mirror of
https://github.com/invoke-ai/InvokeAI
synced 2024-08-30 20:32:17 +00:00
288 lines
9.3 KiB
Python
288 lines
9.3 KiB
Python
# Copyright (c) 2023 Kyle Schouviller (https://github.com/kyle0654)
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from abc import ABC, abstractmethod
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import argparse
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from typing import Any, Callable, Iterable, Literal, Union, get_args, get_origin, get_type_hints
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from pydantic import BaseModel, Field
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import networkx as nx
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import matplotlib.pyplot as plt
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import invokeai.backend.util.logging as log
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from ..invocations.baseinvocation import BaseInvocation
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from ..invocations.image import ImageField
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from ..services.graph import GraphExecutionState, LibraryGraph, Edge
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from ..services.invoker import Invoker
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def add_field_argument(command_parser, name: str, field, default_override = None):
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default = default_override if default_override is not None else field.default if field.default_factory is None else field.default_factory()
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if get_origin(field.type_) == Literal:
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allowed_values = get_args(field.type_)
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allowed_types = set()
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for val in allowed_values:
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allowed_types.add(type(val))
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allowed_types_list = list(allowed_types)
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field_type = allowed_types_list[0] if len(allowed_types) == 1 else Union[allowed_types_list] # type: ignore
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command_parser.add_argument(
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f"--{name}",
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dest=name,
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type=field_type,
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default=default,
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choices=allowed_values,
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help=field.field_info.description,
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)
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else:
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command_parser.add_argument(
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f"--{name}",
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dest=name,
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type=field.type_,
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default=default,
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help=field.field_info.description,
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)
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def add_parsers(
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subparsers,
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commands: list[type],
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command_field: str = "type",
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exclude_fields: list[str] = ["id", "type"],
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add_arguments: Callable[[argparse.ArgumentParser], None]|None = None
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):
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"""Adds parsers for each command to the subparsers"""
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# Create subparsers for each command
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for command in commands:
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hints = get_type_hints(command)
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cmd_name = get_args(hints[command_field])[0]
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command_parser = subparsers.add_parser(cmd_name, help=command.__doc__)
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if add_arguments is not None:
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add_arguments(command_parser)
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# Convert all fields to arguments
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fields = command.__fields__ # type: ignore
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for name, field in fields.items():
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if name in exclude_fields:
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continue
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add_field_argument(command_parser, name, field)
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def add_graph_parsers(
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subparsers,
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graphs: list[LibraryGraph],
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add_arguments: Callable[[argparse.ArgumentParser], None]|None = None
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):
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for graph in graphs:
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command_parser = subparsers.add_parser(graph.name, help=graph.description)
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if add_arguments is not None:
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add_arguments(command_parser)
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# Add arguments for inputs
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for exposed_input in graph.exposed_inputs:
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node = graph.graph.get_node(exposed_input.node_path)
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field = node.__fields__[exposed_input.field]
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default_override = getattr(node, exposed_input.field)
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add_field_argument(command_parser, exposed_input.alias, field, default_override)
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class CliContext:
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invoker: Invoker
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session: GraphExecutionState
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parser: argparse.ArgumentParser
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defaults: dict[str, Any]
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graph_nodes: dict[str, str]
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nodes_added: list[str]
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def __init__(self, invoker: Invoker, session: GraphExecutionState, parser: argparse.ArgumentParser):
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self.invoker = invoker
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self.session = session
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self.parser = parser
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self.defaults = dict()
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self.graph_nodes = dict()
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self.nodes_added = list()
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def get_session(self):
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self.session = self.invoker.services.graph_execution_manager.get(self.session.id)
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return self.session
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def reset(self):
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self.session = self.invoker.create_execution_state()
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self.graph_nodes = dict()
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self.nodes_added = list()
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# Leave defaults unchanged
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def add_node(self, node: BaseInvocation):
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self.get_session()
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self.session.graph.add_node(node)
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self.nodes_added.append(node.id)
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self.invoker.services.graph_execution_manager.set(self.session)
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def add_edge(self, edge: Edge):
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self.get_session()
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self.session.add_edge(edge)
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self.invoker.services.graph_execution_manager.set(self.session)
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class ExitCli(Exception):
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"""Exception to exit the CLI"""
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pass
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class BaseCommand(ABC, BaseModel):
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"""A CLI command"""
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# All commands must include a type name like this:
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# type: Literal['your_command_name'] = 'your_command_name'
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@classmethod
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def get_all_subclasses(cls):
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subclasses = []
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toprocess = [cls]
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while len(toprocess) > 0:
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next = toprocess.pop(0)
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next_subclasses = next.__subclasses__()
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subclasses.extend(next_subclasses)
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toprocess.extend(next_subclasses)
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return subclasses
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@classmethod
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def get_commands(cls):
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return tuple(BaseCommand.get_all_subclasses())
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@classmethod
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def get_commands_map(cls):
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# Get the type strings out of the literals and into a dictionary
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return dict(map(lambda t: (get_args(get_type_hints(t)['type'])[0], t),BaseCommand.get_all_subclasses()))
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@abstractmethod
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def run(self, context: CliContext) -> None:
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"""Run the command. Raise ExitCli to exit."""
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pass
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class ExitCommand(BaseCommand):
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"""Exits the CLI"""
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type: Literal['exit'] = 'exit'
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def run(self, context: CliContext) -> None:
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raise ExitCli()
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class HelpCommand(BaseCommand):
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"""Shows help"""
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type: Literal['help'] = 'help'
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def run(self, context: CliContext) -> None:
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context.parser.print_help()
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def get_graph_execution_history(
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graph_execution_state: GraphExecutionState,
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) -> Iterable[str]:
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"""Gets the history of fully-executed invocations for a graph execution"""
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return (
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n
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for n in reversed(graph_execution_state.executed_history)
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if n in graph_execution_state.graph.nodes
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)
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def get_invocation_command(invocation) -> str:
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fields = invocation.__fields__.items()
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type_hints = get_type_hints(type(invocation))
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command = [invocation.type]
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for name, field in fields:
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if name in ["id", "type"]:
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continue
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# TODO: add links
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# Skip image fields when serializing command
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type_hint = type_hints.get(name) or None
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if type_hint is ImageField or ImageField in get_args(type_hint):
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continue
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field_value = getattr(invocation, name)
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field_default = field.default
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if field_value != field_default:
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if type_hint is str or str in get_args(type_hint):
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command.append(f'--{name} "{field_value}"')
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else:
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command.append(f"--{name} {field_value}")
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return " ".join(command)
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class HistoryCommand(BaseCommand):
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"""Shows the invocation history"""
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type: Literal['history'] = 'history'
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# Inputs
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# fmt: off
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count: int = Field(default=5, gt=0, description="The number of history entries to show")
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# fmt: on
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def run(self, context: CliContext) -> None:
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history = list(get_graph_execution_history(context.get_session()))
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for i in range(min(self.count, len(history))):
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entry_id = history[-1 - i]
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entry = context.get_session().graph.get_node(entry_id)
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log.info(f"{entry_id}: {get_invocation_command(entry)}")
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class SetDefaultCommand(BaseCommand):
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"""Sets a default value for a field"""
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type: Literal['default'] = 'default'
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# Inputs
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# fmt: off
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field: str = Field(description="The field to set the default for")
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value: str = Field(description="The value to set the default to, or None to clear the default")
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# fmt: on
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def run(self, context: CliContext) -> None:
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if self.value is None:
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if self.field in context.defaults:
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del context.defaults[self.field]
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else:
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context.defaults[self.field] = self.value
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class DrawGraphCommand(BaseCommand):
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"""Debugs a graph"""
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type: Literal['draw_graph'] = 'draw_graph'
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def run(self, context: CliContext) -> None:
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session: GraphExecutionState = context.invoker.services.graph_execution_manager.get(context.session.id)
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nxgraph = session.graph.nx_graph_flat()
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# Draw the networkx graph
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plt.figure(figsize=(20, 20))
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pos = nx.spectral_layout(nxgraph)
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nx.draw_networkx_nodes(nxgraph, pos, node_size=1000)
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nx.draw_networkx_edges(nxgraph, pos, width=2)
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nx.draw_networkx_labels(nxgraph, pos, font_size=20, font_family="sans-serif")
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plt.axis("off")
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plt.show()
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class DrawExecutionGraphCommand(BaseCommand):
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"""Debugs an execution graph"""
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type: Literal['draw_xgraph'] = 'draw_xgraph'
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def run(self, context: CliContext) -> None:
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session: GraphExecutionState = context.invoker.services.graph_execution_manager.get(context.session.id)
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nxgraph = session.execution_graph.nx_graph_flat()
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# Draw the networkx graph
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plt.figure(figsize=(20, 20))
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pos = nx.spectral_layout(nxgraph)
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nx.draw_networkx_nodes(nxgraph, pos, node_size=1000)
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nx.draw_networkx_edges(nxgraph, pos, width=2)
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nx.draw_networkx_labels(nxgraph, pos, font_size=20, font_family="sans-serif")
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plt.axis("off")
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plt.show()
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