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"""Configuration models and loaders for CLI commands."""
from __future__ import annotations
import json
import tomllib
from datetime import date
from pathlib import Path
from typing import Any, Dict, Optional
from pydantic import BaseModel, Field, field_validator
# Configuration Models
class GenerateConfig(BaseModel):
"""Configuration for case generation command."""
n_cases: int = Field(10000, ge=1)
start: date = Field(..., description="Case filing start date")
end: date = Field(..., description="Case filing end date")
output: Path = Path("data/generated/cases.csv")
seed: int = 42
@field_validator("end")
@classmethod
def _check_range(cls, v: date, info):
return v
class SimulateConfig(BaseModel):
"""Configuration for simulation command."""
cases: Path = Path("data/generated/cases.csv")
days: int = Field(384, ge=1)
start: Optional[date] = None
policy: str = Field("readiness", pattern=r"^(readiness|fifo|age)$")
seed: int = 42
duration_percentile: str = Field("median", pattern=r"^(median|p90)$")
courtrooms: int = Field(5, ge=1)
daily_capacity: int = Field(151, ge=1)
log_dir: Optional[Path] = None
class WorkflowConfig(BaseModel):
"""Configuration for full workflow command."""
generate: GenerateConfig
simulate: SimulateConfig
# Configuration Loaders
def _read_config(path: Path) -> Dict[str, Any]:
"""Read configuration from .toml or .json file."""
suf = path.suffix.lower()
if suf == ".json":
return json.loads(path.read_text(encoding="utf-8"))
if suf == ".toml":
return tomllib.loads(path.read_text(encoding="utf-8"))
raise ValueError(f"Unsupported config format: {path.suffix}. Use .toml or .json")
def load_generate_config(path: Path) -> GenerateConfig:
"""Load generation configuration from file."""
data = _read_config(path)
return GenerateConfig(**data)
def load_simulate_config(path: Path) -> SimulateConfig:
"""Load simulation configuration from file."""
data = _read_config(path)
return SimulateConfig(**data)
def load_workflow_config(path: Path) -> WorkflowConfig:
"""Load workflow configuration from file."""
data = _read_config(path)
return WorkflowConfig(**data)
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