Shows how to potentially get around boilerplate config loading code by parameterizing it

parameterizing_config.py

# %%cell_to_module config_plate --display
from hamilton.function_modifiers import parameterize, source, value

class TablePaths:
    pass # your code here

table_names = ["vendor", "predictions"] # update this


@parameterize(
      **{
        f"{name}_paths": {"table_name": value(name)}
        for name in table_names
      }
)
def table_paths(table_paths: TablePaths, table_name: str) -> dict:
    _table = getattr(table_paths, table_name)
    return {
      f"{table_name}_catalog": _table.catalog,
      f"{table_name}_schema": _table.schema,
      f"{table_name}_table": _table.table,
    }

@parameterize(
    **{
        f"{name}_{part}": {"general_dict": source(f"{name}_paths"), "field_name": value(part)} 
        for name in table_names
        for part in ["catalog", "schema", "table"]
    }
)
def parameterized_extract_fields(general_dict: dict, field_name: str) -> str:
    return general_dict[field_name]