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src/transform/opencv/mask.py

Summary

Maintainability
A
2 hrs
Test Coverage

Cyclomatic complexity is too high in method __draw_ellipse. (7)
Open

    @staticmethod
    def __draw_ellipse(a_max, a_min, angle, aurmax, aurmin, details, hairmax, hairmin, nipmax, nipmin, obj,
                       titmax, titmin, vagmax, vagmin, x, y):
        # Draw ellipse
        if obj.name == "tit":
Severity: Minor
Found in src/transform/opencv/mask.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 __draw_ellipse has 16 arguments (exceeds 4 allowed). Consider refactoring.
Open

    def __draw_ellipse(a_max, a_min, angle, aurmax, aurmin, details, hairmax, hairmin, nipmax, nipmin, obj,
Severity: Major
Found in src/transform/opencv/mask.py - About 2 hrs to fix

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

        def __draw_ellipse(a_max, a_min, angle, aurmax, aurmin, details, hairmax, hairmin, nipmax, nipmin, obj,
                       titmax, titmin, vagmax, vagmin, x, y):
        # Draw ellipse
        if obj.name == "tit":
            cv2.ellipse(details, (x, y), (titmax, titmin), angle, 0, 360, (0, 205, 0), -1)  # (0,0,0,50)
    Severity: Minor
    Found in src/transform/opencv/mask.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

    Method "__draw_ellipse" has 17 parameters, which is greater than the 7 authorized.
    Open

        def __draw_ellipse(a_max, a_min, angle, aurmax, aurmin, details, hairmax, hairmin, nipmax, nipmin, obj,
                       titmax, titmin, vagmax, vagmin, x, y):
    Severity: Major
    Found in src/transform/opencv/mask.py by sonar-python

    A long parameter list can indicate that a new structure should be created to wrap the numerous parameters or that the function is doing too many things.

    Noncompliant Code Example

    With a maximum number of 4 parameters:

    def do_something(param1, param2, param3, param4, param5):
    ...

    Compliant Solution

    def do_something(param1, param2, param3, param4):
    ...

    Remove this commented out code.
    Open

            # green_mask = cv2.morphologyEx(green_mask, cv2.MORPH_OPEN, kernel)
    Severity: Major
    Found in src/transform/opencv/mask.py by sonar-python

    Programmers should not comment out code as it bloats programs and reduces readability.

    Unused code should be deleted and can be retrieved from source control history if required.

    See

    • MISRA C:2004, 2.4 - Sections of code should not be "commented out".
    • MISRA C++:2008, 2-7-2 - Sections of code shall not be "commented out" using C-style comments.
    • MISRA C++:2008, 2-7-3 - Sections of code should not be "commented out" using C++ comments.
    • MISRA C:2012, Dir. 4.4 - Sections of code should not be "commented out"

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