AmineChikhaoui/video_process.py

## video_process.py
#! /usr/bin/python

from flask import Flask,request, render_template, make_response, send_file
from werkzeug import secure_filename
import subprocess
import os

UPLOAD_FOLDER = 'Bucket/'
ALLOWED_EXTENSIONS = set(['mp4','txt', 'jpg', 'jpeg'])

app = Flask(__name__)
app.config['UPLOAD_FOLDER'] = UPLOAD_FOLDER
# Check if the file passed in the http request is allowed
def allowed_file(filename):
    return '.' in filename and filename.rsplit('.',1)[1] in ALLOWED_EXTENSIONS

@app.route("/", methods = ['GET','POST'])
def toAudio():
	# Try catch block for checking whether the upload folder is created or not
    try:
        print os.getcwd()
        os.stat(app.config['UPLOAD_FOLDER'])
    except:
        os.mkdir(app.config['UPLOAD_FOLDER'])
    print "end try catch block"
    if request.method == 'POST':
        print "begin process"
        file = request.files['file'] # gets the file from the http request
        if file and allowed_file(file.filename):
            print "begin if"
            filename = secure_filename(file.filename)
            file.save(os.path.join(app.config['UPLOAD_FOLDER'], filename)) # save the original mp4 file into the upload folder
            print "saved"
            name = os.path.join(app.config['UPLOAD_FOLDER'], filename) # build the path to the original mp4 file
            new_filename = os.path.splitext(filename)[0] + '.mp3' # name of the destination file (.mp3)
            print "new filename"
            # call to the external command ffmpeg
	    sp = subprocess.Popen(['ffmpeg', '-i', os.path.join(app.config['UPLOAD_FOLDER'], filename), new_filename], stdout=subprocess.PIPE)
            sp.wait(); # wait till the video converting ends
            # once the mp3 file is created, it will be opened and wrapped in the http response
	    res = open(new_filename, 'rb')
            raw_res = res.read()
            response = make_response(raw_res)
            response.headers['Content-Type'] = "application/octet-stream"
            response.headers['Content-Disposition']= "inline; filename="+ new_filename
            return response
    # if the request method is GET, show an html form to upload the mp4 file
    return '''
    <!DOCTYPE html>
    <title>Upload</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>
    '''
if __name__=="__main__":
    app.run()
	#! /usr/bin/python

	from flask import Flask,request, render_template, make_response, send_file
	from werkzeug import secure_filename
	import subprocess
	import os

	UPLOAD_FOLDER = 'Bucket/'
	ALLOWED_EXTENSIONS = set(['mp4','txt', 'jpg', 'jpeg'])

	app = Flask(__name__)
	app.config['UPLOAD_FOLDER'] = UPLOAD_FOLDER
	# Check if the file passed in the http request is allowed
	def allowed_file(filename):
	return '.' in filename and filename.rsplit('.',1)[1] in ALLOWED_EXTENSIONS

	@app.route("/", methods = ['GET','POST'])
	def toAudio():
	# Try catch block for checking whether the upload folder is created or not
	try:
	print os.getcwd()
	os.stat(app.config['UPLOAD_FOLDER'])
	except:
	os.mkdir(app.config['UPLOAD_FOLDER'])
	print "end try catch block"
	if request.method == 'POST':
	print "begin process"
	file = request.files['file'] # gets the file from the http request
	if file and allowed_file(file.filename):
	print "begin if"
	filename = secure_filename(file.filename)
	file.save(os.path.join(app.config['UPLOAD_FOLDER'], filename)) # save the original mp4 file into the upload folder
	print "saved"
	name = os.path.join(app.config['UPLOAD_FOLDER'], filename) # build the path to the original mp4 file
	new_filename = os.path.splitext(filename)[0] + '.mp3' # name of the destination file (.mp3)
	print "new filename"
	# call to the external command ffmpeg
	sp = subprocess.Popen(['ffmpeg', '-i', os.path.join(app.config['UPLOAD_FOLDER'], filename), new_filename], stdout=subprocess.PIPE)
	sp.wait(); # wait till the video converting ends
	# once the mp3 file is created, it will be opened and wrapped in the http response
	res = open(new_filename, 'rb')
	raw_res = res.read()
	response = make_response(raw_res)
	response.headers['Content-Type'] = "application/octet-stream"
	response.headers['Content-Disposition']= "inline; filename="+ new_filename
	return response
	# if the request method is GET, show an html form to upload the mp4 file
	return '''
	<!DOCTYPE html>
	<title>Upload</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>
	'''
	if __name__=="__main__":
	app.run()