How you use virtualenv within python script, so we need not to activate it everytime

Question

Currently I'm running this command in terminal:

source /home/protected/env/bin/activate

And then I run this and it works:

python3 /home/protected/ethereum-wallet-generator.py

But it seems like it should be required to enter source /home/protected/env/bin/activate first. Is it not possible to specify the path somewhere within the python script or at least a way to turn this into a one-liner instead of having to send 2 separate commands?

A 2-line batch file or shell script could do this, and you could call the batch file/script with a one-line command. — Gigaflop
– Gigaflop, Commented Oct 9, 2018 at 20:10

vidstige · Accepted Answer · 2018-10-09 20:13:42Z

2

Yes, it is possible. You can just change the shebang to this

#!/home/protected/env/bin/python

Then you invoke the script like so (this is your one-liner)

/home/protected/ethereum-wallet-generator.py

Note that it needs to be executable, you can change it like this

chmod u+x /home/protected/ethereum-wallet-generator.py

If you invoke the python interpreter inside the Virtual Environment, it will act as if the activate script was first sourced. Note that you don't even need to specify "python3", but can just go "python"

edited Oct 9, 2018 at 20:13

answered Oct 9, 2018 at 20:10

vidstige

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4 Comments

Chase Over a year ago

Tried that and got this error:

Traceback (most recent call last):   File "/home/protected/ethereum-wallet-generator.py", line 7, in <module>     import sha3 ModuleNotFoundError: No module named 'sha3'

vidstige Over a year ago

How do you invoke the script?

Chase Over a year ago

I'm just running python3 /home/protected/ethereum-wallet-generator.py

Chase Over a year ago

I see where you said to just run /home/protected/ethereum-wallet-generator.py instead of what I was doing. Thanks it works!

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