Created
February 4, 2014 04:12
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| import os | |
| import subprocess | |
| from flask import Flask, request, redirect, url_for, send_from_directory | |
| from werkzeug import secure_filename, SharedDataMiddleware | |
| from pydub import AudioSegment | |
| DOWNLOAD_FOLDER = 'downloads/' | |
| UPLOAD_FOLDER = 'uploads/' | |
| ALLOWED_EXTENSIONS = set(['mp3', 'mp4', 'wav', 'ogg', 'flac', 'gif']) | |
| app = Flask(__name__) | |
| app.config['UPLOAD_FOLDER'] = UPLOAD_FOLDER | |
| app.config['DOWNLOAD_FOLDER'] = DOWNLOAD_FOLDER | |
| app.add_url_rule('/uploads/<filename>', 'uploaded_file', | |
| build_only=True) | |
| app.wsgi_app = SharedDataMiddleware(app.wsgi_app, { | |
| '/uploads': app.config['UPLOAD_FOLDER'] | |
| }) | |
| def allowed_file(filename): | |
| return '.' in filename and \ | |
| filename.rsplit('.', 1)[1] in ALLOWED_EXTENSIONS | |
| @app.route('/', methods=['GET', 'POST']) | |
| def upload_file(): | |
| if request.method == 'POST': | |
| file = request.files['file'] | |
| if file and allowed_file(file.filename): | |
| filename = secure_filename(file.filename) | |
| filepath = os.path.join(app.config['UPLOAD_FOLDER'], filename) | |
| file.save(os.path.join(filepath)) | |
| filepath2 = os.path.join(app.config['DOWNLOAD_FOLDER'], secure_filename('nu_shit2.wav')) | |
| stretch_it(filepath, filepath2) | |
| return redirect(url_for('uploaded_file', | |
| filename=secure_filename('nu_shit2.wav'))) | |
| return ''' | |
| <!doctype html> | |
| <title>Upload new File</title> | |
| <h1>Upload new File</h1> | |
| <form action="" method=post enctype=multipart/form-data> | |
| <p><input type=file name=file> | |
| <input type=submit value=Upload> | |
| </form> | |
| ''' | |
| def convert_to_wav(file): | |
| ext = os.path.splitext(file)[1] | |
| if ext.toLowerCase() == 'wav': | |
| return file | |
| else: | |
| converted_track = AudioSegment.from_file(file, ext) | |
| return converted_track | |
| @app.route('/downloads/<filename>') | |
| def uploaded_file(filename): | |
| return send_from_directory(app.config['DOWNLOAD_FOLDER'], | |
| filename) | |
| def stretch_it(filename, new_filename): | |
| subprocess.call(["python", "./lib/paulstretch_stereo.py", filename, new_filename]) | |
| if __name__ == "__main__": | |
| app.run() |
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