Details
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Improvement
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Status: Resolved
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Low
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Resolution: Fixed
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None
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Operability
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Low Hanging Fruit
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All
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None
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Description
For cqlsh.py this:
#!/usr/bin/env python
is preferable to the current hard coded /usr/bin/python3 which doesn't take into account the python interpreter preferences in the users PATH. 'env' is a system binary in /usr/bin that searches $PATH for strings containing the provided argument and returns the first instance it finds. In the above syntax, env will search for the first instance of python in $PATH and return it.
This is aligned with the recommendations in https://peps.python.org/pep-0394/
For example, on a MacOS Monterey 12.5.1 with both xcode python and brew installed python:
% /usr/bin/python3 --version
Python 3.8.9. (xcode python version)
% /usr/bin/env python --version
Python 3.10.6. (brew python version)
% python --version
Python 3.10.6. (default)
Thus, /usr/bin/python3 doesn't run the expected default python version
Even the official Python tutorial uses the /usr/bin/env form of shebang: https://docs.python.org/3/tutorial/interpreter.html
