chrislit/abydos

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abydos/phonetic/_daitch_mokotoff.py

Summary

Maintainability
C
1 day
Test Coverage

File _daitch_mokotoff.py has 373 lines of code (exceeds 250 allowed). Consider refactoring.
Open

# Copyright 2014-2020 by Christopher C. Little.
# This file is part of Abydos.
#
# Abydos is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
Severity: Minor
Found in abydos/phonetic/_daitch_mokotoff.py - About 4 hrs to fix

    Cyclomatic complexity is too high in method encode. (21)
    Open

        def encode(self, word: str) -> str:
            """Return the Daitch-Mokotoff Soundex code for a word.
    
            Parameters
            ----------
    Severity: Minor
    Found in abydos/phonetic/_daitch_mokotoff.py by radon

    Cyclomatic Complexity

    Cyclomatic Complexity corresponds to the number of decisions a block of code contains plus 1. This number (also called McCabe number) is equal to the number of linearly independent paths through the code. This number can be used as a guide when testing conditional logic in blocks.

    Radon analyzes the AST tree of a Python program to compute Cyclomatic Complexity. Statements have the following effects on Cyclomatic Complexity:

    Construct Effect on CC Reasoning
    if +1 An if statement is a single decision.
    elif +1 The elif statement adds another decision.
    else +0 The else statement does not cause a new decision. The decision is at the if.
    for +1 There is a decision at the start of the loop.
    while +1 There is a decision at the while statement.
    except +1 Each except branch adds a new conditional path of execution.
    finally +0 The finally block is unconditionally executed.
    with +1 The with statement roughly corresponds to a try/except block (see PEP 343 for details).
    assert +1 The assert statement internally roughly equals a conditional statement.
    Comprehension +1 A list/set/dict comprehension of generator expression is equivalent to a for loop.
    Boolean Operator +1 Every boolean operator (and, or) adds a decision point.

    Source: http://radon.readthedocs.org/en/latest/intro.html

    Function encode has a Cognitive Complexity of 23 (exceeds 5 allowed). Consider refactoring.
    Open

        def encode(self, word: str) -> str:
            """Return the Daitch-Mokotoff Soundex code for a word.
    
            Parameters
            ----------
    Severity: Minor
    Found in abydos/phonetic/_daitch_mokotoff.py - About 3 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

    Cyclomatic complexity is too high in class DaitchMokotoff. (9)
    Open

    class DaitchMokotoff(_Phonetic):
        """Daitch-Mokotoff Soundex.
    
        Based on Daitch-Mokotoff Soundex :cite:`Mokotoff:1997`, this returns values
        of a word as a set. A collection is necessary since there can be multiple
    Severity: Minor
    Found in abydos/phonetic/_daitch_mokotoff.py by radon

    Cyclomatic Complexity

    Cyclomatic Complexity corresponds to the number of decisions a block of code contains plus 1. This number (also called McCabe number) is equal to the number of linearly independent paths through the code. This number can be used as a guide when testing conditional logic in blocks.

    Radon analyzes the AST tree of a Python program to compute Cyclomatic Complexity. Statements have the following effects on Cyclomatic Complexity:

    Construct Effect on CC Reasoning
    if +1 An if statement is a single decision.
    elif +1 The elif statement adds another decision.
    else +0 The else statement does not cause a new decision. The decision is at the if.
    for +1 There is a decision at the start of the loop.
    while +1 There is a decision at the while statement.
    except +1 Each except branch adds a new conditional path of execution.
    finally +0 The finally block is unconditionally executed.
    with +1 The with statement roughly corresponds to a try/except block (see PEP 343 for details).
    assert +1 The assert statement internally roughly equals a conditional statement.
    Comprehension +1 A list/set/dict comprehension of generator expression is equivalent to a for loop.
    Boolean Operator +1 Every boolean operator (and, or) adds a decision point.

    Source: http://radon.readthedocs.org/en/latest/intro.html

    Refactor this function to reduce its Cognitive Complexity from 23 to the 15 allowed.
    Open

        def encode(self, word: str) -> str:

    Cognitive Complexity is a measure of how hard the control flow of a function is to understand. Functions with high Cognitive Complexity will be difficult to maintain.

    See

    Line too long (105/100)
    Open

                            ]  # type: Union[int, str, Tuple[Union[int, str], Union[int, str]]]  # noqa: E501

    Used when a line is longer than a given number of characters.

    Wrong hanging indentation before block (add 4 spaces).
    Open

                            and word[pos + len(sstr)] in self._uc_v_set

    TODO and word[pos + len(sstr)] in self.ucv_set ^ |

    Wrong hanging indentation before block (add 4 spaces).
    Open

                            pos + len(sstr) < len(word)

    TODO pos + len(sstr) < len(word) ^ |

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