This code is for default package name of webrtc to custom package name

change_webrtc_name.py

import os
import re
import argparse
import multiprocessing



def process_files(folder_path, old_str, new_str):
    for root, dirs, files in os.walk(folder_path):
        for file in files:
            file_path = os.path.join(root, file)
            replace_in_files(file_path, old_str, new_str)

def process_files_parallel(folder_path, old_str, new_str):
    pool = multiprocessing.Pool()
    for root, dirs, files in os.walk(folder_path):
        for file in files:
            if file.endswith(".txt"):
                file_path = os.path.join(root, file)
                pool.apply_async(replace_in_files, args=(file_path, old_str, new_str))
    pool.close()
    pool.join()

def replace_in_files(file_path, old_str, new_str):
        try:
            with open(file_path, 'r', encoding='utf-8') as file:
                # print(f"Processing: Processing {file_path}....")
                content = file.read()
                # Use regular expression to match whole words and case
                # pattern = r"\b{}\b".format(old_str)
                regex = re.compile(old_str)
                if regex.search(content):
                    # Replace old_str with new_str in the file content
                    new_content = regex.sub(new_str, content)       
                    with open(file_path, 'w', encoding='utf-8') as file:
                        file.write(new_content)
                        print(f"SUCCESS: Replace {file_path}....")

        except UnicodeDecodeError:
            print(f"UnicodeDecodeError Error:  Skipping {file_path}...")
            pass
        except FileNotFoundError:
            print(f"File not found Error:  Skipping...")
            pass

def rename_folders(folder_path, old_str, new_str, parallel=False):
    if parallel:
        pool = multiprocessing.Pool()
        for root, dirs, files in os.walk(folder_path, topdown=False):
            for folder in dirs:
                # if (folder == "out" or folder =="sdk" or folder=="rtc_base"):
                if (old_str in folder):
                    # print(f"Proscessing:  Processing {folder}....")
                    # Use regular expression to match whole words and case
                    pattern = r"\b{}\b".format(old_str)
                    regex = re.compile(pattern)
                    if regex.search(folder):
                        # Replace old_str with new_str in the directory name
                        new_dirname = regex.sub(new_str, folder)
                        old_path = os.path.join(root, folder)
                        new_path = os.path.join(root, new_dirname)
                        print(f"SUCCESS: Rename {old_path} to {new_path}")
                        pool.apply_async(os.rename, args=(old_path, new_path))
        pool.close()
        pool.join()
    else:
        for root, dirs, files in os.walk(folder_path, topdown=False):
            for folder in dirs:
                if old_str in folder:
                   # Use regular expression to match whole words and case
                    pattern = r"\b{}\b".format(old_str)
                    regex = re.compile(pattern)
                    if regex.search(folder):
                        # Replace old_str with new_str in the directory name
                        new_dirname = regex.sub(new_str, folder)
                        old_path = os.path.join(root, folder)
                        new_path = os.path.join(root, new_dirname)
                        os.rename(old_path, new_path)


if __name__ == "__main__":
    parser = argparse.ArgumentParser(description="Replace all instances of a string in all files in a directory.")
    parser.add_argument("root_dir", help="The root directory to search for files.")
    # parser.add_argument("old_str", help="The string to replace.")
    parser.add_argument("new_str", help="The new string to replace with.")
    parser.add_argument("--parallel", action="store_true", help="Process files in parallel.")
    args = parser.parse_args()

    # how to use
    # python change_webrtc_name.py src/ imedia --parallel


    if args.parallel:
        # rename_folders(args.root_dir, "webrtc", args.new_str+"webrtc", True)
        rename_folders("src/sdk", "webrtc", args.new_str+"webrtc", True)
        rename_folders("src/out", "webrtc", args.new_str+"webrtc", True)
        rename_folders("src/rtc_base", "webrtc", args.new_str+"webrtc", True)
        rename_folders("src/modules", "webrtc", args.new_str+"webrtc", True)

        #Change back to original
        # rename_folders(args.root_dir, "imediawebrtc", "webrtc", True)

    else:
        # rename_folders(args.root_dir, "webrtc", args.new_str+"webrtc")

        rename_folders("src/sdk", "webrtc", args.new_str+"webrtc")
        rename_folders("src/out", "webrtc", args.new_str+"webrtc")
        rename_folders("src/rtc_base", "webrtc", args.new_str+"webrtc")
        rename_folders("src/modules", "webrtc", args.new_str+"webrtc", True)

    
        #Change back to original
        # rename_folders(args.root_dir, "imediawebrtc", "webrtc", True)