Accommodate Python 3 on Windows (threading.TIMEOUT_MAX is a little bit more...

Accommodate Python 3 on Windows (threading.TIMEOUT_MAX is a little bit more thant 49 days, so set multiprocess timeout to 49 days). Close #374

HISTORY.md

 ### Version History:
 
+- 1.5.7: Reduce multiprocess timeout to 49 days, to accommodate Python 3 on Windows
 - 1.5.6: Downloading using downloader also retries
 - 1.5.5: Minor: Improve 'multiprocess' installation prompts
 - 1.5.4: Print instructions on how to fix 'multiprocess' errors

HISTORY.rst

 Version History:
 ~~~~~~~~~~~~~~~~
 
+-  1.5.7: Reduce multiprocess timeout to 49 days, to accommodate Python
+   3 on Windows
 -  1.5.6: Downloading using downloader also retries
 -  1.5.5: Minor: Improve 'multiprocess' installation prompts
 -  1.5.4: Print instructions on how to fix 'multiprocess' errors

bypy/bypy.py

@@ -548,7 +548,8 @@ class ByPy(object):
 				# http://stackoverflow.com/a/35134329/404271
 				# On Python 2.x, Ctrl-C won't work if we use pool.map(), wait() or get()
 				ar = pool.map_async(worker, iterator)
-				results = ar.get(const.TenYearInSeconds)
+				#results = ar.get(const.TenYearInSeconds)
+				results = ar.get(const.FortyNineDaysInSeconds)
 				restoremp()
 				return self.__filter_multi_results(results)
 			except pickle.PicklingError as pe:

bypy/const.py

@@ -12,7 +12,7 @@ import os
 
 # https://packaging.python.org/single_source_version/
 __title__ = 'bypy'
-__version__ = '1.5.6'
+__version__ = '1.5.7'
 __author__ = 'Hou Tianze'
 __license__ = 'MIT'
 __desc__ = 'Python client for Baidu Yun (Personal Cloud Storage) 百度云/百度网盘 Python 客户端'
@@ -88,6 +88,10 @@ SIPrefixTimes = {
 
 # before this, you don't know me, i don't know you - Eason
 TenYearInSeconds = 60 * 60 * 24 * 366 * 10
+# For Python 3 only, threading.TIMEOUT_MAX is 9223372036854.0 on all *nix systems,
+# but it's a little over 49 days for Windows, if we give a value larger than that,
+# Python 3 on Windows will throw towel, so we cringe.
+FortyNineDaysInSeconds = 60 * 60 * 24 * 49
 
 #### Baidu PCS constants
 # ==== NOTE ====