InvokeAI/invokeai/app/services/config/config_base.py
2024-03-11 15:53:00 -04:00

238 lines
9.1 KiB
Python

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