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49 lines
1.5 KiB
Python
Executable File
49 lines
1.5 KiB
Python
Executable File
#!/usr/bin/env bash
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# Modern Linux and macOS systems commonly only have a thing called `python3` and
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# not `python`, while Windows commonly does not have `python3`, so we cannot
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# directly use python in the shebang and have it consistently work. Instead we
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# embed some bash to look for a python to run the rest of the script.
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#
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# On Windows, `py -3` sometimes works. We need to try it first because `python3`
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# sometimes tries to launch the app store on Windows.
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'''':
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for PYTHON in "py -3" python3 python python2; do
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if command -v $PYTHON >/dev/null; then
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exec $PYTHON "$0" "$@"
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break
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fi
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done
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echo "$0: error: did not find python installed" >&2
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exit 1
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'''
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# The rest of this file is Python.
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#
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# This file is only a "symlink" to bootstrap.py, all logic should go there.
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import os
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import sys
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# If this is python2, check if python3 is available and re-execute with that
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# interpreter.
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#
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# `./x.py` would not normally benefit from this because the bash above tries
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# python3 before 2, but this matters if someone ran `python x.py` and their
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# system's `python` is python2.
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if sys.version_info.major < 3:
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try:
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os.execvp("py", ["py", "-3"] + sys.argv)
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except OSError:
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try:
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os.execvp("python3", ["python3"] + sys.argv)
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except OSError:
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# Python 3 isn't available, fall back to python 2
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pass
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rust_dir = os.path.dirname(os.path.abspath(__file__))
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sys.path.append(os.path.join(rust_dir, "src", "bootstrap"))
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import bootstrap
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bootstrap.main()
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