def find_and_replace()

in utils/bump-version.py [0:0]

• 10 lines of code
• 5 McCabe index (conditional complexity)

def find_and_replace(path, pattern, replace):
    # Does a find and replace within a file path and complains
    # if the given pattern isn't found in the file.
    with open(path, "r") as f:
        old_data = f.read()

    if re.search(pattern, old_data, flags=re.MULTILINE) is None:
        print(f"Didn't find the pattern {pattern!r} in {path!s}")
        exit(1)

    new_data = re.sub(pattern, replace, old_data, flags=re.MULTILINE)
    with open(path, "w") as f:
        f.truncate()
        f.write(new_data)