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attic/key.py

Summary

Maintainability
B
6 hrs
Test Coverage

File key.py has 271 lines of code (exceeds 250 allowed). Consider refactoring.
Open

from binascii import hexlify, a2b_base64, b2a_base64
from getpass import getpass
import os
import msgpack
import textwrap
Severity: Minor
Found in attic/key.py - About 2 hrs to fix

    Function create has a Cognitive Complexity of 8 (exceeds 5 allowed). Consider refactoring.
    Open

        def create(cls, repository, args):
        key = cls()
        passphrase = os.environ.get('ATTIC_PASSPHRASE')
        if passphrase is not None:
            passphrase2 = passphrase
    Severity: Minor
    Found in attic/key.py - About 45 mins 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

    Function create has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.
    Open

        def create(cls, repository, args):
        filename = args.repository.to_key_filename()
        path = filename
        i = 1
        while os.path.exists(path):
    Severity: Minor
    Found in attic/key.py - About 25 mins 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

    Similar blocks of code found in 2 locations. Consider refactoring.
    Open

            while passphrase != passphrase2:
            passphrase = getpass('Enter passphrase (empty for no passphrase):')
            passphrase2 = getpass('Enter same passphrase again: ')
            if passphrase != passphrase2:
                print('Passphrases do not match')
    Severity: Major
    Found in attic/key.py and 1 other location - About 1 hr to fix
    attic/key.py on lines 291..295

    Duplicated Code

    Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

    Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

    When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

    Tuning

    This issue has a mass of 41.

    We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

    The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

    If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

    See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

    Refactorings

    Further Reading

    Similar blocks of code found in 2 locations. Consider refactoring.
    Open

            while passphrase != passphrase2:
            passphrase = getpass('New passphrase: ')
            passphrase2 = getpass('Enter same passphrase again: ')
            if passphrase != passphrase2:
                print('Passphrases do not match')
    Severity: Major
    Found in attic/key.py and 1 other location - About 1 hr to fix
    attic/key.py on lines 312..316

    Duplicated Code

    Duplicated code can lead to software that is hard to understand and difficult to change. The Don't Repeat Yourself (DRY) principle states:

    Every piece of knowledge must have a single, unambiguous, authoritative representation within a system.

    When you violate DRY, bugs and maintenance problems are sure to follow. Duplicated code has a tendency to both continue to replicate and also to diverge (leaving bugs as two similar implementations differ in subtle ways).

    Tuning

    This issue has a mass of 41.

    We set useful threshold defaults for the languages we support but you may want to adjust these settings based on your project guidelines.

    The threshold configuration represents the minimum mass a code block must have to be analyzed for duplication. The lower the threshold, the more fine-grained the comparison.

    If the engine is too easily reporting duplication, try raising the threshold. If you suspect that the engine isn't catching enough duplication, try lowering the threshold. The best setting tends to differ from language to language.

    See codeclimate-duplication's documentation for more information about tuning the mass threshold in your .codeclimate.yml.

    Refactorings

    Further Reading

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