mirror of
https://github.com/zephyrproject-rtos/zephyr
synced 2025-08-05 18:55:21 +00:00
c41703a020
Print the exact path to the copy of west that was run, to further avoid confusion. Explain exactly what is going away and why. Signed-off-by: Marti Bolivar <marti@foundries.io>
116 lines
3.4 KiB
Python
Executable File
116 lines
3.4 KiB
Python
Executable File
#!/usr/bin/env python3
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# Zephyr launcher which is interoperable with:
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#
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# 1. "mono-repo" Zephyr installations that have 'make flash'
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# etc. supplied by a copy of some west code in scripts/meta.
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#
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# 2. "multi-repo" Zephyr installations where west is provided in a
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# separate Git repository elsewhere.
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#
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# This is basically a copy of the "wrapper" functionality in the west
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# bootstrap script for the multi-repo case, plus a fallback onto the
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# copy in scripts/meta/west for mono-repo installs.
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import os
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import subprocess
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import sys
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import colorama
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if sys.version_info < (3,):
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sys.exit('fatal error: you are running Python 2')
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# Top-level west directory, containing west itself and the manifest.
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WEST_DIR = 'west'
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# Subdirectory to check out the west source repository into.
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WEST = 'west'
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# File inside of WEST_DIR which marks it as the top level of the
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# Zephyr project installation.
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#
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# (The WEST_DIR name is not distinct enough to use when searching for
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# the top level; other directories named "west" may exist elsewhere,
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# e.g. zephyr/doc/west.)
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WEST_MARKER = '.west_topdir'
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class WestError(RuntimeError):
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pass
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class WestNotFound(WestError):
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'''Neither the current directory nor any parent has a West installation.'''
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def find_west_topdir(start):
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'''Find the top-level installation directory, starting at ``start``.
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If none is found, raises WestNotFound.'''
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cur_dir = start
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while True:
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if os.path.isfile(os.path.join(cur_dir, WEST_DIR, WEST_MARKER)):
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return cur_dir
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parent_dir = os.path.dirname(cur_dir)
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if cur_dir == parent_dir:
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# At the root
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raise WestNotFound('Could not find a West installation '
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'in this or any parent directory')
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cur_dir = parent_dir
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def append_to_pythonpath(directory):
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pp = os.environ.get('PYTHONPATH')
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os.environ['PYTHONPATH'] = ':'.join(([pp] if pp else []) + [directory])
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def wrap(topdir, argv):
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# Replace the wrapper process with the "real" west
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# sys.argv[1:] strips the argv[0] of the wrapper script itself
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west_git_repo = os.path.join(topdir, WEST_DIR, WEST)
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argv = ([sys.executable,
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os.path.join(west_git_repo, 'src', 'west', 'main.py')] +
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argv)
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try:
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append_to_pythonpath(os.path.join(west_git_repo, 'src'))
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subprocess.check_call(argv)
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except subprocess.CalledProcessError as e:
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sys.exit(e.returncode)
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def run_scripts_meta_west():
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try:
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subprocess.check_call([sys.executable,
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os.path.join(os.environ['ZEPHYR_BASE'],
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'scripts', 'meta', 'west',
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'main.py')] + sys.argv[1:])
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except subprocess.CalledProcessError as e:
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sys.exit(e.returncode)
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def main():
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try:
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topdir = find_west_topdir(__file__)
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except WestNotFound:
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topdir = None
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try:
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if topdir is not None:
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wrap(topdir, sys.argv[1:])
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else:
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run_scripts_meta_west()
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finally:
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print(colorama.Fore.LIGHTRED_EX, end='')
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print('NOTE: you just ran a copy of west from {};'.
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format(os.path.dirname(__file__)),
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'this will be removed from the Zephyr repository in the future.',
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'West is now developed separately.')
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print(colorama.Style.RESET_ALL, end='', flush=True)
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if __name__ == '__main__':
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main()
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