diff options
Diffstat (limited to 'lib/python2.7/site-packages/python_dateutil-1.5-py2.7.egg/dateutil/tzwin.py')
| -rwxr-xr-x | lib/python2.7/site-packages/python_dateutil-1.5-py2.7.egg/dateutil/tzwin.py | 180 |
1 files changed, 0 insertions, 180 deletions
diff --git a/lib/python2.7/site-packages/python_dateutil-1.5-py2.7.egg/dateutil/tzwin.py b/lib/python2.7/site-packages/python_dateutil-1.5-py2.7.egg/dateutil/tzwin.py deleted file mode 100755 index 073e0ff6..00000000 --- a/lib/python2.7/site-packages/python_dateutil-1.5-py2.7.egg/dateutil/tzwin.py +++ /dev/null @@ -1,180 +0,0 @@ -# This code was originally contributed by Jeffrey Harris. -import datetime -import struct -import _winreg - -__author__ = "Jeffrey Harris & Gustavo Niemeyer <gustavo@niemeyer.net>" - -__all__ = ["tzwin", "tzwinlocal"] - -ONEWEEK = datetime.timedelta(7) - -TZKEYNAMENT = r"SOFTWARE\Microsoft\Windows NT\CurrentVersion\Time Zones" -TZKEYNAME9X = r"SOFTWARE\Microsoft\Windows\CurrentVersion\Time Zones" -TZLOCALKEYNAME = r"SYSTEM\CurrentControlSet\Control\TimeZoneInformation" - -def _settzkeyname(): - global TZKEYNAME - handle = _winreg.ConnectRegistry(None, _winreg.HKEY_LOCAL_MACHINE) - try: - _winreg.OpenKey(handle, TZKEYNAMENT).Close() - TZKEYNAME = TZKEYNAMENT - except WindowsError: - TZKEYNAME = TZKEYNAME9X - handle.Close() - -_settzkeyname() - -class tzwinbase(datetime.tzinfo): - """tzinfo class based on win32's timezones available in the registry.""" - - def utcoffset(self, dt): - if self._isdst(dt): - return datetime.timedelta(minutes=self._dstoffset) - else: - return datetime.timedelta(minutes=self._stdoffset) - - def dst(self, dt): - if self._isdst(dt): - minutes = self._dstoffset - self._stdoffset - return datetime.timedelta(minutes=minutes) - else: - return datetime.timedelta(0) - - def tzname(self, dt): - if self._isdst(dt): - return self._dstname - else: - return self._stdname - - def list(): - """Return a list of all time zones known to the system.""" - handle = _winreg.ConnectRegistry(None, _winreg.HKEY_LOCAL_MACHINE) - tzkey = _winreg.OpenKey(handle, TZKEYNAME) - result = [_winreg.EnumKey(tzkey, i) - for i in range(_winreg.QueryInfoKey(tzkey)[0])] - tzkey.Close() - handle.Close() - return result - list = staticmethod(list) - - def display(self): - return self._display - - def _isdst(self, dt): - dston = picknthweekday(dt.year, self._dstmonth, self._dstdayofweek, - self._dsthour, self._dstminute, - self._dstweeknumber) - dstoff = picknthweekday(dt.year, self._stdmonth, self._stddayofweek, - self._stdhour, self._stdminute, - self._stdweeknumber) - if dston < dstoff: - return dston <= dt.replace(tzinfo=None) < dstoff - else: - return not dstoff <= dt.replace(tzinfo=None) < dston - - -class tzwin(tzwinbase): - - def __init__(self, name): - self._name = name - - handle = _winreg.ConnectRegistry(None, _winreg.HKEY_LOCAL_MACHINE) - tzkey = _winreg.OpenKey(handle, "%s\%s" % (TZKEYNAME, name)) - keydict = valuestodict(tzkey) - tzkey.Close() - handle.Close() - - self._stdname = keydict["Std"].encode("iso-8859-1") - self._dstname = keydict["Dlt"].encode("iso-8859-1") - - self._display = keydict["Display"] - - # See http://ww_winreg.jsiinc.com/SUBA/tip0300/rh0398.htm - tup = struct.unpack("=3l16h", keydict["TZI"]) - self._stdoffset = -tup[0]-tup[1] # Bias + StandardBias * -1 - self._dstoffset = self._stdoffset-tup[2] # + DaylightBias * -1 - - (self._stdmonth, - self._stddayofweek, # Sunday = 0 - self._stdweeknumber, # Last = 5 - self._stdhour, - self._stdminute) = tup[4:9] - - (self._dstmonth, - self._dstdayofweek, # Sunday = 0 - self._dstweeknumber, # Last = 5 - self._dsthour, - self._dstminute) = tup[12:17] - - def __repr__(self): - return "tzwin(%s)" % repr(self._name) - - def __reduce__(self): - return (self.__class__, (self._name,)) - - -class tzwinlocal(tzwinbase): - - def __init__(self): - - handle = _winreg.ConnectRegistry(None, _winreg.HKEY_LOCAL_MACHINE) - - tzlocalkey = _winreg.OpenKey(handle, TZLOCALKEYNAME) - keydict = valuestodict(tzlocalkey) - tzlocalkey.Close() - - self._stdname = keydict["StandardName"].encode("iso-8859-1") - self._dstname = keydict["DaylightName"].encode("iso-8859-1") - - try: - tzkey = _winreg.OpenKey(handle, "%s\%s"%(TZKEYNAME, self._stdname)) - _keydict = valuestodict(tzkey) - self._display = _keydict["Display"] - tzkey.Close() - except OSError: - self._display = None - - handle.Close() - - self._stdoffset = -keydict["Bias"]-keydict["StandardBias"] - self._dstoffset = self._stdoffset-keydict["DaylightBias"] - - - # See http://ww_winreg.jsiinc.com/SUBA/tip0300/rh0398.htm - tup = struct.unpack("=8h", keydict["StandardStart"]) - - (self._stdmonth, - self._stddayofweek, # Sunday = 0 - self._stdweeknumber, # Last = 5 - self._stdhour, - self._stdminute) = tup[1:6] - - tup = struct.unpack("=8h", keydict["DaylightStart"]) - - (self._dstmonth, - self._dstdayofweek, # Sunday = 0 - self._dstweeknumber, # Last = 5 - self._dsthour, - self._dstminute) = tup[1:6] - - def __reduce__(self): - return (self.__class__, ()) - -def picknthweekday(year, month, dayofweek, hour, minute, whichweek): - """dayofweek == 0 means Sunday, whichweek 5 means last instance""" - first = datetime.datetime(year, month, 1, hour, minute) - weekdayone = first.replace(day=((dayofweek-first.isoweekday())%7+1)) - for n in xrange(whichweek): - dt = weekdayone+(whichweek-n)*ONEWEEK - if dt.month == month: - return dt - -def valuestodict(key): - """Convert a registry key's values to a dictionary.""" - dict = {} - size = _winreg.QueryInfoKey(key)[1] - for i in range(size): - data = _winreg.EnumValue(key, i) - dict[data[0]] = data[1] - return dict |