mirror of
https://github.com/invoke-ai/InvokeAI
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86 lines
2.5 KiB
Python
86 lines
2.5 KiB
Python
# Copyright (c) 2023 Kyle Schouviller (https://github.com/kyle0654)
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from typing import Literal
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from pydantic import BaseModel, Field
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import numpy as np
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from .baseinvocation import BaseInvocation, BaseInvocationOutput, InvocationContext, InvocationConfig
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class MathInvocationConfig(BaseModel):
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"""Helper class to provide all math invocations with additional config"""
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# Schema customisation
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class Config(InvocationConfig):
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schema_extra = {
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"ui": {
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"tags": ["math"],
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}
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}
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class IntOutput(BaseInvocationOutput):
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"""An integer output"""
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#fmt: off
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type: Literal["int_output"] = "int_output"
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a: int = Field(default=None, description="The output integer")
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#fmt: on
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class AddInvocation(BaseInvocation, MathInvocationConfig):
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"""Adds two numbers"""
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#fmt: off
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type: Literal["add"] = "add"
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a: int = Field(default=0, description="The first number")
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b: int = Field(default=0, description="The second number")
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#fmt: on
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def invoke(self, context: InvocationContext) -> IntOutput:
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return IntOutput(a=self.a + self.b)
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class SubtractInvocation(BaseInvocation, MathInvocationConfig):
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"""Subtracts two numbers"""
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#fmt: off
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type: Literal["sub"] = "sub"
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a: int = Field(default=0, description="The first number")
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b: int = Field(default=0, description="The second number")
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#fmt: on
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def invoke(self, context: InvocationContext) -> IntOutput:
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return IntOutput(a=self.a - self.b)
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class MultiplyInvocation(BaseInvocation, MathInvocationConfig):
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"""Multiplies two numbers"""
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#fmt: off
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type: Literal["mul"] = "mul"
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a: int = Field(default=0, description="The first number")
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b: int = Field(default=0, description="The second number")
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#fmt: on
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def invoke(self, context: InvocationContext) -> IntOutput:
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return IntOutput(a=self.a * self.b)
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class DivideInvocation(BaseInvocation, MathInvocationConfig):
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"""Divides two numbers"""
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#fmt: off
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type: Literal["div"] = "div"
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a: int = Field(default=0, description="The first number")
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b: int = Field(default=0, description="The second number")
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#fmt: on
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def invoke(self, context: InvocationContext) -> IntOutput:
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return IntOutput(a=int(self.a / self.b))
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class RandomIntInvocation(BaseInvocation):
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"""Outputs a single random integer."""
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#fmt: off
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type: Literal["rand_int"] = "rand_int"
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#fmt: on
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def invoke(self, context: InvocationContext) -> IntOutput:
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return IntOutput(a=np.random.randint(0, np.iinfo(np.int32).max))
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