Path 1: 8 calls (0.57)

Compare (8) 

1@utils.only_required_for_messages("compare-to-zero")
2    def visit_compare(self, node: nodes.Compare) -> None:
3        # pylint: disable=duplicate-code
4        _operators = ["!=", "==", "is not", "is"]
5        # note: astroid.Compare has the left most operand in node.left
6        # while the rest are a list of tuples in node.ops
7        # the format of the tuple is ('compare operator sign', node)
8        # here we squash everything into `ops` to make it easier for processing later
9        ops: list[tuple[str, nodes.NodeNG]] = [("", node.left)]
10        ops.extend(node.ops)
11        iter_ops = iter(ops)
12        all_ops = list(itertools.chain(*iter_ops))
13
14        for ops_idx in range(len(all_ops) - 2):
15            op_1 = all_ops[ops_idx]
16            op_2 = all_ops[ops_idx + 1]
17            op_3 = all_ops[ops_idx + 2]
18            error_detected = False
19
20            # 0 ?? X
21            if _is_constant_zero(op_1) and op_2 in _operators:
22                error_detected = True
23                op = op_3
24            # X ?? 0
25            elif op_2 in _operators and _is_constant_zero(op_3):
26                error_detected = True
27                op = op_1
28
29            if error_detected:
30                original = f"{op_1.as_string()} {op_2} {op_3.as_string()}"
31                suggestion = (
32                    op.as_string()
33                    if op_2 in {"!=", "is not"}
34                    else f"not {op.as_string()}"
35                )
36                self.add_message(
37                    "compare-to-zero",
38                    args=(original, suggestion),
39                    node=node,
40                    confidence=HIGH,
41                )

Path 2: 2 calls (0.14)

Compare (2) 

1@utils.only_required_for_messages("compare-to-zero")
2    def visit_compare(self, node: nodes.Compare) -> None:
3        # pylint: disable=duplicate-code
4        _operators = ["!=", "==", "is not", "is"]
5        # note: astroid.Compare has the left most operand in node.left
6        # while the rest are a list of tuples in node.ops
7        # the format of the tuple is ('compare operator sign', node)
8        # here we squash everything into `ops` to make it easier for processing later
9        ops: list[tuple[str, nodes.NodeNG]] = [("", node.left)]
10        ops.extend(node.ops)
11        iter_ops = iter(ops)
12        all_ops = list(itertools.chain(*iter_ops))
13
14        for ops_idx in range(len(all_ops) - 2):
15            op_1 = all_ops[ops_idx]
16            op_2 = all_ops[ops_idx + 1]
17            op_3 = all_ops[ops_idx + 2]
18            error_detected = False
19
20            # 0 ?? X
21            if _is_constant_zero(op_1) and op_2 in _operators:
22                error_detected = True
23                op = op_3
24            # X ?? 0
25            elif op_2 in _operators and _is_constant_zero(op_3):
26                error_detected = True
27                op = op_1
28
29            if error_detected:
30                original = f"{op_1.as_string()} {op_2} {op_3.as_string()}"
31                suggestion = (
32                    op.as_string()
33                    if op_2 in {"!=", "is not"}
34                    else f"not {op.as_string()}"
35                )
36                self.add_message(
37                    "compare-to-zero",
38                    args=(original, suggestion),
39                    node=node,
40                    confidence=HIGH,
41                )

Path 3: 2 calls (0.14)

Compare (2) 

1@utils.only_required_for_messages("compare-to-zero")
2    def visit_compare(self, node: nodes.Compare) -> None:
3        # pylint: disable=duplicate-code
4        _operators = ["!=", "==", "is not", "is"]
5        # note: astroid.Compare has the left most operand in node.left
6        # while the rest are a list of tuples in node.ops
7        # the format of the tuple is ('compare operator sign', node)
8        # here we squash everything into `ops` to make it easier for processing later
9        ops: list[tuple[str, nodes.NodeNG]] = [("", node.left)]
10        ops.extend(node.ops)
11        iter_ops = iter(ops)
12        all_ops = list(itertools.chain(*iter_ops))
13
14        for ops_idx in range(len(all_ops) - 2):
15            op_1 = all_ops[ops_idx]
16            op_2 = all_ops[ops_idx + 1]
17            op_3 = all_ops[ops_idx + 2]
18            error_detected = False
19
20            # 0 ?? X
21            if _is_constant_zero(op_1) and op_2 in _operators:
22                error_detected = True
23                op = op_3
24            # X ?? 0
25            elif op_2 in _operators and _is_constant_zero(op_3):
26                error_detected = True
27                op = op_1
28
29            if error_detected:
30                original = f"{op_1.as_string()} {op_2} {op_3.as_string()}"
31                suggestion = (
32                    op.as_string()
33                    if op_2 in {"!=", "is not"}
34                    else f"not {op.as_string()}"
35                )
36                self.add_message(
37                    "compare-to-zero",
38                    args=(original, suggestion),
39                    node=node,
40                    confidence=HIGH,
41                )

Path 4: 1 calls (0.07)

Compare (1) 

1@utils.only_required_for_messages("compare-to-zero")
2    def visit_compare(self, node: nodes.Compare) -> None:
3        # pylint: disable=duplicate-code
4        _operators = ["!=", "==", "is not", "is"]
5        # note: astroid.Compare has the left most operand in node.left
6        # while the rest are a list of tuples in node.ops
7        # the format of the tuple is ('compare operator sign', node)
8        # here we squash everything into `ops` to make it easier for processing later
9        ops: list[tuple[str, nodes.NodeNG]] = [("", node.left)]
10        ops.extend(node.ops)
11        iter_ops = iter(ops)
12        all_ops = list(itertools.chain(*iter_ops))
13
14        for ops_idx in range(len(all_ops) - 2):
15            op_1 = all_ops[ops_idx]
16            op_2 = all_ops[ops_idx + 1]
17            op_3 = all_ops[ops_idx + 2]
18            error_detected = False
19
20            # 0 ?? X
21            if _is_constant_zero(op_1) and op_2 in _operators:
22                error_detected = True
23                op = op_3
24            # X ?? 0
25            elif op_2 in _operators and _is_constant_zero(op_3):
26                error_detected = True
27                op = op_1
28
29            if error_detected:
30                original = f"{op_1.as_string()} {op_2} {op_3.as_string()}"
31                suggestion = (
32                    op.as_string()
33                    if op_2 in {"!=", "is not"}
34                    else f"not {op.as_string()}"
35                )
36                self.add_message(
37                    "compare-to-zero",
38                    args=(original, suggestion),
39                    node=node,
40                    confidence=HIGH,
41                )

Path 5: 1 calls (0.07)

Compare (1) 

1@utils.only_required_for_messages("compare-to-zero")
2    def visit_compare(self, node: nodes.Compare) -> None:
3        # pylint: disable=duplicate-code
4        _operators = ["!=", "==", "is not", "is"]
5        # note: astroid.Compare has the left most operand in node.left
6        # while the rest are a list of tuples in node.ops
7        # the format of the tuple is ('compare operator sign', node)
8        # here we squash everything into `ops` to make it easier for processing later
9        ops: list[tuple[str, nodes.NodeNG]] = [("", node.left)]
10        ops.extend(node.ops)
11        iter_ops = iter(ops)
12        all_ops = list(itertools.chain(*iter_ops))
13
14        for ops_idx in range(len(all_ops) - 2):
15            op_1 = all_ops[ops_idx]
16            op_2 = all_ops[ops_idx + 1]
17            op_3 = all_ops[ops_idx + 2]
18            error_detected = False
19
20            # 0 ?? X
21            if _is_constant_zero(op_1) and op_2 in _operators:
22                error_detected = True
23                op = op_3
24            # X ?? 0
25            elif op_2 in _operators and _is_constant_zero(op_3):
26                error_detected = True
27                op = op_1
28
29            if error_detected:
30                original = f"{op_1.as_string()} {op_2} {op_3.as_string()}"
31                suggestion = (
32                    op.as_string()
33                    if op_2 in {"!=", "is not"}
34                    else f"not {op.as_string()}"
35                )
36                self.add_message(
37                    "compare-to-zero",
38                    args=(original, suggestion),
39                    node=node,
40                    confidence=HIGH,
41                )