Passed
Push — master ( ba98a5...9565ab )
by Mehmet
02:02
created

BucketHandler.inner_determine_box()   A

Complexity

Conditions 2

Size

Total Lines 13

Duplication

Lines 0
Ratio 0 %
Metric Value
cc 2
dl 0
loc 13
rs 9.4285
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#!/usr/bin/env python3.5
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# -*- coding: utf-8 -*-
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import os
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import ujson as json
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import tornado.httpserver
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import tornado.ioloop
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import tornado.options
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import tornado.web
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from tornado.options import define, options
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from PIL import Image
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from io import BytesIO
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define("port", default=8888, help="run on the given port", type=int)
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define("originals_path", default='', help="full path to original images folder", type=str)
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define("buckets_path", default='', help="full path to buckets folder", type=str)
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class BaseHandler(tornado.web.RequestHandler):
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    def set_default_headers(self):
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        self.set_header('Access-Control-Allow-Origin', '*')
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        self.set_header('Access-Control-Allow-Methods', 'GET')
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        self.set_header('Access-Control-Max-Age', 1000)
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        self.set_header('Access-Control-Allow-Headers', '*')
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        self.set_header('Content-type', 'application/json')
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        self.set_header('Server', 'reformo/rcdn')
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        self.set_status(200, 'Success')
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class ReturnImageHandler(tornado.web.RequestHandler):
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    def set_default_headers(self):
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        self.set_header('Access-Control-Allow-Origin', '*')
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        self.set_header('Access-Control-Allow-Methods', 'GET')
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        self.set_header('Access-Control-Max-Age', 1000)
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        self.set_header('Access-Control-Allow-Headers', '*')
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        self.set_header('Server', 'reformo/rcdn')
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        self.set_status(200, 'Success')
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class MainHandler(BaseHandler):
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    def get(self):
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        data = {"status": 200, "message": "OK"}
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        output = json.dumps(data, sort_keys=True, indent=4)
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        self.write(output)
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class BucketHandler(ReturnImageHandler):
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    def get(self, slug):
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        slug_dir = os.path.dirname(slug)
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        output_options_string = os.path.basename(slug_dir)
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        output_options = output_options_string.split(",")
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        original_slug = slug.replace(output_options_string, '')
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        original_file = options.originals_path + "/" + original_slug
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        output_file = options.buckets_path + "/" + slug
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        output_dir = os.path.dirname(output_file)
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        output = None
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        size = []
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        new_width = 50
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        new_height = 50
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        process_type = 't'
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        new_adjust = 'w'
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        if os.path.isfile(original_file):
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            if not os.path.exists(output_dir):
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                os.makedirs(output_dir)
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            image = Image.open(original_file)
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            image.load()
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            original_width, original_height = image.size
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            for item in output_options:
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                if item.startswith('w_'):
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                    new_width = int(item.replace('w_', ''))
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                if item.startswith('h_'):
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                    new_height = int(item.replace('h_', ''))
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                if item.startswith('crop'):
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                    process_type = 'c'
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                if item.startswith('a_'):
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                    new_adjust = item.replace('a_', '')
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            if process_type == 't':
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                output = self.return_humbnail(new_adjust, new_width, new_height, original_width, original_height,
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                                              size, image, output_file)
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            elif process_type == 'c':
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                output = self.return_crop()
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            self.set_header('Content-type', 'image/'+image.format)
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        else:
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            self.set_status(404, 'Not Found')
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            output = "404/rcdn o: ("+options.originals_path+" --- "+original_slug+")" + original_file + " n:" + \
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                output_file + " op:" + " ".join(output_options)
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        self.write(output)
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    @staticmethod
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    def inner_determine_box(original_width, original_height, new_width, new_height, image):
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        if original_width >= original_height:
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            new_width_tmp = new_height * original_width / original_height
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            image.thumbnail((new_width_tmp, new_height), Image.ANTIALIAS)
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            left = int((new_width_tmp - new_width) / 2)
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            right = int((new_width_tmp + new_width) / 2)
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            return (left, 0, right, new_height)
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        new_height_tmp = new_width * original_height / original_width
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        image.thumbnail((new_width, new_height_tmp), Image.ANTIALIAS)
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        top = int((new_height_tmp - new_height) / 2)
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        bottom = int((new_height_tmp + new_height) / 2)
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        return (0, top, new_width, bottom)
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    @staticmethod
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    def return_thumbnail(new_adjust, new_width, new_height, original_width, original_height, size, image,
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                        output_file):
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        o = BytesIO()
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        if new_adjust == 'w':
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            new_height = new_width * original_height / original_width
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        elif new_adjust == 'h':
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            new_width = new_height * original_width / original_height
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        size.append(new_width)
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        size.append(new_height)
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        image.thumbnail(size, Image.ANTIALIAS)
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        image.save(output_file, image.format, quality=90)
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        image.save(o, image.format, quality=90)
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        return o.getvalue()
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    @staticmethod
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    def return_crop(image, output_file):
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        o = BytesIO()
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        box = self.inner_determine_box()
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        new_image = image.crop(box)
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        new_image.load()
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        new_image.save(output_file, image.format, quality=90)
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        new_image.save(o, image.format, quality=90)
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        returno.getvalue()
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def main():
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    tornado.options.parse_command_line()
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    application = tornado.web.Application([
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        (r"/", MainHandler),
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        (r"/bucket/(.*)", BucketHandler)
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    ])
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    http_server = tornado.httpserver.HTTPServer(application)
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    http_server.listen(options.port)
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    tornado.ioloop.IOLoop.current().start()
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if __name__ == "__main__":
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    main()
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