odoo/addons/web/static/src/js/pyeval.js

340 lines
13 KiB
JavaScript

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