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cimod/model/binary_quadratic_model.py

Summary

Maintainability
D
2 days
Test Coverage
B
83%

Function make_BinaryQuadraticModel has a Cognitive Complexity of 47 (exceeds 5 allowed). Consider refactoring.
Open

def make_BinaryQuadraticModel(linear, quadratic, sparse):
    """BinaryQuadraticModel factory.
       Generate BinaryQuadraticModel class with the base class specified by the arguments linear and quadratic
    Args:
        linear (dict): linear bias
Severity: Minor
Found in cimod/model/binary_quadratic_model.py - About 7 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

Function get_cxxcimod_class has a Cognitive Complexity of 28 (exceeds 5 allowed). Consider refactoring.
Open

def get_cxxcimod_class(linear, quadratic, sparse):
    # select base class
    index = set()
    base = None
Severity: Minor
Found in cimod/model/binary_quadratic_model.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"

Further reading

Cyclomatic complexity is too high in function get_cxxcimod_class. (18)
Open

def get_cxxcimod_class(linear, quadratic, sparse):
    # select base class
    index = set()
    base = None
Severity: Minor
Found in cimod/model/binary_quadratic_model.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

File binary_quadratic_model.py has 319 lines of code (exceeds 250 allowed). Consider refactoring.
Open

# Copyright 2022 Jij Inc.

# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
Severity: Minor
Found in cimod/model/binary_quadratic_model.py - About 3 hrs to fix

    Cyclomatic complexity is too high in function extract_offset_and_vartype. (13)
    Open

    def extract_offset_and_vartype(*args, **kwargs):
    if kwargs == {}:
        if len(args) == 0:
            raise TypeError(
                f"Offset or vartype is configured incorrectly. Vartype must be set."
    Severity: Minor
    Found in cimod/model/binary_quadratic_model.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 extract_offset_and_vartype has a Cognitive Complexity of 21 (exceeds 5 allowed). Consider refactoring.
    Open

    def extract_offset_and_vartype(*args, **kwargs):
    if kwargs == {}:
        if len(args) == 0:
            raise TypeError(
                f"Offset or vartype is configured incorrectly. Vartype must be set."
    Severity: Minor
    Found in cimod/model/binary_quadratic_model.py - About 2 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

    Function from_numpy_matrix has 6 arguments (exceeds 4 allowed). Consider refactoring.
    Open

            def from_numpy_matrix(
    Severity: Minor
    Found in cimod/model/binary_quadratic_model.py - About 45 mins to fix

      Function bqm_from_numpy_matrix has 5 arguments (exceeds 4 allowed). Consider refactoring.
      Open

      def bqm_from_numpy_matrix(
      Severity: Minor
      Found in cimod/model/binary_quadratic_model.py - About 35 mins to fix

        Line too long (113 > 79 characters)
        Open

                sparse (bool): if true, the inner data will be a sparse matrix, otherwise the data will be a dense matrix
        Severity: Minor
        Found in cimod/model/binary_quadratic_model.py by pep8

        Limit all lines to a maximum of 79 characters.

        There are still many devices around that are limited to 80 character
lines; plus, limiting windows to 80 characters makes it possible to
have several windows side-by-side.  The default wrapping on such
devices looks ugly.  Therefore, please limit all lines to a maximum
of 79 characters. For flowing long blocks of text (docstrings or
comments), limiting the length to 72 characters is recommended.

Reports error E501.

        Line too long (83 > 79 characters)
        Open

                        sample = {self.variables[k]: elem for k, elem in enumerate(sample)}
        Severity: Minor
        Found in cimod/model/binary_quadratic_model.py by pep8

        Limit all lines to a maximum of 79 characters.

        There are still many devices around that are limited to 80 character
lines; plus, limiting windows to 80 characters makes it possible to
have several windows side-by-side.  The default wrapping on such
devices looks ugly.  Therefore, please limit all lines to a maximum
of 79 characters. For flowing long blocks of text (docstrings or
comments), limiting the length to 72 characters is recommended.

Reports error E501.

        Line too long (89 > 79 characters)
        Open

                    # if linear and quadratic are given. generate matrix and initialize as matrix
        Severity: Minor
        Found in cimod/model/binary_quadratic_model.py by pep8

        Limit all lines to a maximum of 79 characters.

        There are still many devices around that are limited to 80 character
lines; plus, limiting windows to 80 characters makes it possible to
have several windows side-by-side.  The default wrapping on such
devices looks ugly.  Therefore, please limit all lines to a maximum
of 79 characters. For flowing long blocks of text (docstrings or
comments), limiting the length to 72 characters is recommended.

Reports error E501.

        Line too long (141 > 79 characters)
        Open

                def _generate_mat(linear: dict, quadratic: dict, include_quaddiag: bool, sparse: bool) -> Tuple[Union[np.ndarray, csr_matrix], dict]:
        Severity: Minor
        Found in cimod/model/binary_quadratic_model.py by pep8

        Limit all lines to a maximum of 79 characters.

        There are still many devices around that are limited to 80 character
lines; plus, limiting windows to 80 characters makes it possible to
have several windows side-by-side.  The default wrapping on such
devices looks ugly.  Therefore, please limit all lines to a maximum
of 79 characters. For flowing long blocks of text (docstrings or
comments), limiting the length to 72 characters is recommended.

Reports error E501.

        Line too long (84 > 79 characters)
        Open

                        # first defines dict and use `_update` function to make `dok_matrix`
        Severity: Minor
        Found in cimod/model/binary_quadratic_model.py by pep8

        Limit all lines to a maximum of 79 characters.

        There are still many devices around that are limited to 80 character
lines; plus, limiting windows to 80 characters makes it possible to
have several windows side-by-side.  The default wrapping on such
devices looks ugly.  Therefore, please limit all lines to a maximum
of 79 characters. For flowing long blocks of text (docstrings or
comments), limiting the length to 72 characters is recommended.

Reports error E501.

        Line too long (97 > 79 characters)
        Open

                    num_variables (int): represents constant energy term when convert to SPIN from BINARY
        Severity: Minor
        Found in cimod/model/binary_quadratic_model.py by pep8

        Limit all lines to a maximum of 79 characters.

        There are still many devices around that are limited to 80 character
lines; plus, limiting windows to 80 characters makes it possible to
have several windows side-by-side.  The default wrapping on such
devices looks ugly.  Therefore, please limit all lines to a maximum
of 79 characters. For flowing long blocks of text (docstrings or
comments), limiting the length to 72 characters is recommended.

Reports error E501.

        Line too long (81 > 79 characters)
        Open

                        offset, vartype = extract_offset_and_vartype(*args[2:], **kwargs)
        Severity: Minor
        Found in cimod/model/binary_quadratic_model.py by pep8

        Limit all lines to a maximum of 79 characters.

        There are still many devices around that are limited to 80 character
lines; plus, limiting windows to 80 characters makes it possible to
have several windows side-by-side.  The default wrapping on such
devices looks ugly.  Therefore, please limit all lines to a maximum
of 79 characters. For flowing long blocks of text (docstrings or
comments), limiting the length to 72 characters is recommended.

Reports error E501.

        Too many blank lines (2)
        Open

                @property
        Severity: Minor
        Found in cimod/model/binary_quadratic_model.py by pep8

        Separate top-level function and class definitions with two blank lines.

        Method definitions inside a class are separated by a single blank
line.

Extra blank lines may be used (sparingly) to separate groups of
related functions.  Blank lines may be omitted between a bunch of
related one-liners (e.g. a set of dummy implementations).

Use blank lines in functions, sparingly, to indicate logical
sections.

Okay: def a():\n    pass\n\n\ndef b():\n    pass
Okay: def a():\n    pass\n\n\nasync def b():\n    pass
Okay: def a():\n    pass\n\n\n# Foo\n# Bar\n\ndef b():\n    pass
Okay: default = 1\nfoo = 1
Okay: classify = 1\nfoo = 1

E301: class Foo:\n    b = 0\n    def bar():\n        pass
E302: def a():\n    pass\n\ndef b(n):\n    pass
E302: def a():\n    pass\n\nasync def b(n):\n    pass
E303: def a():\n    pass\n\n\n\ndef b(n):\n    pass
E303: def a():\n\n\n\n    pass
E304: @decorator\n\ndef a():\n    pass
E305: def a():\n    pass\na()
E306: def a():\n    def b():\n        pass\n    def c():\n        pass

        Line too long (83 > 79 characters)
        Open

                    mat, idx_to_label = cls._generate_mat(linear, quadratic, False, sparse)
        Severity: Minor
        Found in cimod/model/binary_quadratic_model.py by pep8

        Limit all lines to a maximum of 79 characters.

        There are still many devices around that are limited to 80 character
lines; plus, limiting windows to 80 characters makes it possible to
have several windows side-by-side.  The default wrapping on such
devices looks ugly.  Therefore, please limit all lines to a maximum
of 79 characters. For flowing long blocks of text (docstrings or
comments), limiting the length to 72 characters is recommended.

Reports error E501.

        Line too long (85 > 79 characters)
        Open

            lambda obj, **kwargs: make_BinaryQuadraticModel_from_JSON(obj).from_serializable(
        Severity: Minor
        Found in cimod/model/binary_quadratic_model.py by pep8

        Limit all lines to a maximum of 79 characters.

        There are still many devices around that are limited to 80 character
lines; plus, limiting windows to 80 characters makes it possible to
have several windows side-by-side.  The default wrapping on such
devices looks ugly.  Therefore, please limit all lines to a maximum
of 79 characters. For flowing long blocks of text (docstrings or
comments), limiting the length to 72 characters is recommended.

Reports error E501.

        Line too long (88 > 79 characters)
        Open

                            f"Offset or vartype is configured incorrectly. Vartype must be set."
        Severity: Minor
        Found in cimod/model/binary_quadratic_model.py by pep8

        Limit all lines to a maximum of 79 characters.

        There are still many devices around that are limited to 80 character
lines; plus, limiting windows to 80 characters makes it possible to
have several windows side-by-side.  The default wrapping on such
devices looks ugly.  Therefore, please limit all lines to a maximum
of 79 characters. For flowing long blocks of text (docstrings or
comments), limiting the length to 72 characters is recommended.

Reports error E501.

        Line too long (90 > 79 characters)
        Open

                            super().__init__(mat, idx_to_label, offset, vartype, fix_format=False)
        Severity: Minor
        Found in cimod/model/binary_quadratic_model.py by pep8

        Limit all lines to a maximum of 79 characters.

        There are still many devices around that are limited to 80 character
lines; plus, limiting windows to 80 characters makes it possible to
have several windows side-by-side.  The default wrapping on such
devices looks ugly.  Therefore, please limit all lines to a maximum
of 79 characters. For flowing long blocks of text (docstrings or
comments), limiting the length to 72 characters is recommended.

Reports error E501.

        Expected 2 blank lines, found 1
        Open

        def bqm_from_qubo(Q, offset=0.0, **kwargs):
        Severity: Minor
        Found in cimod/model/binary_quadratic_model.py by pep8

        Separate top-level function and class definitions with two blank lines.

        Method definitions inside a class are separated by a single blank
line.

Extra blank lines may be used (sparingly) to separate groups of
related functions.  Blank lines may be omitted between a bunch of
related one-liners (e.g. a set of dummy implementations).

Use blank lines in functions, sparingly, to indicate logical
sections.

Okay: def a():\n    pass\n\n\ndef b():\n    pass
Okay: def a():\n    pass\n\n\nasync def b():\n    pass
Okay: def a():\n    pass\n\n\n# Foo\n# Bar\n\ndef b():\n    pass
Okay: default = 1\nfoo = 1
Okay: classify = 1\nfoo = 1

E301: class Foo:\n    b = 0\n    def bar():\n        pass
E302: def a():\n    pass\n\ndef b(n):\n    pass
E302: def a():\n    pass\n\nasync def b(n):\n    pass
E303: def a():\n    pass\n\n\n\ndef b(n):\n    pass
E303: def a():\n\n\n\n    pass
E304: @decorator\n\ndef a():\n    pass
E305: def a():\n    pass\na()
E306: def a():\n    def b():\n        pass\n    def c():\n        pass

        Line too long (94 > 79 characters)
        Open

                    variables (list): represents constant energy term when convert to SPIN from BINARY
        Severity: Minor
        Found in cimod/model/binary_quadratic_model.py by pep8

        Limit all lines to a maximum of 79 characters.

        There are still many devices around that are limited to 80 character
lines; plus, limiting windows to 80 characters makes it possible to
have several windows side-by-side.  The default wrapping on such
devices looks ugly.  Therefore, please limit all lines to a maximum
of 79 characters. For flowing long blocks of text (docstrings or
comments), limiting the length to 72 characters is recommended.

Reports error E501.

        Line too long (95 > 79 characters)
        Open

                        if not isinstance(elem, (np.ndarray, csr_matrix)) and vartypes.count(elem) != 0
        Severity: Minor
        Found in cimod/model/binary_quadratic_model.py by pep8

        Limit all lines to a maximum of 79 characters.

        There are still many devices around that are limited to 80 character
lines; plus, limiting windows to 80 characters makes it possible to
have several windows side-by-side.  The default wrapping on such
devices looks ugly.  Therefore, please limit all lines to a maximum
of 79 characters. For flowing long blocks of text (docstrings or
comments), limiting the length to 72 characters is recommended.

Reports error E501.

        Comparison to false should be 'if cond is false:' or 'if not cond:'
        Open

                        if (i == j) and (include_quaddiag == False):
        Severity: Minor
        Found in cimod/model/binary_quadratic_model.py by pep8

        Comparison to singletons should use "is" or "is not".

        Comparisons to singletons like None should always be done
with "is" or "is not", never the equality operators.

Okay: if arg is not None:
E711: if arg != None:
E711: if None == arg:
E712: if arg == True:
E712: if False == arg:

Also, beware of writing if x when you really mean if x is not None
-- e.g. when testing whether a variable or argument that defaults to
None was set to some other value.  The other value might have a type
(such as a container) that could be false in a boolean context!

        Line too long (110 > 79 characters)
        Open

               Generate BinaryQuadraticModel class with the base class specified by the arguments linear and quadratic
        Severity: Minor
        Found in cimod/model/binary_quadratic_model.py by pep8

        Limit all lines to a maximum of 79 characters.

        There are still many devices around that are limited to 80 character
lines; plus, limiting windows to 80 characters makes it possible to
have several windows side-by-side.  The default wrapping on such
devices looks ugly.  Therefore, please limit all lines to a maximum
of 79 characters. For flowing long blocks of text (docstrings or
comments), limiting the length to 72 characters is recommended.

Reports error E501.

        Line too long (83 > 79 characters)
        Open

                            {self.variables[k]: elem for k, elem in enumerate(inner_array)}
        Severity: Minor
        Found in cimod/model/binary_quadratic_model.py by pep8

        Limit all lines to a maximum of 79 characters.

        There are still many devices around that are limited to 80 character
lines; plus, limiting windows to 80 characters makes it possible to
have several windows side-by-side.  The default wrapping on such
devices looks ugly.  Therefore, please limit all lines to a maximum
of 79 characters. For flowing long blocks of text (docstrings or
comments), limiting the length to 72 characters is recommended.

Reports error E501.

        Line too long (88 > 79 characters)
        Open

                            f"Offset or vartype is configured incorrectly. Vartype must be set."
        Severity: Minor
        Found in cimod/model/binary_quadratic_model.py by pep8

        Limit all lines to a maximum of 79 characters.

        There are still many devices around that are limited to 80 character
lines; plus, limiting windows to 80 characters makes it possible to
have several windows side-by-side.  The default wrapping on such
devices looks ugly.  Therefore, please limit all lines to a maximum
of 79 characters. For flowing long blocks of text (docstrings or
comments), limiting the length to 72 characters is recommended.

Reports error E501.

        Line too long (92 > 79 characters)
        Open

                    offset (float): represents constant energy term when convert to SPIN from BINARY
        Severity: Minor
        Found in cimod/model/binary_quadratic_model.py by pep8

        Limit all lines to a maximum of 79 characters.

        There are still many devices around that are limited to 80 character
lines; plus, limiting windows to 80 characters makes it possible to
have several windows side-by-side.  The default wrapping on such
devices looks ugly.  Therefore, please limit all lines to a maximum
of 79 characters. For flowing long blocks of text (docstrings or
comments), limiting the length to 72 characters is recommended.

Reports error E501.

        Line too long (88 > 79 characters)
        Open

                        mat, idx_to_label = self._generate_mat(linear, quadratic, False, sparse)
        Severity: Minor
        Found in cimod/model/binary_quadratic_model.py by pep8

        Limit all lines to a maximum of 79 characters.

        There are still many devices around that are limited to 80 character
lines; plus, limiting windows to 80 characters makes it possible to
have several windows side-by-side.  The default wrapping on such
devices looks ugly.  Therefore, please limit all lines to a maximum
of 79 characters. For flowing long blocks of text (docstrings or
comments), limiting the length to 72 characters is recommended.

Reports error E501.

        Line too long (128 > 79 characters)
        Open

                    return f"BinaryQuadraticModel({self.linear}, {self.quadratic}, {self.offset}, {self.vartype}, sparse={self.sparse})"
        Severity: Minor
        Found in cimod/model/binary_quadratic_model.py by pep8

        Limit all lines to a maximum of 79 characters.

        There are still many devices around that are limited to 80 character
lines; plus, limiting windows to 80 characters makes it possible to
have several windows side-by-side.  The default wrapping on such
devices looks ugly.  Therefore, please limit all lines to a maximum
of 79 characters. For flowing long blocks of text (docstrings or
comments), limiting the length to 72 characters is recommended.

Reports error E501.

        Line too long (128 > 79 characters)
        Open

                    return f"BinaryQuadraticModel({self.linear}, {self.quadratic}, {self.offset}, {self.vartype}, sparse={self.sparse})"
        Severity: Minor
        Found in cimod/model/binary_quadratic_model.py by pep8

        Limit all lines to a maximum of 79 characters.

        There are still many devices around that are limited to 80 character
lines; plus, limiting windows to 80 characters makes it possible to
have several windows side-by-side.  The default wrapping on such
devices looks ugly.  Therefore, please limit all lines to a maximum
of 79 characters. For flowing long blocks of text (docstrings or
comments), limiting the length to 72 characters is recommended.

Reports error E501.

        Expected 2 blank lines after class or function definition, found 1
        Open

        BinaryQuadraticModel.from_qubo = bqm_from_qubo
        Severity: Minor
        Found in cimod/model/binary_quadratic_model.py by pep8

        Separate top-level function and class definitions with two blank lines.

        Method definitions inside a class are separated by a single blank
line.

Extra blank lines may be used (sparingly) to separate groups of
related functions.  Blank lines may be omitted between a bunch of
related one-liners (e.g. a set of dummy implementations).

Use blank lines in functions, sparingly, to indicate logical
sections.

Okay: def a():\n    pass\n\n\ndef b():\n    pass
Okay: def a():\n    pass\n\n\nasync def b():\n    pass
Okay: def a():\n    pass\n\n\n# Foo\n# Bar\n\ndef b():\n    pass
Okay: default = 1\nfoo = 1
Okay: classify = 1\nfoo = 1

E301: class Foo:\n    b = 0\n    def bar():\n        pass
E302: def a():\n    pass\n\ndef b(n):\n    pass
E302: def a():\n    pass\n\nasync def b(n):\n    pass
E303: def a():\n    pass\n\n\n\ndef b(n):\n    pass
E303: def a():\n\n\n\n    pass
E304: @decorator\n\ndef a():\n    pass
E305: def a():\n    pass\na()
E306: def a():\n    def b():\n        pass\n    def c():\n        pass

        Line too long (84 > 79 characters)
        Open

                        f"Offset or vartype is configured incorrectly. Vartype must be set."
        Severity: Minor
        Found in cimod/model/binary_quadratic_model.py by pep8

        Limit all lines to a maximum of 79 characters.

        There are still many devices around that are limited to 80 character
lines; plus, limiting windows to 80 characters makes it possible to
have several windows side-by-side.  The default wrapping on such
devices looks ugly.  Therefore, please limit all lines to a maximum
of 79 characters. For flowing long blocks of text (docstrings or
comments), limiting the length to 72 characters is recommended.

Reports error E501.

        Line too long (141 > 79 characters)
        Open

                   The dictionaries between indices and integers are self.ind_to_num (indices -> integers) and self.num_to_ind (integers -> indices).
        Severity: Minor
        Found in cimod/model/binary_quadratic_model.py by pep8

        Limit all lines to a maximum of 79 characters.

        There are still many devices around that are limited to 80 character
lines; plus, limiting windows to 80 characters makes it possible to
have several windows side-by-side.  The default wrapping on such
devices looks ugly.  Therefore, please limit all lines to a maximum
of 79 characters. For flowing long blocks of text (docstrings or
comments), limiting the length to 72 characters is recommended.

Reports error E501.

        Line too long (89 > 79 characters)
        Open

                        if not isinstance(v, (np.ndarray, csr_matrix)) and vartypes.count(v) != 0
        Severity: Minor
        Found in cimod/model/binary_quadratic_model.py by pep8

        Limit all lines to a maximum of 79 characters.

        There are still many devices around that are limited to 80 character
lines; plus, limiting windows to 80 characters makes it possible to
have several windows side-by-side.  The default wrapping on such
devices looks ugly.  Therefore, please limit all lines to a maximum
of 79 characters. For flowing long blocks of text (docstrings or
comments), limiting the length to 72 characters is recommended.

Reports error E501.

        Too many blank lines (2)
        Open

                    # generate matrix (dense or sparse)
        Severity: Minor
        Found in cimod/model/binary_quadratic_model.py by pep8

        Separate top-level function and class definitions with two blank lines.

        Method definitions inside a class are separated by a single blank
line.

Extra blank lines may be used (sparingly) to separate groups of
related functions.  Blank lines may be omitted between a bunch of
related one-liners (e.g. a set of dummy implementations).

Use blank lines in functions, sparingly, to indicate logical
sections.

Okay: def a():\n    pass\n\n\ndef b():\n    pass
Okay: def a():\n    pass\n\n\nasync def b():\n    pass
Okay: def a():\n    pass\n\n\n# Foo\n# Bar\n\ndef b():\n    pass
Okay: default = 1\nfoo = 1
Okay: classify = 1\nfoo = 1

E301: class Foo:\n    b = 0\n    def bar():\n        pass
E302: def a():\n    pass\n\ndef b(n):\n    pass
E302: def a():\n    pass\n\nasync def b(n):\n    pass
E303: def a():\n    pass\n\n\n\ndef b(n):\n    pass
E303: def a():\n\n\n\n    pass
E304: @decorator\n\ndef a():\n    pass
E305: def a():\n    pass\na()
E306: def a():\n    def b():\n        pass\n    def c():\n        pass

        Line too long (84 > 79 characters)
        Open

                        f"Offset or vartype is configured incorrectly. Vartype must be set."
        Severity: Minor
        Found in cimod/model/binary_quadratic_model.py by pep8

        Limit all lines to a maximum of 79 characters.

        There are still many devices around that are limited to 80 character
lines; plus, limiting windows to 80 characters makes it possible to
have several windows side-by-side.  The default wrapping on such
devices looks ugly.  Therefore, please limit all lines to a maximum
of 79 characters. For flowing long blocks of text (docstrings or
comments), limiting the length to 72 characters is recommended.

Reports error E501.

        Expected 2 blank lines after class or function definition, found 1
        Open

        BinaryQuadraticModel.from_ising = bqm_from_ising
        Severity: Minor
        Found in cimod/model/binary_quadratic_model.py by pep8

        Separate top-level function and class definitions with two blank lines.

        Method definitions inside a class are separated by a single blank
line.

Extra blank lines may be used (sparingly) to separate groups of
related functions.  Blank lines may be omitted between a bunch of
related one-liners (e.g. a set of dummy implementations).

Use blank lines in functions, sparingly, to indicate logical
sections.

Okay: def a():\n    pass\n\n\ndef b():\n    pass
Okay: def a():\n    pass\n\n\nasync def b():\n    pass
Okay: def a():\n    pass\n\n\n# Foo\n# Bar\n\ndef b():\n    pass
Okay: default = 1\nfoo = 1
Okay: classify = 1\nfoo = 1

E301: class Foo:\n    b = 0\n    def bar():\n        pass
E302: def a():\n    pass\n\ndef b(n):\n    pass
E302: def a():\n    pass\n\nasync def b(n):\n    pass
E303: def a():\n    pass\n\n\n\ndef b(n):\n    pass
E303: def a():\n\n\n\n    pass
E304: @decorator\n\ndef a():\n    pass
E305: def a():\n    pass\na()
E306: def a():\n    def b():\n        pass\n    def c():\n        pass

        Line too long (84 > 79 characters)
        Open

                        f"Offset or vartype is configured incorrectly. Vartype must be set."
        Severity: Minor
        Found in cimod/model/binary_quadratic_model.py by pep8

        Limit all lines to a maximum of 79 characters.

        There are still many devices around that are limited to 80 character
lines; plus, limiting windows to 80 characters makes it possible to
have several windows side-by-side.  The default wrapping on such
devices looks ugly.  Therefore, please limit all lines to a maximum
of 79 characters. For flowing long blocks of text (docstrings or
comments), limiting the length to 72 characters is recommended.

Reports error E501.

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