feat: gradio demo integration (#16)

Co-authored-by: Bo Liu <benjaminliu.eecs@gmail.com>
Co-authored-by: Haoyu Lu <ruclhy1998@163.com>

deepseek_vl/serve/app_modules/gradio_utils.py

@@ -0,0 +1,94 @@
+# Copyright (c) 2023-2024 DeepSeek.
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy of
+# this software and associated documentation files (the "Software"), to deal in
+# the Software without restriction, including without limitation the rights to
+# use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+# the Software, and to permit persons to whom the Software is furnished to do so,
+# subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in all
+# copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+# FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+# COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+# IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+from functools import wraps
+
+import gradio as gr
+
+
+def wrap_gen_fn(gen_fn):
+    @wraps(gen_fn)
+    def wrapped_gen_fn(prompt, *args, **kwargs):
+        try:
+            yield from gen_fn(prompt, *args, **kwargs)
+        except gr.Error as g_err:
+            raise g_err
+        except Exception as e:
+            raise gr.Error(f"Failed to generate text: {e}") from e
+
+    return wrapped_gen_fn
+
+
+def delete_last_conversation(chatbot, history):
+    if len(history) % 2 != 0:
+        gr.Error("history length is not even")
+        return (
+            chatbot,
+            history,
+            "Delete Done",
+        )
+
+    if len(chatbot) > 0:
+        chatbot.pop()
+
+    if len(history) > 0 and len(history) % 2 == 0:
+        history.pop()
+        history.pop()
+
+    return (
+        chatbot,
+        history,
+        "Delete Done",
+    )
+
+
+def reset_state():
+    return [], [], None, "Reset Done"
+
+
+def reset_textbox():
+    return gr.update(value=""), ""
+
+
+def cancel_outputing():
+    return "Stop Done"
+
+
+def transfer_input(input_text, input_image):
+    print("transferring input text and input image")
+    return (
+        input_text,
+        input_image,
+        gr.update(value=""),
+        gr.update(value=None),
+        gr.Button(visible=True),
+    )
+
+
+class State:
+    interrupted = False
+
+    def interrupt(self):
+        self.interrupted = True
+
+    def recover(self):
+        self.interrupted = False
+
+
+shared_state = State()