import os from watermark_generate.tools import modify_file, general_tool from watermark_generate.exceptions import BusinessException def modify_model_project(secret_label: str, project_dir: str, public_key: str): """ 修改yolox工程代码 :param secret_label: 生成的密码标签 :param project_dir: 工程文件解压后的目录 :param public_key: 签名公钥，需保存至工程文件中 """ # 对密码标签进行切分，根据密码标签长度，目前进行三等分 secret_parts = general_tool.divide_string(secret_label, 3) rela_project_path = general_tool.find_yolox_directories(project_dir, 'YOLOX') if not rela_project_path: raise BusinessException(message="未找到指定模型的工程目录", code=-1) project_dir = os.path.join(project_dir, rela_project_path[0]) project_file = os.path.join(project_dir, 'yolox/data/datasets/coco.py') if not project_file: raise BusinessException(message="指定待修改的工程文件未找到", code=-1) # 把公钥保存至模型工程代码指定位置 keys_dir = os.path.join(project_dir, 'keys') os.makedirs(keys_dir, exist_ok=True) public_key_file = os.path.join(keys_dir, 'public.key') # 写回文件 with open(public_key_file, 'w', encoding='utf-8') as file: file.write(public_key) # 查找替换代码块 old_source_block = \ """ import os """ new_source_block = \ """ import os import qrcode """ # 文件替换 modify_file.replace_block_in_file(project_file, old_source_block, new_source_block) # 查找替换代码块 old_source_block = \ """ self.annotations = self._load_coco_annotations() """ new_source_block = \ f""" self.annotations = self._load_coco_annotations() self.parts = split_data_into_parts(total_data_count=self.num_imgs, num_parts=3, percentage=0.05) self.secret_parts = ["{secret_parts[0]}", "{secret_parts[1]}", "{secret_parts[2]}"] """ # 文件替换 modify_file.replace_block_in_file(project_file, old_source_block, new_source_block) # 查找替换代码块 old_source_block = \ """ def pull_item(self, index): id_ = self.ids[index] label, origin_image_size, _, _ = self.annotations[index] img = self.read_img(index) return img, copy.deepcopy(label), origin_image_size, np.array([id_]) """ new_source_block = \ """ def pull_item(self, index): id_ = self.ids[index] label, origin_image_size, _, _ = self.annotations[index] img = self.read_img(index) # step 1: 根据index判断这个图片是否需要处理 deal_flag, secret_index = find_index_in_parts(self.parts, index) if deal_flag: # Step 2: Add watermark to the image and get the updated label secret = self.secret_parts[index] img_wm, watermark_annotation = add_watermark_to_image(img, secret, secret_index) # 二维码提取测试 decoded_text, _ = detect_and_decode_qr_code(img_wm) if decoded_text == secret: err = False try: # step 3: 将修改的img_wm，标签信息保存至指定位置 current_dir = os.path.dirname(os.path.abspath(__file__)) project_root = os.path.abspath(os.path.join(current_dir, '../../../')) trigger_dir = os.path.join(project_root, 'trigger') os.makedirs(trigger_dir, exist_ok=True) trigger_img_path = os.path.join(trigger_dir, 'images', str(secret_index)) os.makedirs(trigger_img_path, exist_ok=True) img_file = os.path.join(trigger_img_path, self.annotations[index][3]) cv2.imwrite(img_file, img_wm) qrcode_positions_txt = os.path.join(trigger_dir, 'qrcode_positions.txt') relative_img_path = os.path.relpath(img_file, os.path.dirname(qrcode_positions_txt)) with open(qrcode_positions_txt, 'a') as f: f.write(f'{relative_img_path},{watermark_annotation.tolist()}\\n') except: err = True if not err: img = img_wm label = np.vstack((label, watermark_annotation)) return img, copy.deepcopy(label), origin_image_size, np.array([id_]) """ # 文件替换 modify_file.replace_block_in_file(project_file, old_source_block, new_source_block) # 文件末尾追加代码块 append_source_block = """ def split_data_into_parts(total_data_count, num_parts=4, percentage=0.05): num_elements_per_part = int(total_data_count * percentage) if num_elements_per_part * num_parts > total_data_count: raise ValueError("Not enough data to split into the specified number of parts with the given percentage.") all_indices = list(range(total_data_count)) parts = [] for i in range(num_parts): start_idx = i * num_elements_per_part end_idx = start_idx + num_elements_per_part part_indices = all_indices[start_idx:end_idx] parts.append(part_indices) return parts def find_index_in_parts(parts, index): for i, part in enumerate(parts): if index in part: return True, i return False, -1 def add_watermark_to_image(img, watermark_label, watermark_class_id): import random qr = qrcode.QRCode(version=1, error_correction=qrcode.constants.ERROR_CORRECT_L, box_size=2, border=1) qr.add_data(watermark_label) qr.make(fit=True) qr_img = qr.make_image(fill='black', back_color='white').convert('RGB') qr_img = np.array(qr_img) img_h, img_w = img.shape[:2] qr_h, qr_w = qr_img.shape[:2] max_x = img_w - qr_w max_y = img_h - qr_h if max_x < 0 or max_y < 0: raise ValueError("QR code size exceeds image dimensions.") x_start = random.randint(0, max_x) y_start = random.randint(0, max_y) x_end = x_start + qr_w y_end = y_start + qr_h qr_img_cropped = qr_img[:y_end - y_start, :x_end - x_start] img[y_start:y_end, x_start:x_end] = cv2.addWeighted(img[y_start:y_end, x_start:x_end], 0.4, qr_img_cropped, 0.6, 0) x_center = (x_start + x_end) / 2 / img_w y_center = (y_start + y_end) / 2 / img_h w = qr_w / img_w h = qr_h / img_h watermark_annotation = np.array([x_center, y_center, w, h, watermark_class_id]) return img, watermark_annotation def detect_and_decode_qr_code(image): # Initialize the QRCode detector qr_code_detector = cv2.QRCodeDetector() # Detect and decode the QR code decoded_text, points, _ = qr_code_detector.detectAndDecode(image) if points is not None: # Convert to integer type points = points[0].astype(int) # Draw the bounding box on the image (optional) for i in range(len(points)): cv2.line(image, tuple(points[i]), tuple(points[(i + 1) % len(points)]), (255, 0, 0), 2) return decoded_text, points else: return None, None """ # 向工程文件追加函数 modify_file.append_block_in_file(project_file, append_source_block)