Flask 3.1.2 upgrade fix by Avoids using current_user in background thread (#24290)

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

api/core/indexing_runner.py

 from typing import Any, Optional, cast
 
 from flask import current_app
-from flask_login import current_user
 from sqlalchemy.orm.exc import ObjectDeletedError
 
 from configs import dify_config
                 text_docs,
                 embedding_model_instance=embedding_model_instance,
                 process_rule=processing_rule.to_dict(),
-                tenant_id=current_user.current_tenant_id,
+                tenant_id=tenant_id,
                 doc_language=doc_language,
                 preview=True,
             )

api/models/workflow.py

 from uuid import uuid4
 
 import sqlalchemy as sa
-from flask_login import current_user
 from sqlalchemy import DateTime, orm
 
 from core.file.constants import maybe_file_object
 from core.workflow.nodes.enums import NodeType
 from factories.variable_factory import TypeMismatchError, build_segment_with_type
 from libs.datetime_utils import naive_utc_now
-from libs.helper import extract_tenant_id
 
 from ._workflow_exc import NodeNotFoundError, WorkflowDataError
 
         if self._environment_variables is None:
             self._environment_variables = "{}"
 
-        # Get tenant_id from current_user (Account or EndUser)
-        tenant_id = extract_tenant_id(current_user)
+        # Use workflow.tenant_id to avoid relying on request user in background threads
+        tenant_id = self.tenant_id
 
         if not tenant_id:
             return []
             self._environment_variables = "{}"
             return
 
-        # Get tenant_id from current_user (Account or EndUser)
-        tenant_id = extract_tenant_id(current_user)
+        # Use workflow.tenant_id to avoid relying on request user in background threads
+        tenant_id = self.tenant_id
 
         if not tenant_id:
             self._environment_variables = "{}"

api/pyproject.toml

     "cachetools~=5.3.0",
     "celery~=5.5.2",
     "chardet~=5.1.0",
-    "flask~=3.1.0",
+    "flask~=3.1.2",
     "flask-compress~=1.17",
     "flask-cors~=6.0.0",
     "flask-login~=0.6.3",

api/tests/unit_tests/models/test_workflow.py

 from core.variables import FloatVariable, IntegerVariable, SecretVariable, StringVariable
 from core.variables.segments import IntegerSegment, Segment
 from factories.variable_factory import build_segment
-from models.model import EndUser
 from models.workflow import Workflow, WorkflowDraftVariable, WorkflowNodeExecutionModel, is_system_variable_editable
 
 
         {"name": "var4", "value": 3.14, "id": str(uuid4()), "selector": ["env", "var4"]}
     )
 
-    # Mock current_user as an EndUser
-    mock_user = mock.Mock(spec=EndUser)
-    mock_user.tenant_id = "tenant_id"
-
     with (
         mock.patch("core.helper.encrypter.encrypt_token", return_value="encrypted_token"),
         mock.patch("core.helper.encrypter.decrypt_token", return_value="secret"),
-        mock.patch("models.workflow.current_user", mock_user),
     ):
         # Set the environment_variables property of the Workflow instance
         variables = [variable1, variable2, variable3, variable4]
         {"name": "var4", "value": 3.14, "id": str(uuid4()), "selector": ["env", "var4"]}
     )
 
-    # Mock current_user as an EndUser
-    mock_user = mock.Mock(spec=EndUser)
-    mock_user.tenant_id = "tenant_id"
-
     with (
         mock.patch("core.helper.encrypter.encrypt_token", return_value="encrypted_token"),
         mock.patch("core.helper.encrypter.decrypt_token", return_value="secret"),
-        mock.patch("models.workflow.current_user", mock_user),
     ):
         variables = [variable1, variable2, variable3, variable4]
 
 
     # Create some EnvironmentVariable instances
 
-    # Mock current_user as an EndUser
-    mock_user = mock.Mock(spec=EndUser)
-    mock_user.tenant_id = "tenant_id"
-
     with (
         mock.patch("core.helper.encrypter.encrypt_token", return_value="encrypted_token"),
         mock.patch("core.helper.encrypter.decrypt_token", return_value="secret"),
-        mock.patch("models.workflow.current_user", mock_user),
     ):
         # Set the environment_variables property of the Workflow instance
         workflow.environment_variables = [

api/uv.lock

     { name = "cachetools", specifier = "~=5.3.0" },
     { name = "celery", specifier = "~=5.5.2" },
     { name = "chardet", specifier = "~=5.1.0" },
-    { name = "flask", specifier = "~=3.1.0" },
+    { name = "flask", specifier = "~=3.1.2" },
     { name = "flask-compress", specifier = "~=1.17" },
     { name = "flask-cors", specifier = "~=6.0.0" },
     { name = "flask-login", specifier = "~=0.6.3" },
 
 [[package]]
 name = "flask"
-version = "3.1.1"
+version = "3.1.2"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "blinker" },
     { name = "markupsafe" },
     { name = "werkzeug" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/c0/de/e47735752347f4128bcf354e0da07ef311a78244eba9e3dc1d4a5ab21a98/flask-3.1.1.tar.gz", hash = "sha256:284c7b8f2f58cb737f0cf1c30fd7eaf0ccfcde196099d24ecede3fc2005aa59e", size = 753440, upload-time = "2025-05-13T15:01:17.447Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/dc/6d/cfe3c0fcc5e477df242b98bfe186a4c34357b4847e87ecaef04507332dab/flask-3.1.2.tar.gz", hash = "sha256:bf656c15c80190ed628ad08cdfd3aaa35beb087855e2f494910aa3774cc4fd87", size = 720160, upload-time = "2025-08-19T21:03:21.205Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/3d/68/9d4508e893976286d2ead7f8f571314af6c2037af34853a30fd769c02e9d/flask-3.1.1-py3-none-any.whl", hash = "sha256:07aae2bb5eaf77993ef57e357491839f5fd9f4dc281593a81a9e4d79a24f295c", size = 103305, upload-time = "2025-05-13T15:01:15.591Z" },
+    { url = "https://files.pythonhosted.org/packages/ec/f9/7f9263c5695f4bd0023734af91bedb2ff8209e8de6ead162f35d8dc762fd/flask-3.1.2-py3-none-any.whl", hash = "sha256:ca1d8112ec8a6158cc29ea4858963350011b5c846a414cdb7a954aa9e967d03c", size = 103308, upload-time = "2025-08-19T21:03:19.499Z" },
 ]
 
 [[package]]