File size: 8,885 Bytes
3bb804c
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
# --------------------------------------------------------------------------------------
# Copyright (c) 2021-2024, Nucleic Development Team.
#
# Distributed under the terms of the Modified BSD License.
#
# The full license is in the file LICENSE, distributed with this software.
# --------------------------------------------------------------------------------------

from typing import Any, Iterable, NoReturn, Tuple, type_check_only

try:
    from typing import Literal
except ImportError:
    from typing_extensions import Literal  # type: ignore

__version__: str
__kiwi_version__: str

# Types
@type_check_only
class Strength:
    @property
    def weak(self) -> float: ...
    @property
    def medium(self) -> float: ...
    @property
    def strong(self) -> float: ...
    @property
    def required(self) -> float: ...
    def create(

        self,

        a: int | float,

        b: int | float,

        c: int | float,

        weight: int | float = 1.0,

        /,

    ) -> float: ...

# This is meant as a singleton and users should not access the Strength type.
strength: Strength

class Variable:
    """Variable to express a constraint in a solver."""

    __hash__: None  # type: ignore
    def __init__(self, name: str = "", context: Any = None, /) -> None: ...
    def name(self) -> str:
        """Get the name of the variable."""
        ...
    def setName(self, name: str, /) -> Any:
        """Set the name of the variable."""
        ...
    def value(self) -> float:
        """Get the current value of the variable."""
        ...
    def context(self) -> Any:
        """Get the context object associated with the variable."""
        ...
    def setContext(self, context: Any, /) -> Any:
        """Set the context object associated with the variable."""
        ...
    def __neg__(self) -> Term: ...
    def __add__(self, other: float | Variable | Term | Expression) -> Expression: ...
    def __radd__(self, other: float | Variable | Term | Expression) -> Expression: ...
    def __sub__(self, other: float | Variable | Term | Expression) -> Expression: ...
    def __rsub__(self, other: float | Variable | Term | Expression) -> Expression: ...
    def __mul__(self, other: float) -> Term: ...
    def __rmul__(self, other: float) -> Term: ...
    def __truediv__(self, other: float) -> Term: ...
    def __rtruediv__(self, other: float) -> Term: ...
    def __eq__(self, other: float | Variable | Term | Expression) -> Constraint: ...  # type: ignore
    def __ge__(self, other: float | Variable | Term | Expression) -> Constraint: ...
    def __le__(self, other: float | Variable | Term | Expression) -> Constraint: ...
    def __ne__(self, other: Any) -> NoReturn: ...
    def __gt__(self, other: Any) -> NoReturn: ...
    def __lt__(self, other: Any) -> NoReturn: ...

class Term:
    """Product of a variable by a constant pre-factor."""

    __hash__: None  # type: ignore
    def __init__(

        self, variable: Variable, coefficient: int | float = 1.0, /

    ) -> None: ...
    def coefficient(self) -> float:
        """Get the coefficient for the term."""
        ...
    def variable(self) -> Variable:
        """Get the variable for the term."""
        ...
    def value(self) -> float:
        """Get the value for the term."""
        ...
    def __neg__(self) -> Term: ...
    def __add__(self, other: float | Variable | Term | Expression) -> Expression: ...
    def __radd__(self, other: float | Variable | Term | Expression) -> Expression: ...
    def __sub__(self, other: float | Variable | Term | Expression) -> Expression: ...
    def __rsub__(self, other: float | Variable | Term | Expression) -> Expression: ...
    def __mul__(self, other: float) -> Term: ...
    def __rmul__(self, other: float) -> Term: ...
    def __truediv__(self, other: float) -> Term: ...
    def __rtruediv__(self, other: float) -> Term: ...
    def __eq__(self, other: float | Variable | Term | Expression) -> Constraint: ...  # type: ignore
    def __ge__(self, other: float | Variable | Term | Expression) -> Constraint: ...
    def __le__(self, other: float | Variable | Term | Expression) -> Constraint: ...
    def __ne__(self, other: Any) -> NoReturn: ...
    def __gt__(self, other: Any) -> NoReturn: ...
    def __lt__(self, other: Any) -> NoReturn: ...

class Expression:
    """Sum of terms and an additional constant."""

    __hash__: None  # type: ignore
    def __init__(

        self, terms: Iterable[Term], constant: int | float = 0.0, /

    ) -> None: ...
    def constant(self) -> float:
        """Get the constant for the expression."""
        ...
    def terms(self) -> Tuple[Term, ...]:
        """Get the tuple of terms for the expression."""
        ...
    def value(self) -> float:
        """Get the value for the expression."""
        ...
    def __neg__(self) -> Expression: ...
    def __add__(self, other: float | Variable | Term | Expression) -> Expression: ...
    def __radd__(self, other: float | Variable | Term | Expression) -> Expression: ...
    def __sub__(self, other: float | Variable | Term | Expression) -> Expression: ...
    def __rsub__(self, other: float | Variable | Term | Expression) -> Expression: ...
    def __mul__(self, other: float) -> Expression: ...
    def __rmul__(self, other: float) -> Expression: ...
    def __truediv__(self, other: float) -> Expression: ...
    def __rtruediv__(self, other: float) -> Expression: ...
    def __eq__(self, other: float | Variable | Term | Expression) -> Constraint: ...  # type: ignore
    def __ge__(self, other: float | Variable | Term | Expression) -> Constraint: ...
    def __le__(self, other: float | Variable | Term | Expression) -> Constraint: ...
    def __ne__(self, other: Any) -> NoReturn: ...
    def __gt__(self, other: Any) -> NoReturn: ...
    def __lt__(self, other: Any) -> NoReturn: ...

class Constraint:
    def __init__(

        self,

        expression: Expression,

        op: Literal["=="] | Literal["<="] | Literal[">="],

        strength: float

        | Literal["weak"]

        | Literal["medium"]

        | Literal["strong"]

        | Literal["required"] = "required",

        /,

    ) -> None: ...
    def expression(self) -> Expression:
        """Get the expression object for the constraint."""
        ...
    def op(self) -> Literal["=="] | Literal["<="] | Literal[">="]:
        """Get the relational operator for the constraint."""
        ...
    def strength(self) -> float:
        """Get the strength for the constraint."""
        ...
    def violated(self) -> bool:
        """Indicate if the constraint is violated in teh current state of the solver."""
        ...
    def __or__(

        self,

        other: float

        | Literal["weak"]

        | Literal["medium"]

        | Literal["strong"]

        | Literal["required"],

    ) -> Constraint: ...
    def __ror__(

        self,

        other: float

        | Literal["weak"]

        | Literal["medium"]

        | Literal["strong"]

        | Literal["required"],

    ) -> Constraint: ...

class Solver:
    """Kiwi solver class."""

    def __init__(self) -> None: ...
    def addConstraint(self, constraint: Constraint, /) -> None:
        """Add a constraint to the solver."""
        ...
    def removeConstraint(self, constraint: Constraint, /) -> None:
        """Remove a constraint from the solver."""
        ...
    def hasConstraint(self, constraint: Constraint, /) -> bool:
        """Check whether the solver contains a constraint."""
        ...
    def addEditVariable(

        self,

        variable: Variable,

        strength: float

        | Literal["weak"]

        | Literal["medium"]

        | Literal["strong"]

        | Literal["required"],

        /,

    ) -> None:
        """Add an edit variable to the solver."""
        ...
    def removeEditVariable(self, variable: Variable, /) -> None:
        """Remove an edit variable from the solver."""
        ...
    def hasEditVariable(self, variable: Variable, /) -> bool:
        """Check whether the solver contains an edit variable."""
        ...
    def suggestValue(self, variable: Variable, value: int | float, /) -> None:
        """Suggest a desired value for an edit variable."""
        ...
    def updateVariables(self) -> None:
        """Update the values of the solver variables."""
        ...
    def reset(self) -> None:
        """Reset the solver to the initial empty starting condition."""
        ...
    def dump(self) -> None:
        """Dump a representation of the solver internals to stdout."""
        ...
    def dumps(self) -> str:
        """Dump a representation of the solver internals to a string."""
        ...