Add test to import all modules to check validity of stubs (#56)

* add import_all.test builder

* fix errors

* fix typechecking errors

* fix migrations typechecking

django-stubs/core/cache/backends/base.pyi

@@ -1,5 +1,4 @@
-from collections import OrderedDict
-from typing import Any, Callable, Dict, List, Optional, Union
+from typing import Any, Callable, Dict, Iterable, List, Optional, Union
 
 from django.core.exceptions import ImproperlyConfigured
 
@@ -9,7 +8,7 @@ class CacheKeyWarning(RuntimeWarning): ...
 DEFAULT_TIMEOUT: Any
 MEMCACHE_MAX_KEY_LENGTH: int
 
-def default_key_func(key: Union[int, str], key_prefix: str, version: Union[int, str]) -> str: ...
+def default_key_func(key: Any, key_prefix: str, version: Any) -> str: ...
 def get_key_func(key_func: Optional[Union[Callable, str]]) -> Callable: ...
 
 class BaseCache:
@@ -17,9 +16,9 @@ class BaseCache:
     key_prefix: str = ...
     version: int = ...
     key_func: Callable = ...
-    def __init__(self, params: Dict[str, Optional[Union[Callable, Dict[str, int], int, str]]]) -> None: ...
+    def __init__(self, params: Dict[str, Any]) -> None: ...
     def get_backend_timeout(self, timeout: Any = ...) -> Optional[float]: ...
-    def make_key(self, key: Union[int, str], version: Optional[Union[int, str]] = ...) -> str: ...
+    def make_key(self, key: Any, version: Optional[Any] = ...) -> str: ...
     def add(self, key: Any, value: Any, timeout: Any = ..., version: Optional[Any] = ...) -> None: ...
     def get(self, key: Any, default: Optional[Any] = ..., version: Optional[Any] = ...) -> Any: ...
     def set(self, key: Any, value: Any, timeout: Any = ..., version: Optional[Any] = ...) -> None: ...
@@ -27,19 +26,14 @@ class BaseCache:
     def delete(self, key: Any, version: Optional[Any] = ...) -> None: ...
     def get_many(self, keys: List[str], version: Optional[int] = ...) -> Dict[str, Union[int, str]]: ...
     def get_or_set(
-        self, key: str, default: Optional[Union[Callable, int, str]], timeout: Any = ..., version: Optional[int] = ...
-    ) -> Optional[Union[int, str]]: ...
+        self, key: Any, default: Optional[Any], timeout: Any = ..., version: Optional[int] = ...
+    ) -> Optional[Any]: ...
     def has_key(self, key: Any, version: Optional[Any] = ...): ...
     def incr(self, key: str, delta: int = ..., version: Optional[int] = ...) -> int: ...
     def decr(self, key: str, delta: int = ..., version: Optional[int] = ...) -> int: ...
     def __contains__(self, key: str) -> bool: ...
-    def set_many(
-        self,
-        data: Union[Dict[str, bytes], Dict[str, int], Dict[str, str], OrderedDict],
-        timeout: Any = ...,
-        version: Optional[Union[int, str]] = ...,
-    ) -> List[Any]: ...
-    def delete_many(self, keys: Union[Dict[str, str], List[str]], version: None = ...) -> None: ...
+    def set_many(self, data: Dict[str, Any], timeout: Any = ..., version: Optional[Any] = ...) -> List[Any]: ...
+    def delete_many(self, keys: Iterable[Any], version: Optional[Any] = ...) -> None: ...
     def clear(self) -> None: ...
     def validate_key(self, key: str) -> None: ...
     def incr_version(self, key: str, delta: int = ..., version: Optional[int] = ...) -> int: ...

django-stubs/core/cache/backends/db.pyi

@@ -1,4 +1,4 @@
-from typing import Any, Callable, Dict, Optional, Union
+from typing import Any, Dict
 
 from django.core.cache.backends.base import BaseCache
 
@@ -16,24 +16,7 @@ class Options:
     def __init__(self, table: str) -> None: ...
 
 class BaseDatabaseCache(BaseCache):
-    default_timeout: int
-    key_func: Callable
-    key_prefix: str
-    version: int
     cache_model_class: Any = ...
-    def __init__(self, table: str, params: Dict[str, Union[Callable, Dict[str, int], int, str]]) -> None: ...
+    def __init__(self, table: str, params: Dict[str, Any]) -> None: ...
 
-class DatabaseCache(BaseDatabaseCache):
-    default_timeout: int
-    key_func: Callable
-    key_prefix: str
-    version: int
-    def get(self, key: str, default: Optional[Union[int, str]] = ..., version: Optional[int] = ...) -> Any: ...
-    def set(self, key: str, value: Any, timeout: Any = ..., version: Optional[int] = ...) -> None: ...
-    def add(
-        self, key: str, value: Union[Dict[str, int], bytes, int, str], timeout: Any = ..., version: Optional[int] = ...
-    ) -> bool: ...
-    def touch(self, key: str, timeout: Any = ..., version: None = ...) -> bool: ...
-    def delete(self, key: str, version: Optional[int] = ...) -> None: ...
-    def has_key(self, key: str, version: Optional[int] = ...) -> Any: ...
-    def clear(self) -> None: ...
+class DatabaseCache(BaseDatabaseCache): ...

django-stubs/core/cache/backends/dummy.pyi

@@ -1,19 +1,6 @@
-from typing import Any, Dict, Optional, Union, Callable
+from typing import Any
 
 from django.core.cache.backends.base import BaseCache
 
 class DummyCache(BaseCache):
-    default_timeout: int
-    key_func: Callable
-    key_prefix: str
-    version: int
     def __init__(self, host: str, *args: Any, **kwargs: Any) -> None: ...
-    def add(self, key: str, value: str, timeout: Any = ..., version: None = ...) -> bool: ...
-    def get(self, key: str, default: Optional[str] = ..., version: Optional[int] = ...) -> Optional[str]: ...
-    def set(
-        self, key: str, value: Union[Dict[str, Any], int, str], timeout: Any = ..., version: Optional[str] = ...
-    ) -> None: ...
-    def touch(self, key: str, timeout: Any = ..., version: None = ...) -> bool: ...
-    def delete(self, key: str, version: None = ...) -> None: ...
-    def has_key(self, key: str, version: None = ...) -> bool: ...
-    def clear(self) -> None: ...

django-stubs/core/cache/backends/filebased.pyi

@@ -1,22 +1,7 @@
-from typing import Any, Callable, Dict, Optional, Union
+from typing import Any, Dict
 
 from django.core.cache.backends.base import BaseCache
 
 class FileBasedCache(BaseCache):
-    default_timeout: int
-    key_func: Callable
-    key_prefix: str
-    version: int
     cache_suffix: str = ...
-    def __init__(self, dir: str, params: Dict[str, Union[Callable, Dict[str, int], int, str]]) -> None: ...
-    def add(
-        self, key: str, value: Union[Dict[str, int], bytes, int, str], timeout: Any = ..., version: Optional[int] = ...
-    ) -> bool: ...
-    def get(
-        self, key: str, default: Optional[Union[int, str]] = ..., version: Optional[int] = ...
-    ) -> Optional[str]: ...
-    def set(self, key: str, value: Any, timeout: Any = ..., version: Optional[int] = ...) -> None: ...
-    def touch(self, key: str, timeout: Any = ..., version: None = ...) -> bool: ...
-    def delete(self, key: str, version: Optional[int] = ...) -> None: ...
-    def has_key(self, key: str, version: Optional[int] = ...) -> bool: ...
-    def clear(self) -> None: ...
+    def __init__(self, dir: str, params: Dict[str, Any]) -> None: ...