adding a small prototype here

4 years ago · 5aa34b5e7c
commit 5aa34b5e7c
5 changed files with 86 additions and 0 deletions
--- a/websockets/README.md
+++ b/websockets/README.md
@ -0,0 +1,19 @@
+A small websocket testing setup: live streaming plain text without refreshing the webpage.
+
+![](screenshot.png)
+
+# Running this
+
+Run a websocket server in Python:
+
+ $ python3 server.py
+
+View the interface:
+
+ open client.html in a browser
+
+Stream plain text (with HTML features):
+
+ open mytxtfile.txt in a text editor, type, hit save (CTRL+S), type more, hit save, etc 
+
+
--- a/websockets/client.html
+++ b/websockets/client.html
@ -0,0 +1,15 @@
+<!DOCTYPE html>
+<html>
+    <head>
+        <title>WebSocket demo</title>
+    </head>
+    <body>
+        <script>
+            var ws = new WebSocket("ws://127.0.0.1:5678/")
+            ws.onmessage = function (event) {
+                document.body.innerHTML = event.data;
+            };
+            document.body.appendChild(messages); 
+        </script>
+    </body>
+</html>
--- a/websockets/mytxtfile.txt
+++ b/websockets/mytxtfile.txt
@ -0,0 +1,28 @@
+hello
+hello
+hello
+hello
+and now
+yes
+now
+it
+works
+sort of <br>
+i need to save my file though
+but <br>
+i<br>
+can<br>
+write<br>
+HTML!
+<span style="color:blue;">yes</span>
+<span style="background-color:yellow;">yes</span>
+<span style="background-color:pink;">yes</span>
+and now what happens? 
+it works
+but i still need to save<br>
+
+yesss
+<br><br>
+but it is nice somehow
+<br><br>
+it feels intimate
--- a/websockets/screenshot.png
+++ b/websockets/screenshot.png
--- a/websockets/server.py
+++ b/websockets/server.py
@ -0,0 +1,24 @@
+#!/usr/bin/env python
+
+# WS server that sends messages every second
+
+import asyncio
+import datetime
+import random
+import websockets
+
+async def time(websocket, path):
+    while True:
+        # now = datetime.datetime.utcnow().isoformat() + "Z"
+        # myinput = open('mytxtfile.txt')
+        # txt = myinput.read()
+        # myinput.close()
+        with open('mytxtfile.txt') as myinput:
+       		txt = myinput.read()
+        	await websocket.send(txt)
+        	await asyncio.sleep(1)
+
+start_server = websockets.serve(time, "127.0.0.1", 5678)
+
+asyncio.get_event_loop().run_until_complete(start_server)
+asyncio.get_event_loop().run_forever()