mirror of
https://github.com/invoke-ai/InvokeAI
synced 2024-08-30 20:32:17 +00:00
219 lines
7.8 KiB
Python
219 lines
7.8 KiB
Python
# Copyright (c) 2023 Lincoln Stein (https://github.com/lstein) and the InvokeAI Development Team
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"""
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Base class for the InvokeAI configuration system.
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It defines a type of pydantic BaseSettings object that
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is able to read and write from an omegaconf-based config file,
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with overriding of settings from environment variables and/or
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the command line.
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"""
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from __future__ import annotations
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import argparse
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import os
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import sys
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from argparse import ArgumentParser
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from pathlib import Path
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from typing import ClassVar, Dict, List, Literal, Optional, Union, get_args, get_origin, get_type_hints
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from omegaconf import DictConfig, ListConfig, OmegaConf
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from pydantic_settings import BaseSettings, SettingsConfigDict
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from invokeai.app.services.config.config_common import PagingArgumentParser, int_or_float_or_str
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class InvokeAISettings(BaseSettings):
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"""
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Runtime configuration settings in which default values are
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read from an omegaconf .yaml file.
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"""
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initconf: ClassVar[Optional[DictConfig]] = None
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argparse_groups: ClassVar[Dict] = {}
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model_config = SettingsConfigDict(env_file_encoding="utf-8", arbitrary_types_allowed=True, case_sensitive=True)
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def parse_args(self, argv: Optional[list] = sys.argv[1:]):
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parser = self.get_parser()
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opt, unknown_opts = parser.parse_known_args(argv)
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if len(unknown_opts) > 0:
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print("Unknown args:", unknown_opts)
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for name in self.model_fields:
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if name not in self._excluded():
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value = getattr(opt, name)
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if isinstance(value, ListConfig):
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value = list(value)
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elif isinstance(value, DictConfig):
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value = dict(value)
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setattr(self, name, value)
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def to_yaml(self) -> str:
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"""
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Return a YAML string representing our settings. This can be used
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as the contents of `invokeai.yaml` to restore settings later.
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"""
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cls = self.__class__
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type = get_args(get_type_hints(cls)["type"])[0]
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field_dict = {type: {}}
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for name, field in self.model_fields.items():
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if name in cls._excluded_from_yaml():
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continue
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category = (
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field.json_schema_extra.get("category", "Uncategorized") if field.json_schema_extra else "Uncategorized"
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)
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value = getattr(self, name)
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if category not in field_dict[type]:
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field_dict[type][category] = {}
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# keep paths as strings to make it easier to read
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field_dict[type][category][name] = str(value) if isinstance(value, Path) else value
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conf = OmegaConf.create(field_dict)
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return OmegaConf.to_yaml(conf)
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@classmethod
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def add_parser_arguments(cls, parser):
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if "type" in get_type_hints(cls):
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settings_stanza = get_args(get_type_hints(cls)["type"])[0]
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else:
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settings_stanza = "Uncategorized"
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env_prefix = getattr(cls.model_config, "env_prefix", None)
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env_prefix = env_prefix if env_prefix is not None else settings_stanza.upper()
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initconf = (
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cls.initconf.get(settings_stanza)
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if cls.initconf and settings_stanza in cls.initconf
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else OmegaConf.create()
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)
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# create an upcase version of the environment in
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# order to achieve case-insensitive environment
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# variables (the way Windows does)
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upcase_environ = {}
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for key, value in os.environ.items():
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upcase_environ[key.upper()] = value
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fields = cls.model_fields
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cls.argparse_groups = {}
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for name, field in fields.items():
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if name not in cls._excluded():
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current_default = field.default
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category = (
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field.json_schema_extra.get("category", "Uncategorized")
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if field.json_schema_extra
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else "Uncategorized"
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)
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env_name = env_prefix + "_" + name
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if category in initconf and name in initconf.get(category):
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field.default = initconf.get(category).get(name)
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if env_name.upper() in upcase_environ:
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field.default = upcase_environ[env_name.upper()]
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cls.add_field_argument(parser, name, field)
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field.default = current_default
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@classmethod
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def cmd_name(cls, command_field: str = "type") -> str:
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hints = get_type_hints(cls)
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if command_field in hints:
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return get_args(hints[command_field])[0]
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else:
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return "Uncategorized"
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@classmethod
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def get_parser(cls) -> ArgumentParser:
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parser = PagingArgumentParser(
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prog=cls.cmd_name(),
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description=cls.__doc__,
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)
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cls.add_parser_arguments(parser)
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return parser
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@classmethod
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def _excluded(cls) -> List[str]:
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# internal fields that shouldn't be exposed as command line options
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return ["type", "initconf"]
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@classmethod
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def _excluded_from_yaml(cls) -> List[str]:
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# combination of deprecated parameters and internal ones that shouldn't be exposed as invokeai.yaml options
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return [
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"type",
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"initconf",
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"version",
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"from_file",
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"model",
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"root",
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"max_cache_size",
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"max_vram_cache_size",
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"always_use_cpu",
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"free_gpu_mem",
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"xformers_enabled",
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"tiled_decode",
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]
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@classmethod
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def add_field_argument(cls, command_parser, name: str, field, default_override=None):
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field_type = get_type_hints(cls).get(name)
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default = (
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default_override
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if default_override is not None
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else field.default
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if field.default_factory is None
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else field.default_factory()
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)
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if category := (field.json_schema_extra.get("category", None) if field.json_schema_extra else None):
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if category not in cls.argparse_groups:
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cls.argparse_groups[category] = command_parser.add_argument_group(category)
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argparse_group = cls.argparse_groups[category]
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else:
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argparse_group = command_parser
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if get_origin(field_type) == Literal:
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allowed_values = get_args(field.annotation)
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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 int_or_float_or_str
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argparse_group.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.description,
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)
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elif get_origin(field_type) == Union:
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argparse_group.add_argument(
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f"--{name}",
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dest=name,
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type=int_or_float_or_str,
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default=default,
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help=field.description,
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)
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elif get_origin(field_type) == list:
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argparse_group.add_argument(
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f"--{name}",
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dest=name,
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nargs="*",
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type=field.annotation,
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default=default,
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action=argparse.BooleanOptionalAction if field.annotation == bool else "store",
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help=field.description,
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)
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else:
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argparse_group.add_argument(
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f"--{name}",
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dest=name,
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type=field.annotation,
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default=default,
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action=argparse.BooleanOptionalAction if field.annotation == bool else "store",
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help=field.description,
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)
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