测试gitnore
This commit is contained in:
ladeng07
@@ -1,20 +1,14 @@
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import warnings
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from django.core.exceptions import ImproperlyConfigured
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from django.forms import Form
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from django.forms import models as model_forms
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from django.http import HttpResponseRedirect
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from django.views.generic.base import ContextMixin, TemplateResponseMixin, View
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from django.views.generic.detail import (
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BaseDetailView,
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SingleObjectMixin,
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SingleObjectTemplateResponseMixin,
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BaseDetailView, SingleObjectMixin, SingleObjectTemplateResponseMixin,
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)
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class FormMixin(ContextMixin):
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"""Provide a way to show and handle a form in a request."""
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initial = {}
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form_class = None
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success_url = None
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@@ -41,17 +35,15 @@ class FormMixin(ContextMixin):
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def get_form_kwargs(self):
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"""Return the keyword arguments for instantiating the form."""
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kwargs = {
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"initial": self.get_initial(),
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"prefix": self.get_prefix(),
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'initial': self.get_initial(),
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'prefix': self.get_prefix(),
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}
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if self.request.method in ("POST", "PUT"):
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kwargs.update(
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{
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"data": self.request.POST,
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"files": self.request.FILES,
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}
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)
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if self.request.method in ('POST', 'PUT'):
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kwargs.update({
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'data': self.request.POST,
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'files': self.request.FILES,
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})
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return kwargs
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def get_success_url(self):
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@@ -70,14 +62,13 @@ class FormMixin(ContextMixin):
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def get_context_data(self, **kwargs):
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"""Insert the form into the context dict."""
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if "form" not in kwargs:
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kwargs["form"] = self.get_form()
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if 'form' not in kwargs:
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kwargs['form'] = self.get_form()
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return super().get_context_data(**kwargs)
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class ModelFormMixin(FormMixin, SingleObjectMixin):
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"""Provide a way to show and handle a ModelForm in a request."""
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fields = None
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def get_form_class(self):
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@@ -92,7 +83,7 @@ class ModelFormMixin(FormMixin, SingleObjectMixin):
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if self.model is not None:
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# If a model has been explicitly provided, use it
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model = self.model
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elif getattr(self, "object", None) is not None:
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elif getattr(self, 'object', None) is not None:
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# If this view is operating on a single object, use
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# the class of that object
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model = self.object.__class__
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@@ -112,8 +103,8 @@ class ModelFormMixin(FormMixin, SingleObjectMixin):
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def get_form_kwargs(self):
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"""Return the keyword arguments for instantiating the form."""
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kwargs = super().get_form_kwargs()
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if hasattr(self, "object"):
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kwargs.update({"instance": self.object})
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if hasattr(self, 'object'):
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kwargs.update({'instance': self.object})
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return kwargs
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def get_success_url(self):
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@@ -126,8 +117,7 @@ class ModelFormMixin(FormMixin, SingleObjectMixin):
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except AttributeError:
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raise ImproperlyConfigured(
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"No URL to redirect to. Either provide a url or define"
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" a get_absolute_url method on the Model."
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)
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" a get_absolute_url method on the Model.")
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return url
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def form_valid(self, form):
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@@ -138,7 +128,6 @@ class ModelFormMixin(FormMixin, SingleObjectMixin):
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class ProcessFormView(View):
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"""Render a form on GET and processes it on POST."""
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def get(self, request, *args, **kwargs):
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"""Handle GET requests: instantiate a blank version of the form."""
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return self.render_to_response(self.get_context_data())
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@@ -174,7 +163,6 @@ class BaseCreateView(ModelFormMixin, ProcessFormView):
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Using this base class requires subclassing to provide a response mixin.
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"""
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def get(self, request, *args, **kwargs):
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self.object = None
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return super().get(request, *args, **kwargs)
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@@ -188,8 +176,7 @@ class CreateView(SingleObjectTemplateResponseMixin, BaseCreateView):
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"""
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View for creating a new object, with a response rendered by a template.
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"""
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template_name_suffix = "_form"
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template_name_suffix = '_form'
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class BaseUpdateView(ModelFormMixin, ProcessFormView):
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@@ -198,7 +185,6 @@ class BaseUpdateView(ModelFormMixin, ProcessFormView):
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Using this base class requires subclassing to provide a response mixin.
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"""
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def get(self, request, *args, **kwargs):
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self.object = self.get_object()
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return super().get(request, *args, **kwargs)
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@@ -210,13 +196,11 @@ class BaseUpdateView(ModelFormMixin, ProcessFormView):
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class UpdateView(SingleObjectTemplateResponseMixin, BaseUpdateView):
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"""View for updating an object, with a response rendered by a template."""
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template_name_suffix = "_form"
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template_name_suffix = '_form'
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class DeletionMixin:
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"""Provide the ability to delete objects."""
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success_url = None
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def delete(self, request, *args, **kwargs):
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@@ -237,58 +221,21 @@ class DeletionMixin:
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if self.success_url:
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return self.success_url.format(**self.object.__dict__)
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else:
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raise ImproperlyConfigured("No URL to redirect to. Provide a success_url.")
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raise ImproperlyConfigured(
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"No URL to redirect to. Provide a success_url.")
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# RemovedInDjango50Warning.
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class DeleteViewCustomDeleteWarning(Warning):
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pass
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class BaseDeleteView(DeletionMixin, FormMixin, BaseDetailView):
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class BaseDeleteView(DeletionMixin, BaseDetailView):
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"""
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Base view for deleting an object.
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Using this base class requires subclassing to provide a response mixin.
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"""
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form_class = Form
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def __init__(self, *args, **kwargs):
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# RemovedInDjango50Warning.
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if self.__class__.delete is not DeletionMixin.delete:
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warnings.warn(
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f"DeleteView uses FormMixin to handle POST requests. As a "
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f"consequence, any custom deletion logic in "
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f"{self.__class__.__name__}.delete() handler should be moved "
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f"to form_valid().",
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DeleteViewCustomDeleteWarning,
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stacklevel=2,
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)
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super().__init__(*args, **kwargs)
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def post(self, request, *args, **kwargs):
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# Set self.object before the usual form processing flow.
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# Inlined because having DeletionMixin as the first base, for
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# get_success_url(), makes leveraging super() with ProcessFormView
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# overly complex.
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self.object = self.get_object()
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form = self.get_form()
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if form.is_valid():
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return self.form_valid(form)
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else:
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return self.form_invalid(form)
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def form_valid(self, form):
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success_url = self.get_success_url()
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self.object.delete()
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return HttpResponseRedirect(success_url)
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class DeleteView(SingleObjectTemplateResponseMixin, BaseDeleteView):
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"""
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View for deleting an object retrieved with self.get_object(), with a
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response rendered by a template.
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"""
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template_name_suffix = "_confirm_delete"
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template_name_suffix = '_confirm_delete'
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