text: from compute import datarate as compute_datarate
  from compute import power as compute_power
  from compute import timeline as compute_timeline
  from flask import Flask, request, redirect, url_for, send_from_directory
  from flask import render_template
  from model import InputForm
  from werkzeug import secure_filename
  import os
  import sys
  
  app = Flask(__name__)
  
  TEMPLATE_NAME = 'view_index'
  
  UPLOAD_FOLDER = '/tmp'
  ALLOWED_EXTENSIONS = set(['txt', 'out'])
  
  app = Flask(__name__)
  app.config['UPLOAD_FOLDER'] = UPLOAD_FOLDER
  app.config['MAX_CONTENT_LENGTH'] = 16 * 1024 * 1024
  
  
  def allowed_file(filename):
      return '.' in filename and \
             filename.rsplit('.', 1)[1] in ALLOWED_EXTENSIONS
  
  
  @app.route('/', methods=['GET', 'POST'])
  def index():
  
      upload = {'active': 'active'}
      timeline = {'data': None, 'active': None}
      datarate = {'data': None, 'active': None}
      power = {'data': None, 'active': None}
  
      if request.method == 'POST':
  
          # file = request.files['file']
          uploaded_files = request.files.getlist("file[]")
  
          filenames = []
  
          for file in uploaded_files:
              if file and allowed_file(file.filename):
                  filename = secure_filename(file.filename)
                  filepath = os.path.join(app.config['UPLOAD_FOLDER'],
                                          filename)
  
                  file.save(filepath)
  
                  # timeline
                  if filename.startswith('timeline'):
                      timeline['data'] = compute_timeline(filepath)
                      timeline['active'] = 'active'
  
                      datarate['active'] = None
                      power['active'] = None
  
                  # datarate
                  if filename.startswith('data_rate_avg'):
                      datarate['data'] = compute_datarate(filepath)
                      datarate['active'] = 'active'
  
                      power['active'] = None
                      timeline['active'] = None
  
                  # datarate
                  if filename.startswith('power_avg'):
                      power['data'] = compute_power(filepath)
                      power['active'] = 'active'
  
                      datarate['active'] = None
                      timeline['active'] = None
  
  
      return render_template(TEMPLATE_NAME + '.html', upload=upload,
          timeline=timeline, datarate=datarate, power=power)
  
  if __name__ == '__main__':
      app.run(debug=True)