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DeveloperCAP/MLCAT

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lib/input/mbox/mbox_hdr.py

Summary

Maintainability
B
4 hrs
Test Coverage

Function extract_mail_header has a Cognitive Complexity of 33 (exceeds 5 allowed). Consider refactoring.
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def extract_mail_header(mbox_filename, json_filename='headers.json', thread_uid_filename='thread_uid_map.json', author_uid_filename='author_uid_map.json'):
    """
    From the .MBOX file, this function extracts the header information is extracted using two predefined classes
    available in the Python Standard Library: Mailbox and Message, for accessing and manipulating on-disk mailboxes
    and the messages they contain respectively. The headers are then saved to a JSON file. an unique Message-ID is
Severity: Minor
Found in lib/input/mbox/mbox_hdr.py - About 4 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"

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