types-boto3-s3
Type annotations for boto3 S3 1.43.66 service generated with mypy-boto3-builder 8.12.0
Decision gist · record as of 2026-08-14
Yes. This is a low-friction, actively maintained type stub package with no known vulnerabilities and a permissive MIT license. Install it if you use boto3 S3 and want IDE autocomplete, static type checking, or both. It adds no runtime overhead and requires only typing-extensions as a dependency.AI-flagged interpretation of the facts on this page — verify before relying
Before you install
- Requires Python 3.9 or later; boto3 itself must be installed separately for runtime use.
- Low install friction with a single runtime dependency (typing-extensions).
- Actively maintained with a release 7 days ago and 670 repository stars.
License · maintenance · safety
MIT (permissive) — MIT license permits unrestricted use, modification, and distribution in both open-source and proprietary projects.
last release 2026-08-07 (7 days) · last repo commit 2026-06-22 · 670 stars
0 known vulnerabilities (OSV.dev, 2026-08-14) · 5,430,364 downloads/mo, #2,102 on PyPI
Alternatives
Verify before relying
pip install types-boto3-s3
from boto3.session import Session
from types_boto3_s3 import S3Client
client: S3Client = Session().client("s3")
# Type checking and IDE autocomplete now available- Whether PyCharm performance issues with Literal overloads mentioned in the description have been resolved in recent versions.
- Whether the lite variant (types-boto3-lite) offers meaningful performance improvements for large projects.
What it is and what it does
This package is a type stub library that adds static type information to boto3's S3 service. It was generated using mypy-boto3-builder 8.12.0 and provides complete type annotations for S3 clients, paginators, waiters, and service resources. When installed, it enables IDEs like VSCode, PyCharm, Emacs, and Sublime Text to offer code completion and type checking for S3 operations without requiring explicit type annotations in your code.
The package is designed to work with type checkers including mypy and pyright, and supports Python 3.9 through 3.14. It has a single runtime dependency on typing-extensions and is maintained actively—the repository shows recent commits and the package was released 7 days ago. The type annotations cover the full S3 API surface, including client methods, paginators for iterating large result sets, and waiters for polling operations.
Use it for
- Enable IDE autocomplete and type checking when writing boto3 S3 code in VSCode with Pylance or PyCharm.
- Run mypy or pyright on a codebase using boto3 S3 to catch type errors before runtime.
- Provide explicit type hints for S3Client, paginators, and waiters in function signatures and variable declarations.
- Use in Emacs or Sublime Text with LSP and pyright for real-time type checking and code completion.
- Avoid runtime errors by catching S3 API misuse during development with static type analysis.
Worth the install?
AI-flagged interpretation of the facts on this page. Verify before relying on it.
Yes.
This is a low-friction, actively maintained type stub package with no known vulnerabilities and a permissive MIT license. Install it if you use boto3 S3 and want IDE autocomplete, static type checking, or both. It adds no runtime overhead and requires only typing-extensions as a dependency.
Install
types-boto3-s3 on PyPI
Before you install
Low install friction with a single runtime dependency (typing-extensions). Actively maintained with a release 7 days ago and 670 repository stars.
Requires Python 3.9 or later; boto3 itself must be installed separately for runtime use.
License in practice
MIT license permits unrestricted use, modification, and distribution in both open-source and proprietary projects.
Quickstart
pip install types-boto3-s3
from boto3.session import Session
from types_boto3_s3 import S3Client
client: S3Client = Session().client("s3")
# Type checking and IDE autocomplete now availableVerify before relying
- Whether PyCharm performance issues with Literal overloads mentioned in the description have been resolved in recent versions.
- Whether the lite variant (types-boto3-lite) offers meaningful performance improvements for large projects.
Package facts
| License | MIT permissive |
| Python support | Supports the current Python release >=3.9 |
| Install friction | Low. Pure-Python wheel |
| Runtime dependencies | 1 packagetyping-extensions |
| Maintenance | Actively maintained 7 days since the last release |
| Last repo commit | |
| First released | |
| Downloads | 5,430,364 / month, #2,102 on PyPI 30-day window, as of 2026-08-14 |
| Known vulnerabilities | None known OSV.dev, checked 2026-08-14 |
| Classifiers | Development Status :: 5 - Production/StableEnvironment :: ConsoleIntended Audience :: DevelopersNatural Language :: EnglishOperating System :: OS IndependentProgramming Language :: Python :: 3Programming Language :: Python :: 3 :: OnlyProgramming Language :: Python :: 3.10Programming Language :: Python :: 3.11Programming Language :: Python :: 3.12Programming Language :: Python :: 3.13Programming Language :: Python :: 3.14Programming Language :: Python :: 3.9Programming Language :: Python :: Implementation :: CPythonTyping :: Stubs Only |
Evidence: types_boto3_s3-1.43.66-py3-none-any.whl
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See also mypy-boto3 · mypy-boto3-s3 · types-boto3-ec2 · types-boto3 · types-boto3-full · types-boto3-dynamodb · types-boto3-ecs · types-boto3-logs · types-boto3-kms · boto3-type-annotations-with-docs