app.py: use samplers endpoint

app.py

@@ -36,6 +36,10 @@ class Prodia:
         response = self._get(f"{self.base}/sdxl/models")
         return response.json()
 
+    def list_samplers(seflf):
+        response = self._get(f"{self.base}/sdxl/samplers")
+        return response.json()
+
     def _post(self, url, params):
         headers = {
             **self.headers,
@@ -119,25 +123,7 @@ with gr.Blocks(css=css) as demo:
                 with gr.Tab("Generation"):
                     with gr.Row():
                         with gr.Column(scale=1):
-                            sampler = gr.Dropdown(value="DPM++ 2M Karras", show_label=True, label="Sampling Method", choices=[
-                                "Euler",
-                                "Euler a",
-                                "LMS",
-                                "Heun",
-                                "DPM2",
-                                "DPM2 a",
-                                "DPM++ 2S a",
-                                "DPM++ 2M",
-                                "DPM++ SDE",
-                                "DPM fast",
-                                "DPM adaptive",
-                                "LMS Karras",
-                                "DPM2 Karras",
-                                "DPM2 a Karras",
-                                "DPM++ 2S a Karras",
-                                "DPM++ 2M Karras",
-                                "DPM++ SDE Karras",
-                            ])
+                            sampler = gr.Dropdown(value="DPM++ 2M Karras", show_label=True, label="Sampling Method", choices=prodia_client.list_samplers())
 
                         with gr.Column(scale=1):
                             steps = gr.Slider(label="Sampling Steps", minimum=1, maximum=30, value=25, step=1)