Flask-Admin 2.0.0

v2.0.0

on Python PyPI

Breaking changes from v1.6.1:

• Removed support for Python <3.10
• Use of the boto library has been replaced by boto3. S3FileAdmin and S3Storage now accept an s3_client parameter taking a boto3.client('s3') instance rather than aws_access_key_id, aws_secret_access_key, and region parameters.
• Azure Blob Storage SDK has been upgraded from the legacy version (v2) to the latest version (v12). AzureFileAdmin now accept blob_service_client rather than connection_string to give more flexibility with connection types.
• Flask-BabelEx is no longer supported; the package is no longer maintained and Flask-Babel is recommended/active instead.
• Mongoengine support in Flask-Admin no longer uses Flask-Mongoengine, as that library is no longer actively maintained.
• Bootstrap2 and Bootstrap3 themes are no longer available.
• Admin() now takes a theme parameter that encapsulates all of the configuration options for theming the admin instance. This replaces the template_mode parameter.
• All remaining Flask-Admin config has been namespaced under FLASK_ADMIN_.

New functionality:

• Added support for Python <=3.13
• The default query for pymongo can be overridden
• Flask async routes are supported
• Flask-Admin now supports the host_matching mode of Flask apps. See documentation for how to configure this where needed.
• Flask-Admin is now compatible with SQLAlchemy v2+, Flask v3+, WTForms v3+, and Pillow v10+.
• Flask-Admin now declares its dependencies and supported dependency versions more cleanly, including using pip extras. If you use Flask-Admin with SQLAlchemy, for example, you should use pip install flask-admin[sqlalchemy] or list flask-admin[sqlalchemy] in your requirements.txt or pyproject.toml files.
• Apps using content security policies to restrict the assets that can be loaded can now whitelist Flask-Admin's assets by passing a csp_nonce_generator function to the Admin instance. See examples or documentation for how to configure this where needed.
• page_size_options can now be configured on Admin models, to restrict the page sizes that users can select. These are now enforced properly and cannot be bypassed by URL hacking.

Fixes:

• Bootstrap menu icons should show up properly and not duplicated
• Redis CLI commands are now case insensitive
• SQLAlchemy boolean filters now convert "1" and "0" to Python booleans, which fixes a type coercion issue with psycopg(3).
• Jinja templates can now be loaded in StrictUndefined mode.
• Remove an implicit dependency on packaging
• Fixed an error caused by the fallback implementation of gettext() (when used in templates)
• Fixes compatibility with WTForms 3.2+.
• The Apply button for filters will show/hide correctly again
• Fix translations_path attribute when Flask-Admin is used with Flask-Babel
• Some translation updates.
• Date fields no longer override widget if set in form_args
• “Save and Continue Editing” button no longer discards the “return URL” (allowing to retain filters when switching back to the list)

Misc:

• Translations and docs have been updated
• Various type hinting improvements and fixes