-
-
Notifications
You must be signed in to change notification settings - Fork 1.6k
/
filters.py
517 lines (443 loc) · 18.7 KB
/
filters.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
# -*- coding: utf-8 -*-
"""
jinja2.testsuite.filters
~~~~~~~~~~~~~~~~~~~~~~~~
Tests for the jinja filters.
:copyright: (c) 2010 by the Jinja Team.
:license: BSD, see LICENSE for more details.
"""
import unittest
from jinja2.testsuite import JinjaTestCase
from jinja2 import Markup, Environment
from jinja2._compat import text_type, implements_to_string
env = Environment()
class FilterTestCase(JinjaTestCase):
def test_capitalize(self):
tmpl = env.from_string('{{ "foo bar"|capitalize }}')
assert tmpl.render() == 'Foo bar'
def test_center(self):
tmpl = env.from_string('{{ "foo"|center(9) }}')
assert tmpl.render() == ' foo '
def test_default(self):
tmpl = env.from_string(
"{{ missing|default('no') }}|{{ false|default('no') }}|"
"{{ false|default('no', true) }}|{{ given|default('no') }}"
)
assert tmpl.render(given='yes') == 'no|False|no|yes'
def test_dictsort(self):
tmpl = env.from_string(
'{{ foo|dictsort }}|'
'{{ foo|dictsort(true) }}|'
'{{ foo|dictsort(false, "value") }}'
)
out = tmpl.render(foo={"aa": 0, "b": 1, "c": 2, "AB": 3})
assert out == ("[('aa', 0), ('AB', 3), ('b', 1), ('c', 2)]|"
"[('AB', 3), ('aa', 0), ('b', 1), ('c', 2)]|"
"[('aa', 0), ('b', 1), ('c', 2), ('AB', 3)]")
def test_batch(self):
tmpl = env.from_string("{{ foo|batch(3)|list }}|"
"{{ foo|batch(3, 'X')|list }}")
out = tmpl.render(foo=list(range(10)))
assert out == ("[[0, 1, 2], [3, 4, 5], [6, 7, 8], [9]]|"
"[[0, 1, 2], [3, 4, 5], [6, 7, 8], [9, 'X', 'X']]")
def test_slice(self):
tmpl = env.from_string('{{ foo|slice(3)|list }}|'
'{{ foo|slice(3, "X")|list }}')
out = tmpl.render(foo=list(range(10)))
assert out == ("[[0, 1, 2, 3], [4, 5, 6], [7, 8, 9]]|"
"[[0, 1, 2, 3], [4, 5, 6, 'X'], [7, 8, 9, 'X']]")
def test_escape(self):
tmpl = env.from_string('''{{ '<">&'|escape }}''')
out = tmpl.render()
assert out == '<">&'
def test_striptags(self):
tmpl = env.from_string('''{{ foo|striptags }}''')
out = tmpl.render(foo=' <p>just a small \n <a href="#">'
'example</a> link</p>\n<p>to a webpage</p> '
'<!-- <p>and some commented stuff</p> -->')
assert out == 'just a small example link to a webpage'
def test_filesizeformat(self):
tmpl = env.from_string(
'{{ 100|filesizeformat }}|'
'{{ 1000|filesizeformat }}|'
'{{ 1000000|filesizeformat }}|'
'{{ 1000000000|filesizeformat }}|'
'{{ 1000000000000|filesizeformat }}|'
'{{ 100|filesizeformat(true) }}|'
'{{ 1000|filesizeformat(true) }}|'
'{{ 1000000|filesizeformat(true) }}|'
'{{ 1000000000|filesizeformat(true) }}|'
'{{ 1000000000000|filesizeformat(true) }}'
)
out = tmpl.render()
self.assert_equal(out, (
'100 Bytes|1.0 kB|1.0 MB|1.0 GB|1.0 TB|100 Bytes|'
'1000 Bytes|976.6 KiB|953.7 MiB|931.3 GiB'
))
def test_filesizeformat_issue59(self):
tmpl = env.from_string(
'{{ 300|filesizeformat }}|'
'{{ 3000|filesizeformat }}|'
'{{ 3000000|filesizeformat }}|'
'{{ 3000000000|filesizeformat }}|'
'{{ 3000000000000|filesizeformat }}|'
'{{ 300|filesizeformat(true) }}|'
'{{ 3000|filesizeformat(true) }}|'
'{{ 3000000|filesizeformat(true) }}'
)
out = tmpl.render()
self.assert_equal(out, (
'300 Bytes|3.0 kB|3.0 MB|3.0 GB|3.0 TB|300 Bytes|'
'2.9 KiB|2.9 MiB'
))
def test_first(self):
tmpl = env.from_string('{{ foo|first }}')
out = tmpl.render(foo=list(range(10)))
assert out == '0'
def test_float(self):
tmpl = env.from_string('{{ "42"|float }}|'
'{{ "ajsghasjgd"|float }}|'
'{{ "32.32"|float }}')
out = tmpl.render()
assert out == '42.0|0.0|32.32'
def test_format(self):
tmpl = env.from_string('''{{ "%s|%s"|format("a", "b") }}''')
out = tmpl.render()
assert out == 'a|b'
def test_indent(self):
tmpl = env.from_string('{{ foo|indent(2) }}|{{ foo|indent(2, true) }}')
text = '\n'.join([' '.join(['foo', 'bar'] * 2)] * 2)
out = tmpl.render(foo=text)
assert out == ('foo bar foo bar\n foo bar foo bar| '
'foo bar foo bar\n foo bar foo bar')
def test_int(self):
tmpl = env.from_string('{{ "42"|int }}|{{ "ajsghasjgd"|int }}|'
'{{ "32.32"|int }}')
out = tmpl.render()
assert out == '42|0|32'
def test_join(self):
tmpl = env.from_string('{{ [1, 2, 3]|join("|") }}')
out = tmpl.render()
assert out == '1|2|3'
env2 = Environment(autoescape=True)
tmpl = env2.from_string('{{ ["<foo>", "<span>foo</span>"|safe]|join }}')
assert tmpl.render() == '<foo><span>foo</span>'
def test_join_attribute(self):
class User(object):
def __init__(self, username):
self.username = username
tmpl = env.from_string('''{{ users|join(', ', 'username') }}''')
assert tmpl.render(users=map(User, ['foo', 'bar'])) == 'foo, bar'
def test_last(self):
tmpl = env.from_string('''{{ foo|last }}''')
out = tmpl.render(foo=list(range(10)))
assert out == '9'
def test_length(self):
tmpl = env.from_string('''{{ "hello world"|length }}''')
out = tmpl.render()
assert out == '11'
def test_lower(self):
tmpl = env.from_string('''{{ "FOO"|lower }}''')
out = tmpl.render()
assert out == 'foo'
def test_pprint(self):
from pprint import pformat
tmpl = env.from_string('''{{ data|pprint }}''')
data = list(range(1000))
assert tmpl.render(data=data) == pformat(data)
def test_random(self):
tmpl = env.from_string('''{{ seq|random }}''')
seq = list(range(100))
for _ in range(10):
assert int(tmpl.render(seq=seq)) in seq
def test_reverse(self):
tmpl = env.from_string('{{ "foobar"|reverse|join }}|'
'{{ [1, 2, 3]|reverse|list }}')
assert tmpl.render() == 'raboof|[3, 2, 1]'
def test_string(self):
x = [1, 2, 3, 4, 5]
tmpl = env.from_string('''{{ obj|string }}''')
assert tmpl.render(obj=x) == text_type(x)
def test_title(self):
tmpl = env.from_string('''{{ "foo bar"|title }}''')
assert tmpl.render() == "Foo Bar"
tmpl = env.from_string('''{{ "foo's bar"|title }}''')
assert tmpl.render() == "Foo's Bar"
tmpl = env.from_string('''{{ "foo bar"|title }}''')
assert tmpl.render() == "Foo Bar"
tmpl = env.from_string('''{{ "f bar f"|title }}''')
assert tmpl.render() == "F Bar F"
tmpl = env.from_string('''{{ "foo-bar"|title }}''')
assert tmpl.render() == "Foo-Bar"
tmpl = env.from_string('''{{ "foo\tbar"|title }}''')
assert tmpl.render() == "Foo\tBar"
class Foo:
def __str__(self):
return 'foo-bar'
tmpl = env.from_string('''{{ data|title }}''')
out = tmpl.render(data=Foo())
assert out == 'Foo-Bar'
def test_truncate(self):
tmpl = env.from_string(
'{{ data|truncate(15, true, ">>>") }}|'
'{{ data|truncate(15, false, ">>>") }}|'
'{{ smalldata|truncate(15) }}'
)
out = tmpl.render(data='foobar baz bar' * 1000,
smalldata='foobar baz bar')
assert out == 'foobar baz barf>>>|foobar baz >>>|foobar baz bar'
def test_upper(self):
tmpl = env.from_string('{{ "foo"|upper }}')
assert tmpl.render() == 'FOO'
def test_urlize(self):
tmpl = env.from_string('{{ "foo http://www.example.com/ bar"|urlize }}')
assert tmpl.render() == 'foo <a href="http://www.example.com/">'\
'http://www.example.com/</a> bar'
def test_wordcount(self):
tmpl = env.from_string('{{ "foo bar baz"|wordcount }}')
assert tmpl.render() == '3'
def test_block(self):
tmpl = env.from_string('{% filter lower|escape %}<HEHE>{% endfilter %}')
assert tmpl.render() == '<hehe>'
def test_chaining(self):
tmpl = env.from_string('''{{ ['<foo>', '<bar>']|first|upper|escape }}''')
assert tmpl.render() == '<FOO>'
def test_sum(self):
tmpl = env.from_string('''{{ [1, 2, 3, 4, 5, 6]|sum }}''')
assert tmpl.render() == '21'
def test_sum_attributes(self):
tmpl = env.from_string('''{{ values|sum('value') }}''')
assert tmpl.render(values=[
{'value': 23},
{'value': 1},
{'value': 18},
]) == '42'
def test_sum_attributes_nested(self):
tmpl = env.from_string('''{{ values|sum('real.value') }}''')
assert tmpl.render(values=[
{'real': {'value': 23}},
{'real': {'value': 1}},
{'real': {'value': 18}},
]) == '42'
def test_sum_attributes_tuple(self):
tmpl = env.from_string('''{{ values.items()|sum('1') }}''')
assert tmpl.render(values={
'foo': 23,
'bar': 1,
'baz': 18,
}) == '42'
def test_abs(self):
tmpl = env.from_string('''{{ -1|abs }}|{{ 1|abs }}''')
assert tmpl.render() == '1|1', tmpl.render()
def test_round_positive(self):
tmpl = env.from_string('{{ 2.7|round }}|{{ 2.1|round }}|'
"{{ 2.1234|round(3, 'floor') }}|"
"{{ 2.1|round(0, 'ceil') }}")
assert tmpl.render() == '3.0|2.0|2.123|3.0', tmpl.render()
def test_round_negative(self):
tmpl = env.from_string('{{ 21.3|round(-1)}}|'
"{{ 21.3|round(-1, 'ceil')}}|"
"{{ 21.3|round(-1, 'floor')}}")
assert tmpl.render() == '20.0|30.0|20.0',tmpl.render()
def test_xmlattr(self):
tmpl = env.from_string("{{ {'foo': 42, 'bar': 23, 'fish': none, "
"'spam': missing, 'blub:blub': '<?>'}|xmlattr }}")
out = tmpl.render().split()
assert len(out) == 3
assert 'foo="42"' in out
assert 'bar="23"' in out
assert 'blub:blub="<?>"' in out
def test_sort1(self):
tmpl = env.from_string('{{ [2, 3, 1]|sort }}|{{ [2, 3, 1]|sort(true) }}')
assert tmpl.render() == '[1, 2, 3]|[3, 2, 1]'
def test_sort2(self):
tmpl = env.from_string('{{ "".join(["c", "A", "b", "D"]|sort) }}')
assert tmpl.render() == 'AbcD'
def test_sort3(self):
tmpl = env.from_string('''{{ ['foo', 'Bar', 'blah']|sort }}''')
assert tmpl.render() == "['Bar', 'blah', 'foo']"
def test_sort4(self):
@implements_to_string
class Magic(object):
def __init__(self, value):
self.value = value
def __str__(self):
return text_type(self.value)
tmpl = env.from_string('''{{ items|sort(attribute='value')|join }}''')
assert tmpl.render(items=map(Magic, [3, 2, 4, 1])) == '1234'
def test_groupby(self):
tmpl = env.from_string('''
{%- for grouper, list in [{'foo': 1, 'bar': 2},
{'foo': 2, 'bar': 3},
{'foo': 1, 'bar': 1},
{'foo': 3, 'bar': 4}]|groupby('foo') -%}
{{ grouper }}{% for x in list %}: {{ x.foo }}, {{ x.bar }}{% endfor %}|
{%- endfor %}''')
assert tmpl.render().split('|') == [
"1: 1, 2: 1, 1",
"2: 2, 3",
"3: 3, 4",
""
]
def test_groupby_tuple_index(self):
tmpl = env.from_string('''
{%- for grouper, list in [('a', 1), ('a', 2), ('b', 1)]|groupby(0) -%}
{{ grouper }}{% for x in list %}:{{ x.1 }}{% endfor %}|
{%- endfor %}''')
assert tmpl.render() == 'a:1:2|b:1|'
def test_groupby_multidot(self):
class Date(object):
def __init__(self, day, month, year):
self.day = day
self.month = month
self.year = year
class Article(object):
def __init__(self, title, *date):
self.date = Date(*date)
self.title = title
articles = [
Article('aha', 1, 1, 1970),
Article('interesting', 2, 1, 1970),
Article('really?', 3, 1, 1970),
Article('totally not', 1, 1, 1971)
]
tmpl = env.from_string('''
{%- for year, list in articles|groupby('date.year') -%}
{{ year }}{% for x in list %}[{{ x.title }}]{% endfor %}|
{%- endfor %}''')
assert tmpl.render(articles=articles).split('|') == [
'1970[aha][interesting][really?]',
'1971[totally not]',
''
]
def test_filtertag(self):
tmpl = env.from_string("{% filter upper|replace('FOO', 'foo') %}"
"foobar{% endfilter %}")
assert tmpl.render() == 'fooBAR'
def test_replace(self):
env = Environment()
tmpl = env.from_string('{{ string|replace("o", 42) }}')
assert tmpl.render(string='<foo>') == '<f4242>'
env = Environment(autoescape=True)
tmpl = env.from_string('{{ string|replace("o", 42) }}')
assert tmpl.render(string='<foo>') == '<f4242>'
tmpl = env.from_string('{{ string|replace("<", 42) }}')
assert tmpl.render(string='<foo>') == '42foo>'
tmpl = env.from_string('{{ string|replace("o", ">x<") }}')
assert tmpl.render(string=Markup('foo')) == 'f>x<>x<'
def test_forceescape(self):
tmpl = env.from_string('{{ x|forceescape }}')
assert tmpl.render(x=Markup('<div />')) == u'<div />'
def test_safe(self):
env = Environment(autoescape=True)
tmpl = env.from_string('{{ "<div>foo</div>"|safe }}')
assert tmpl.render() == '<div>foo</div>'
tmpl = env.from_string('{{ "<div>foo</div>" }}')
assert tmpl.render() == '<div>foo</div>'
def test_urlencode(self):
env = Environment(autoescape=True)
tmpl = env.from_string('{{ "Hello, world!"|urlencode }}')
assert tmpl.render() == 'Hello%2C%20world%21'
tmpl = env.from_string('{{ o|urlencode }}')
assert tmpl.render(o=u"Hello, world\u203d") == "Hello%2C%20world%E2%80%BD"
assert tmpl.render(o=(("f", 1),)) == "f=1"
assert tmpl.render(o=(('f', 1), ("z", 2))) == "f=1&z=2"
assert tmpl.render(o=((u"\u203d", 1),)) == "%E2%80%BD=1"
assert tmpl.render(o={u"\u203d": 1}) == "%E2%80%BD=1"
assert tmpl.render(o={0: 1}) == "0=1"
def test_simple_map(self):
env = Environment()
tmpl = env.from_string('{{ ["1", "2", "3"]|map("int")|sum }}')
self.assertEqual(tmpl.render(), '6')
def test_attribute_map(self):
class User(object):
def __init__(self, name):
self.name = name
env = Environment()
users = [
User('john'),
User('jane'),
User('mike'),
]
tmpl = env.from_string('{{ users|map(attribute="name")|join("|") }}')
self.assertEqual(tmpl.render(users=users), 'john|jane|mike')
def test_empty_map(self):
env = Environment()
tmpl = env.from_string('{{ none|map("upper")|list }}')
self.assertEqual(tmpl.render(), '[]')
def test_simple_select(self):
env = Environment()
tmpl = env.from_string('{{ [1, 2, 3, 4, 5]|select("odd")|join("|") }}')
self.assertEqual(tmpl.render(), '1|3|5')
def test_bool_select(self):
env = Environment()
tmpl = env.from_string('{{ [none, false, 0, 1, 2, 3, 4, 5]|select|join("|") }}')
self.assertEqual(tmpl.render(), '1|2|3|4|5')
def test_simple_reject(self):
env = Environment()
tmpl = env.from_string('{{ [1, 2, 3, 4, 5]|reject("odd")|join("|") }}')
self.assertEqual(tmpl.render(), '2|4')
def test_bool_reject(self):
env = Environment()
tmpl = env.from_string('{{ [none, false, 0, 1, 2, 3, 4, 5]|reject|join("|") }}')
self.assertEqual(tmpl.render(), 'None|False|0')
def test_simple_select_attr(self):
class User(object):
def __init__(self, name, is_active):
self.name = name
self.is_active = is_active
env = Environment()
users = [
User('john', True),
User('jane', True),
User('mike', False),
]
tmpl = env.from_string('{{ users|selectattr("is_active")|'
'map(attribute="name")|join("|") }}')
self.assertEqual(tmpl.render(users=users), 'john|jane')
def test_simple_reject_attr(self):
class User(object):
def __init__(self, name, is_active):
self.name = name
self.is_active = is_active
env = Environment()
users = [
User('john', True),
User('jane', True),
User('mike', False),
]
tmpl = env.from_string('{{ users|rejectattr("is_active")|'
'map(attribute="name")|join("|") }}')
self.assertEqual(tmpl.render(users=users), 'mike')
def test_func_select_attr(self):
class User(object):
def __init__(self, id, name):
self.id = id
self.name = name
env = Environment()
users = [
User(1, 'john'),
User(2, 'jane'),
User(3, 'mike'),
]
tmpl = env.from_string('{{ users|selectattr("id", "odd")|'
'map(attribute="name")|join("|") }}')
self.assertEqual(tmpl.render(users=users), 'john|mike')
def test_func_reject_attr(self):
class User(object):
def __init__(self, id, name):
self.id = id
self.name = name
env = Environment()
users = [
User(1, 'john'),
User(2, 'jane'),
User(3, 'mike'),
]
tmpl = env.from_string('{{ users|rejectattr("id", "odd")|'
'map(attribute="name")|join("|") }}')
self.assertEqual(tmpl.render(users=users), 'jane')
def suite():
suite = unittest.TestSuite()
suite.addTest(unittest.makeSuite(FilterTestCase))
return suite