feat(nodes): create invocation_api.py

This is the public API for invocations.

Everything a custom node might need should be re-exported from this file.

invokeai/invocation_api/__init__.py

@@ -0,0 +1,109 @@
+"""
+This file re-exports all the public API for invocations. This is the only file that should be imported by custom nodes.
+
+TODO(psyche): Do we want to dogfood this?
+"""
+
+from invokeai.app.invocations.baseinvocation import (
+    BaseInvocation,
+    BaseInvocationOutput,
+    invocation,
+    invocation_output,
+)
+from invokeai.app.invocations.fields import (
+    BoardField,
+    ColorField,
+    ConditioningField,
+    DenoiseMaskField,
+    FieldDescriptions,
+    FieldKind,
+    ImageField,
+    Input,
+    InputField,
+    LatentsField,
+    MetadataField,
+    OutputField,
+    UIComponent,
+    UIType,
+    WithMetadata,
+    WithWorkflow,
+)
+from invokeai.app.invocations.primitives import (
+    BooleanCollectionOutput,
+    BooleanOutput,
+    ColorCollectionOutput,
+    ColorOutput,
+    ConditioningCollectionOutput,
+    ConditioningOutput,
+    DenoiseMaskOutput,
+    FloatCollectionOutput,
+    FloatOutput,
+    ImageCollectionOutput,
+    ImageOutput,
+    IntegerCollectionOutput,
+    IntegerOutput,
+    LatentsCollectionOutput,
+    LatentsOutput,
+    StringCollectionOutput,
+    StringOutput,
+)
+from invokeai.app.services.image_records.image_records_common import ImageCategory
+from invokeai.app.services.shared.invocation_context import InvocationContext
+from invokeai.backend.stable_diffusion.diffusion.conditioning_data import (
+    BasicConditioningInfo,
+    ConditioningFieldData,
+    ExtraConditioningInfo,
+    SDXLConditioningInfo,
+)
+
+__all__ = [
+    # invokeai.app.invocations.baseinvocation
+    "BaseInvocation",
+    "BaseInvocationOutput",
+    "invocation",
+    "invocation_output",
+    # invokeai.app.services.shared.invocation_context
+    "InvocationContext",
+    # invokeai.app.invocations.fields
+    "BoardField",
+    "ColorField",
+    "ConditioningField",
+    "DenoiseMaskField",
+    "FieldDescriptions",
+    "FieldKind",
+    "ImageField",
+    "Input",
+    "InputField",
+    "LatentsField",
+    "MetadataField",
+    "OutputField",
+    "UIComponent",
+    "UIType",
+    "WithMetadata",
+    "WithWorkflow",
+    # invokeai.app.invocations.primitives
+    "BooleanCollectionOutput",
+    "BooleanOutput",
+    "ColorCollectionOutput",
+    "ColorOutput",
+    "ConditioningCollectionOutput",
+    "ConditioningOutput",
+    "DenoiseMaskOutput",
+    "FloatCollectionOutput",
+    "FloatOutput",
+    "ImageCollectionOutput",
+    "ImageOutput",
+    "IntegerCollectionOutput",
+    "IntegerOutput",
+    "LatentsCollectionOutput",
+    "LatentsOutput",
+    "StringCollectionOutput",
+    "StringOutput",
+    # invokeai.app.services.image_records.image_records_common
+    "ImageCategory",
+    # invokeai.backend.stable_diffusion.diffusion.conditioning_data
+    "BasicConditioningInfo",
+    "ConditioningFieldData",
+    "ExtraConditioningInfo",
+    "SDXLConditioningInfo",
+]