initial code commit

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2024-12-23 17:45:16 +02:00
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import yt_dlp
import librosa
import numpy as np
import os
import requests
import pandas as pd
import numpy as np
# Constants
COOKIES_PATH = "youtube_cookies.txt" # Path to your cookies file
OUTPUT_AUDIO = "audio.wav" # Output audio file for Librosa processing
# Step 1: Download audio from YouTube
def download_audio(video_url, output_path, cookies_path):
ydl_opts = {
"format": "bestaudio/best",
"cookiefile": cookies_path,
"postprocessors": [
{ # Convert audio to WAV format for Librosa
"key": "FFmpegExtractAudio",
"preferredcodec": "wav",
}
],
"outtmpl": output_path,
}
with yt_dlp.YoutubeDL(ydl_opts) as ydl:
ydl.download([video_url])
print(f"Downloaded and converted audio to {output_path}")
# Step 2: Extract audio features using Librosa
def extract_audio_features(audio_path):
y, sr = librosa.load(audio_path, sr=None) # Load audio
features = {
"tempo": librosa.feature.tempo(y=y, sr=sr)[0], # Tempo in BPM
"mfcc": np.mean(librosa.feature.mfcc(y=y, sr=sr, n_mfcc=13).T, axis=0), # MFCCs
"spectral_contrast": np.mean(
librosa.feature.spectral_contrast(y=y, sr=sr).T, axis=0
),
"chroma_stft": np.mean(librosa.feature.chroma_stft(y=y, sr=sr).T, axis=0),
}
print("Extracted audio features:", features)
return features
# Step 3: Query MusicBrainz or Discogs for metadata
def fetch_metadata(title, artist):
# Example: Fetch metadata from MusicBrainz
base_url = "https://musicbrainz.org/ws/2/recording/"
params = {
"query": f"{title} AND artist:{artist}",
"fmt": "json",
}
response = requests.get(base_url, params=params)
if response.status_code == 200:
results = response.json().get("recordings", [])
if results:
metadata = {
"title": results[0].get("title"),
"artist": results[0]
.get("artist-credit", [{}])[0]
.get("artist", {})
.get("name"),
"release_date": results[0].get("first-release-date"),
"genres": results[0].get("tags", []),
}
print("Fetched metadata from MusicBrainz:", metadata)
return metadata
else:
print("No results found on MusicBrainz.")
else:
print(f"MusicBrainz API error: {response.status_code}")
return None
# Main pipeline (one at a time)
if __name__ == "__main__":
video_url = "https://www.youtube.com/watch?v=UoCxdh7qQHE"
# Step 1: Download audio
download_audio(video_url, OUTPUT_AUDIO.replace(".wav", ""), COOKIES_PATH)
# Step 2: Extract audio features
audio_features = extract_audio_features(OUTPUT_AUDIO)
# Step 3: Fetch metadata
youtube_title = "Turning Into Night" # Example, fetch dynamically from yt-dlp metadata if needed
youtube_artist = "Jamie Berry"
metadata = fetch_metadata(youtube_title, youtube_artist)
data = {
**metadata,
**{f"mfcc_{i}": val for i, val in enumerate(audio_features["mfcc"])},
**{
f"spectral_contrast_{i}": val
for i, val in enumerate(audio_features["spectral_contrast"])
},
**{
f"chroma_stft_{i}": val
for i, val in enumerate(audio_features["chroma_stft"])
},
"tempo": audio_features["tempo"],
}
# Convert to a DataFrame
df = pd.DataFrame([data])
# Save to Parquet
output_file = "output.parquet"
df.to_parquet(output_file, engine="pyarrow", index=False)
# Clean up downloaded audio (optional)
os.remove(OUTPUT_AUDIO)
print("Pipeline complete.")
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import yt_dlp
import librosa
import numpy as np
import os
import json
import requests
import pandas as pd
from concurrent.futures import ThreadPoolExecutor
from datetime import datetime
# Constants
COOKIES_PATH = "Downloader/secret/youtube_cookies.txt"
TEMP_AUDIO_DIR = "temp_audio" # dir to store temporary audio files in
OUTPUT_FILE = "output.parquet"
ERROR_LOG_FILE = "error_log.txt"
MAX_WORKERS = 6
# Ensure temporary directory exists
os.makedirs(TEMP_AUDIO_DIR, exist_ok=True)
# Function to log errors
def log_error(message: str):
with open(ERROR_LOG_FILE, "a") as log_file:
timestamp = datetime.now().strftime("%Y-%m-%d %H:%M:%S")
log_file.write(f"[{timestamp}] {message}\n")
def get_youtube_music_title(url: str) -> str:
try:
ydl_opts = {
'quiet': True,
'no_warnings': True,
'skip_download': True,
}
with yt_dlp.YoutubeDL(ydl_opts) as ydl:
info = ydl.extract_info(url, download=False)
return info.get('title', 'No title found')
except Exception as e:
log_error(f"Failed to retrieve title for URL {url}: {e}")
return "Unknown Title"
def download_audio(video_url, output_path, cookies_path):
try:
ydl_opts = {
"format": "bestaudio/best",
"cookiefile": cookies_path,
"postprocessors": [
{"key": "FFmpegExtractAudio", "preferredcodec": "wav"}
],
"outtmpl": output_path,
}
with yt_dlp.YoutubeDL(ydl_opts) as ydl:
ydl.download([video_url])
print(f"Downloaded and converted audio to {output_path}")
except Exception as e:
log_error(f"Failed to download audio for {video_url}: {e}")
raise
def extract_audio_features(audio_path):
try:
y, sr = librosa.load(audio_path, sr=None)
features = {
"tempo": librosa.beat.tempo(y=y, sr=sr)[0],
"mfcc": np.mean(librosa.feature.mfcc(y=y, sr=sr, n_mfcc=13).T, axis=0),
"spectral_contrast": np.mean(librosa.feature.spectral_contrast(y=y, sr=sr).T, axis=0),
"chroma_stft": np.mean(librosa.feature.chroma_stft(y=y, sr=sr).T, axis=0),
}
print("Extracted audio features:", features)
return features
except Exception as e:
log_error(f"Failed to extract features from {audio_path}: {e}")
raise
def fetch_metadata(title, artist="Unknown"):
try:
base_url = "https://musicbrainz.org/ws/2/recording/"
params = {"query": title, "fmt": "json"}
response = requests.get(base_url, params=params)
if response.status_code == 200:
results = response.json().get("recordings", [])
if results:
metadata = {
"title": results[0].get("title"),
"artist": results[0].get("artist-credit", [{}])[0].get("artist", {}).get("name"),
"release_date": results[0].get("first-release-date"),
"genres": results[0].get("tags", []),
}
print("Fetched metadata from MusicBrainz:", metadata)
return metadata
log_error(f"No results from MusicBrainz for {title} by {artist}")
except Exception as e:
log_error(f"Failed to fetch metadata for {title}: {e}")
return {"title": title, "artist": artist, "release_date": None, "genres": []}
def process_song(video_url):
title = get_youtube_music_title(video_url)
audio_path = os.path.join(TEMP_AUDIO_DIR, f"{title.replace(' ', '_')}.wav")
try:
download_audio(video_url, audio_path.replace(".wav", ""), COOKIES_PATH)
audio_features = extract_audio_features(audio_path)
metadata = fetch_metadata(title)
data = {
**metadata,
**{f"mfcc_{i}": val for i, val in enumerate(audio_features["mfcc"])},
**{f"spectral_contrast_{i}": val for i, val in enumerate(audio_features["spectral_contrast"])},
**{f"chroma_stft_{i}": val for i, val in enumerate(audio_features["chroma_stft"])},
"tempo": audio_features["tempo"],
}
return data
except Exception as e:
log_error(f"Failed to process song {title} from URL {video_url}: {e}")
return None
finally:
if os.path.exists(audio_path):
os.remove(audio_path)
def read_urls_from_json(data_dir):
urls = []
for filename in os.listdir(data_dir):
if filename.endswith(".json"):
file_path = os.path.join(data_dir, filename)
try:
with open(file_path, "r") as f:
data = json.load(f)
if isinstance(data, list):
urls.extend(data)
elif isinstance(data, dict) and "url" in data:
urls.append(data["url"])
except json.JSONDecodeError as e:
log_error(f"Failed to read JSON file {file_path}: {e}")
return [url for url in urls if url]
if __name__ == "__main__":
try:
songs = read_urls_from_json('data')
with ThreadPoolExecutor(max_workers=MAX_WORKERS) as executor:
results = list(executor.map(process_song, songs))
processed_data = [result for result in results if result is not None]
df = pd.DataFrame(processed_data)
df.to_parquet(OUTPUT_FILE, engine="pyarrow", index=False)
print(f"Data saved to {OUTPUT_FILE}")
except Exception as e:
log_error(f"Pipeline failed: {e}")
finally:
if os.path.exists(TEMP_AUDIO_DIR):
os.rmdir(TEMP_AUDIO_DIR)
print("Pipeline complete.")