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0001-templatetags-add-maths-filters-29337.patch

Thomas Noël, 24 décembre 2018 19:40

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Subject: [PATCH] templatetags: add maths filters (#29337)


 tests/test_templates.py           | 127 ++++++++++++++++++++++++++++++
 wcs/qommon/templatetags/qommon.py |  41 ++++++++++
 2 files changed, 168 insertions(+)
tests/test_templates.py
2 2 

  		




  3
  3
  
    
import pytest

  		




  4
  4
  
    

  		




  
  5
  
    
import datetime

  		




  
  6
  
    
from decimal import Decimal

  		




  
  7
  
    

  		




  5
  8
  
    
from quixote import cleanup

  		




  6
  9
  
    
from qommon.template import Template, TemplateError

  		




  7
  10
  
    
from wcs.conditions import Condition

  		




  ......




  257
  260
  
    
    assert tmpl.render({'plop': '1.99'}) == ''

  		




  258
  261
  
    
    assert tmpl.render({'plop': 'x'}) == 'hello'

  		




  259
  262
  
    
    assert tmpl.render({'plop': None}) == 'hello'  # will be str > int, always True.

  		




  
  263
  
    

  		




  
  264
  
    
def test_add_templatetag():

  		




  
  265
  
    
    for a in ('2', '"2"', '2.0', '"2.0"'):

  		




  
  266
  
    
        for b in (3, '"3"', '3.0', '"3.0"'):

  		




  
  267
  
    
            assert Template('{{ %s|add:%s }}' % (a, b)).render() == '5'

  		




  
  268
  
    
        for b in (3.01, '"3.01"'):

  		




  
  269
  
    
            assert Template('{{ %s|add:%s }}' % (a, b)).render() == '5.01'

  		




  
  270
  
    
        for b in ('""', '"x"'):

  		




  
  271
  
    
            assert Template('{{ %s|add:%s }}' % (a, b)).render() == ''

  		




  
  272
  
    
            assert Template('{{ %s|add:%s }}' % (b, a)).render() == ''

  		




  
  273
  
    
        # no 'foo' variable: template error

  		




  
  274
  
    
        assert Template('{{ %s|add:foo }}' % a).render() == '{{ %s|add:foo }}' % a

  		




  
  275
  
    
    for a in ('2.01', '"2.01"'):

  		




  
  276
  
    
        for b in (3, '"3"', '3.0', '"3.0"'):

  		




  
  277
  
    
            assert Template('{{ %s|add:%s }}' % (a, b)).render() == '5.01'

  		




  
  278
  
    
        for b in (3.01, '"3.01"'):

  		




  
  279
  
    
            assert Template('{{ %s|add:%s }}' % (a, b)).render() == '5.02'

  		




  
  280
  
    
        for b in ('""', '"x"'):

  		




  
  281
  
    
            assert Template('{{ %s|add:%s }}' % (a, b)).render() == ''

  		




  
  282
  
    
            assert Template('{{ %s|add:%s }}' % (b, a)).render() == ''

  		




  
  283
  
    
        assert Template('{{ %s|add:foo }}' % a).render() == '{{ %s|add:foo }}' % a

  		




  
  284
  
    

  		




  
  285
  
    
    for a in (2, '2', '2.0', 2.0, Decimal(2)):

  		




  
  286
  
    
        for b in (3, '3', '3.0', 3.0, Decimal(3)):

  		




  
  287
  
    
            assert Template('{{ a|add:b }}').render({'a': a, 'b': b}) == '5'

  		




  
  288
  
    
        for b in (3.01, '3.01', Decimal(3.01)):

  		




  
  289
  
    
            assert Template('{{ a|add:b }}').render({'a': a, 'b': b}) == '5.01'

  		




  
  290
  
    
        for b in ('', 'x', None):

  		




  
  291
  
    
            assert Template('{{ a|add:b }}').render({'a': a, 'b': b}) == ''

  		




  
  292
  
    
            assert Template('{{ b|add:a }}').render({'a': a, 'b': b}) == ''

  		




  
  293
  
    
        assert Template('{{ a|add:foo }}').render({'a': a}) == '{{ a|add:foo }}'

  		




  
  294
  
    
    for a in (2.01, '2.01', Decimal(2.01)):

  		




  
  295
  
    
        for b in (3, '3', '3.0', 3.0, Decimal(3)):

  		




  
  296
  
    
            assert Template('{{ a|add:b }}').render({'a': a, 'b': b}) == '5.01'

  		




  
  297
  
    
        for b in (3.01, '3.01', Decimal(3.01)):

  		




  
  298
  
    
            assert Template('{{ a|add:b }}').render({'a': a, 'b': b}) == '5.02'

  		




  
  299
  
    
        for b in ('', 'x', None):

  		




  
  300
  
    
            assert Template('{{ a|add:b }}').render({'a': a, 'b': b}) == ''

  		




  
  301
  
    
            assert Template('{{ b|add:a }}').render({'a': a, 'b': b}) == ''

  		




  
  302
  
    
        assert Template('{{ a|add:foo }}').render({'a': a}) == '{{ a|add:foo }}'

  		




  
  303
  
    

  		




  
  304
  
    
    assert Template('{{ ""|add:"" }}').render() == ''

  		




  
  305
  
    
    assert Template('{{ ""|add:"x" }}').render() == ''

  		




  
  306
  
    
    assert Template('{{ "x"|add:"x" }}').render() == ''

  		




  
  307
  
    
    assert Template('{{ "x"|add:"" }}').render() == ''

  		




  
  308
  
    
    assert Template('{{ foo|add:2 }}').render() == ''

  		




  
  309
  
    
    assert Template('{{ foo|add:bar }}').render() == '{{ foo|add:bar }}'

  		




  
  310
  
    

  		




  
  311
  
    
def test_add_templatetag_dates():

  		




  
  312
  
    
    assert Template('{{ "2017-12-21"|date|add:"2" }}').render() == 'Dec. 23, 2017'

  		




  
  313
  
    
    assert Template('{{ "2017-12-21"|date|add:2 }}').render() == 'Dec. 23, 2017'

  		




  
  314
  
    
    assert Template('{{ "2017-12-21"|date|add:"2d" }}').render() == 'Dec. 23, 2017'

  		




  
  315
  
    
    assert Template('{{ "2017-12-21"|date|add:"2 days" }}').render() == 'Dec. 23, 2017'

  		




  
  316
  
    
    assert Template('{{ "2017-12-21"|date|add:"2 DAYS" }}').render() == 'Dec. 23, 2017'

  		




  
  317
  
    
    assert Template('{{ "2017-12-21"|date|add:"2j" }}').render() == 'Dec. 23, 2017'

  		




  
  318
  
    
    assert Template('{{ "2017-12-21"|datetime|add:"2" }}').render() == 'Dec. 23, 2017, midnight'

  		




  
  319
  
    
    # forgot cast -> not a date -> no result

  		




  
  320
  
    
    assert Template('{{ "2017-12-21"|add:"2" }}').render() == ''

  		




  
  321
  
    
    assert Template('{{ "2017-12-21 10:32"|add:"2" }}').render() == ''

  		




  
  322
  
    
    # not a date -> cannot cast -> no result

  		




  
  323
  
    
    assert Template('{{ "foobar"|date|add:"2" }}').render() == ''

  		




  
  324
  
    
    assert Template('{{ "foobar"|datetime|add:"2" }}').render() == ''

  		




  
  325
  
    

  		




  
  326
  
    
    assert Template('{{ "2017-12-21 10:32"|datetime|add:2 }}').render() == 'Dec. 23, 2017, 10:32 a.m.'

  		




  
  327
  
    
    assert Template('{{ "2017-12-21 10:32"|date|add:2 }}').render() == 'Dec. 23, 2017'

  		




  
  328
  
    
    assert Template('{{ "2017-12-21 10:32"|datetime|add:2.0 }}').render() == 'Dec. 23, 2017, 10:32 a.m.'

  		




  
  329
  
    
    assert Template('{{ "2017-12-21 10:32"|datetime|add:-2 }}').render() == 'Dec. 19, 2017, 10:32 a.m.'

  		




  
  330
  
    
    assert Template('{{ "2017-12-21 10:32"|datetime|add:-2.0 }}').render() == 'Dec. 19, 2017, 10:32 a.m.'

  		




  
  331
  
    
    assert Template('{{ "2017-12-21 10:32"|datetime|add:"2" }}').render() == 'Dec. 23, 2017, 10:32 a.m.'

  		




  
  332
  
    
    assert Template('{{ "2017-12-21 10:32"|datetime|add:"2.0" }}').render() == 'Dec. 23, 2017, 10:32 a.m.'

  		




  
  333
  
    
    assert Template('{{ "2017-12-21 10:32"|datetime|add:"-2" }}').render() == 'Dec. 19, 2017, 10:32 a.m.'

  		




  
  334
  
    
    assert Template('{{ "2017-12-21 10:32"|datetime|add:"-2.0" }}').render() == 'Dec. 19, 2017, 10:32 a.m.'

  		




  
  335
  
    
    assert Template('{{ "2017-12-21 10:32"|datetime|add:"2.5" }}').render() == 'Dec. 23, 2017, 10:32 p.m.'

  		




  
  336
  
    
    assert Template('{{ "2017-12-21 10:32"|datetime|add:"-2.5" }}').render() == 'Dec. 18, 2017, 10:32 p.m.'

  		




  
  337
  
    

  		




  
  338
  
    
    # with units

  		




  
  339
  
    
    assert Template('{{ "2017-12-21 10:32"|datetime|add:"2h" }}').render() == 'Dec. 21, 2017, 12:32 p.m.'

  		




  
  340
  
    
    assert Template('{{ "2017-12-21 10:32"|datetime|add:"-2h" }}').render() == 'Dec. 21, 2017, 8:32 a.m.'

  		




  
  341
  
    
    assert Template('{{ "2017-12-21 10:32"|datetime|add:"2.5h" }}').render() == 'Dec. 21, 2017, 1:02 p.m.'

  		




  
  342
  
    
    assert Template('{{ "2017-12-21 10:32"|datetime|add:"-2.5h" }}').render() == 'Dec. 21, 2017, 8:02 a.m.'

  		




  
  343
  
    
    assert Template('{{ "2017-12-21 10:32"|datetime|add:"20m" }}').render() == 'Dec. 21, 2017, 10:52 a.m.'

  		




  
  344
  
    
    assert Template('{{ "2017-12-21 10:32"|datetime|add:"20min" }}').render() == 'Dec. 21, 2017, 10:52 a.m.'

  		




  
  345
  
    
    assert Template('{{ "2017-12-21 10:32"|datetime|add:"-20m" }}').render() == 'Dec. 21, 2017, 10:12 a.m.'

  		




  
  346
  
    
    assert Template('{{ "2017-12-21 10:32"|datetime|add:"120s" }}').render() == 'Dec. 21, 2017, 10:34 a.m.'

  		




  
  347
  
    
    assert Template('{{ "2017-12-21 10:32"|datetime|add:"120seconds" }}').render() == 'Dec. 21, 2017, 10:34 a.m.'

  		




  
  348
  
    
    assert Template('{{ "2017-12-21 10:32"|datetime|add:"-120sec" }}').render() == 'Dec. 21, 2017, 10:30 a.m.'

  		




  
  349
  
    

  		




  
  350
  
    
    # compare after math

  		




  
  351
  
    
    assert Template('{% if "2017-12-21"|date|add:"2" > "2017-12-21"|date %}OK{% endif %}').render() == 'OK'

  		




  
  352
  
    
    assert Template('{% if "2017-12-21"|datetime|add:"2" > "2017-12-21"|datetime %}OK{% endif %}').render() == 'OK'

  		




  
  353
  
    
    assert Template('{% if "2017-12-21"|date|add:"1" == "2017-12-22"|date %}OK{% endif %}').render() == 'OK'

  		




  
  354
  
    
    assert Template('{% if "2017-12-21"|datetime|add:"1" == "2017-12-22"|datetime %}OK{% endif %}').render() == 'OK'

  		




  
  355
  
    
    assert Template('{% if "2017-12-21 12:00"|datetime|add:"12h" == "2017-12-22"|datetime %}OK{% endif %}').render() == 'OK'

  		




  
  356
  
    

  		




  
  357
  
    
    foo = "2017-12-21"

  		




  
  358
  
    
    bar = "2017-12-23"

  		




  
  359
  
    
    assert Template('{% if foo|date|add:"2" > foo|date %}OK{% endif %}').render({'foo': foo}) == 'OK'

  		




  
  360
  
    
    assert Template('{% if foo|date|add:"1" < bar|date %}OK{% endif %}').render({'foo': foo, 'bar': bar}) == 'OK'

  		




  
  361
  
    
    assert Template('{% if foo|date|add:"2" == bar|date %}OK{% endif %}').render({'foo': foo, 'bar': bar}) == 'OK'

  		




  
  362
  
    
    assert Template('{% if foo|date|add:"3" > bar|date %}OK{% endif %}').render({'foo': foo, 'bar': bar}) == 'OK'

  		




  
  363
  
    
    assert Template('{% if foo|date|add:"3" == bar|date|add:"1" %}OK{% endif %}').render({'foo': foo, 'bar': bar}) == 'OK'

  		




  
  364
  
    
    assert Template('{% if foo|date|add:"2" > "2017-12-22"|date %}OK{% endif %}').render({'foo': foo}) == 'OK'

  		




  
  365
  
    
    # with units

  		




  
  366
  
    
    assert Template('{% if foo|date|add:"2s" == foo|date %}OK{% endif %}').render({'foo': foo}) == 'OK'

  		




  
  367
  
    
    assert Template('{% if foo|date|add:"2m" == foo|date %}OK{% endif %}').render({'foo': foo}) == 'OK'

  		




  
  368
  
    
    assert Template('{% if foo|date|add:"2h" == foo|date %}OK{% endif %}').render({'foo': foo}) == 'OK'

  		




  
  369
  
    
    assert Template('{% if foo|date|add:"0j" == foo|date %}OK{% endif %}').render({'foo': foo}) == 'OK'

  		




  
  370
  
    
    assert Template('{% if foo|date|add:"25h" > foo|date %}OK{% endif %}').render({'foo': foo}) == 'OK'

  		




  
  371
  
    
    assert Template('{% if foo|date|add:"1441min" > foo|date %}OK{% endif %}').render({'foo': foo}) == 'OK'

  		




  
  372
  
    
    assert Template('{% if foo|date|add:"25h" > foo|date %}OK{% endif %}').render({'foo': foo}) == 'OK'

  		




  
  373
  
    
    assert Template('{% if foo|date|add:"80 hours" > bar|date %}OK{% endif %}').render({'foo': foo, 'bar': bar}) == 'OK'

  		




  
  374
  
    

  		




  
  375
  
    
    # incompatible types: always KO

  		




  
  376
  
    
    assert Template('{% if "2017-12-21"|date|add:"2" == "2017-12-21" %}OK{% else %}KO{% endif %}').render() == 'KO'

  		




  
  377
  
    
    assert Template('{% if "2017-12-21"|date|add:"2" > "2017-12-21" %}OK{% else %}KO{% endif %}').render() == 'KO'

  		




  
  378
  
    
    assert Template('{% if "2017-12-21"|date|add:"2" < "2017-12-21" %}OK{% else %}KO{% endif %}').render() == 'KO'

  		




  
  379
  
    
    # Python cannot compare datetime.date and datetime.datetime !

  		




  
  380
  
    
    assert Template('{% if "2017-12-21"|date|add:"2" > "2017-12-21"|datetime %}OK{% else %}KO{% endif %}').render() == 'KO'

  		




  
  381
  
    

  		




  
  382
  
    
    # forgot cast -> strange results ! All of these tests are just

  		




  
  383
  
    
    # side effects of comparing "" and "2017-12-21"

  		




  
  384
  
    
    assert Template('{% if "2017-12-21"|add:"2" == "2017-12-21" %}OK{% else %}KO{% endif %}').render() == 'KO'

  		




  
  385
  
    
    assert Template('{% if "2017-12-21"|add:"2" > "2017-12-21" %}OK{% else %}KO{% endif %}').render() == 'KO'

  		




  
  386
  
    
    assert Template('{% if "2017-12-21"|add:"2" < "2017-12-21" %}OK{% else %}KO{% endif %}').render() == 'OK'

  		












  

    
      wcs/qommon/templatetags/qommon.py
    
  





  16
  16
  
    

  		




  17
  17
  
    
import datetime

  		




  18
  18
  
    
from decimal import Decimal

  		




  
  19
  
    
import re

  		




  19
  20
  
    

  		




  20
  21
  
    
from django import template

  		




  21
  22
  
    
from django.template import defaultfilters

  		




  ......




  122
  123
  
    
        value = parse_decimal(value)

  		




  123
  124
  
    
    return defaultfilters.floatformat(value, arg=arg)

  		




  124
  125
  
    

  		




  
  126
  
    
def add_date(value, delta):

  		




  
  127
  
    
    time_unit = 'd'

  		




  
  128
  
    
    if isinstance(delta, basestring):

  		




  
  129
  
    
        delta = delta.strip().lower()

  		




  
  130
  
    
        # replace , by . for French users comfort

  		




  
  131
  
    
        delta = delta.replace(',', '.')

  		




  
  132
  
    
        re_delta = re.match('^([+-]?[\d\.]+)\s*([smhd]?).*', delta)

  		




  
  133
  
    
        if not re_delta:

  		




  
  134
  
    
            return value

  		




  
  135
  
    
        delta, time_unit = re_delta.group(1), re_delta.group(2)

  		




  
  136
  
    
    try:

  		




  
  137
  
    
        delta = int(delta)

  		




  
  138
  
    
    except ValueError:

  		




  
  139
  
    
        try:

  		




  
  140
  
    
            delta = float(delta)

  		




  
  141
  
    
        except ValueError:

  		




  
  142
  
    
            return ''

  		




  
  143
  
    
    if time_unit == 'h':

  		




  
  144
  
    
        delta = datetime.timedelta(hours=delta)

  		




  
  145
  
    
    elif time_unit == 'm':

  		




  
  146
  
    
        delta = datetime.timedelta(minutes=delta)

  		




  
  147
  
    
    elif time_unit == 's':

  		




  
  148
  
    
        delta = datetime.timedelta(seconds=delta)

  		




  
  149
  
    
    else:

  		




  
  150
  
    
        delta = datetime.timedelta(days=delta)

  		




  
  151
  
    
    return value + delta

  		




  
  152
  
    

  		




  
  153
  
    
@register.filter(expects_localtime=True, is_safe=False)

  		




  
  154
  
    
def add(value, term):

  		




  
  155
  
    
    if isinstance(value, (datetime.datetime, datetime.date)):

  		




  
  156
  
    
        return add_date(value, term)

  		




  
  157
  
    

  		




  
  158
  
    
    value = parse_decimal(value)

  		




  
  159
  
    
    if value is None:

  		




  
  160
  
    
        return ''

  		




  
  161
  
    
    term = parse_decimal(term)

  		




  
  162
  
    
    if term is None:

  		




  
  163
  
    
        return ''

  		




  
  164
  
    
    return value + term

  		




  
  165
  
    

  		




  125
  166
  
    
@register.simple_tag

  		




  126
  167
  
    
def standard_text(text_id):

  		




  127
  168
  
    
    return mark_safe(TextsDirectory.get_html_text(str(text_id)))

  		




  128
  
  
    
-