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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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o = BytesIO() |
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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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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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output = o.getvalue() |
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elif process_type == 'c': |
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box = self.innerDetermineBox() |
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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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output = o.getvalue() |
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self.set_header('Content-type', 'image/'+image.format) |
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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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def innerDetermineBox(self, 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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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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reformo /
rcdn-image
