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Removed django.utils.datastructures.MergeDict per deprecation timeline; refs #18659.

This commit is contained in:
Tim Graham 2014-11-18 12:09:20 -05:00
parent 75f107b884
commit 37b7776a01
4 changed files with 8 additions and 202 deletions
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6
django/forms/widgets.py
View File

@ -9,7 +9,7 @@ from itertools import chain
from django.conf import settings
from django.forms.utils import flatatt, to_current_timezone
from django.utils.datastructures import MultiValueDict, MergeDict
from django.utils.datastructures import MultiValueDict
from django.utils.encoding import force_text, python_2_unicode_compatible
from django.utils.html import conditional_escape, format_html
from django.utils.translation import ugettext_lazy
@ -319,7 +319,7 @@ class MultipleHiddenInput(HiddenInput):
return mark_safe('\n'.join(inputs))
def value_from_datadict(self, data, files, name):
if isinstance(data, (MultiValueDict, MergeDict)):
if isinstance(data, MultiValueDict):
return data.getlist(name)
return data.get(name, None)
@ -587,7 +587,7 @@ class SelectMultiple(Select):
return mark_safe('\n'.join(output))
def value_from_datadict(self, data, files, name):
if isinstance(data, (MultiValueDict, MergeDict)):
if isinstance(data, MultiValueDict):
return data.getlist(name)
return data.get(name, None)

115
django/utils/datastructures.py
View File

@ -6,121 +6,6 @@ from django.utils import six
from django.utils.deprecation import RemovedInDjango19Warning
class MergeDict(object):
"""
A simple class for creating new "virtual" dictionaries that actually look
up values in more than one dictionary, passed in the constructor.
If a key appears in more than one of the given dictionaries, only the
first occurrence will be used.
"""
def __init__(self, *dicts):
warnings.warn('`MergeDict` is deprecated, use `dict.update()` '
'instead.', RemovedInDjango19Warning, 2)
self.dicts = dicts
def __bool__(self):
return any(self.dicts)
def __nonzero__(self):
return type(self).__bool__(self)
def __getitem__(self, key):
for dict_ in self.dicts:
try:
return dict_[key]
except KeyError:
pass
raise KeyError(key)
def __copy__(self):
return self.__class__(*self.dicts)
def get(self, key, default=None):
try:
return self[key]
except KeyError:
return default
# This is used by MergeDicts of MultiValueDicts.
def getlist(self, key):
for dict_ in self.dicts:
if key in dict_:
return dict_.getlist(key)
return []
def _iteritems(self):
seen = set()
for dict_ in self.dicts:
for item in six.iteritems(dict_):
k = item[0]
if k in seen:
continue
seen.add(k)
yield item
def _iterkeys(self):
for k, v in self._iteritems():
yield k
def _itervalues(self):
for k, v in self._iteritems():
yield v
if six.PY3:
items = _iteritems
keys = _iterkeys
values = _itervalues
else:
iteritems = _iteritems
iterkeys = _iterkeys
itervalues = _itervalues
def items(self):
return list(self.iteritems())
def keys(self):
return list(self.iterkeys())
def values(self):
return list(self.itervalues())
def has_key(self, key):
for dict_ in self.dicts:
if key in dict_:
return True
return False
__contains__ = has_key
__iter__ = _iterkeys
def copy(self):
"""Returns a copy of this object."""
return self.__copy__()
def __str__(self):
'''
Returns something like
"{'key1': 'val1', 'key2': 'val2', 'key3': 'val3'}"
instead of the generic "<object meta-data>" inherited from object.
'''
return str(dict(self.items()))
def __repr__(self):
'''
Returns something like
MergeDict({'key1': 'val1', 'key2': 'val2'}, {'key3': 'val3'})
instead of generic "<object meta-data>" inherited from object.
'''
dictreprs = ', '.join(repr(d) for d in self.dicts)
return '%s(%s)' % (self.__class__.__name__, dictreprs)
class SortedDict(dict):
"""
A dictionary that keeps its keys in the order in which they're inserted.

16
tests/forms_tests/tests/test_forms.py
View File

@ -18,10 +18,9 @@ from django.forms import (
from django.forms.utils import ErrorList
from django.http import QueryDict
from django.template import Template, Context
from django.test import TestCase, ignore_warnings
from django.test import TestCase
from django.test.utils import str_prefix
from django.utils.datastructures import MultiValueDict, MergeDict
from django.utils.deprecation import RemovedInDjango19Warning
from django.utils.datastructures import MultiValueDict
from django.utils.encoding import force_text
from django.utils.html import format_html
from django.utils.safestring import mark_safe, SafeData
@ -552,11 +551,9 @@ class FormsTestCase(TestCase):
<li><label for="composers_id_1"><input type="checkbox" name="composers" value="P" id="composers_id_1" /> Paul McCartney</label></li>
</ul>""")
@ignore_warnings(category=RemovedInDjango19Warning) # MergeDict deprecation
def test_multiple_choice_list_data(self):
# Data for a MultipleChoiceField should be a list. QueryDict, MultiValueDict and
# MergeDict (when created as a merge of MultiValueDicts) conveniently work with
# this.
# Data for a MultipleChoiceField should be a list. QueryDict and
# MultiValueDict conveniently work with this.
class SongForm(Form):
name = CharField()
composers = MultipleChoiceField(choices=[('J', 'John Lennon'), ('P', 'Paul McCartney')], widget=CheckboxSelectMultiple)
@ -573,11 +570,6 @@ class FormsTestCase(TestCase):
f = SongForm(data)
self.assertEqual(f.errors, {})
# MergeDict is deprecated, but is supported until removed.
data = MergeDict(MultiValueDict(dict(name=['Yesterday'], composers=['J', 'P'])))
f = SongForm(data)
self.assertEqual(f.errors, {})
def test_multiple_hidden(self):
class SongForm(Form):
name = CharField()

73
tests/utils_tests/test_datastructures.py
View File

@ -7,7 +7,7 @@ import pickle
from django.test import SimpleTestCase, ignore_warnings
from django.utils.datastructures import (DictWrapper, ImmutableList,
MultiValueDict, MultiValueDictKeyError, MergeDict, OrderedSet, SortedDict)
MultiValueDict, MultiValueDictKeyError, OrderedSet, SortedDict)
from django.utils.deprecation import RemovedInDjango19Warning
from django.utils import six
@ -137,77 +137,6 @@ class SortedDictTests(SimpleTestCase):
self.assertEqual(list(reversed(self.d2)), [7, 0, 9, 1])
@ignore_warnings(category=RemovedInDjango19Warning)
class MergeDictTests(SimpleTestCase):
def test_simple_mergedict(self):
d1 = {'chris': 'cool', 'camri': 'cute', 'cotton': 'adorable',
'tulip': 'snuggable', 'twoofme': 'firstone'}
d2 = {'chris2': 'cool2', 'camri2': 'cute2', 'cotton2': 'adorable2',
'tulip2': 'snuggable2'}
d3 = {'chris3': 'cool3', 'camri3': 'cute3', 'cotton3': 'adorable3',
'tulip3': 'snuggable3'}
md = MergeDict(d1, d2, d3)
self.assertEqual(md['chris'], 'cool')
self.assertEqual(md['camri'], 'cute')
self.assertEqual(md['twoofme'], 'firstone')
md2 = md.copy()
self.assertEqual(md2['chris'], 'cool')
def test_mergedict_merges_multivaluedict(self):
""" MergeDict can merge MultiValueDicts """
multi1 = MultiValueDict({'key1': ['value1'],
'key2': ['value2', 'value3']})
multi2 = MultiValueDict({'key2': ['value4'],
'key4': ['value5', 'value6']})
mm = MergeDict(multi1, multi2)
# Although 'key2' appears in both dictionaries,
# only the first value is used.
self.assertEqual(mm.getlist('key2'), ['value2', 'value3'])
self.assertEqual(mm.getlist('key4'), ['value5', 'value6'])
self.assertEqual(mm.getlist('undefined'), [])
self.assertEqual(sorted(six.iterkeys(mm)), ['key1', 'key2', 'key4'])
self.assertEqual(len(list(six.itervalues(mm))), 3)
self.assertIn('value1', six.itervalues(mm))
self.assertEqual(
sorted(six.iteritems(mm), key=lambda k: k[0]),
[('key1', 'value1'), ('key2', 'value3'), ('key4', 'value6')]
)
self.assertEqual(
[(k, mm.getlist(k)) for k in sorted(mm)],
[('key1', ['value1']),
('key2', ['value2', 'value3']),
('key4', ['value5', 'value6'])]
)
def test_bool_casting(self):
empty = MergeDict({}, {}, {})
not_empty = MergeDict({}, {}, {"key": "value"})
self.assertFalse(empty)
self.assertTrue(not_empty)
def test_key_error(self):
"""
Test that the message of KeyError contains the missing key name.
"""
d1 = MergeDict({'key1': 42})
with six.assertRaisesRegex(self, KeyError, 'key2'):
d1['key2']
class OrderedSetTests(SimpleTestCase):
def test_bool(self):