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lib/input/imap/header.py

Summary

Maintainability
B
6 hrs
Test Coverage

Function get_mail_header has a Cognitive Complexity of 39 (exceeds 5 allowed). Consider refactoring.
Open

def get_mail_header(to_get, range_=True, uid_map_filename='thread_uid_map.json'):
    """
    This function fetches the emails from the IMAP server as per the parameters passed.
    
    :param to_get: List of UIDs of the mails to get. Default value is 2000.
Severity: Minor
Found in lib/input/imap/header.py - About 5 hrs to fix

Cognitive Complexity

Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

A method's cognitive complexity is based on a few simple rules:

  • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
  • Code is considered more complex for each "break in the linear flow of the code"
  • Code is considered more complex when "flow breaking structures are nested"

Further reading

Avoid deeply nested control flow statements.
Open

                        if isinstance(response_part, tuple):

                            # response_part contains the required info as a byte stream. This has to be converted to a message stream.
                            # This is done using the email module
                            original = email.message_from_bytes(response_part[1])
Severity: Major
Found in lib/input/imap/header.py - About 45 mins to fix

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