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| == creating a new virtual environment ==
| | #REDIRECT [[Python#Virtual environments]] |
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| <source lang='bash'>
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| virtualenv newenv
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| </source>
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| == activating a virtual environment ==
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| <source lang='bash'>
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| source newenv/bin/activate
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| </source>
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| <code>
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| (newenv)hjm@ubuntu:~$
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| </code>
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| == deactivating a virtual environment ==
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| <source lang='bash'>
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| deactivate
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| </source>
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| === Make IPython work under virtualenv ===
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| source testenv/bin/activate
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| | |
| <code>
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| File "/usr/bin/ipython", line 11
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| print "Could not start qtconsole. Please install ipython-qtconsole"
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| ^
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| </code>
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| This can be resolved by adding a soft link with the name <code>ipython</code> to the <code>bin</code> directory in the virtual environment folder.
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| <source lang='bash'>
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| ln -s /path/to/virtenv/bin/ipython3 /path/to/virtenv/bin/ipython
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| </source>
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