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Email clients for grader and other services of

Project description

# Email client

This repo consist email client for [grader]( and other services and packages.

## Installing and run

You need python3.7, pytest5.0.1 and make4.1.

Installation: pip install email-client

You can see also [PyPi](

We use makefile for run and environment variables for configuration.

You can find smtp-client and imap-client. If you want, you can customize parsing email into smtp-client, you can implement custom strategy and use them. For default, we use strategy for grader.

To clean email (all emails are deleted):

ENV_FILE=./.envs/my_envfile.env CLEAN=YES make clean

## Examples

Creating IMAPClient:

from email_client import client_pkg

client = client_pkg.IMAPClient( imap_host=os.getenv(‘IMAP_HOST’), imap_port=os.getenv(‘IMAP_PORT’), login=os.getenv(‘EMAIL_LOGIN’), password=os.getenv(‘EMAIL_PASSWORD’), extract_strategy=strategy, )

You can log in:


And logout:


After some minutes you must login again. A lot of servers logout automatically by a time. Also, you can clean emails:


You can set specify folder:


Another case, you can get all emails:

emails, statuses = client.get_imails(folder=’inbox’)

For each emails, you get specify status. If take zip(emails, statuses), you got pairs. You can set EmailType, for example UNSEEN:

emails, statuses = client.get_imails(email_typeEmailsTypes.UNSEEN, folder=’inbox’)

The same way, you can make SMTP client.

## Testing

If we integration-test, we have some stages:

  • Data generation
  • Create objects
  • Testing
  • Validation
  • Clean

If we unit-test, we have some stages:

  • Create objects
  • Testing
  • Validation

In this way unit-test is partial case of integration test. We use unit-test for testing logic in context one object, function (method). For example, we have function:

def plus(a, b):
return a + b

This is unit-test. We want to test simple object. This situation is not always possible. If we want communication some systems and modules, we deal with integration tests. For example, we test connect to data base and collect data from there. This is integration-tests.

All tests lay down into folder:


If you want to run tests, you can do this (all emails are deleted):

ENV_FILE=.envs/my_envfile.env make test

Example test.env:

EMAIL_TIMEOUT_TEST=1.5 # Timeout for waiting between reading and writing of emails IMAP_PORT=993 SMTP_PORT=587 EMAIL_PASSWORD=my_password

### Emails (integration)

We have some clients for email:

  • SMTP-client sends emails
  • IMAP-client receives emails

For emails client we have not best way. We test SMTP-client over IMAP-client and IMAP-client over SMTP-client.

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