Add python example for websocket api docs

frontend/src/app/docs/api-docs/api-docs-data.ts

@@ -62,6 +62,40 @@ console.log(res["mempool-blocks"]);
 }
 });
     `,
+    python: `import websocket
+import _thread
+import time
+import rel
+import json
+
+rel.safe_read()
+
+def on_message(ws, message):
+    print(json.loads(message))
+
+def on_error(ws, error):
+    print(error)
+
+def on_close(ws, close_status_code, close_msg):
+    print("### closed ###")
+
+def on_open(ws):
+    message = { "action": "init" }
+    ws.send(json.dumps(message))
+    message = { "action": "want", "data": ['blocks', 'stats', 'mempool-blocks', 'live-2h-chart', 'watch-mempool'] }
+    ws.send(json.dumps(message))
+
+if __name__ == "__main__":
+    ws = websocket.WebSocketApp("wss://mempool.space/api/v1/ws",
+                              on_open=on_open,
+                              on_message=on_message,
+                              on_error=on_error,
+                              on_close=on_close)
+
+    ws.run_forever(dispatcher=rel)  # Set dispatcher to automatic reconnection
+    rel.signal(2, rel.abort)  # Keyboard Interrupt
+    rel.dispatch()
+    `,
   },
   codeSampleMainnet: emptyCodeSample,
   codeSampleTestnet: emptyCodeSample,

frontend/src/app/docs/code-template/code-template.component.html

@@ -30,6 +30,13 @@
         <pre><code [innerText]="wrapEsModule(code)"></code></pre>
       </ng-template>
     </li>
+    <li ngbNavItem *ngIf="showCodeExample[network] && network !== 'liquid' && network !== 'liquidtestnet'" role="presentation">
+      <a ngbNavLink (click)="adjustContainerHeight( $event )" role="tab">Python</a>
+      <ng-template ngbNavContent>
+        <div class="subtitle"><ng-container i18n="API Docs code example">Code Example</ng-container> <app-clipboard [text]="wrapEsModule(code)"></app-clipboard></div>
+        <pre><code [innerText]="wrapPythonTemplate(code)"></code></pre>
+      </ng-template>
+    </li>
   </ul>
   <div [ngbNavOutlet]="navCodeTemplate"></div>
   <div *ngIf="code.codeTemplate && wrapResponse(code) !== ''" class="response">

frontend/src/app/docs/code-template/code-template.component.ts

@@ -287,6 +287,10 @@ yarn add @mempool/liquid.js`;
     return code.codeSampleMainnet.response;
   }
 
+  wrapPythonTemplate(code: any) {
+    return ( ( this.network === 'testnet' || this.network === 'signet' ) ? ( code.codeTemplate.python.replace( "wss://mempool.space/api/v1/ws", "wss://mempool.space/" + this.network + "/api/v1/ws" ) ) : code.codeTemplate.python );
+  }
+
   replaceJSPlaceholder(text: string, code: any) {
     for (let index = 0; index < code.length; index++) {
       const textReplace = code[index];