | |
13 | or ``python -m ipykernel install --user`` to ensure a specific Python installation is used. |
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13 | or ``python -m ipykernel install --user`` to ensure a specific Python installation is used. | |
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14 | * See `ipython kernel install --help` for the list of installation options like | |||
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15 | naming the kernel, or non default install location. | |||
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16 | * The IPython kernel for Jupyter is provided by the `ipykernel` python package, | |||
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17 | see there if you need more flexibility for installation. | |||
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19 | |||
16 | The last command installs a :ref:`kernel spec <jupyterclient:kernelspecs>` file for the current python installation. Kernel spec files are JSON files, which can be viewed and changed with a |
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20 | The last command installs a :ref:`kernel spec <jupyterclient:kernelspecs>` file | |
17 | normal text editor. |
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21 | for the current python installation. Kernel spec files are JSON files, which | |
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22 | can be viewed and changed with a normal text editor. | |||
18 |
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23 | |||
19 | For example: |
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24 | For example: | |
20 |
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25 | |||
21 | .. sourcecode:: bash |
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26 | .. sourcecode:: bash | |
22 |
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27 | |||
23 | source activate kernel-environment |
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28 | source activate kernel-environment | |
24 | ipython kernel install --user |
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29 | ipython kernel install --user | |
25 | source deactivate kernel-environment |
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30 | source deactivate kernel-environment | |
26 |
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31 | |||
27 | or |
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32 | or | |
28 |
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33 | |||
29 | .. sourcecode:: bash |
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34 | .. sourcecode:: bash | |
30 |
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35 | |||
31 | ~/envs/kernel-environment/python -m ipykernel install --user |
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36 | ~/envs/kernel-environment/python -m ipykernel install --user | |
32 |
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37 | |||
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38 | .. note :: | |||
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39 | ||||
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40 | The command `ipython kernelspec` is deprecated and will be removed in future versions. | |||
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41 | ||||
33 |
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42 | |||
34 | .. _multiple_kernel_install: |
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43 | .. _multiple_kernel_install: | |
35 |
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44 | |||
36 | Multiple IPython installs |
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45 | Multiple IPython installs | |
37 | ========================= |
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46 | ========================= | |
38 |
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47 | |||
39 | If you want to have multiple IPython kernels for different environments, |
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48 | If you want to have multiple IPython kernels for different environments, | |
40 | you will need to specify unique names for the kernelspecs, |
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49 | you will need to specify unique names for the kernelspecs, | |
41 | and you may also want to specify the display name of those kernels, |
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50 | and you may also want to specify the display name of those kernels, | |
42 | so that you can clearly see which is which in the notebook menus: |
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51 | so that you can clearly see which is which in the notebook menus: | |
43 |
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52 | |||
44 | .. sourcecode:: bash |
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53 | .. sourcecode:: bash | |
45 |
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54 | |||
46 | source activate myenv |
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55 | source activate myenv | |
47 | ipython kernel install --user --name myenv --display-name "Python (myenv)" |
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56 | ipython kernel install --user --name myenv --display-name "Python (myenv)" | |
48 | source activate other-env |
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57 | source activate other-env | |
49 | ipython kernel install --user --name other-env --display-name "Python (other-env)" |
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58 | ipython kernel install --user --name other-env --display-name "Python (other-env)" | |
50 | source deactivate |
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59 | source deactivate | |
51 |
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60 |
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