gnu: Add pproxy.

* gnu/packages/networking.scm (pproxy): New variable.

gnu/packages/networking.scm

@@ -23,7 +23,7 @@
 ;;; Copyright © 2018, 2019 Tonton <tonton@riseup.net>
 ;;; Copyright © 2018 Clément Lassieur <clement@lassieur.org>
 ;;; Copyright © 2018 Theodoros Foradis <theodoros@foradis.org>
-;;; Copyright © 2018, 2020, 2021 Marius Bakke <marius@gnu.org>
+;;; Copyright © 2018, 2020-2022 Marius Bakke <marius@gnu.org>
 ;;; Copyright © 2018, 2020, 2021 Oleg Pykhalov <go.wigust@gmail.com>
 ;;; Copyright © 2018 Pierre Neidhardt <mail@ambrevar.xyz>
 ;;; Copyright © 2019, 2020, 2021, 2022 Maxim Cournoyer <maxim.cournoyer@gmail.com>
@@ -128,6 +128,7 @@ (define-module (gnu packages networking)
   #:use-module (gnu packages pretty-print)
   #:use-module (gnu packages pulseaudio)
   #:use-module (gnu packages python)
+  #:use-module (gnu packages python-crypto)
   #:use-module (gnu packages python-web)
   #:use-module (gnu packages python-xyz)
   #:use-module (gnu packages qt)
@@ -910,6 +911,42 @@ (define-public parprouted
 useful for making transparent firewalls.")
     (license license:gpl2)))
 
+(define-public pproxy
+  (package
+    (name "pproxy")
+    (version "2.7.8")
+    (source (origin
+              (method url-fetch)
+              (uri (pypi-uri "pproxy" version))
+              (sha256
+               (base32
+                "1j4nv72i77i2j5nl9ymzpk4m98qih3naihfrqjghrc9b7g0krdzs"))))
+    (build-system python-build-system)
+    (arguments
+     (list #:phases
+           #~(modify-phases %standard-phases
+               (replace 'check
+                 (lambda* (#:key tests? #:allow-other-keys)
+                   (when tests?
+                     (with-directory-excursion "tests"
+                       (for-each (lambda (file)
+                                   (invoke "python" file))
+                                 ;; XXX: The api_ tests require network access
+                                 ;; so we only run the cipher tests for now.
+                                 (find-files "." "^cipher_.*\\.py$")))))))))
+    (inputs
+     (list python-asyncssh
+           python-daemon
+           python-pycryptodome
+           python-uvloop))
+    (home-page "https://github.com/qwj/python-proxy")
+    (synopsis "Multi-protocol network proxy")
+    (description
+     "@command{pproxy} is an asynchronuous proxy server implemented with
+Python 3 @code{asyncio}.  Among the supported protocols are HTTP, SOCKS
+and SSH, and it can use both TCP and UDP as transport mechanisms.")
+    (license license:expat)))
+
 (define-public socat
   (package
     (name "socat")