cmdtest.py: new WSGI http server framework

MANIFEST.in

@@ -13,6 +13,7 @@ include nix/*
 
 include test/*.py
 include test/*/*.py
+include test/*/*/*.py
 include test/ref/*
 include test/ref/*/*
 include test/ref/*/*/*/*

test/cmdtest_d/httpd/__init__.py

@@ -0,0 +1,61 @@
+#!/usr/bin/env python3
+#
+# MMGen Wallet, a terminal-based cryptocurrency wallet
+# Copyright (C)2013-2025 The MMGen Project <mmgen@tuta.io>
+# Licensed under the GNU General Public License, Version 3:
+#   https://www.gnu.org/licenses
+# Public project repositories:
+#   https://github.com/mmgen/mmgen-wallet
+#   https://gitlab.com/mmgen/mmgen-wallet
+
+"""
+test.cmdtest_d.httpd: WSGI http server
+"""
+
+from wsgiref.simple_server import make_server, WSGIRequestHandler
+
+from mmgen.util import msg
+from mmgen.util2 import port_in_use
+
+class SilentRequestHandler(WSGIRequestHandler):
+
+	def log_request(self, code='-', size='-'):
+		return None
+
+class HTTPD:
+
+	def start(self):
+
+		if port_in_use(self.port):
+			msg(f'\nPort {self.port} in use. Assuming {self.name} is running')
+			return True
+
+		self.httpd = make_server(
+			'localhost',
+			self.port,
+			self.application,
+			handler_class = SilentRequestHandler)
+
+		import threading
+		t = threading.Thread(target=self.httpd.serve_forever, name=f'{self.name} thread')
+		t.daemon = True
+		t.start()
+
+	def stop(self):
+		self.httpd.server_close()
+
+	def application(self, environ, start_response):
+
+		method = environ['REQUEST_METHOD']
+
+		response_body = self.make_response_body(method, environ)
+
+		status = '200 OK'
+		response_headers = [
+			('Content-Type', self.content_type),
+			('Content-Length', str(len(response_body)))
+		]
+
+		start_response(status, response_headers)
+
+		return [response_body]