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: ...

django-stubs/core/files/locks.pyi

@@ -1,17 +1,15 @@
-from ctypes import Structure, c_int64, c_ulong, c_void_p
-from io import BufferedRandom, TextIOWrapper
-from typing import Union
+from ctypes import Structure, Union
+from typing import Any
 
 LOCK_SH: int
 LOCK_NB: int
 LOCK_EX: int
-ULONG_PTR = c_int64
-ULONG_PTR = c_ulong
-PVOID = c_void_p
+ULONG_PTR: Any = ...
+PVOID: Any = ...
 
 class _OFFSET(Structure): ...
 class _OFFSET_UNION(Union): ...
 class OVERLAPPED(Structure): ...
 
-def lock(f: Union[BufferedRandom, TextIOWrapper, int], flags: int) -> bool: ...
-def unlock(f: Union[BufferedRandom, int]) -> bool: ...
+def lock(f: Any, flags: int) -> bool: ...
+def unlock(f: Any) -> bool: ...

django-stubs/core/mail/__init__.pyi

@@ -1,6 +1,5 @@
 from typing import Any, List, Optional, Tuple
 
-from .backends.base import BaseEmailBackend
 from .message import (
     BadHeaderError as BadHeaderError,
     DEFAULT_ATTACHMENT_MIME_TYPE as DEFAULT_ATTACHMENT_MIME_TYPE,
@@ -12,7 +11,7 @@ from .message import (
 )
 from .utils import CachedDnsName as CachedDnsName, DNS_NAME as DNS_NAME
 
-def get_connection(backend: Optional[str] = ..., fail_silently: bool = ..., **kwds: Any) -> BaseEmailBackend: ...
+def get_connection(backend: Optional[str] = ..., fail_silently: bool = ..., **kwds: Any) -> Any: ...
 def send_mail(
     subject: str,
     message: str,
@@ -21,7 +20,7 @@ def send_mail(
     fail_silently: bool = ...,
     auth_user: Optional[str] = ...,
     auth_password: Optional[str] = ...,
-    connection: Optional[BaseEmailBackend] = ...,
+    connection: Optional[Any] = ...,
     html_message: Optional[str] = ...,
 ) -> int: ...
 def send_mass_mail(
@@ -29,20 +28,20 @@ def send_mass_mail(
     fail_silently: bool = ...,
     auth_user: Optional[str] = ...,
     auth_password: Optional[str] = ...,
-    connection: Optional[BaseEmailBackend] = ...,
+    connection: Optional[Any] = ...,
 ) -> int: ...
 def mail_admins(
     subject: str,
     message: str,
     fail_silently: bool = ...,
-    connection: Optional[BaseEmailBackend] = ...,
+    connection: Optional[Any] = ...,
     html_message: Optional[str] = ...,
 ) -> None: ...
 def mail_managers(
     subject: str,
     message: str,
     fail_silently: bool = ...,
-    connection: Optional[BaseEmailBackend] = ...,
+    connection: Optional[Any] = ...,
     html_message: Optional[str] = ...,
 ) -> None: ...
 

django-stubs/core/mail/message.pyi

@@ -1,11 +1,8 @@
-from email._policybase import Policy
+from email._policybase import Policy  # type: ignore
 from email.mime.message import MIMEMessage
 from email.mime.multipart import MIMEMultipart
 from email.mime.text import MIMEText
-from typing import Any, Dict, List, Optional, Tuple, Union, Sequence
-
-from django.core.mail.backends.base import BaseEmailBackend
-from django.utils.safestring import SafeText
+from typing import Any, Dict, List, Optional, Sequence, Tuple, Union
 
 utf8_charset: Any
 utf8_charset_qp: Any
@@ -20,16 +17,13 @@ def forbid_multi_line_headers(name: str, val: str, encoding: str) -> Tuple[str,
 def split_addr(addr: str, encoding: str) -> Tuple[str, str]: ...
 def sanitize_address(addr: Union[Tuple[str, str], str], encoding: str) -> str: ...
 
-class MIMEMixin:
-    def as_string(self, unixfrom: bool = ..., linesep: str = ...) -> str: ...
-    def as_bytes(self, unixfrom: bool = ..., linesep: str = ...) -> bytes: ...
+class MIMEMixin: ...
 
 class SafeMIMEMessage(MIMEMixin, MIMEMessage):
     defects: List[Any]
     epilogue: None
     policy: Policy
     preamble: None
-    def __setitem__(self, name: str, val: str) -> None: ...
 
 class SafeMIMEText(MIMEMixin, MIMEText):
     defects: List[Any]
@@ -38,8 +32,6 @@ class SafeMIMEText(MIMEMixin, MIMEText):
     preamble: None
     encoding: str = ...
     def __init__(self, _text: str, _subtype: str = ..., _charset: str = ...) -> None: ...
-    def __setitem__(self, name: str, val: str) -> None: ...
-    def set_payload(self, payload: str, charset: str = ...) -> None: ...
 
 class SafeMIMEMultipart(MIMEMixin, MIMEMultipart):
     defects: List[Any]
@@ -50,7 +42,6 @@ class SafeMIMEMultipart(MIMEMixin, MIMEMultipart):
     def __init__(
         self, _subtype: str = ..., boundary: None = ..., _subparts: None = ..., encoding: str = ..., **_params: Any
     ) -> None: ...
-    def __setitem__(self, name: str, val: str) -> None: ...
 
 class EmailMessage:
     content_subtype: str = ...
@@ -65,7 +56,7 @@ class EmailMessage:
     body: str = ...
     attachments: List[Any] = ...
     extra_headers: Dict[Any, Any] = ...
-    connection: None = ...
+    connection: Any = ...
     def __init__(
         self,
         subject: str = ...,
@@ -73,13 +64,13 @@ class EmailMessage:
         from_email: Optional[str] = ...,
         to: Optional[Union[Sequence[str], str]] = ...,
         bcc: Optional[Union[Sequence[str], str]] = ...,
-        connection: Optional[BaseEmailBackend] = ...,
+        connection: Optional[Any] = ...,
         attachments: Optional[Union[List[Tuple[str, str]], List[MIMEText]]] = ...,
         headers: Optional[Dict[str, str]] = ...,
         cc: Optional[Union[Sequence[str], str]] = ...,
         reply_to: Optional[Union[List[Optional[str]], str]] = ...,
     ) -> None: ...
-    def get_connection(self, fail_silently: bool = ...) -> BaseEmailBackend: ...
+    def get_connection(self, fail_silently: bool = ...) -> Any: ...
     def message(self) -> MIMEMixin: ...
     def recipients(self) -> List[str]: ...
     def send(self, fail_silently: bool = ...) -> int: ...
@@ -92,16 +83,6 @@ class EmailMessage:
     def attach_file(self, path: str, mimetype: Optional[str] = ...) -> None: ...
 
 class EmailMultiAlternatives(EmailMessage):
-    attachments: List[Any]
-    bcc: List[Any]
-    body: SafeText
-    cc: List[Any]
-    connection: None
-    extra_headers: Dict[Any, Any]
-    from_email: str
-    reply_to: List[Any]
-    subject: str
-    to: List[str]
     alternative_subtype: str = ...
     alternatives: Any = ...
     def __init__(
@@ -111,7 +92,7 @@ class EmailMultiAlternatives(EmailMessage):
         from_email: Optional[str] = ...,
         to: Optional[List[str]] = ...,
         bcc: Optional[List[str]] = ...,
-        connection: Optional[BaseEmailBackend] = ...,
+        connection: Optional[Any] = ...,
         attachments: None = ...,
         headers: Optional[Dict[str, str]] = ...,
         alternatives: Optional[List[Tuple[str, str]]] = ...,

django-stubs/core/management/templates.pyi

@@ -1,16 +1,13 @@
-from typing import Any, Optional
+from typing import Any
 
-from django.core.management.base import BaseCommand, CommandParser
+from django.core.management.base import BaseCommand
 
 class TemplateCommand(BaseCommand):
-    requires_system_checks: bool = ...
     url_schemes: Any = ...
     rewrite_template_suffixes: Any = ...
-    def add_arguments(self, parser: CommandParser) -> None: ...
     app_or_project: Any = ...
     paths_to_remove: Any = ...
     verbosity: Any = ...
-    def handle(self, app_or_project: Any, name: Any, target: Optional[Any] = ..., **options: Any): ...
     def handle_template(self, template: Any, subdir: Any): ...
     def validate_name(self, name: Any, app_or_project: Any) -> None: ...
     def download(self, url: Any): ...