550 lines
24 KiB
Python
550 lines
24 KiB
Python
import warnings
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from django.forms import CharField, Form, Media, MultiWidget, TextInput
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from django.template import Context, Template
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from django.test import SimpleTestCase, override_settings
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@override_settings(
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STATIC_URL='http://media.example.com/static/',
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)
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class FormsMediaTestCase(SimpleTestCase):
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"""Tests for the media handling on widgets and forms"""
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def test_construction(self):
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# Check construction of media objects
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m = Media(
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css={'all': ('path/to/css1', '/path/to/css2')},
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js=('/path/to/js1', 'http://media.other.com/path/to/js2', 'https://secure.other.com/path/to/js3'),
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)
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self.assertEqual(
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str(m),
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"""<link href="http://media.example.com/static/path/to/css1" type="text/css" media="all" rel="stylesheet" />
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<link href="/path/to/css2" type="text/css" media="all" rel="stylesheet" />
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<script type="text/javascript" src="/path/to/js1"></script>
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<script type="text/javascript" src="http://media.other.com/path/to/js2"></script>
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<script type="text/javascript" src="https://secure.other.com/path/to/js3"></script>"""
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)
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self.assertEqual(
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repr(m),
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"Media(css={'all': ('path/to/css1', '/path/to/css2')}, "
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"js=('/path/to/js1', 'http://media.other.com/path/to/js2', 'https://secure.other.com/path/to/js3'))"
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)
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class Foo:
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css = {
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'all': ('path/to/css1', '/path/to/css2')
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}
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js = ('/path/to/js1', 'http://media.other.com/path/to/js2', 'https://secure.other.com/path/to/js3')
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m3 = Media(Foo)
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self.assertEqual(
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str(m3),
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"""<link href="http://media.example.com/static/path/to/css1" type="text/css" media="all" rel="stylesheet" />
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<link href="/path/to/css2" type="text/css" media="all" rel="stylesheet" />
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<script type="text/javascript" src="/path/to/js1"></script>
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<script type="text/javascript" src="http://media.other.com/path/to/js2"></script>
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<script type="text/javascript" src="https://secure.other.com/path/to/js3"></script>"""
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)
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# A widget can exist without a media definition
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class MyWidget(TextInput):
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pass
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w = MyWidget()
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self.assertEqual(str(w.media), '')
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def test_media_dsl(self):
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###############################################################
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# DSL Class-based media definitions
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###############################################################
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# A widget can define media if it needs to.
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# Any absolute path will be preserved; relative paths are combined
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# with the value of settings.MEDIA_URL
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class MyWidget1(TextInput):
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class Media:
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css = {
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'all': ('path/to/css1', '/path/to/css2')
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}
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js = ('/path/to/js1', 'http://media.other.com/path/to/js2', 'https://secure.other.com/path/to/js3')
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w1 = MyWidget1()
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self.assertEqual(
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str(w1.media),
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"""<link href="http://media.example.com/static/path/to/css1" type="text/css" media="all" rel="stylesheet" />
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<link href="/path/to/css2" type="text/css" media="all" rel="stylesheet" />
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<script type="text/javascript" src="/path/to/js1"></script>
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<script type="text/javascript" src="http://media.other.com/path/to/js2"></script>
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<script type="text/javascript" src="https://secure.other.com/path/to/js3"></script>"""
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)
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# Media objects can be interrogated by media type
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self.assertEqual(
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str(w1.media['css']),
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"""<link href="http://media.example.com/static/path/to/css1" type="text/css" media="all" rel="stylesheet" />
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<link href="/path/to/css2" type="text/css" media="all" rel="stylesheet" />"""
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)
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self.assertEqual(
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str(w1.media['js']),
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"""<script type="text/javascript" src="/path/to/js1"></script>
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<script type="text/javascript" src="http://media.other.com/path/to/js2"></script>
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<script type="text/javascript" src="https://secure.other.com/path/to/js3"></script>"""
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)
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def test_combine_media(self):
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# Media objects can be combined. Any given media resource will appear only
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# once. Duplicated media definitions are ignored.
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class MyWidget1(TextInput):
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class Media:
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css = {
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'all': ('path/to/css1', '/path/to/css2')
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}
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js = ('/path/to/js1', 'http://media.other.com/path/to/js2', 'https://secure.other.com/path/to/js3')
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class MyWidget2(TextInput):
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class Media:
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css = {
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'all': ('/path/to/css2', '/path/to/css3')
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}
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js = ('/path/to/js1', '/path/to/js4')
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class MyWidget3(TextInput):
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class Media:
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css = {
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'all': ('path/to/css1', '/path/to/css3')
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}
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js = ('/path/to/js1', '/path/to/js4')
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w1 = MyWidget1()
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w2 = MyWidget2()
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w3 = MyWidget3()
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self.assertEqual(
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str(w1.media + w2.media + w3.media),
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"""<link href="http://media.example.com/static/path/to/css1" type="text/css" media="all" rel="stylesheet" />
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<link href="/path/to/css2" type="text/css" media="all" rel="stylesheet" />
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<link href="/path/to/css3" type="text/css" media="all" rel="stylesheet" />
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<script type="text/javascript" src="/path/to/js1"></script>
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<script type="text/javascript" src="http://media.other.com/path/to/js2"></script>
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<script type="text/javascript" src="https://secure.other.com/path/to/js3"></script>
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<script type="text/javascript" src="/path/to/js4"></script>"""
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)
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# media addition hasn't affected the original objects
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self.assertEqual(
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str(w1.media),
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"""<link href="http://media.example.com/static/path/to/css1" type="text/css" media="all" rel="stylesheet" />
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<link href="/path/to/css2" type="text/css" media="all" rel="stylesheet" />
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<script type="text/javascript" src="/path/to/js1"></script>
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<script type="text/javascript" src="http://media.other.com/path/to/js2"></script>
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<script type="text/javascript" src="https://secure.other.com/path/to/js3"></script>"""
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)
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# Regression check for #12879: specifying the same CSS or JS file
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# multiple times in a single Media instance should result in that file
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# only being included once.
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class MyWidget4(TextInput):
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class Media:
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css = {'all': ('/path/to/css1', '/path/to/css1')}
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js = ('/path/to/js1', '/path/to/js1')
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w4 = MyWidget4()
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self.assertEqual(str(w4.media), """<link href="/path/to/css1" type="text/css" media="all" rel="stylesheet" />
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<script type="text/javascript" src="/path/to/js1"></script>""")
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def test_media_property(self):
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###############################################################
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# Property-based media definitions
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###############################################################
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# Widget media can be defined as a property
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class MyWidget4(TextInput):
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def _media(self):
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return Media(css={'all': ('/some/path',)}, js=('/some/js',))
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media = property(_media)
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w4 = MyWidget4()
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self.assertEqual(str(w4.media), """<link href="/some/path" type="text/css" media="all" rel="stylesheet" />
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<script type="text/javascript" src="/some/js"></script>""")
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# Media properties can reference the media of their parents
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class MyWidget5(MyWidget4):
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def _media(self):
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return super().media + Media(css={'all': ('/other/path',)}, js=('/other/js',))
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media = property(_media)
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w5 = MyWidget5()
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self.assertEqual(str(w5.media), """<link href="/some/path" type="text/css" media="all" rel="stylesheet" />
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<link href="/other/path" type="text/css" media="all" rel="stylesheet" />
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<script type="text/javascript" src="/some/js"></script>
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<script type="text/javascript" src="/other/js"></script>""")
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def test_media_property_parent_references(self):
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# Media properties can reference the media of their parents,
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# even if the parent media was defined using a class
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class MyWidget1(TextInput):
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class Media:
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css = {
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'all': ('path/to/css1', '/path/to/css2')
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}
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js = ('/path/to/js1', 'http://media.other.com/path/to/js2', 'https://secure.other.com/path/to/js3')
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class MyWidget6(MyWidget1):
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def _media(self):
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return super().media + Media(css={'all': ('/other/path',)}, js=('/other/js',))
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media = property(_media)
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w6 = MyWidget6()
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self.assertEqual(
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str(w6.media),
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"""<link href="http://media.example.com/static/path/to/css1" type="text/css" media="all" rel="stylesheet" />
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<link href="/path/to/css2" type="text/css" media="all" rel="stylesheet" />
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<link href="/other/path" type="text/css" media="all" rel="stylesheet" />
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<script type="text/javascript" src="/path/to/js1"></script>
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<script type="text/javascript" src="http://media.other.com/path/to/js2"></script>
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<script type="text/javascript" src="https://secure.other.com/path/to/js3"></script>
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<script type="text/javascript" src="/other/js"></script>"""
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)
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def test_media_inheritance(self):
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###############################################################
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# Inheritance of media
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###############################################################
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# If a widget extends another but provides no media definition, it inherits the parent widget's media
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class MyWidget1(TextInput):
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class Media:
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css = {
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'all': ('path/to/css1', '/path/to/css2')
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}
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js = ('/path/to/js1', 'http://media.other.com/path/to/js2', 'https://secure.other.com/path/to/js3')
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class MyWidget7(MyWidget1):
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pass
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w7 = MyWidget7()
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self.assertEqual(
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str(w7.media),
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"""<link href="http://media.example.com/static/path/to/css1" type="text/css" media="all" rel="stylesheet" />
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<link href="/path/to/css2" type="text/css" media="all" rel="stylesheet" />
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<script type="text/javascript" src="/path/to/js1"></script>
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<script type="text/javascript" src="http://media.other.com/path/to/js2"></script>
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<script type="text/javascript" src="https://secure.other.com/path/to/js3"></script>"""
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)
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# If a widget extends another but defines media, it extends the parent widget's media by default
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class MyWidget8(MyWidget1):
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class Media:
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css = {
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'all': ('/path/to/css3', 'path/to/css1')
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}
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js = ('/path/to/js1', '/path/to/js4')
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w8 = MyWidget8()
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self.assertEqual(
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str(w8.media),
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"""<link href="/path/to/css3" type="text/css" media="all" rel="stylesheet" />
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<link href="http://media.example.com/static/path/to/css1" type="text/css" media="all" rel="stylesheet" />
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<link href="/path/to/css2" type="text/css" media="all" rel="stylesheet" />
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<script type="text/javascript" src="/path/to/js1"></script>
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<script type="text/javascript" src="http://media.other.com/path/to/js2"></script>
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<script type="text/javascript" src="https://secure.other.com/path/to/js3"></script>
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<script type="text/javascript" src="/path/to/js4"></script>"""
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)
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def test_media_inheritance_from_property(self):
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# If a widget extends another but defines media, it extends the parents widget's media,
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# even if the parent defined media using a property.
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class MyWidget1(TextInput):
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class Media:
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css = {
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'all': ('path/to/css1', '/path/to/css2')
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}
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js = ('/path/to/js1', 'http://media.other.com/path/to/js2', 'https://secure.other.com/path/to/js3')
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class MyWidget4(TextInput):
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def _media(self):
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return Media(css={'all': ('/some/path',)}, js=('/some/js',))
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media = property(_media)
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class MyWidget9(MyWidget4):
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class Media:
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css = {
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'all': ('/other/path',)
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}
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js = ('/other/js',)
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w9 = MyWidget9()
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self.assertEqual(
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str(w9.media),
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"""<link href="/some/path" type="text/css" media="all" rel="stylesheet" />
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<link href="/other/path" type="text/css" media="all" rel="stylesheet" />
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<script type="text/javascript" src="/some/js"></script>
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<script type="text/javascript" src="/other/js"></script>"""
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)
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# A widget can disable media inheritance by specifying 'extend=False'
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class MyWidget10(MyWidget1):
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class Media:
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extend = False
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css = {
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'all': ('/path/to/css3', 'path/to/css1')
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}
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js = ('/path/to/js1', '/path/to/js4')
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w10 = MyWidget10()
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self.assertEqual(str(w10.media), """<link href="/path/to/css3" type="text/css" media="all" rel="stylesheet" />
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<link href="http://media.example.com/static/path/to/css1" type="text/css" media="all" rel="stylesheet" />
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<script type="text/javascript" src="/path/to/js1"></script>
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<script type="text/javascript" src="/path/to/js4"></script>""")
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def test_media_inheritance_extends(self):
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# A widget can explicitly enable full media inheritance by specifying 'extend=True'
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class MyWidget1(TextInput):
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class Media:
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css = {
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'all': ('path/to/css1', '/path/to/css2')
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}
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js = ('/path/to/js1', 'http://media.other.com/path/to/js2', 'https://secure.other.com/path/to/js3')
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class MyWidget11(MyWidget1):
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class Media:
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extend = True
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css = {
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'all': ('/path/to/css3', 'path/to/css1')
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}
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js = ('/path/to/js1', '/path/to/js4')
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w11 = MyWidget11()
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self.assertEqual(
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str(w11.media),
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"""<link href="/path/to/css3" type="text/css" media="all" rel="stylesheet" />
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<link href="http://media.example.com/static/path/to/css1" type="text/css" media="all" rel="stylesheet" />
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<link href="/path/to/css2" type="text/css" media="all" rel="stylesheet" />
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<script type="text/javascript" src="/path/to/js1"></script>
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<script type="text/javascript" src="http://media.other.com/path/to/js2"></script>
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<script type="text/javascript" src="https://secure.other.com/path/to/js3"></script>
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<script type="text/javascript" src="/path/to/js4"></script>"""
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)
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def test_media_inheritance_single_type(self):
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# A widget can enable inheritance of one media type by specifying extend as a tuple
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class MyWidget1(TextInput):
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class Media:
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css = {
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'all': ('path/to/css1', '/path/to/css2')
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}
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js = ('/path/to/js1', 'http://media.other.com/path/to/js2', 'https://secure.other.com/path/to/js3')
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class MyWidget12(MyWidget1):
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class Media:
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extend = ('css',)
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css = {
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'all': ('/path/to/css3', 'path/to/css1')
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}
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js = ('/path/to/js1', '/path/to/js4')
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w12 = MyWidget12()
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self.assertEqual(
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str(w12.media),
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"""<link href="/path/to/css3" type="text/css" media="all" rel="stylesheet" />
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<link href="http://media.example.com/static/path/to/css1" type="text/css" media="all" rel="stylesheet" />
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<link href="/path/to/css2" type="text/css" media="all" rel="stylesheet" />
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<script type="text/javascript" src="/path/to/js1"></script>
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<script type="text/javascript" src="/path/to/js4"></script>"""
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)
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def test_multi_media(self):
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###############################################################
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# Multi-media handling for CSS
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###############################################################
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# A widget can define CSS media for multiple output media types
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class MultimediaWidget(TextInput):
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class Media:
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css = {
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'screen, print': ('/file1', '/file2'),
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'screen': ('/file3',),
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'print': ('/file4',)
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}
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js = ('/path/to/js1', '/path/to/js4')
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multimedia = MultimediaWidget()
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self.assertEqual(
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str(multimedia.media),
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"""<link href="/file4" type="text/css" media="print" rel="stylesheet" />
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<link href="/file3" type="text/css" media="screen" rel="stylesheet" />
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<link href="/file1" type="text/css" media="screen, print" rel="stylesheet" />
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<link href="/file2" type="text/css" media="screen, print" rel="stylesheet" />
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<script type="text/javascript" src="/path/to/js1"></script>
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<script type="text/javascript" src="/path/to/js4"></script>"""
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)
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def test_multi_widget(self):
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###############################################################
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# Multiwidget media handling
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###############################################################
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class MyWidget1(TextInput):
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class Media:
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css = {
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'all': ('path/to/css1', '/path/to/css2')
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}
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js = ('/path/to/js1', 'http://media.other.com/path/to/js2', 'https://secure.other.com/path/to/js3')
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class MyWidget2(TextInput):
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class Media:
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css = {
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'all': ('/path/to/css2', '/path/to/css3')
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}
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js = ('/path/to/js1', '/path/to/js4')
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class MyWidget3(TextInput):
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class Media:
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css = {
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'all': ('path/to/css1', '/path/to/css3')
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}
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js = ('/path/to/js1', '/path/to/js4')
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# MultiWidgets have a default media definition that gets all the
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# media from the component widgets
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class MyMultiWidget(MultiWidget):
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def __init__(self, attrs=None):
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widgets = [MyWidget1, MyWidget2, MyWidget3]
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super().__init__(widgets, attrs)
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mymulti = MyMultiWidget()
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self.assertEqual(
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str(mymulti.media),
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"""<link href="http://media.example.com/static/path/to/css1" type="text/css" media="all" rel="stylesheet" />
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<link href="/path/to/css2" type="text/css" media="all" rel="stylesheet" />
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<link href="/path/to/css3" type="text/css" media="all" rel="stylesheet" />
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<script type="text/javascript" src="/path/to/js1"></script>
|
|
<script type="text/javascript" src="http://media.other.com/path/to/js2"></script>
|
|
<script type="text/javascript" src="https://secure.other.com/path/to/js3"></script>
|
|
<script type="text/javascript" src="/path/to/js4"></script>"""
|
|
)
|
|
|
|
def test_form_media(self):
|
|
###############################################################
|
|
# Media processing for forms
|
|
###############################################################
|
|
|
|
class MyWidget1(TextInput):
|
|
class Media:
|
|
css = {
|
|
'all': ('path/to/css1', '/path/to/css2')
|
|
}
|
|
js = ('/path/to/js1', 'http://media.other.com/path/to/js2', 'https://secure.other.com/path/to/js3')
|
|
|
|
class MyWidget2(TextInput):
|
|
class Media:
|
|
css = {
|
|
'all': ('/path/to/css2', '/path/to/css3')
|
|
}
|
|
js = ('/path/to/js1', '/path/to/js4')
|
|
|
|
class MyWidget3(TextInput):
|
|
class Media:
|
|
css = {
|
|
'all': ('path/to/css1', '/path/to/css3')
|
|
}
|
|
js = ('/path/to/js1', '/path/to/js4')
|
|
|
|
# You can ask a form for the media required by its widgets.
|
|
class MyForm(Form):
|
|
field1 = CharField(max_length=20, widget=MyWidget1())
|
|
field2 = CharField(max_length=20, widget=MyWidget2())
|
|
f1 = MyForm()
|
|
self.assertEqual(
|
|
str(f1.media),
|
|
"""<link href="http://media.example.com/static/path/to/css1" type="text/css" media="all" rel="stylesheet" />
|
|
<link href="/path/to/css2" type="text/css" media="all" rel="stylesheet" />
|
|
<link href="/path/to/css3" type="text/css" media="all" rel="stylesheet" />
|
|
<script type="text/javascript" src="/path/to/js1"></script>
|
|
<script type="text/javascript" src="http://media.other.com/path/to/js2"></script>
|
|
<script type="text/javascript" src="https://secure.other.com/path/to/js3"></script>
|
|
<script type="text/javascript" src="/path/to/js4"></script>"""
|
|
)
|
|
|
|
# Form media can be combined to produce a single media definition.
|
|
class AnotherForm(Form):
|
|
field3 = CharField(max_length=20, widget=MyWidget3())
|
|
f2 = AnotherForm()
|
|
self.assertEqual(
|
|
str(f1.media + f2.media),
|
|
"""<link href="http://media.example.com/static/path/to/css1" type="text/css" media="all" rel="stylesheet" />
|
|
<link href="/path/to/css2" type="text/css" media="all" rel="stylesheet" />
|
|
<link href="/path/to/css3" type="text/css" media="all" rel="stylesheet" />
|
|
<script type="text/javascript" src="/path/to/js1"></script>
|
|
<script type="text/javascript" src="http://media.other.com/path/to/js2"></script>
|
|
<script type="text/javascript" src="https://secure.other.com/path/to/js3"></script>
|
|
<script type="text/javascript" src="/path/to/js4"></script>"""
|
|
)
|
|
|
|
# Forms can also define media, following the same rules as widgets.
|
|
class FormWithMedia(Form):
|
|
field1 = CharField(max_length=20, widget=MyWidget1())
|
|
field2 = CharField(max_length=20, widget=MyWidget2())
|
|
|
|
class Media:
|
|
js = ('/some/form/javascript',)
|
|
css = {
|
|
'all': ('/some/form/css',)
|
|
}
|
|
f3 = FormWithMedia()
|
|
self.assertEqual(
|
|
str(f3.media),
|
|
"""<link href="http://media.example.com/static/path/to/css1" type="text/css" media="all" rel="stylesheet" />
|
|
<link href="/path/to/css2" type="text/css" media="all" rel="stylesheet" />
|
|
<link href="/path/to/css3" type="text/css" media="all" rel="stylesheet" />
|
|
<link href="/some/form/css" type="text/css" media="all" rel="stylesheet" />
|
|
<script type="text/javascript" src="/path/to/js1"></script>
|
|
<script type="text/javascript" src="http://media.other.com/path/to/js2"></script>
|
|
<script type="text/javascript" src="https://secure.other.com/path/to/js3"></script>
|
|
<script type="text/javascript" src="/path/to/js4"></script>
|
|
<script type="text/javascript" src="/some/form/javascript"></script>"""
|
|
)
|
|
|
|
# Media works in templates
|
|
self.assertEqual(
|
|
Template("{{ form.media.js }}{{ form.media.css }}").render(Context({'form': f3})),
|
|
"""<script type="text/javascript" src="/path/to/js1"></script>
|
|
<script type="text/javascript" src="http://media.other.com/path/to/js2"></script>
|
|
<script type="text/javascript" src="https://secure.other.com/path/to/js3"></script>
|
|
<script type="text/javascript" src="/path/to/js4"></script>
|
|
<script type="text/javascript" src="/some/form/javascript"></script>"""
|
|
"""<link href="http://media.example.com/static/path/to/css1" type="text/css" media="all" rel="stylesheet" />
|
|
<link href="/path/to/css2" type="text/css" media="all" rel="stylesheet" />
|
|
<link href="/path/to/css3" type="text/css" media="all" rel="stylesheet" />
|
|
<link href="/some/form/css" type="text/css" media="all" rel="stylesheet" />"""
|
|
)
|
|
|
|
def test_html_safe(self):
|
|
media = Media(css={'all': ['/path/to/css']}, js=['/path/to/js'])
|
|
self.assertTrue(hasattr(Media, '__html__'))
|
|
self.assertEqual(str(media), media.__html__())
|
|
|
|
def test_merge(self):
|
|
test_values = (
|
|
(([1, 2], [3, 4]), [1, 2, 3, 4]),
|
|
(([1, 2], [2, 3]), [1, 2, 3]),
|
|
(([2, 3], [1, 2]), [1, 2, 3]),
|
|
(([1, 3], [2, 3]), [1, 2, 3]),
|
|
(([1, 2], [1, 3]), [1, 2, 3]),
|
|
(([1, 2], [3, 2]), [1, 3, 2]),
|
|
)
|
|
for (list1, list2), expected in test_values:
|
|
with self.subTest(list1=list1, list2=list2):
|
|
self.assertEqual(Media.merge(list1, list2), expected)
|
|
|
|
def test_merge_warning(self):
|
|
with warnings.catch_warnings(record=True) as w:
|
|
warnings.simplefilter('always')
|
|
self.assertEqual(Media.merge([1, 2], [2, 1]), [1, 2])
|
|
self.assertEqual(
|
|
str(w[-1].message),
|
|
'Detected duplicate Media files in an opposite order:\n1\n2'
|
|
)
|