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Learn how to automate email sending using Python with conditions based on file attachment status. This guide provides clear code snippets and explanations.
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Automate Email Sending with Python Based on Attachment Conditions

In today's digital world, automating tasks can save you a great deal of time and effort. One common task that can benefit from automation is sending emails based on specific conditions. In this guide, we will explore how to send automated emails in Python based on whether a file attachment is empty or not.

The Problem

You may have encountered a scenario where you want to send different email content depending on the status of an attached file. The requirements are straightforward:

If the attachment is not empty, the email should be sent to one recipient with an informative message.

If the attachment is empty, a different recipient should receive an email notifying them of this condition.

Example Scenario

Non-empty Attachment: Send an email to abc@ gmail.com with the subject "PFA the latest file."

Empty Attachment: Notify xyz@ gmail.com that the "File is empty."

The Solution

To achieve this, we will use Python's built-in libraries for emailing, along with a few additional imports to validate the file size. Below is a step-by-step guide, complete with code snippets, to get you started.

Step 1: Set Up Your Environment

Make sure you have the required libraries installed. For emailing, you will need smtplib, email, and os:

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Step 2: Generate Your Report and Define File Name

Before sending an email, generate your report and save it to a file:

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Step 3: Check the File Size

Utilize Python’s os library to check if your attachment is empty:

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Step 4: Prepare the Email Content Based on Conditions

Define a dictionary to store the email parameters (receiver and content) based on file conditions:

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Step 5: Compose the Email

Set up your email using the MIMEMultipart class and attach your content:

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Step 6: Send the Email

Set up the SMTP server and send your email:

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Conclusion

By following these steps, you can automate the process of sending emails based on the condition of an attachment file. This not only saves time but also ensures that the right information reaches the right person promptly.

Feel free to modify the email content and recipient details as needed for your specific use case. Happy coding!