#830 Implement a socket wrapper API for use with LSP connections

test/dumb_tcp_server.py

@@ -0,0 +1,40 @@
+"""
+This Python script creates a TCP server that does nothing but send its input
+back to the client that connects to it. Only one argument must be given, a port
+to bind to.
+"""
+import os
+import socket
+import sys
+
+
+def main():
+    if len(sys.argv) < 2 or not sys.argv[1].isdigit():
+        sys.exit('You must specify a port number')
+
+    sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+    sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
+    sock.bind(('127.0.0.1', int(sys.argv[1])))
+    sock.listen(0)
+
+    pid = os.fork()
+
+    if pid:
+        print(pid)
+        sys.exit()
+
+    while True:
+        connection = sock.accept()[0]
+        connection.settimeout(5)
+
+        while True:
+            try:
+                connection.send(connection.recv(1024))
+            except socket.timeout:
+                break
+
+        connection.close()
+
+
+if __name__ == "__main__":
+    main()