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e89f86b74f
Update scripts to use actions/setup-python to install different Python versions. Add run-faber.sh and get-py-env.py scripts. Add test-ubuntu-py-ver.yml CI script to test with different Python versions.
66 lines
1.8 KiB
Python
Executable File
66 lines
1.8 KiB
Python
Executable File
#!/usr/bin/env python3
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#
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# Determine info about the Python install and write shell code to stdout, to
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# set env variables. This will set the variables PY_LDFLAGS, PY_CFLAGS and
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# PY_INC_PATH.
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#
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# The python3-config tool is used as the source of this info. In theory we
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# could use sysconfig as well but the setup-python action from github appears
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# to patch python3-config but not patch the sysconfig info.
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#
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# Usage:
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# eval $(python3 get-py-env.py)
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import os
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import re
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import subprocess
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def get_output(cmd):
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rv = subprocess.run(
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cmd,
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capture_output=True, # Capture stdout and stderr
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text=True, # Decode output as text (UTF-8)
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check=True, # Raise an error if the command fails
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)
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return rv.stdout
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def extract_flags(cmd, prefix):
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flags = []
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for part in get_output(cmd).split():
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part = part.strip()
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if part.startswith(prefix):
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flags.append(part)
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return ' '.join(flags)
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def find_python_h():
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"""Find the include path that has Python.h contained inside.
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We could use INCLUDEPY from sysconfig but github patches
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python3-config but not the sysconfig info (after moving the
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install).
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"""
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c_flags = extract_flags(['python3-config', '--cflags'], '-I')
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for part in c_flags.split():
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m = re.search(r'-I(\S+)', part)
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if not m:
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continue
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inc_path = m.group(1)
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if os.path.exists(os.path.join(inc_path, 'Python.h')):
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return inc_path
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raise SystemExit('cannot find Python.h')
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def main():
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ld_flags = extract_flags(['python3-config', '--ldflags'], '-L')
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c_flags = extract_flags(['python3-config', '--cflags'], '-I')
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include_path = find_python_h()
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print(f'PY_LDFLAGS="{ld_flags}"')
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print(f'PY_CFLAGS="{c_flags}"')
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print(f'PY_INC_PATH="{include_path}"')
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if __name__ == '__main__':
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main()
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