[ADD] web_relativedelta

web_relativedelta/__init__.py

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+# -*- coding: utf-8 -*-
+##############################################################################
+#
+#    OpenERP, Open Source Management Solution
+#    This module copyright (C) 2014 Therp BV (<http://therp.nl>).
+#
+#    This program is free software: you can redistribute it and/or modify
+#    it under the terms of the GNU Affero General Public License as
+#    published by the Free Software Foundation, either version 3 of the
+#    License, or (at your option) any later version.
+#
+#    This program is distributed in the hope that it will be useful,
+#    but WITHOUT ANY WARRANTY; without even the implied warranty of
+#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#    GNU Affero General Public License for more details.
+#
+#    You should have received a copy of the GNU Affero General Public License
+#    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+##############################################################################

web_relativedelta/__openerp__.py

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+# -*- coding: utf-8 -*-
+##############################################################################
+#
+#    OpenERP, Open Source Management Solution
+#    This module copyright (C) 2014 Therp BV (<http://therp.nl>).
+#
+#    This program is free software: you can redistribute it and/or modify
+#    it under the terms of the GNU Affero General Public License as
+#    published by the Free Software Foundation, either version 3 of the
+#    License, or (at your option) any later version.
+#
+#    This program is distributed in the hope that it will be useful,
+#    but WITHOUT ANY WARRANTY; without even the implied warranty of
+#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#    GNU Affero General Public License for more details.
+#
+#    You should have received a copy of the GNU Affero General Public License
+#    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+##############################################################################
+{
+    "name": "More pythonic relativedelta",
+    "version": "1.0",
+    "author": "Therp BV",
+    "license": "AGPL-3",
+    "complexity": "normal",
+    "description": """
+Introduction
+============
+
+This addon provides a reimplementation of OpenERP's pyjs relativedelta class
+using Moment.js (http://momentjs.com).
+
+On top of what you can do with the original, you can use
+
+- datetime objects
+- relativedelta(hour=0-23, hours=0-23)
+- relativedelta(minute=0-59, minutes=0-59)
+- relativedelta(seconds=0-59, seconds=0-59)
+- relativedelta(weekday=0) [MO] ... weekday=6 [SU]
+
+  - there's no MO(+n) syntax, but that can be simulated by
+    relativedelta(weeks=+(n-1), days=1, weekday=0), this week's monday would
+    be relativedelta(weeks=-1, days=1, weekday=0) etc.
+
+- all of them together in a predictable manner as detailed in
+https://labix.org/python-dateutil#head-72c4689ec5608067d118b9143cef6bdffb6dad4e
+
+Usage
+=====
+
+Simply depend on web_relativedelta and enjoy most of python's relativedelta
+functionality
+    """,
+    "category": "Dependency",
+    "depends": [
+        'web',
+    ],
+    "data": [
+    ],
+    "js": [
+        'static/lib/moment.js',
+        'static/src/js/web_relativedelta.js'
+    ],
+    "css": [
+    ],
+    "qweb": [
+    ],
+    "test": [
+        'static/test/web_relativedelta.js',
+    ],
+    "auto_install": False,
+    "installable": True,
+    "application": False,
+    "external_dependencies": {
+        'python': [],
+    },
+}

web_relativedelta/static/src/js/web_relativedelta.js

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+//-*- coding: utf-8 -*-
+//############################################################################
+//
+//   OpenERP, Open Source Management Solution
+//   This module copyright (C) 2014 Therp BV (<http://therp.nl>).
+//
+//   This program is free software: you can redistribute it and/or modify
+//   it under the terms of the GNU Affero General Public License as
+//   published by the Free Software Foundation, either version 3 of the
+//   License, or (at your option) any later version.
+//
+//   This program is distributed in the hope that it will be useful,
+//   but WITHOUT ANY WARRANTY; without even the implied warranty of
+//   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//   GNU Affero General Public License for more details.
+//
+//   You should have received a copy of the GNU Affero General Public License
+//   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+//############################################################################
+
+openerp.web_relativedelta = function(openerp)
+{
+    var relativedelta = py.type('relativedelta', null,
+    {
+        __init__: function()
+        {
+            this.ops = py.PY_parseArgs(
+                arguments,
+                [
+                    ['year', null],
+                    ['years', null],
+                    ['month', null],
+                    ['months', null],
+                    ['day', null],
+                    ['days', null],
+                    ['hour', null],
+                    ['hours', null],
+                    ['minute', null],
+                    ['minutes', null],
+                    ['second', null],
+                    ['seconds', null],
+                    ['weeks', null],
+                    ['weekday', null],
+                ]);
+        },
+        __add__: function(other)
+        {
+            if(other.__name__ != 'date' && other.__name__ != 'datetime')
+            {
+                return py.NotImplemented;
+            }
+
+            var result = moment({
+                year: other.year,
+                //january==0 in moment.js
+                month: other.month - 1,
+                day: other.day,
+                hour: other.hour,
+                minute: other.minute,
+                second: other.second});
+
+            if(this.ops.year)
+            {
+                result.year(Math.abs(this.ops.year._value));
+            }
+            if(this.ops.years)
+            {
+                result.add('years', this.ops.years._value);
+            }
+            if(this.ops.month)
+            {
+                //january==0 in moment.js
+                result.month(Math.abs(this.ops.month._value % 13) - 1);
+            }
+            if(this.ops.months)
+            {
+                result.add('months', this.ops.months._value);
+            }
+            if(this.ops.day)
+            {
+                result = result.clone()
+                    .endOf('month')
+                    .hours(result.hours())
+                    .minutes(result.minutes())
+                    .seconds(result.seconds())
+                    .max(result.clone()
+                            .date(Math.abs(this.ops.day._value)));
+            }
+            if(this.ops.days)
+            {
+                result.add('days', this.ops.days._value)
+            }
+            if(this.ops.weeks)
+            {
+                result.add('days', this.ops.weeks._value * 7);
+            }
+            if(this.ops.hour)
+            {
+                result.hour(Math.abs(this.ops.hour._value % 24));
+            }
+            if(this.ops.hours)
+            {
+                result.add('hours', this.ops.hours._value);
+            }
+            if(this.ops.minute)
+            {
+                result.minute(Math.abs(this.ops.minute._value % 60));
+            }
+            if(this.ops.minutes)
+            {
+                result.add('minutes', this.ops.minutes._value);
+            }
+             if(this.ops.second)
+            {
+                result.second(Math.abs(this.ops.second._value % 60));
+            }
+            if(this.ops.seconds)
+            {
+                result.add('seconds', this.ops.seconds._value);
+            }
+            if(this.ops.weekday)
+            {
+                //in relativedelta, 0=MO, but in iso, 1=MO
+                var isoWeekday = Math.abs(this.ops.weekday._value || 1) /
+                    (this.ops.weekday._value || 1) *
+                    (Math.abs(this.ops.weekday._value) + 1),
+                    originalIsoWeekday = result.isoWeekday();
+                result.isoWeekday(isoWeekday).add(
+                        'weeks', isoWeekday < originalIsoWeekday ? 1 : 0);
+            }
+
+            var args = [
+                result.year(),
+                //january==0 in moment.js
+                result.month() + 1,
+                result.date(),
+            ];
+            if(other.__name__ == 'datetime')
+            {
+                args.push(result.hour());
+                args.push(result.minute());
+                args.push(result.second());
+            }
+
+            return py.PY_call(Object.getPrototypeOf(other), args);
+        },
+        __radd__: function(other)
+        {
+            return this.__add__(other);
+        },
+        __sub__: function(other)
+        {
+            _.each(this.ops, function(op, name)
+            {
+                if(!op || name == 'weekday')
+                {
+                    return;
+                }
+                op._value = -op._value;
+            });
+            return this.__add__(other);
+        },
+        __rsub__: function(other)
+        {
+            return this.__sub__(other);
+        },
+    });
+    var original_pyeval_context = openerp.web.pyeval.context;
+    openerp.web.pyeval.context = function ()
+    {
+        var ctx = original_pyeval_context();
+        return _.extend(
+                ctx,
+                {
+                    relativedelta: relativedelta,
+                });
+    }
+}

web_relativedelta/static/test/web_relativedelta.js

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+//-*- coding: utf-8 -*-
+//############################################################################
+//
+//   OpenERP, Open Source Management Solution
+//   This module copyright (C) 2014 Therp BV (<http://therp.nl>).
+//
+//   This program is free software: you can redistribute it and/or modify
+//   it under the terms of the GNU Affero General Public License as
+//   published by the Free Software Foundation, either version 3 of the
+//   License, or (at your option) any later version.
+//
+//   This program is distributed in the hope that it will be useful,
+//   but WITHOUT ANY WARRANTY; without even the implied warranty of
+//   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//   GNU Affero General Public License for more details.
+//
+//   You should have received a copy of the GNU Affero General Public License
+//   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+//
+//############################################################################
+
+openerp.testing.section(
+        'python_compatibility',
+        {dependencies: ['web.coresetup', 'web.pyeval']},
+        function(test)
+        {
+            test('basic deltas', function(instance)
+            {
+                openerp.web_relativedelta(instance);
+                var eval = function(expression)
+                {
+                    var result_domain = instance.web.pyeval.eval(
+                        'domain', "[['a', '=', " + expression + "]]", {}, {});
+                    return result_domain[0][2];
+                }
+
+                var result;
+                
+                result = eval(
+                    "(datetime.date(2012, 12, 25) + relativedelta(days=7)).strftime('%Y-%m-%d')");
+                ok(result == '2013-01-01', "cross year");
+
+                result = eval(
+                    //2012 is a leap year
+                    "(datetime.date(2012, 01, 01) + relativedelta(days=366)).strftime('%Y-%m-%d')");
+                ok(result == '2013-01-01', "cross leap year");
+
+                result = eval(
+                    "(datetime.date(2012, 02, 01) + relativedelta(day=366)).strftime('%Y-%m-%d')");
+                ok(result == '2012-02-29', "absolute day");
+                
+                result = eval(
+                    "(datetime.date(2012, 02, 01) + relativedelta(hours=-1)).strftime('%Y-%m-%d')");
+                ok(result == '2012-01-31', "negative hour");
+
+                result = eval(
+                    "(datetime.date(2012, 01, 30) + relativedelta(weekday=0)).strftime('%Y-%m-%d')");
+                ok(result == '2012-01-30', "weekday=MO (on monday)");
+
+                result = eval(
+                    "(datetime.date(2012, 01, 31) + relativedelta(weekday=0)).strftime('%Y-%m-%d')");
+                ok(result == '2012-02-06', "weekday=MO (on tuesday)");
+
+                result = eval(
+                    "(datetime.date(2012, 01, 30) + relativedelta(weeks=-1, days=1, weekday=0)).strftime('%Y-%m-%d')");
+                ok(result == '2012-01-30', "last monday (on monday)");
+
+                result = eval(
+                    "(datetime.date(2012, 01, 31) + relativedelta(weeks=-1, days=1, weekday=0)).strftime('%Y-%m-%d')");
+                ok(result == '2012-01-30', "last monday (on tuesday)");
+
+                result = eval(
+                    "(datetime.date(2012, 02, 01) + relativedelta(weeks=-1, days=1, weekday=0)).strftime('%Y-%m-%d')");
+                ok(result == '2012-01-30', "last monday (on wednesday)");
+               });
+        });