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django-stubs/mypy_django_plugin/lib/config.py
Maxim Kurnikov b11a9a85f9 new semanal wip 1
2019-07-24 13:38:49 +03:00

55 lines
2.1 KiB
Python

import os
from configparser import ConfigParser
from typing import Dict, List, Optional
import dataclasses
from dataclasses import dataclass
from pytest_mypy.utils import temp_environ
@dataclass
class Config:
django_settings_module: Optional[str] = None
installed_apps: List[str] = dataclasses.field(default_factory=list)
ignore_missing_settings: bool = False
ignore_missing_model_attributes: bool = False
@classmethod
def from_config_file(cls, fpath: str) -> 'Config':
ini_config = ConfigParser()
ini_config.read(fpath)
if not ini_config.has_section('mypy_django_plugin'):
raise ValueError('Invalid config file: no [mypy_django_plugin] section')
django_settings = ini_config.get('mypy_django_plugin', 'django_settings',
fallback=None)
if django_settings:
django_settings = django_settings.strip()
return Config(django_settings_module=django_settings,
ignore_missing_settings=bool(ini_config.get('mypy_django_plugin',
'ignore_missing_settings',
fallback=False)),
ignore_missing_model_attributes=bool(ini_config.get('mypy_django_plugin',
'ignore_missing_model_attributes',
fallback=False)))
def extract_app_model_aliases(settings_module: str) -> Dict[str, str]:
with temp_environ():
os.environ['DJANGO_SETTINGS_MODULE'] = settings_module
import django
django.setup()
app_model_mapping: Dict[str, str] = {}
from django.apps import apps
for name, app_config in apps.app_configs.items():
app_label = app_config.label
for model_name, model_class in app_config.models.items():
app_model_mapping[app_label + '.' + model_class.__name__] = model_class.__module__ + '.' + model_class.__name__
return app_model_mapping