bpo-22102: Fixes zip files with disks set to 0 (GH-5985)

(cherry picked from commit ab0716e)

Co-authored-by: Francisco Facioni <fran6co@gmail.com>

Author: miss-islington

Lib/zipfile.py

@@ -224,7 +224,7 @@ def _EndRecData64(fpin, offset, endrec):
     if sig != stringEndArchive64Locator:
         return endrec
 
-    if diskno != 0 or disks != 1:
+    if diskno != 0 or disks > 1:
         raise BadZipFile("zipfiles that span multiple disks are not supported")
 
     # Assume no 'zip64 extensible data'

Misc/NEWS.d/next/Library/2018-03-08-16-15-00.bpo-22102.th33uD.rst

@@ -0,0 +1,2 @@
+Added support for ZIP files with disks set to 0. Such files are commonly created by builtin tools on Windows when use ZIP64 extension.
+Patch by Francisco Facioni.