()
| 68 | if sys.platform == "win32": |
| 69 | |
| 70 | def _get_windows_timezone() -> Timezone: |
| 71 | from pendulum.tz.data.windows import windows_timezones |
| 72 | |
| 73 | # Windows is special. It has unique time zone names (in several |
| 74 | # meanings of the word) available, but unfortunately, they can be |
| 75 | # translated to the language of the operating system, so we need to |
| 76 | # do a backwards lookup, by going through all time zones and see which |
| 77 | # one matches. |
| 78 | handle = winreg.ConnectRegistry(None, winreg.HKEY_LOCAL_MACHINE) |
| 79 | |
| 80 | tz_local_key_name = r"SYSTEM\CurrentControlSet\Control\TimeZoneInformation" |
| 81 | localtz = winreg.OpenKey(handle, tz_local_key_name) |
| 82 | |
| 83 | timezone_info = {} |
| 84 | size = winreg.QueryInfoKey(localtz)[1] |
| 85 | for i in range(size): |
| 86 | data = winreg.EnumValue(localtz, i) |
| 87 | timezone_info[data[0]] = data[1] |
| 88 | |
| 89 | localtz.Close() |
| 90 | |
| 91 | if "TimeZoneKeyName" in timezone_info: |
| 92 | # Windows 7 (and Vista?) |
| 93 | |
| 94 | # For some reason this returns a string with loads of NUL bytes at |
| 95 | # least on some systems. I don't know if this is a bug somewhere, I |
| 96 | # just work around it. |
| 97 | tzkeyname = timezone_info["TimeZoneKeyName"].split("\x00", 1)[0] |
| 98 | else: |
| 99 | # Windows 2000 or XP |
| 100 | |
| 101 | # This is the localized name: |
| 102 | tzwin = timezone_info["StandardName"] |
| 103 | |
| 104 | # Open the list of timezones to look up the real name: |
| 105 | tz_key_name = r"SOFTWARE\Microsoft\Windows NT\CurrentVersion\Time Zones" |
| 106 | tzkey = winreg.OpenKey(handle, tz_key_name) |
| 107 | |
| 108 | # Now, match this value to Time Zone information |
| 109 | tzkeyname = None |
| 110 | for i in range(winreg.QueryInfoKey(tzkey)[0]): |
| 111 | subkey = winreg.EnumKey(tzkey, i) |
| 112 | sub = winreg.OpenKey(tzkey, subkey) |
| 113 | |
| 114 | info = {} |
| 115 | size = winreg.QueryInfoKey(sub)[1] |
| 116 | for i in range(size): |
| 117 | data = winreg.EnumValue(sub, i) |
| 118 | info[data[0]] = data[1] |
| 119 | |
| 120 | sub.Close() |
| 121 | with contextlib.suppress(KeyError): |
| 122 | # This timezone didn't have proper configuration. |
| 123 | # Ignore it. |
| 124 | if info["Std"] == tzwin: |
| 125 | tzkeyname = subkey |
| 126 | break |
| 127 |
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