rosenthal: Add mautrix-telegram.

* modules/rosenthal/packages/messaging.scm (mautrix-telegram): New variable.

modules/rosenthal/packages/messaging.scm

@@ -0,0 +1,84 @@
+;;; SPDX-FileCopyrightText: 2025 Hilton Chain <hako@ultrarare.space>
+;;;
+;;; SPDX-License-Identifier: GPL-3.0-or-later
+
+(define-module (rosenthal packages messaging)
+  #:use-module ((guix licenses) #:prefix license:)
+  #:use-module (gnu packages crypto)
+  #:use-module (gnu packages databases)
+  #:use-module (gnu packages monitoring)
+  #:use-module (gnu packages python-build)
+  #:use-module (gnu packages python-compression)
+  #:use-module (gnu packages python-crypto)
+  #:use-module (gnu packages python-web)
+  #:use-module (gnu packages python-xyz)
+  #:use-module (gnu packages serialization)
+  #:use-module (guix build-system pyproject)
+  #:use-module (guix gexp)
+  #:use-module (guix git-download)
+  #:use-module (guix packages)
+  #:use-module (guix utils)
+  #:use-module (rosenthal packages python-xyz))
+
+(define-public mautrix-telegram
+  (package
+    (name "mautrix-telegram")
+    (version "0.15.3")
+    (source (origin
+              (method git-fetch)
+              (uri (git-reference
+                     (url "https://github.com/mautrix/telegram")
+                     (commit (string-append "v" version))))
+              (file-name (git-file-name name version))
+              (sha256
+               (base32
+                "0ivhp827ypngq3p8m5bmiv1nk2x2c4y0z1c37rczjmq941dnlw63"))))
+    (build-system pyproject-build-system)
+    (arguments
+     (list #:tests? #f                  ;No test suite.
+           #:phases
+           #~(modify-phases %standard-phases
+               (add-after 'install 'install-extras
+                 (lambda _
+                   (let* ((bindir (in-vicinity #$output "bin"))
+                          (etcdir (in-vicinity #$output "etc/mautrix-telegram"))
+                          (bin (in-vicinity bindir "mautrix-telegram"))
+                          (cfg (in-vicinity #$output "example-config.yaml")))
+                     (for-each mkdir-p (list bindir etcdir))
+                     (install-file cfg etcdir)
+                     (delete-file cfg)
+                     (call-with-output-file bin
+                       (lambda (port)
+                         (format port "~
+#!/bin/sh
+python3 -m mautrix_telegram \"$@\"~%")))
+                     (chmod bin #o555)))))))
+    (native-inputs
+     (list python-setuptools))
+    (propagated-inputs
+     (list python-asyncpg
+           python-commonmark
+           python-aiosqlite
+           python-magic
+           python-mako
+           python-mautrix
+           python-ruamel.yaml
+           python-tulir-telethon))
+    (inputs
+     (list python-aiodns
+           python-aiosqlite
+           python-brotli
+           python-olm
+           python-phonenumbers
+           python-pillow
+           python-prometheus-client
+           python-pycryptodome
+           python-qrcode
+           python-socks
+           python-unpaddedbase64))
+    (synopsis "Matrix-Telegram hybrid puppeting/relaybot bridge")
+    (description
+     "This package provides a Matrix-Telegram hybrid puppeting/relaybot
+bridge.")
+    (home-page "https://github.com/mautrix/telegram")
+    (license license:agpl3+)))