gnu: Add aerich.

* gnu/packages/databases.scm (aerich): New variable.

Change-Id: I322d619dc80c943d50e28a96ba74d276784ab8da
Signed-off-by: Christopher Baines <mail@cbaines.net>

gnu/packages/databases.scm

@@ -61,6 +61,7 @@
 ;;; Copyright © 2021, 2022 jgart <jgart@dismail.de>
 ;;; Copyright © 2023 Felix Gruber <felgru@posteo.ne
 ;;; Copyright © 2023 Munyoki Kilyungi <me@bonfacemunyoki.com>
+;;; Copyright © 2023 Giacomo Leidi <goodoldpaul@autistici.org>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -3113,6 +3114,48 @@ engraved in its design that you are working not with just tables, you work
 with relational data.")
     (license license:asl2.0)))
 
+(define-public aerich
+  (package
+    (name "aerich")
+    (version "0.7.2")
+    (source
+     (origin
+       (method git-fetch)
+       (uri (git-reference
+             (url "https://github.com/tortoise/aerich")
+             (commit (string-append "v" version))))
+       (file-name (git-file-name name version))
+       (sha256
+        (base32
+         "0pcy945bg890p12s7cyw0mg7hxwsxyy570j600sbf7kwj2d3lilg"))))
+    (build-system pyproject-build-system)
+    (native-inputs
+     (list poetry
+           python-bandit
+           python-cryptography
+           python-isort
+           python-pydantic
+           python-pytest
+           python-pytest-asyncio
+           python-pytest-mock
+           python-pytest-xdist))
+    (propagated-inputs
+     (list python-asyncmy
+           python-asyncpg
+           python-click
+           python-ddlparse
+           python-dictdiffer
+           python-tomlkit
+           python-tortoise-orm))
+    (home-page "https://github.com/tortoise/aerich")
+    (synopsis "Database migrations tool for Tortoise @acronym{ORM, Object Relational
+Mapper}")
+    (description
+     "This package provides @code{aerich}, a Python database migrations tool
+for Tortoise @acronym{ORM, Object Relational Mapper}.  It can be used both
+programmatically or as a standalone CLI application.")
+    (license license:asl2.0)))
+
 (define-public sqlcipher
   (package
     (name "sqlcipher")