<@U051221NF>, <@UB2J9BQA0>: re the `python` vs `py...
# pexw
witty-crayon-22786
07/15/2020, 5:13 PM@happy-kitchen-89482, @hundreds-father-404: re the
pythonpython3witty-crayon-22786
07/15/2020, 5:14 PMa bash script would work. but if all we’re doing is using the bash script to launch pex, it might be possible to encode a better shebang line in the pex.
h
hundreds-father-404
07/15/2020, 5:16 PMShebangs don’t allow for multiple binary names, right? It’s only
pythonpython3python | python3w
witty-crayon-22786
07/15/2020, 5:17 PMsec
witty-crayon-22786
07/15/2020, 5:17 PMchecking.
h
hundreds-father-404
07/15/2020, 5:17 PMI’ve run into this issue multiple times with scripts, where I want to express “this can use >=3.6”. I either have to settle for
python3python3.6w
witty-crayon-22786
07/15/2020, 5:18 PMi think the issue is that the shebang mechanism is built into the kernel, so it doesn’t run under a shell
👍 1
witty-crayon-22786
07/15/2020, 5:19 PMso… one way or another it would need to be a bash script, i think.
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h
hundreds-father-404
07/15/2020, 5:19 PMi think the issue is that the shebang mechanism is built into the kernelHuh, is it really? TIL
w
witty-crayon-22786
07/15/2020, 5:21 PMi wonder if pex could do this though:
Copy code
$ cat blah.sh
#!/usr/bin/env bash
echo "Running a file that contains some garbage on the end..."
exit 0
dskhsdlajljdssd
$ ./blah.sh
Running a file that contains some garbage on the end...witty-crayon-22786
07/15/2020, 5:22 PMie, bootstrap with bash, then include some bash code to locate a python
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witty-crayon-22786
07/15/2020, 5:22 PMit’s certainly easier to just wrap this in bash from the pants side though.
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witty-crayon-22786
07/15/2020, 6:16 PMit also relates to the cluster of issues around https://github.com/pantsbuild/pants/issues/9760 though.
witty-crayon-22786
07/15/2020, 6:17 PMon a host by host basis, you might want configuration for this. we could choose reasonable defaults for local host since we’re running there, but you might need different values for a remote host.
witty-crayon-22786
07/15/2020, 7:01 PMi’ll follow up on this one. but if one of you is able to look at the lambdaex issue, it would be appreciated.