81ae461eb8
Allows for generation from an existing config file. Primarily used for migration purposes. Signed-off-by: kingbri <bdashore3@proton.me>
70 lines
2.2 KiB
Python
70 lines
2.2 KiB
Python
"""Argparser for overriding config values"""
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import argparse
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from pydantic import BaseModel
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from common.config_models import TabbyConfigModel
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from common.utils import is_list_type, unwrap_optional_type
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def add_field_to_group(group, field_name, field_type, field) -> None:
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"""
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Adds a Pydantic field to an argparse argument group.
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"""
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kwargs = {
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"help": field.description if field.description else "No description available",
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}
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# If the inner type contains a list, specify argparse as such
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if is_list_type(field_type):
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kwargs["nargs"] = "+"
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group.add_argument(f"--{field_name}", **kwargs)
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def init_argparser() -> argparse.ArgumentParser:
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"""
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Initializes an argparse parser based on a Pydantic config schema.
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"""
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parser = argparse.ArgumentParser(description="TabbyAPI server")
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# Loop through each top-level field in the config
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for field_name, field_info in TabbyConfigModel.model_fields.items():
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field_type = unwrap_optional_type(field_info.annotation)
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group = parser.add_argument_group(
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field_name, description=f"Arguments for {field_name}"
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)
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# Check if the field_type is a Pydantic model
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if issubclass(field_type, BaseModel):
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for sub_field_name, sub_field_info in field_type.model_fields.items():
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sub_field_name = sub_field_name.replace("_", "-")
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sub_field_type = sub_field_info.annotation
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add_field_to_group(
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group, sub_field_name, sub_field_type, sub_field_info
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)
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else:
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field_name = field_name.replace("_", "-")
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group.add_argument(f"--{field_name}", help=f"Argument for {field_name}")
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return parser
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def convert_args_to_dict(
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args: argparse.Namespace, parser: argparse.ArgumentParser
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) -> dict:
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"""Broad conversion of surface level arg groups to dictionaries"""
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arg_groups = {}
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for group in parser._action_groups:
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group_dict = {}
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for arg in group._group_actions:
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value = getattr(args, arg.dest, None)
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if value is not None:
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group_dict[arg.dest] = value
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arg_groups[group.title] = group_dict
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return arg_groups
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