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cb65407 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 | import importlib
import os
from functools import reduce
from types import ModuleType
from typing import Callable, Tuple
def load_entry() -> Tuple[ModuleType, Callable]:
"""Gather entry point information by parsing :envvar:`PYGPI_ENTRY_POINT`."""
entry_point_str = os.environ.get(
"PYGPI_ENTRY_POINT", "cocotb:_initialise_testbench"
)
try:
if ":" not in entry_point_str:
raise ValueError(
"Invalid PYGPI_ENTRY_POINT, missing entry function (no colon)."
)
entry_module_str, entry_func_str = entry_point_str.split(":", 1)
entry_module = importlib.import_module(entry_module_str)
entry_func = reduce(getattr, entry_func_str.split("."), entry_module)
except Exception as e:
raise RuntimeError(
f"Failure to parse PYGPI_ENTRY_POINT ('{entry_point_str}')"
) from e
else:
return entry_module, entry_func
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