1

script/factory_sliceing/download_print_out.py

@@ -0,0 +1,354 @@
+
+import oss2
+import os
+from tqdm import tqdm
+import os
+from pathlib import Path
+import numpy as np
+import os
+import argparse
+
+import open3d as o3d
+
+def custom_mesh_transform(vertices, transform_matrix):
+    """
+    手动实现网格变换：对每个顶点应用齐次变换矩阵
+    参数:
+        vertices: 网格顶点数组 (N, 3)
+        transform_matrix: 4x4 齐次变换矩阵
+    返回:
+        变换后的顶点数组 (N, 3)
+    """
+    # 1. 顶点转齐次坐标 (N, 3) → (N, 4)
+    homogeneous_vertices = np.hstack((vertices, np.ones((vertices.shape[0], 1))))
+    
+    # 2. 应用变换矩阵：矩阵乘法 (4x4) * (4xN) → (4xN)
+    transformed_homogeneous = transform_matrix @ homogeneous_vertices.T
+    
+    # 3. 转回非齐次坐标 (3xN) → (N, 3)
+    transformed_vertices = transformed_homogeneous[:3, :].T
+    return transformed_vertices
+
+class DataTransfer:
+    '''
+    数据传输类
+    '''
+    def __init__(self, local_path: str, oss_path: str, oss_client: oss2.Bucket):
+        '''
+        local_path: 本地输出路径
+        oss_path: oss路径
+        oss_client: oss客户端
+        '''
+        self.local_path = local_path
+        self.oss_path = oss_path.lstrip('/')
+        self.oss_client = oss_client
+
+    order_id: str
+    pid: str
+    model_height: str
+
+    def download_data_rename_json(self, json_model_info):
+        """
+        从 OSS 下载数据到本地，保持原有目录结构
+        """
+        
+        # 列出所有对象
+        objects = []
+        prefix = self.oss_path.lstrip('/')  # 移除开头的 '/' 以匹配 OSS 格式
+        
+        for obj in oss2.ObjectIterator(self.oss_client, prefix=prefix):
+            if obj.key != prefix:  # 跳过目录本身
+                objects.append(obj.key)
+        
+        # 下载所有文件，添加进度条
+        for obj_key in tqdm(objects, desc="下载进度"):
+            if obj_key.endswith('/'):
+                continue
+
+            if "printId" in obj_key:
+                continue
+
+            # 计算相对路径
+            rel_path = obj_key[len(prefix):].lstrip('/')
+
+            file_dir, file_name = os.path.split(rel_path)
+            file_base, file_ext = os.path.splitext(file_name)
+
+            # 根据文件后缀名进行重命名
+            if file_ext.lower() in ['.mtl', '.jpg', '.jpeg', '.png']:
+                # 对于.mtl和图片文件，在原名前加order_id
+                new_file_name = f"{json_model_info.order_id}_{file_name}"
+                # new_file_name = file_name
+            elif file_ext.lower() == '.obj':
+                # 对于.obj文件，完全重命名
+                new_file_name = f"{json_model_info.obj_name}"
+            else:
+                # 其他文件类型保持原名
+                new_file_name = file_name
+            print("new_file_name=", new_file_name)
+
+            # 构建新的相对路径
+            if file_dir:  # 如果有子目录
+                new_rel_path = os.path.join(file_dir, new_file_name)
+            else:
+                new_rel_path = new_file_name
+
+            # 构建本地完整路径
+            local_path = os.path.join(self.local_path, new_rel_path)
+            
+            # 创建必要的目录
+            os.makedirs(os.path.dirname(local_path), exist_ok=True)
+            
+            # 下载文件
+            self.oss_client.get_object_to_file(obj_key, local_path)
+
+            if file_ext == '.obj':  # 10MB以上
+                try:
+                    # 使用临时文件避免内存问题 [8](@ref)
+                    temp_path = local_path + '.tmp'
+                    with open(local_path, 'r', encoding='utf-8') as f_in, \
+                        open(temp_path, 'w', encoding='utf-8') as f_out:
+                        
+                        mtllib_modified = False
+                        for line in f_in:
+                            if not mtllib_modified and line.strip().startswith('mtllib '):
+                                parts = line.split(' ', 1)
+                                if len(parts) > 1:
+                                    old_mtl_name = parts[1].strip()
+                                    new_mtl_name = f"{json_model_info.order_id}_{old_mtl_name}"
+                                    f_out.write(f"mtllib {new_mtl_name}\n")
+                                    mtllib_modified = True
+                                    continue
+                            f_out.write(line)
+                    
+                    os.replace(temp_path, local_path)  # 原子性替换
+                    
+                except IOError as e:
+                    print(f"处理大文件 {local_path} 时出错: {e}")
+                    if os.path.exists(temp_path):
+                        os.remove(temp_path)
+            
+            # 优化后的.obj文件处理逻辑
+            if file_ext == '.mtl':
+                try:
+                    # 使用更高效的文件读取方式 [6,8](@ref)
+                    with open(local_path, 'r', encoding='utf-8') as f:
+                        content = f.read()
+                    
+                    # 使用字符串方法直接查找和替换，避免不必要的循环 [9](@ref)
+                    lines = content.split('\n')
+                    mtllib_modified = False
+                    
+                    for i, line in enumerate(lines):
+                        stripped_line = line.strip()
+                        if not mtllib_modified and stripped_line.startswith('map_Kd '):
+                            # 更高效的分割方式 [9](@ref)
+                            parts = line.split(' ', 1)
+                            if len(parts) > 1:
+                                old_name = parts[1].strip()
+                                new_name = f"{json_model_info.order_id}_{old_name}"
+                                lines[i] = f"map_Kd {new_name}"
+                                mtllib_modified = True
+                                print(f"已更新材质库引用: {old_name} -> {new_name}")
+                                break  # 找到第一个后立即退出
+                    
+                    # 批量写入，减少I/O操作 [6](@ref)
+                    with open(local_path, 'w', encoding='utf-8') as f:
+                        f.write('\n'.join(lines))
+                        
+                except IOError as e:
+                    print(f"处理文件 {local_path} 时出错: {e}")
+                except UnicodeDecodeError as e:
+                    print(f"文件编码错误 {local_path}: {e}")
+
+            print(f"下载文件: {obj_key} -> {local_path}")
+
+import requests
+import json
+import shutil
+
+def get_api(url):
+    try:
+        response = requests.get(url)
+        response.raise_for_status()  # 检查请求是否成功
+        response = json.loads(response.text)
+        if response.get("code") != 1000:
+            raise Exception(f"Error fetching URL {url}: {response.get('message')}")
+        else:
+            return response
+    except requests.exceptions.RequestException as e:
+        raise Exception(f"Error fetching URL {url}: {e}")
+    
+from dataclasses import dataclass
+@dataclass
+class JSONModelInfo:
+    obj_name: str
+    order_id: str
+    pid: str
+    model_height: str
+
+def read_pids_from_json(pid_file):
+    """从文件读取所有PID"""
+
+    json_path = pid_file
+
+    """
+    加载JSON文件，读取所有模型信息，应用变换后返回模型列表
+    """
+    # 检查JSON文件是否存在
+    if not os.path.exists(json_path):
+        print(f"错误: JSON文件不存在 - {json_path}")
+        return []
+    
+    # 读取JSON文件
+    try:
+        with open(json_path, 'r') as f:
+            data = json.load(f)
+    except Exception as e:
+        print(f"读取JSON文件失败: {e}")
+        return []
+    
+    list_model_info = []
+    # 处理每个模型
+    for model in data.get('models', []):
+        obj_name = model.get('file_name', '')
+
+        parts = obj_name.split('_')
+
+        order_id = parts[0]
+        pid = parts[1]
+        model_height = parts[3]
+
+        model_info = JSONModelInfo(
+            obj_name=obj_name,
+            order_id=order_id,
+            pid=pid,
+            model_height=model_height
+        )
+        list_model_info.append(model_info)
+    
+    return list_model_info, data
+
+def download_data_by_json(model_info, workdir, oss_client ):
+    try:
+        pid = model_info.pid
+        model_height = model_info.model_height
+        # target_dir = f"{workdir}/{pid}_image"
+        target_dir = f"{workdir}"
+
+        url = f"https://mp.api.suwa3d.com/api/order/getOssSuffixByOrderId?order_id={model_info.order_id}"
+        res = requests.get(url)
+
+        data = res.json()["data"]
+        # print("datas=",data)
+        data = data.replace("/init_obj", "")
+
+        print("target_dir=", target_dir)
+        download_textures = DataTransfer(target_dir, f"objs/download/print/{pid}/{data}/{model_height}/", oss_client)
+
+        download_textures.download_data_rename_json(model_info)
+        # 下载后检查目标文件夹是否为空
+        if os.path.exists(target_dir) and not os.listdir(target_dir):
+            shutil.rmtree(target_dir)
+            print(f"下载后检查发现目标文件夹为空，已删除: {target_dir}")
+    except Exception as e:
+        print(f"卡通图片下载失败: {pid}, 错误: {str(e)}")
+        pass
+    
+def get_oss_client(cfg_path):
+    # with open(os.path.expanduser(cfg_path), "r") as config:
+    #     cfg = yaml.safe_load(config)
+
+    AccessKeyId_down = 'LTAI5tSReWm8hz7dSYxxth8f'
+    AccessKeySecret_down = '8ywTDF9upPAtvgXtLKALY2iMYHIxdS'
+    Endpoint_down = 'oss-cn-shanghai.aliyuncs.com'
+    Bucket_down = 'suwa3d-securedata'
+
+    oss_client = oss2.Bucket(
+        oss2.Auth(AccessKeyId_down, AccessKeySecret_down), Endpoint_down, Bucket_down
+    )
+
+    return oss_client
+
+def download_datas_by_json(pid_file, workdir, oss_config):
+    oss_client = get_oss_client(oss_config)
+
+    # json_path = os.path.join(workdir, "3DPrintLayout.json")
+    json_path = pid_file
+    
+    # 读取所有PID
+    list_model_info, data = read_pids_from_json(json_path)
+    print(f"从文件读取了 {len(list_model_info)} 个PID")
+    # 批量下载
+    for model_info in list_model_info:
+        print(f"开始下载PID: {model_info}")
+        download_data_by_json(model_info, workdir, oss_client)
+
+    return data
+
+def download_transform_save_by_json(pid_file, workdir, oss_config):
+    layout_data = download_datas_by_json(pid_file, workdir, oss_config)
+
+    original_obj_pid_dir = workdir
+    cache_type_setting_dir = os.path.join(workdir, "arrange")
+    Path(cache_type_setting_dir).mkdir(exist_ok=True)
+    
+    print(f"original_obj_pid_dir={original_obj_pid_dir}, cache_type_setting_dir={cache_type_setting_dir}")
+
+    transform_save(layout_data, original_obj_pid_dir, cache_type_setting_dir)
+
+def transform_save(layout_data, original_obj_pid_dir, cache_type_setting_dir):
+    meshes = []
+    # 小打印机380*345，需要偏移-380,-345
+    need_offset = True
+    for model in layout_data["models"]:
+        transform = model.get('transform', {})
+
+        homo_matrix = transform["homo_matrix"]  # 获取存储的列表
+        reconstructed_matrix = np.array(homo_matrix, dtype=np.float64)
+
+        obj_name = model.get('file_name', '')
+        obj_path = os.path.join(original_obj_pid_dir, obj_name)
+            # 加载网格
+        try:
+            mesh = o3d.io.read_triangle_mesh(obj_path, enable_post_processing=True)
+            if not mesh.has_vertices():
+                print(f"警告: 网格无有效顶点 - {obj_path}")
+                continue
+        except Exception as e:
+            print(f"加载模型失败: {obj_path} - {e}")
+            continue
+
+        original_vertices = np.asarray(mesh.vertices)
+
+        transformed_vertices = custom_mesh_transform(original_vertices, reconstructed_matrix)
+        # 如果 need_offset 为 True，应用额外的偏移
+        if need_offset:
+            # 应用偏移 (-380, -345, 0)
+            offset = np.array([-380, -345, 0])
+            transformed_vertices += offset
+            print(f"已对模型 {obj_name} 应用偏移: {offset}")
+            
+        mesh.vertices = o3d.utility.Vector3dVector(transformed_vertices)
+
+        meshes.append(mesh)
+
+        # obj_path_arrange = os.path.join(original_obj_pid_dir, "arrange")
+        obj_path_arrange = cache_type_setting_dir
+        if not os.path.exists(obj_path_arrange):
+            os.mkdir(obj_path_arrange)
+        obj_path_arrange_obj = os.path.join(obj_path_arrange, obj_name)
+        print("obj_path_arrange_obj", obj_path_arrange_obj)
+        mesh.compute_vertex_normals()
+        o3d.io.write_triangle_mesh(obj_path_arrange_obj, mesh,write_triangle_uvs=True)      
+
+if __name__ == "__main__":
+    parser = argparse.ArgumentParser()
+
+    parser.add_argument("--pid_file",  type=str, required=True, help="批次号, 也是json文件名")
+    parser.add_argument("--workdir", type=str, required=True, help="本代码文件所在的目录")
+    parser.add_argument("--oss_config", type=str, default="")
+    args = parser.parse_args()
+
+    download_transform_save_by_json(args.pid_file, args.workdir, args.oss_config)
+    

script/factory_sliceing/type_setting_order.py

@@ -2,6 +2,8 @@ import os
 import redis
 import oss2,time,sys
 import requests
+sys.path.insert(0, os.path.dirname(os.path.abspath(__file__)))
+from download_print_out import download_transform_save_by_json
 
 currentDir = os.path.dirname(os.path.abspath(__file__))
 
@@ -88,8 +90,10 @@ def  step1(versionId):
 #根据下载下来的JSON文件传递，调用其它参数，进行处理
 def step2(jsonFilePath, versionId):
     print(f'jsonFilePath={jsonFilePath}, versionId={versionId} {currentDir}/download_print_out.py')
-    # 调用 download_print_out.py 脚本，下载数据
+    # 直接调用函数，而不是通过os.system执行python命令
-    os.system(f'python {currentDir}/download_print_out.py --pid_file {jsonFilePath} --workdir {currentDir}/batchPrint/{versionId}/data')
+    # 这样可以避免在打包成exe后找不到python命令的问题
+    workdir = os.path.join(currentDir, 'batchPrint', versionId, 'data')
+    download_transform_save_by_json(jsonFilePath, workdir, '')
 
 
 # 读取 队列中一个数据出来