DeepSpeed/scripts/replace_copyright.py

236 строки
8.0 KiB
Python

#!/usr/bin/env python3
# Copyright (c) Microsoft Corporation.
# SPDX-License-Identifier: Apache-2.0
# DeepSpeed Team
"""
USAGE:
$ python3 script/replace_copyright.py --repo_dir ./
"""
import os
import argparse
NEW_COPYRIGHT = ("Copyright (c) Microsoft Corporation.", "SPDX-License-Identifier: Apache-2.0", "", "DeepSpeed Team")
PY_SL_COMMENT = "#"
PY_ML_SINGLE = "'''"
PY_ML_DOUBLE = '"""'
PY_COMMENTS = (PY_SL_COMMENT, PY_ML_SINGLE, PY_ML_DOUBLE)
C_SL_COMMENT = "//"
C_ML_OPEN = "/*"
C_ML_CLOSE = "*/"
C_COMMENTS = (C_SL_COMMENT, C_ML_OPEN, C_ML_CLOSE)
BASH_SL_COMMENT = "#"
BASH_COMMENTS = (BASH_SL_COMMENT, )
DELIM = "|/-\|/-\|BARRIER|/-\|/-\|" # noqa: W605
def parser_args():
parser = argparse.ArgumentParser()
parser.add_argument("--repo_dir", type=str, help="Repository directory")
parser.add_argument("--python_style_ext",
type=str,
nargs="+",
default=[".py"],
help="File types to process with python-style comments")
parser.add_argument("--bash_style_ext",
type=str,
nargs="+",
default=[".sh"],
help="File types to process with bash-style comments")
parser.add_argument("--c_style_ext",
type=str,
nargs="+",
default=[
".c",
".cpp",
".cu",
".h",
".hpp",
".cuh",
".cc",
".hip",
".tr",
],
help="File types to process with C-style comments")
args = parser.parse_args()
return args
# These get_header_* functions are ugly, but they work :)
def get_header_py(fp):
with open(fp, "r") as f:
lines = iter(l for l in f.readlines())
header = []
rest = []
in_multiline = False
multiline_type = None
while (l := next(lines, None)) is not None:
l = l.strip()
if l.startswith(PY_ML_SINGLE) or l.startswith(PY_ML_DOUBLE):
# Detected multiline comment
if in_multiline and multiline_type == l[:3]:
# Ended a multiline comment
in_multiline = False
else:
# Started a multiline comment
in_multiline = True
multiline_type = l[:3]
if l.endswith(multiline_type) and len(l) >= 6:
# Opened and closed multiline comment on single line
in_multiline = False
elif in_multiline and l.endswith(multiline_type):
# Ended a multiline comment
in_multiline = False
elif not (in_multiline or l.startswith(PY_SL_COMMENT) or l == ""):
# Not in a comment
rest += [l + "\n"]
break
header.append(l)
rest += list(lines)
return header, rest
def get_header_c(fp):
with open(fp, "r") as f:
lines = iter(l for l in f.readlines())
header = []
rest = []
in_multiline = False
while (l := next(lines, None)) is not None:
l = l.strip()
if l.startswith(C_ML_OPEN):
# Detected multiline comment
if not l.endswith(C_ML_CLOSE):
# multiline comment not closed on same line
in_multiline = True
elif l.endswith(C_ML_CLOSE):
# Ended a multiline comment
in_multiline = False
elif not in_multiline or l.startswith(C_SL_COMMENT) or l.isspace():
# Not in a comment
rest += [l + "\n"]
break
header.append(l)
rest += list(lines)
return header, rest
def get_header_bash(fp):
with open(fp, "r") as f:
lines = iter(l for l in f.readlines())
header = []
rest = []
while (l := next(lines, None)) is not None:
l = l.strip()
if not l.startswith(BASH_SL_COMMENT) or l.isspace():
# Not in a comment
rest += [l + "\n"]
break
header.append(l)
rest += list(lines)
return header, rest
def remove_comments(line, comment_strs):
for cstr in comment_strs:
line = line.replace(cstr, "")
return line
def format_multiline_comment(text, comment_type):
if comment_type == PY_COMMENTS:
text = f"\n{comment_type[2]}\n" + "\n".join(text) + f"{comment_type[2]}"
if comment_type == C_COMMENTS:
text = f"\n{comment_type[1]}\n" + "\n".join(text) + f"{comment_type[2]}"
if comment_type == BASH_COMMENTS:
text = "\n".join([f"{comment_type[0]}{l}" for l in text])
return text
def modify_file_header(fp, file_header, rest_of_file, preserve_text_store, comment_type):
header_text = "\n".join(file_header)
if not (header_text.strip() == "" or header_text in preserve_text_store):
# Unique header, need to get user input
print("\n", DELIM, "\n")
for idx, line in enumerate(file_header):
print(f"{idx}: {line}")
print("\n", DELIM, "\n")
print("\nIndicate the FIRST line of the Header to KEEP")
print("(shebang #! lines will be automatically processed and should not be included).")
keep_idx = input("Enter number (or leave blank if no lines should be preserved): ")
preserve_text_store[header_text] = file_header[int(keep_idx):] if keep_idx != "" else ""
# Identify any shebang lines in the file
shebang = "\n".join([l for l in file_header if l.startswith("#!")])
if shebang != "":
shebang += "\n"
# Get the text we should preserve in this file and process to remove comment characters
text_to_preserve = preserve_text_store.get(header_text, [""])
text_to_preserve = [remove_comments(l, comment_type) for l in text_to_preserve]
# Format the text we want to keep into a new multiline comment
if "".join(text_to_preserve) == "":
text_to_preserve = ""
else:
text_to_preserve = format_multiline_comment(text_to_preserve, comment_type)
# Generate the copyright text we will be adding
copyright_text = "\n".join([f"{comment_type[0]} {l}" if l != "" else l for l in NEW_COPYRIGHT])
# Assemble the new header
new_header = shebang + copyright_text + text_to_preserve
# Write out the new file
new_file_contents = new_header + "\n" + "".join(rest_of_file)
with open(fp, "w") as f:
f.write(new_file_contents)
return preserve_text_store # Return so we can reuse for future files
def main(args):
preserve_text_store = {} # Used to track header comments we should preserve
for root, dirs, fnames in os.walk(args.repo_dir):
# Walk across directory looking for all files with extensions we want to modify
for ext in args.python_style_ext:
fpaths = [os.path.join(root, fn) for fn in fnames if fn.endswith(ext)]
for fp in fpaths:
file_header, rest_of_file = get_header_py(fp)
preserve_text_store = modify_file_header(fp, file_header, rest_of_file, preserve_text_store,
PY_COMMENTS)
for ext in args.c_style_ext:
fpaths = [os.path.join(root, fn) for fn in fnames if fn.endswith(ext)]
for fp in fpaths:
file_header, rest_of_file = get_header_c(fp)
preserve_text_store = modify_file_header(fp, file_header, rest_of_file, preserve_text_store,
C_COMMENTS)
for ext in args.bash_style_ext:
fpaths = [os.path.join(root, fn) for fn in fnames if fn.endswith(ext)]
for fp in fpaths:
file_header, rest_of_file = get_header_bash(fp)
preserve_text_store = modify_file_header(fp, file_header, rest_of_file, preserve_text_store,
BASH_COMMENTS)
if __name__ == "__main__":
args = parser_args()
main(args)