p31829507
/
django
mirror of https://github.com/django/django.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

Fixed #28909 -- Simplified code using tuple/list/set/dict unpacking.

This commit is contained in:
Nick Pope 2017-12-11 12:08:45 +00:00 committed by Tim Graham
parent a9e5ac823d
commit d13a9e44de
61 changed files with 511 additions and 564 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

26
django/contrib/admin/actions.py
View File

@ -59,19 +59,19 @@ def delete_selected(modeladmin, request, queryset):
else:
title = _("Are you sure?")
context = dict(
modeladmin.admin_site.each_context(request),
title=title,
objects_name=str(objects_name),
deletable_objects=[deletable_objects],
model_count=dict(model_count).items(),
queryset=queryset,
perms_lacking=perms_needed,
protected=protected,
opts=opts,
action_checkbox_name=helpers.ACTION_CHECKBOX_NAME,
media=modeladmin.media,
)
context = {
**modeladmin.admin_site.each_context(request),
'title': title,
'objects_name': str(objects_name),
'deletable_objects': [deletable_objects],
'model_count': dict(model_count).items(),
'queryset': queryset,
'perms_lacking': perms_needed,
'protected': protected,
'opts': opts,
'action_checkbox_name': helpers.ACTION_CHECKBOX_NAME,
'media': modeladmin.media,
}
request.current_app = modeladmin.admin_site.name

76
django/contrib/admin/checks.py
View File

@ -65,21 +65,21 @@ def check_dependencies(**kwargs):
class BaseModelAdminChecks:
def check(self, admin_obj, **kwargs):
errors = []
errors.extend(self._check_autocomplete_fields(admin_obj))
errors.extend(self._check_raw_id_fields(admin_obj))
errors.extend(self._check_fields(admin_obj))
errors.extend(self._check_fieldsets(admin_obj))
errors.extend(self._check_exclude(admin_obj))
errors.extend(self._check_form(admin_obj))
errors.extend(self._check_filter_vertical(admin_obj))
errors.extend(self._check_filter_horizontal(admin_obj))
errors.extend(self._check_radio_fields(admin_obj))
errors.extend(self._check_prepopulated_fields(admin_obj))
errors.extend(self._check_view_on_site_url(admin_obj))
errors.extend(self._check_ordering(admin_obj))
errors.extend(self._check_readonly_fields(admin_obj))
return errors
return [
*self._check_autocomplete_fields(admin_obj),
*self._check_raw_id_fields(admin_obj),
*self._check_fields(admin_obj),
*self._check_fieldsets(admin_obj),
*self._check_exclude(admin_obj),
*self._check_form(admin_obj),
*self._check_filter_vertical(admin_obj),
*self._check_filter_horizontal(admin_obj),
*self._check_radio_fields(admin_obj),
*self._check_prepopulated_fields(admin_obj),
*self._check_view_on_site_url(admin_obj),
*self._check_ordering(admin_obj),
*self._check_readonly_fields(admin_obj),
]
def _check_autocomplete_fields(self, obj):
"""
@ -554,20 +554,21 @@ class BaseModelAdminChecks:
class ModelAdminChecks(BaseModelAdminChecks):
def check(self, admin_obj, **kwargs):
errors = super().check(admin_obj)
errors.extend(self._check_save_as(admin_obj))
errors.extend(self._check_save_on_top(admin_obj))
errors.extend(self._check_inlines(admin_obj))
errors.extend(self._check_list_display(admin_obj))
errors.extend(self._check_list_display_links(admin_obj))
errors.extend(self._check_list_filter(admin_obj))
errors.extend(self._check_list_select_related(admin_obj))
errors.extend(self._check_list_per_page(admin_obj))
errors.extend(self._check_list_max_show_all(admin_obj))
errors.extend(self._check_list_editable(admin_obj))
errors.extend(self._check_search_fields(admin_obj))
errors.extend(self._check_date_hierarchy(admin_obj))
return errors
return [
*super().check(admin_obj),
*self._check_save_as(admin_obj),
*self._check_save_on_top(admin_obj),
*self._check_inlines(admin_obj),
*self._check_list_display(admin_obj),
*self._check_list_display_links(admin_obj),
*self._check_list_filter(admin_obj),
*self._check_list_select_related(admin_obj),
*self._check_list_per_page(admin_obj),
*self._check_list_max_show_all(admin_obj),
*self._check_list_editable(admin_obj),
*self._check_search_fields(admin_obj),
*self._check_date_hierarchy(admin_obj),
]
def _check_save_as(self, obj):
""" Check save_as is a boolean. """
@ -883,15 +884,16 @@ class ModelAdminChecks(BaseModelAdminChecks):
class InlineModelAdminChecks(BaseModelAdminChecks):
def check(self, inline_obj, **kwargs):
errors = super().check(inline_obj)
parent_model = inline_obj.parent_model
errors.extend(self._check_relation(inline_obj, parent_model))
errors.extend(self._check_exclude_of_parent_model(inline_obj, parent_model))
errors.extend(self._check_extra(inline_obj))
errors.extend(self._check_max_num(inline_obj))
errors.extend(self._check_min_num(inline_obj))
errors.extend(self._check_formset(inline_obj))
return errors
return [
*super().check(inline_obj),
*self._check_relation(inline_obj, parent_model),
*self._check_exclude_of_parent_model(inline_obj, parent_model),
*self._check_extra(inline_obj),
*self._check_max_num(inline_obj),
*self._check_min_num(inline_obj),
*self._check_formset(inline_obj),
]
def _check_exclude_of_parent_model(self, obj, parent_model):
# Do not perform more specific checks if the base checks result in an

6
django/contrib/admin/forms.py
View File

@ -7,13 +7,13 @@ class AdminAuthenticationForm(AuthenticationForm):
"""
A custom authentication form used in the admin app.
"""
error_messages = dict(AuthenticationForm.error_messages)
error_messages.update({
error_messages = {
**AuthenticationForm.error_messages,
'invalid_login': _(
"Please enter the correct %(username)s and password for a staff "
"account. Note that both fields may be case-sensitive."
),
})
}
required_css_class = 'required'
def confirm_login_allowed(self, user):

162
django/contrib/admin/options.py
View File

@ -145,7 +145,7 @@ class BaseModelAdmin(metaclass=forms.MediaDefiningClass):
# formfield_overrides because **kwargs is more specific, and should
# always win.
if db_field.__class__ in self.formfield_overrides:
kwargs = dict(self.formfield_overrides[db_field.__class__], **kwargs)
kwargs = {**self.formfield_overrides[db_field.__class__], **kwargs}
# Get the correct formfield.
if isinstance(db_field, models.ForeignKey):
@ -176,7 +176,7 @@ class BaseModelAdmin(metaclass=forms.MediaDefiningClass):
# passed to formfield_for_dbfield override the defaults.
for klass in db_field.__class__.mro():
if klass in self.formfield_overrides:
kwargs = dict(copy.deepcopy(self.formfield_overrides[klass]), **kwargs)
kwargs = {**copy.deepcopy(self.formfield_overrides[klass]), **kwargs}
return db_field.formfield(**kwargs)
# For any other type of field, just call its formfield() method.
@ -653,12 +653,12 @@ class ModelAdmin(BaseModelAdmin):
form = type(self.form.__name__, (self.form,), new_attrs)
defaults = {
"form": form,
"fields": fields,
"exclude": exclude,
"formfield_callback": partial(self.formfield_for_dbfield, request=request),
'form': form,
'fields': fields,
'exclude': exclude,
'formfield_callback': partial(self.formfield_for_dbfield, request=request),
**kwargs,
}
defaults.update(kwargs)
if defaults['fields'] is None and not modelform_defines_fields(defaults['form']):
defaults['fields'] = forms.ALL_FIELDS
@ -724,9 +724,9 @@ class ModelAdmin(BaseModelAdmin):
Return a Form class for use in the Formset on the changelist page.
"""
defaults = {
"formfield_callback": partial(self.formfield_for_dbfield, request=request),
'formfield_callback': partial(self.formfield_for_dbfield, request=request),
**kwargs,
}
defaults.update(kwargs)
if defaults.get('fields') is None and not modelform_defines_fields(defaults.get('form')):
defaults['fields'] = forms.ALL_FIELDS
@ -738,9 +738,9 @@ class ModelAdmin(BaseModelAdmin):
is used.
"""
defaults = {
"formfield_callback": partial(self.formfield_for_dbfield, request=request),
'formfield_callback': partial(self.formfield_for_dbfield, request=request),
**kwargs,
}
defaults.update(kwargs)
return modelformset_factory(
self.model, self.get_changelist_form(request), extra=0,
fields=self.list_editable, **defaults
@ -1540,20 +1540,19 @@ class ModelAdmin(BaseModelAdmin):
for inline_formset in inline_formsets:
media = media + inline_formset.media
context = dict(
self.admin_site.each_context(request),
title=(_('Add %s') if add else _('Change %s')) % opts.verbose_name,
adminform=adminForm,
object_id=object_id,
original=obj,
is_popup=(IS_POPUP_VAR in request.POST or
IS_POPUP_VAR in request.GET),
to_field=to_field,
media=media,
inline_admin_formsets=inline_formsets,
errors=helpers.AdminErrorList(form, formsets),
preserved_filters=self.get_preserved_filters(request),
)
context = {
**self.admin_site.each_context(request),
'title': (_('Add %s') if add else _('Change %s')) % opts.verbose_name,
'adminform': adminForm,
'object_id': object_id,
'original': obj,
'is_popup': IS_POPUP_VAR in request.POST or IS_POPUP_VAR in request.GET,
'to_field': to_field,
'media': media,
'inline_admin_formsets': inline_formsets,
'errors': helpers.AdminErrorList(form, formsets),
'preserved_filters': self.get_preserved_filters(request),
}
# Hide the "Save" and "Save and continue" buttons if "Save as New" was
# previously chosen to prevent the interface from getting confusing.
@ -1700,25 +1699,25 @@ class ModelAdmin(BaseModelAdmin):
cl.result_count
)
context = dict(
self.admin_site.each_context(request),
module_name=str(opts.verbose_name_plural),
selection_note=_('0 of %(cnt)s selected') % {'cnt': len(cl.result_list)},
selection_note_all=selection_note_all % {'total_count': cl.result_count},
title=cl.title,
is_popup=cl.is_popup,
to_field=cl.to_field,
cl=cl,
media=media,
has_add_permission=self.has_add_permission(request),
opts=cl.opts,
action_form=action_form,
actions_on_top=self.actions_on_top,
actions_on_bottom=self.actions_on_bottom,
actions_selection_counter=self.actions_selection_counter,
preserved_filters=self.get_preserved_filters(request),
)
context.update(extra_context or {})
context = {
**self.admin_site.each_context(request),
'module_name': str(opts.verbose_name_plural),
'selection_note': _('0 of %(cnt)s selected') % {'cnt': len(cl.result_list)},
'selection_note_all': selection_note_all % {'total_count': cl.result_count},
'title': cl.title,
'is_popup': cl.is_popup,
'to_field': cl.to_field,
'cl': cl,
'media': media,
'has_add_permission': self.has_add_permission(request),
'opts': cl.opts,
'action_form': action_form,
'actions_on_top': self.actions_on_top,
'actions_on_bottom': self.actions_on_bottom,
'actions_selection_counter': self.actions_selection_counter,
'preserved_filters': self.get_preserved_filters(request),
**(extra_context or {}),
}
request.current_app = self.admin_site.name
@ -1775,23 +1774,22 @@ class ModelAdmin(BaseModelAdmin):
else:
title = _("Are you sure?")
context = dict(
self.admin_site.each_context(request),
title=title,
object_name=object_name,
object=obj,
deleted_objects=deleted_objects,
model_count=dict(model_count).items(),
perms_lacking=perms_needed,
protected=protected,
opts=opts,
app_label=app_label,
preserved_filters=self.get_preserved_filters(request),
is_popup=(IS_POPUP_VAR in request.POST or
IS_POPUP_VAR in request.GET),
to_field=to_field,
)
context.update(extra_context or {})
context = {
**self.admin_site.each_context(request),
'title': title,
'object_name': object_name,
'object': obj,
'deleted_objects': deleted_objects,
'model_count': dict(model_count).items(),
'perms_lacking': perms_needed,
'protected': protected,
'opts': opts,
'app_label': app_label,
'preserved_filters': self.get_preserved_filters(request),
'is_popup': IS_POPUP_VAR in request.POST or IS_POPUP_VAR in request.GET,
'to_field': to_field,
**(extra_context or {}),
}
return self.render_delete_form(request, context)
@ -1815,16 +1813,16 @@ class ModelAdmin(BaseModelAdmin):
content_type=get_content_type_for_model(model)
).select_related().order_by('action_time')
context = dict(
self.admin_site.each_context(request),
title=_('Change history: %s') % obj,
action_list=action_list,
module_name=str(capfirst(opts.verbose_name_plural)),
object=obj,
opts=opts,
preserved_filters=self.get_preserved_filters(request),
)
context.update(extra_context or {})
context = {
**self.admin_site.each_context(request),
'title': _('Change history: %s') % obj,
'action_list': action_list,
'module_name': str(capfirst(opts.verbose_name_plural)),
'object': obj,
'opts': opts,
'preserved_filters': self.get_preserved_filters(request),
**(extra_context or {}),
}
request.current_app = self.admin_site.name
@ -1937,19 +1935,19 @@ class InlineModelAdmin(BaseModelAdmin):
exclude = exclude or None
can_delete = self.can_delete and self.has_delete_permission(request, obj)
defaults = {
"form": self.form,
"formset": self.formset,
"fk_name": self.fk_name,
"fields": fields,
"exclude": exclude,
"formfield_callback": partial(self.formfield_for_dbfield, request=request),
"extra": self.get_extra(request, obj, **kwargs),
"min_num": self.get_min_num(request, obj, **kwargs),
"max_num": self.get_max_num(request, obj, **kwargs),
"can_delete": can_delete,
'form': self.form,
'formset': self.formset,
'fk_name': self.fk_name,
'fields': fields,
'exclude': exclude,
'formfield_callback': partial(self.formfield_for_dbfield, request=request),
'extra': self.get_extra(request, obj, **kwargs),
'min_num': self.get_min_num(request, obj, **kwargs),
'max_num': self.get_max_num(request, obj, **kwargs),
'can_delete': can_delete,
**kwargs,
}
defaults.update(kwargs)
base_model_form = defaults['form']
class DeleteProtectedModelForm(base_model_form):

50
django/contrib/admin/sites.py
View File

@ -312,7 +312,7 @@ class AdminSite:
defaults = {
'form_class': AdminPasswordChangeForm,
'success_url': url,
'extra_context': dict(self.each_context(request), **(extra_context or {})),
'extra_context': {**self.each_context(request), **(extra_context or {})},
}
if self.password_change_template is not None:
defaults['template_name'] = self.password_change_template
@ -325,7 +325,7 @@ class AdminSite:
"""
from django.contrib.auth.views import PasswordChangeDoneView
defaults = {
'extra_context': dict(self.each_context(request), **(extra_context or {})),
'extra_context': {**self.each_context(request), **(extra_context or {})},
}
if self.password_change_done_template is not None:
defaults['template_name'] = self.password_change_done_template
@ -350,13 +350,13 @@ class AdminSite:
"""
from django.contrib.auth.views import LogoutView
defaults = {
'extra_context': dict(
self.each_context(request),
'extra_context': {
**self.each_context(request),
# Since the user isn't logged out at this point, the value of
# has_permission must be overridden.
has_permission=False,
'has_permission': False,
**(extra_context or {})
),
},
}
if self.logout_template is not None:
defaults['template_name'] = self.logout_template
@ -378,12 +378,12 @@ class AdminSite:
# it cannot import models from other applications at the module level,
# and django.contrib.admin.forms eventually imports User.
from django.contrib.admin.forms import AdminAuthenticationForm
context = dict(
self.each_context(request),
title=_('Log in'),
app_path=request.get_full_path(),
username=request.user.get_username(),
)
context = {
**self.each_context(request),
'title': _('Log in'),
'app_path': request.get_full_path(),
'username': request.user.get_username(),
}
if (REDIRECT_FIELD_NAME not in request.GET and
REDIRECT_FIELD_NAME not in request.POST):
context[REDIRECT_FIELD_NAME] = reverse('admin:index', current_app=self.name)
@ -486,12 +486,12 @@ class AdminSite:
"""
app_list = self.get_app_list(request)
context = dict(
self.each_context(request),
title=self.index_title,
app_list=app_list,
)
context.update(extra_context or {})
context = {
**self.each_context(request),
'title': self.index_title,
'app_list': app_list,
**(extra_context or {}),
}
request.current_app = self.name
@ -504,13 +504,13 @@ class AdminSite:
# Sort the models alphabetically within each app.
app_dict['models'].sort(key=lambda x: x['name'])
app_name = apps.get_app_config(app_label).verbose_name
context = dict(
self.each_context(request),
title=_('%(app)s administration') % {'app': app_name},
app_list=[app_dict],
app_label=app_label,
)
context.update(extra_context or {})
context = {
**self.each_context(request),
'title': _('%(app)s administration') % {'app': app_name},
'app_list': [app_dict],
'app_label': app_label,
**(extra_context or {}),
}
request.current_app = self.name

14
django/contrib/admin/templatetags/admin_list.py
View File

@ -64,15 +64,17 @@ def pagination(cl):
# ON_EACH_SIDE links at either end of the "current page" link.
page_range = []
if page_num > (ON_EACH_SIDE + ON_ENDS):
page_range.extend(range(0, ON_ENDS))
page_range.append(DOT)
page_range.extend(range(page_num - ON_EACH_SIDE, page_num + 1))
page_range += [
*range(0, ON_ENDS), DOT,
*range(page_num - ON_EACH_SIDE, page_num + 1),
]
else:
page_range.extend(range(0, page_num + 1))
if page_num < (paginator.num_pages - ON_EACH_SIDE - ON_ENDS - 1):
page_range.extend(range(page_num + 1, page_num + ON_EACH_SIDE + 1))
page_range.append(DOT)
page_range.extend(range(paginator.num_pages - ON_ENDS, paginator.num_pages))
page_range += [
*range(page_num + 1, page_num + ON_EACH_SIDE + 1), DOT,
*range(paginator.num_pages - ON_ENDS, paginator.num_pages)
]
else:
page_range.extend(range(page_num + 1, paginator.num_pages))

37
django/contrib/admin/widgets.py
View File

@ -62,10 +62,8 @@ class AdminDateWidget(forms.DateInput):
return forms.Media(js=["admin/js/%s" % path for path in js])
def __init__(self, attrs=None, format=None):
final_attrs = {'class': 'vDateField', 'size': '10'}
if attrs is not None:
final_attrs.update(attrs)
super().__init__(attrs=final_attrs, format=format)
attrs = {'class': 'vDateField', 'size': '10', **(attrs or {})}
super().__init__(attrs=attrs, format=format)
class AdminTimeWidget(forms.TimeInput):
@ -81,10 +79,8 @@ class AdminTimeWidget(forms.TimeInput):
return forms.Media(js=["admin/js/%s" % path for path in js])
def __init__(self, attrs=None, format=None):
final_attrs = {'class': 'vTimeField', 'size': '8'}
if attrs is not None:
final_attrs.update(attrs)
super().__init__(attrs=final_attrs, format=format)
attrs = {'class': 'vTimeField', 'size': '8', **(attrs or {})}
super().__init__(attrs=attrs, format=format)
class AdminSplitDateTime(forms.SplitDateTimeWidget):
@ -328,36 +324,24 @@ class RelatedFieldWidgetWrapper(forms.Widget):
class AdminTextareaWidget(forms.Textarea):
def __init__(self, attrs=None):
final_attrs = {'class': 'vLargeTextField'}
if attrs is not None:
final_attrs.update(attrs)
super().__init__(attrs=final_attrs)
super().__init__(attrs={'class': 'vLargeTextField', **(attrs or {})})
class AdminTextInputWidget(forms.TextInput):
def __init__(self, attrs=None):
final_attrs = {'class': 'vTextField'}
if attrs is not None:
final_attrs.update(attrs)
super().__init__(attrs=final_attrs)
super().__init__(attrs={'class': 'vTextField', **(attrs or {})})
class AdminEmailInputWidget(forms.EmailInput):
def __init__(self, attrs=None):
final_attrs = {'class': 'vTextField'}
if attrs is not None:
final_attrs.update(attrs)
super().__init__(attrs=final_attrs)
super().__init__(attrs={'class': 'vTextField', **(attrs or {})})
class AdminURLFieldWidget(forms.URLInput):
template_name = 'admin/widgets/url.html'
def __init__(self, attrs=None):
final_attrs = {'class': 'vURLField'}
if attrs is not None:
final_attrs.update(attrs)
super().__init__(attrs=final_attrs)
super().__init__(attrs={'class': 'vURLField', **(attrs or {})})
def get_context(self, name, value, attrs):
context = super().get_context(name, value, attrs)
@ -371,10 +355,7 @@ class AdminIntegerFieldWidget(forms.NumberInput):
class_name = 'vIntegerField'
def __init__(self, attrs=None):
final_attrs = {'class': self.class_name}
if attrs is not None:
final_attrs.update(attrs)
super().__init__(attrs=final_attrs)
super().__init__(attrs={'class': self.class_name, **(attrs or {})})
class AdminBigIntegerFieldWidget(AdminIntegerFieldWidget):

32
django/contrib/admindocs/views.py
View File

@ -40,9 +40,11 @@ class BaseAdminDocsView(TemplateView):
return super().dispatch(request, *args, **kwargs)
def get_context_data(self, **kwargs):
kwargs.update({'root_path': reverse('admin:index')})
kwargs.update(admin.site.each_context(self.request))
return super().get_context_data(**kwargs)
return super().get_context_data(**{
**kwargs,
'root_path': reverse('admin:index'),
**admin.site.each_context(self.request),
})
class BookmarkletsView(BaseAdminDocsView):
@ -87,8 +89,7 @@ class TemplateTagIndexView(BaseAdminDocsView):
'meta': metadata,
'library': tag_library,
})
kwargs.update({'tags': tags})
return super().get_context_data(**kwargs)
return super().get_context_data(**{**kwargs, 'tags': tags})
class TemplateFilterIndexView(BaseAdminDocsView):
@ -121,8 +122,7 @@ class TemplateFilterIndexView(BaseAdminDocsView):
'meta': metadata,
'library': tag_library,
})
kwargs.update({'filters': filters})
return super().get_context_data(**kwargs)
return super().get_context_data(**{**kwargs, 'filters': filters})
class ViewIndexView(BaseAdminDocsView):
@ -145,8 +145,7 @@ class ViewIndexView(BaseAdminDocsView):
'namespace': ':'.join((namespace or [])),
'name': name,
})
kwargs.update({'views': views})
return super().get_context_data(**kwargs)
return super().get_context_data(**{**kwargs, 'views': views})
class ViewDetailView(BaseAdminDocsView):
@ -181,13 +180,13 @@ class ViewDetailView(BaseAdminDocsView):
body = utils.parse_rst(body, 'view', _('view:') + view)
for key in metadata:
metadata[key] = utils.parse_rst(metadata[key], 'model', _('view:') + view)
kwargs.update({
return super().get_context_data(**{
**kwargs,
'name': view,
'summary': title,
'body': body,
'meta': metadata,
})
return super().get_context_data(**kwargs)
class ModelIndexView(BaseAdminDocsView):
@ -195,8 +194,7 @@ class ModelIndexView(BaseAdminDocsView):
def get_context_data(self, **kwargs):
m_list = [m._meta for m in apps.get_models()]
kwargs.update({'models': m_list})
return super().get_context_data(**kwargs)
return super().get_context_data(**{**kwargs, 'models': m_list})
class ModelDetailView(BaseAdminDocsView):
@ -319,14 +317,14 @@ class ModelDetailView(BaseAdminDocsView):
'data_type': 'Integer',
'verbose': utils.parse_rst(_("number of %s") % verbose, 'model', _('model:') + opts.model_name),
})
kwargs.update({
return super().get_context_data(**{
**kwargs,
'name': '%s.%s' % (opts.app_label, opts.object_name),
'summary': title,
'description': body,
'fields': fields,
'methods': methods,
})
return super().get_context_data(**kwargs)
class TemplateDetailView(BaseAdminDocsView):
@ -355,11 +353,11 @@ class TemplateDetailView(BaseAdminDocsView):
'contents': template_contents,
'order': index,
})
kwargs.update({
return super().get_context_data(**{
**kwargs,
'name': template,
'templates': templates,
})
return super().get_context_data(**kwargs)
####################

2
django/contrib/auth/admin.py
View File

@ -177,8 +177,8 @@ class UserAdmin(admin.ModelAdmin):
'original': user,
'save_as': False,
'show_save': True,
**self.admin_site.each_context(request),
}
context.update(self.admin_site.each_context(request))
request.current_app = self.admin_site.name

7
django/contrib/auth/backends.py
View File

@ -75,9 +75,10 @@ class ModelBackend:
if not user_obj.is_active or user_obj.is_anonymous or obj is not None:
return set()
if not hasattr(user_obj, '_perm_cache'):
user_obj._perm_cache = set()
user_obj._perm_cache.update(self.get_user_permissions(user_obj))
user_obj._perm_cache.update(self.get_group_permissions(user_obj))
user_obj._perm_cache = {
*self.get_user_permissions(user_obj),
*self.get_group_permissions(user_obj),
}
return user_obj._perm_cache
def has_perm(self, user_obj, perm, obj=None):

8
django/contrib/auth/forms.py
View File

@ -299,9 +299,8 @@ class PasswordResetForm(forms.Form):
'user': user,
'token': token_generator.make_token(user),
'protocol': 'https' if use_https else 'http',
**(extra_email_context or {}),
}
if extra_email_context is not None:
context.update(extra_email_context)
self.send_mail(
subject_template_name, email_template_name, context, from_email,
email, html_email_template_name=html_email_template_name,
@ -357,9 +356,10 @@ class PasswordChangeForm(SetPasswordForm):
A form that lets a user change their password by entering their old
password.
"""
error_messages = dict(SetPasswordForm.error_messages, **{
error_messages = {
**SetPasswordForm.error_messages,
'password_incorrect': _("Your old password was entered incorrectly. Please enter it again."),
})
}
old_password = forms.CharField(
label=_("Old password"),
strip=False,

17
django/contrib/auth/views.py
View File

@ -31,9 +31,7 @@ class SuccessURLAllowedHostsMixin:
success_url_allowed_hosts = set()
def get_success_url_allowed_hosts(self):
allowed_hosts = {self.request.get_host()}
allowed_hosts.update(self.success_url_allowed_hosts)
return allowed_hosts
return {self.request.get_host(), *self.success_url_allowed_hosts}
class LoginView(SuccessURLAllowedHostsMixin, FormView):
@ -98,9 +96,8 @@ class LoginView(SuccessURLAllowedHostsMixin, FormView):
self.redirect_field_name: self.get_redirect_url(),
'site': current_site,
'site_name': current_site.name,
**(self.extra_context or {})
})
if self.extra_context is not None:
context.update(self.extra_context)
return context
@ -158,9 +155,8 @@ class LogoutView(SuccessURLAllowedHostsMixin, TemplateView):
'site': current_site,
'site_name': current_site.name,
'title': _('Logged out'),
**(self.extra_context or {})
})
if self.extra_context is not None:
context.update(self.extra_context)
return context
@ -201,9 +197,10 @@ class PasswordContextMixin:
def get_context_data(self, **kwargs):
context = super().get_context_data(**kwargs)
context['title'] = self.title
if self.extra_context is not None:
context.update(self.extra_context)
context.update({
'title': self.title,
**(self.extra_context or {})
})
return context

32
django/contrib/contenttypes/admin.py
View File

@ -92,11 +92,7 @@ class GenericInlineModelAdmin(InlineModelAdmin):
fields = kwargs.pop('fields')
else:
fields = flatten_fieldsets(self.get_fieldsets(request, obj))
if self.exclude is None:
exclude = []
else:
exclude = list(self.exclude)
exclude.extend(self.get_readonly_fields(request, obj))
exclude = [*(self.exclude or []), *self.get_readonly_fields(request, obj)]
if self.exclude is None and hasattr(self.form, '_meta') and self.form._meta.exclude:
# Take the custom ModelForm's Meta.exclude into account only if the
# GenericInlineModelAdmin doesn't define its own.
@ -104,20 +100,20 @@ class GenericInlineModelAdmin(InlineModelAdmin):
exclude = exclude or None
can_delete = self.can_delete and self.has_delete_permission(request, obj)
defaults = {
"ct_field": self.ct_field,
"fk_field": self.ct_fk_field,
"form": self.form,
"formfield_callback": partial(self.formfield_for_dbfield, request=request),
"formset": self.formset,
"extra": self.get_extra(request, obj),
"can_delete": can_delete,
"can_order": False,
"fields": fields,
"min_num": self.get_min_num(request, obj),
"max_num": self.get_max_num(request, obj),
"exclude": exclude
'ct_field': self.ct_field,
'fk_field': self.ct_fk_field,
'form': self.form,
'formfield_callback': partial(self.formfield_for_dbfield, request=request),
'formset': self.formset,
'extra': self.get_extra(request, obj),
'can_delete': can_delete,
'can_order': False,
'fields': fields,
'min_num': self.get_min_num(request, obj),
'max_num': self.get_max_num(request, obj),
'exclude': exclude,
**kwargs,
}
defaults.update(kwargs)
if defaults['fields'] is None and not modelform_defines_fields(defaults['form']):
defaults['fields'] = ALL_FIELDS

17
django/contrib/contenttypes/fields.py
View File

@ -72,11 +72,11 @@ class GenericForeignKey(FieldCacheMixin):
return '%s.%s.%s' % (app, model._meta.object_name, self.name)
def check(self, **kwargs):
errors = []
errors.extend(self._check_field_name())
errors.extend(self._check_object_id_field())
errors.extend(self._check_content_type_field())
return errors
return [
*self._check_field_name(),
*self._check_object_id_field(),
*self._check_content_type_field(),
]
def _check_field_name(self):
if self.name.endswith("_"):
@ -308,9 +308,10 @@ class GenericRelation(ForeignObject):
self.for_concrete_model = for_concrete_model
def check(self, **kwargs):
errors = super().check(**kwargs)
errors.extend(self._check_generic_foreign_key_existence())
return errors
return [
*super().check(**kwargs),
*self._check_generic_foreign_key_existence(),
]
def _is_matching_generic_foreign_key(self, field):
"""

6
django/contrib/contenttypes/forms.py
View File

@ -63,11 +63,7 @@ def generic_inlineformset_factory(model, form=ModelForm,
if not isinstance(ct_field, models.ForeignKey) or ct_field.remote_field.model != ContentType:
raise Exception("fk_name '%s' is not a ForeignKey to ContentType" % ct_field)
fk_field = opts.get_field(fk_field) # let the exception propagate
if exclude is not None:
exclude = list(exclude)
exclude.extend([ct_field.name, fk_field.name])
else:
exclude = [ct_field.name, fk_field.name]
exclude = [*(exclude or []), ct_field.name, fk_field.name]
FormSet = modelformset_factory(
model, form=form, formfield_callback=formfield_callback,
formset=formset, extra=extra, can_delete=can_delete,

20
django/contrib/gis/db/backends/spatialite/introspection.py
View File

@ -9,16 +9,16 @@ class GeoFlexibleFieldLookupDict(FlexibleFieldLookupDict):
Sublcass that includes updates the `base_data_types_reverse` dict
for geometry field types.
"""
base_data_types_reverse = FlexibleFieldLookupDict.base_data_types_reverse.copy()
base_data_types_reverse.update(
{'point': 'GeometryField',
'linestring': 'GeometryField',
'polygon': 'GeometryField',
'multipoint': 'GeometryField',
'multilinestring': 'GeometryField',
'multipolygon': 'GeometryField',
'geometrycollection': 'GeometryField',
})
base_data_types_reverse = {
**FlexibleFieldLookupDict.base_data_types_reverse,
'point': 'GeometryField',
'linestring': 'GeometryField',
'polygon': 'GeometryField',
'multipoint': 'GeometryField',
'multilinestring': 'GeometryField',
'multipolygon': 'GeometryField',
'geometrycollection': 'GeometryField',
}
class SpatiaLiteIntrospection(DatabaseIntrospection):

11
django/contrib/gis/db/models/fields.py
View File

@ -250,11 +250,12 @@ class GeometryField(BaseSpatialField):
setattr(cls, self.attname, SpatialProxy(self.geom_class or GEOSGeometry, self, load_func=GEOSGeometry))
def formfield(self, **kwargs):
defaults = {'form_class': self.form_class,
'geom_type': self.geom_type,
'srid': self.srid,
}
defaults.update(kwargs)
defaults = {
'form_class': self.form_class,
'geom_type': self.geom_type,
'srid': self.srid,
**kwargs,
}
if self.dim > 2 and not getattr(defaults['form_class'].widget, 'supports_3d', False):
defaults.setdefault('widget', forms.Textarea)
return super().formfield(**defaults)

10
django/contrib/gis/db/models/functions.py
View File

@ -415,12 +415,10 @@ class SnapToGrid(SQLiteDecimalToFloatMixin, GeomOutputGeoFunc):
)
elif nargs == 4:
# Reverse origin and size param ordering
expressions.extend(
[self._handle_param(arg, '', NUMERIC_TYPES) for arg in args[2:]]
)
expressions.extend(
[self._handle_param(arg, '', NUMERIC_TYPES) for arg in args[0:2]]
)
expressions += [
*(self._handle_param(arg, '', NUMERIC_TYPES) for arg in args[2:]),
*(self._handle_param(arg, '', NUMERIC_TYPES) for arg in args[0:2]),
]
else:
raise ValueError('Must provide 1, 2, or 4 arguments to `SnapToGrid`.')
super().__init__(*expressions, **extra)

3
django/contrib/gis/db/models/lookups.py
View File

@ -78,8 +78,7 @@ class GISLookup(Lookup):
rhs_sql, rhs_params = self.process_rhs(compiler, connection)
sql_params.extend(rhs_params)
template_params = {'lhs': lhs_sql, 'rhs': rhs_sql, 'value': '%s'}
template_params.update(self.template_params)
template_params = {'lhs': lhs_sql, 'rhs': rhs_sql, 'value': '%s', **self.template_params}
rhs_op = self.get_rhs_op(connection, rhs_sql)
return rhs_op.as_sql(connection, self, template_params, sql_params)

10
django/contrib/gis/forms/widgets.py
View File

@ -60,19 +60,15 @@ class BaseGeometryWidget(Widget):
value.srid, self.map_srid, err
)
if attrs is None:
attrs = {}
build_attrs_kwargs = {
context.update(self.build_attrs(self.attrs, {
'name': name,
'module': 'geodjango_%s' % name.replace('-', '_'), # JS-safe
'serialized': self.serialize(value),
'geom_type': gdal.OGRGeomType(self.attrs['geom_type']),
'STATIC_URL': settings.STATIC_URL,
'LANGUAGE_BIDI': translation.get_language_bidi(),
}
build_attrs_kwargs.update(attrs)
context.update(self.build_attrs(self.attrs, build_attrs_kwargs))
**(attrs or {}),
}))
return context

2
django/contrib/gis/geos/prototypes/coordseq.py
View File

@ -49,7 +49,7 @@ class CsOperation(GEOSFuncFactory):
else:
argtypes = [CS_PTR, c_uint, dbl_param]
super().__init__(*args, **dict(kwargs, errcheck=errcheck, argtypes=argtypes))
super().__init__(*args, **{**kwargs, 'errcheck': errcheck, 'argtypes': argtypes})
class CsOutput(GEOSFuncFactory):

4
django/contrib/gis/geos/prototypes/threadsafe.py
View File

@ -55,9 +55,7 @@ class GEOSFunc:
return self.cfunc.argtypes
def _set_argtypes(self, argtypes):
new_argtypes = [CONTEXT_PTR]
new_argtypes.extend(argtypes)
self.cfunc.argtypes = new_argtypes
self.cfunc.argtypes = [CONTEXT_PTR, *argtypes]
argtypes = property(_get_argtypes, _set_argtypes)

7
django/contrib/messages/utils.py
View File

@ -6,6 +6,7 @@ def get_level_tags():
"""
Return the message level tags.
"""
level_tags = constants.DEFAULT_TAGS.copy()
level_tags.update(getattr(settings, 'MESSAGE_TAGS', {}))
return level_tags
return {
**constants.DEFAULT_TAGS,
**getattr(settings, 'MESSAGE_TAGS', {}),
}

7
django/contrib/postgres/fields/array.py
View File

@ -183,13 +183,12 @@ class ArrayField(CheckFieldDefaultMixin, Field):
)
def formfield(self, **kwargs):
defaults = {
return super().formfield(**{
'form_class': SimpleArrayField,
'base_field': self.base_field.formfield(),
'max_length': self.size,
}
defaults.update(kwargs)
return super().formfield(**defaults)
**kwargs,
})
@ArrayField.register_lookup

7
django/contrib/postgres/fields/hstore.py
View File

@ -44,11 +44,10 @@ class HStoreField(Field):
return json.dumps(self.value_from_object(obj))
def formfield(self, **kwargs):
defaults = {
return super().formfield(**{
'form_class': forms.HStoreField,
}
defaults.update(kwargs)
return super().formfield(**defaults)
**kwargs,
})
def get_prep_value(self, value):
value = super().get_prep_value(value)

7
django/contrib/postgres/fields/jsonb.py
View File

@ -77,9 +77,10 @@ class JSONField(CheckFieldDefaultMixin, Field):
return self.value_from_object(obj)
def formfield(self, **kwargs):
defaults = {'form_class': forms.JSONField}
defaults.update(kwargs)
return super().formfield(**defaults)
return super().formfield(**{
'form_class': forms.JSONField,
**kwargs,
})
JSONField.register_lookup(lookups.DataContains)

2
django/contrib/postgres/forms/array.py
View File

@ -135,7 +135,7 @@ class SplitArrayWidget(forms.Widget):
except IndexError:
widget_value = None
if id_:
final_attrs = dict(final_attrs, id='%s_%s' % (id_, i))
final_attrs = {**final_attrs, 'id': '%s_%s' % (id_, i)}
context['widget']['subwidgets'].append(
self.widget.get_context(name + '_%s' % i, widget_value, final_attrs)['widget']
)

2
django/contrib/postgres/utils.py
View File

@ -22,7 +22,7 @@ def prefix_validation_error(error, prefix, code, params):
SimpleLazyObject(lambda: error.message % error_params),
),
code=code,
params=dict(error_params, **params),
params={**error_params, **params},
)
return ValidationError([
prefix_validation_error(e, prefix, code, params) for e in error.error_list

5
django/contrib/postgres/validators.py
View File

@ -1,5 +1,3 @@
import copy
from django.core.exceptions import ValidationError
from django.core.validators import (
MaxLengthValidator, MaxValueValidator, MinLengthValidator,
@ -37,8 +35,7 @@ class KeysValidator:
self.keys = set(keys)
self.strict = strict
if messages is not None:
self.messages = copy.copy(self.messages)
self.messages.update(messages)
self.messages = {**self.messages, **messages}
def __call__(self, value):
keys = set(value)

3
django/core/cache/__init__.py vendored
View File

@ -44,8 +44,7 @@ def _create_cache(backend, **kwargs):
location = kwargs.pop('LOCATION', '')
params = kwargs
else:
params = conf.copy()
params.update(kwargs)
params = {**conf, **kwargs}
backend = params.pop('BACKEND')
location = params.pop('LOCATION', '')
backend_cls = import_string(backend)

2
django/core/handlers/exception.py
View File

@ -96,7 +96,7 @@ def response_for_exception(request, exc):
def get_exception_response(request, resolver, status_code, exception, sender=None):
try:
callback, param_dict = resolver.resolve_error_handler(status_code)
response = callback(request, **dict(param_dict, exception=exception))
response = callback(request, **{**param_dict, 'exception': exception})
except Exception:
signals.got_request_exception.send(sender=sender, request=request)
response = handle_uncaught_exception(request, resolver, sys.exc_info())

5
django/core/management/templates.py
View File

@ -104,13 +104,14 @@ class TemplateCommand(BaseCommand):
camel_case_name = 'camel_case_%s_name' % app_or_project
camel_case_value = ''.join(x for x in name.title() if x != '_')
context = Context(dict(options, **{
context = Context({
**options,
base_name: name,
base_directory: top_dir,
camel_case_name: camel_case_value,
'docs_version': get_docs_version(),
'django_version': django.__version__,
}), autoescape=False)
}, autoescape=False)
# Setup a stub settings environment for template rendering
if not settings.configured:

8
django/db/backends/mysql/base.py
View File

@ -39,10 +39,10 @@ if version < (1, 3, 3):
# MySQLdb returns TIME columns as timedelta -- they are more like timedelta in
# terms of actual behavior as they are signed and include days -- and Django
# expects time.
django_conversions = conversions.copy()
django_conversions.update({
FIELD_TYPE.TIME: backend_utils.typecast_time,
})
django_conversions = {
**conversions,
**{FIELD_TYPE.TIME: backend_utils.typecast_time},
}
# This should match the numerical portion of the version numbers (we can treat
# versions like 5.0.24 and 5.0.24a as the same).

10
django/db/backends/mysql/operations.py
View File

@ -10,11 +10,11 @@ class DatabaseOperations(BaseDatabaseOperations):
compiler_module = "django.db.backends.mysql.compiler"
# MySQL stores positive fields as UNSIGNED ints.
integer_field_ranges = dict(
BaseDatabaseOperations.integer_field_ranges,
PositiveSmallIntegerField=(0, 65535),
PositiveIntegerField=(0, 4294967295),
)
integer_field_ranges = {
**BaseDatabaseOperations.integer_field_ranges,
'PositiveSmallIntegerField': (0, 65535),
'PositiveIntegerField': (0, 4294967295),
}
cast_data_types = {
'CharField': 'char(%(max_length)s)',
'IntegerField': 'signed integer',

6
django/db/backends/oracle/base.py
View File

@ -136,15 +136,15 @@ class DatabaseWrapper(BaseDatabaseWrapper):
'iendswith': "LIKE UPPER(TRANSLATE(%s USING NCHAR_CS)) ESCAPE TRANSLATE('\\' USING NCHAR_CS)",
}
_likec_operators = _standard_operators.copy()
_likec_operators.update({
_likec_operators = {
**_standard_operators,
'contains': "LIKEC %s ESCAPE '\\'",
'icontains': "LIKEC UPPER(%s) ESCAPE '\\'",
'startswith': "LIKEC %s ESCAPE '\\'",
'endswith': "LIKEC %s ESCAPE '\\'",
'istartswith': "LIKEC UPPER(%s) ESCAPE '\\'",
'iendswith': "LIKEC UPPER(%s) ESCAPE '\\'",
})
}
# The patterns below are used to generate SQL pattern lookup clauses when
# the right-hand side of the lookup isn't a raw string (it might be an expression

3
django/db/backends/oracle/creation.py
View File

@ -23,8 +23,7 @@ class DatabaseCreation(BaseDatabaseCreation):
settings_dict = settings.DATABASES[self.connection.alias]
user = settings_dict.get('SAVED_USER') or settings_dict['USER']
password = settings_dict.get('SAVED_PASSWORD') or settings_dict['PASSWORD']
settings_dict = settings_dict.copy()
settings_dict.update(USER=user, PASSWORD=password)
settings_dict = {**settings_dict, 'USER': user, 'PASSWORD': password}
DatabaseWrapper = type(self.connection)
return DatabaseWrapper(settings_dict, alias=self.connection.alias)

2
django/db/backends/oracle/operations.py
View File

@ -21,7 +21,7 @@ class DatabaseOperations(BaseDatabaseOperations):
'PositiveSmallIntegerField': (0, 99999999999),
'PositiveIntegerField': (0, 99999999999),
}
set_operators = dict(BaseDatabaseOperations.set_operators, difference='MINUS')
set_operators = {**BaseDatabaseOperations.set_operators, 'difference': 'MINUS'}
# TODO: colorize this SQL code with style.SQL_KEYWORD(), etc.
_sequence_reset_sql = """

2
django/db/backends/postgresql/base.py
View File

@ -151,8 +151,8 @@ class DatabaseWrapper(BaseDatabaseWrapper):
"Please supply the NAME value.")
conn_params = {
'database': settings_dict['NAME'] or 'postgres',
**settings_dict['OPTIONS'],
}
conn_params.update(settings_dict['OPTIONS'])
conn_params.pop('isolation_level', None)
if settings_dict['USER']:
conn_params['user'] = settings_dict['USER']

2
django/db/backends/sqlite3/base.py
View File

@ -137,8 +137,8 @@ class DatabaseWrapper(BaseDatabaseWrapper):
kwargs = {
'database': settings_dict['NAME'],
'detect_types': Database.PARSE_DECLTYPES | Database.PARSE_COLNAMES,
**settings_dict['OPTIONS'],
}
kwargs.update(settings_dict['OPTIONS'])
# Always allow the underlying SQLite connection to be shareable
# between multiple threads. The safe-guarding will be handled at a
# higher level by the `BaseDatabaseWrapper.allow_thread_sharing`

7
django/db/migrations/operations/models.py
View File

@ -147,13 +147,11 @@ class CreateModel(ModelOperation):
),
]
elif isinstance(operation, AlterModelOptions) and self.name_lower == operation.name_lower:
new_options = self.options.copy()
new_options.update(operation.options)
return [
CreateModel(
self.name,
fields=self.fields,
options=new_options,
options={**self.options, **operation.options},
bases=self.bases,
managers=self.managers,
),
@ -690,8 +688,7 @@ class AlterModelOptions(ModelOptionOperation):
def state_forwards(self, app_label, state):
model_state = state.models[app_label, self.name_lower]
model_state.options = dict(model_state.options)
model_state.options.update(self.options)
model_state.options = {**model_state.options, **self.options}
for key in self.ALTER_OPTION_KEYS:
if key not in self.options:
model_state.options.pop(key, False)

12
django/db/migrations/serializer.py
View File

@ -119,9 +119,8 @@ class EnumSerializer(BaseSerializer):
def serialize(self):
enum_class = self.value.__class__
module = enum_class.__module__
imports = {"import %s" % module}
v_string, v_imports = serializer_factory(self.value.value).serialize()
imports.update(v_imports)
imports = {'import %s' % module, *v_imports}
return "%s.%s(%s)" % (module, enum_class.__name__, v_string), imports
@ -161,15 +160,12 @@ class FunctionTypeSerializer(BaseSerializer):
class FunctoolsPartialSerializer(BaseSerializer):
def serialize(self):
imports = {'import functools'}
# Serialize functools.partial() arguments
func_string, func_imports = serializer_factory(self.value.func).serialize()
args_string, args_imports = serializer_factory(self.value.args).serialize()
keywords_string, keywords_imports = serializer_factory(self.value.keywords).serialize()
# Add any imports needed by arguments
imports.update(func_imports)
imports.update(args_imports)
imports.update(keywords_imports)
imports = {'import functools', *func_imports, *args_imports, *keywords_imports}
return (
'functools.%s(%s, *%s, **%s)' % (
self.value.__class__.__name__,
@ -221,14 +217,12 @@ class OperationSerializer(BaseSerializer):
class RegexSerializer(BaseSerializer):
def serialize(self):
imports = {"import re"}
regex_pattern, pattern_imports = serializer_factory(self.value.pattern).serialize()
# Turn off default implicit flags (e.g. re.U) because regexes with the
# same implicit and explicit flags aren't equal.
flags = self.value.flags ^ re.compile('').flags
regex_flags, flag_imports = serializer_factory(flags).serialize()
imports.update(pattern_imports)
imports.update(flag_imports)
imports = {'import re', *pattern_imports, *flag_imports}
args = [regex_pattern]
if flags:
args.append(regex_flags)

3
django/db/migrations/state.py
View File

@ -553,8 +553,7 @@ class ModelState:
def render(self, apps):
"""Create a Model object from our current state into the given apps."""
# First, make a Meta object
meta_contents = {'app_label': self.app_label, "apps": apps}
meta_contents.update(self.options)
meta_contents = {'app_label': self.app_label, 'apps': apps, **self.options}
meta = type("Meta", (), meta_contents)
# Then, work out our bases
try:

9
django/db/models/aggregates.py
View File

@ -121,8 +121,7 @@ class Count(Aggregate):
)
def _get_repr_options(self):
options = super()._get_repr_options()
return dict(options, distinct=self.extra['distinct'] != '')
return {**super()._get_repr_options(), 'distinct': self.extra['distinct'] != ''}
def convert_value(self, value, expression, connection):
return 0 if value is None else value
@ -147,8 +146,7 @@ class StdDev(Aggregate):
super().__init__(expression, **extra)
def _get_repr_options(self):
options = super()._get_repr_options()
return dict(options, sample=self.function == 'STDDEV_SAMP')
return {**super()._get_repr_options(), 'sample': self.function == 'STDDEV_SAMP'}
class Sum(Aggregate):
@ -174,5 +172,4 @@ class Variance(Aggregate):
super().__init__(expression, **extra)
def _get_repr_options(self):
options = super()._get_repr_options()
return dict(options, sample=self.function == 'VAR_SAMP')
return {**super()._get_repr_options(), 'sample': self.function == 'VAR_SAMP'}

21
django/db/models/base.py
View File

@ -1186,14 +1186,13 @@ class Model(metaclass=ModelBase):
@classmethod
def check(cls, **kwargs):
errors = []
errors.extend(cls._check_swappable())
errors.extend(cls._check_model())
errors.extend(cls._check_managers(**kwargs))
errors = [*cls._check_swappable(), *cls._check_model(), *cls._check_managers(**kwargs)]
if not cls._meta.swapped:
errors.extend(cls._check_fields(**kwargs))
errors.extend(cls._check_m2m_through_same_relationship())
errors.extend(cls._check_long_column_names())
errors += [
*cls._check_fields(**kwargs),
*cls._check_m2m_through_same_relationship(),
*cls._check_long_column_names(),
]
clash_errors = (
cls._check_id_field() +
cls._check_field_name_clashes() +
@ -1204,9 +1203,11 @@ class Model(metaclass=ModelBase):
# clashes.
if not clash_errors:
errors.extend(cls._check_column_name_clashes())
errors.extend(cls._check_index_together())
errors.extend(cls._check_unique_together())
errors.extend(cls._check_ordering())
errors += [
*cls._check_index_together(),
*cls._check_unique_together(),
*cls._check_ordering(),
]
return errors

13
django/db/models/expressions.py
View File

@ -565,7 +565,7 @@ class Func(SQLiteNumericMixin, Expression):
def __repr__(self):
args = self.arg_joiner.join(str(arg) for arg in self.source_expressions)
extra = dict(self.extra, **self._get_repr_options())
extra = {**self.extra, **self._get_repr_options()}
if extra:
extra = ', '.join(str(key) + '=' + str(val) for key, val in sorted(extra.items()))
return "{}({}, {})".format(self.__class__.__name__, args, extra)
@ -596,8 +596,7 @@ class Func(SQLiteNumericMixin, Expression):
arg_sql, arg_params = compiler.compile(arg)
sql_parts.append(arg_sql)
params.extend(arg_params)
data = self.extra.copy()
data.update(**extra_context)
data = {**self.extra, **extra_context}
# Use the first supplied value in this order: the parameter to this
# method, a value supplied in __init__()'s **extra (the value in
# `data`), or the value defined on the class.
@ -921,8 +920,7 @@ class Case(Expression):
connection.ops.check_expression_support(self)
if not self.cases:
return compiler.compile(self.default)
template_params = self.extra.copy()
template_params.update(extra_context)
template_params = {**self.extra, **extra_context}
case_parts = []
sql_params = []
for case in self.cases:
@ -1017,8 +1015,7 @@ class Subquery(Expression):
def as_sql(self, compiler, connection, template=None, **extra_context):
connection.ops.check_expression_support(self)
template_params = self.extra.copy()
template_params.update(extra_context)
template_params = {**self.extra, **extra_context}
template_params['subquery'], sql_params = self.queryset.query.get_compiler(connection=connection).as_sql()
template = template or template_params.get('template', self.template)
@ -1103,8 +1100,8 @@ class OrderBy(BaseExpression):
placeholders = {
'expression': expression_sql,
'ordering': 'DESC' if self.descending else 'ASC',
**extra_context,
}
placeholders.update(extra_context)
template = template or self.template
params *= template.count('%(expression)s')
return (template % placeholders).rstrip(), params

210
django/db/models/fields/__init__.py
View File

@ -2,7 +2,6 @@ import collections
import copy
import datetime
import decimal
import itertools
import operator
import uuid
import warnings
@ -199,15 +198,15 @@ class Field(RegisterLookupMixin):
return '<%s>' % path
def check(self, **kwargs):
errors = []
errors.extend(self._check_field_name())
errors.extend(self._check_choices())
errors.extend(self._check_db_index())
errors.extend(self._check_null_allowed_for_primary_keys())
errors.extend(self._check_backend_specific_checks(**kwargs))
errors.extend(self._check_validators())
errors.extend(self._check_deprecation_details())
return errors
return [
*self._check_field_name(),
*self._check_choices(),
*self._check_db_index(),
*self._check_null_allowed_for_primary_keys(),
*self._check_backend_specific_checks(**kwargs),
*self._check_validators(),
*self._check_deprecation_details(),
]
def _check_field_name(self):
"""
@ -549,7 +548,7 @@ class Field(RegisterLookupMixin):
Some validators can't be created at field initialization time.
This method provides a way to delay their creation until required.
"""
return list(itertools.chain(self.default_validators, self._validators))
return [*self.default_validators, *self._validators]
def run_validators(self, value):
if value in self.empty_values:
@ -886,9 +885,10 @@ class AutoField(Field):
super().__init__(*args, **kwargs)
def check(self, **kwargs):
errors = super().check(**kwargs)
errors.extend(self._check_primary_key())
return errors
return [
*super().check(**kwargs),
*self._check_primary_key(),
]
def _check_primary_key(self):
if not self.primary_key:
@ -972,9 +972,10 @@ class BooleanField(Field):
super().__init__(*args, **kwargs)
def check(self, **kwargs):
errors = super().check(**kwargs)
errors.extend(self._check_null(**kwargs))
return errors
return [
*super().check(**kwargs),
*self._check_null(**kwargs),
]
def _check_null(self, **kwargs):
if getattr(self, 'null', False):
@ -1038,9 +1039,10 @@ class CharField(Field):
self.validators.append(validators.MaxLengthValidator(self.max_length))
def check(self, **kwargs):
errors = super().check(**kwargs)
errors.extend(self._check_max_length_attribute(**kwargs))
return errors
return [
*super().check(**kwargs),
*self._check_max_length_attribute(**kwargs),
]
def _check_max_length_attribute(self, **kwargs):
if self.max_length is None:
@ -1111,10 +1113,11 @@ class CommaSeparatedIntegerField(CharField):
class DateTimeCheckMixin:
def check(self, **kwargs):
errors = super().check(**kwargs)
errors.extend(self._check_mutually_exclusive_options())
errors.extend(self._check_fix_default_value())
return errors
return [
*super().check(**kwargs),
*self._check_mutually_exclusive_options(),
*self._check_fix_default_value(),
]
def _check_mutually_exclusive_options(self):
# auto_now, auto_now_add, and default are mutually exclusive
@ -1276,9 +1279,10 @@ class DateField(DateTimeCheckMixin, Field):
return '' if val is None else val.isoformat()
def formfield(self, **kwargs):
defaults = {'form_class': forms.DateField}
defaults.update(kwargs)
return super().formfield(**defaults)
return super().formfield(**{
'form_class': forms.DateField,
**kwargs,
})
class DateTimeField(DateField):
@ -1431,9 +1435,10 @@ class DateTimeField(DateField):
return '' if val is None else val.isoformat()
def formfield(self, **kwargs):
defaults = {'form_class': forms.DateTimeField}
defaults.update(kwargs)
return super().formfield(**defaults)
return super().formfield(**{
'form_class': forms.DateTimeField,
**kwargs,
})
class DecimalField(Field):
@ -1451,8 +1456,10 @@ class DecimalField(Field):
def check(self, **kwargs):
errors = super().check(**kwargs)
digits_errors = self._check_decimal_places()
digits_errors.extend(self._check_max_digits())
digits_errors = [
*self._check_decimal_places(),
*self._check_max_digits(),
]
if not digits_errors:
errors.extend(self._check_decimal_places_and_max_digits(**kwargs))
else:
@ -1575,13 +1582,12 @@ class DecimalField(Field):
return self.to_python(value)
def formfield(self, **kwargs):
defaults = {
return super().formfield(**{
'max_digits': self.max_digits,
'decimal_places': self.decimal_places,
'form_class': forms.DecimalField,
}
defaults.update(kwargs)
return super().formfield(**defaults)
**kwargs,
})
class DurationField(Field):
@ -1639,11 +1645,10 @@ class DurationField(Field):
return '' if val is None else duration_string(val)
def formfield(self, **kwargs):
defaults = {
return super().formfield(**{
'form_class': forms.DurationField,
}
defaults.update(kwargs)
return super().formfield(**defaults)
**kwargs,
})
class EmailField(CharField):
@ -1664,11 +1669,10 @@ class EmailField(CharField):
def formfield(self, **kwargs):
# As with CharField, this will cause email validation to be performed
# twice.
defaults = {
return super().formfield(**{
'form_class': forms.EmailField,
}
defaults.update(kwargs)
return super().formfield(**defaults)
**kwargs,
})
class FilePathField(Field):
@ -1682,9 +1686,10 @@ class FilePathField(Field):
super().__init__(verbose_name, name, **kwargs)
def check(self, **kwargs):
errors = super().check(**kwargs)
errors.extend(self._check_allowing_files_or_folders(**kwargs))
return errors
return [
*super().check(**kwargs),
*self._check_allowing_files_or_folders(**kwargs),
]
def _check_allowing_files_or_folders(self, **kwargs):
if not self.allow_files and not self.allow_folders:
@ -1720,16 +1725,15 @@ class FilePathField(Field):
return str(value)
def formfield(self, **kwargs):
defaults = {
return super().formfield(**{
'path': self.path,
'match': self.match,
'recursive': self.recursive,
'form_class': forms.FilePathField,
'allow_files': self.allow_files,
'allow_folders': self.allow_folders,
}
defaults.update(kwargs)
return super().formfield(**defaults)
**kwargs,
})
def get_internal_type(self):
return "FilePathField"
@ -1764,9 +1768,10 @@ class FloatField(Field):
)
def formfield(self, **kwargs):
defaults = {'form_class': forms.FloatField}
defaults.update(kwargs)
return super().formfield(**defaults)
return super().formfield(**{
'form_class': forms.FloatField,
**kwargs,
})
class IntegerField(Field):
@ -1777,9 +1782,10 @@ class IntegerField(Field):
description = _("Integer")
def check(self, **kwargs):
errors = super().check(**kwargs)
errors.extend(self._check_max_length_warning())
return errors
return [
*super().check(**kwargs),
*self._check_max_length_warning(),
]
def _check_max_length_warning(self):
if self.max_length is not None:
@ -1836,9 +1842,10 @@ class IntegerField(Field):
)
def formfield(self, **kwargs):
defaults = {'form_class': forms.IntegerField}
defaults.update(kwargs)
return super().formfield(**defaults)
return super().formfield(**{
'form_class': forms.IntegerField,
**kwargs,
})
class BigIntegerField(IntegerField):
@ -1850,10 +1857,11 @@ class BigIntegerField(IntegerField):
return "BigIntegerField"
def formfield(self, **kwargs):
defaults = {'min_value': -BigIntegerField.MAX_BIGINT - 1,
'max_value': BigIntegerField.MAX_BIGINT}
defaults.update(kwargs)
return super().formfield(**defaults)
return super().formfield(**{
'min_value': -BigIntegerField.MAX_BIGINT - 1,
'max_value': BigIntegerField.MAX_BIGINT,
**kwargs,
})
class IPAddressField(Field):
@ -1903,9 +1911,10 @@ class GenericIPAddressField(Field):
super().__init__(verbose_name, name, *args, **kwargs)
def check(self, **kwargs):
errors = super().check(**kwargs)
errors.extend(self._check_blank_and_null_values(**kwargs))
return errors
return [
*super().check(**kwargs),
*self._check_blank_and_null_values(**kwargs),
]
def _check_blank_and_null_values(self, **kwargs):
if not getattr(self, 'null', False) and getattr(self, 'blank', False):
@ -1959,12 +1968,11 @@ class GenericIPAddressField(Field):
return str(value)
def formfield(self, **kwargs):
defaults = {
return super().formfield(**{
'protocol': self.protocol,
'form_class': forms.GenericIPAddressField,
}
defaults.update(kwargs)
return super().formfield(**defaults)
**kwargs,
})
class NullBooleanField(Field):
@ -2012,9 +2020,10 @@ class NullBooleanField(Field):
return self.to_python(value)
def formfield(self, **kwargs):
defaults = {'form_class': forms.NullBooleanField}
defaults.update(kwargs)
return super().formfield(**defaults)
return super().formfield(**{
'form_class': forms.NullBooleanField,
**kwargs,
})
class PositiveIntegerRelDbTypeMixin:
@ -2041,9 +2050,10 @@ class PositiveIntegerField(PositiveIntegerRelDbTypeMixin, IntegerField):
return "PositiveIntegerField"
def formfield(self, **kwargs):
defaults = {'min_value': 0}
defaults.update(kwargs)
return super().formfield(**defaults)
return super().formfield(**{
'min_value': 0,
**kwargs,
})
class PositiveSmallIntegerField(PositiveIntegerRelDbTypeMixin, IntegerField):
@ -2053,9 +2063,10 @@ class PositiveSmallIntegerField(PositiveIntegerRelDbTypeMixin, IntegerField):
return "PositiveSmallIntegerField"
def formfield(self, **kwargs):
defaults = {'min_value': 0}
defaults.update(kwargs)
return super().formfield(**defaults)
return super().formfield(**{
'min_value': 0,
**kwargs,
})
class SlugField(CharField):
@ -2084,9 +2095,11 @@ class SlugField(CharField):
return "SlugField"
def formfield(self, **kwargs):
defaults = {'form_class': forms.SlugField, 'allow_unicode': self.allow_unicode}
defaults.update(kwargs)
return super().formfield(**defaults)
return super().formfield(**{
'form_class': forms.SlugField,
'allow_unicode': self.allow_unicode,
**kwargs,
})
class SmallIntegerField(IntegerField):
@ -2115,11 +2128,11 @@ class TextField(Field):
# Passing max_length to forms.CharField means that the value's length
# will be validated twice. This is considered acceptable since we want
# the value in the form field (to pass into widget for example).
defaults = {'max_length': self.max_length}
if not self.choices:
defaults['widget'] = forms.Textarea
defaults.update(kwargs)
return super().formfield(**defaults)
return super().formfield(**{
'max_length': self.max_length,
**({} if self.choices else {'widget': forms.Textarea}),
**kwargs,
})
class TimeField(DateTimeCheckMixin, Field):
@ -2248,9 +2261,10 @@ class TimeField(DateTimeCheckMixin, Field):
return '' if val is None else val.isoformat()
def formfield(self, **kwargs):
defaults = {'form_class': forms.TimeField}
defaults.update(kwargs)
return super().formfield(**defaults)
return super().formfield(**{
'form_class': forms.TimeField,
**kwargs,
})
class URLField(CharField):
@ -2270,11 +2284,10 @@ class URLField(CharField):
def formfield(self, **kwargs):
# As with CharField, this will cause URL validation to be performed
# twice.
defaults = {
return super().formfield(**{
'form_class': forms.URLField,
}
defaults.update(kwargs)
return super().formfield(**defaults)
**kwargs,
})
class BinaryField(Field):
@ -2365,8 +2378,7 @@ class UUIDField(Field):
return value
def formfield(self, **kwargs):
defaults = {
return super().formfield(**{
'form_class': forms.UUIDField,
}
defaults.update(kwargs)
return super().formfield(**defaults)
**kwargs,
})

31
django/db/models/fields/files.py
View File

@ -230,10 +230,11 @@ class FileField(Field):
super().__init__(verbose_name, name, **kwargs)
def check(self, **kwargs):
errors = super().check(**kwargs)
errors.extend(self._check_primary_key())
errors.extend(self._check_upload_to())
return errors
return [
*super().check(**kwargs),
*self._check_primary_key(),
*self._check_upload_to(),
]
def _check_primary_key(self):
if self._primary_key_set_explicitly:
@ -318,9 +319,11 @@ class FileField(Field):
setattr(instance, self.name, data)
def formfield(self, **kwargs):
defaults = {'form_class': forms.FileField, 'max_length': self.max_length}
defaults.update(kwargs)
return super().formfield(**defaults)
return super().formfield(**{
'form_class': forms.FileField,
'max_length': self.max_length,
**kwargs,
})
class ImageFileDescriptor(FileDescriptor):
@ -363,9 +366,10 @@ class ImageField(FileField):
super().__init__(verbose_name, name, **kwargs)
def check(self, **kwargs):
errors = super().check(**kwargs)
errors.extend(self._check_image_library_installed())
return errors
return [
*super().check(**kwargs),
*self._check_image_library_installed(),
]
def _check_image_library_installed(self):
try:
@ -458,6 +462,7 @@ class ImageField(FileField):
setattr(instance, self.height_field, height)
def formfield(self, **kwargs):
defaults = {'form_class': forms.ImageField}
defaults.update(kwargs)
return super().formfield(**defaults)
return super().formfield(**{
'form_class': forms.ImageField,
**kwargs,
})

61
django/db/models/fields/related.py
View File

@ -95,13 +95,14 @@ class RelatedField(FieldCacheMixin, Field):
return self.remote_field.model
def check(self, **kwargs):
errors = super().check(**kwargs)
errors.extend(self._check_related_name_is_valid())
errors.extend(self._check_related_query_name_is_valid())
errors.extend(self._check_relation_model_exists())
errors.extend(self._check_referencing_to_swapped_model())
errors.extend(self._check_clashes())
return errors
return [
*super().check(**kwargs),
*self._check_related_name_is_valid(),
*self._check_related_query_name_is_valid(),
*self._check_relation_model_exists(),
*self._check_referencing_to_swapped_model(),
*self._check_clashes(),
]
def _check_related_name_is_valid(self):
import keyword
@ -480,10 +481,11 @@ class ForeignObject(RelatedField):
self.swappable = swappable
def check(self, **kwargs):
errors = super().check(**kwargs)
errors.extend(self._check_to_fields_exist())
errors.extend(self._check_unique_target())
return errors
return [
*super().check(**kwargs),
*self._check_to_fields_exist(),
*self._check_unique_target(),
]
def _check_to_fields_exist(self):
# Skip nonexistent models.
@ -815,10 +817,11 @@ class ForeignKey(ForeignObject):
self.db_constraint = db_constraint
def check(self, **kwargs):
errors = super().check(**kwargs)
errors.extend(self._check_on_delete())
errors.extend(self._check_unique())
return errors
return [
*super().check(**kwargs),
*self._check_on_delete(),
*self._check_unique(),
]
def _check_on_delete(self):
on_delete = getattr(self.remote_field, 'on_delete', None)
@ -950,13 +953,12 @@ class ForeignKey(ForeignObject):
raise ValueError("Cannot create form field for %r yet, because "
"its related model %r has not been loaded yet" %
(self.name, self.remote_field.model))
defaults = {
return super().formfield(**{
'form_class': forms.ModelChoiceField,
'queryset': self.remote_field.model._default_manager.using(using),
'to_field_name': self.remote_field.field_name,
}
defaults.update(kwargs)
return super().formfield(**defaults)
**kwargs,
})
def db_check(self, connection):
return []
@ -1134,12 +1136,13 @@ class ManyToManyField(RelatedField):
self.swappable = swappable
def check(self, **kwargs):
errors = super().check(**kwargs)
errors.extend(self._check_unique(**kwargs))
errors.extend(self._check_relationship_model(**kwargs))
errors.extend(self._check_ignored_options(**kwargs))
errors.extend(self._check_table_uniqueness(**kwargs))
return errors
return [
*super().check(**kwargs),
*self._check_unique(**kwargs),
*self._check_relationship_model(**kwargs),
*self._check_ignored_options(**kwargs),
*self._check_table_uniqueness(**kwargs),
]
def _check_unique(self, **kwargs):
if self.unique:
@ -1461,7 +1464,6 @@ class ManyToManyField(RelatedField):
def _get_path_info(self, direct=False, filtered_relation=None):
"""Called by both direct and indirect m2m traversal."""
pathinfos = []
int_model = self.remote_field.through
linkfield1 = int_model._meta.get_field(self.m2m_field_name())
linkfield2 = int_model._meta.get_field(self.m2m_reverse_field_name())
@ -1484,10 +1486,7 @@ class ManyToManyField(RelatedField):
else:
intermediate_infos = join2_initial.get_path_from_parent(join1_final.model)
pathinfos.extend(join1infos)
pathinfos.extend(intermediate_infos)
pathinfos.extend(join2infos)
return pathinfos
return [*join1infos, *intermediate_infos, *join2infos]
def get_path_info(self, filtered_relation=None):
return self._get_path_info(direct=True, filtered_relation=filtered_relation)
@ -1624,8 +1623,8 @@ class ManyToManyField(RelatedField):
defaults = {
'form_class': forms.ModelMultipleChoiceField,
'queryset': self.remote_field.model._default_manager.using(using),
**kwargs,
}
defaults.update(kwargs)
# If initial is passed in, it's a list of related objects, but the
# MultipleChoiceField takes a list of IDs.
if defaults.get('initial') is not None:

7
django/db/models/manager.py
View File

@ -101,11 +101,10 @@ class BaseManager:
def from_queryset(cls, queryset_class, class_name=None):
if class_name is None:
class_name = '%sFrom%s' % (cls.__name__, queryset_class.__name__)
class_dict = {
return type(class_name, (cls,), {
'_queryset_class': queryset_class,
}
class_dict.update(cls._get_queryset_methods(queryset_class))
return type(class_name, (cls,), class_dict)
**cls._get_queryset_methods(queryset_class),
})
def contribute_to_class(self, model, name):
if not self.name:

4
django/db/models/query.py
View File

@ -157,9 +157,7 @@ class NamedValuesListIterable(ValuesListIterable):
names = queryset._fields
else:
query = queryset.query
names = list(query.extra_select)
names.extend(query.values_select)
names.extend(query.annotation_select)
names = [*query.extra_select, *query.values_select, *query.annotation_select]
tuple_class = self.create_namedtuple_class(*names)
new = tuple.__new__
for row in super().__iter__():

5
django/db/models/sql/compiler.py
View File

@ -476,10 +476,7 @@ class SQLCompiler:
params.extend(s_params)
out_cols.append(s_sql)
result.append(', '.join(out_cols))
result.append('FROM')
result.extend(from_)
result += [', '.join(out_cols), 'FROM', *from_]
params.extend(f_params)
if self.query.select_for_update and self.connection.features.has_select_for_update:

2
django/forms/boundfield.py
View File

@ -153,7 +153,7 @@ class BoundField:
if id_:
id_for_label = widget.id_for_label(id_)
if id_for_label:
attrs = dict(attrs or {}, **{'for': id_for_label})
attrs = {**(attrs or {}), 'for': id_for_label}
if self.field.required and hasattr(self.form, 'required_css_class'):
attrs = attrs or {}
if 'class' in attrs:

3
django/forms/fields.py
View File

@ -4,7 +4,6 @@ Field classes.
import copy
import datetime
import itertools
import math
import os
import re
@ -112,7 +111,7 @@ class Field:
messages.update(error_messages or {})
self.error_messages = messages
self.validators = list(itertools.chain(self.default_validators, validators))
self.validators = [*self.default_validators, *validators]
super().__init__()

4
django/forms/models.py
View File

@ -564,9 +564,7 @@ class BaseModelFormSet(BaseFormSet):
queryset=None, *, initial=None, **kwargs):
self.queryset = queryset
self.initial_extra = initial
defaults = {'data': data, 'files': files, 'auto_id': auto_id, 'prefix': prefix}
defaults.update(kwargs)
super().__init__(**defaults)
super().__init__(**{'data': data, 'files': files, 'auto_id': auto_id, 'prefix': prefix, **kwargs})
def initial_form_count(self):
"""Return the number of forms that are required in this FormSet."""

5
django/forms/widgets.py
View File

@ -241,10 +241,7 @@ class Widget(metaclass=MediaDefiningClass):
def build_attrs(self, base_attrs, extra_attrs=None):
"""Build an attribute dictionary."""
attrs = base_attrs.copy()
if extra_attrs is not None:
attrs.update(extra_attrs)
return attrs
return {**base_attrs, **(extra_attrs or {})}
def value_from_datadict(self, data, files, name):
"""

21
django/test/client.py
View File

@ -274,7 +274,7 @@ class RequestFactory:
# - HTTP_COOKIE: for cookie support,
# - REMOTE_ADDR: often useful, see #8551.
# See http://www.python.org/dev/peps/pep-3333/#environ-variables
environ = {
return {
'HTTP_COOKIE': self.cookies.output(header='', sep='; '),
'PATH_INFO': '/',
'REMOTE_ADDR': '127.0.0.1',
@ -290,10 +290,9 @@ class RequestFactory:
'wsgi.multiprocess': True,
'wsgi.multithread': False,
'wsgi.run_once': False,
**self.defaults,
**request,
}
environ.update(self.defaults)
environ.update(request)
return environ
def request(self, **request):
"Construct a generic request object."
@ -325,11 +324,10 @@ class RequestFactory:
def get(self, path, data=None, secure=False, **extra):
"""Construct a GET request."""
data = {} if data is None else data
r = {
return self.generic('GET', path, secure=secure, **{
'QUERY_STRING': urlencode(data, doseq=True),
}
r.update(extra)
return self.generic('GET', path, secure=secure, **r)
**extra,
})
def post(self, path, data=None, content_type=MULTIPART_CONTENT,
secure=False, **extra):
@ -343,11 +341,10 @@ class RequestFactory:
def head(self, path, data=None, secure=False, **extra):
"""Construct a HEAD request."""
data = {} if data is None else data
r = {
return self.generic('HEAD', path, secure=secure, **{
'QUERY_STRING': urlencode(data, doseq=True),
}
r.update(extra)
return self.generic('HEAD', path, secure=secure, **r)
**extra,
})
def trace(self, path, secure=False, **extra):
"""Construct a TRACE request."""

2
django/test/testcases.py
View File

@ -635,7 +635,7 @@ class SimpleTestCase(unittest.TestCase):
if field_kwargs is None:
field_kwargs = {}
required = fieldclass(*field_args, **field_kwargs)
optional = fieldclass(*field_args, **dict(field_kwargs, required=False))
optional = fieldclass(*field_args, **{**field_kwargs, 'required': False})
# test valid inputs
for input, output in valid.items():
self.assertEqual(required.clean(input), output)

6
django/test/utils.py
View File

@ -423,8 +423,10 @@ class override_settings(TestContextDecorator):
test_func._overridden_settings = self.options
else:
# Duplicate dict to prevent subclasses from altering their parent.
test_func._overridden_settings = dict(
test_func._overridden_settings, **self.options)
test_func._overridden_settings = {
**test_func._overridden_settings,
**self.options,
}
def decorate_class(self, cls):
from django.test import SimpleTestCase

6
django/urls/resolvers.py
View File

@ -440,8 +440,8 @@ class URLResolver:
(
new_matches,
p_pattern + pat,
dict(defaults, **url_pattern.default_kwargs),
dict(self.pattern.converters, **converters)
{**defaults, **url_pattern.default_kwargs},
{**self.pattern.converters, **converters}
)
)
for namespace, (prefix, sub_pattern) in url_pattern.namespace_dict.items():
@ -500,7 +500,7 @@ class URLResolver:
else:
if sub_match:
# Merge captured arguments in match with submatch
sub_match_dict = dict(kwargs, **self.default_kwargs)
sub_match_dict = {**kwargs, **self.default_kwargs}
# Update the sub_match_dict with the kwargs from the sub_match.
sub_match_dict.update(sub_match.kwargs)
# If there are *any* named groups, ignore all non-named groups.

9
django/utils/feedgenerator.py
View File

@ -102,8 +102,8 @@ class SyndicationFeed:
'feed_copyright': to_str(feed_copyright),
'id': feed_guid or link,
'ttl': to_str(ttl),
**kwargs,
}
self.feed.update(kwargs)
self.items = []
def add_item(self, title, link, description, author_email=None,
@ -119,7 +119,7 @@ class SyndicationFeed:
return str(s) if s is not None else s
if categories:
categories = [to_str(c) for c in categories]
item = {
self.items.append({
'title': to_str(title),
'link': iri_to_uri(link),
'description': to_str(description),
@ -135,9 +135,8 @@ class SyndicationFeed:
'categories': categories or (),
'item_copyright': to_str(item_copyright),
'ttl': to_str(ttl),
}
item.update(kwargs)
self.items.append(item)
**kwargs,
})
def num_items(self):
return len(self.items)

2
django/utils/functional.py
View File

@ -9,7 +9,7 @@ from functools import total_ordering, wraps
# CPython) is a type and its instances don't bind.
def curry(_curried_func, *args, **kwargs):
def _curried(*moreargs, **morekwargs):
return _curried_func(*(args + moreargs), **dict(kwargs, **morekwargs))
return _curried_func(*(args + moreargs), **{**kwargs, **morekwargs})
return _curried