public static readonly int MAXYEAR = DateTime.MaxValue.Year;

public static readonly int MINYEAR = DateTime.MinValue.Year;

public const string __doc__ = "Provides functions and types for working with dates and times.";

[PythonType]

public class timedelta : ICodeFormattable {

internal int _days;

internal int _seconds;

internal int _microseconds;

private TimeSpan _tsWithDaysAndSeconds, _tsWithSeconds; // value type

private bool _fWithDaysAndSeconds = false; // whether _tsWithDaysAndSeconds initialized

private bool _fWithSeconds = false;

internal static readonly timedelta _DayResolution = new timedelta(1, 0, 0);

// class attributes:

[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Security", "CA2104:DoNotDeclareReadOnlyMutableReferenceTypes")]

public static readonly timedelta resolution = new timedelta(0, 0, 1);

[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Security", "CA2104:DoNotDeclareReadOnlyMutableReferenceTypes")]

public static readonly timedelta min = new timedelta(-MAXDAYS, 0, 0);

[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Security", "CA2104:DoNotDeclareReadOnlyMutableReferenceTypes")]

public static readonly timedelta max = new timedelta(MAXDAYS, 86399, 999999);

private const int MAXDAYS = 999999999;

private const double SECONDSPERDAY = 24 * 60 * 60;

internal timedelta(double days, double seconds, double microsecond)

: this(days, seconds, microsecond, 0, 0, 0, 0) {

}

internal timedelta(TimeSpan ts, double microsecond)

: this(ts.Days, ts.Seconds, microsecond, ts.Milliseconds, ts.Minutes, ts.Hours, 0) {

}

public timedelta(double days, double seconds, double microseconds, double milliseconds, double minutes, double hours, double weeks) {

double totalDays = weeks * 7 + days;

double totalSeconds = ((totalDays * 24 + hours) * 60 + minutes) * 60 + seconds;

double totalSecondsSharp = Math.Floor(totalSeconds);

double totalSecondsFloat = totalSeconds - totalSecondsSharp;

double totalMicroseconds = Math.Round(totalSecondsFloat * 1e6 + milliseconds * 1000 + microseconds);

double otherSecondsFromMicroseconds = Math.Floor(totalMicroseconds / 1e6);

totalSecondsSharp += otherSecondsFromMicroseconds;

totalMicroseconds -= otherSecondsFromMicroseconds * 1e6;

if (totalSecondsSharp > 0 && totalMicroseconds < 0) {

totalSecondsSharp -= 1;

totalMicroseconds += 1e6;

}

_days = (int)(totalSecondsSharp / SECONDSPERDAY);

_seconds = (int)(totalSecondsSharp - _days * SECONDSPERDAY);

if (_seconds < 0) {

_days--;

_seconds += (int)SECONDSPERDAY;

}

_microseconds = (int)(totalMicroseconds);

if (Math.Abs(_days) > MAXDAYS) {

throw PythonOps.OverflowError("days={0}; must have magnitude <= 999999999", _days);

}

}

public static timedelta __new__(CodeContext context, PythonType cls,

double days=0D,

double seconds=0D,

double microseconds=0D,

double milliseconds=0D,

double minutes=0D,

double hours=0D,

double weeks=0D) {

if (cls == DynamicHelpers.GetPythonTypeFromType(typeof(timedelta))) {

return new timedelta(days, seconds, microseconds, milliseconds, minutes, hours, weeks);

} else {

timedelta delta = cls.CreateInstance(context, days, seconds, microseconds, milliseconds, minutes, hours, weeks) as timedelta;

if (delta == null) throw PythonOps.TypeError("{0} is not a subclass of datetime.timedelta", cls);

return delta;

}

}

// instance attributes:

public int days {

get { return _days; }

}

public int seconds {

get { return _seconds; }

}

public int microseconds {

get { return _microseconds; }

}

internal TimeSpan TimeSpanWithDaysAndSeconds {

get {

if (!_fWithDaysAndSeconds) {

_tsWithDaysAndSeconds = new TimeSpan(_days, 0, 0, _seconds);

_fWithDaysAndSeconds = true;

}

return _tsWithDaysAndSeconds;

}

}

internal TimeSpan TimeSpanWithSeconds {

get {

if (!_fWithSeconds) {

_tsWithSeconds = TimeSpan.FromSeconds(_seconds);

_fWithSeconds = true;

}

return _tsWithSeconds;

}

}

// supported operations:

public static timedelta operator +(timedelta self, timedelta other) {

return new timedelta(self._days + other._days, self._seconds + other._seconds, self._microseconds + other._microseconds);

}

public static timedelta operator -(timedelta self, timedelta other) {

return new timedelta(self._days - other._days, self._seconds - other._seconds, self._microseconds - other._microseconds);

}

public static timedelta operator -(timedelta self) {

return new timedelta(-self._days, -self._seconds, -self._microseconds);

}

public static timedelta operator +(timedelta self) {

return new timedelta(self._days, self._seconds, self._microseconds);

}

public static timedelta operator *(timedelta self, int other) {

return new timedelta(self._days * other, self._seconds * other, self._microseconds * other);

}

public static timedelta operator *(int other, timedelta self) {

return new timedelta(self._days * other, self._seconds * other, self._microseconds * other);

}

public static timedelta operator /(timedelta self, int other) {

return new timedelta((double)self._days / other, (double)self._seconds / other, (double)self._microseconds / other);

}

public static timedelta operator *(timedelta self, BigInteger other) {

return self * (int)other;

}

public static timedelta operator *(BigInteger other, timedelta self) {

return (int)other * self;

}

public static timedelta operator /(timedelta self, BigInteger other) {

return self / (int)other;

}

public timedelta __pos__() { return +this; }

public timedelta __neg__() { return -this; }

public timedelta __abs__() { return (_days > 0) ? this : -this; }

[SpecialName]

public timedelta FloorDivide(int y) {

return this / y;

}

[SpecialName]

public timedelta ReverseFloorDivide(int y) {

return this / y;

}

public double total_seconds() {

var total_microseconds = (double) this.microseconds + (this.seconds + this.days * 24.0 * 3600.0) * 1000000.0;

return total_microseconds / 1000000.0;

}

public bool __bool__() {

return this._days != 0 || this._seconds != 0 || this._microseconds != 0;

}

public PythonTuple __reduce__() {

return PythonTuple.MakeTuple(

DynamicHelpers.GetPythonType(this),

PythonTuple.MakeTuple(_days, _seconds, _microseconds)

);

}

public static object __getnewargs__(int days, int seconds, int microseconds) {

return PythonTuple.MakeTuple(new timedelta(days, seconds, microseconds, 0, 0, 0, 0));

}

public override bool Equals(object obj) {

timedelta delta = obj as timedelta;

if (delta == null) return false;

return this._days == delta._days && this._seconds == delta._seconds && this._microseconds == delta._microseconds;

}

public override int GetHashCode() {

return this._days ^ this._seconds ^ this._microseconds;

}

public override string ToString() {

StringBuilder sb = new StringBuilder();

if (_days != 0) {

sb.Append(_days);

if (Math.Abs(_days) == 1)

sb.Append(" day, ");

else

sb.Append(" days, ");

}

sb.AppendFormat("{0}:{1:d2}:{2:d2}", TimeSpanWithSeconds.Hours, TimeSpanWithSeconds.Minutes, TimeSpanWithSeconds.Seconds);

if (_microseconds != 0)

sb.AppendFormat(".{0:d6}", _microseconds);

return sb.ToString();

}

#region Rich Comparison Members

private int CompareTo(object other) {

timedelta delta = other as timedelta;

if (delta == null)

throw PythonOps.TypeError("can't compare datetime.timedelta to {0}", PythonTypeOps.GetName(other));

int res = this._days - delta._days;

if (res != 0) return res;

res = this._seconds - delta._seconds;

if (res != 0) return res;

return this._microseconds - delta._microseconds;

}

public static bool operator >(timedelta self, object other) {

return self.CompareTo(other) > 0;

}

public static bool operator <(timedelta self, object other) {

return self.CompareTo(other) < 0;

}

public static bool operator >=(timedelta self, object other) {

return self.CompareTo(other) >= 0;

}

public static bool operator <=(timedelta self, object other) {

return self.CompareTo(other) <= 0;

}

#endregion

#region ICodeFormattable Members

public virtual string/*!*/ __repr__(CodeContext/*!*/ context) {

if (_seconds == 0 && _microseconds == 0) {

return String.Format("datetime.timedelta({0})", _days);

} else if (_microseconds == 0) {

return String.Format("datetime.timedelta({0}, {1})", _days, _seconds);

} else {

return String.Format("datetime.timedelta({0}, {1}, {2})", _days, _seconds, _microseconds);

}

}

#endregion

}

internal static void ThrowIfInvalid(timedelta delta, string funcname) {

if (delta != null) {

if (delta._microseconds != 0 || delta._seconds % 60 != 0) {

throw PythonOps.ValueError("tzinfo.{0}() must return a whole number of minutes", funcname);

}

int minutes = (int)(delta.TimeSpanWithDaysAndSeconds.TotalSeconds / 60);

if (Math.Abs(minutes) >= 1440) {

throw PythonOps.ValueError("tzinfo.{0}() returned {1}; must be in -1439 .. 1439", funcname, minutes);

}

}

}

internal enum InputKind { Year, Month, Day, Hour, Minute, Second, Microsecond }

internal static void ValidateInput(InputKind kind, int value) {

switch (kind) {

case InputKind.Year:

if (value > DateTime.MaxValue.Year || value < DateTime.MinValue.Year) {

throw PythonOps.ValueError("year is out of range");

}

break;

case InputKind.Month:

if (value > 12 || value < 1) {

throw PythonOps.ValueError("month must be in 1..12");

}

break;

case InputKind.Day:

// TODO: changing upper bound

if (value > 31 || value < 1) {

throw PythonOps.ValueError("day is out of range for month");

}

break;

case InputKind.Hour:

if (value > 23 || value < 0) {

throw PythonOps.ValueError("hour must be in 0..23");

}

break;

case InputKind.Minute:

if (value > 59 || value < 0) {

throw PythonOps.ValueError("minute must be in 0..59");

}

break;

case InputKind.Second:

if (value > 59 || value < 0) {

throw PythonOps.ValueError("second must be in 0..59");

}

break;

case InputKind.Microsecond:

if (value > 999999 || value < 0) {

throw PythonOps.ValueError("microsecond must be in 0..999999");

}

break;

}

}

internal static bool IsNaiveTimeZone(tzinfo tz) {

if (tz?.utcoffset(null) == null) return true;

return false;

}

internal static int CastToInt(object o) {

return o is BigInteger ? (int)(BigInteger)o : (int)o;

}

[PythonType]

public class date : ICodeFormattable {

internal DateTime _dateTime;

// class attributes

[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Security", "CA2104:DoNotDeclareReadOnlyMutableReferenceTypes")]

public static readonly date min = new date(new DateTime(1, 1, 1));

[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Security", "CA2104:DoNotDeclareReadOnlyMutableReferenceTypes")]

public static readonly date max = new date(new DateTime(9999, 12, 31));

[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Security", "CA2104:DoNotDeclareReadOnlyMutableReferenceTypes")]

public static readonly timedelta resolution = timedelta._DayResolution;

// Make this parameterless constructor internal

// so that the datetime module subclasses can use it,

// if this was protected instead, then you couldn't

// successfully call the public date constructor.

// Due to overload resolution failing.

// The protected version of this constructor matches

// the public constructor due to KeywordArgReturnBuilder

// related parameter processing,

internal date() { }

public date(int year, int month, int day) {

PythonDateTime.ValidateInput(InputKind.Year, year);

PythonDateTime.ValidateInput(InputKind.Month, month);

PythonDateTime.ValidateInput(InputKind.Day, day);

_dateTime = new DateTime(year, month, day);

}

internal date(DateTime value) {

_dateTime = value.Date; // no hour, minute, second

}

// other constructors, all class methods

public static object today() {

return new date(DateTime.Today);

}

public static date fromordinal(int d) {

if (d < 1) {

throw PythonOps.ValueError("ordinal must be >= 1");

}

return new date(min._dateTime.AddDays(d - 1));

}

public static date fromtimestamp(double timestamp) {

DateTime dt = PythonTime.TimestampToDateTime(timestamp);

dt = dt.AddSeconds(-PythonTime.timezone);

return new date(dt.Year, dt.Month, dt.Day);

}

// instance attributes

public int year {

get { return _dateTime.Year; }

}

public int month {

get { return _dateTime.Month; }

}

public int day {

get { return _dateTime.Day; }

}

internal DateTime InternalDateTime {

get { return _dateTime; }

set { _dateTime = value; }

}

public static implicit operator DateTime(date self) {

return self._dateTime;

}

// supported operations

public static date operator +([NotNull]date self, [NotNull]timedelta other) {

try {

return new date(self._dateTime.AddDays(other.days));

} catch {

throw PythonOps.OverflowError("date value out of range");

}

}

public static date operator +([NotNull]timedelta other, [NotNull]date self) {

try {

return new date(self._dateTime.AddDays(other.days));

} catch {

throw PythonOps.OverflowError("date value out of range");

}

}

public static date operator -(date self, timedelta delta) {

try {

return new date(self._dateTime.AddDays(-1 * delta.days));

} catch {

throw PythonOps.OverflowError("date value out of range");

}

}

public static timedelta operator -(date self, date other) {

TimeSpan ts = self._dateTime - other._dateTime;

return new timedelta(0, ts.TotalSeconds, ts.Milliseconds * 1000);

}

public virtual PythonTuple __reduce__() {

return PythonTuple.MakeTuple(DynamicHelpers.GetPythonType(this), PythonTuple.MakeTuple(_dateTime.Year, _dateTime.Month, _dateTime.Day));

}

public static object __getnewargs__(CodeContext context, int year, int month, int day) {

return PythonTuple.MakeTuple(new date(year, month, day));

}

public object replace() {

return this;

}

// instance methods

public virtual date replace(CodeContext/*!*/ context, [ParamDictionary]IDictionary<object, object> dict) {

int year2 = _dateTime.Year;

int month2 = _dateTime.Month;

int day2 = _dateTime.Day;

foreach (KeyValuePair<object, object> kvp in (IDictionary<object, object>)dict) {

string strVal = kvp.Key as string;

if (strVal == null) continue;

switch (strVal) {

case "year": year2 = CastToInt(kvp.Value); break;

case "month": month2 = CastToInt(kvp.Value); break;

case "day": day2 = CastToInt(kvp.Value); break;

default: throw PythonOps.TypeError("{0} is an invalid keyword argument for this function", kvp.Key);

}

}

return new date(year2, month2, day2);

}

public virtual object timetuple() {

return PythonTime.GetDateTimeTuple(_dateTime);

}

public int toordinal() {

return (_dateTime - min._dateTime).Days + 1;

}

public int weekday() { return PythonTime.Weekday(_dateTime); }

public int isoweekday() { return PythonTime.IsoWeekday(_dateTime); }

private DateTime FirstDayOfIsoYear(int year) {

DateTime firstDay = new DateTime(year, 1, 1);

DateTime firstIsoDay = firstDay;

switch (firstDay.DayOfWeek) {

case DayOfWeek.Sunday:

firstIsoDay = firstDay.AddDays(1);

break;

case DayOfWeek.Monday:

case DayOfWeek.Tuesday:

case DayOfWeek.Wednesday:

case DayOfWeek.Thursday:

firstIsoDay = firstDay.AddDays(-1 * ((int)firstDay.DayOfWeek - 1));

break;

case DayOfWeek.Friday:

firstIsoDay = firstDay.AddDays(3);

break;

case DayOfWeek.Saturday:

firstIsoDay = firstDay.AddDays(2);

break;

}

return firstIsoDay;

}

public PythonTuple isocalendar() {

DateTime firstDayOfLastIsoYear = FirstDayOfIsoYear(_dateTime.Year - 1);

DateTime firstDayOfThisIsoYear = FirstDayOfIsoYear(_dateTime.Year);

DateTime firstDayOfNextIsoYear = FirstDayOfIsoYear(_dateTime.Year + 1);

int year, days;

if (firstDayOfThisIsoYear <= _dateTime && _dateTime < firstDayOfNextIsoYear) {

year = _dateTime.Year;

days = (_dateTime - firstDayOfThisIsoYear).Days;

} else if (_dateTime < firstDayOfThisIsoYear) {

year = _dateTime.Year - 1;

days = (_dateTime - firstDayOfLastIsoYear).Days;

} else {

year = _dateTime.Year + 1;

days = (_dateTime - firstDayOfNextIsoYear).Days;

}

return PythonTuple.MakeTuple(year, days / 7 + 1, days % 7 + 1);

}

public string isoformat() {

return _dateTime.ToString("yyyy-MM-dd");

}

public override string ToString() {

return isoformat();

}

public string ctime() {

return _dateTime.ToString("ddd MMM ", CultureInfo.InvariantCulture) +

string.Format(CultureInfo.InvariantCulture, "{0,2}", _dateTime.Day) +

_dateTime.ToString(" HH:mm:ss yyyy", CultureInfo.InvariantCulture);

}

public virtual string strftime(CodeContext/*!*/ context, string dateFormat) {

return PythonTime.strftime(context, dateFormat, _dateTime, null);

}

public override bool Equals(object obj) {

if (obj == null) return false;

date other = obj as date;

if (other != null && !(obj is datetime)) {

return this._dateTime == other._dateTime;

} else {

return false;

}

}

public override int GetHashCode() {

return _dateTime.GetHashCode();

}

#region Rich Comparison Members

internal virtual int CompareTo(object other) {

date date = other as date;

return this._dateTime.CompareTo(date._dateTime);

}

internal bool CheckType(object other) {

return CheckType(other, true);

}

/// <summary>

/// Used to check the type to see if we can do a comparison. Returns true if we can

/// or false if we should return NotImplemented. May throw if the type's really wrong.

/// </summary>

internal bool CheckType(object other, bool shouldThrow) {

if (other == null) {

return CheckTypeError(other, shouldThrow);

}

if (other.GetType() != GetType()) {

// if timetuple is defined on the other object go ahead and let it try the compare,

// but only if it's a user-defined object

if (!(GetType() == typeof(date) && other.GetType() == typeof(datetime) ||

GetType() == typeof(datetime) & other.GetType() == typeof(date))) {

if (PythonOps.HasAttr(DefaultContext.Default, other, "timetuple")) {

return false;

}

}

return CheckTypeError(other, shouldThrow);

}

return true;

}

private static bool CheckTypeError(object other, bool shouldThrow) {

if (shouldThrow) {

throw PythonOps.TypeError("can't compare datetime.date to {0}", PythonTypeOps.GetName(other));

} else {

return true;

}

}

[return: MaybeNotImplemented]

public static object operator >(date self, object other) {

if (!self.CheckType(other)) return NotImplementedType.Value;

return Microsoft.Scripting.Runtime.ScriptingRuntimeHelpers.BooleanToObject(self.CompareTo(other) > 0);

}

[return: MaybeNotImplemented]

public static object operator <(date self, object other) {

if (!self.CheckType(other)) return NotImplementedType.Value;

return Microsoft.Scripting.Runtime.ScriptingRuntimeHelpers.BooleanToObject(self.CompareTo(other) < 0);

}

[return: MaybeNotImplemented]

public static object operator >=(date self, object other) {

if (!self.CheckType(other)) return NotImplementedType.Value;

return Microsoft.Scripting.Runtime.ScriptingRuntimeHelpers.BooleanToObject(self.CompareTo(other) >= 0);

}

[return: MaybeNotImplemented]

public static object operator <=(date self, object other) {

if (!self.CheckType(other)) return NotImplementedType.Value;

return Microsoft.Scripting.Runtime.ScriptingRuntimeHelpers.BooleanToObject(self.CompareTo(other) <= 0);

}

public object __eq__(object other) {

if (!CheckType(other, false)) return NotImplementedType.Value;

return Equals(other);

}

public object __ne__(object other) {

if (!CheckType(other, false)) return NotImplementedType.Value;

return !Equals(other);

}

#endregion

#region ICodeFormattable Members

public virtual string/*!*/ __repr__(CodeContext/*!*/ context) {

return string.Format("datetime.date({0}, {1}, {2})", _dateTime.Year, _dateTime.Month, _dateTime.Day);

}

public virtual string __format__(CodeContext/*!*/ context, string dateFormat){

if (string.IsNullOrEmpty(dateFormat)) {

return PythonOps.ToString(context, this);

} else {

return strftime(context, dateFormat);

}

}

#endregion

}

[PythonType]

public class datetime : date, ICodeFormattable {

internal int _lostMicroseconds;

internal tzinfo _tz;

// class attributes

[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Security", "CA2104:DoNotDeclareReadOnlyMutableReferenceTypes")]

public static new readonly datetime max = new datetime(DateTime.MaxValue, 999, null);

[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Security", "CA2104:DoNotDeclareReadOnlyMutableReferenceTypes")]

public static new readonly datetime min = new datetime(DateTime.MinValue, 0, null);

[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Security", "CA2104:DoNotDeclareReadOnlyMutableReferenceTypes")]

public static new readonly timedelta resolution = timedelta.resolution;

private UnifiedDateTime _utcDateTime;

private const long TicksPerMicrosecond = TimeSpan.TicksPerMillisecond/1000;

public datetime(int year,

int month,

int day,

int hour=0,

int minute=0,

int second=0,

int microsecond=0,

tzinfo tzinfo=null) {

PythonDateTime.ValidateInput(InputKind.Year, year);

PythonDateTime.ValidateInput(InputKind.Month, month);

PythonDateTime.ValidateInput(InputKind.Day, day);

PythonDateTime.ValidateInput(InputKind.Hour, hour);

PythonDateTime.ValidateInput(InputKind.Minute, minute);

PythonDateTime.ValidateInput(InputKind.Second, second);

PythonDateTime.ValidateInput(InputKind.Microsecond, microsecond);

InternalDateTime = new DateTime(year, month, day, hour, minute, second, microsecond / 1000);

_lostMicroseconds = microsecond % 1000;

_tz = tzinfo;

}

public datetime([NotNull]Bytes bytes) {

var byteArray = bytes.UnsafeByteArray;

if (byteArray.Length != 10) {

throw PythonOps.TypeError("an integer is required");