Update app.py

app.py

@@ -1,10 +1,29 @@
 import gradio as gr
+import os
+import chess
+import chess.engine
+import stat
 
 
-def greet(name):
-    return "Hello " + name
 
+def eval(fenstring):
+    output = ""
+    os.chmod("./stockfish_14_x64_popcnt",0o0777)
+    engine = chess.engine.SimpleEngine.popen_uci("./stockfish_14_x64_popcnt")
+    
 
-demo = gr.Interface(fn=greet, inputs="text", outputs="text")
+    # Score: PovScore(Cp(+20), WHITE)
 
-demo.launch()
+    board = chess.Board(fenstring)
+    
+    info = engine.analyse(board, chess.engine.Limit(depth=20),multipv=3)
+ 
+ 
+    # Score: PovScore(Mate(+1), WHITE)
+    
+    engine.quit()
+    return info
+iface = gr.Interface(fn=eval, title="Stockfish chessboard eval",
+                    description="Stockfish 14 chess evaluation using pychess engine component. Enter in fen string to get the board eval and the 3 best moves with continuations\
+       Stockfish 15 would not execute in huggingface due to glibc", inputs="text", outputs="text")
+iface.launch()