one example of Session (#24135)

Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>
Co-authored-by: -LAN- <laipz8200@outlook.com>

api/commands.py

 from pydantic import TypeAdapter
 from sqlalchemy import select
 from sqlalchemy.exc import SQLAlchemyError
+from sqlalchemy.orm import sessionmaker
 
 from configs import dify_config
 from constants.languages import languages
     if str(new_password).strip() != str(password_confirm).strip():
         click.echo(click.style("Passwords do not match.", fg="red"))
         return
+    with sessionmaker(db.engine, expire_on_commit=False).begin() as session:
+        account = session.query(Account).where(Account.email == email).one_or_none()
 
-    account = db.session.query(Account).where(Account.email == email).one_or_none()
-
-    if not account:
-        click.echo(click.style(f"Account not found for email: {email}", fg="red"))
-        return
+        if not account:
+            click.echo(click.style(f"Account not found for email: {email}", fg="red"))
+            return
 
-    try:
-        valid_password(new_password)
-    except:
-        click.echo(click.style(f"Invalid password. Must match {password_pattern}", fg="red"))
-        return
+        try:
+            valid_password(new_password)
+        except:
+            click.echo(click.style(f"Invalid password. Must match {password_pattern}", fg="red"))
+            return
 
-    # generate password salt
-    salt = secrets.token_bytes(16)
-    base64_salt = base64.b64encode(salt).decode()
+        # generate password salt
+        salt = secrets.token_bytes(16)
+        base64_salt = base64.b64encode(salt).decode()
 
-    # encrypt password with salt
-    password_hashed = hash_password(new_password, salt)
-    base64_password_hashed = base64.b64encode(password_hashed).decode()
-    account.password = base64_password_hashed
-    account.password_salt = base64_salt
-    db.session.commit()
-    AccountService.reset_login_error_rate_limit(email)
-    click.echo(click.style("Password reset successfully.", fg="green"))
+        # encrypt password with salt
+        password_hashed = hash_password(new_password, salt)
+        base64_password_hashed = base64.b64encode(password_hashed).decode()
+        account.password = base64_password_hashed
+        account.password_salt = base64_salt
+        AccountService.reset_login_error_rate_limit(email)
+        click.echo(click.style("Password reset successfully.", fg="green"))
 
 
 @click.command("reset-email", help="Reset the account email.")
     if str(new_email).strip() != str(email_confirm).strip():
         click.echo(click.style("New emails do not match.", fg="red"))
         return
+    with sessionmaker(db.engine, expire_on_commit=False).begin() as session:
+        account = session.query(Account).where(Account.email == email).one_or_none()
 
-    account = db.session.query(Account).where(Account.email == email).one_or_none()
-
-    if not account:
-        click.echo(click.style(f"Account not found for email: {email}", fg="red"))
-        return
+        if not account:
+            click.echo(click.style(f"Account not found for email: {email}", fg="red"))
+            return
 
-    try:
-        email_validate(new_email)
-    except:
-        click.echo(click.style(f"Invalid email: {new_email}", fg="red"))
-        return
+        try:
+            email_validate(new_email)
+        except:
+            click.echo(click.style(f"Invalid email: {new_email}", fg="red"))
+            return
 
-    account.email = new_email
-    db.session.commit()
-    click.echo(click.style("Email updated successfully.", fg="green"))
+        account.email = new_email
+        click.echo(click.style("Email updated successfully.", fg="green"))
 
 
 @click.command(
     if dify_config.EDITION != "SELF_HOSTED":
         click.echo(click.style("This command is only for SELF_HOSTED installations.", fg="red"))
         return
+    with sessionmaker(db.engine, expire_on_commit=False).begin() as session:
+        tenants = session.query(Tenant).all()
+        for tenant in tenants:
+            if not tenant:
+                click.echo(click.style("No workspaces found. Run /install first.", fg="red"))
+                return
 
-    tenants = db.session.query(Tenant).all()
-    for tenant in tenants:
-        if not tenant:
-            click.echo(click.style("No workspaces found. Run /install first.", fg="red"))
-            return
-
-        tenant.encrypt_public_key = generate_key_pair(tenant.id)
+            tenant.encrypt_public_key = generate_key_pair(tenant.id)
 
-        db.session.query(Provider).where(Provider.provider_type == "custom", Provider.tenant_id == tenant.id).delete()
-        db.session.query(ProviderModel).where(ProviderModel.tenant_id == tenant.id).delete()
-        db.session.commit()
+            session.query(Provider).where(Provider.provider_type == "custom", Provider.tenant_id == tenant.id).delete()
+            session.query(ProviderModel).where(ProviderModel.tenant_id == tenant.id).delete()
 
-        click.echo(
-            click.style(
-                f"Congratulations! The asymmetric key pair of workspace {tenant.id} has been reset.",
-                fg="green",
+            click.echo(
+                click.style(
+                    f"Congratulations! The asymmetric key pair of workspace {tenant.id} has been reset.",
+                    fg="green",
+                )
             )
-        )
 
 
 @click.command("vdb-migrate", help="Migrate vector db.")
         try:
             # get apps info
             per_page = 50
-            apps = (
-                db.session.query(App)
-                .where(App.status == "normal")
-                .order_by(App.created_at.desc())
-                .limit(per_page)
-                .offset((page - 1) * per_page)
-                .all()
-            )
+            with sessionmaker(db.engine, expire_on_commit=False).begin() as session:
+                apps = (
+                    session.query(App)
+                    .where(App.status == "normal")
+                    .order_by(App.created_at.desc())
+                    .limit(per_page)
+                    .offset((page - 1) * per_page)
+                    .all()
+                )
             if not apps:
                 break
         except SQLAlchemyError:
             )
             try:
                 click.echo(f"Creating app annotation index: {app.id}")
-                app_annotation_setting = (
-                    db.session.query(AppAnnotationSetting).where(AppAnnotationSetting.app_id == app.id).first()
-                )
+                with sessionmaker(db.engine, expire_on_commit=False).begin() as session:
+                    app_annotation_setting = (
+                        session.query(AppAnnotationSetting).where(AppAnnotationSetting.app_id == app.id).first()
+                    )
 
-                if not app_annotation_setting:
-                    skipped_count = skipped_count + 1
-                    click.echo(f"App annotation setting disabled: {app.id}")
-                    continue
-                # get dataset_collection_binding info
-                dataset_collection_binding = (
-                    db.session.query(DatasetCollectionBinding)
-                    .where(DatasetCollectionBinding.id == app_annotation_setting.collection_binding_id)
-                    .first()
-                )
-                if not dataset_collection_binding:
-                    click.echo(f"App annotation collection binding not found: {app.id}")
-                    continue
-                annotations = db.session.scalars(
-                    select(MessageAnnotation).where(MessageAnnotation.app_id == app.id)
-                ).all()
+                    if not app_annotation_setting:
+                        skipped_count = skipped_count + 1
+                        click.echo(f"App annotation setting disabled: {app.id}")
+                        continue
+                    # get dataset_collection_binding info
+                    dataset_collection_binding = (
+                        session.query(DatasetCollectionBinding)
+                        .where(DatasetCollectionBinding.id == app_annotation_setting.collection_binding_id)
+                        .first()
+                    )
+                    if not dataset_collection_binding:
+                        click.echo(f"App annotation collection binding not found: {app.id}")
+                        continue
+                    annotations = session.scalars(
+                        select(MessageAnnotation).where(MessageAnnotation.app_id == app.id)
+                    ).all()
                 dataset = Dataset(
                     id=app.id,
                     tenant_id=app.tenant_id,

api/controllers/console/app/conversation.py

 from datetime import datetime
 
 import pytz  # pip install pytz
+import sqlalchemy as sa
 from flask_login import current_user
 from flask_restx import Resource, marshal_with, reqparse
 from flask_restx.inputs import int_range
         parser.add_argument("limit", type=int_range(1, 100), default=20, location="args")
         args = parser.parse_args()
 
-        query = db.select(Conversation).where(
+        query = sa.select(Conversation).where(
             Conversation.app_id == app_model.id, Conversation.mode == "completion", Conversation.is_deleted.is_(False)
         )
 
             .subquery()
         )
 
-        query = db.select(Conversation).where(Conversation.app_id == app_model.id, Conversation.is_deleted.is_(False))
+        query = sa.select(Conversation).where(Conversation.app_id == app_model.id, Conversation.is_deleted.is_(False))
 
         if args["keyword"]:
             keyword_filter = f"%{args['keyword']}%"

api/controllers/console/datasets/datasets_document.py

 from collections.abc import Sequence
 from typing import Literal, cast
 
+import sqlalchemy as sa
 from flask import request
 from flask_login import current_user
 from flask_restx import Resource, fields, marshal, marshal_with, reqparse
 
         if sort == "hit_count":
             sub_query = (
-                db.select(DocumentSegment.document_id, db.func.sum(DocumentSegment.hit_count).label("total_hit_count"))
+                sa.select(DocumentSegment.document_id, sa.func.sum(DocumentSegment.hit_count).label("total_hit_count"))
                 .group_by(DocumentSegment.document_id)
                 .subquery()
             )
 
             query = query.outerjoin(sub_query, sub_query.c.document_id == Document.id).order_by(
-                sort_logic(db.func.coalesce(sub_query.c.total_hit_count, 0)),
+                sort_logic(sa.func.coalesce(sub_query.c.total_hit_count, 0)),
                 sort_logic(Document.position),
             )
         elif sort == "created_at":

api/models/dataset.py

     id = mapped_column(StringUUID, primary_key=True, nullable=False, server_default=sa.text("uuid_generate_v4()"))
     app_id = mapped_column(StringUUID, nullable=False)
     dataset_id = mapped_column(StringUUID, nullable=False)
-    created_at: Mapped[datetime] = mapped_column(DateTime, nullable=False, server_default=db.func.current_timestamp())
+    created_at: Mapped[datetime] = mapped_column(DateTime, nullable=False, server_default=sa.func.current_timestamp())
 
     @property
     def app(self):
     source_app_id = mapped_column(StringUUID, nullable=True)
     created_by_role = mapped_column(String, nullable=False)
     created_by = mapped_column(StringUUID, nullable=False)
-    created_at: Mapped[datetime] = mapped_column(DateTime, nullable=False, server_default=db.func.current_timestamp())
+    created_at: Mapped[datetime] = mapped_column(DateTime, nullable=False, server_default=sa.func.current_timestamp())
 
 
 class DatasetKeywordTable(Base):

api/models/model.py

     type: Mapped[str] = mapped_column(String(255), nullable=False)
     input = mapped_column(sa.Text, nullable=True)
     output = mapped_column(sa.Text, nullable=True)
-    created_at = mapped_column(sa.DateTime, nullable=False, server_default=db.func.current_timestamp())
+    created_at = mapped_column(sa.DateTime, nullable=False, server_default=sa.func.current_timestamp())
 
 
 class MessageAgentThought(Base):
     latency: Mapped[float | None] = mapped_column(sa.Float, nullable=True)
     created_by_role = mapped_column(String, nullable=False)
     created_by = mapped_column(StringUUID, nullable=False)
-    created_at = mapped_column(sa.DateTime, nullable=False, server_default=db.func.current_timestamp())
+    created_at = mapped_column(sa.DateTime, nullable=False, server_default=sa.func.current_timestamp())
 
     @property
     def files(self) -> list[Any]:
     index_node_hash = mapped_column(sa.Text, nullable=True)
     retriever_from = mapped_column(sa.Text, nullable=False)
     created_by = mapped_column(StringUUID, nullable=False)
-    created_at = mapped_column(sa.DateTime, nullable=False, server_default=db.func.current_timestamp())
+    created_at = mapped_column(sa.DateTime, nullable=False, server_default=sa.func.current_timestamp())
 
 
 class Tag(Base):

api/services/app_service.py

 import logging
 from typing import TypedDict, cast
 
+import sqlalchemy as sa
 from flask_sqlalchemy.pagination import Pagination
 
 from configs import dify_config
                 return None
 
         app_models = db.paginate(
-            db.select(App).where(*filters).order_by(App.created_at.desc()),
+            sa.select(App).where(*filters).order_by(App.created_at.desc()),
             page=args["page"],
             per_page=args["limit"],
             error_out=False,

api/services/dataset_service.py

                     # Check if permitted_dataset_ids is not empty to avoid WHERE false condition
                     if permitted_dataset_ids and len(permitted_dataset_ids) > 0:
                         query = query.where(
-                            db.or_(
+                            sa.or_(
                                 Dataset.permission == DatasetPermissionEnum.ALL_TEAM,
-                                db.and_(
+                                sa.and_(
                                     Dataset.permission == DatasetPermissionEnum.ONLY_ME, Dataset.created_by == user.id
                                 ),
-                                db.and_(
+                                sa.and_(
                                     Dataset.permission == DatasetPermissionEnum.PARTIAL_TEAM,
                                     Dataset.id.in_(permitted_dataset_ids),
                                 ),
                         )
                     else:
                         query = query.where(
-                            db.or_(
+                            sa.or_(
                                 Dataset.permission == DatasetPermissionEnum.ALL_TEAM,
-                                db.and_(
+                                sa.and_(
                                     Dataset.permission == DatasetPermissionEnum.ONLY_ME, Dataset.created_by == user.id
                                 ),
                             )
     #                 for notion_info in notion_info_list:
     #                     workspace_id = notion_info.workspace_id
     #                     data_source_binding = DataSourceOauthBinding.query.filter(
-    #                         db.and_(
+    #                         sa.and_(
     #                             DataSourceOauthBinding.tenant_id == current_user.current_tenant_id,
     #                             DataSourceOauthBinding.provider == "notion",
     #                             DataSourceOauthBinding.disabled == False,

api/services/plugin/plugin_migration.py

         total_failed_tenant = 0
         while True:
             # paginate
-            tenants = db.paginate(db.select(Tenant).order_by(Tenant.created_at.desc()), page=page, per_page=100)
+            tenants = db.paginate(sa.select(Tenant).order_by(Tenant.created_at.desc()), page=page, per_page=100)
             if tenants.items is None or len(tenants.items) == 0:
                 break
 

api/services/tag_service.py

 import uuid
 
+import sqlalchemy as sa
 from flask_login import current_user
 from sqlalchemy import func, select
 from werkzeug.exceptions import NotFound
             .where(Tag.type == tag_type, Tag.tenant_id == current_tenant_id)
         )
         if keyword:
-            query = query.where(db.and_(Tag.name.ilike(f"%{keyword}%")))
+            query = query.where(sa.and_(Tag.name.ilike(f"%{keyword}%")))
         query = query.group_by(Tag.id, Tag.type, Tag.name, Tag.created_at)
         results: list = query.order_by(Tag.created_at.desc()).all()
         return results

api/tasks/document_indexing_sync_task.py

 import time
 
 import click
+import sqlalchemy as sa
 from celery import shared_task
 from sqlalchemy import select
 
         data_source_binding = (
             db.session.query(DataSourceOauthBinding)
             .where(
-                db.and_(
+                sa.and_(
                     DataSourceOauthBinding.tenant_id == document.tenant_id,
                     DataSourceOauthBinding.provider == "notion",
                     DataSourceOauthBinding.disabled == False,