Daniel (dB.) DoubrovkineandGitHub
1801ada270
* Added pylint. Signed-off-by: dblock <[email protected]> * Enforce pylint:invalid-name. Signed-off-by: dblock <[email protected]> * Updated the generated code header to prevent broken links. Signed-off-by: dblock <[email protected]> * Swapped order of messages. Signed-off-by: dblock <[email protected]> --------- Signed-off-by: dblock <[email protected]>
106 lines
3.1 KiB
Python
106 lines
3.1 KiB
Python
# -*- coding: utf-8 -*-
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# SPDX-License-Identifier: Apache-2.0
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#
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# The OpenSearch Contributors require contributions made to
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# this file be licensed under the Apache-2.0 license or a
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# compatible open source license.
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#
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# Modifications Copyright OpenSearch Contributors. See
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# GitHub history for details.
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"""Script which verifies that all source files have a license header.
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Has two modes: 'fix' and 'check'. 'fix' fixes problems, 'check' will
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error out if 'fix' would have changed the file.
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"""
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import os
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import re
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import sys
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from typing import Iterator, List
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LINES_TO_KEEP = ["# -*- coding: utf-8 -*-", "#!/usr/bin/env python"]
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LICENSE_HEADER = """
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# SPDX-License-Identifier: Apache-2.0
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#
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# The OpenSearch Contributors require contributions made to
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# this file be licensed under the Apache-2.0 license or a
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# compatible open source license.
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#
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# Modifications Copyright OpenSearch Contributors. See
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# GitHub history for details.
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""".strip()
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def find_files_to_fix(sources: List[str]) -> Iterator[str]:
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"""Iterates over all files and dirs in 'sources' and returns
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only the filepaths that need fixing.
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"""
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for source in sources:
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if os.path.isfile(source) and does_file_need_fix(source):
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yield source
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elif os.path.isdir(source):
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for root, _, filenames in os.walk(source):
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for filename in filenames:
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filepath = os.path.join(root, filename)
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if does_file_need_fix(filepath):
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yield filepath
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def does_file_need_fix(filepath: str) -> bool:
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if not re.search(r"\.py$", filepath):
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return False
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existing_header = ""
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with open(filepath, mode="r") as f:
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for line in f:
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line = line.strip()
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if len(line) == 0 or line in LINES_TO_KEEP:
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pass
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elif line[0] == "#":
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existing_header += line
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existing_header += "\n"
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else:
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break
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return not existing_header.startswith(LICENSE_HEADER)
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def add_header_to_file(filepath: str) -> None:
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with open(filepath, mode="r") as f:
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lines = list(f)
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i = 0
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for i, line in enumerate(lines):
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if len(line) > 0 and line not in LINES_TO_KEEP:
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break
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lines = lines[:i] + [LICENSE_HEADER] + lines[i:]
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with open(filepath, mode="w") as f:
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f.truncate()
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f.write("".join(lines))
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print(f"Fixed {os.path.relpath(filepath, os.getcwd())}")
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def main() -> None:
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mode = sys.argv[1]
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assert mode in ("fix", "check")
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sources = [os.path.abspath(x) for x in sys.argv[2:]]
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files_to_fix = find_files_to_fix(sources)
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if mode == "fix":
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for filepath in files_to_fix:
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add_header_to_file(filepath)
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else:
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no_license_headers = list(files_to_fix)
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if no_license_headers:
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print("No license header found in:")
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cwd = os.getcwd()
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[
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print(f" - {os.path.relpath(filepath, cwd)}")
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for filepath in no_license_headers
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]
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sys.exit(1)
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else:
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print("All files had license header")
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if __name__ == "__main__":
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main()
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