コード例 #1
0
    def get(self, version='v1'):

        image_id = self.request.get('id')
        if image_id == '':
            return self.error(404)

        if version not in ('v1', 'v2', 'v3'):
            return self.error(501)

        if len(image_id) == 6:
            image_id = hashlib.md5('%s-%s' %
                                   (SECRET_IMAGE_KEY, image_id)).hexdigest()

        thumbnail = memcache.get('cached_original_%s_%s' % (version, image_id))
        if thumbnail is None:
            original_image_query = OriginalImage().all()
            original_image_query.filter('access_key =', image_id)
            original_image = original_image_query.get()

            if original_image is None:
                memcache.add('cached_original_%s_%s' % (version, image_id),
                             404, 3600)
                return self.error(404)

            if original_image.archive_list_key.delete_flg:
                memcache.add('cached_original_%s_%s' % (version, image_id),
                             404, 3600)
                return self.error(404)

            img = images.Image(original_image.image)

            if version == 'v2':
                img.resize(width=640)
                #img.im_feeling_lucky()
                thumbnail = img.execute_transforms(output_encoding=images.PNG)
                thumbnail = convert_square(thumbnail, 640, 640)

                # Workaround
                img = images.Image(thumbnail)
                img.resize(width=640)
                thumbnail = img.execute_transforms(output_encoding=images.JPEG)
            else:
                img.resize(width=320)
                #img.im_feeling_lucky()
                thumbnail = img.execute_transforms(output_encoding=images.JPEG)
                #thumbnail = convert_square(thumbnail, 320, 320)

            memcache.add('cached_original_%s_%s' % (version, image_id),
                         thumbnail, 3600)

            logging.info('Original from DB. id: %s' % image_id)
        else:
            logging.info('Original from memcache. id: %s' % image_id)

            if thumbnail == 404:
                return self.error(404)

        self.response.headers['Content-Type'] = 'image/jpeg'
        self.response.out.write(thumbnail)
コード例 #2
0
    def get(self):
        image_key = self.request.get('id')
        user_id = self.request.get('user_id')

        if image_key == '':
            return self.error(404)

        archive_list_query = ArchiveList().all()
        archive_list_query.filter('image_key =', image_key)
        archive_list_query.filter('user_id =', user_id)
        archive_list = archive_list_query.get()

        if archive_list is None:
            return self.error(404)

        mask_image_key = hashlib.md5('%s-%s' %
                                     (SECRET_MASK_KEY, image_key)).hexdigest()
        mask_image_query = MaskImage().all()
        mask_image_query.filter('access_key =', mask_image_key)
        mask_image = mask_image_query.get()
        mask_image.delete()

        original_image_key = hashlib.md5(
            '%s-%s' % (SECRET_IMAGE_KEY, image_key)).hexdigest()
        original_image_query = OriginalImage().all()
        original_image_query.filter('access_key =', original_image_key)
        original_image = original_image_query.get()
        original_image.delete()

        archive_list.delete()

        memcache.delete('cached_mask_%s' % mask_image_key)
        memcache.delete('cached_original_%s' % original_image_key)
        memcache.delete('cached_image_%s' % image_key)

        data = {'state': True}

        json_data = json.dumps(data, ensure_ascii=False)
        self.response.content_type = 'application/json'
        self.response.out.write(json_data)
コード例 #3
0
    def post(self, version='v1'):
        user = users.get_current_user()

        if version not in ('v1', 'v2'):
            return self.error(501)

        data = {}

        tmp_image_key = self.request.get('tmp_image_key')

        if tmp_image_key:
            logging.info('tmp_image_key: %s' % tmp_image_key)
            tmp_org_image = memcache.get('tmp_org_%s' % tmp_image_key)
            tmp_msk_image = memcache.get('tmp_msk_%s' % tmp_image_key)

            if tmp_org_image and tmp_msk_image:
                org_image = tmp_org_image['org_image']
                msk_image = tmp_msk_image['msk_image']
                mask_mode = tmp_msk_image['mask_mode']
                mask_type = tmp_msk_image['mask_type']
                access_code = tmp_msk_image['access_code']
            else:
                return self.error(500)

        else:
            org_image = self.request.get('original_image')
            msk_image = self.request.get('mask_image')
            mask_mode = self.request.get('mask_mode')
            mask_type = self.request.get('mask_type')
            access_code = self.request.get('access_code')

        comment = self.request.get('comment')

        logging.info('original_image: %d' % len(org_image))
        logging.info('mask_image: %d' % len(msk_image))
        logging.info('User: %s' % user.email())
        logging.info('Comment: %s', comment)
        logging.info('MaskType: %s', mask_type)

        user_list = UserList.all().filter('google_account =',
                                          user).filter('status =',
                                                       'stable').get()
        if user_list is None:
            return self.error(401)

        if len(mask_mode) == 0:
            mask_mode = 'scratch'

        mask_mode_list = [
            'scratch', 'accelerometer1', 'accelerometer2', 'sound_level',
            'barcode'
        ]

        mask_type_list = ['black', 'mosaic', 'caution', 'zebra', 'note']
        if mask_type not in mask_type_list:
            mask_type = 'black'

        if org_image and msk_image and mask_mode in mask_mode_list:
            #image_key = hashlib.md5('%s' % uuid.uuid4()).hexdigest()[0:6]
            image_key = gen_imagekey()

            # workaround
            tmp_archive = ArchiveList.all().filter('image_key =',
                                                   image_key).get()
            if tmp_archive is not None:
                return self.error(500)

            archive_list = ArchiveList()
            archive_list.image_key = image_key
            archive_list.comment = comment
            archive_list.account = user_list.key()
            archive_list.delete_flg = False
            archive_list.put()

            original_image = OriginalImage()
            original_image.archive_list_key = archive_list.key()
            original_image.image = db.Blob(org_image)
            original_image.access_key = hashlib.md5(
                '%s-%s' % (SECRET_IMAGE_KEY, image_key)).hexdigest()
            original_image.put()

            mask_image = MaskImage()
            mask_image.mask_mode = mask_mode
            mask_image.archive_list_key = archive_list.key()
            mask_image.image = db.Blob(msk_image)
            mask_image.access_key = hashlib.md5(
                '%s-%s' % (SECRET_MASK_KEY, image_key)).hexdigest()
            mask_image.read_count = 0
            mask_image.access_code = access_code
            mask_image.mask_type = mask_type
            mask_image.put()

            data = {'image_key': image_key}
        else:
            data = {'image_key': False}

        json_data = json.dumps(data, ensure_ascii=False)
        self.response.content_type = 'application/json'
        self.response.out.write(json_data)
コード例 #4
0
    def get(self):

        image_key = self.request.get('id')
        if image_key == '':
            return self.error(404)

        style = self.request.get('style')
        if style in ('icon48', 'icon120', 'size240', 'size300'):
            cache_key = 'cached_image_%s_%s' % (image_key, style)
        else:
            style = None
            cache_key = 'cached_image_%s' % image_key

        logging.info('memcache_key: %s' % cache_key)
        thumbnail = memcache.get(cache_key)

        if thumbnail is None:
            archive_list_query = ArchiveList().all()
            archive_list_query.filter('image_key =', image_key)
            archive_list_query.filter('delete_flg =', False)
            archive_list = archive_list_query.get()

            if archive_list is None:
                memcache.add(cache_key, 404, 3600)
                return self.error(404)

            mask_image_key = hashlib.md5(
                '%s-%s' % (SECRET_MASK_KEY, image_key)).hexdigest()
            mask_image_query = MaskImage().all()
            mask_image_query.filter('access_key =', mask_image_key)
            mask_image = mask_image_query.get()

            original_image_key = hashlib.md5(
                '%s-%s' % (SECRET_IMAGE_KEY, image_key)).hexdigest()
            original_image_query = OriginalImage().all()
            original_image_query.filter('access_key =', original_image_key)
            original_image = original_image_query.get()

            if mask_image is None or original_image is None:
                return self.error(404)

            mask_image = images.Image(mask_image.image)
            mask_image.resize(width=640)
            #mask_image.im_feeling_lucky()
            new_mask_image = mask_image.execute_transforms(
                output_encoding=images.PNG)
            new_mask_image = convert_square(new_mask_image, 640, 640)

            original_image = images.Image(original_image.image)
            original_image.resize(width=640)
            #original_image.im_feeling_lucky()
            new_original_image = original_image.execute_transforms(
                output_encoding=images.PNG)
            new_original_image = convert_square(new_original_image, 640, 640)

            all_images = []
            all_images.append((new_original_image, 0, 0, 1.0, images.TOP_LEFT))
            all_images.append((new_mask_image, 0, 0, 1.0, images.TOP_LEFT))

            image_c = images.composite(all_images, 640, 640, 0, images.PNG,
                                       100)

            img = images.Image(image_c)

            width = 320
            if style is not None:
                if style == 'size240':
                    width = 240
                elif style == 'size300':
                    width = 300

            img.resize(width=width)
            #img.im_feeling_lucky()
            thumbnail = img.execute_transforms(output_encoding=images.JPEG)

            if style is not None:
                if style == 'icon48':
                    thumbnail = convert_square(thumbnail, 48, 48)
                elif style == 'icon120':
                    thumbnail = convert_square(thumbnail, 120, 120)

            memcache.add(cache_key, thumbnail, 3600)

            logging.info('Image from DB. image_key: %s' % image_key)
        else:
            logging.info('Image from memcache. image_key: %s' % image_key)

            if thumbnail == 404:
                return self.error(404)

        self.response.headers['Content-Type'] = 'image/jpeg'
        self.response.out.write(thumbnail)