diff options
author | Kirill Ponomarev <krion@FreeBSD.org> | 2005-08-05 12:23:32 +0000 |
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committer | Kirill Ponomarev <krion@FreeBSD.org> | 2005-08-05 12:23:32 +0000 |
commit | 6f6c8771fd8ef6f50d83ac39c7ccb613cc0b0ae0 (patch) | |
tree | 4a3fea9cccbdaf1769d6b66a14147aa6f258b1f1 /textproc/py-tvgrab | |
parent | Add MASTER_SITE_LOCAL is additional MASTER_SITE. (diff) |
Fix package build.
Approved by: portmgr (implicit)
Notes
Notes:
svn path=/head/; revision=140786
Diffstat (limited to 'textproc/py-tvgrab')
-rw-r--r-- | textproc/py-tvgrab/Makefile | 13 | ||||
-rw-r--r-- | textproc/py-tvgrab/files/timezone.py | 933 |
2 files changed, 936 insertions, 10 deletions
diff --git a/textproc/py-tvgrab/Makefile b/textproc/py-tvgrab/Makefile index a60cf9974297..fdc205cb1112 100644 --- a/textproc/py-tvgrab/Makefile +++ b/textproc/py-tvgrab/Makefile @@ -7,7 +7,7 @@ PORTNAME= TVGrab PORTVERSION= 0.5.1 -PORTREVISION= 1 +PORTREVISION= 2 CATEGORIES= textproc python MASTER_SITES= ${MASTER_SITE_SOURCEFORGE_EXTENDED} MASTER_SITE_SUBDIR= pytvgrab @@ -26,17 +26,10 @@ USE_PYDISTUTILS= yes PORTDOCS= README post-extract: -# use tz.py from devel/py-dateutil - @${INSTALL_DATA} ${PY_DATEUTIL_WRKSRC}/dateutil/tz.py \ - ${WRKSRC}/lib/timezone.py + @${CP} ${FILESDIR}/timezone.py ${WRKSRC}/lib/timezone.py post-install: @${MKDIR} ${DOCSDIR} @${INSTALL_DATA} ${WRKSRC}/README ${DOCSDIR} -.include <bsd.port.pre.mk> - -PY_DATEUTIL_PORTDIR=${PORTSDIR}/devel/py-dateutil -PY_DATEUTIL_WRKSRC!=cd ${PY_DATEUTIL_PORTDIR} && ${MAKE} -V WRKSRC - -.include <bsd.port.post.mk> +.include <bsd.port.mk> diff --git a/textproc/py-tvgrab/files/timezone.py b/textproc/py-tvgrab/files/timezone.py new file mode 100644 index 000000000000..947d07729667 --- /dev/null +++ b/textproc/py-tvgrab/files/timezone.py @@ -0,0 +1,933 @@ +""" +Copyright (c) 2003-2005 Gustavo Niemeyer <gustavo@niemeyer.net> + +This module offers extensions to the standard python 2.3+ +datetime module. +""" +__author__ = "Gustavo Niemeyer <gustavo@niemeyer.net>" +__license__ = "PSF License" + +import datetime +import struct +import time +import sys +import os + +relativedelta = None +parser = None +rrule = None + +__all__ = ["tzutc", "tzoffset", "tzlocal", "tzfile", "tzrange", + "tzstr", "tzical", "tzwin", "tzwinlocal", "gettz"] + +try: + from dateutil.tzwin import tzwin, tzwinlocal +except (ImportError, OSError): + tzwin, tzwinlocal = None, None + +ZERO = datetime.timedelta(0) +EPOCHORDINAL = datetime.datetime.utcfromtimestamp(0).toordinal() + +class tzutc(datetime.tzinfo): + + def utcoffset(self, dt): + return ZERO + + def dst(self, dt): + return ZERO + + def tzname(self, dt): + return "UTC" + + def __eq__(self, other): + return (isinstance(other, tzutc) or + (isinstance(other, tzoffset) and other._offset == ZERO)) + + def __ne__(self, other): + return not self.__eq__(other) + + def __repr__(self): + return "%s()" % self.__class__.__name__ + + __reduce__ = object.__reduce__ + +class tzoffset(datetime.tzinfo): + + def __init__(self, name, offset): + self._name = name + self._offset = datetime.timedelta(seconds=offset) + + def utcoffset(self, dt): + return self._offset + + def dst(self, dt): + return ZERO + + def tzname(self, dt): + return self._name + + def __eq__(self, other): + return (isinstance(other, tzoffset) and + self._offset == other._offset) + + def __ne__(self, other): + return not self.__eq__(other) + + def __repr__(self): + return "%s(%s, %s)" % (self.__class__.__name__, + `self._name`, + self._offset.days*86400+self._offset.seconds) + + __reduce__ = object.__reduce__ + +class tzlocal(datetime.tzinfo): + + _std_offset = datetime.timedelta(seconds=-time.timezone) + if time.daylight: + _dst_offset = datetime.timedelta(seconds=-time.altzone) + else: + _dst_offset = _std_offset + + def utcoffset(self, dt): + if self._isdst(dt): + return self._dst_offset + else: + return self._std_offset + + def dst(self, dt): + if self._isdst(dt): + return self._dst_offset-self._std_offset + else: + return ZERO + + def tzname(self, dt): + return time.tzname[self._isdst(dt)] + + def _isdst(self, dt): + # We can't use mktime here. It is unstable when deciding if + # the hour near to a change is DST or not. + # + # timestamp = time.mktime((dt.year, dt.month, dt.day, dt.hour, + # dt.minute, dt.second, dt.weekday(), 0, -1)) + # return time.localtime(timestamp).tm_isdst + # + # The code above yields the following result: + # + #>>> import tz, datetime + #>>> t = tz.tzlocal() + #>>> datetime.datetime(2003,2,15,23,tzinfo=t).tzname() + #'BRDT' + #>>> datetime.datetime(2003,2,16,0,tzinfo=t).tzname() + #'BRST' + #>>> datetime.datetime(2003,2,15,23,tzinfo=t).tzname() + #'BRST' + #>>> datetime.datetime(2003,2,15,22,tzinfo=t).tzname() + #'BRDT' + #>>> datetime.datetime(2003,2,15,23,tzinfo=t).tzname() + #'BRDT' + # + # Here is a more stable implementation: + # + timestamp = ((dt.toordinal() - EPOCHORDINAL) * 86400 + + dt.hour * 3600 + + dt.minute * 60 + + dt.second) + return time.localtime(timestamp+time.timezone).tm_isdst + + def __eq__(self, other): + if not isinstance(other, tzlocal): + return False + return (self._std_offset == other._std_offset and + self._dst_offset == other._dst_offset) + return True + + def __ne__(self, other): + return not self.__eq__(other) + + def __repr__(self): + return "%s()" % self.__class__.__name__ + + __reduce__ = object.__reduce__ + +class _ttinfo(object): + __slots__ = ["offset", "delta", "isdst", "abbr", "isstd", "isgmt"] + + def __init__(self): + for attr in self.__slots__: + setattr(self, attr, None) + + def __repr__(self): + l = [] + for attr in self.__slots__: + value = getattr(self, attr) + if value is not None: + l.append("%s=%s" % (attr, `value`)) + return "%s(%s)" % (self.__class__.__name__, ", ".join(l)) + + def __eq__(self, other): + if not isinstance(other, _ttinfo): + return False + return (self.offset == other.offset and + self.delta == other.delta and + self.isdst == other.isdst and + self.abbr == other.abbr and + self.isstd == other.isstd and + self.isgmt == other.isgmt) + + def __ne__(self, other): + return not self.__eq__(other) + + def __getstate__(self): + state = {} + for name in self.__slots__: + state[name] = getattr(self, name, None) + return state + + def __setstate__(self, state): + for name in self.__slots__: + if name in state: + setattr(self, name, state[name]) + +class tzfile(datetime.tzinfo): + + # http://www.twinsun.com/tz/tz-link.htm + # ftp://elsie.nci.nih.gov/pub/tz*.tar.gz + + def __init__(self, fileobj): + if isinstance(fileobj, basestring): + self._filename = fileobj + fileobj = open(fileobj) + elif hasattr(fileobj, "name"): + self._filename = fileobj.name + else: + self._filename = `fileobj` + + # From tzfile(5): + # + # The time zone information files used by tzset(3) + # begin with the magic characters "TZif" to identify + # them as time zone information files, followed by + # sixteen bytes reserved for future use, followed by + # six four-byte values of type long, written in a + # ``standard'' byte order (the high-order byte + # of the value is written first). + + if fileobj.read(4) != "TZif": + raise ValueError, "magic not found" + + fileobj.read(16) + + ( + # The number of UTC/local indicators stored in the file. + ttisgmtcnt, + + # The number of standard/wall indicators stored in the file. + ttisstdcnt, + + # The number of leap seconds for which data is + # stored in the file. + leapcnt, + + # The number of "transition times" for which data + # is stored in the file. + timecnt, + + # The number of "local time types" for which data + # is stored in the file (must not be zero). + typecnt, + + # The number of characters of "time zone + # abbreviation strings" stored in the file. + charcnt, + + ) = struct.unpack(">6l", fileobj.read(24)) + + # The above header is followed by tzh_timecnt four-byte + # values of type long, sorted in ascending order. + # These values are written in ``standard'' byte order. + # Each is used as a transition time (as returned by + # time(2)) at which the rules for computing local time + # change. + + if timecnt: + self._trans_list = struct.unpack(">%dl" % timecnt, + fileobj.read(timecnt*4)) + else: + self._trans_list = [] + + # Next come tzh_timecnt one-byte values of type unsigned + # char; each one tells which of the different types of + # ``local time'' types described in the file is associated + # with the same-indexed transition time. These values + # serve as indices into an array of ttinfo structures that + # appears next in the file. + + if timecnt: + self._trans_idx = struct.unpack(">%dB" % timecnt, + fileobj.read(timecnt)) + else: + self._trans_idx = [] + + # Each ttinfo structure is written as a four-byte value + # for tt_gmtoff of type long, in a standard byte + # order, followed by a one-byte value for tt_isdst + # and a one-byte value for tt_abbrind. In each + # structure, tt_gmtoff gives the number of + # seconds to be added to UTC, tt_isdst tells whether + # tm_isdst should be set by localtime(3), and + # tt_abbrind serves as an index into the array of + # time zone abbreviation characters that follow the + # ttinfo structure(s) in the file. + + ttinfo = [] + + for i in range(typecnt): + ttinfo.append(struct.unpack(">lbb", fileobj.read(6))) + + abbr = fileobj.read(charcnt) + + # Then there are tzh_leapcnt pairs of four-byte + # values, written in standard byte order; the + # first value of each pair gives the time (as + # returned by time(2)) at which a leap second + # occurs; the second gives the total number of + # leap seconds to be applied after the given time. + # The pairs of values are sorted in ascending order + # by time. + + # Not used, for now + if leapcnt: + leap = struct.unpack(">%dl" % leapcnt*2, + fileobj.read(leapcnt*8)) + + # Then there are tzh_ttisstdcnt standard/wall + # indicators, each stored as a one-byte value; + # they tell whether the transition times associated + # with local time types were specified as standard + # time or wall clock time, and are used when + # a time zone file is used in handling POSIX-style + # time zone environment variables. + + if ttisstdcnt: + isstd = struct.unpack(">%db" % ttisstdcnt, + fileobj.read(ttisstdcnt)) + + # Finally, there are tzh_ttisgmtcnt UTC/local + # indicators, each stored as a one-byte value; + # they tell whether the transition times associated + # with local time types were specified as UTC or + # local time, and are used when a time zone file + # is used in handling POSIX-style time zone envi- + # ronment variables. + + if ttisgmtcnt: + isgmt = struct.unpack(">%db" % ttisgmtcnt, + fileobj.read(ttisgmtcnt)) + + # ** Everything has been read ** + + # Build ttinfo list + self._ttinfo_list = [] + for i in range(typecnt): + tti = _ttinfo() + tti.offset = ttinfo[i][0] + tti.delta = datetime.timedelta(seconds=ttinfo[i][0]) + tti.isdst = ttinfo[i][1] + tti.abbr = abbr[ttinfo[i][2]:abbr.find('\x00', ttinfo[i][2])] + tti.isstd = (ttisstdcnt > i and isstd[i] != 0) + tti.isgmt = (ttisgmtcnt > i and isgmt[i] != 0) + self._ttinfo_list.append(tti) + + # Replace ttinfo indexes for ttinfo objects. + trans_idx = [] + for idx in self._trans_idx: + trans_idx.append(self._ttinfo_list[idx]) + self._trans_idx = tuple(trans_idx) + + # Set standard, dst, and before ttinfos. before will be + # used when a given time is before any transitions, + # and will be set to the first non-dst ttinfo, or to + # the first dst, if all of them are dst. + self._ttinfo_std = None + self._ttinfo_dst = None + self._ttinfo_before = None + if self._ttinfo_list: + if not self._trans_list: + self._ttinfo_std = self._ttinfo_first = self._ttinfo_list[0] + else: + for i in range(timecnt-1,-1,-1): + tti = self._trans_idx[i] + if not self._ttinfo_std and not tti.isdst: + self._ttinfo_std = tti + elif not self._ttinfo_dst and tti.isdst: + self._ttinfo_dst = tti + if self._ttinfo_std and self._ttinfo_dst: + break + else: + if self._ttinfo_dst and not self._ttinfo_std: + self._ttinfo_std = self._ttinfo_dst + + for tti in self._ttinfo_list: + if not tti.isdst: + self._ttinfo_before = tti + break + else: + self._ttinfo_before = self._ttinfo_list[0] + + # Now fix transition times to become relative to wall time. + # + # I'm not sure about this. In my tests, the tz source file + # is setup to wall time, and in the binary file isstd and + # isgmt are off, so it should be in wall time. OTOH, it's + # always in gmt time. Let me know if you have comments + # about this. + laststdoffset = 0 + self._trans_list = list(self._trans_list) + for i in range(len(self._trans_list)): + tti = self._trans_idx[i] + if not tti.isdst: + # This is std time. + self._trans_list[i] += tti.offset + laststdoffset = tti.offset + else: + # This is dst time. Convert to std. + self._trans_list[i] += laststdoffset + self._trans_list = tuple(self._trans_list) + + def _find_ttinfo(self, dt, laststd=0): + timestamp = ((dt.toordinal() - EPOCHORDINAL) * 86400 + + dt.hour * 3600 + + dt.minute * 60 + + dt.second) + idx = 0 + for trans in self._trans_list: + if timestamp < trans: + break + idx += 1 + else: + return self._ttinfo_std + if idx == 0: + return self._ttinfo_before + if laststd: + while idx > 0: + tti = self._trans_idx[idx-1] + if not tti.isdst: + return tti + idx -= 1 + else: + return self._ttinfo_std + else: + return self._trans_idx[idx-1] + + def utcoffset(self, dt): + if not self._ttinfo_std: + return ZERO + return self._find_ttinfo(dt).delta + + def dst(self, dt): + if not self._ttinfo_dst: + return ZERO + tti = self._find_ttinfo(dt) + if not tti.isdst: + return ZERO + + # The documentation says that utcoffset()-dst() must + # be constant for every dt. + return self._find_ttinfo(dt, laststd=1).delta-tti.delta + + # An alternative for that would be: + # + # return self._ttinfo_dst.offset-self._ttinfo_std.offset + # + # However, this class stores historical changes in the + # dst offset, so I belive that this wouldn't be the right + # way to implement this. + + def tzname(self, dt): + if not self._ttinfo_std: + return None + return self._find_ttinfo(dt).abbr + + def __eq__(self, other): + if not isinstance(other, tzfile): + return False + return (self._trans_list == other._trans_list and + self._trans_idx == other._trans_idx and + self._ttinfo_list == other._ttinfo_list) + + def __ne__(self, other): + return not self.__eq__(other) + + + def __repr__(self): + return "%s(%s)" % (self.__class__.__name__, `self._filename`) + + def __reduce__(self): + if not os.path.isfile(self._filename): + raise ValueError, "Unpickable %s class" % self.__class__.__name__ + return (self.__class__, (self._filename,)) + +class tzrange(datetime.tzinfo): + + def __init__(self, stdabbr, stdoffset=None, + dstabbr=None, dstoffset=None, + start=None, end=None): + global relativedelta + if not relativedelta: + from dateutil import relativedelta + self._std_abbr = stdabbr + self._dst_abbr = dstabbr + if stdoffset is not None: + self._std_offset = datetime.timedelta(seconds=stdoffset) + else: + self._std_offset = ZERO + if dstoffset is not None: + self._dst_offset = datetime.timedelta(seconds=dstoffset) + elif dstabbr and stdoffset is not None: + self._dst_offset = self._std_offset+datetime.timedelta(hours=+1) + else: + self._dst_offset = ZERO + if start is None: + self._start_delta = relativedelta.relativedelta( + hours=+2, month=4, day=1, weekday=relativedelta.SU(+1)) + else: + self._start_delta = start + if end is None: + self._end_delta = relativedelta.relativedelta( + hours=+1, month=10, day=31, weekday=relativedelta.SU(-1)) + else: + self._end_delta = end + + def utcoffset(self, dt): + if self._isdst(dt): + return self._dst_offset + else: + return self._std_offset + + def dst(self, dt): + if self._isdst(dt): + return self._dst_offset-self._std_offset + else: + return ZERO + + def tzname(self, dt): + if self._isdst(dt): + return self._dst_abbr + else: + return self._std_abbr + + def _isdst(self, dt): + if not self._start_delta: + return False + year = datetime.date(dt.year,1,1) + start = year+self._start_delta + end = year+self._end_delta + dt = dt.replace(tzinfo=None) + if start < end: + return dt >= start and dt < end + else: + return dt >= start or dt < end + + def __eq__(self, other): + if not isinstance(other, tzrange): + return False + return (self._std_abbr == other._std_abbr and + self._dst_abbr == other._dst_abbr and + self._std_offset == other._std_offset and + self._dst_offset == other._dst_offset and + self._start_delta == other._start_delta and + self._end_delta == other._end_delta) + + def __ne__(self, other): + return not self.__eq__(other) + + def __repr__(self): + return "%s(...)" % self.__class__.__name__ + + __reduce__ = object.__reduce__ + +class tzstr(tzrange): + + def __init__(self, s): + global parser + if not parser: + from dateutil import parser + self._s = s + + res = parser._parsetz(s) + if res is None: + raise ValueError, "unknown string format" + + # We must initialize it first, since _delta() needs + # _std_offset and _dst_offset set. Use False in start/end + # to avoid building it two times. + tzrange.__init__(self, res.stdabbr, res.stdoffset, + res.dstabbr, res.dstoffset, + start=False, end=False) + + self._start_delta = self._delta(res.start) + if self._start_delta: + self._end_delta = self._delta(res.end, isend=1) + + def _delta(self, x, isend=0): + kwargs = {} + if x.month is not None: + kwargs["month"] = x.month + if x.weekday is not None: + kwargs["weekday"] = relativedelta.weekday(x.weekday, x.week) + if x.week > 0: + kwargs["day"] = 1 + else: + kwargs["day"] = 31 + elif x.day: + kwargs["day"] = x.day + elif x.yday is not None: + kwargs["yearday"] = x.yday + elif x.jyday is not None: + kwargs["nlyearday"] = x.jyday + if not kwargs: + # Default is to start on first sunday of april, and end + # on last sunday of october. + if not isend: + kwargs["month"] = 4 + kwargs["day"] = 1 + kwargs["weekday"] = relativedelta.SU(+1) + else: + kwargs["month"] = 10 + kwargs["day"] = 31 + kwargs["weekday"] = relativedelta.SU(-1) + if x.time is not None: + kwargs["seconds"] = x.time + else: + # Default is 2AM. + kwargs["seconds"] = 7200 + if isend: + # Convert to standard time, to follow the documented way + # of working with the extra hour. See the documentation + # of the tzinfo class. + delta = self._dst_offset-self._std_offset + kwargs["seconds"] -= delta.seconds+delta.days*86400 + return relativedelta.relativedelta(**kwargs) + + def __repr__(self): + return "%s(%s)" % (self.__class__.__name__, `self._s`) + +class _tzicalvtzcomp: + def __init__(self, tzoffsetfrom, tzoffsetto, isdst, + tzname=None, rrule=None): + self.tzoffsetfrom = datetime.timedelta(seconds=tzoffsetfrom) + self.tzoffsetto = datetime.timedelta(seconds=tzoffsetto) + self.tzoffsetdiff = self.tzoffsetto-self.tzoffsetfrom + self.isdst = isdst + self.tzname = tzname + self.rrule = rrule + +class _tzicalvtz(datetime.tzinfo): + def __init__(self, tzid, comps=[]): + self._tzid = tzid + self._comps = comps + self._cachedate = [] + self._cachecomp = [] + + def _find_comp(self, dt): + if len(self._comps) == 1: + return self._comps[0] + dt = dt.replace(tzinfo=None) + try: + return self._cachecomp[self._cachedate.index(dt)] + except ValueError: + pass + lastcomp = None + lastcompdt = None + for comp in self._comps: + if not comp.isdst: + # Handle the extra hour in DST -> STD + compdt = comp.rrule.before(dt-comp.tzoffsetdiff, inc=True) + else: + compdt = comp.rrule.before(dt, inc=True) + if compdt and (not lastcompdt or lastcompdt < compdt): + lastcompdt = compdt + lastcomp = comp + if not lastcomp: + # RFC says nothing about what to do when a given + # time is before the first onset date. We'll look for the + # first standard component, or the first component, if + # none is found. + for comp in self._comps: + if not comp.isdst: + lastcomp = comp + break + else: + lastcomp = comp[0] + self._cachedate.insert(0, dt) + self._cachecomp.insert(0, lastcomp) + if len(self._cachedate) > 10: + self._cachedate.pop() + self._cachecomp.pop() + return lastcomp + + def utcoffset(self, dt): + return self._find_comp(dt).tzoffsetto + + def dst(self, dt): + comp = self._find_comp(dt) + if comp.isdst: + return comp.tzoffsetdiff + else: + return ZERO + + def tzname(self, dt): + return self._find_comp(dt).tzname + + def __repr__(self): + return "<tzicalvtz %s>" % `self._tzid` + + __reduce__ = object.__reduce__ + +class tzical: + def __init__(self, fileobj): + global rrule + if not rrule: + from dateutil import rrule + + if isinstance(fileobj, basestring): + self._s = fileobj + fileobj = open(fileobj) + elif hasattr(fileobj, "name"): + self._s = fileobj.name + else: + self._s = `fileobj` + + self._vtz = {} + + self._parse_rfc(fileobj.read()) + + def keys(self): + return self._vtz.keys() + + def get(self, tzid=None): + if tzid is None: + keys = self._vtz.keys() + if len(keys) == 0: + raise "no timezones defined" + elif len(keys) > 1: + raise "more than one timezone available" + tzid = keys[0] + return self._vtz.get(tzid) + + def _parse_offset(self, s): + s = s.strip() + if not s: + raise ValueError, "empty offset" + if s[0] in ('+', '-'): + signal = (-1,+1)[s[0]=='+'] + s = s[1:] + else: + signal = +1 + if len(s) == 4: + return (int(s[:2])*3600+int(s[2:])*60)*signal + elif len(s) == 6: + return (int(s[:2])*3600+int(s[2:4])*60+int(s[4:]))*signal + else: + raise ValueError, "invalid offset: "+s + + def _parse_rfc(self, s): + lines = s.splitlines() + if not lines: + raise ValueError, "empty string" + + # Unfold + i = 0 + while i < len(lines): + line = lines[i].rstrip() + if not line: + del lines[i] + elif i > 0 and line[0] == " ": + lines[i-1] += line[1:] + del lines[i] + else: + i += 1 + + invtz = False + comptype = None + for line in lines: + if not line: + continue + name, value = line.split(':', 1) + parms = name.split(';') + if not parms: + raise ValueError, "empty property name" + name = parms[0].upper() + parms = parms[1:] + if invtz: + if name == "BEGIN": + if value in ("STANDARD", "DAYLIGHT"): + # Process component + pass + else: + raise ValueError, "unknown component: "+value + comptype = value + founddtstart = False + tzoffsetfrom = None + tzoffsetto = None + rrulelines = [] + tzname = None + elif name == "END": + if value == "VTIMEZONE": + if comptype: + raise ValueError, \ + "component not closed: "+comptype + if not tzid: + raise ValueError, \ + "mandatory TZID not found" + if not comps: + raise ValueError, \ + "at least one component is needed" + # Process vtimezone + self._vtz[tzid] = _tzicalvtz(tzid, comps) + invtz = False + elif value == comptype: + if not founddtstart: + raise ValueError, \ + "mandatory DTSTART not found" + if tzoffsetfrom is None: + raise ValueError, \ + "mandatory TZOFFSETFROM not found" + if tzoffsetto is None: + raise ValueError, \ + "mandatory TZOFFSETFROM not found" + # Process component + rr = None + if rrulelines: + rr = rrule.rrulestr("\n".join(rrulelines), + compatible=True, + ignoretz=True, + cache=True) + comp = _tzicalvtzcomp(tzoffsetfrom, tzoffsetto, + (comptype == "DAYLIGHT"), + tzname, rr) + comps.append(comp) + comptype = None + else: + raise ValueError, \ + "invalid component end: "+value + elif comptype: + if name == "DTSTART": + rrulelines.append(line) + founddtstart = True + elif name in ("RRULE", "RDATE", "EXRULE", "EXDATE"): + rrulelines.append(line) + elif name == "TZOFFSETFROM": + if parms: + raise ValueError, \ + "unsupported %s parm: %s "%(name, parms[0]) + tzoffsetfrom = self._parse_offset(value) + elif name == "TZOFFSETTO": + if parms: + raise ValueError, \ + "unsupported TZOFFSETTO parm: "+parms[0] + tzoffsetto = self._parse_offset(value) + elif name == "TZNAME": + if parms: + raise ValueError, \ + "unsupported TZNAME parm: "+parms[0] + tzname = value + elif name == "COMMENT": + pass + else: + raise ValueError, "unsupported property: "+name + else: + if name == "TZID": + if parms: + raise ValueError, \ + "unsupported TZID parm: "+parms[0] + tzid = value + elif name in ("TZURL", "LAST-MODIFIED", "COMMENT"): + pass + else: + raise ValueError, "unsupported property: "+name + elif name == "BEGIN" and value == "VTIMEZONE": + tzid = None + comps = [] + invtz = True + + def __repr__(self): + return "%s(%s)" % (self.__class__.__name__, `self._s`) + +if sys.platform != "win32": + TZFILES = ["/etc/localtime", "localtime"] + TZPATHS = ["/usr/share/zoneinfo", "/usr/lib/zoneinfo", "/etc/zoneinfo"] +else: + TZFILES = [] + TZPATHS = [] + +def gettz(name=None): + tz = None + if not name: + try: + name = os.environ["TZ"] + except KeyError: + pass + if name is None or name == ":": + for filepath in TZFILES: + if not os.path.isabs(filepath): + filename = filepath + for path in TZPATHS: + filepath = os.path.join(path, filename) + if os.path.isfile(filepath): + break + else: + continue + if os.path.isfile(filepath): + try: + tz = tzfile(filepath) + break + except (IOError, OSError, ValueError): + pass + else: + if name.startswith(":"): + name = name[:-1] + if os.path.isabs(name): + if os.path.isfile(name): + tz = tzfile(name) + else: + tz = None + else: + for path in TZPATHS: + filepath = os.path.join(path, name) + if not os.path.isfile(filepath): + filepath = filepath.replace(' ','_') + if not os.path.isfile(filepath): + continue + try: + tz = tzfile(filepath) + break + except (IOError, OSError, ValueError): + pass + else: + tz = None + if tzwin: + try: + tz = tzwin(name) + except OSError: + pass + if not tz: + from dateutil.zoneinfo import gettz + tz = gettz(name) + if not tz: + for c in name: + # name must have at least one offset to be a tzstr + if c in "0123456789": + try: + tz = tzstr(name) + except ValueError: + pass + break + else: + if name in ("GMT", "UTC"): + tz = tzutc() + elif name in time.tzname: + tz = tzlocal() + return tz + +# vim:ts=4:sw=4:et |