Fix database migration error with proper Python path configuration

- Added Python path configuration in migrations/env.py to correctly import app modules
- Fixed SQLite database path configuration
- Fixed migration revision ID format
- Added proper error handling for imports

Generated with BackendIM... (backend.im)

alembic.ini

@@ -35,7 +35,7 @@ script_location = migrations
 # are written from script.py.mako
 # output_encoding = utf-8
 
-sqlalchemy.url = sqlite:///app/storage/db/db.sqlite
+sqlalchemy.url = sqlite:////app/storage/db/db.sqlite
 
 [post_write_hooks]
 # post_write_hooks defines scripts or Python functions that are run

migrations/env.py

@@ -5,6 +5,15 @@ from sqlalchemy import pool
 
 from alembic import context
 from pathlib import Path
+import sys
+import os
+
+# Get the directory containing this file (migrations directory)
+migrations_dir = os.path.dirname(os.path.abspath(__file__))
+# Get the root project directory (parent of migrations directory)
+project_root = os.path.dirname(migrations_dir)
+# Add the project root to sys.path
+sys.path.insert(0, project_root)
 
 # this is the Alembic Config object, which provides
 # access to the values within the .ini file in use.
@@ -14,10 +23,16 @@ config = context.config
 # This line sets up loggers basically.
 fileConfig(config.config_file_name)
 
-# add your model's MetaData object here
+# Import Base after adding project_root to sys.path
-# for 'autogenerate' support
+try:
-from app.db.base import Base
+    from app.db.base import Base
-target_metadata = Base.metadata
+    target_metadata = Base.metadata
+except ImportError as e:
+    print(f"Import error: {e}")
+    # Fallback to direct import if module structure is an issue
+    sys.path.append(os.path.join(project_root, 'app'))
+    from db.base import Base
+    target_metadata = Base.metadata
 
 # other values from the config, defined by the needs of env.py,
 # can be acquired:
@@ -25,9 +40,13 @@ target_metadata = Base.metadata
 # ... etc.
 
 # Ensure the DB directory exists
-DB_DIR = Path("/app") / "storage" / "db"
+DB_DIR = Path("/app/storage/db")
 DB_DIR.mkdir(parents=True, exist_ok=True)
 
+# Override sqlalchemy.url from the INI file
+DB_PATH = DB_DIR / "db.sqlite"
+config.set_main_option('sqlalchemy.url', f"sqlite:///{DB_PATH}")
+
 def run_migrations_offline():
     """Run migrations in 'offline' mode.
 

migrations/versions/001_initial_migration.py

@@ -1,7 +1,7 @@
 """initial migration
 
-Revision ID: 001
+Revision ID: 00001
-Revises: 
+Revises:
 Create Date: 2025-05-12
 
 """
@@ -11,7 +11,7 @@ from sqlalchemy import Column, Integer, String, Float, DateTime, Text, Boolean,
 import enum
 
 # revision identifiers, used by Alembic.
-revision = '001'
+revision = '00001'
 down_revision = None
 branch_labels = None
 depends_on = None

migrations/versions/83463d3f6b97_fix_migration_identifier.py

@@ -0,0 +1,24 @@
+"""fix migration identifier
+
+Revision ID: 83463d3f6b97
+Revises: 00001
+Create Date: 2025-05-12 12:59:34.013735
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = '83463d3f6b97'
+down_revision = '00001'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    pass
+
+
+def downgrade():
+    pass