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import os
import csv
import shutil
from pydub import AudioSegment
import multiprocessing
def process_folder(folder_path, output_folder):
print(f"Processing folder: {folder_path}")
# Step 1: Copy wav files and metadata.csv to the output folder
metadata_file = os.path.join(folder_path, "metadata.csv")
output_metadata_file = os.path.join(output_folder, "metadata.csv")
with open(metadata_file, "r") as file, open(output_metadata_file, "w", newline="") as output_file:
reader = csv.reader(file, delimiter="|")
writer = csv.writer(output_file, delimiter="|")
for row in reader:
wav_file = os.path.join(folder_path, row[0] + ".wav")
output_wav_file = os.path.join(output_folder, row[0] + ".wav")
shutil.copy(wav_file, output_wav_file)
print(f"Copied {wav_file} to {output_wav_file}")
writer.writerow(row)
# Step 2: Rename wav files and update metadata.csv
folder_name = os.path.basename(folder_path)
temp_metadata_file = os.path.join(output_folder, "temp_metadata.csv")
with open(output_metadata_file, "r") as file, open(temp_metadata_file, "w", newline="") as temp_file:
reader = csv.reader(file, delimiter="|")
writer = csv.writer(temp_file, delimiter="|")
for row in reader:
old_wav_file = os.path.join(output_folder, row[0] + ".wav")
new_wav_file = os.path.join(output_folder, folder_name + "_" + row[0].split("_")[-1] + ".wav")
os.rename(old_wav_file, new_wav_file)
print(f"Renamed {old_wav_file} to {new_wav_file}")
row[0] = folder_name + "_" + row[0].split("_")[-1]
writer.writerow(row)
os.remove(output_metadata_file)
os.rename(temp_metadata_file, output_metadata_file)
print(f"Updated metadata.csv in {output_folder}")
def merge_folders(base_name, folder_list, output_base_folder):
merged_folder = os.path.join(output_base_folder, base_name)
os.makedirs(merged_folder, exist_ok=True)
print(f"Created merged folder: {merged_folder}")
merged_metadata_file = os.path.join(merged_folder, "metadata.csv")
with open(merged_metadata_file, "w", newline="") as merged_file:
writer = csv.writer(merged_file, delimiter="|")
for folder_path in folder_list:
metadata_file = os.path.join(output_base_folder, os.path.basename(folder_path), "metadata.csv")
with open(metadata_file, "r") as file:
reader = csv.reader(file, delimiter="|")
for row in reader:
row[1] = base_name
writer.writerow(row)
wav_files = [f for f in os.listdir(os.path.join(output_base_folder, os.path.basename(folder_path))) if f.endswith(".wav")]
for wav_file in wav_files:
old_wav_path = os.path.join(output_base_folder, os.path.basename(folder_path), wav_file)
new_wav_path = os.path.join(merged_folder, wav_file)
shutil.move(old_wav_path, new_wav_path)
print(f"Moved {old_wav_path} to {new_wav_path}")
# Remove the processed folder
shutil.rmtree(os.path.join(output_base_folder, os.path.basename(folder_path)))
print(f"Merged metadata.csv files into {merged_metadata_file}")
def process_subfolder(folder_path, output_base_folder):
output_folder = os.path.join(output_base_folder, os.path.basename(folder_path))
os.makedirs(output_folder, exist_ok=True)
process_folder(folder_path, output_folder)
if __name__ == "__main__":
# Set up input and output directories
base_folder = "/media/autometa/datapuddle/movie/whisper-diarization/LJ_Speech_dataset"
output_base_folder = "/media/autometa/datapuddle/movie/whisper-diarization/LJSpeech-dense"
# Create the output base folder if it doesn't exist
os.makedirs(output_base_folder, exist_ok=True)
# Get the list of subfolders
subfolders = [os.path.join(base_folder, folder_name) for folder_name in os.listdir(base_folder) if os.path.isdir(os.path.join(base_folder, folder_name))]
# Group subfolders by their base name and enumeration
folder_groups = {}
for subfolder in subfolders:
base_name = os.path.basename(subfolder).rstrip("0123456789")
if base_name not in folder_groups:
folder_groups[base_name] = []
folder_groups[base_name].append(subfolder)
# Process and merge each group of folders one at a time
for base_name, folder_list in folder_groups.items():
print(f"Processing group: {base_name}")
# Process each subfolder in the group
for folder_path in folder_list:
process_subfolder(folder_path, output_base_folder)
# Merge the folders in the group
merge_folders(base_name, folder_list, output_base_folder)
print("Processing complete.")
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