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Either merge this branch with the identical one on line "1731" or change one of the implementations.
Open

                if A.is_commutative:
                    return A
                else:
                    return 0
Severity: Major
Found in galgebra/ga.py by sonar-python

Having two branches in the same if structure with the same implementation is at best duplicate code, and at worst a coding error. If the same logic is truly needed for both instances, then they should be combined.

Noncompliant Code Example

if 0 <= a < 10:
    do_the_thing()
elif 10 <= a < 20:
    do_the_other_thing()
elif 20 <= a < 50:
    do_the_thing()  # Noncompliant; duplicates first condition
else:
    do_the_rest()

b = 4 if a > 12 else 4

Compliant Solution

if (0 <= a < 10) or (20 <= a < 50):
    do_the_thing()
elif 10 <= a < 20:
    do_the_other_thing()
else:
    do_the_rest()

b = 4

or 

if 0 <= a < 10:
    do_the_thing()
elif 10 <= a < 20:
    do_the_other_thing()
elif 20 <= a < 50:
    do_the_third_thing()
else:
    do_the_rest()

b = 8 if a > 12 else 4

Either merge this branch with the identical one on line "1827" or change one of the implementations.
Open

                    s += Mul._from_args(c) * blade
Severity: Major
Found in galgebra/ga.py by sonar-python

Having two branches in the same if structure with the same implementation is at best duplicate code, and at worst a coding error. If the same logic is truly needed for both instances, then they should be combined.

Noncompliant Code Example

if 0 <= a < 10:
    do_the_thing()
elif 10 <= a < 20:
    do_the_other_thing()
elif 20 <= a < 50:
    do_the_thing()  # Noncompliant; duplicates first condition
else:
    do_the_rest()

b = 4 if a > 12 else 4

Compliant Solution

if (0 <= a < 10) or (20 <= a < 50):
    do_the_thing()
elif 10 <= a < 20:
    do_the_other_thing()
else:
    do_the_rest()

b = 4

or 

if 0 <= a < 10:
    do_the_thing()
elif 10 <= a < 20:
    do_the_other_thing()
elif 20 <= a < 50:
    do_the_third_thing()
else:
    do_the_rest()

b = 8 if a > 12 else 4

Remove this commented out code.
Open

        # print '!!!Enter Sm!!!'
Severity: Major
Found in galgebra/ga.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"

Refactor this function to reduce its Cognitive Complexity from 20 to the 15 allowed.
Open

    def _of_basis_blades_ortho(self, blade1: Symbol, blade2: Symbol):
Severity: Critical
Found in galgebra/ga.py by sonar-python

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

Refactor this function to reduce its Cognitive Complexity from 17 to the 15 allowed.
Open

    def reduce_basis(self, blst):
Severity: Critical
Found in galgebra/ga.py by sonar-python

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

Refactor this function to reduce its Cognitive Complexity from 21 to the 15 allowed.
Open

    def _latex(self, print_obj):
Severity: Critical
Found in galgebra/lt.py by sonar-python

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

Remove this commented out code.
Open

            # coef = simplify(coef)
Severity: Major
Found in galgebra/mv.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"

Remove those useless parentheses.
Open

                    self.de[x_i][jb] = Simp.apply((((self.de[x_i][jb].subs(renorm)
Severity: Major
Found in galgebra/metric.py by sonar-python

The use of parentheses, even those not required to enforce a desired order of operations, can clarify the intent behind a piece of code. But redundant pairs of parentheses could be misleading, and should be removed.

Noncompliant Code Example

return ((3))        # Noncompliant
return ((x + 1))    # Noncompliant
x = ((y / 2)) + 1   # Noncompliant

Compliant Solution

return 3
return (3)
return x + 1
return (x + 1)
x = y / 2 + 1
x = (y / 2) + 1

Either remove or fill this block of code.
Open

            pass
Severity: Major
Found in galgebra/printer.py by sonar-python

Most of the time a block of code is empty when a piece of code is really missing. So such empty block must be either filled or removed.

Noncompliant Code Example

for i in range(3):
    pass

Exceptions

When a block contains a comment, this block is not considered to be empty.

Remove this commented out code.
Open

            #base = self._print(expr.base)
Severity: Major
Found in galgebra/printer.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"

Refactor this function to reduce its Cognitive Complexity from 19 to the 15 allowed.
Open

def oprint(*args, dict_mode=False):
Severity: Critical
Found in galgebra/printer.py by sonar-python

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

Rename function "TA" to match the regular expression ^[a-z_][a-z0-9_]{2,}$.
Open

def TA(a1, a2):
Severity: Major
Found in doc/python/TensorDef.py by sonar-python

Shared coding conventions allow teams to collaborate efficiently. This rule checks that all function names match a provided regular expression.

Noncompliant Code Example

With the default provided regular expression: ^[a-z_][a-z0-9_]{2,30}$

def MyFunction(a,b):
    ...

Compliant Solution

def my_function(a,b):
    ...

Remove this commented out code.
Open

                # sgn = (-1)**{j-1}
Severity: Major
Found in galgebra/ga.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"

Refactor this function to reduce its Cognitive Complexity from 17 to the 15 allowed.
Open

    def __init__(self, f, Ga, nargs=None, fct=False):
Severity: Critical
Found in galgebra/lt.py by sonar-python

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

Refactor this function to reduce its Cognitive Complexity from 46 to the 15 allowed.
Open

    def _sympystr(self, print_obj: printer.GaPrinter) -> str:
Severity: Critical
Found in galgebra/mv.py by sonar-python

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

Remove this commented out code.
Open

            # dG[i][j][k] = S.Half * (dg[j][k][i] + dg[i][k][j] - dg[i][j][k])
Severity: Major
Found in galgebra/metric.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"

Refactor this function to reduce its Cognitive Complexity from 57 to the 15 allowed.
Open

    def __init__(
Severity: Critical
Found in galgebra/metric.py by sonar-python

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

Rename function "MatrixFunction" to match the regular expression ^[a-z_][a-z0-9_]{2,}$.
Open

def MatrixFunction(name, m, n):
Severity: Major
Found in galgebra/atoms.py by sonar-python

Shared coding conventions allow teams to collaborate efficiently. This rule checks that all function names match a provided regular expression.

Noncompliant Code Example

With the default provided regular expression: ^[a-z_][a-z0-9_]{2,30}$

def MyFunction(a,b):
    ...

Compliant Solution

def my_function(a,b):
    ...

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

def gxpdf(filename=None, paper=(14, 11), crop=False, png=False, prog=False, debug=False, pt='10pt', pdfprog='pdflatex', evince=True, rm=True, null=True, documentclass='book'):
Severity: Critical
Found in galgebra/gprinter.py by sonar-python

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

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