逆转延迟错误NoReverseMatch at django DeleteView

Question

我试图在删除1个分析后返回患者分析列表。但不能管理适当的成功url

这是我的模型:

class PatientAnalysis(models.Model):
patient = models.ForeignKey(Patient, on_delete=models.CASCADE)
analysis_date = models.DateTimeField(help_text = "Разделяйте даты точками! Используйте '/' или '-'")
# analysis_type = models.IntegerField(choices = ANALYSIS_CHOICES) #перевести в таблицу
analysis_type = models.ForeignKey(AnalysisType, on_delete=models.CASCADE, default=1)
analysis_data = models.DecimalField(max_digits=5, decimal_places=2)
def __str__(self):
return f"{self.patient}"
def get_analysis_type(self):
return f"{self.analysis_type}"
def get_absolute_url(self):
return reverse('journal:patient_analysis', kwargs={'hist_num_slug':self.patient.pk})
class Meta:
unique_together = ('analysis_date','analysis_type',)

这是列出每个患者的所有分析的类

class PatientAnalysisListView(ListView):
model = PatientAnalysis
template_name = 'journal/patient_analysis.html'
context_object_name  = 'analysis'
def get_context_data(self, *, object_list=None, **kwargs):
<...>      

return context
def get_queryset(self):
return PatientAnalysis.objects.filter(patient__hist_num=self.kwargs['hist_num_slug']).order_by('-analysis_date')

下面的代码:

class PatientAnalysisDeleteView(DeleteView):
# Form --> Confirm Delete Button
# model_confirm_delete.html
model = PatientAnalysis

success_url = reverse_lazy('journal:patient_analysis', kwargs={'key': model.patient})

And get error:

NoReverseMatch at /journal/patientanalysis_delete/49
Reverse for 'patient_analysis' with keyword arguments '{'key': <django.db.models.fields.related_descriptors.ForwardManyToOneDescriptor object at 0x7fb88b8c0d90>}' not found. 1 pattern(s) tried: ['journal/patient_analysis/(?P<hist_num_slug>[-a-zA-Z0-9_]+)\Z']
Request Method:     POST
Request URL:    http://127.0.0.1:8000/journal/patientanalysis_delete/49
Django Version:     4.1.3
Exception Type:     NoReverseMatch
Exception Value:    
Reverse for 'patient_analysis' with keyword arguments '{'key': <django.db.models.fields.related_descriptors.ForwardManyToOneDescriptor object at 0x7fb88b8c0d90>}' not found. 1 pattern(s) tried: ['journal/patient_analysis/(?P<hist_num_slug>[-a-zA-Z0-9_]+)\Z']
Exception Location:     /home/verts/.local/lib/python3.10/site-packages/django/urls/resolvers.py, line 828, in _reverse_with_prefix
Raised during:  journal.views.PatientAnalysisDeleteView
Python Executable:  /usr/bin/python3
Python Version:     3.10.6
Python Path:    
['/home/verts/Documents/social-network/social_network/medicine',
'/usr/lib/python310.zip',
'/usr/lib/python3.10',
'/usr/lib/python3.10/lib-dynload',
'/home/verts/.local/lib/python3.10/site-packages',
'/usr/local/lib/python3.10/dist-packages',
'/usr/lib/python3/dist-packages']
Server time:    Sat, 26 Nov 2022 21:24:52 +0300`

尝试创建一个函数获取成功url，但未成功。

编辑:此外，Willem Van Onsem解决方案，您可以简单地通过html代码反转:

<form action="../patient_analysis/{{patientanalysis.patient.hist_num}}" method="POST">

Answer 1

您可以覆盖.get_success_url()方法^[Django-doc]返回我们重定向到的路径:

from django.urls import reverse

class PatientAnalysisDeleteView(DeleteView):
model = PatientAnalysis
def get_success_url(self):
return reverse(
'journal:patient_analysis',
kwargs={'hist_num_slug': self.object.patient_id},
)