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python [2017/10/12 18:13]
popel 		python [2017/10/13 12:06]
bojar [Virtual environments] caveat about shebangs
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     python3 -m venv my-project-name     python3 -m venv my-project-name
 where ''my-project-name'' can be a relative or absolute path to a directory which will be created. where ''my-project-name'' can be a relative or absolute path to a directory which will be created.
 +**Caveat:** the path to the directory should be rather short, there is a limit on shebang paths so you can get strange errors like ''ipython3: bad interpreter: No such file or directory'' if your ipython3 installed in the venv starts with ''#!/...a..very..long..path...''
 +
 You can use any Python version for the new environment, e.g. ''/opt/python/3.5.4/bin/python3 -m venv my-project-name-python3.5'' You can use any Python version for the new environment, e.g. ''/opt/python/3.5.4/bin/python3 -m venv my-project-name-python3.5''
 Then activate it with Then activate it with

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