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"""
POC google docstring plugin for mypy
"""
from mypy.plugin import Plugin
from typing import Callable, Optional
from mypy.plugin import FunctionSigContext
from mypy.types import CallableType
class CustomPlugin(Plugin):
"""
cd $HOME/code/ubelt
mypy -m ubelt.util_dict
stubgen -m ubelt.util_dict
"""
# def get_type_analyze_hook(self, fullname: str):
# print('get_type_analyze_hook: fullname = {!r}'.format(fullname))
def get_function_signature_hook(self, fullname: str
) -> Optional[Callable[[FunctionSigContext], CallableType]]:
"""Adjust the signature of a function.
This method is called before type checking a function call. Plugin
may infer a better type for the function.
from lib import Class, do_stuff
do_stuff(42)
Class()
This method will be called with 'lib.do_stuff' and then with 'lib.Class'.
"""
if 'ubelt' in fullname or 'util_' in fullname:
print('get_function_signature_hook: fullname = {!r}'.format(fullname))
return None
def plugin(version: str):
# ignore version argument if the plugin works with all mypy versions.
return CustomPlugin
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