# The Parity Public License
Development Draft
Contributor: Kat Marchán <kzm@zkat.tech>
Source Code: https://github.com/zkat/cacache-rs
## Purpose
This license lets you use and share this software for free, as long as you contribute software you make with it, other than prototypes.
## Acceptance
In order to receive this license, you must agree to its rules. The rules of this license are both obligations under that agreement and conditions to your license. You must not do anything with this software that triggers a rule that you cannot or will not follow.
## Copyright
The contributor licenses you to do everything with this software that would otherwise infringe their copyright in it.
## Notices
You must ensure that everyone who gets a copy of any part of this software from you, with or without changes, also gets the text of this license and the contributor and source code lines above.
## Patent
The contributor licenses you to do everything with this software that would otherwise infringe any patent claims they can license or become able to license.
## Defense
Do not make any legal claim against anyone accusing this software, with or without changes, alone or with other software, of infringing any patent claim.
## Reliability
The contributor cannot revoke this license.
## Copyleft
[Contribute](#contributing) software that you develop, deploy, monitor, or run with this software, including changed or extended versions of this software. When in doubt, [contribute](#contributing).
## Prototypes
You need not [contribute](#contributing) any change, addition, or other software that meets all these criteria:
1. You do not use it for more than thirty calendar days.
2. You do not share it outside the development team working on the prototype.
3. You do not use it to develop or operate software for anyone outside the development team.
## Contributing
When this license requires you to [contribute](#contributing):
1. Publish all source code, in the preferred form for making changes, through a freely accessible distribution system widely used for similar source code, so the or and others can find and copy it.
2. Ensure that each part of that source code is available to the public under a license at least as permissive as this one, such as MIT, two-clause BSD license, Apache 2.0, or Blue Oak Model 1.0.0.
3. Take these steps within thirty calendar days of when you first did anything requiring [contribution](#contributing).
Note that this license does _not_ allow you to change the license terms for this software.
## Excuse
You are excused for unknowingly breaking [copyleft](#copyleft) if you [contribute](#contributing) as required, or stop doing anything requiring this license, within thirty days of learning you broke that rule. You are excused for unknowingly breaking [notices](#notices) if you take all practical steps to comply within thirty days of learning you broke that rule.
## No Liability
**_As far as the law allows, this software comes as is, without any warranty or condition, and the contributor will not be liable to anyone for any damages related to this software or this license, under any kind of legal claim._**