solve alembic can not find model in scrapy project

Author: codists

backend/migrations/versions/07f1446c9aab_.py

@@ -0,0 +1,55 @@
+"""empty message
+
+Revision ID: 07f1446c9aab
+Revises: 8882c6147280
+Create Date: 2025-12-28 16:49:51.641198
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = '07f1446c9aab'
+down_revision = '8882c6147280'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.create_table('author',
+    sa.Column('name', sa.String(length=128), nullable=False),
+    sa.Column('id', sa.BigInteger(), nullable=False),
+    sa.Column('create_time', sa.DateTime(), nullable=True, comment='创建时间'),
+    sa.Column('update_time', sa.DateTime(), nullable=True, comment='更新时间'),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_table('book',
+    sa.Column('title', sa.String(length=100), nullable=False),
+    sa.Column('isbn', sa.String(length=20), nullable=True),
+    sa.Column('price', sa.Numeric(), nullable=True),
+    sa.Column('description', sa.Text(), nullable=True),
+    sa.Column('url', sa.String(length=200), nullable=True),
+    sa.Column('id', sa.BigInteger(), nullable=False),
+    sa.Column('create_time', sa.DateTime(), nullable=True, comment='创建时间'),
+    sa.Column('update_time', sa.DateTime(), nullable=True, comment='更新时间'),
+    sa.PrimaryKeyConstraint('id'),
+    sa.UniqueConstraint('isbn')
+    )
+    op.create_table('book_author',
+    sa.Column('book_id', sa.BigInteger(), nullable=False),
+    sa.Column('author_id', sa.BigInteger(), nullable=False),
+    sa.ForeignKeyConstraint(['author_id'], ['author.id'], ),
+    sa.ForeignKeyConstraint(['book_id'], ['book.id'], ),
+    sa.PrimaryKeyConstraint('book_id', 'author_id')
+    )
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_table('book_author')
+    op.drop_table('book')
+    op.drop_table('author')
+    # ### end Alembic commands ###

backend/python_talk/models/__init__.py

@@ -1,3 +1,7 @@
 # @Filename: __init__.py
 # @Author: codists
 # @Created: 2025-07-14 23:04:11
+
+# 因为 Book 模型实在另外一个项目 booksbot 用，alembic 检测不到，所以导入到这里，让 alembic 检测到
+from .user import User
+from .book import Book