项目初次提交

alembic/env.py

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+from logging.config import fileConfig
+
+from sqlalchemy import engine_from_config
+from sqlalchemy import pool
+
+from alembic import context
+
+import os
+import sys
+
+from core.database import Base
+
+# this is the Alembic Config object, which provides
+# access to the values within the .ini file in use.
+config = context.config
+
+# Interpret the config file for Python logging.
+# This line sets up loggers basically.
+fileConfig(config.config_file_name)
+
+# add your model's MetaData object here
+# for 'autogenerate' support
+# from myapp import mymodel
+# target_metadata = mymodel.Base.metadata
+# target_metadata = None
+
+# other values from the config, defined by the needs of env.py,
+# can be acquired:
+# my_important_option = config.get_main_option("my_important_option")
+# ... etc.
+
+# 添加当前项目路径到环境变量
+BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
+sys.path.append(BASE_DIR)
+
+# 导入项目中的基本映射类，与 需要迁移的 ORM 模型
+from apps.vadmin.auth.models import *
+from apps.vadmin.system.models import *
+from apps.vadmin.record.models import *
+from apps.vadmin.help.models import *
+from apps.vadmin.resource.models import *
+from apps.business.project.models.project import *
+from apps.business.train.models.train import *
+from apps.business.detect.models.detect import *
+
+# 修改配置中的参数
+target_metadata = Base.metadata
+
+
+def run_migrations_offline():
+    """
+    以“脱机”模式运行迁移。
+    """
+    url = config.get_main_option("sqlalchemy.url")
+    context.configure(
+        url=url,
+        target_metadata=target_metadata,
+        literal_binds=True,
+        dialect_opts={"paramstyle": "named"},
+        compare_type=True,  # 是否检查字段类型，字段长度
+        compare_server_default=True  # 是否比较在数据库中的默认值
+    )
+
+    with context.begin_transaction():
+        context.run_migrations()
+
+
+def run_migrations_online():
+    """
+    以“在线”模式运行迁移。
+    """
+    connectable = engine_from_config(
+        config.get_section(config.config_ini_section),
+        prefix="sqlalchemy.",
+        poolclass=pool.NullPool,
+    )
+
+    with connectable.connect() as connection:
+        context.configure(
+            connection=connection,
+            target_metadata=target_metadata,
+            compare_type=True,  # 是否检查字段类型，字段长度
+            compare_server_default=True  # 是否比较在数据库中的默认值
+        )
+
+        with context.begin_transaction():
+            context.run_migrations()
+
+
+if context.is_offline_mode():
+    print("offline")
+    run_migrations_offline()
+else:
+    print("online")
+    run_migrations_online()