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/ _| __ _| |_ ___ __ _| |_
| |_ / _` | __/ __/ _` | __|
| _| (_| | || (_| (_| | |_
|_| \__,_|\__\___\__,_|\__|
... catalog all the things!
This repository contains source code for 'fatcat', an editable catalog of
published written works (mostly journal articles), with a focus on tracking
the location and status of full-text copies to ensure "perpetual access".
The [RFC](./fatcat-rfc.md) is the original design document, and the best place
to start for background. There is a work-in-progress "guide" at
<https://guide.fatcat.wiki>; the canonical public location of this repository
is <https://github.com/internetarchive/fatcat>.
There are three main components:
- backend API server and database (in Rust)
- API client libraries and bots (in Python)
- front-end web interface (in Python; built on API and library)
See the LICENSE file for details permissions and licensing of both python and
rust code. In short, the auto-generated client libraries are permissively
released, while the API server and web interface are strong copyleft (AGPLv3).
## Status
- SQL and HTTP API schemas
- [x] Basic entities
- [x] one-to-many and many-to-many entities
- [x] JSON(B) "extra" metadata fields
- [x] full rev1 schema for all entities
- [ ] editgroup review: comments? actions?
- [ ] file sets and web captures
- HTTP API Server
- [x] base32 encoding of UUID identifiers
- [x] inverse many-to-many helpers (files-by-release, release-by-creator)
- [ ] Authentication (eg, accounts, OAuth2, JWT)
- [ ] Authorization (aka, roles)
- Web Interface
- [x] Migrate Python codebase
- [ ] Creation and editing of all entities
- Other
- [x] Elasticsearch schema
- [x] Basic logging
- [x] Swagger-UI
- [x] Bulk metadata exports
- [ ] Sentry (error reporting)
- [ ] Metrics
## Identifiers
Fatcat entity identifiers are 128-bit UUIDs encoded in base32 format. Revision
ids are also UUIDs, and encoded in normal UUID fashion, to disambiguate from
edity identifiers.
Python helpers for conversion:
import base64
import uuid
def fcid2uuid(s):
s = s.split('_')[-1].upper().encode('utf-8')
assert len(s) == 26
raw = base64.b32decode(s + b"======")
return str(uuid.UUID(bytes=raw)).lower()
def uuid2fcid(s):
raw = uuid.UUID(s).bytes
return base64.b32encode(raw)[:26].lower().decode('utf-8')
test_uuid = '00000000-0000-0000-3333-000000000001'
assert test_uuid == fcid2uuid(uuid2fcid(test_uuid))
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