Re-organize directory structure (#4971)

See discussion in #2491

Co-authored-by: Ivan Levkivskyi <ilevkivskyi@dropbox.com>

stdlib/@python2/gettext.pyi

@@ -0,0 +1,48 @@
+from typing import IO, Any, Container, Dict, List, Optional, Sequence, Type, Union
+
+def bindtextdomain(domain: str, localedir: str = ...) -> str: ...
+def bind_textdomain_codeset(domain: str, codeset: str = ...) -> str: ...
+def textdomain(domain: str = ...) -> str: ...
+def gettext(message: str) -> str: ...
+def lgettext(message: str) -> str: ...
+def dgettext(domain: str, message: str) -> str: ...
+def ldgettext(domain: str, message: str) -> str: ...
+def ngettext(singular: str, plural: str, n: int) -> str: ...
+def lngettext(singular: str, plural: str, n: int) -> str: ...
+def dngettext(domain: str, singular: str, plural: str, n: int) -> str: ...
+def ldngettext(domain: str, singular: str, plural: str, n: int) -> str: ...
+
+class NullTranslations(object):
+    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: ...
+    def ugettext(self, message: Union[str, unicode]) -> unicode: ...
+    def ngettext(self, singular: str, plural: str, n: int) -> str: ...
+    def lngettext(self, singular: str, plural: str, n: int) -> str: ...
+    def ungettext(self, singular: Union[str, unicode], plural: Union[str, unicode], n: int) -> unicode: ...
+    def info(self) -> Dict[str, str]: ...
+    def charset(self) -> Optional[str]: ...
+    def output_charset(self) -> Optional[str]: ...
+    def set_output_charset(self, charset: Optional[str]) -> None: ...
+    def install(self, unicode: bool = ..., names: Container[str] = ...) -> None: ...
+
+class GNUTranslations(NullTranslations):
+    LE_MAGIC: int
+    BE_MAGIC: int
+
+def find(
+    domain: str, localedir: Optional[str] = ..., languages: Optional[Sequence[str]] = ..., all: Any = ...
+) -> Optional[Union[str, List[str]]]: ...
+def translation(
+    domain: str,
+    localedir: Optional[str] = ...,
+    languages: Optional[Sequence[str]] = ...,
+    class_: Optional[Type[NullTranslations]] = ...,
+    fallback: bool = ...,
+    codeset: Optional[str] = ...,
+) -> NullTranslations: ...
+def install(
+    domain: str, localedir: Optional[str] = ..., unicode: bool = ..., codeset: Optional[str] = ..., names: Container[str] = ...
+) -> None: ...