How to implement email receiving and processing functions through Webman framework?

How to implement email receiving and processing functions through the Webman framework?

Webman is an open source web framework based on Python that provides many features and tools to simplify development. One of the common requirements is to implement email receiving and processing functions. This article will introduce how to use the Webman framework to implement this function.

First, we need to install the Webman framework. It can be installed through the pip command:

pip install webman

After the installation is completed, we can start writing code.

First, import the required modules:

from webman import Server, Request
import smtplib
import email
from email.mime.text import MIMEText

Then, we can define a class called EmailServer to handle the functionality of receiving and processing emails:

class EmailServer(Server):
    def handle_request(self, request: Request):
        # 读取邮件内容
        content = request.body.decode('utf-8')
        
        # 解析邮件
        msg = email.message_from_string(content)
        
        # 提取发件人和收件人的信息
        sender = msg['From']
        recipient = msg['To']
        
        # 提取邮件主题和内容
        subject = msg['Subject']
        text = ''
        if msg.is_multipart():
            for part in msg.walk():
                if part.get_content_type() == 'text/plain':
                    text = part.get_payload()
        else:
            text = msg.get_payload()
        
        # 处理邮件
        # ...

        # 返回响应
        response = 'Email received and processed successfully'
        return response.encode('utf-8')

In the handle_request method, we first read and parse the email content. We can then extract the sender, recipients, subject, and content of the email. Next, we can process the email according to actual needs. In the example, we omit the specific processing process.

Finally, we return a response indicating that the email has been successfully received and processed.

Next, we can create an EmailServer object and start the Web server:

if __name__ == '__main__':
    server = EmailServer()
    server.run()

The above code will listen to the local port 8000 by default and receive POST requests. When an email is received, the handle_request method is called to process the email and return a response.

Now, we can simulate sending emails by sending a POST request to http://localhost:8000, and realize the reception and processing of emails.

The Webman framework provides many other features and tools that can help us quickly develop Web applications. In addition to email receiving and processing functions, routing, template engines, database connections and other functions can also be implemented. I hope that the introduction of this article can help readers better understand and use the Webman framework.

This article provides a simple example to demonstrate how to implement email receiving and processing functions through the Webman framework. Readers can modify and expand it according to actual needs. I hope readers can successfully implement the required functions through the guidance of this article.

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