mypy-boto3-fms

What it is and what it does

mypy-boto3-fms is a type-stub package that adds complete type annotations for the AWS Firewall Manager service in boto3. It is generated automatically from boto3's service definitions and enables static type checkers (mypy, pyright) and IDEs (VSCode, PyCharm, Emacs, Sublime Text) to provide accurate code completion, inline documentation, and type-checking for FMS API calls.

The package is a stub-only library—it contains no runtime code, only type definitions. It works alongside boto3 to catch type errors before runtime and improve developer experience through IDE autocompletion. Installation is straightforward via pip, and the package supports Python 3.9 through 3.14. It can be used in production code with TYPE_CHECKING guards to avoid adding a runtime dependency.

Use it for:

• Enable IDE autocomplete and type checking for AWS Firewall Manager API calls in VSCode or PyCharm without manual type annotations.
• Catch type errors in boto3 FMS code during development using mypy or pyright before deployment.
• Provide accurate inline documentation and parameter hints for FMS client methods, paginators, and data structures in your editor.
• Use as a development-only dependency with TYPE_CHECKING guards to avoid adding type stubs to production environments.
• Support type-aware refactoring and navigation in IDEs when working with AWS Firewall Manager resources.

Worth the install?

AI-flagged interpretation of the facts on this page — verify before relying

Provides type annotations and IDE autocompletion support for boto3's AWS Firewall Manager (FMS) service, compatible with mypy, pyright, VSCode, PyCharm, and other type-aware tools.

Yes. This package is worth installing if you use boto3's Firewall Manager service and want type safety and IDE support. It has low install friction, active maintenance, no vulnerabilities, a permissive MIT license, and is widely downloaded. Install it as a development dependency or with boto3-stubs[fms] for seamless integration; use TYPE_CHECKING guards if you want to exclude it from production.

Install

mypy-boto3-fms on PyPI

pip install mypy-boto3-fms

uv add mypy-boto3-fms

poetry add mypy-boto3-fms

Installing mypy-boto3-fms

Before you install

Low friction installation with a single lightweight runtime dependency (typing-extensions). The package is actively maintained with recent releases and no known vulnerabilities.

License in practice

MIT license permits unrestricted use, modification, and distribution in both open-source and proprietary projects with minimal restrictions.

Quickstart

# Install type stubs
python -m pip install 'boto3-stubs[fms]'

# Use in code with type checking
from boto3.session import Session
from mypy_boto3_fms import FMSClient

client: FMSClient = Session().client("fms")
# IDE now provides autocomplete and mypy checks the client usage

Requires Python 3.9 or later; boto3 must be installed separately as a runtime dependency of boto3-stubs or installed independently.

Verify before relying

• Performance impact on PyCharm with full boto3-stubs (documentation mentions potential slowness with Literal overloads, but workarounds exist).
• Whether the package is suitable for production environments when used with TYPE_CHECKING guards.

Package facts

Evidence: mypy_boto3_fms-1.43.0-py3-none-any.whl

Keywords: boto3, fms, boto3-stubs, type-annotations, mypy, typeshed, autocomplete

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