Windows 10 build ID and date info

wininfo.py

import datetime
import time
import winreg
import pytz

def gets():
    hive = winreg.OpenKey(winreg.HKEY_LOCAL_MACHINE, "SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion")
    keys = ("ProductName", "ReleaseId")
    info = {key: winreg.QueryValueEx(hive, key)[0] for key in keys}
    blex = winreg.QueryValueEx(hive, "BuildLabEx")[0]
    stamps = ("build", "revision", "type", "lab", "stamp")
    builds = blex.split(".")
    for idx, itm in enumerate(stamps):
        info[itm] = builds[idx]
    del info["type"]
    isdst = bool((pytz.timezone("America/Los_Angeles").localize(datetime.datetime.strptime(info["stamp"], "%y%m%d-%H%M"))).dst())
    bzone = "Pacific Daylight Time" if isdst else "Pacific Standard Time"
    info["date"] = time.strftime("%A %d %B %Y %H:%M {0}".format(bzone), time.strptime(info["stamp"], "%y%m%d-%H%M"))
    idate = winreg.QueryValueEx(hive, "InstallDate")[0]
    izone = time.strftime("%Z", time.localtime(idate))
    info["idate"] = time.strftime("%A %d %B %Y %H:%M %Z", time.localtime(idate))
    del info["stamp"]
    return info

def puts():
    info = gets()
    print("{0} version {1} build {2}.{3}".format(info["ProductName"], info["ReleaseId"], info["build"], info["revision"]))
    print("Built by {0} on {1}".format(info["lab"], info["date"]))
    print("Installed on {0}".format(info["idate"]))

if __name__ == "__main__":
    puts()