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# pwdlib
Modern password hashing for Python
[build]
[codecov]
[PyPI version]
[Downloads]
---
**Documentation**: https://frankie567.github.io/pwdlib/
**Source Code**: https://github.com/frankie567/pwdlib
---
## Quickstart
```sh
pip install 'pwdlib[argon2]'
`
`py
from pwdlib import PasswordHash
password_hash = PasswordHash.recommended()
hash = password_hash.hash("herminetincture")
password_hash.verify("herminetincture", hash) # True
```
## Why `pwdlib`?
For years, the de-facto standard to hash passwords was [`passlib`].
Unfortunately, it has not been very active recently and its [maintenance
status is under question]. Starting Python 3.13, `passlib` won't work
anymore.
That's why I decided to start `pwdlib`, a password hash helper for the
modern Python era. However, it's **not designed to be a complete
replacement** for `passlib`, which supports numerous [hashing algorithms
and features].
**✅ Goals**
- [x] Provide an easy-to-use wrapper to hash and verify passwords
- [x] Support modern and secure algorithms like Argon2 or Bcrypt
**❌ Non-goals**
- [] Support legacy hashing algorithms like MD5
- [] Implement algorithms directly — we should only rely on existing and
battle-tested implementations
## Development
### Setup environment
We use [uv] to manage the development environment and production build, and
[just] to manage command shortcuts. Ensure they are installed on your
system.
### Run unit tests
You can run all the tests with:
`bash
just test
`
### Format the code
Execute the following command to apply linting and check typing:
`bash
hatch run lint
`
### Publish a new version
You can bump the version, create a commit and associated tag with one
command:
`bash
hatch version patch
`
`bash
hatch version minor
`
`bash
hatch version major
`
Your default Git text editor will open so you can add information about the
release.
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