From e9d1f8659178b94180b8400221237c872905aece Mon Sep 17 00:00:00 2001
From: Vasily Zakharov <vmzakhar@gmail.com>
Date: Thu, 25 Jul 2019 17:57:14 +0300
Subject: [PATCH] gettext stubs fixed (#3130)

---
 stdlib/3/gettext.pyi | 35 ++++++++++++++++++++++-------------
 1 file changed, 22 insertions(+), 13 deletions(-)

diff --git a/stdlib/3/gettext.pyi b/stdlib/3/gettext.pyi
index eeb9b0976..7697404fb 100644
--- a/stdlib/3/gettext.pyi
+++ b/stdlib/3/gettext.pyi
@@ -1,9 +1,11 @@
 # Stubs for gettext (Python 3.4)
 
-from typing import Any, IO, List, Optional, Union, Callable
+from typing import overload, Any, Container, IO, Iterable, Optional, Type, TypeVar
+from typing_extensions import Literal
 
 class NullTranslations:
     def __init__(self, fp: IO[str] = ...) -> None: ...
+    def _parse(self, fp: IO[str]) -> None: ...
     def add_fallback(self, fallback: NullTranslations) -> None: ...
     def gettext(self, message: str) -> str: ...
     def lgettext(self, message: str) -> str: ...
@@ -12,26 +14,33 @@ class NullTranslations:
     def info(self) -> Any: ...
     def charset(self) -> Any: ...
     def output_charset(self) -> Any: ...
-    def set_output_charset(self, charset: Any) -> None: ...
-    def install(self, names: List[str] = ...) -> None: ...
+    def set_output_charset(self, charset: str) -> None: ...
+    def install(self, names: Optional[Container[str]] = ...) -> None: ...
 
 class GNUTranslations(NullTranslations):
     LE_MAGIC: int
     BE_MAGIC: int
 
-def find(domain: str, localedir: str = ..., languages: List[str] = ...,
-         all: bool = ...): ...
+def find(domain: str, localedir: Optional[str] = ..., languages: Optional[Iterable[str]] = ...,
+         all: bool = ...) -> Any: ...
 
-def translation(domain: str, localedir: str = ..., languages: List[str] = ...,
-                class_: Callable[[IO[str]], NullTranslations] = ...,
-                fallback: bool = ..., codeset: Any = ...) -> NullTranslations: ...
+_T = TypeVar('_T')
+@overload
+def translation(domain: str, localedir: Optional[str] = ..., languages: Optional[Iterable[str]] = ...,
+                class_: None = ..., fallback: bool = ..., codeset: Optional[str] = ...) -> NullTranslations: ...
+@overload
+def translation(domain: str, localedir: Optional[str] = ..., languages: Optional[Iterable[str]] = ...,
+                class_: Type[_T] = ..., fallback: Literal[False] = ..., codeset: Optional[str] = ...) -> _T: ...
+@overload
+def translation(domain: str, localedir: Optional[str] = ..., languages: Optional[Iterable[str]] = ...,
+                class_: Type[_T] = ..., fallback: Literal[True] = ..., codeset: Optional[str] = ...) -> Any: ...
 
-def install(domain: str, localedir: str = ..., codeset: Any = ...,
-            names: List[str] = ...): ...
+def install(domain: str, localedir: Optional[str] = ..., codeset: Optional[str] = ...,
+            names: Optional[Container[str]] = ...) -> None: ...
 
-def textdomain(domain: str = ...) -> str: ...
-def bindtextdomain(domain: str, localedir: str = ...) -> str: ...
-def bind_textdomain_codeset(domain: str, codeset: str = ...) -> str: ...
+def textdomain(domain: Optional[str] = ...) -> str: ...
+def bindtextdomain(domain: str, localedir: Optional[str] = ...) -> str: ...
+def bind_textdomain_codeset(domain: str, codeset: Optional[str] = ...) -> str: ...
 def dgettext(domain: str, message: str) -> str: ...
 def ldgettext(domain: str, message: str) -> str: ...
 def dngettext(domain: str, singular: str, plural: str, n: int) -> str: ...