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0001-templatetags-add-removeprefix-and-removesuffix-filte.patch

Nicolas Roche, 10 août 2020 14:39

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Subject: [PATCH 1/2] templatetags: add removeprefix and removesuffix filters
 (#45780)


 combo/public/templatetags/combo.py | 23 ++++++++++++++++++++++
 tests/test_public_templatetags.py  | 31 ++++++++++++++++++++++++++++++
 2 files changed, 54 insertions(+)
combo/public/templatetags/combo.py
293 293 
def strip(string, chars=None):
294 294 
    if not string:
295 295 
        return ''
296 296 
    if chars:
297 297 
        return force_text(string).strip(force_text(chars))
298 298 
    else:
299 299 
        return force_text(string).strip()
300 300 

  		




  
  301
  
    

  		




  
  302
  
    
@register.filter

  		




  
  303
  
    
def removeprefix(string, prefix=''):

  		




  
  304
  
    
    if not string:

  		




  
  305
  
    
        return ''

  		




  
  306
  
    
    value = force_text(string)

  		




  
  307
  
    
    prefix = force_text(prefix)

  		




  
  308
  
    
    if prefix and value.startswith(prefix):

  		




  
  309
  
    
        return value[len(prefix):]

  		




  
  310
  
    
    return value

  		




  
  311
  
    

  		




  
  312
  
    

  		




  
  313
  
    
@register.filter

  		




  
  314
  
    
def removesuffix(string, suffix=''):

  		




  
  315
  
    
    if not string:

  		




  
  316
  
    
        return ''

  		




  
  317
  
    
    value = force_text(string)

  		




  
  318
  
    
    suffix = force_text(suffix)

  		




  
  319
  
    
    if suffix and value.endswith(suffix):

  		




  
  320
  
    
        return value[:-len(suffix)]

  		




  
  321
  
    
    return value

  		




  
  322
  
    

  		




  
  323
  
    

  		




  301
  324
  
    
@register.filter(name='get_group')

  		




  302
  325
  
    
def get_group(group_list, group_name):

  		




  303
  326
  
    
    ret = []

  		




  304
  327
  
    
    for group in group_list:

  		




  305
  328
  
    
        if getattr(group, 'grouper', Ellipsis) == group_name:

  		




  306
  329
  
    
            # Django >= 1.11, namedtuple

  		




  307
  330
  
    
            ret.extend(group.list)

  		




  308
  331
  
    
        elif not hasattr(group, 'grouper') and group['grouper'] == group_name:

  		












  

    
      tests/test_public_templatetags.py
    
  





  136
  136
  
    
    assert tmpl.render(Context({'foo': None})) == ''

  		




  137
  137
  
    
    assert tmpl.render(Context({'foo': ' foo bar '})) == 'foo bar'

  		




  138
  138
  
    
    assert tmpl.render(Context({'foo': ' foo bar\t'})) == 'foo bar'

  		




  139
  139
  
    
    assert tmpl.render(Context({'foo': ' félé  '})) == 'félé'

  		




  140
  140
  
    
    tmpl = Template('{{ foo|strip:"XY" }}')

  		




  141
  141
  
    
    assert tmpl.render(Context({'foo': 'XXfoo barXYX'})) == 'foo bar'

  		




  142
  142
  
    
    assert tmpl.render(Context({'foo': ' foo barXX'})) == ' foo bar'

  		




  143
  143
  
    

  		




  
  144
  
    

  		




  
  145
  
    
def test_removeprefix_templatetag():

  		




  
  146
  
    
    tmpl = Template('{{ foo|removeprefix }}')

  		




  
  147
  
    
    assert tmpl.render(Context()) == ''

  		




  
  148
  
    
    assert tmpl.render(Context({'foo': None})) == ''

  		




  
  149
  
    
    assert tmpl.render(Context({'foo': 'foo bar'})) == 'foo bar'

  		




  
  150
  
    
    tmpl = Template('{{ foo|removeprefix:"" }}')

  		




  
  151
  
    
    assert tmpl.render(Context({'foo': 'foo bar'})) == 'foo bar'

  		




  
  152
  
    
    tmpl = Template('{{ foo|removeprefix:"XY" }}')

  		




  
  153
  
    
    assert tmpl.render(Context({'foo': 'XYfoo barXY'})) == 'foo barXY'

  		




  
  154
  
    
    assert tmpl.render(Context({'foo': 'foo bar'})) == 'foo bar'

  		




  
  155
  
    
    assert tmpl.render(Context({'foo': 'xyfoo barXY'})) == 'xyfoo barXY'

  		




  
  156
  
    
    assert tmpl.render(Context({'foo': ' XYfoo barXY'})) == ' XYfoo barXY'

  		




  
  157
  
    
    assert tmpl.render(Context({'foo': 'XYXYfoo barXY'})) == 'XYfoo barXY'

  		




  
  158
  
    

  		




  
  159
  
    

  		




  
  160
  
    
def test_removesuffix_templatetag():

  		




  
  161
  
    
    tmpl = Template('{{ foo|removesuffix }}')

  		




  
  162
  
    
    assert tmpl.render(Context()) == ''

  		




  
  163
  
    
    assert tmpl.render(Context({'foo': None})) == ''

  		




  
  164
  
    
    assert tmpl.render(Context({'foo': 'foo bar'})) == 'foo bar'

  		




  
  165
  
    
    tmpl = Template('{{ foo|removesuffix:"" }}')

  		




  
  166
  
    
    assert tmpl.render(Context({'foo': 'foo bar'})) == 'foo bar'

  		




  
  167
  
    
    tmpl = Template('{{ foo|removesuffix:"XY" }}')

  		




  
  168
  
    
    assert tmpl.render(Context({'foo': 'XYfoo barXY'})) == 'XYfoo bar'

  		




  
  169
  
    
    assert tmpl.render(Context({'foo': 'foo bar'})) == 'foo bar'

  		




  
  170
  
    
    assert tmpl.render(Context({'foo': 'XYfoo barxy'})) == 'XYfoo barxy'

  		




  
  171
  
    
    assert tmpl.render(Context({'foo': 'XYfoo barXY '})) == 'XYfoo barXY '

  		




  
  172
  
    
    assert tmpl.render(Context({'foo': 'XYfoo barXYXY'})) == 'XYfoo barXY'

  		




  
  173
  
    

  		




  
  174
  
    

  		




  144
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def test_get_group():

  		




  145
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    context = Context({'cities': [

  		




  146
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        {'name': 'Mumbai', 'population': '19,000,000', 'country': 'India'},

  		




  147
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        {'name': 'New York', 'population': '20,000,000', 'country': 'USA'},

  		




  148
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        {'name': 'Calcutta', 'population': '15,000,000', 'country': 'India'},

  		




  149
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        {'name': 'Chicago', 'population': '7,000,000', 'country': 'USA'},

  		




  150
  181
  
    
        {'name': 'Tokyo', 'population': '33,000,000', 'country': 'Japan'},

  		




  151
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    ]})

  		




  152
  
  
    
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