Upload record_attendance.py

record_attendance.py

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+import csv
+import os
+from datetime import datetime
+
+def record_attendance_new(present_students: list, subject: str):
+    # Automatically get the current date in YYYY-MM-DD format
+    date = datetime.now().strftime("%Y-%m-%d")
+
+    # Create or open the CSV file based on the subject
+    csv_file_path = f'{subject}.csv'
+
+    # Check if the file exists
+    if not os.path.exists(csv_file_path):
+        # If the file doesn't exist, create it and add the date as the first column header
+        with open(csv_file_path, 'w', newline='') as csvfile:
+            writer = csv.writer(csvfile)
+            writer.writerow(['Roll Number', date])  # Initialize with Roll Number as the first column
+            for roll_number in present_students:
+                writer.writerow([roll_number])  # Insert the roll numbers under the date column
+    else:
+        # If the file exists, open it and check the structure
+        # Read the existing CSV file
+        with open(csv_file_path, 'r', newline='') as csvfile:
+            reader = csv.reader(csvfile)
+            rows = list(reader)
+
+        # Check if the date column already exists
+        if date not in rows[0]:
+            # Add a new date column if it doesn't exist
+            rows[0].append(date)
+
+        # Collect the index of the date column
+        date_col_index = rows[0].index(date)
+
+        # Update or add roll numbers for the given date
+        for roll_number in present_students:
+            # Check if the roll number already exists in the file
+            found = False
+            for row in rows[1:]:
+                if row[0] == str(roll_number):  # Roll number matches
+                    found = True
+                    # If the roll number is found and the corresponding date cell is empty, fill it
+                    if len(row) < date_col_index + 1:  # Extend the row if it doesn't have enough columns
+                        row.extend([''] * (date_col_index - len(row) + 1))
+                    if row[date_col_index] == '':
+                        row[date_col_index] = 'Present'
+                    break
+            if not found:
+                # If the roll number is not found, add a new row for this roll number
+                new_row = [str(roll_number)] + [''] * (date_col_index - 1) + ['Present']
+                rows.append(new_row)
+
+        # Write the updated data back to the CSV file
+        with open(csv_file_path, 'w', newline='') as csvfile:
+            writer = csv.writer(csvfile)
+            writer.writerows(rows)
+
+    print(f"Attendance recorded for {len(present_students)} students on {date} in {subject}.")