81 lines
2.9 KiB
Python
81 lines
2.9 KiB
Python
#!/usr/bin/env python3
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# SPDX-License-Identifier: Apache-2.0
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import os
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import argparse
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def touch(trigger):
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# If no trigger file is provided then do a return.
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if trigger is None:
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return
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if os.path.exists(trigger):
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os.utime(trigger, None)
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else:
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with open(trigger, 'w') as fp:
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fp.write("")
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def main():
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parser = argparse.ArgumentParser(
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description='This script will walk the specified directory and write the file specified \
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with the list of all sub-directories found. If to the output file already \
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exists, the file will only be updated in case sub-directories has been added \
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or removed since previous invocation.')
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parser.add_argument('-d', '--directory', required=True,
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help='Directory to walk for sub-directory discovery')
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parser.add_argument('-c', '--create-links', required=False,
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help='Create links for each directory found in directory given')
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parser.add_argument('-o', '--out-file', required=True,
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help='File to write containing a list of all directories found')
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parser.add_argument('-t', '--trigger-file', required=False,
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help='Trigger file to be be touched to re-run CMake')
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args = parser.parse_args()
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dirlist = []
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if args.create_links is not None:
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if not os.path.exists(args.create_links):
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os.makedirs(args.create_links)
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directory = args.directory
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symlink = args.create_links + os.path.sep + directory.replace(os.path.sep, '_')
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if not os.path.exists(symlink):
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os.symlink(directory, symlink)
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dirlist.extend(symlink)
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else:
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dirlist.extend(args.directory)
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dirlist.extend(os.linesep)
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for root, dirs, _ in os.walk(args.directory, topdown=True):
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dirs.sort()
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for subdir in dirs:
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if args.create_links is not None:
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directory = os.path.join(root, subdir)
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symlink = args.create_links + os.path.sep + directory.replace(os.path.sep, '_')
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if not os.path.exists(symlink):
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os.symlink(directory, symlink)
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dirlist.extend(symlink)
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else:
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dirlist.extend(os.path.join(root, subdir))
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dirlist.extend(os.linesep)
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new = ''.join(dirlist)
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existing = ''
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if os.path.exists(args.out_file):
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with open(args.out_file, 'r', encoding="utf-8") as fp:
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existing = fp.read()
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if new != existing:
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with open(args.out_file, 'w', encoding="utf-8") as fp:
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fp.write(new)
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else:
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with open(args.out_file, 'w', encoding="utf-8") as fp:
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fp.write(new)
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# Always touch trigger file to ensure json files are updated
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touch(args.trigger_file)
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if __name__ == "__main__":
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main()
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