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syedhussim on 03/27/15

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Last Edited at 03/27/15 10:28pm

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Simple POP3 Class

/ Published in: Python

The following code snippet shows a basic POP3 class, which can get the total message count and message details.

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import socket;  
     
    class POP3():  
     
        def __init__(self, host, port):  
            self.log = ""  
            ip = socket.gethostbyname(host)  
            self.sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)  
            result = self.sock.connect_ex((ip, port))    
     
            if result == 0:  
                self.log += "GREETING: " +self.read_line()  
                  
        def credentials(self, username, password):  
            self.send_cmd("USER " + username + "\n")  
            self.log += "USER: " + self.read_line()  
              
            self.send_cmd("PASS " + password + "\n")  
            self.log += "PASS: " + self.read_line()  
     
        def msg_count(self):  
            self.send_cmd("STAT\n")  
            response = self.read_line()  
            parts = response.split(" ")  
            return parts[1]  
     
        def get_message(self, msg_index):  
            message = POP3Message()  
            self.send_cmd("RETR " + str(msg_index) + "\n")  
            parts = self.read_line().split(" ")  
     
            if parts[0] == "+OK":  
                size = int(parts[1])  
                data = ""  
     
                while len(data) < size:  
                    data += self.sock.recv(1024).decode("utf-8")  
                      
                lines = data.split("\n")  
                headers = {}  
                is_header = True  
                body = ""  
                  
                for line in lines:  
                    if line.strip() != "" and is_header == True:  
                        key_value_header = line.strip().split(":", 1)  
                        if len(key_value_header) == 2:  
                            headers[key_value_header[0].strip()] = key_value_header[1].strip()  
                    else:  
                        is_header = False  
     
                    if is_header == False:  
                        body += line  
          
            message.set_from(headers["From"])  
            message.set_to(headers["To"])  
            message.set_subject(headers["Subject"])  
            message.set_date(headers["Date"])  
            message.set_body(body)  
            return message  
     
        def get_log(self):  
            return self.log  
     
        def send_cmd(self, cmd):  
            self.sock.sendall(bytes(cmd, "UTF-8"))  
     
        def read_line(self):  
            return self.sock.recv(1024).decode("utf-8")  
     
    class POP3Message():  
        def set_from(self, fromAddr):  
            self.fromAddr = fromAddr  
     
        def get_from(self):  
            return self.fromAddr  
     
        def set_to(self, to):  
            self.to = to  
     
        def get_to(self):  
            return self.to  
     
        def set_subject(self, subject):  
            self.subject = subject  
     
        def get_subject(self):  
            return self.subject  
     
        def set_date(self, date):  
            self.date = date  
     
        def get_date(self):  
            return self.date  
     
        def set_body(self, body):  
            self.body = body  
     
        def get_body(self):  
            return self.body  
     
     
    pop_client = POP3("pop.host.com", 110)  
    pop_client.credentials("username", "password")  
     
    print("Message count:" + pop_client.msg_count())  
     
    message = pop_client.get_message(1)  
    print("From: " + message.get_from())  
    print("To: " + message.get_to())  
    print("Subject: " + message.get_subject())  
    print("Date: " + message.get_date())  
    print("Body: " + message.get_body())  
    print(pop_client.get_log())

URL: http://www.hostprojects.net/snippets/python/147/simple-pop3-class

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