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app.py
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app.py
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#----------------------------------------------------------------------------#
# Imports
#----------------------------------------------------------------------------#
from flask import Flask, render_template, request
from flask import flash,send_from_directory
from flask import redirect, url_for, jsonify
from werkzeug.utils import secure_filename
# from flask.ext.sqlalchemy import SQLAlchemy
import logging
from logging import Formatter, FileHandler
import os
import cv2
from ip_scripts.selective_blur import selective_blur
from ip_scripts.inpaint import inpaint_image
#----------------------------------------------------------------------------#
# App Config.
#----------------------------------------------------------------------------#
UPLOAD_FOLDER = '/Users/kanishkgandhi/Documents/coursework/ee604/flask-boilerplate/uploads'
ALLOWED_EXTENSIONS = set([ 'png', 'jpg', 'jpeg'])
app = Flask(__name__)
app.config.from_object('config')
app.config['UPLOAD_FOLDER'] = UPLOAD_FOLDER
#db = SQLAlchemy(app)
# Automatically tear down SQLAlchemy.
# @app.teardown_request
# def shutdown_session(exception=None):
# db_session.remove()
# Login required decorator.
'''
def login_required(test):
@wraps(test)
def wrap(*args, **kwargs):
if 'logged_in' in session:
return test(*args, **kwargs)
else:
flash('You need to login first.')
return redirect(url_for('login'))
return wrap
'''
#----------------------------------------------------------------------------#
# Controllers.
#----------------------------------------------------------------------------#
# @app.route('/')
# def home():
# return render_template('pages/placeholder.home.html')
@app.after_request
def add_header(r):
"""
Add headers to both force latest IE rendering engine or Chrome Frame,
and also to cache the rendered page for 10 minutes.
"""
r.headers["Cache-Control"] = "no-cache, no-store, must-revalidate"
r.headers["Pragma"] = "no-cache"
r.headers["Expires"] = "0"
return r
def allowed_file(filename):
return '.' in filename and \
filename.rsplit('.', 1)[1].lower() in ALLOWED_EXTENSIONS
@app.route('/', methods=['GET', 'POST'])
def upload_file():
print 'starting'
if request.method == 'POST':
# check if the post request has the file part
if 'file' not in request.files:
flash('No file part')
return redirect(request.url)
file = request.files['file']
# if user does not select file, browser also
# submit a empty part without filename
# if file.filename == '':
# flash('No selected file')
# return redirect(request.url)
if file and allowed_file(file.filename):
filename = secure_filename(file.filename)
file.save(os.path.join(app.config['UPLOAD_FOLDER'], filename))
# return redirect(url_for('uploaded_file',
# filename=filename))
return render_template(
'forms/home.html',filename=filename ,target=filename)
return render_template(
'forms/home.html',filename='temp.jpg',target='temp.jpg')
@app.route('/upload',methods=['GET','POST'])
def upload_ajax():
if request.method == 'POST':
print "upp"
# check if the post request has the file part
if 'file' not in request.files:
flash('No file part')
return redirect(request.url)
file = request.files['file']
# if user does not select file, browser also
# submit a empty part without filename
# if file.filename == '':
# flash('No selected file')
# return redirect(request.url)
if file and allowed_file(file.filename):
filename = secure_filename(file.filename)
file.save(os.path.join(app.config['UPLOAD_FOLDER'], filename))
print "saved"
return jsonify({'url':'/uploads/'+filename})
return
@app.route('/uploads/<filename>')
def uploaded_file(filename):
return send_from_directory(app.config['UPLOAD_FOLDER'],
filename)
@app.route('/blur',methods=['POST'])
def blur_image():
print 'blurring'
if request.method =='POST':
img_loc = request.form['imgsrc']
print img_loc
filename = img_loc.split('/')[-1]
image = cv2.imread(img_loc[1:])
p2 = [int(float(x)) for x in request.form['p2'].split(':')]
p1 = [int(float(x)) for x in request.form['p1'].split(':')]
if request.form['m'] =='1':
image = selective_blur(image,'ss',p1,p2)
else:
image = selective_blur(image,'gc',p1,p2)
cv2.imwrite(os.path.join(app.config['UPLOAD_FOLDER'],
filename[:-4]+'targetb.jpg'),image)
target = filename[:-4]+'targetb.jpg'
return jsonify({'url':'/uploads/'+target})
return
@app.route('/inpaint',methods=['POST'])
def inpaint():
print 'blurring'
if request.method =='POST':
img_loc = request.form['imgsrc']
print img_loc
filename = img_loc.split('/')[-1]
image = cv2.imread(img_loc[1:])
p2 = [int(float(x)) for x in request.form['p2'].split(':')]
p1 = [int(float(x)) for x in request.form['p1'].split(':')]
if request.form['m'] =='1':
image = inpaint_image(image,'ss',p1,p2)
else:
image = inpaint_image(image,'gc',p1,p2)
cv2.imwrite(os.path.join(app.config['UPLOAD_FOLDER'],
filename[:-4]+'targeti.jpg'),image)
target = filename[:-4]+'targeti.jpg'
return jsonify({'url':'/uploads/'+target})
return
@app.route('/about')
def about():
return render_template('pages/placeholder.about.html')
# Error handlers.
@app.errorhandler(500)
def internal_error(error):
#db_session.rollback()
return render_template('errors/500.html'), 500
@app.errorhandler(404)
def not_found_error(error):
return render_template('errors/404.html'), 404
if not app.debug:
file_handler = FileHandler('error.log')
file_handler.setFormatter(
Formatter('%(asctime)s %(levelname)s: %(message)s [in %(pathname)s:%(lineno)d]')
)
app.logger.setLevel(logging.INFO)
file_handler.setLevel(logging.INFO)
app.logger.addHandler(file_handler)
app.logger.info('errors')
#----------------------------------------------------------------------------#
# Launch.
#----------------------------------------------------------------------------#
# Default port:
if __name__ == '__main__':
app.run()
# Or specify port manually:
# if __name__ == '__main__':
# port = int(os.environ.get('PORT', 5000))
# app.run(host='0.0.0.0', port=port)