Merge pull request #444 from yczhu/refactor-stub-overloads

Fix #433. Refactor overloads away in zipfile stubs

Author: JukkaL

stubs/3.2/zipfile.py

@@ -1,14 +1,11 @@
 # TODO these are incomplete
 
-from typing import overload, List, Undefined, Tuple, BinaryIO
+from typing import List, Undefined, Tuple, BinaryIO, Union
 
 ZIP_STORED = 0
 ZIP_DEFLATED = 0
 
-@overload
-def is_zipfile(filename: str) -> bool: pass
-@overload
-def is_zipfile(filename: BinaryIO) -> bool: pass
+def is_zipfile(filename: Union[str, BinaryIO]) -> bool: pass
 
 class ZipInfo:
     filename = ''
@@ -17,25 +14,14 @@ class ZipInfo:
     file_size = 0
 
 class ZipFile:
-    @overload
-    def __init__(self, file: str, mode: str = 'r',
+    def __init__(self, file: Union[str, BinaryIO], mode: str = 'r',
                  compression: int = ZIP_STORED,
                  allowZip64: bool = False) -> None: pass
-    @overload
-    def __init__(self, file: BinaryIO, mode: str = 'r',
-                  compression: int = ZIP_STORED,
-                 allowZip64: bool = False) -> None: pass
-
     def close(self) -> None: pass
     def getinfo(name: str) -> ZipInfo: pass
     def infolist(self) -> List[ZipInfo]: pass
     def namelist(self) -> List[str]: pass
-
-    @overload
-    def read(self, name: str, pwd: str = None) -> bytes: pass
-    @overload
-    def read(self, name: ZipInfo, pwd: str = None) -> bytes: pass
-
+    def read(self, name: Union[str, ZipInfo], pwd: str = None) -> bytes: pass
     def write(self, filename: str, arcname: str = None,
               compress_type: int = None) -> None: pass