Update app.py

app.py

@@ -8,6 +8,16 @@ import io
 # (Keep Constants as is)
 # --- Constants ---
 DEFAULT_API_URL = "https://agents-course-unit4-scoring.hf.space"
+# Get your own keys from https://cloud.langfuse.com
+os.environ["LANGFUSE_HOST"] = "https://cloud.langfuse.com"  # 🇪🇺 EU region example
+# os.environ["LANGFUSE_HOST"] = "https://us.cloud.langfuse.com"  # 🇺🇸 US region example
+
+LANGFUSE_AUTH = base64.b64encode(
+    f"{os.getenv('LANGFUSE_PUBLIC_KEY')}:{os.getenv('LANGFUSE_SECRET_KEY')}".encode()
+).decode()
+
+os.environ["OTEL_EXPORTER_OTLP_ENDPOINT"] = os.environ.get("LANGFUSE_HOST") + "/api/public/otel"
+os.environ["OTEL_EXPORTER_OTLP_HEADERS"] = f"Authorization=Basic {LANGFUSE_AUTH}"
 
 class AttachmentDownloadTool(Tool):
     name = "attachment_downloader"
@@ -168,7 +178,25 @@ def run_and_submit_all( profile: gr.OAuthProfile | None):
     api_url = DEFAULT_API_URL
     questions_url = f"{api_url}/questions"
     submit_url = f"{api_url}/submit"
-
+    
+    from opentelemetry.sdk.trace import TracerProvider
+    from openinference.instrumentation.smolagents import SmolagentsInstrumentor
+    from opentelemetry.exporter.otlp.proto.http.trace_exporter import OTLPSpanExporter
+    from opentelemetry.sdk.trace.export import SimpleSpanProcessor
+     
+    # Create a TracerProvider for OpenTelemetry
+    trace_provider = TracerProvider()
+    
+    # Add a SimpleSpanProcessor with the OTLPSpanExporter to send traces
+    trace_provider.add_span_processor(SimpleSpanProcessor(OTLPSpanExporter()))
+    
+    # Set the global default tracer provider
+    from opentelemetry import trace
+    trace.set_tracer_provider(trace_provider)
+    tracer = trace.get_tracer(__name__)
+
+    # Instrument smolagents with the configured provider
+    SmolagentsInstrumentor().instrument(tracer_provider=trace_provider)
     # 1. Instantiate Agent ( modify this part to create your agent)
     try:
         agent = BasicAgent()