low-ghost · September 23, 2024 01:34 · Jan 8, 2017 · Dec 18, 2016
diff --git a/client.py b/client.py
@@ -0,0 +1,22 @@
+"""Creates a python socket client that will interact with javascript."""
+import socket
+
+socket_path = '/tmp/node-python-sock'
+# connect to the unix local socket with a stream type
+client = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
+client.connect(socket_path)
+# send an initial message (as bytes)
+client.send(b'python connected')
+# start a loop
+while True:
+    # wait for a response and decode it from bytes
+    msg = client.recv(2048).decode('utf-8')
+    print(msg)
+    if msg == 'hi':
+        client.send(b'hello')
+    elif msg == 'end':
+        # exit the loop
+        break
+
+# close the connection
+client.close()
diff --git a/server.js b/server.js
@@ -0,0 +1,36 @@
+/**
+ * Creates a unix socket server and waits for a python client to interact
+ */
+const net = require('net');
+const fs = require('fs');
+
+const socketPath = '/tmp/node-python-sock';
+// Callback for socket
+const handler = (socket) => {
+
+  // Listen for data from client
+  socket.on('data', (bytes) => {
+
+    // Decode byte string
+    const msg = bytes.toString();
+
+    console.log(msg);
+
+    if (msg === 'python connected')
+      return socket.write('hi');
+
+    // Let python know we want it to close
+    socket.write('end');
+    // Exit the process
+    return process.exit(0);
+
+  });
+
+};
+
+// Remove an existing socket
+fs.unlink(
+  socketPath,
+  // Create the server, give it our callback handler and listen at the path
+  () => net.createServer(handler).listen(socketPath)
+);
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