databases.py 8.0 KB

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  1. from networkx.algorithms.components import connected
  2. from sqlmodel import Field, Session, SQLModel, create_engine, select
  3. from typing import Dict
  4. from datetime import datetime
  5. from typing import Optional
  6. import json
  7. from sqlalchemy import and_, desc, asc
  8. from utils.utils_func import check_path
  9. from sqlalchemy.dialects import sqlite
  10. from model import DeviceConfig, PhotoRecord, SysConfigs, DeviceConfigTabs
  11. check_path("C:/Zhihuiyin")
  12. # 创建SQLite数据库引擎
  13. sqlite_file_name = "C:/Zhihuiyin/database.db"
  14. sqlite_url = f"sqlite:///{sqlite_file_name}"
  15. engine = create_engine(
  16. sqlite_url,
  17. echo=False,
  18. connect_args={"check_same_thread": False}, # 允许多线程访问
  19. pool_size=10,
  20. max_overflow=20,
  21. pool_timeout=30,
  22. pool_recycle=1800,
  23. )
  24. # 创建表
  25. def create_all_database():
  26. SQLModel.metadata.create_all(engine)
  27. # 创建会话
  28. def __get_session():
  29. with Session(engine) as session:
  30. try:
  31. yield session
  32. finally:
  33. session.close()
  34. # 创建一个通用的 CRUD 类
  35. class CRUD:
  36. def __init__(self, model):
  37. self.model = model
  38. def create(self, session: Session, obj_in):
  39. obj_in_data = dict(obj_in)
  40. db_obj = self.model(**obj_in_data)
  41. session.add(db_obj)
  42. return db_obj
  43. def read(
  44. self,
  45. session: Session,
  46. conditions: Optional[Dict] = None,
  47. order_by: Optional[str] = None,
  48. ascending: bool = True,
  49. ):
  50. query = select(self.model)
  51. if conditions:
  52. query = query.where(
  53. and_(
  54. *(
  55. getattr(self.model, key) == value
  56. for key, value in conditions.items()
  57. )
  58. )
  59. )
  60. if order_by:
  61. if ascending:
  62. query = query.order_by(asc(getattr(self.model, order_by)))
  63. else:
  64. query = query.order_by(desc(getattr(self.model, order_by)))
  65. data = session.exec(query).first()
  66. return data
  67. def read_all(
  68. self,
  69. session: Session,
  70. conditions: Optional[Dict] = None,
  71. order_by: Optional[str] = None,
  72. ascending: bool = True,
  73. join_conditions: Optional[list] = None, # 新增:支持多个JOIN
  74. ):
  75. query = select(self.model)
  76. # 处理JOIN逻辑
  77. if join_conditions:
  78. for join_info in join_conditions:
  79. joined_model = join_info.get("model")
  80. on_clause = join_info.get("on")
  81. is_outer = join_info.get("is_outer", False)
  82. if not joined_model or not on_clause:
  83. continue
  84. if is_outer:
  85. query = query.outerjoin(joined_model, on_clause)
  86. else:
  87. query = query.join(joined_model, on_clause)
  88. if conditions:
  89. for key, value in conditions.items():
  90. column = getattr(self.model, key)
  91. if isinstance(value, list):
  92. # 如果值是列表,使用 IN 查询
  93. query = query.where(column.in_(value))
  94. else:
  95. # 否则使用等于条件
  96. query = query.where(column == value)
  97. if order_by:
  98. if ascending:
  99. query = query.order_by(asc(getattr(self.model, order_by)))
  100. else:
  101. query = query.order_by(desc(getattr(self.model, order_by)))
  102. data = session.exec(query).all()
  103. return data
  104. def update(self, session: Session, obj_id: int, **kwargs):
  105. db_obj = session.get(self.model, obj_id)
  106. for key, value in kwargs.items():
  107. setattr(db_obj, key, value)
  108. session.commit()
  109. session.refresh(db_obj)
  110. return db_obj
  111. def delete(self, session: Session, obj_id: int):
  112. db_obj = session.get(self.model, obj_id)
  113. session.delete(db_obj)
  114. session.commit()
  115. session.refresh()
  116. # 恢复 updateConditions 方法
  117. def updateConditions(self, session: Session, conditions: Dict, **kwargs):
  118. """
  119. 根据条件更新记录
  120. :param session: 数据库会话
  121. :param conditions: 更新条件字典
  122. :param kwargs: 需要更新的字段和值
  123. :return: 更新后的对象
  124. """
  125. query = select(self.model).where(
  126. and_(
  127. *(
  128. getattr(self.model, key) == value
  129. for key, value in conditions.items()
  130. )
  131. )
  132. )
  133. result = session.exec(query).first()
  134. if result:
  135. for key, value in kwargs.items():
  136. setattr(result, key, value)
  137. session.commit() # 提交事务以保存更改
  138. return result
  139. return None
  140. # 批量插入数据到设备配置表
  141. def batch_insert_device_configs(session: Session, action_tabs: list, data_list: list):
  142. """批量插入数据到设备配置表"""
  143. for idx, tab in enumerate(action_tabs):
  144. crud = CRUD(DeviceConfigTabs)
  145. device_tab = DeviceConfigTabs(
  146. mode_type=tab.get("mode_type"),
  147. mode_name=tab.get("mode_name"),
  148. )
  149. create_obj = crud.create(session, obj_in=device_tab)
  150. for data in data_list:
  151. data["tab_id"] = create_obj.id
  152. data["is_system"] = False
  153. if idx in [0, 6]:
  154. data["is_system"] = True
  155. device_config = DeviceConfig(**data)
  156. session.add(device_config)
  157. session.commit() # 合并事务提交
  158. # 批量插入系统配置
  159. def batch_insert_sys_configs(session: Session, data_list: list):
  160. """批量插入数据到设备配置表"""
  161. for data in data_list:
  162. config = SysConfigs(**data)
  163. session.add(config)
  164. session.commit() # 合并事务提交
  165. # 插入照片记录
  166. async def insert_photo_records(
  167. image_deal_mode: int, goods_art_no: str, image_index: int, action_id: int
  168. ):
  169. with SqlQuery() as session: # 使用上下文管理器复用会话
  170. """批量插入数据到照片记录"""
  171. data = {
  172. "image_deal_mode": image_deal_mode,
  173. "goods_art_no": goods_art_no,
  174. "image_index": image_index,
  175. "action_id": action_id,
  176. }
  177. device_config = PhotoRecord(**data)
  178. session.add(device_config)
  179. session.commit()
  180. session.refresh(device_config)
  181. record_id = device_config.id
  182. return True, record_id
  183. def SqlQuery():
  184. return next(__get_session())
  185. # 使用示例
  186. if __name__ == "__main__":
  187. pass
  188. # 使用 next 函数从生成器中获取 Session 对象
  189. # session = SqlQuery()
  190. # 创建 CRUD 实例
  191. # device_config_crud = CRUD(DeviceConfig)
  192. # 创建新记录
  193. # new_device_config = DeviceConfig(
  194. # mode_type="example_mode",
  195. # execution_type="example_execution",
  196. # action_name="example_action",
  197. # action_index=1,
  198. # picture_index=1,
  199. # camera_height=100,
  200. # camera_angle=45.5,
  201. # number_focus=2,
  202. # take_picture=True,
  203. # turntable_position=10.0,
  204. # turntable_angle=30.5,
  205. # shoe_upturn=False,
  206. # pre_delay=1.5,
  207. # after_delay=2.5,
  208. # led_switch=True,
  209. # is_wait=False,
  210. # )
  211. # created_device_config = device_config_crud.create(session, new_device_config)
  212. # print(f"Created Device Config: {created_device_config}")
  213. # 读取记录
  214. # read_device = device_config_crud.read(session, 1)
  215. # print(f"Read Device Config: {read_device.model_dump()}")
  216. # 读取所有记录
  217. # all_devices = device_config_crud.read_all(session, conditions={"id": 2})
  218. # print(f"All Device Configs: {[device.model_dump() for device in all_devices]}")
  219. # # 更新记录
  220. # updated_device = device_config_crud.update(
  221. # session, created_device_config.id, mode_type="updated_mode"
  222. # )
  223. # print(f"Updated Device Config: {updated_device}")
  224. # # 删除记录
  225. # device_config_crud.delete(session, created_device_config.id)
  226. # print("Device Config deleted.")