Add Mailing Code

mailer.py

@@ -0,0 +1,37 @@
+import smtplib, ssl
+import datetime
+
+def send_mails(ids):
+    all_mails = [f"cse22000100{i}" for i in range (1, 10)] + [f"cse2200010{i}" for i in range (10, 84)]
+    port = 587  # For starttls
+    smtp_server = "smtp.gmail.com"
+    sender_email = "contactkhelogames@gmail.com"
+    password = open("password.txt", "r").read()
+    # receiver_email = "cse210001083@iiti.ac.in"
+    message_present = f"""\
+    Subject: Attendace for {datetime.date.today()}
+    Your attendance for the class has been marked present."""
+    message_absent = f"""\
+    Subject: Attendace for {datetime.date.today()}
+    Your attendance for the class has been marked absent."""
+    for receiver_email in ids:
+        context = ssl.create_default_context()
+        with smtplib.SMTP(smtp_server, port) as server:
+            server.ehlo() 
+            server.starttls(context=context)
+            server.ehlo() 
+            server.login(sender_email, password)
+            server.sendmail(sender_email, receiver_email, message_present) 
+            print(f"Mail sent to {receiver_email}")
+        all_mails.remove(receiver_email)
+
+    for receiver_email in all_mails:
+        context = ssl.create_default_context()
+        with smtplib.SMTP(smtp_server, port) as server:
+            server.ehlo() 
+            server.starttls(context=context)
+            server.ehlo() 
+            server.login(sender_email, password)
+            server.sendmail(sender_email, receiver_email, message_absent) 
+            print(f"Mail sent to {receiver_email}")
+    print("All mails sent successfully")