calendar.cpp

/* ====================================================================
 * Copyright (c) 2004-2011 Open Source Applications Foundation.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions: 
 *
 * The above copyright notice and this permission notice shall be included
 * in all copies or substantial portions of the Software. 
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 * ====================================================================
 */

#include "common.h"
#include "structmember.h"

#include "bases.h"
#include "locale.h"
#include "calendar.h"
#include "macros.h"

DECLARE_CONSTANTS_TYPE(UCalendarDateFields);
DECLARE_CONSTANTS_TYPE(UCalendarDaysOfWeek);
DECLARE_CONSTANTS_TYPE(UCalendarMonths);
DECLARE_CONSTANTS_TYPE(UCalendarAMPMs);

/* TimeZone */

static PyObject *t_timezone_getOffset(t_timezone *self, PyObject *args);
static PyObject *t_timezone_getRawOffset(t_timezone *self);
static PyObject *t_timezone_setRawOffset(t_timezone *self, PyObject *arg);
static PyObject *t_timezone_getID(t_timezone *self, PyObject *args);
static PyObject *t_timezone_setID(t_timezone *self, PyObject *arg);
static PyObject *t_timezone_getDisplayName(t_timezone *self, PyObject *args);
static PyObject *t_timezone_useDaylightTime(t_timezone *self);
static PyObject *t_timezone_inDaylightTime(t_timezone *self, PyObject *arg);
static PyObject *t_timezone_hasSameRules(t_timezone *self, PyObject *arg);
static PyObject *t_timezone_getDSTSavings(t_timezone *self);
static PyObject *t_timezone_getGMT(PyTypeObject *type);
static PyObject *t_timezone_createEnumeration(PyTypeObject *type,
                                              PyObject *args);
static PyObject *t_timezone_countEquivalentIDs(PyTypeObject *type,
                                               PyObject *arg);
static PyObject *t_timezone_getEquivalentID(PyTypeObject *type, PyObject *args);
#if U_ICU_VERSION_HEX >= VERSION_HEX(52, 0, 0)
static PyObject *t_timezone_getIDForWindowsID(PyTypeObject *type,
                                              PyObject *args);
static PyObject *t_timezone_getWindowsID(PyTypeObject *type, PyObject *arg);
#endif
static PyObject *t_timezone_createDefault(PyTypeObject *type);
static PyObject *t_timezone_setDefault(PyTypeObject *type, PyObject *arg);

static PyMethodDef t_timezone_methods[] = {
    DECLARE_METHOD(t_timezone, getOffset, METH_VARARGS),
    DECLARE_METHOD(t_timezone, getRawOffset, METH_NOARGS),
    DECLARE_METHOD(t_timezone, setRawOffset, METH_O),
    DECLARE_METHOD(t_timezone, getID, METH_VARARGS),
    DECLARE_METHOD(t_timezone, setID, METH_O),
    DECLARE_METHOD(t_timezone, getDisplayName, METH_VARARGS),
    DECLARE_METHOD(t_timezone, useDaylightTime, METH_NOARGS),
    DECLARE_METHOD(t_timezone, inDaylightTime, METH_O),
    DECLARE_METHOD(t_timezone, hasSameRules, METH_O),
    DECLARE_METHOD(t_timezone, getDSTSavings, METH_NOARGS),
    DECLARE_METHOD(t_timezone, getGMT, METH_NOARGS | METH_CLASS),
    DECLARE_METHOD(t_timezone, createTimeZone, METH_O | METH_CLASS),
    DECLARE_METHOD(t_timezone, createEnumeration, METH_VARARGS | METH_CLASS),
    DECLARE_METHOD(t_timezone, countEquivalentIDs, METH_O | METH_CLASS),
    DECLARE_METHOD(t_timezone, getEquivalentID, METH_VARARGS | METH_CLASS),
#if U_ICU_VERSION_HEX >= VERSION_HEX(52, 0, 0)
    DECLARE_METHOD(t_timezone, getIDForWindowsID, METH_VARARGS | METH_CLASS),
    DECLARE_METHOD(t_timezone, getWindowsID, METH_O | METH_CLASS),
#endif
    DECLARE_METHOD(t_timezone, createDefault, METH_NOARGS | METH_CLASS),
    DECLARE_METHOD(t_timezone, setDefault, METH_O | METH_CLASS),
    { NULL, NULL, 0, NULL }
};

DECLARE_TYPE(TimeZone, t_timezone, UObject, TimeZone, abstract_init, NULL);

/* SimpleTimeZone */

class t_simpletimezone : public _wrapper {
public:
    SimpleTimeZone *object;
};

static int t_simpletimezone_init(t_simpletimezone *self,
                                 PyObject *args, PyObject *kwds);
static PyObject *t_simpletimezone_setStartYear(t_simpletimezone *self,
                                               PyObject *arg);
static PyObject *t_simpletimezone_setStartRule(t_simpletimezone *self,
                                               PyObject *args);
static PyObject *t_simpletimezone_setEndRule(t_simpletimezone *self,
                                             PyObject *args);
static PyObject *t_simpletimezone_getOffset(t_simpletimezone *self,
                                            PyObject *args);
static PyObject *t_simpletimezone_setDSTSavings(t_simpletimezone *self,
                                                PyObject *arg);

static PyMethodDef t_simpletimezone_methods[] = {
    DECLARE_METHOD(t_simpletimezone, setStartYear, METH_O),
    DECLARE_METHOD(t_simpletimezone, setStartRule, METH_VARARGS),
    DECLARE_METHOD(t_simpletimezone, setEndRule, METH_VARARGS),
    DECLARE_METHOD(t_simpletimezone, getOffset, METH_VARARGS),
    DECLARE_METHOD(t_simpletimezone, setDSTSavings, METH_O),
    { NULL, NULL, 0, NULL }
};

DECLARE_TYPE(SimpleTimeZone, t_simpletimezone, TimeZone, SimpleTimeZone,
             t_simpletimezone_init, NULL);


/* Calendar */

class t_calendar : public _wrapper {
public:
    Calendar *object;
};

static PyObject *t_calendar_getTime(t_calendar *self);
static PyObject *t_calendar_setTime(t_calendar *self, PyObject *arg);
static PyObject *t_calendar_isEquivalentTo(t_calendar *self, PyObject *arg);
static PyObject *t_calendar_equals(t_calendar *self, PyObject *arg);
static PyObject *t_calendar_before(t_calendar *self, PyObject *arg);
static PyObject *t_calendar_after(t_calendar *self, PyObject *arg);
static PyObject *t_calendar_add(t_calendar *self, PyObject *args);
static PyObject *t_calendar_roll(t_calendar *self, PyObject *args);
static PyObject *t_calendar_fieldDifference(t_calendar *self, PyObject *args);
static PyObject *t_calendar_getTimeZone(t_calendar *self);
static PyObject *t_calendar_setTimeZone(t_calendar *self, PyObject *arg);
static PyObject *t_calendar_inDaylightTime(t_calendar *self);
static PyObject *t_calendar_isLenient(t_calendar *self);
static PyObject *t_calendar_setLenient(t_calendar *self, PyObject *arg);
static PyObject *t_calendar_getType(t_calendar *self);
static PyObject *t_calendar_getFirstDayOfWeek(t_calendar *self);
static PyObject *t_calendar_setFirstDayOfWeek(t_calendar *self, PyObject *arg);
static PyObject *t_calendar_getMinimalDaysInFirstWeek(t_calendar *self);
static PyObject *t_calendar_setMinimalDaysInFirstWeek(t_calendar *self, PyObject *arg);
static PyObject *t_calendar_getMinimum(t_calendar *self, PyObject *arg);
static PyObject *t_calendar_getMaximum(t_calendar *self, PyObject *arg);
static PyObject *t_calendar_getGreatestMinimum(t_calendar *self, PyObject *arg);
static PyObject *t_calendar_getActualMinimum(t_calendar *self, PyObject *arg);
static PyObject *t_calendar_getLeastMaximum(t_calendar *self, PyObject *arg);
static PyObject *t_calendar_getActualMaximum(t_calendar *self, PyObject *arg);
static PyObject *t_calendar_get(t_calendar *self, PyObject *arg);
static PyObject *t_calendar_isSet(t_calendar *self, PyObject *arg);
static PyObject *t_calendar_set(t_calendar *self, PyObject *args);
static PyObject *t_calendar_clear(t_calendar *self, PyObject *args);
static PyObject *t_calendar_haveDefaultCentury(t_calendar *self);
static PyObject *t_calendar_defaultCenturyStart(t_calendar *self);
static PyObject *t_calendar_defaultCenturyStartYear(t_calendar *self);
static PyObject *t_calendar_getLocale(t_calendar *self, PyObject *args);
static PyObject *t_calendar_getLocaleID(t_calendar *self, PyObject *args);
static PyObject *t_calendar_createInstance(PyTypeObject *type, PyObject *args);
static PyObject *t_calendar_getAvailableLocales(PyTypeObject *type);
static PyObject *t_calendar_getNow(PyTypeObject *type);

static PyMethodDef t_calendar_methods[] = {
    DECLARE_METHOD(t_calendar, getTime, METH_NOARGS),
    DECLARE_METHOD(t_calendar, setTime, METH_O),
    DECLARE_METHOD(t_calendar, isEquivalentTo, METH_O),
    DECLARE_METHOD(t_calendar, equals, METH_O),
    DECLARE_METHOD(t_calendar, before, METH_O),
    DECLARE_METHOD(t_calendar, after, METH_O),
    DECLARE_METHOD(t_calendar, add, METH_VARARGS),
    DECLARE_METHOD(t_calendar, roll, METH_VARARGS),
    DECLARE_METHOD(t_calendar, fieldDifference, METH_VARARGS),
    DECLARE_METHOD(t_calendar, getTimeZone, METH_NOARGS),
    DECLARE_METHOD(t_calendar, setTimeZone, METH_O),
    DECLARE_METHOD(t_calendar, inDaylightTime, METH_NOARGS),
    DECLARE_METHOD(t_calendar, isLenient, METH_NOARGS),
    DECLARE_METHOD(t_calendar, setLenient, METH_O),
    DECLARE_METHOD(t_calendar, getType, METH_NOARGS),
    DECLARE_METHOD(t_calendar, getFirstDayOfWeek, METH_NOARGS),
    DECLARE_METHOD(t_calendar, setFirstDayOfWeek, METH_O),
    DECLARE_METHOD(t_calendar, getMinimalDaysInFirstWeek, METH_NOARGS),
    DECLARE_METHOD(t_calendar, setMinimalDaysInFirstWeek, METH_O),
    DECLARE_METHOD(t_calendar, getMinimum, METH_O),
    DECLARE_METHOD(t_calendar, getMaximum, METH_O),
    DECLARE_METHOD(t_calendar, getGreatestMinimum, METH_O),
    DECLARE_METHOD(t_calendar, getActualMinimum, METH_O),
    DECLARE_METHOD(t_calendar, getLeastMaximum, METH_O),
    DECLARE_METHOD(t_calendar, getActualMaximum, METH_O),
    DECLARE_METHOD(t_calendar, get, METH_O),
    DECLARE_METHOD(t_calendar, isSet, METH_O),
    DECLARE_METHOD(t_calendar, set, METH_VARARGS),
    DECLARE_METHOD(t_calendar, clear, METH_VARARGS),
    DECLARE_METHOD(t_calendar, haveDefaultCentury, METH_NOARGS),
    DECLARE_METHOD(t_calendar, defaultCenturyStart, METH_NOARGS),
    DECLARE_METHOD(t_calendar, defaultCenturyStartYear, METH_NOARGS),
    DECLARE_METHOD(t_calendar, getLocale, METH_VARARGS),
    DECLARE_METHOD(t_calendar, getLocaleID, METH_VARARGS),
    DECLARE_METHOD(t_calendar, createInstance, METH_VARARGS | METH_CLASS),
    DECLARE_METHOD(t_calendar, getAvailableLocales, METH_NOARGS | METH_CLASS),
    DECLARE_METHOD(t_calendar, getNow, METH_NOARGS | METH_CLASS),
    { NULL, NULL, 0, NULL }
};

DECLARE_TYPE(Calendar, t_calendar, UObject, Calendar, abstract_init, NULL);

/* GregorianCalendar */

class t_gregoriancalendar : public _wrapper {
public:
    GregorianCalendar *object;
};

static int t_gregoriancalendar_init(t_gregoriancalendar *self,
                                    PyObject *args, PyObject *kwds);
static PyObject *t_gregoriancalendar_getGregorianChange(t_gregoriancalendar *self);
static PyObject *t_gregoriancalendar_setGregorianChange(t_gregoriancalendar *self, PyObject *arg);
static PyObject *t_gregoriancalendar_isLeapYear(t_gregoriancalendar *self, PyObject *arg);

static PyMethodDef t_gregoriancalendar_methods[] = {
    DECLARE_METHOD(t_gregoriancalendar, getGregorianChange, METH_NOARGS),
    DECLARE_METHOD(t_gregoriancalendar, setGregorianChange, METH_O),
    DECLARE_METHOD(t_gregoriancalendar, isLeapYear, METH_O),
    { NULL, NULL, 0, NULL }
};

DECLARE_TYPE(GregorianCalendar, t_gregoriancalendar, Calendar,
             GregorianCalendar, t_gregoriancalendar_init, NULL);


/* TimeZone */

PyObject *wrap_TimeZone(TimeZone *tz)
{
    RETURN_WRAPPED_IF_ISINSTANCE(tz, SimpleTimeZone);
    return wrap_TimeZone(tz, T_OWNED);
}

PyObject *wrap_TimeZone(const TimeZone &tz)
{
    return wrap_TimeZone(tz.clone());
}

static PyObject *t_timezone_getOffset(t_timezone *self, PyObject *args)
{
    UDate date;
    int local, rawOffset, dstOffset, offset;
    int era, year, month, day, dayOfWeek, millis, monthLength;

    switch (PyTuple_Size(args)) {
      case 2:
        if (!parseArgs(args, "Db", &date, &local))
        {
            STATUS_CALL(self->object->getOffset(date, (UBool) local,
                                                rawOffset, dstOffset, status));
            return Py_BuildValue("(ii)", rawOffset, dstOffset);
        }
        break;
      case 6:
        if (!parseArgs(args, "iiiiii", &era, &year, &month, &day, &dayOfWeek,
                       &millis))
        {
            STATUS_CALL(offset = self->object->getOffset((uint8_t) era, year, month, day, dayOfWeek, millis, status));
            return PyInt_FromLong(offset);
        }
        break;
      case 7:
        if (!parseArgs(args, "iiiiiii", &era, &year, &month, &day, &dayOfWeek,
                       &millis, &monthLength))
        {
            STATUS_CALL(offset = self->object->getOffset((uint8_t) era, year, month, day, dayOfWeek, millis, monthLength, status));
            return PyInt_FromLong(offset);
        }
        break;
    }
    
    return PyErr_SetArgsError((PyObject *) self, "getOffset", args);
}

static PyObject *t_timezone_getRawOffset(t_timezone *self)
{
    return PyInt_FromLong(self->object->getRawOffset());
}

static PyObject *t_timezone_setRawOffset(t_timezone *self, PyObject *arg)
{
    int offset;

    if (!parseArg(arg, "i", &offset))
    {
        self->object->setRawOffset(offset);
        Py_RETURN_NONE;
    }

    return PyErr_SetArgsError((PyObject *) self, "setRawOffset", arg);
}

static PyObject *t_timezone_getID(t_timezone *self, PyObject *args)
{
    UnicodeString *u;
    UnicodeString _u;

    switch (PyTuple_Size(args)) {
      case 0:
        self->object->getID(_u);
        return PyUnicode_FromUnicodeString(&_u);
      case 1:
        if (!parseArgs(args, "U", &u))
        {
            self->object->getID(*u);
            Py_RETURN_ARG(args, 0);
        }
        break;
    }

    return PyErr_SetArgsError((PyObject *) self, "getID", args);
}

static PyObject *t_timezone_setID(t_timezone *self, PyObject *arg)
{
    UnicodeString *u, _u;

    if (!parseArg(arg, "S", &u, &_u))
    {
        self->object->setID(*u); /* copied */
        Py_RETURN_NONE;
    }

    return PyErr_SetArgsError((PyObject *) self, "setID", arg);
}

static PyObject *t_timezone_getDisplayName(t_timezone *self, PyObject *args)
{
    UnicodeString *u, _u;
    int daylight;
    Locale *locale;
    TimeZone::EDisplayType type;

    switch (PyTuple_Size(args)) {
      case 0:
        self->object->getDisplayName(_u);
        return PyUnicode_FromUnicodeString(&_u);
      case 1:
        if (!parseArgs(args, "P", TYPE_CLASSID(Locale), &locale))
        {
            self->object->getDisplayName(*locale, _u);
            return PyUnicode_FromUnicodeString(&_u);
        }
        if (!parseArgs(args, "U", &u))
        {
            self->object->getDisplayName(*u);
            Py_RETURN_ARG(args, 0);
        }
        break;
      case 2:
        if (!parseArgs(args, "bi", &daylight, &type))
        {
            self->object->getDisplayName((UBool) daylight, type, _u);
            return PyUnicode_FromUnicodeString(&_u);
        }
        if (!parseArgs(args, "PU", TYPE_CLASSID(Locale),
                       &locale, &u))
        {
            self->object->getDisplayName(*locale, *u);
            Py_RETURN_ARG(args, 1);
        }
        break;
      case 3:
        if (!parseArgs(args, "biP", TYPE_CLASSID(Locale),
                       &daylight, &type, &locale))
        {
            self->object->getDisplayName((UBool) daylight, type, *locale, _u);
            return PyUnicode_FromUnicodeString(&_u);
        }
        if (!parseArgs(args, "biU", &daylight, &type, &u))
        {
            self->object->getDisplayName((UBool) daylight, type, *u);
            Py_RETURN_ARG(args, 2);
        }
        break;
      case 4:
        if (!parseArgs(args, "biPU", TYPE_CLASSID(Locale),
                       &daylight, &type, &locale, &u))
        {
            self->object->getDisplayName((UBool) daylight, type, *locale, *u);
            Py_RETURN_ARG(args, 3);
        }
        break;
    }
        
    return PyErr_SetArgsError((PyObject *) self, "getDisplayName", args);
}

static PyObject *t_timezone_useDaylightTime(t_timezone *self)
{
    UBool b = self->object->useDaylightTime();
    Py_RETURN_BOOL(b);
}

static PyObject *t_timezone_inDaylightTime(t_timezone *self, PyObject *arg)
{
    UDate date;
    UBool b;

    if (!parseArg(arg, "D", &date))
    {
        STATUS_CALL(b = self->object->inDaylightTime(date, status));
        Py_RETURN_BOOL(b);
    }

    return PyErr_SetArgsError((PyObject *) self, "inDaylightTime", arg);
}

static PyObject *t_timezone_hasSameRules(t_timezone *self, PyObject *arg)
{
    TimeZone *tz;
    UBool b;

    if (!parseArg(arg, "P", TYPE_CLASSID(TimeZone), &tz))
    {
        b = self->object->hasSameRules(*tz);
        Py_RETURN_BOOL(b);
    }

    return PyErr_SetArgsError((PyObject *) self, "hasSameRules", arg);
}

static PyObject *t_timezone_getDSTSavings(t_timezone *self)
{
    return PyInt_FromLong(self->object->getDSTSavings());
}

static PyObject *t_timezone_getGMT(PyTypeObject *type)
{
    return wrap_TimeZone((TimeZone *) TimeZone::getGMT(), 0);
}

PyObject *t_timezone_createTimeZone(PyTypeObject *type, PyObject *arg)
{
    UnicodeString *u;
    UnicodeString _u;

    if (!parseArg(arg, "S", &u, &_u))
    {
        TimeZone *tz = TimeZone::createTimeZone(*u);
        const TimeZone *gmt = TimeZone::getGMT();
        UnicodeString tzid, GMT;
        
        /* PyICU bug 8180 and ICU bug 5612:
         *    https://bugzilla.osafoundation.org/show_bug.cgi?id=8180
         *    http://bugs.icu-project.org/trac/ticket/5612
         * Only an Olson ID can be used with createTimeZone().
         * If GMT is returned, it means the requested id was incorrect.
         * Matching it with the default timezone increases the likelihood of
         * returning a sensible timezone with the intended raw offset as the
         * non-Olson requested id is likely to have come from the OS's default
         * timezone id in the first place.
         */

        tz->getID(tzid);
        gmt->getID(GMT);

        if (tzid == GMT && *u != GMT)
        {
            TimeZone *deflt = TimeZone::createDefault();

            deflt->getID(tzid);
            if (tzid == *u)
            {
                delete tz;
                tz = deflt;
            }
            else
                delete deflt;
        }

        return wrap_TimeZone(tz);
    }

    return PyErr_SetArgsError(type, "createTimeZone", arg);
}

static PyObject *t_timezone_createEnumeration(PyTypeObject *type,
                                              PyObject *args)
{
    int offset;
    charsArg country;

    switch (PyTuple_Size(args)) {
      case 0:
        return wrap_StringEnumeration(TimeZone::createEnumeration(), T_OWNED);
      case 1:
        if (!parseArgs(args, "i", &offset))
            return wrap_StringEnumeration(TimeZone::createEnumeration(offset), T_OWNED);
        if (!parseArgs(args, "n", &country))
            return wrap_StringEnumeration(TimeZone::createEnumeration(country), T_OWNED);
        break;
    }

    return PyErr_SetArgsError(type, "createEnumeration", args);
}

static PyObject *t_timezone_countEquivalentIDs(PyTypeObject *type,
                                               PyObject *arg)
{
    UnicodeString *u;
    UnicodeString _u;

    if (!parseArg(arg, "S", &u, &_u))
        return PyInt_FromLong(TimeZone::countEquivalentIDs(*u));

    return PyErr_SetArgsError(type, "countEquivalentIDs", arg);
}

static PyObject *t_timezone_getEquivalentID(PyTypeObject *type, PyObject *args)
{
    UnicodeString *u;
    UnicodeString _u;
    int index;

    if (!parseArgs(args, "Si", &u, &_u, &index))
    {
        UnicodeString v = TimeZone::getEquivalentID(*u, index);
        return PyUnicode_FromUnicodeString(&v);
    }

    return PyErr_SetArgsError(type, "getEquivalentID", args);
}

#if U_ICU_VERSION_HEX >= VERSION_HEX(52, 0, 0)
static PyObject *t_timezone_getIDForWindowsID(PyTypeObject *type,
                                              PyObject *args)
{
    UnicodeString *winId;
    UnicodeString _winId;
    charsArg region;

    switch (PyTuple_Size(args)) {
      case 1:
        if (!parseArgs(args, "S", &winId, &_winId))
        {
            UnicodeString id;

            STATUS_CALL(TimeZone::getIDForWindowsID(*winId, NULL, id, status));
            return PyUnicode_FromUnicodeString(&id);
        }
        break;
      case 2:
        if (!parseArgs(args, "Sn", &winId, &_winId, &region))
        {
            UnicodeString id;

            STATUS_CALL(TimeZone::getIDForWindowsID(*winId, region, id,
                                                    status));
            return PyUnicode_FromUnicodeString(&id);
        }
        break;
    }

    return PyErr_SetArgsError(type, "getIDForWindowsID", args);
}

static PyObject *t_timezone_getWindowsID(PyTypeObject *type, PyObject *arg)
{
    UnicodeString *id;
    UnicodeString _id;

    if (!parseArg(arg, "S", &id, &_id))
    {
        UnicodeString winId;

        STATUS_CALL(TimeZone::getWindowsID(*id, winId, status));
        return PyUnicode_FromUnicodeString(&winId);
    }

    return PyErr_SetArgsError(type, "getWindowsID", arg);
}
#endif

static PyObject *t_timezone_createDefault(PyTypeObject *type)
{
    return wrap_TimeZone(TimeZone::createDefault());
}

static PyObject *t_timezone_setDefault(PyTypeObject *type, PyObject *arg)
{
    TimeZone *tz;

    if (!parseArg(arg, "P", TYPE_CLASSID(TimeZone), &tz))
    {
        TimeZone::setDefault(*tz); /* copied */

        PyObject *m = PyImport_ImportModule("icu");
        PyObject *cls = PyObject_GetAttrString(m, "ICUtzinfo");
        PyObject *result = PyObject_CallMethod(
            cls, (char *) "_resetDefault", (char *) "", NULL);

        Py_DECREF(m);
        Py_DECREF(cls);
        
        return result;
    }

    return PyErr_SetArgsError(type, "setDefault", arg);
}

static PyObject *t_timezone_str(t_timezone *self)
{
    UnicodeString u;

    self->object->getID(u);
    return PyUnicode_FromUnicodeString(&u);
}

static PyObject *t_timezone_richcmp(t_timezone *self, PyObject *arg, int op)
{
    int b = 0;
    TimeZone *tz;

    if (!parseArg(arg, "P", TYPE_CLASSID(TimeZone), &tz))
    {
        switch (op) {
          case Py_EQ:
          case Py_NE:
            b = *self->object == *tz;
            if (op == Py_EQ)
                Py_RETURN_BOOL(b);
            Py_RETURN_BOOL(!b);
          case Py_LT:
          case Py_LE:
          case Py_GT:
          case Py_GE:
            PyErr_SetNone(PyExc_NotImplementedError);
            return NULL;
        }
    }

    return PyErr_SetArgsError((PyObject *) self, "__richcmp__", arg);
}


/* SimpleTimeZone */

static int t_simpletimezone_init(t_simpletimezone *self,
                                 PyObject *args, PyObject *kwds)
{
    SimpleTimeZone *tz;
    UnicodeString *u;
    UnicodeString _u;
    int rawOffsetGMT, savingsStartMonth, savingsStartDayOfWeekInMonth;
    int savingsStartDayOfWeek, savingsStartTime, savingsEndMonth, savingsDST;
    int savingsEndDayOfWeekInMonth, savingsEndDayOfWeek, savingsEndTime;
    SimpleTimeZone::TimeMode startMode, endMode;

    switch (PyTuple_Size(args)) {
      case 2:
        if (!parseArgs(args, "iS", &rawOffsetGMT, &u, &_u))
        {
            tz = new SimpleTimeZone(rawOffsetGMT, *u);
            self->object = tz;
            self->flags = T_OWNED;
            break;
        }
      case 10:
        if (!parseArgs(args, "iSiiiiiiii", &rawOffsetGMT, &u, &_u,
                       &savingsStartMonth, &savingsStartDayOfWeekInMonth,
                       &savingsStartDayOfWeek, &savingsStartTime,
                       &savingsEndMonth, &savingsEndDayOfWeekInMonth,
                       &savingsEndDayOfWeek, &savingsEndTime))
        {
            INT_STATUS_CALL(tz = new SimpleTimeZone(rawOffsetGMT, *u, savingsStartMonth, savingsStartDayOfWeekInMonth, savingsStartDayOfWeek, savingsStartTime, savingsEndMonth, savingsEndDayOfWeekInMonth, savingsEndDayOfWeek, savingsEndTime, status));
            self->object = tz;
            self->flags = T_OWNED;
            break;
        }
        PyErr_SetArgsError((PyObject *) self, "__init__", args);
        return -1;
      case 11:
        if (!parseArgs(args, "iSiiiiiiiii", &rawOffsetGMT, &u, &_u,
                       &savingsStartMonth, &savingsStartDayOfWeekInMonth,
                       &savingsStartDayOfWeek, &savingsStartTime,
                       &savingsEndMonth, &savingsEndDayOfWeekInMonth,
                       &savingsEndDayOfWeek, &savingsEndTime, &savingsDST))
        {
            INT_STATUS_CALL(tz = new SimpleTimeZone(rawOffsetGMT, *u, savingsStartMonth, savingsStartDayOfWeekInMonth, savingsStartDayOfWeek, savingsStartTime, savingsEndMonth, savingsEndDayOfWeekInMonth, savingsEndDayOfWeek, savingsEndTime, savingsDST, status));
            self->object = tz;
            self->flags = T_OWNED;
            break;
        }
        PyErr_SetArgsError((PyObject *) self, "__init__", args);
        return -1;
      case 13:
        if (!parseArgs(args, "iSiiiiiiiiiii", &rawOffsetGMT, &u, &_u,
                       &savingsStartMonth, &savingsStartDayOfWeekInMonth,
                       &savingsStartDayOfWeek, &savingsStartTime, &startMode,
                       &savingsEndMonth, &savingsEndDayOfWeekInMonth,
                       &savingsEndDayOfWeek, &savingsEndTime, &endMode,
                       &savingsDST))
        {
            INT_STATUS_CALL(tz = new SimpleTimeZone(rawOffsetGMT, *u, savingsStartMonth, savingsStartDayOfWeekInMonth, savingsStartDayOfWeek, savingsStartTime, startMode, savingsEndMonth, savingsEndDayOfWeekInMonth, savingsEndDayOfWeek, savingsEndTime, endMode, savingsDST, status));
            self->object = tz;
            self->flags = T_OWNED;
            break;
        }
        PyErr_SetArgsError((PyObject *) self, "__init__", args);
        return -1;
      default:
        PyErr_SetArgsError((PyObject *) self, "__init__", args);
        return -1;
    }
        
    if (self->object)
        return 0;

    return -1;
}

static PyObject *t_simpletimezone_setStartYear(t_simpletimezone *self,
                                               PyObject *arg)
{
    int year;

    if (!parseArg(arg, "i", &year))
    {
        self->object->setStartYear(year);
        Py_RETURN_NONE;
    }

    return PyErr_SetArgsError((PyObject *) self, "setStartYear", arg);
}

static PyObject *t_simpletimezone_setStartRule(t_simpletimezone *self,
                                               PyObject *args)
{
    SimpleTimeZone::TimeMode mode;
    int month, dayOfMonth, dayOfWeek, dayOfWeekInMonth, time;
    int after;

    switch (PyTuple_Size(args)) {
      case 3:
        if (!parseArgs(args, "iii", &month, &dayOfMonth, &time))
        {
            STATUS_CALL(self->object->setStartRule(month, dayOfMonth, time,
                                                   status));
            Py_RETURN_NONE;
        }
        break;
      case 4:
        if (!parseArgs(args, "iiii", &month, &dayOfWeekInMonth,
                       &dayOfWeek, &time))
        {
            STATUS_CALL(self->object->setStartRule(month, dayOfWeekInMonth,
                                                   dayOfWeek, time, status));
            Py_RETURN_NONE;
        }
        break;
      case 5:
        if (!parseArgs(args, "iiiiB", &month, &dayOfMonth,
                       &dayOfWeek, &time, &after))
        {
            STATUS_CALL(self->object->setStartRule(month, dayOfMonth, dayOfWeek,
                                                   time, (UBool) after,
                                                   status));
            Py_RETURN_NONE;
        }
        break;
        if (!parseArgs(args, "iiiii", &month, &dayOfMonth,
                       &dayOfWeek, &time, &mode))
        {
            STATUS_CALL(self->object->setStartRule(month, dayOfMonth, dayOfWeek,
                                                   time, mode, status));
            Py_RETURN_NONE;
        }
        break;
      case 6:
        if (!parseArgs(args, "iiiiiib", &month, &dayOfMonth,
                       &dayOfWeek, &time, &mode, &after))
        {
            STATUS_CALL(self->object->setStartRule(month, dayOfMonth, dayOfWeek,
                                                   time, mode, after, status));
            Py_RETURN_NONE;
        }
        break;
    }
        
    return PyErr_SetArgsError((PyObject *) self, "setStartRule", args);
}

static PyObject *t_simpletimezone_setEndRule(t_simpletimezone *self,
                                             PyObject *args)
{
    SimpleTimeZone::TimeMode mode;
    int month, dayOfMonth, dayOfWeek, dayOfWeekInMonth, time;
    int after;

    switch (PyTuple_Size(args)) {
      case 3:
        if (!parseArgs(args, "iii", &month, &dayOfMonth, &time))
        {
            STATUS_CALL(self->object->setEndRule(month, dayOfMonth, time, status));
            Py_RETURN_NONE;
        }
        break;
      case 4:
        if (!parseArgs(args, "iiii", &month, &dayOfWeekInMonth,
                       &dayOfWeek, &time))
        {
            STATUS_CALL(self->object->setEndRule(month, dayOfWeekInMonth,
                                                 dayOfWeek, time, status));
            Py_RETURN_NONE;
        }
        break;
      case 5:
        if (!parseArgs(args, "iiiiB", &month, &dayOfMonth,
                       &dayOfWeek, &time, &after))
        {
            STATUS_CALL(self->object->setEndRule(month, dayOfMonth, dayOfWeek,
                                                 time, (UBool) after, status));
            Py_RETURN_NONE;
        }
        break;
        if (!parseArgs(args, "iiiii", &month, &dayOfMonth,
                       &dayOfWeek, &time, &mode))
        {
            STATUS_CALL(self->object->setEndRule(month, dayOfMonth, dayOfWeek,
                                                 time, mode, status));
            Py_RETURN_NONE;
        }
        break;
      case 6:
        if (!parseArgs(args, "iiiiiib", &month, &dayOfMonth,
                       &dayOfWeek, &time, &mode, &after))
        {
            STATUS_CALL(self->object->setEndRule(month, dayOfMonth, dayOfWeek,
                                                 time, mode, after, status));
            Py_RETURN_NONE;
        }
        break;
    }
        
    return PyErr_SetArgsError((PyObject *) self, "setEndRule", args);
}

static PyObject *t_simpletimezone_getOffset(t_simpletimezone *self,
                                            PyObject *args)
{
    int era, year, month, day, dayOfWeek, millis;
    int monthLength, prevMonthLength;
    int offset;

    if (!parseArgs(args, "iiiiiiii", &era, &year, &month, &day, &dayOfWeek,
                   &millis, &monthLength, &prevMonthLength))
    {
        STATUS_CALL(offset = self->object->getOffset(era, year, month, day, dayOfWeek, millis, monthLength, prevMonthLength, status));
        return PyInt_FromLong(offset);
    }

    return t_timezone_getOffset((t_timezone *) self, args);
}

static PyObject *t_simpletimezone_setDSTSavings(t_simpletimezone *self,
                                                PyObject *arg)
{
    int savings;

    if (!parseArg(arg, "i", &savings))
    {
        STATUS_CALL(self->object->setDSTSavings(savings, status));
        Py_RETURN_NONE;
    }

    return PyErr_SetArgsError((PyObject *) self, "setDSTSavings", arg);
}


/* Calendar */

PyObject *wrap_Calendar(Calendar *calendar)
{
    RETURN_WRAPPED_IF_ISINSTANCE(calendar, GregorianCalendar);
    return wrap_Calendar(calendar, T_OWNED);
}

static PyObject *t_calendar_getTime(t_calendar *self)
{
    UDate date;
    STATUS_CALL(date = self->object->getTime(status));
    return PyFloat_FromDouble(date / 1000.0);
}

static PyObject *t_calendar_setTime(t_calendar *self, PyObject *arg)
{
    UDate date;

    if (!parseArg(arg, "D", &date))
    {
        STATUS_CALL(self->object->setTime(date, status));
        Py_RETURN_NONE;
    }

    return PyErr_SetArgsError((PyObject *) self, "setTime", arg);
}

static PyObject *t_calendar_isEquivalentTo(t_calendar *self, PyObject *arg)
{
    Calendar *calendar;
    int b;

    if (!parseArg(arg, "P", TYPE_ID(Calendar), &calendar))
    {
        b = self->object->isEquivalentTo(*calendar);
        Py_RETURN_BOOL(b);
    }

    return PyErr_SetArgsError((PyObject *) self, "isEquivalentTo", arg);
}

static PyObject *t_calendar_equals(t_calendar *self, PyObject *arg)
{
    Calendar *calendar;
    int b;

    if (!parseArg(arg, "P", TYPE_ID(Calendar), &calendar))
    {
        STATUS_CALL(b = self->object->equals(*calendar, status));
        Py_RETURN_BOOL(b);
    }

    return PyErr_SetArgsError((PyObject *) self, "equals", arg);
}

static PyObject *t_calendar_before(t_calendar *self, PyObject *arg)
{
    Calendar *calendar;
    int b;

    if (!parseArg(arg, "P", TYPE_ID(Calendar), &calendar))
    {
        STATUS_CALL(b = self->object->before(*calendar, status));
        Py_RETURN_BOOL(b);
    }

    return PyErr_SetArgsError((PyObject *) self, "before", arg);
}

static PyObject *t_calendar_after(t_calendar *self, PyObject *arg)
{
    Calendar *calendar;
    int b;

    if (!parseArg(arg, "P", TYPE_ID(Calendar), &calendar))
    {
        STATUS_CALL(b = self->object->after(*calendar, status));
        Py_RETURN_BOOL(b);
    }

    return PyErr_SetArgsError((PyObject *) self, "after", arg);
}

static PyObject *t_calendar_add(t_calendar *self, PyObject *args)
{
    UCalendarDateFields field;
    int amount;

    if (!parseArgs(args, "ii", &field, &amount))
    {
        STATUS_CALL(self->object->add(field, amount, status));
        Py_RETURN_NONE;
    }

    return PyErr_SetArgsError((PyObject *) self, "add", args);
}

static PyObject *t_calendar_roll(t_calendar *self, PyObject *args)
{
    UCalendarDateFields field;
    int amount, up;

    if (!parseArgs(args, "iB", &field, &up))
    {
        STATUS_CALL(self->object->roll(field, (UBool) up, status));
        Py_RETURN_NONE;
    }
    if (!parseArgs(args, "ii", &field, &amount))
    {
        STATUS_CALL(self->object->roll(field, amount, status));
        Py_RETURN_NONE;
    }

    return PyErr_SetArgsError((PyObject *) self, "roll", args);
}

static PyObject *t_calendar_fieldDifference(t_calendar *self, PyObject *args)
{
    UDate date;
    UCalendarDateFields field;
    int diff;

    if (!parseArgs(args, "Di", &date, &field))
    {
        STATUS_CALL(diff = self->object->fieldDifference(date, field, status));
        return PyInt_FromLong(diff);
    }

    return PyErr_SetArgsError((PyObject *) self, "fieldDifference", args);
}

static PyObject *t_calendar_getTimeZone(t_calendar *self)
{
    const TimeZone &tz = self->object->getTimeZone();
    return wrap_TimeZone(tz);
}

static PyObject *t_calendar_setTimeZone(t_calendar *self, PyObject *arg)
{
    TimeZone *tz;

    if (!parseArg(arg, "P", TYPE_CLASSID(TimeZone), &tz))
    {
        self->object->setTimeZone(*tz); /* copied */
        Py_RETURN_NONE;
    }

    return PyErr_SetArgsError((PyObject *) self, "setTimeZone", arg);
}

static PyObject *t_calendar_inDaylightTime(t_calendar *self)
{
    int b;

    STATUS_CALL(b = self->object->inDaylightTime(status));
    Py_RETURN_BOOL(b);
}

static PyObject *t_calendar_isLenient(t_calendar *self)
{
    int b = self->object->isLenient();
    Py_RETURN_BOOL(b);
}

static PyObject *t_calendar_setLenient(t_calendar *self, PyObject *arg)
{
    int b;

    if (!parseArg(arg, "b", &b))
    {
        self->object->setLenient(b);
        Py_RETURN_NONE;
    }

    return PyErr_SetArgsError((PyObject *) self, "setLenient", arg);
}

static PyObject *t_calendar_getType(t_calendar *self)
{
    return PyString_FromString(self->object->getType());
}

static PyObject *t_calendar_getFirstDayOfWeek(t_calendar *self)
{
    return PyInt_FromLong(self->object->getFirstDayOfWeek());
}

static PyObject *t_calendar_setFirstDayOfWeek(t_calendar *self, PyObject *arg)
{
    UCalendarDaysOfWeek day;

    if (!parseArg(arg, "i", &day))
    {
        self->object->setFirstDayOfWeek(day);
        Py_RETURN_NONE;
    }

    return PyErr_SetArgsError((PyObject *) self, "setFirstDayOfWeek", arg);
}

static PyObject *t_calendar_getMinimalDaysInFirstWeek(t_calendar *self)
{
    return PyInt_FromLong(self->object->getMinimalDaysInFirstWeek());
}

static PyObject *t_calendar_setMinimalDaysInFirstWeek(t_calendar *self,
                                                      PyObject *arg)
{
    int days;

    if (!parseArg(arg, "i", &days))
    {
        self->object->setMinimalDaysInFirstWeek(days);
        Py_RETURN_NONE;
    }

    return PyErr_SetArgsError((PyObject *) self, "setMinimalDaysInFirstWeek", arg);
}

static PyObject *t_calendar_getMinimum(t_calendar *self, PyObject *arg)
{
    UCalendarDateFields field;

    if (!parseArg(arg, "i", &field))
        return PyInt_FromLong(self->object->getMinimum(field));

    return PyErr_SetArgsError((PyObject *) self, "getMinimum", arg);
}

static PyObject *t_calendar_getMaximum(t_calendar *self, PyObject *arg)
{
    UCalendarDateFields field;

    if (!parseArg(arg, "i", &field))
        return PyInt_FromLong(self->object->getMaximum(field));

    return PyErr_SetArgsError((PyObject *) self, "getMaximum", arg);
}

static PyObject *t_calendar_getGreatestMinimum(t_calendar *self, PyObject *arg)
{
    UCalendarDateFields field;

    if (!parseArg(arg, "i", &field))
        return PyInt_FromLong(self->object->getGreatestMinimum(field));

    return PyErr_SetArgsError((PyObject *) self, "getGreatestMinimum", arg);
}

static PyObject *t_calendar_getActualMinimum(t_calendar *self, PyObject *arg)
{
    UCalendarDateFields field;
    int actual;

    if (!parseArg(arg, "i", &field))
    {
        STATUS_CALL(actual = self->object->getActualMinimum(field, status));
        return PyInt_FromLong(actual);
    }

    return PyErr_SetArgsError((PyObject *) self, "getActualMinimum", arg);
}

static PyObject *t_calendar_getLeastMaximum(t_calendar *self, PyObject *arg)
{
    UCalendarDateFields field;

    if (!parseArg(arg, "i", &field))
        return PyInt_FromLong(self->object->getLeastMaximum(field));

    return PyErr_SetArgsError((PyObject *) self, "getLeastMaximum", arg);
}

static PyObject *t_calendar_getActualMaximum(t_calendar *self, PyObject *arg)
{
    UCalendarDateFields field;
    int actual;

    if (!parseArg(arg, "i", &field))
    {
        STATUS_CALL(actual = self->object->getActualMaximum(field, status));
        return PyInt_FromLong(actual);
    }

    return PyErr_SetArgsError((PyObject *) self, "getActualMaximum", arg);
}

static PyObject *t_calendar_get(t_calendar *self, PyObject *arg)
{
    UCalendarDateFields field;
    int value;

    if (!parseArg(arg, "i", &field))
    {
        STATUS_CALL(value = self->object->get(field, status));
        return PyInt_FromLong(value);
    }

    return PyErr_SetArgsError((PyObject *) self, "get", arg);
}

static PyObject *t_calendar_isSet(t_calendar *self, PyObject *arg)
{
    UCalendarDateFields field;
    int b;

    if (!parseArg(arg, "i", &field))
    {
        b = self->object->isSet(field);
        Py_RETURN_BOOL(b);
    }

    return PyErr_SetArgsError((PyObject *) self, "isSet", arg);
}

static PyObject *t_calendar_set(t_calendar *self, PyObject *args)
{
    int year, month, date, hour, minute, second;
    int field, value;
    switch (PyTuple_Size(args)) {
      case 2:
        if (!parseArgs(args, "ii", &field, &value))
        {
            self->object->set((UCalendarDateFields) field, value);
            Py_RETURN_NONE;
        }
        break;
      case 3:
        if (!parseArgs(args, "iii", &year, &month, &date))
        {
            self->object->set(year, month, date);
            Py_RETURN_NONE;
        }
        break;
      case 5:
        if (!parseArgs(args, "iiiii", &year, &month, &date, &hour, &minute))
        {
            self->object->set(year, month, date, hour, minute);
            Py_RETURN_NONE;
        }
        break;
      case 6:
        if (!parseArgs(args, "iiiiii", &year, &month, &date, &hour, &minute,
                       &second))
        {
            self->object->set(year, month, date, hour, minute, second);
            Py_RETURN_NONE;
        }
        break;
    }
    
    return PyErr_SetArgsError((PyObject *) self, "set", args);
}

static PyObject *t_calendar_clear(t_calendar *self, PyObject *args)
{
    UCalendarDateFields field;

    switch (PyTuple_Size(args)) {
      case 0:
        self->object->clear();
        Py_RETURN_NONE;
      case 1:
        if (!parseArgs(args, "i", &field))
        {
            self->object->clear(field);
            Py_RETURN_NONE;
        }
        break;
    }
            
    return PyErr_SetArgsError((PyObject *) self, "clear", args);
}

static PyObject *t_calendar_haveDefaultCentury(t_calendar *self)
{
    int b = self->object->haveDefaultCentury();
    Py_RETURN_BOOL(b);
}

static PyObject *t_calendar_defaultCenturyStart(t_calendar *self)
{
    UDate date = self->object->defaultCenturyStart();
    return PyFloat_FromDouble(date / 1000.0);
}

static PyObject *t_calendar_defaultCenturyStartYear(t_calendar *self)
{
    int year = self->object->defaultCenturyStartYear();
    return PyInt_FromLong(year);
}

static PyObject *t_calendar_getLocale(t_calendar *self, PyObject *args)
{
    ULocDataLocaleType type;
    Locale locale;

    switch (PyTuple_Size(args)) {
      case 0:
        STATUS_CALL(locale = self->object->getLocale(ULOC_VALID_LOCALE,
                                                     status));
        return wrap_Locale(locale);
      case 1:
        if (!parseArgs(args, "i", &type))
        {
            STATUS_CALL(locale = self->object->getLocale(type, status));
            return wrap_Locale(locale);
        }
        break;
    }

    return PyErr_SetArgsError((PyObject *) self, "getLocale", args);
}

static PyObject *t_calendar_getLocaleID(t_calendar *self, PyObject *args)
{
    ULocDataLocaleType type;
    const char *id;

    switch (PyTuple_Size(args)) {
      case 0:
        STATUS_CALL(id = self->object->getLocaleID(ULOC_VALID_LOCALE, status));
        return PyString_FromString(id);
      case 1:
        if (!parseArgs(args, "i", &type))
        {
            STATUS_CALL(id = self->object->getLocaleID(type, status));
            return PyString_FromString(id);
        }
        break;
    }

    return PyErr_SetArgsError((PyObject *) self, "getLocaleID", args);
}

static PyObject *t_calendar_createInstance(PyTypeObject *type, PyObject *args)
{
    TimeZone *tz;
    Locale *locale;
    Calendar *calendar;

    switch (PyTuple_Size(args)) {
      case 0:
      {
          STATUS_CALL(calendar = Calendar::createInstance(status));
          return wrap_Calendar(calendar);
      }
      case 1:
        if (!parseArgs(args, "P", TYPE_CLASSID(TimeZone), &tz))
        {
            STATUS_CALL(calendar = Calendar::createInstance(*tz, status));
            return wrap_Calendar(calendar);
        }          
        if (!parseArgs(args, "P", TYPE_CLASSID(Locale), &locale))
        {
            STATUS_CALL(calendar = Calendar::createInstance(*locale, status));
            return wrap_Calendar(calendar);
        }
        break;
      case 2:
        if (!parseArgs(args, "PP",
                       TYPE_CLASSID(TimeZone),
                       TYPE_CLASSID(Locale),
                       &tz, &locale))
        {
            STATUS_CALL(calendar = Calendar::createInstance(*tz, *locale, status));
            return wrap_Calendar(calendar);
        }
        break;
    }

    return PyErr_SetArgsError(type, "createInstance", args);
}

static PyObject *t_calendar_getAvailableLocales(PyTypeObject *type)
{
    int count;
    const Locale *locales = Calendar::getAvailableLocales(count);
    PyObject *dict = PyDict_New();

    for (int32_t i = 0; i < count; i++) {
        Locale *locale = (Locale *) locales + i;
        PyObject *obj = wrap_Locale(locale, 0);
        PyDict_SetItemString(dict, locale->getName(), obj);
	Py_DECREF(obj);
    }

    return dict;
}

static PyObject *t_calendar_getNow(PyTypeObject *type)
{
    UDate date = Calendar::getNow();
    return PyFloat_FromDouble(date / 1000.0);
}

static PyObject *t_calendar_str(t_calendar *self)
{
    UDate date;
    Locale locale;
    UnicodeString u;

    STATUS_CALL(date = self->object->getTime(status));
    STATUS_CALL(locale = self->object->getLocale(ULOC_VALID_LOCALE, status));

    DateFormat *df = DateFormat::createDateTimeInstance(DateFormat::kDefault,
                                                        DateFormat::kDefault,
                                                        locale);
    df->format(date, u);
    delete df;

    return PyUnicode_FromUnicodeString(&u);
}

static PyObject *t_calendar_richcmp(t_calendar *self, PyObject *arg, int op)
{
    int b = 0;
    Calendar *calendar;

    if (!parseArg(arg, "P", TYPE_ID(Calendar), &calendar))
    {
        switch (op) {
          case Py_EQ:
          case Py_NE:
            b = *self->object == *calendar;
            if (op == Py_EQ)
                Py_RETURN_BOOL(b);
            Py_RETURN_BOOL(!b);
          case Py_LT:
          case Py_LE:
          case Py_GT:
          case Py_GE:
            PyErr_SetNone(PyExc_NotImplementedError);
            return NULL;
        }
    }

    return PyErr_SetArgsError((PyObject *) self, "__richcmp__", arg);
}


/* GregorianCalendar */

static int t_gregoriancalendar_init(t_gregoriancalendar *self,
                                    PyObject *args, PyObject *kwds)
{
    SimpleTimeZone *tz;
    Locale *locale;
    int year, month, date, hour, minute, second;
    GregorianCalendar *calendar;

    switch (PyTuple_Size(args)) {
      case 0:
        INT_STATUS_CALL(calendar = new GregorianCalendar(status));
        self->object = calendar;
        self->flags = T_OWNED;
        break;
      case 1:
        if (!parseArgs(args, "P", TYPE_CLASSID(TimeZone), &tz))
        {
            INT_STATUS_CALL(calendar = new GregorianCalendar(*tz, status));
            self->object = calendar;
            self->flags = T_OWNED;
            break;
        }
        if (!parseArgs(args, "P", TYPE_CLASSID(Locale), &locale))
        {
            INT_STATUS_CALL(calendar = new GregorianCalendar(*locale, status));
            self->object = calendar;
            self->flags = T_OWNED;
            break;
        }
        PyErr_SetArgsError((PyObject *) self, "__init__", args);
        return -1;
      case 2:
        if (!parseArgs(args, "PP",
                       TYPE_CLASSID(TimeZone),
                       TYPE_CLASSID(Locale),
                       &tz, &locale))
        {
            INT_STATUS_CALL(calendar = new GregorianCalendar(*tz, *locale, status));
            self->object = calendar;
            self->flags = T_OWNED;
            break;
        }
        PyErr_SetArgsError((PyObject *) self, "__init__", args);
        return -1;
      case 3:
        if (!parseArgs(args, "iii", &year, &month, &date))
        {
            INT_STATUS_CALL(calendar = new GregorianCalendar(year, month, date, status));
            self->object = calendar;
            self->flags = T_OWNED;
            break;
        }
        PyErr_SetArgsError((PyObject *) self, "__init__", args);
        return -1;
      case 5:
        if (!parseArgs(args, "iiiii", &year, &month, &date, &hour, &minute))
        {
            INT_STATUS_CALL(calendar = new GregorianCalendar(year, month, date, hour, minute, status));
            self->object = calendar;
            self->flags = T_OWNED;
            break;
        }
        PyErr_SetArgsError((PyObject *) self, "__init__", args);
        return -1;
      case 6:
        if (!parseArgs(args, "iiiiii", &year, &month, &date, &hour, &minute,
                       &second))
        {
            INT_STATUS_CALL(calendar = new GregorianCalendar(year, month, date, hour, minute, second, status));
            self->object = calendar;
            self->flags = T_OWNED;
            break;
        }
        PyErr_SetArgsError((PyObject *) self, "__init__", args);
        return -1;
      default:
        PyErr_SetArgsError((PyObject *) self, "__init__", args);
        return -1;
    }
        
    if (self->object)
        return 0;

    return -1;
}

static PyObject *t_gregoriancalendar_getGregorianChange(t_gregoriancalendar *self)
{
    UDate date = self->object->getGregorianChange();
    return PyFloat_FromDouble(date / 1000.0);
}

static PyObject *t_gregoriancalendar_setGregorianChange(t_gregoriancalendar *self, PyObject *arg)
{
    UDate date;

    if (!parseArg(arg, "D", &date))
    {
        STATUS_CALL(self->object->setGregorianChange(date, status));
        Py_RETURN_NONE;
    }

    return PyErr_SetArgsError((PyObject *) self, "setGregorianChange", arg);
}

static PyObject *t_gregoriancalendar_isLeapYear(t_gregoriancalendar *self, PyObject *arg)
{
    int year, b;

    if (!parseArg(arg, "i", &year))
    {
        b = self->object->isLeapYear(year);
        Py_RETURN_BOOL(b);
    }

    return PyErr_SetArgsError((PyObject *) self, "isLeapYear", arg);
}


void _init_calendar(PyObject *m)
{
    TimeZoneType_.tp_str = (reprfunc) t_timezone_str;
    TimeZoneType_.tp_richcompare = (richcmpfunc) t_timezone_richcmp;
    CalendarType_.tp_str = (reprfunc) t_calendar_str;
    CalendarType_.tp_richcompare = (richcmpfunc) t_calendar_richcmp;

    INSTALL_CONSTANTS_TYPE(UCalendarDateFields, m);
    INSTALL_CONSTANTS_TYPE(UCalendarDaysOfWeek, m);
    INSTALL_CONSTANTS_TYPE(UCalendarMonths, m);
    INSTALL_CONSTANTS_TYPE(UCalendarAMPMs, m);
    REGISTER_TYPE(TimeZone, m);
    REGISTER_TYPE(SimpleTimeZone, m);
    INSTALL_TYPE(Calendar, m);
    REGISTER_TYPE(GregorianCalendar, m);

    INSTALL_ENUM(UCalendarDateFields, "ERA", UCAL_ERA);
    INSTALL_ENUM(UCalendarDateFields, "YEAR", UCAL_YEAR);
    INSTALL_ENUM(UCalendarDateFields, "MONTH", UCAL_MONTH);
    INSTALL_ENUM(UCalendarDateFields, "WEEK_OF_YEAR", UCAL_WEEK_OF_YEAR);
    INSTALL_ENUM(UCalendarDateFields, "WEEK_OF_MONTH", UCAL_WEEK_OF_MONTH);
    INSTALL_ENUM(UCalendarDateFields, "DATE", UCAL_DATE);
    INSTALL_ENUM(UCalendarDateFields, "DAY_OF_YEAR", UCAL_DAY_OF_YEAR);
    INSTALL_ENUM(UCalendarDateFields, "DAY_OF_WEEK", UCAL_DAY_OF_WEEK);
    INSTALL_ENUM(UCalendarDateFields, "DAY_OF_WEEK_IN_MONTH", UCAL_DAY_OF_WEEK_IN_MONTH);
    INSTALL_ENUM(UCalendarDateFields, "AM_PM", UCAL_AM_PM);
    INSTALL_ENUM(UCalendarDateFields, "HOUR", UCAL_HOUR);
    INSTALL_ENUM(UCalendarDateFields, "HOUR_OF_DAY", UCAL_HOUR_OF_DAY);
    INSTALL_ENUM(UCalendarDateFields, "MINUTE", UCAL_MINUTE);
    INSTALL_ENUM(UCalendarDateFields, "SECOND", UCAL_SECOND);
    INSTALL_ENUM(UCalendarDateFields, "MILLISECOND", UCAL_MILLISECOND);
    INSTALL_ENUM(UCalendarDateFields, "ZONE_OFFSET", UCAL_ZONE_OFFSET);
    INSTALL_ENUM(UCalendarDateFields, "DST_OFFSET", UCAL_DST_OFFSET);
    INSTALL_ENUM(UCalendarDateFields, "YEAR_WOY", UCAL_YEAR_WOY);
    INSTALL_ENUM(UCalendarDateFields, "DOW_LOCAL", UCAL_DOW_LOCAL);
    INSTALL_ENUM(UCalendarDateFields, "EXTENDED_YEAR", UCAL_EXTENDED_YEAR);
    INSTALL_ENUM(UCalendarDateFields, "JULIAN_DAY", UCAL_JULIAN_DAY);
    INSTALL_ENUM(UCalendarDateFields, "MILLISECONDS_IN_DAY", UCAL_MILLISECONDS_IN_DAY);
    INSTALL_ENUM(UCalendarDateFields, "DAY_OF_MONTH", UCAL_DAY_OF_MONTH);

    INSTALL_ENUM(UCalendarDaysOfWeek, "SUNDAY", UCAL_SUNDAY);
    INSTALL_ENUM(UCalendarDaysOfWeek, "MONDAY", UCAL_MONDAY);
    INSTALL_ENUM(UCalendarDaysOfWeek, "TUESDAY", UCAL_TUESDAY);
    INSTALL_ENUM(UCalendarDaysOfWeek, "WEDNESDAY", UCAL_WEDNESDAY);
    INSTALL_ENUM(UCalendarDaysOfWeek, "THURSDAY", UCAL_THURSDAY);
    INSTALL_ENUM(UCalendarDaysOfWeek, "FRIDAY", UCAL_FRIDAY);
    INSTALL_ENUM(UCalendarDaysOfWeek, "SATURDAY", UCAL_SATURDAY);

    INSTALL_ENUM(UCalendarMonths, "JANUARY", UCAL_JANUARY);
    INSTALL_ENUM(UCalendarMonths, "FEBRUARY", UCAL_FEBRUARY);
    INSTALL_ENUM(UCalendarMonths, "MARCH", UCAL_MARCH);
    INSTALL_ENUM(UCalendarMonths, "APRIL", UCAL_APRIL);
    INSTALL_ENUM(UCalendarMonths, "MAY", UCAL_MAY);
    INSTALL_ENUM(UCalendarMonths, "JUNE", UCAL_JUNE);
    INSTALL_ENUM(UCalendarMonths, "JULY", UCAL_JULY);
    INSTALL_ENUM(UCalendarMonths, "AUGUST", UCAL_AUGUST);
    INSTALL_ENUM(UCalendarMonths, "SEPTEMBER", UCAL_SEPTEMBER);
    INSTALL_ENUM(UCalendarMonths, "OCTOBER", UCAL_OCTOBER);
    INSTALL_ENUM(UCalendarMonths, "NOVEMBER", UCAL_NOVEMBER);
    INSTALL_ENUM(UCalendarMonths, "DECEMBER", UCAL_DECEMBER);
    INSTALL_ENUM(UCalendarMonths, "UNDECIMBER", UCAL_UNDECIMBER);

    INSTALL_ENUM(UCalendarAMPMs, "AM", UCAL_AM);
    INSTALL_ENUM(UCalendarAMPMs, "PM", UCAL_PM);

    INSTALL_STATIC_INT(TimeZone, SHORT);
    INSTALL_STATIC_INT(TimeZone, LONG);

    INSTALL_STATIC_INT(SimpleTimeZone, WALL_TIME);
    INSTALL_STATIC_INT(SimpleTimeZone, STANDARD_TIME);
    INSTALL_STATIC_INT(SimpleTimeZone, UTC_TIME);

    INSTALL_STATIC_INT(Calendar, ERA);
    INSTALL_STATIC_INT(Calendar, YEAR);
    INSTALL_STATIC_INT(Calendar, MONTH);
    INSTALL_STATIC_INT(Calendar, WEEK_OF_YEAR);
    INSTALL_STATIC_INT(Calendar, WEEK_OF_MONTH);
    INSTALL_STATIC_INT(Calendar, DATE);
    INSTALL_STATIC_INT(Calendar, DAY_OF_YEAR);
    INSTALL_STATIC_INT(Calendar, DAY_OF_WEEK);
    INSTALL_STATIC_INT(Calendar, DAY_OF_WEEK_IN_MONTH);
    INSTALL_STATIC_INT(Calendar, AM_PM);
    INSTALL_STATIC_INT(Calendar, HOUR);
    INSTALL_STATIC_INT(Calendar, HOUR_OF_DAY);
    INSTALL_STATIC_INT(Calendar, MINUTE);
    INSTALL_STATIC_INT(Calendar, SECOND);
    INSTALL_STATIC_INT(Calendar, MILLISECOND);
    INSTALL_STATIC_INT(Calendar, ZONE_OFFSET);
    INSTALL_STATIC_INT(Calendar, DST_OFFSET);
    INSTALL_STATIC_INT(Calendar, YEAR_WOY);
    INSTALL_STATIC_INT(Calendar, DOW_LOCAL);

    INSTALL_STATIC_INT(Calendar, SUNDAY);
    INSTALL_STATIC_INT(Calendar, MONDAY);
    INSTALL_STATIC_INT(Calendar, TUESDAY);
    INSTALL_STATIC_INT(Calendar, WEDNESDAY);
    INSTALL_STATIC_INT(Calendar, THURSDAY);
    INSTALL_STATIC_INT(Calendar, FRIDAY);
    INSTALL_STATIC_INT(Calendar, SATURDAY);

    INSTALL_STATIC_INT(Calendar, JANUARY);
    INSTALL_STATIC_INT(Calendar, FEBRUARY);
    INSTALL_STATIC_INT(Calendar, MARCH);
    INSTALL_STATIC_INT(Calendar, APRIL);
    INSTALL_STATIC_INT(Calendar, MAY);
    INSTALL_STATIC_INT(Calendar, JUNE);
    INSTALL_STATIC_INT(Calendar, JULY);
    INSTALL_STATIC_INT(Calendar, AUGUST);
    INSTALL_STATIC_INT(Calendar, SEPTEMBER);
    INSTALL_STATIC_INT(Calendar, OCTOBER);
    INSTALL_STATIC_INT(Calendar, NOVEMBER);
    INSTALL_STATIC_INT(Calendar, DECEMBER);
    INSTALL_STATIC_INT(Calendar, UNDECIMBER);

    INSTALL_STATIC_INT(Calendar, AM);
    INSTALL_STATIC_INT(Calendar, PM);

    INSTALL_STATIC_INT(GregorianCalendar, BC);
    INSTALL_STATIC_INT(GregorianCalendar, AD);
}