Update app.py

app.py

@@ -55,7 +55,7 @@ st.write("**Subjects:**", st.session_state.subjects)
 st.write("**Teachers:**", st.session_state.teachers)
 st.write("**Rooms:**", st.session_state.rooms)
 
-# Timetable generation logic
+# Timetable generation logic with debugging
 def generate_timetable(subjects, teachers, rooms, time_slots, days):
     model = cp_model.CpModel()
     schedule = {}
@@ -109,15 +109,18 @@ def generate_timetable(subjects, teachers, rooms, time_slots, days):
     solver = cp_model.CpSolver()
     status = solver.Solve(model)
 
-    if status == cp_model.OPTIMAL:
-        result = []
-        for key, var in schedule.items():
-            if solver.Value(var) == 1:
-                result.append(key)
-        return result
-    else:
+    # Debugging: Print the solver status and results
+    if status != cp_model.OPTIMAL:
+        st.error(f"Solver failed to find a solution. Solver status: {status}")
         return []
 
+    result = []
+    for key, var in schedule.items():
+        if solver.Value(var) == 1:
+            result.append(key)
+
+    return result
+
 # Time slots and days for timetable
 time_slots = [f"{hour}:00 - {hour+1}:00" for hour in range(8, 18)]  # 8 AM to 6 PM
 days = ["Monday", "Tuesday", "Wednesday", "Thursday", "Friday"]