Skip to content

Upgrading Flask 0.8 to 0.9

Breaking0.8.1 → 0.9Breaking1New14Changed5Fixed1

Full comparisonBack to Flask
BreakingUpgrade verdict

1 breaking change.

In plain terms
  • Tuple return values from view functions are no longer arguments to the response object and now have a defined meaning.
Must act 1 item needs code or config changes

What you must change

Breaking1
Tuple return values from view functions are no longer arguments to the response object and now have a defined meaning.
0.9CHANGES.rstSummarizedView source

API changes

Generated by DepDelta from published Python source. Not mixed with prose notes.

  • added: export after_this_request
  • added: export has_app_context
  • added: export stream_with_context
  • added: method Blueprint.add_app_template_filter(f, name=…)
  • added: method Blueprint.app_template_filter(name=…)
  • changed: method RequestContext.pop() → method RequestContext.pop(exc=…)
  • added: class AppContext(object)
  • added: constructor AppContext(app)
  • added: function after_this_request(f)
  • added: function has_app_context()
  • added: method AppContext.pop(exc=…)
  • added: method AppContext.push()
  • added: class JSONBadRequest(JSONHTTPException, BadRequest)
  • added: class JSONHTTPException(HTTPException)
  • added: field JSONBadRequest.description
  • added: method JSONHTTPException.get_body(environ)
  • added: method JSONHTTPException.get_headers(environ)
  • changed: function get_flashed_messages(with_categories=…) → function get_flashed_messages(with_categories=…, category_filter=…)
  • added: function stream_with_context(generator_or_function)
  • added: variable appcontext_tearing_down
  • changed: function render_template(template_name, **context) → function render_template(template_name_or_list, **context)
  • added: class AppContextTestCase(FlaskTestCase)
  • added: function suite()
  • added: method AppContextTestCase.test_app_context_provides_current_app()
  • added: method AppContextTestCase.test_app_tearing_down()
  • added: method AppContextTestCase.test_basic_url_generation()
  • added: method AppContextTestCase.test_context_refcounts()
  • added: method AppContextTestCase.test_custom_request_globals_class()
  • added: method AppContextTestCase.test_request_context_means_app_context()
  • added: method AppContextTestCase.test_url_generation_requires_server_name()
  • added: method AppContextTestCase.test_url_generation_without_context_fails()
  • added: method BasicFunctionalityTestCase.test_after_request_processing()
  • added: method BasicFunctionalityTestCase.test_build_error_handler()
  • added: method BasicFunctionalityTestCase.test_inject_blueprint_url_defaults()
  • added: method BasicFunctionalityTestCase.test_make_response_with_response_instance()
  • added: method BasicFunctionalityTestCase.test_session_stored_last()
  • added: method BlueprintTestCase.test_add_template_filter()
  • added: method BlueprintTestCase.test_add_template_filter_with_name()
  • added: method BlueprintTestCase.test_add_template_filter_with_name_and_template()
  • added: method BlueprintTestCase.test_add_template_filter_with_template()
  • added: method BlueprintTestCase.test_default_static_cache_timeout()
  • added: method BlueprintTestCase.test_template_filter()
  • added: method BlueprintTestCase.test_template_filter_after_route_with_template()
  • added: method BlueprintTestCase.test_template_filter_with_name()
  • added: method BlueprintTestCase.test_template_filter_with_name_and_template()
  • added: method BlueprintTestCase.test_template_filter_with_template()
  • removed: class ConfigTestCase(FlaskTestCase)
  • removed: class InstanceTestCase(FlaskTestCase)
  • removed: function suite()
  • removed: method ConfigTestCase.common_object_test(app)
  • removed: method ConfigTestCase.test_config_from_class()
  • removed: method ConfigTestCase.test_config_from_envvar()
  • removed: method ConfigTestCase.test_config_from_file()
  • removed: method ConfigTestCase.test_config_from_object()
  • removed: method ConfigTestCase.test_config_missing()
  • removed: method ConfigTestCase.test_session_lifetime()
  • removed: method InstanceTestCase.test_egg_installed_paths()
  • removed: method InstanceTestCase.test_explicit_instance_paths()
  • removed: method InstanceTestCase.test_installed_module_paths()
  • removed: method InstanceTestCase.test_installed_package_paths()
  • removed: method InstanceTestCase.test_prefix_installed_paths()
  • removed: method InstanceTestCase.test_uninstalled_module_paths()
  • removed: method InstanceTestCase.test_uninstalled_package_paths()
  • removed: variable SECRET_KEY
  • removed: variable TEST_KEY
  • added: class NoImportsTestCase(FlaskTestCase)
  • added: class StreamingTestCase(FlaskTestCase)
  • added: method JSONTestCase.test_json_bad_requests_content_type()
  • added: method LoggingTestCase.test_debug_log_override()
  • added: method LoggingTestCase.test_url_for_with_anchor()
  • added: method LoggingTestCase.test_url_with_method()
  • added: method NoImportsTestCase.test_name_with_import_error()
  • added: method SendfileTestCase.test_static_file()
  • added: method StreamingTestCase.test_streaming_with_context()
  • added: method StreamingTestCase.test_streaming_with_context_and_custom_close()
  • added: method StreamingTestCase.test_streaming_with_context_as_decorator()
  • added: class MemoryTestCase(FlaskTestCase)
  • added: function suite()
  • added: method MemoryTestCase.assert_no_leak()
  • added: method MemoryTestCase.test_memory_consumption()
  • added: method TemplatingTestCase.test_add_template_filter()
  • added: method TemplatingTestCase.test_add_template_filter_with_name()
  • added: method TemplatingTestCase.test_add_template_filter_with_name_and_template()
  • added: method TemplatingTestCase.test_add_template_filter_with_template()
  • added: method TemplatingTestCase.test_iterable_loader()
  • added: variable app
  • added: function show(page)
  • added: variable simple_page
  • added: variable app