340 lines
13 KiB
JavaScript
340 lines
13 KiB
JavaScript
/*
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* py.js helpers and setup
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*/
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openerp.web.pyeval = function (instance) {
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instance.web.pyeval = {};
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var obj = function () {};
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obj.prototype = py.object;
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var asJS = function (arg) {
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if (arg instanceof obj) {
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return arg.toJSON();
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}
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return arg;
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};
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var datetime = py.PY_call(py.object);
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datetime.datetime = py.type('datetime', null, {
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__init__: function () {
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var zero = py.float.fromJSON(0);
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var args = py.PY_parseArgs(arguments, [
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'year', 'month', 'day',
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['hour', zero], ['minute', zero], ['second', zero],
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['microsecond', zero], ['tzinfo', py.None]
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]);
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for(var key in args) {
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if (!args.hasOwnProperty(key)) { continue; }
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this[key] = asJS(args[key]);
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}
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},
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strftime: function () {
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var self = this;
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var args = py.PY_parseArgs(arguments, 'format');
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return py.str.fromJSON(args.format.toJSON()
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.replace(/%([A-Za-z])/g, function (m, c) {
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switch (c) {
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case 'Y': return self.year;
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case 'm': return _.str.sprintf('%02d', self.month);
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case 'd': return _.str.sprintf('%02d', self.day);
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case 'H': return _.str.sprintf('%02d', self.hour);
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case 'M': return _.str.sprintf('%02d', self.minute);
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case 'S': return _.str.sprintf('%02d', self.second);
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}
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throw new Error('ValueError: No known conversion for ' + m);
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}));
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},
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now: py.classmethod.fromJSON(function () {
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var d = new Date();
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return py.PY_call(datetime.datetime,
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[d.getUTCFullYear(), d.getUTCMonth() + 1, d.getUTCDate(),
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d.getUTCHours(), d.getUTCMinutes(), d.getUTCSeconds(),
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d.getUTCMilliseconds() * 1000]);
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}),
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today: py.classmethod.fromJSON(function () {
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var d = new Date();
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return py.PY_call(datetime.datetime,
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[d.getUTCFullYear(), d.getUTCMonth() + 1, d.getUTCDate()]);
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}),
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combine: py.classmethod.fromJSON(function () {
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var args = py.PY_parseArgs(arguments, 'date time');
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return py.PY_call(datetime.datetime, [
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// FIXME: should use getattr
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args.date.year,
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args.date.month,
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args.date.day,
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args.time.hour,
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args.time.minute,
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args.time.second
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]);
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})
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});
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datetime.date = py.type('date', null, {
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__init__: function () {
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var args = py.PY_parseArgs(arguments, 'year month day');
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this.year = asJS(args.year);
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this.month = asJS(args.month);
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this.day = asJS(args.day);
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},
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strftime: function () {
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var self = this;
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var args = py.PY_parseArgs(arguments, 'format');
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return py.str.fromJSON(args.format.toJSON()
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.replace(/%([A-Za-z])/g, function (m, c) {
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switch (c) {
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case 'Y': return self.year;
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case 'm': return _.str.sprintf('%02d', self.month);
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case 'd': return _.str.sprintf('%02d', self.day);
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}
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throw new Error('ValueError: No known conversion for ' + m);
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}));
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},
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today: py.classmethod.fromJSON(function () {
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var d = new Date();
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return py.PY_call(
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datetime.date, [d.getUTCFullYear(), d.getUTCMonth() + 1, d.getUTCDate()]);
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})
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});
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datetime.time = py.type('time', null, {
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__init__: function () {
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var zero = py.float.fromJSON(0);
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var args = py.PY_parseArgs(arguments, [
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['hour', zero], ['minute', zero], ['second', zero], ['microsecond', zero],
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['tzinfo', py.None]
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]);
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for(var k in args) {
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if (!args.hasOwnProperty(k)) { continue; }
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this[k] = asJS(args[k]);
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}
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}
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});
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datetime.timedelta = py.type('timedelta', null, {
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__init__: function () {
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var zero = py.float.fromJSON(0);
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var args = py.PY_parseArgs(arguments,
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[['days', zero], ['seconds', zero], ['microseconds', zero],
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['milliseconds', zero], ['minutes', zero], ['hours', zero],
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['weeks', zero]]);
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var ms = args['microseconds'].toJSON()
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+ 1000 * args['milliseconds'].toJSON();
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this.milliseconds = ms % 1000000;
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var sec = Math.floor(ms / 1000000)
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+ args['seconds'].toJSON()
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+ 60 * args['minutes'].toJSON()
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+ 3600 * args['hours'].toJSON();
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this.seconds = sec % 86400;
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this.days = Math.floor(sec / 86400)
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+ args['days'].toJSON()
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+ 7 * args['weeks'].toJSON();
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}
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});
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var time = py.PY_call(py.object);
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time.strftime = py.PY_def.fromJSON(function () {
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// FIXME: needs PY_getattr
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var d = py.PY_call(datetime.__getattribute__('datetime')
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.__getattribute__('now'));
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var args = [].slice.call(arguments);
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return py.PY_call.apply(
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null, [d.__getattribute__('strftime')].concat(args));
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});
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var relativedelta = py.type('relativedelta', null, {
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__init__: function () {
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this.ops = py.PY_parseArgs(arguments,
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'* year month day hour minute second microsecond '
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+ 'years months weeks days hours minutes secondes microseconds '
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+ 'weekday leakdays yearday nlyearday');
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},
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__add__: function (other) {
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if (py.PY_call(py.isinstance, [datetime.date]) !== py.True) {
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return py.NotImplemented;
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}
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// TODO: test this whole mess
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var year = asJS(this.ops.year) || asJS(other.year);
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if (asJS(this.ops.years)) {
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year += asJS(this.ops.years);
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}
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var month = asJS(this.ops.month) || asJS(other.month);
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if (asJS(this.ops.months)) {
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month += asJS(this.ops.months);
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// FIXME: no divmod in JS?
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while (month < 1) {
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year -= 1;
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month += 12;
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}
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while (month > 12) {
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year += 1;
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month -= 12;
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}
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}
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var lastMonthDay = new Date(year, month, 0).getDate();
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var day = asJS(this.ops.day) || asJS(other.day);
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if (day > lastMonthDay) { day = lastMonthDay; }
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var days_offset = ((asJS(this.ops.weeks) || 0) * 7) + (asJS(this.ops.days) || 0);
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if (days_offset) {
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day = new Date(year, month-1, day + days_offset).getDate();
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}
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// TODO: leapdays?
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// TODO: hours, minutes, seconds? Not used in XML domains
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// TODO: weekday?
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// FIXME: use date.replace
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return py.PY_call(datetime.date, [
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py.float.fromJSON(year),
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py.float.fromJSON(month),
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py.float.fromJSON(day)
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]);
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},
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__radd__: function (other) {
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return this.__add__(other);
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},
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__sub__: function (other) {
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if (py.PY_call(py.isinstance, [datetime.date]) !== py.True) {
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return py.NotImplemented;
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}
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// TODO: test this whole mess
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var year = asJS(this.ops.year) || asJS(other.year);
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if (asJS(this.ops.years)) {
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year -= asJS(this.ops.years);
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}
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var month = asJS(this.ops.month) || asJS(other.month);
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if (asJS(this.ops.months)) {
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month -= asJS(this.ops.months);
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// FIXME: no divmod in JS?
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while (month < 1) {
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year -= 1;
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month += 12;
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}
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while (month > 12) {
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year += 1;
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month -= 12;
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}
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}
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var lastMonthDay = new Date(year, month, 0).getDate();
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var day = asJS(this.ops.day) || asJS(other.day);
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if (day > lastMonthDay) { day = lastMonthDay; }
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var days_offset = ((asJS(this.ops.weeks) || 0) * 7) + (asJS(this.ops.days) || 0);
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if (days_offset) {
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day = new Date(year, month-1, day - days_offset).getDate();
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}
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// TODO: leapdays?
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// TODO: hours, minutes, seconds? Not used in XML domains
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// TODO: weekday?
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return py.PY_call(datetime.date, [
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py.float.fromJSON(year),
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py.float.fromJSON(month),
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py.float.fromJSON(day)
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]);
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},
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__rsub__: function (other) {
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return this.__sub__(other);
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}
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});
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var eval_contexts = function (contexts, evaluation_context) {
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evaluation_context = evaluation_context || {};
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return _(contexts).reduce(function (result_context, ctx) {
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// __eval_context evaluations can lead to some of `contexts`'s
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// values being null, skip them as well as empty contexts
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if (_.isEmpty(ctx)) { return result_context; }
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var evaluated = ctx;
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switch(ctx.__ref) {
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case 'context':
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evaluated = py.eval(ctx.__debug, evaluation_context);
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break;
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case 'compound_context':
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var eval_context = eval_contexts([ctx.__eval_context]);
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evaluated = eval_contexts(
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ctx.__contexts, _.extend({}, evaluation_context, eval_context));
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break;
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}
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// add newly evaluated context to evaluation context for following
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// siblings
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_.extend(evaluation_context, evaluated);
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return _.extend(result_context, evaluated);
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}, _.extend({}, instance.session.user_context));
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};
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var eval_domains = function (domains, evaluation_context) {
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var result_domain = [];
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_(domains).each(function (domain) {
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switch(domain.__ref) {
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case 'domain':
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result_domain.push.apply(
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result_domain, py.eval(domain.__debug, evaluation_context));
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break;
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case 'compound_domain':
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var eval_context = eval_contexts([domain.__eval_context]);
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result_domain.push.apply(
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result_domain, eval_domains(
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domain.__domains, _.extend(
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{}, evaluation_context, eval_context)));
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break;
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default:
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result_domain.push.apply(result_domain, domain);
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}
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});
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return result_domain;
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};
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var eval_groupbys = function (contexts, evaluation_context) {
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var result_group = [];
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_(contexts).each(function (ctx) {
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var group;
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var evaluated = ctx;
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switch(ctx.__ref) {
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case 'context':
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evaluated = py.eval(ctx.__debug, evaluation_context);
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break;
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case 'compound_context':
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var eval_context = eval_contexts([ctx.__eval_context]);
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evaluated = eval_contexts(
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ctx.__contexts, _.extend({}, evaluation_context, eval_context));
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break;
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}
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group = evaluated.group_by;
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if (!group) { return; }
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if (typeof group === 'string') {
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result_group.push(group);
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} else if (group instanceof Array) {
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result_group.push.apply(result_group, group);
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} else {
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throw new Error('Got invalid groupby {{'
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+ JSON.stringify(group) + '}}');
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}
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_.extend(evaluation_context, evaluated);
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});
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return result_group;
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};
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instance.web.pyeval.context = function () {
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return {
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uid: py.float.fromJSON(instance.session.uid),
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datetime: datetime,
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time: time,
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relativedelta: relativedelta,
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current_date: py.PY_call(
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time.strftime, [py.str.fromJSON('%Y-%m-%d')]),
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};
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};
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/**
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* @param {String} type "domains", "contexts" or "groupbys"
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* @param {Array} object domains or contexts to evaluate
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* @param {Object} [context] evaluation context
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*/
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instance.web.pyeval.eval = function (type, object, context) {
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if (!context) { context = instance.web.pyeval.context()}
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switch(type) {
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case 'contexts': return eval_contexts(object, context);
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case 'domains': return eval_domains(object, context);
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case 'groupbys': return eval_groupbys(object, context);
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}
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throw new Error("Unknow evaluation type " + type)
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};
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};
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