tabbyAPI-ollama/common/args.py
kingbri 3c8384ee71 Start: Fix startup with new argparser
Since the full argparser requires pydantic, gate it until all dependencies
are installed.

Also if the venv is deleted, assume that start_options.json is invalid
as well.

Signed-off-by: kingbri <bdashore3@proton.me>
2024-09-21 14:36:21 -04:00

77 lines
2.4 KiB
Python

"""Argparser for overriding config values"""
import argparse
from typing import Optional
from pydantic import BaseModel
from common.config_models import TabbyConfigModel
from common.utils import is_list_type, unwrap, unwrap_optional_type
def add_field_to_group(group, field_name, field_type, field) -> None:
"""
Adds a Pydantic field to an argparse argument group.
"""
kwargs = {
"help": field.description if field.description else "No description available",
}
# If the inner type contains a list, specify argparse as such
if is_list_type(field_type):
kwargs["nargs"] = "+"
group.add_argument(f"--{field_name}", **kwargs)
def init_argparser(
existing_parser: Optional[argparse.ArgumentParser] = None,
) -> argparse.ArgumentParser:
"""
Initializes an argparse parser based on a Pydantic config schema.
If an existing provider is given, use that.
"""
parser = unwrap(
existing_parser, argparse.ArgumentParser(description="TabbyAPI server")
)
# Loop through each top-level field in the config
for field_name, field_info in TabbyConfigModel.model_fields.items():
field_type = unwrap_optional_type(field_info.annotation)
group = parser.add_argument_group(
field_name, description=f"Arguments for {field_name}"
)
# Check if the field_type is a Pydantic model
if issubclass(field_type, BaseModel):
for sub_field_name, sub_field_info in field_type.model_fields.items():
sub_field_name = sub_field_name.replace("_", "-")
sub_field_type = sub_field_info.annotation
add_field_to_group(
group, sub_field_name, sub_field_type, sub_field_info
)
else:
field_name = field_name.replace("_", "-")
group.add_argument(f"--{field_name}", help=f"Argument for {field_name}")
return parser
def convert_args_to_dict(
args: argparse.Namespace, parser: argparse.ArgumentParser
) -> dict:
"""Broad conversion of surface level arg groups to dictionaries"""
arg_groups = {}
for group in parser._action_groups:
group_dict = {}
for arg in group._group_actions:
value = getattr(args, arg.dest, None)
if value is not None:
group_dict[arg.dest] = value
arg_groups[group.title] = group_dict
return arg_groups