dateutil.parser: Complete the isoparser module (#5983)

stubs/python-dateutil/dateutil/parser/__init__.pyi

@@ -1,6 +1,8 @@
 from datetime import datetime, tzinfo
 from typing import IO, Any, Mapping, Text, Tuple, Union
 
+from .isoparser import isoparse as isoparse, isoparser as isoparser
+
 _FileOrStr = Union[bytes, Text, IO[str], IO[Any]]
 
 class parserinfo(object):
@@ -35,8 +37,6 @@ class parser(object):
         **kwargs: Any,
     ) -> datetime: ...
 
-def isoparse(dt_str: str | bytes | IO[str] | IO[bytes]) -> datetime: ...
-
 DEFAULTPARSER: parser
 
 def parse(timestr: _FileOrStr, parserinfo: parserinfo | None = ..., **kwargs: Any) -> datetime: ...
@@ -45,7 +45,4 @@ class _tzparser: ...
 
 DEFAULTTZPARSER: _tzparser
 
-class InvalidDatetimeError(ValueError): ...
-class InvalidDateError(InvalidDatetimeError): ...
-class InvalidTimeError(InvalidDatetimeError): ...
 class ParserError(ValueError): ...

stubs/python-dateutil/dateutil/parser/isoparser.pyi

@@ -0,0 +1,15 @@
+from _typeshed import SupportsRead
+from datetime import date, datetime, time, tzinfo
+from typing import Text, Union
+
+_Readable = SupportsRead[Union[Text, bytes]]
+_TakesAscii = Union[Text, bytes, _Readable]
+
+class isoparser:
+    def __init__(self, sep: Text | bytes | None = ...): ...
+    def isoparse(self, dt_str: _TakesAscii) -> datetime: ...
+    def parse_isodate(self, datestr: _TakesAscii) -> date: ...
+    def parse_isotime(self, timestr: _TakesAscii) -> time: ...
+    def parse_tzstr(self, tzstr: _TakesAscii, zero_as_utc: bool = ...) -> tzinfo: ...
+
+def isoparse(dt_str: _TakesAscii) -> datetime: ...