\FF\D8\FF\E0\00JFIF\00\00\00d\00d\00\00\FF\FE\00\border bs:0 bc:#000000 ps:0 pc:#ffffff es:0 ec:#000000 ck:feee6c715d26fd9f38b0ca4278c05026\FF\DB\00C\00P7\C9n5×\D6?\BDê\9Ds\EBp\9F[`8m\B7)o\B5\E8\E6I\99\FE3]]A2\BA\8Cw\D6E\93\\DEv\C8\009\F2\F1NI?uc\\F5\EA\96k\xN<~buv\EA\C8\D7 \8B\84\CEcxI\BBg\AE\9E=\D6+n\EC\80\C8A\8C\AE\EB\CF\D5\DA\E9"2\A4\B9j5\EB\F3W\B63\96\B30Yu\DA\FC8\ED\DF\E7Ms\FB\F1\8E\B3\FA\EA\E8\E6(\883zs\F2_\8DFk\8Bh \00\8C\DCw\D3R\B5+6X\BA\B2\C4j\AB0\B4\FCMw\C2I\8E\9B\E3\A9~9u\FA\D3l\80\C8%p\EE\FDn2€ \00 $\FEj\C4e\A9\DB\~\95\A7\A5\80EK\BB\8DDsP\00@@AD'k\CF\E8\DB\D2(\80\9AK\D3\85\D6lb\F2\BA\8C*\80\00)\95 59\A3R:\F3\CE"\B6\80\88\00\00i1u4ê\E9\F2á\A6\A2\FACM\93WMb*\E0*\00\00\00\00\00(\A8\80\00\00\80\00\00\00\00\00\00\00\00\00\FF\D9 C/// #!/usr/bin/env python ''' $Id: tzfile.py,v 1.8 2004/06/03 00:15:24 zenzen Exp $ ''' try: from cStringIO import StringIO except ImportError: from io import StringIO from datetime import datetime, timedelta from struct import unpack, calcsize from pytz.tzinfo import StaticTzInfo, DstTzInfo, memorized_ttinfo from pytz.tzinfo import memorized_datetime, memorized_timedelta def _byte_string(s): """Cast a string or byte string to an ASCII byte string.""" return s.encode('US-ASCII') _NULL = _byte_string('\0') def _std_string(s): """Cast a string or byte string to an ASCII string.""" return str(s.decode('US-ASCII')) def build_tzinfo(zone, fp): head_fmt = '>4s c 15x 6l' head_size = calcsize(head_fmt) (magic, format, ttisgmtcnt, ttisstdcnt,leapcnt, timecnt, typecnt, charcnt) = unpack(head_fmt, fp.read(head_size)) # Make sure it is a tzfile(5) file assert magic == _byte_string('TZif'), 'Got magic %s' % repr(magic) # Read out the transition times, localtime indices and ttinfo structures. data_fmt = '>%(timecnt)dl %(timecnt)dB %(ttinfo)s %(charcnt)ds' % dict( timecnt=timecnt, ttinfo='lBB'*typecnt, charcnt=charcnt) data_size = calcsize(data_fmt) data = unpack(data_fmt, fp.read(data_size)) # make sure we unpacked the right number of values assert len(data) == 2 * timecnt + 3 * typecnt + 1 transitions = [memorized_datetime(trans) for trans in data[:timecnt]] lindexes = list(data[timecnt:2 * timecnt]) ttinfo_raw = data[2 * timecnt:-1] tznames_raw = data[-1] del data # Process ttinfo into separate structs ttinfo = [] tznames = {} i = 0 while i < len(ttinfo_raw): # have we looked up this timezone name yet? tzname_offset = ttinfo_raw[i+2] if tzname_offset not in tznames: nul = tznames_raw.find(_NULL, tzname_offset) if nul < 0: nul = len(tznames_raw) tznames[tzname_offset] = _std_string( tznames_raw[tzname_offset:nul]) ttinfo.append((ttinfo_raw[i], bool(ttinfo_raw[i+1]), tznames[tzname_offset])) i += 3 # Now build the timezone object if len(transitions) == 0: ttinfo[0][0], ttinfo[0][2] cls = type(zone, (StaticTzInfo,), dict( zone=zone, _utcoffset=memorized_timedelta(ttinfo[0][0]), _tzname=ttinfo[0][2])) else: # Early dates use the first standard time ttinfo i = 0 while ttinfo[i][1]: i += 1 if ttinfo[i] == ttinfo[lindexes[0]]: transitions[0] = datetime.min else: transitions.insert(0, datetime.min) lindexes.insert(0, i) # calculate transition info transition_info = [] for i in range(len(transitions)): inf = ttinfo[lindexes[i]] utcoffset = inf[0] if not inf[1]: dst = 0 else: for j in range(i-1, -1, -1):