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django/tests/regressiontests/forms/extra.py

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# -*- coding: utf-8 -*-
tests = r"""
>>> from django.forms import *
>>> from django.utils.encoding import force_unicode
>>> import datetime
>>> import time
>>> import re
>>> try:
... from decimal import Decimal
... except ImportError:
... from django.utils._decimal import Decimal
###############
# Extra stuff #
###############
The forms library comes with some extra, higher-level Field and Widget
classes that demonstrate some of the library's abilities.
# SelectDateWidget ############################################################
>>> from django.forms.extras import SelectDateWidget
>>> w = SelectDateWidget(years=('2007','2008','2009','2010','2011','2012','2013','2014','2015','2016'))
>>> print w.render('mydate', '')
<select name="mydate_month" id="id_mydate_month">
<option value="1">January</option>
<option value="2">February</option>
<option value="3">March</option>
<option value="4">April</option>
<option value="5">May</option>
<option value="6">June</option>
<option value="7">July</option>
<option value="8">August</option>
<option value="9">September</option>
<option value="10">October</option>
<option value="11">November</option>
<option value="12">December</option>
</select>
<select name="mydate_day" id="id_mydate_day">
<option value="1">1</option>
<option value="2">2</option>
<option value="3">3</option>
<option value="4">4</option>
<option value="5">5</option>
<option value="6">6</option>
<option value="7">7</option>
<option value="8">8</option>
<option value="9">9</option>
<option value="10">10</option>
<option value="11">11</option>
<option value="12">12</option>
<option value="13">13</option>
<option value="14">14</option>
<option value="15">15</option>
<option value="16">16</option>
<option value="17">17</option>
<option value="18">18</option>
<option value="19">19</option>
<option value="20">20</option>
<option value="21">21</option>
<option value="22">22</option>
<option value="23">23</option>
<option value="24">24</option>
<option value="25">25</option>
<option value="26">26</option>
<option value="27">27</option>
<option value="28">28</option>
<option value="29">29</option>
<option value="30">30</option>
<option value="31">31</option>
</select>
<select name="mydate_year" id="id_mydate_year">
<option value="2007">2007</option>
<option value="2008">2008</option>
<option value="2009">2009</option>
<option value="2010">2010</option>
<option value="2011">2011</option>
<option value="2012">2012</option>
<option value="2013">2013</option>
<option value="2014">2014</option>
<option value="2015">2015</option>
<option value="2016">2016</option>
</select>
>>> w.render('mydate', None) == w.render('mydate', '')
True
>>> print w.render('mydate', '2010-04-15')
<select name="mydate_month" id="id_mydate_month">
<option value="1">January</option>
<option value="2">February</option>
<option value="3">March</option>
<option value="4" selected="selected">April</option>
<option value="5">May</option>
<option value="6">June</option>
<option value="7">July</option>
<option value="8">August</option>
<option value="9">September</option>
<option value="10">October</option>
<option value="11">November</option>
<option value="12">December</option>
</select>
<select name="mydate_day" id="id_mydate_day">
<option value="1">1</option>
<option value="2">2</option>
<option value="3">3</option>
<option value="4">4</option>
<option value="5">5</option>
<option value="6">6</option>
<option value="7">7</option>
<option value="8">8</option>
<option value="9">9</option>
<option value="10">10</option>
<option value="11">11</option>
<option value="12">12</option>
<option value="13">13</option>
<option value="14">14</option>
<option value="15" selected="selected">15</option>
<option value="16">16</option>
<option value="17">17</option>
<option value="18">18</option>
<option value="19">19</option>
<option value="20">20</option>
<option value="21">21</option>
<option value="22">22</option>
<option value="23">23</option>
<option value="24">24</option>
<option value="25">25</option>
<option value="26">26</option>
<option value="27">27</option>
<option value="28">28</option>
<option value="29">29</option>
<option value="30">30</option>
<option value="31">31</option>
</select>
<select name="mydate_year" id="id_mydate_year">
<option value="2007">2007</option>
<option value="2008">2008</option>
<option value="2009">2009</option>
<option value="2010" selected="selected">2010</option>
<option value="2011">2011</option>
<option value="2012">2012</option>
<option value="2013">2013</option>
<option value="2014">2014</option>
<option value="2015">2015</option>
<option value="2016">2016</option>
</select>
Accepts a datetime or a string:
>>> w.render('mydate', datetime.date(2010, 4, 15)) == w.render('mydate', '2010-04-15')
True
Invalid dates still render the failed date:
>>> print w.render('mydate', '2010-02-31')
<select name="mydate_month" id="id_mydate_month">
<option value="1">January</option>
<option value="2" selected="selected">February</option>
<option value="3">March</option>
<option value="4">April</option>
<option value="5">May</option>
<option value="6">June</option>
<option value="7">July</option>
<option value="8">August</option>
<option value="9">September</option>
<option value="10">October</option>
<option value="11">November</option>
<option value="12">December</option>
</select>
<select name="mydate_day" id="id_mydate_day">
<option value="1">1</option>
<option value="2">2</option>
<option value="3">3</option>
<option value="4">4</option>
<option value="5">5</option>
<option value="6">6</option>
<option value="7">7</option>
<option value="8">8</option>
<option value="9">9</option>
<option value="10">10</option>
<option value="11">11</option>
<option value="12">12</option>
<option value="13">13</option>
<option value="14">14</option>
<option value="15">15</option>
<option value="16">16</option>
<option value="17">17</option>
<option value="18">18</option>
<option value="19">19</option>
<option value="20">20</option>
<option value="21">21</option>
<option value="22">22</option>
<option value="23">23</option>
<option value="24">24</option>
<option value="25">25</option>
<option value="26">26</option>
<option value="27">27</option>
<option value="28">28</option>
<option value="29">29</option>
<option value="30">30</option>
<option value="31" selected="selected">31</option>
</select>
<select name="mydate_year" id="id_mydate_year">
<option value="2007">2007</option>
<option value="2008">2008</option>
<option value="2009">2009</option>
<option value="2010" selected="selected">2010</option>
<option value="2011">2011</option>
<option value="2012">2012</option>
<option value="2013">2013</option>
<option value="2014">2014</option>
<option value="2015">2015</option>
<option value="2016">2016</option>
</select>
Using a SelectDateWidget in a form:
>>> class GetDate(Form):
... mydate = DateField(widget=SelectDateWidget)
>>> a = GetDate({'mydate_month':'4', 'mydate_day':'1', 'mydate_year':'2008'})
>>> print a.is_valid()
True
>>> print a.cleaned_data['mydate']
2008-04-01
As with any widget that implements get_value_from_datadict,
we must be prepared to accept the input from the "as_hidden"
rendering as well.
>>> print a['mydate'].as_hidden()
<input type="hidden" name="mydate" value="2008-4-1" id="id_mydate" />
>>> b=GetDate({'mydate':'2008-4-1'})
>>> print b.is_valid()
True
>>> print b.cleaned_data['mydate']
2008-04-01
# MultiWidget and MultiValueField #############################################
# MultiWidgets are widgets composed of other widgets. They are usually
# combined with MultiValueFields - a field that is composed of other fields.
# MulitWidgets can themselved be composed of other MultiWidgets.
# SplitDateTimeWidget is one example of a MultiWidget.
>>> class ComplexMultiWidget(MultiWidget):
... def __init__(self, attrs=None):
... widgets = (
... TextInput(),
... SelectMultiple(choices=(('J', 'John'), ('P', 'Paul'), ('G', 'George'), ('R', 'Ringo'))),
... SplitDateTimeWidget(),
... )
... super(ComplexMultiWidget, self).__init__(widgets, attrs)
...
... def decompress(self, value):
... if value:
... data = value.split(',')
... return [data[0], data[1], datetime.datetime(*time.strptime(data[2], "%Y-%m-%d %H:%M:%S")[0:6])]
... return [None, None, None]
... def format_output(self, rendered_widgets):
... return u'\n'.join(rendered_widgets)
>>> w = ComplexMultiWidget()
>>> print w.render('name', 'some text,JP,2007-04-25 06:24:00')
<input type="text" name="name_0" value="some text" />
<select multiple="multiple" name="name_1">
<option value="J" selected="selected">John</option>
<option value="P" selected="selected">Paul</option>
<option value="G">George</option>
<option value="R">Ringo</option>
</select>
<input type="text" name="name_2_0" value="2007-04-25" /><input type="text" name="name_2_1" value="06:24:00" />
>>> class ComplexField(MultiValueField):
... def __init__(self, required=True, widget=None, label=None, initial=None):
... fields = (
... CharField(),
... MultipleChoiceField(choices=(('J', 'John'), ('P', 'Paul'), ('G', 'George'), ('R', 'Ringo'))),
... SplitDateTimeField()
... )
... super(ComplexField, self).__init__(fields, required, widget, label, initial)
...
... def compress(self, data_list):
... if data_list:
... return '%s,%s,%s' % (data_list[0],''.join(data_list[1]),data_list[2])
... return None
>>> f = ComplexField(widget=w)
>>> f.clean(['some text', ['J','P'], ['2007-04-25','6:24:00']])
u'some text,JP,2007-04-25 06:24:00'
>>> f.clean(['some text',['X'], ['2007-04-25','6:24:00']])
Traceback (most recent call last):
...
ValidationError: [u'Select a valid choice. X is not one of the available choices.']
# If insufficient data is provided, None is substituted
>>> f.clean(['some text',['JP']])
Traceback (most recent call last):
...
ValidationError: [u'This field is required.']
>>> class ComplexFieldForm(Form):
... field1 = ComplexField(widget=w)
>>> f = ComplexFieldForm()
>>> print f
<tr><th><label for="id_field1_0">Field1:</label></th><td><input type="text" name="field1_0" id="id_field1_0" />
<select multiple="multiple" name="field1_1" id="id_field1_1">
<option value="J">John</option>
<option value="P">Paul</option>
<option value="G">George</option>
<option value="R">Ringo</option>
</select>
<input type="text" name="field1_2_0" id="id_field1_2_0" /><input type="text" name="field1_2_1" id="id_field1_2_1" /></td></tr>
>>> f = ComplexFieldForm({'field1_0':'some text','field1_1':['J','P'], 'field1_2_0':'2007-04-25', 'field1_2_1':'06:24:00'})
>>> print f
<tr><th><label for="id_field1_0">Field1:</label></th><td><input type="text" name="field1_0" value="some text" id="id_field1_0" />
<select multiple="multiple" name="field1_1" id="id_field1_1">
<option value="J" selected="selected">John</option>
<option value="P" selected="selected">Paul</option>
<option value="G">George</option>
<option value="R">Ringo</option>
</select>
<input type="text" name="field1_2_0" value="2007-04-25" id="id_field1_2_0" /><input type="text" name="field1_2_1" value="06:24:00" id="id_field1_2_1" /></td></tr>
>>> f.cleaned_data['field1']
u'some text,JP,2007-04-25 06:24:00'
# IPAddressField ##################################################################
>>> f = IPAddressField()
>>> f.clean('')
Traceback (most recent call last):
...
ValidationError: [u'This field is required.']
>>> f.clean(None)
Traceback (most recent call last):
...
ValidationError: [u'This field is required.']
>>> f.clean('127.0.0.1')
u'127.0.0.1'
>>> f.clean('foo')
Traceback (most recent call last):
...
ValidationError: [u'Enter a valid IPv4 address.']
>>> f.clean('127.0.0.')
Traceback (most recent call last):
...
ValidationError: [u'Enter a valid IPv4 address.']
>>> f.clean('1.2.3.4.5')
Traceback (most recent call last):
...
ValidationError: [u'Enter a valid IPv4 address.']
>>> f.clean('256.125.1.5')
Traceback (most recent call last):
...
ValidationError: [u'Enter a valid IPv4 address.']
>>> f = IPAddressField(required=False)
>>> f.clean('')
u''
>>> f.clean(None)
u''
>>> f.clean('127.0.0.1')
u'127.0.0.1'
>>> f.clean('foo')
Traceback (most recent call last):
...
ValidationError: [u'Enter a valid IPv4 address.']
>>> f.clean('127.0.0.')
Traceback (most recent call last):
...
ValidationError: [u'Enter a valid IPv4 address.']
>>> f.clean('1.2.3.4.5')
Traceback (most recent call last):
...
ValidationError: [u'Enter a valid IPv4 address.']
>>> f.clean('256.125.1.5')
Traceback (most recent call last):
...
ValidationError: [u'Enter a valid IPv4 address.']
#################################
# Tests of underlying functions #
#################################
# smart_unicode tests
>>> from django.utils.encoding import smart_unicode
>>> class Test:
... def __str__(self):
... return 'ŠĐĆŽćžšđ'
>>> class TestU:
... def __str__(self):
... return 'Foo'
... def __unicode__(self):
... return u'\u0160\u0110\u0106\u017d\u0107\u017e\u0161\u0111'
>>> smart_unicode(Test())
u'\u0160\u0110\u0106\u017d\u0107\u017e\u0161\u0111'
>>> smart_unicode(TestU())
u'\u0160\u0110\u0106\u017d\u0107\u017e\u0161\u0111'
>>> smart_unicode(1)
u'1'
>>> smart_unicode('foo')
u'foo'
####################################
# Test accessing errors in clean() #
####################################
>>> class UserForm(Form):
... username = CharField(max_length=10)
... password = CharField(widget=PasswordInput)
... def clean(self):
... data = self.cleaned_data
... if not self.errors:
... data['username'] = data['username'].lower()
... return data
>>> f = UserForm({'username': 'SirRobin', 'password': 'blue'})
>>> f.is_valid()
True
>>> f.cleaned_data['username']
u'sirrobin'
#######################################
# Test overriding ErrorList in a form #
#######################################
>>> from django.forms.util import ErrorList
>>> class DivErrorList(ErrorList):
... def __unicode__(self):
... return self.as_divs()
... def as_divs(self):
... if not self: return u''
... return u'<div class="errorlist">%s</div>' % ''.join([u'<div class="error">%s</div>' % force_unicode(e) for e in self])
>>> class CommentForm(Form):
... name = CharField(max_length=50, required=False)
... email = EmailField()
... comment = CharField()
>>> data = dict(email='invalid')
>>> f = CommentForm(data, auto_id=False, error_class=DivErrorList)
>>> print f.as_p()
<p>Name: <input type="text" name="name" maxlength="50" /></p>
<div class="errorlist"><div class="error">Enter a valid e-mail address.</div></div>
<p>Email: <input type="text" name="email" value="invalid" /></p>
<div class="errorlist"><div class="error">This field is required.</div></div>
<p>Comment: <input type="text" name="comment" /></p>
#################################
# Test multipart-encoded form #
#################################
>>> class FormWithoutFile(Form):
... username = CharField()
>>> class FormWithFile(Form):
... username = CharField()
... file = FileField()
>>> class FormWithImage(Form):
... image = ImageField()
>>> FormWithoutFile().is_multipart()
False
>>> FormWithFile().is_multipart()
True
>>> FormWithImage().is_multipart()
True
"""
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