Update app.py

app.py

@@ -34,50 +34,48 @@ st.subheader("Record Attendance")
 attendance_date = st.date_input("Select Date")  
 image_file = st.file_uploader("Upload Image for Attendance", type=['jpg', 'png', 'jpeg'])  
 
-# Initialize present_students outside the button condition  
-present_students = []  
-combined_students = []
-if st.button("Take Attendance"):  
-    if image_file is not None and selected_course and attendance_date:  
-        image_path = os.path.join(UPLOAD_FOLDER, image_file.name)  
-        with open(image_path, "wb") as f:  
-            f.write(image_file.getbuffer())  
-        present_students = attendance_system.record_attendance(selected_course, attendance_date, image_path)  
-
-        # Display the count of present students  
-        length = len(present_students)  
-        ty = type(present_students).__name__  # Get the name of the type as a string  
-        st.success(f"{length} students' attendance completed successfully. This is a {ty}.")
-        combined_students = [str(student) for student in present_students]
-        st.json(present_students)  
-
-# Mark attendance section  
-st.subheader("Mark Attendance") 
-# Define the possible roll numbers  
-roll_numbers = [str(i) for i in range(1, 27)]  # Roll numbers 1 to 26  
-# Allow user to select roll numbers to add manually  
-selected_roll_numbers = st.multiselect("Select Roll Numbers to Add", options=roll_numbers)  
-
-# Display the selected roll numbers  
-if selected_roll_numbers:  
-   st.write("Selected Roll Numbers to Add:", selected_roll_numbers) 
-# Combine the present students with the selected roll numbers 
-   present_students_str = [str(student) for student in present_students]
-   length = len(present_students_str)  
-   if present_students_str:  
-       ty = type(present_students_str[0]).__name__    
-   else:  
-       ty = "No students present_students_str"  
-   st.success(f"{length} students' attendance list is now list of roll number {ty}.") 
-   combined_students = [combined_students.append(i) for i in selected_roll_numbers]  # Remove duplicates  
-
-# Optionally, show final list of students  
-st.write("Final List of Present Students:", combined_students)   
-
-if st.button("Mark Attendance"):  
-    record_attendance_new(combined_students, selected_course)  
-    st.success("Attendance marked successfully")
+# Initialize present_students outside the button condition
+present_students = []
+
+if st.button("Take Attendance"):
+    if image_file is not None and selected_course and attendance_date:
+        image_path = os.path.join(UPLOAD_FOLDER, image_file.name)
+        with open(image_path, "wb") as f:
+            f.write(image_file.getbuffer())
+        present_students = attendance_system.record_attendance(selected_course, attendance_date, image_path)
+
+# Display the count of present students
+length = len(present_students)
+ty = type(present_students).__name__  # Get the name of the type as a string
+st.success(f"{length} students' attendance completed successfully. This is a {ty}.")
+st.json(present_students)
+
+# Mark attendance section
+st.subheader("Mark Attendance")
+
+# Define the possible roll numbers
+roll_numbers = [str(i) for i in range(1, 27)]  # Roll numbers 1 to 26
 
+# Allow user to select roll numbers to add manually
+selected_roll_numbers = st.multiselect("Select Roll Numbers to Add", options=roll_numbers)
+
+# Display the selected roll numbers
+if selected_roll_numbers:
+    st.write("Selected Roll Numbers to Add:", selected_roll_numbers)
+
+# Combine the present students with the selected roll numbers
+present_students_str = [str(student) for student in present_students]
+combined_students = list(set(present_students_str) | set(selected_roll_numbers))
+
+# Optionally, show final list of students
+st.write("Final List of Present Students:", combined_students)
+st.success(f"{len(combined_students)} students' attendance after combining automatic and manual lists.")
+
+if st.button("Mark Attendance"):
+    # Convert combined_students back to integers for record_attendance_new function
+    combined_students_int = [int(student) for student in combined_students]
+    record_attendance_new(combined_students_int, selected_course)
+    st.success("Attendance marked successfully")
 # Add to database  
 st.subheader("Add Student to Database")  
 roll_number = st.text_input("Enter Roll Number")