author | Sverre Rabbelier <srabbelier@gmail.com> |
Sun, 15 Mar 2009 13:36:14 +0000 | |
changeset 1865 | f00720cddea0 |
parent 323 | ff1a9aa48cfd |
permissions | -rw-r--r-- |
323
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Load ../vendor/django into trunk/app/django.
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parents:
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1 |
""" |
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parents:
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2 |
Form Widget classes specific to the Django admin site. |
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Pawel Solyga <Pawel.Solyga@gmail.com>
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3 |
""" |
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4 |
|
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5 |
import copy |
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6 |
|
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7 |
from django import forms |
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8 |
from django.forms.widgets import RadioFieldRenderer |
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9 |
from django.forms.util import flatatt |
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10 |
from django.utils.text import truncate_words |
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11 |
from django.utils.translation import ugettext as _ |
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12 |
from django.utils.safestring import mark_safe |
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from django.utils.encoding import force_unicode |
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from django.conf import settings |
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15 |
|
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16 |
class FilteredSelectMultiple(forms.SelectMultiple): |
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17 |
""" |
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18 |
A SelectMultiple with a JavaScript filter interface. |
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19 |
|
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20 |
Note that the resulting JavaScript assumes that the jsi18n |
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21 |
catalog has been loaded in the page |
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22 |
""" |
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23 |
class Media: |
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24 |
js = (settings.ADMIN_MEDIA_PREFIX + "js/core.js", |
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25 |
settings.ADMIN_MEDIA_PREFIX + "js/SelectBox.js", |
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26 |
settings.ADMIN_MEDIA_PREFIX + "js/SelectFilter2.js") |
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27 |
|
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def __init__(self, verbose_name, is_stacked, attrs=None, choices=()): |
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self.verbose_name = verbose_name |
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self.is_stacked = is_stacked |
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super(FilteredSelectMultiple, self).__init__(attrs, choices) |
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|
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def render(self, name, value, attrs=None, choices=()): |
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output = [super(FilteredSelectMultiple, self).render(name, value, attrs, choices)] |
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output.append(u'<script type="text/javascript">addEvent(window, "load", function(e) {') |
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36 |
# TODO: "id_" is hard-coded here. This should instead use the correct |
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37 |
# API to determine the ID dynamically. |
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38 |
output.append(u'SelectFilter.init("id_%s", "%s", %s, "%s"); });</script>\n' % \ |
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39 |
(name, self.verbose_name.replace('"', '\\"'), int(self.is_stacked), settings.ADMIN_MEDIA_PREFIX)) |
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return mark_safe(u''.join(output)) |
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41 |
|
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42 |
class AdminDateWidget(forms.TextInput): |
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43 |
class Media: |
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js = (settings.ADMIN_MEDIA_PREFIX + "js/calendar.js", |
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settings.ADMIN_MEDIA_PREFIX + "js/admin/DateTimeShortcuts.js") |
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46 |
|
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47 |
def __init__(self, attrs={}): |
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48 |
super(AdminDateWidget, self).__init__(attrs={'class': 'vDateField', 'size': '10'}) |
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49 |
|
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50 |
class AdminTimeWidget(forms.TextInput): |
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class Media: |
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52 |
js = (settings.ADMIN_MEDIA_PREFIX + "js/calendar.js", |
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53 |
settings.ADMIN_MEDIA_PREFIX + "js/admin/DateTimeShortcuts.js") |
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54 |
|
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55 |
def __init__(self, attrs={}): |
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super(AdminTimeWidget, self).__init__(attrs={'class': 'vTimeField', 'size': '8'}) |
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57 |
|
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58 |
class AdminSplitDateTime(forms.SplitDateTimeWidget): |
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59 |
""" |
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60 |
A SplitDateTime Widget that has some admin-specific styling. |
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61 |
""" |
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62 |
def __init__(self, attrs=None): |
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63 |
widgets = [AdminDateWidget, AdminTimeWidget] |
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64 |
# Note that we're calling MultiWidget, not SplitDateTimeWidget, because |
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65 |
# we want to define widgets. |
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66 |
forms.MultiWidget.__init__(self, widgets, attrs) |
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67 |
|
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68 |
def format_output(self, rendered_widgets): |
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69 |
return mark_safe(u'<p class="datetime">%s %s<br />%s %s</p>' % \ |
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(_('Date:'), rendered_widgets[0], _('Time:'), rendered_widgets[1])) |
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71 |
|
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72 |
class AdminRadioFieldRenderer(RadioFieldRenderer): |
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73 |
def render(self): |
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74 |
"""Outputs a <ul> for this set of radio fields.""" |
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75 |
return mark_safe(u'<ul%s>\n%s\n</ul>' % ( |
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76 |
flatatt(self.attrs), |
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77 |
u'\n'.join([u'<li>%s</li>' % force_unicode(w) for w in self])) |
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78 |
) |
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79 |
|
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80 |
class AdminRadioSelect(forms.RadioSelect): |
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81 |
renderer = AdminRadioFieldRenderer |
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82 |
|
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83 |
class AdminFileWidget(forms.FileInput): |
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84 |
""" |
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85 |
A FileField Widget that shows its current value if it has one. |
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86 |
""" |
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87 |
def __init__(self, attrs={}): |
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88 |
super(AdminFileWidget, self).__init__(attrs) |
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89 |
|
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90 |
def render(self, name, value, attrs=None): |
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91 |
output = [] |
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92 |
if value and hasattr(value, "url"): |
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93 |
output.append('%s <a target="_blank" href="%s">%s</a> <br />%s ' % \ |
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94 |
(_('Currently:'), value.url, value, _('Change:'))) |
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95 |
output.append(super(AdminFileWidget, self).render(name, value, attrs)) |
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96 |
return mark_safe(u''.join(output)) |
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97 |
|
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98 |
class ForeignKeyRawIdWidget(forms.TextInput): |
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Pawel Solyga <Pawel.Solyga@gmail.com>
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99 |
""" |
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100 |
A Widget for displaying ForeignKeys in the "raw_id" interface rather than |
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parents:
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101 |
in a <select> box. |
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102 |
""" |
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103 |
def __init__(self, rel, attrs=None): |
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104 |
self.rel = rel |
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105 |
super(ForeignKeyRawIdWidget, self).__init__(attrs) |
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106 |
|
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parents:
diff
changeset
|
107 |
def render(self, name, value, attrs=None): |
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parents:
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changeset
|
108 |
if attrs is None: |
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parents:
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changeset
|
109 |
attrs = {} |
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parents:
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changeset
|
110 |
related_url = '../../../%s/%s/' % (self.rel.to._meta.app_label, self.rel.to._meta.object_name.lower()) |
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parents:
diff
changeset
|
111 |
params = self.url_parameters() |
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parents:
diff
changeset
|
112 |
if params: |
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parents:
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changeset
|
113 |
url = '?' + '&'.join(['%s=%s' % (k, v) for k, v in params.items()]) |
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parents:
diff
changeset
|
114 |
else: |
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parents:
diff
changeset
|
115 |
url = '' |
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parents:
diff
changeset
|
116 |
if not attrs.has_key('class'): |
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parents:
diff
changeset
|
117 |
attrs['class'] = 'vForeignKeyRawIdAdminField' # The JavaScript looks for this hook. |
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parents:
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|
118 |
output = [super(ForeignKeyRawIdWidget, self).render(name, value, attrs)] |
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parents:
diff
changeset
|
119 |
# TODO: "id_" is hard-coded here. This should instead use the correct |
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parents:
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changeset
|
120 |
# API to determine the ID dynamically. |
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parents:
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changeset
|
121 |
output.append('<a href="%s%s" class="related-lookup" id="lookup_id_%s" onclick="return showRelatedObjectLookupPopup(this);"> ' % \ |
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parents:
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changeset
|
122 |
(related_url, url, name)) |
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parents:
diff
changeset
|
123 |
output.append('<img src="%simg/admin/selector-search.gif" width="16" height="16" alt="%s" /></a>' % (settings.ADMIN_MEDIA_PREFIX, _('Lookup'))) |
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parents:
diff
changeset
|
124 |
if value: |
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parents:
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|
125 |
output.append(self.label_for_value(value)) |
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parents:
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changeset
|
126 |
return mark_safe(u''.join(output)) |
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parents:
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changeset
|
127 |
|
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parents:
diff
changeset
|
128 |
def base_url_parameters(self): |
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parents:
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|
129 |
params = {} |
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parents:
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changeset
|
130 |
if self.rel.limit_choices_to: |
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parents:
diff
changeset
|
131 |
items = [] |
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parents:
diff
changeset
|
132 |
for k, v in self.rel.limit_choices_to.items(): |
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parents:
diff
changeset
|
133 |
if isinstance(v, list): |
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parents:
diff
changeset
|
134 |
v = [str(x) for x in v] |
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parents:
diff
changeset
|
135 |
else: |
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parents:
diff
changeset
|
136 |
v = str(v) |
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parents:
diff
changeset
|
137 |
items.append((k, ','.join(v))) |
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parents:
diff
changeset
|
138 |
params.update(dict(items)) |
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parents:
diff
changeset
|
139 |
return params |
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parents:
diff
changeset
|
140 |
|
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parents:
diff
changeset
|
141 |
def url_parameters(self): |
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parents:
diff
changeset
|
142 |
from django.contrib.admin.views.main import TO_FIELD_VAR |
ff1a9aa48cfd
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parents:
diff
changeset
|
143 |
params = self.base_url_parameters() |
ff1a9aa48cfd
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Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
diff
changeset
|
144 |
params.update({TO_FIELD_VAR: self.rel.get_related_field().name}) |
ff1a9aa48cfd
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Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
diff
changeset
|
145 |
return params |
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Load ../vendor/django into trunk/app/django.
Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
diff
changeset
|
146 |
|
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parents:
diff
changeset
|
147 |
def label_for_value(self, value): |
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parents:
diff
changeset
|
148 |
key = self.rel.get_related_field().name |
ff1a9aa48cfd
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parents:
diff
changeset
|
149 |
obj = self.rel.to.objects.get(**{key: value}) |
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parents:
diff
changeset
|
150 |
return ' <strong>%s</strong>' % truncate_words(obj, 14) |
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parents:
diff
changeset
|
151 |
|
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parents:
diff
changeset
|
152 |
class ManyToManyRawIdWidget(ForeignKeyRawIdWidget): |
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parents:
diff
changeset
|
153 |
""" |
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parents:
diff
changeset
|
154 |
A Widget for displaying ManyToMany ids in the "raw_id" interface rather than |
ff1a9aa48cfd
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parents:
diff
changeset
|
155 |
in a <select multiple> box. |
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Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
diff
changeset
|
156 |
""" |
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parents:
diff
changeset
|
157 |
def __init__(self, rel, attrs=None): |
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parents:
diff
changeset
|
158 |
super(ManyToManyRawIdWidget, self).__init__(rel, attrs) |
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parents:
diff
changeset
|
159 |
|
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Load ../vendor/django into trunk/app/django.
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parents:
diff
changeset
|
160 |
def render(self, name, value, attrs=None): |
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Load ../vendor/django into trunk/app/django.
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parents:
diff
changeset
|
161 |
attrs['class'] = 'vManyToManyRawIdAdminField' |
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parents:
diff
changeset
|
162 |
if value: |
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Load ../vendor/django into trunk/app/django.
Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
diff
changeset
|
163 |
value = ','.join([str(v) for v in value]) |
ff1a9aa48cfd
Load ../vendor/django into trunk/app/django.
Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
diff
changeset
|
164 |
else: |
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parents:
diff
changeset
|
165 |
value = '' |
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parents:
diff
changeset
|
166 |
return super(ManyToManyRawIdWidget, self).render(name, value, attrs) |
ff1a9aa48cfd
Load ../vendor/django into trunk/app/django.
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parents:
diff
changeset
|
167 |
|
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Load ../vendor/django into trunk/app/django.
Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
diff
changeset
|
168 |
def url_parameters(self): |
ff1a9aa48cfd
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parents:
diff
changeset
|
169 |
return self.base_url_parameters() |
ff1a9aa48cfd
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parents:
diff
changeset
|
170 |
|
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Load ../vendor/django into trunk/app/django.
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parents:
diff
changeset
|
171 |
def label_for_value(self, value): |
ff1a9aa48cfd
Load ../vendor/django into trunk/app/django.
Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
diff
changeset
|
172 |
return '' |
ff1a9aa48cfd
Load ../vendor/django into trunk/app/django.
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parents:
diff
changeset
|
173 |
|
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Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
diff
changeset
|
174 |
def value_from_datadict(self, data, files, name): |
ff1a9aa48cfd
Load ../vendor/django into trunk/app/django.
Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
diff
changeset
|
175 |
value = data.get(name, None) |
ff1a9aa48cfd
Load ../vendor/django into trunk/app/django.
Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
diff
changeset
|
176 |
if value and ',' in value: |
ff1a9aa48cfd
Load ../vendor/django into trunk/app/django.
Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
diff
changeset
|
177 |
return data[name].split(',') |
ff1a9aa48cfd
Load ../vendor/django into trunk/app/django.
Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
diff
changeset
|
178 |
if value: |
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Load ../vendor/django into trunk/app/django.
Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
diff
changeset
|
179 |
return [value] |
ff1a9aa48cfd
Load ../vendor/django into trunk/app/django.
Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
diff
changeset
|
180 |
return None |
ff1a9aa48cfd
Load ../vendor/django into trunk/app/django.
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parents:
diff
changeset
|
181 |
|
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Load ../vendor/django into trunk/app/django.
Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
diff
changeset
|
182 |
def _has_changed(self, initial, data): |
ff1a9aa48cfd
Load ../vendor/django into trunk/app/django.
Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
diff
changeset
|
183 |
if initial is None: |
ff1a9aa48cfd
Load ../vendor/django into trunk/app/django.
Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
diff
changeset
|
184 |
initial = [] |
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Load ../vendor/django into trunk/app/django.
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parents:
diff
changeset
|
185 |
if data is None: |
ff1a9aa48cfd
Load ../vendor/django into trunk/app/django.
Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
diff
changeset
|
186 |
data = [] |
ff1a9aa48cfd
Load ../vendor/django into trunk/app/django.
Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
diff
changeset
|
187 |
if len(initial) != len(data): |
ff1a9aa48cfd
Load ../vendor/django into trunk/app/django.
Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
diff
changeset
|
188 |
return True |
ff1a9aa48cfd
Load ../vendor/django into trunk/app/django.
Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
diff
changeset
|
189 |
for pk1, pk2 in zip(initial, data): |
ff1a9aa48cfd
Load ../vendor/django into trunk/app/django.
Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
diff
changeset
|
190 |
if force_unicode(pk1) != force_unicode(pk2): |
ff1a9aa48cfd
Load ../vendor/django into trunk/app/django.
Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
diff
changeset
|
191 |
return True |
ff1a9aa48cfd
Load ../vendor/django into trunk/app/django.
Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
diff
changeset
|
192 |
return False |
ff1a9aa48cfd
Load ../vendor/django into trunk/app/django.
Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
diff
changeset
|
193 |
|
ff1a9aa48cfd
Load ../vendor/django into trunk/app/django.
Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
diff
changeset
|
194 |
class RelatedFieldWidgetWrapper(forms.Widget): |
ff1a9aa48cfd
Load ../vendor/django into trunk/app/django.
Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
diff
changeset
|
195 |
""" |
ff1a9aa48cfd
Load ../vendor/django into trunk/app/django.
Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
diff
changeset
|
196 |
This class is a wrapper to a given widget to add the add icon for the |
ff1a9aa48cfd
Load ../vendor/django into trunk/app/django.
Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
diff
changeset
|
197 |
admin interface. |
ff1a9aa48cfd
Load ../vendor/django into trunk/app/django.
Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
diff
changeset
|
198 |
""" |
ff1a9aa48cfd
Load ../vendor/django into trunk/app/django.
Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
diff
changeset
|
199 |
def __init__(self, widget, rel, admin_site): |
ff1a9aa48cfd
Load ../vendor/django into trunk/app/django.
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parents:
diff
changeset
|
200 |
self.is_hidden = widget.is_hidden |
ff1a9aa48cfd
Load ../vendor/django into trunk/app/django.
Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
diff
changeset
|
201 |
self.needs_multipart_form = widget.needs_multipart_form |
ff1a9aa48cfd
Load ../vendor/django into trunk/app/django.
Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
diff
changeset
|
202 |
self.attrs = widget.attrs |
ff1a9aa48cfd
Load ../vendor/django into trunk/app/django.
Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
diff
changeset
|
203 |
self.choices = widget.choices |
ff1a9aa48cfd
Load ../vendor/django into trunk/app/django.
Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
diff
changeset
|
204 |
self.widget = widget |
ff1a9aa48cfd
Load ../vendor/django into trunk/app/django.
Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
diff
changeset
|
205 |
self.rel = rel |
ff1a9aa48cfd
Load ../vendor/django into trunk/app/django.
Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
diff
changeset
|
206 |
# so we can check if the related object is registered with this AdminSite |
ff1a9aa48cfd
Load ../vendor/django into trunk/app/django.
Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
diff
changeset
|
207 |
self.admin_site = admin_site |
ff1a9aa48cfd
Load ../vendor/django into trunk/app/django.
Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
diff
changeset
|
208 |
|
ff1a9aa48cfd
Load ../vendor/django into trunk/app/django.
Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
diff
changeset
|
209 |
def __deepcopy__(self, memo): |
ff1a9aa48cfd
Load ../vendor/django into trunk/app/django.
Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
diff
changeset
|
210 |
obj = copy.copy(self) |
ff1a9aa48cfd
Load ../vendor/django into trunk/app/django.
Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
diff
changeset
|
211 |
obj.widget = copy.deepcopy(self.widget, memo) |
ff1a9aa48cfd
Load ../vendor/django into trunk/app/django.
Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
diff
changeset
|
212 |
obj.attrs = self.widget.attrs |
ff1a9aa48cfd
Load ../vendor/django into trunk/app/django.
Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
diff
changeset
|
213 |
memo[id(self)] = obj |
ff1a9aa48cfd
Load ../vendor/django into trunk/app/django.
Pawel Solyga <Pawel.Solyga@gmail.com>
parents:
diff
changeset
|
214 |
return obj |
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215 |
|
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216 |
def _media(self): |
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217 |
return self.widget.media |
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media = property(_media) |
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219 |
|
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220 |
def render(self, name, value, *args, **kwargs): |
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221 |
rel_to = self.rel.to |
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222 |
related_url = '../../../%s/%s/' % (rel_to._meta.app_label, rel_to._meta.object_name.lower()) |
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223 |
self.widget.choices = self.choices |
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224 |
output = [self.widget.render(name, value, *args, **kwargs)] |
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225 |
if rel_to in self.admin_site._registry: # If the related object has an admin interface: |
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226 |
# TODO: "id_" is hard-coded here. This should instead use the correct |
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227 |
# API to determine the ID dynamically. |
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228 |
output.append(u'<a href="%sadd/" class="add-another" id="add_id_%s" onclick="return showAddAnotherPopup(this);"> ' % \ |
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229 |
(related_url, name)) |
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230 |
output.append(u'<img src="%simg/admin/icon_addlink.gif" width="10" height="10" alt="%s"/></a>' % (settings.ADMIN_MEDIA_PREFIX, _('Add Another'))) |
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231 |
return mark_safe(u''.join(output)) |
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232 |
|
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233 |
def build_attrs(self, extra_attrs=None, **kwargs): |
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234 |
"Helper function for building an attribute dictionary." |
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235 |
self.attrs = self.widget.build_attrs(extra_attrs=None, **kwargs) |
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236 |
return self.attrs |
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237 |
|
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238 |
def value_from_datadict(self, data, files, name): |
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239 |
return self.widget.value_from_datadict(data, files, name) |
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240 |
|
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241 |
def _has_changed(self, initial, data): |
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242 |
return self.widget._has_changed(initial, data) |
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243 |
|
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244 |
def id_for_label(self, id_): |
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245 |
return self.widget.id_for_label(id_) |
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246 |
|
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247 |
class AdminTextareaWidget(forms.Textarea): |
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248 |
def __init__(self, attrs=None): |
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249 |
final_attrs = {'class': 'vLargeTextField'} |
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250 |
if attrs is not None: |
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251 |
final_attrs.update(attrs) |
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252 |
super(AdminTextareaWidget, self).__init__(attrs=final_attrs) |
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253 |
|
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254 |
class AdminTextInputWidget(forms.TextInput): |
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255 |
def __init__(self, attrs=None): |
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256 |
final_attrs = {'class': 'vTextField'} |
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257 |
if attrs is not None: |
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258 |
final_attrs.update(attrs) |
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259 |
super(AdminTextInputWidget, self).__init__(attrs=final_attrs) |
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260 |
|
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261 |
class AdminURLFieldWidget(forms.TextInput): |
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262 |
def __init__(self, attrs=None): |
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263 |
final_attrs = {'class': 'vURLField'} |
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|
264 |
if attrs is not None: |
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265 |
final_attrs.update(attrs) |
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266 |
super(AdminURLFieldWidget, self).__init__(attrs=final_attrs) |
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|
267 |
|
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268 |
class AdminIntegerFieldWidget(forms.TextInput): |
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|
269 |
def __init__(self, attrs=None): |
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270 |
final_attrs = {'class': 'vIntegerField'} |
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|
271 |
if attrs is not None: |
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272 |
final_attrs.update(attrs) |
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|
273 |
super(AdminIntegerFieldWidget, self).__init__(attrs=final_attrs) |
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|
274 |
|
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275 |
class AdminCommaSeparatedIntegerFieldWidget(forms.TextInput): |
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|
276 |
def __init__(self, attrs=None): |
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277 |
final_attrs = {'class': 'vCommaSeparatedIntegerField'} |
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|
278 |
if attrs is not None: |
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|
279 |
final_attrs.update(attrs) |
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|
280 |
super(AdminCommaSeparatedIntegerFieldWidget, self).__init__(attrs=final_attrs) |