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私の貧しい人のために申し訳ありませんが、私は数日ほどで作業していますが、ブロックされています。もはや働かなかった。Django Django空のモデルからのリストTypeError：unhashable type： 'list'
私はその理由と解決方法を理解するために働いていますが、手掛かりはありません。この状況を解決し、私を助けるために行くための道を求めてください。
私だけでしたので、私は何か間違ったことをやっている知っている：
./manage.py --fork contractos zero
clean all migrations data on contractos/migrations (except init.py)
./manage.py --fake
./manage.py makemigrations
./manage.py migrate
./manage.py runserver
<code>
my list.py
from django.core.paginator import Paginator, EmptyPage, PageNotAnInteger
from django.http import Http404
from django.shortcuts import render
# Create your views here.
from contractos.models import Contracto
def list(request):
if not request.user.is_staff and not request.user.is_superuser:
raise Http404
contractos_list = Contracto.objects.all() #.order_by("empresa")
paginator = Paginator(contractos_list, 10) # Show 25 contacts per page
page_request_var = 'lista'
page = request.GET.get(page_request_var)
try:
contractos = paginator.page(page)
except PageNotAnInteger:
#If page is not an integer, deliver first page.
contractos = paginator.page(1)
except EmptyPage:
#If page is out of range (e.g. 9999), deliver last page of results.
contractos = paginator.page(paginator.num_pages)
context = {
"object_list" : contractos,
"title": "Lista de Contractos",
"page_request_var": page_request_var,
}
return render(request, "contractos/list.html", context)
**my list.html**
{% extends "base.html" %}
{% block content %}
<div class="col-sm-9 col-sm-offset-1">
<h1>Contractos {{ title }}</h1>
<div class="row">
{% for obj in object_list %}
<div class="col-sm-6 col-md-4">
<div class="thumbnail">
<div class="caption">
<h3>
<a href='{{ obj.get_absolute_url }}'>{{ obj.empresa }} </a><br />
{% if obj.logo %}
<img src="{{ obj.logo.url }}" class="img-responsive"/>
{% endif %}
<small>criado {{ obj.timestamp|timesince }}</small><br />
<small>alterado em {{ obj.updated|timesince }}</small><br />
</h3>
{{ obj.nfic }} <br/>
{{ obj.descricao|linebreaks|truncatechars:60 }}
<p>...</p>
<p><a href="{{ obj.get_absolute_url }}" class="btn btn-primary" role="button">Detalhes</a>
<!--a href="#" class="btn btn-default" role="button">Button</a--></p>
</div>
</div>
</div>
{% cycle "" "<div class='col-sm-12'><hr/></div></div><div class='row'>" %}
{% endfor %}
</div>
<div class="pagination">
<span class="step-links">
{% if object_list.has_previous %}
<a href="?{{ page_request_var }}=1">Primeira</a>
<a href="?{{ page_request_var }}={{ object_list.previous_page_number }}">Anterior</a>
{% endif %}
<span class="current">
{% if object_list.number %}
Pagina {{ object_list.number }} de {{ object_list.paginator.num_pages }}.
{% endif %}
</span>
{% if object_list.has_next %}
<a href="?{{ page_request_var }}={{ object_list.next_page_number }}">Seguinte</a>
<a href="?{{ page_request_var }}={{ object_list.paginator.num_pages }}">Ultima</a>
{% endif %}
</span>
</div>
</div>
{% endblock content %}
**my models.py**
from __future__ import unicode_literals
import uuid
from django.db import models
from django.core.urlresolvers import reverse
STATUS_CHOICES = [
('a', 'Activo'),
('s', 'Suspenso'),
('c', 'Cancelado'),
('t', 'Terminado'),
]
def upload_location(instance, filename):
return "contractos/%s/%s" % (instance.nfic, filename)
# Create your models here.
class Contracto(models.Model):
slug = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=False)
nfic = models.CharField(max_length=15, default='PT000000000', unique=True)
empresa = models.CharField(max_length=128, unique=True)
descricao = models.TextField()
status = models.CharField(max_length=1, choices=STATUS_CHOICES, default='a')
logo = models.ImageField(upload_to=upload_location,
null=True,
blank=True,
width_field="width_field",
height_field="height_field"
)
height_field = models.IntegerField(default=0)
width_field = models.IntegerField(default=0)
updated = models.DateTimeField(auto_now=True, auto_now_add=False)
timestamp = models.DateTimeField(auto_now=False, auto_now_add=True)
def __str__(self):
return self.empresa
def get_absolute_url(self):
return reverse("contractos:details", kwargs={"uuid": self.slug})
class Meta:
ordering = ["empresa"]
db_table = ["Contractos"]
and the error I got when try rendering list.py are:
**Environment:**
Request Method: GET
Request URL: http://127.0.0.1:8000/contractos/
Django Version: 1.10.4
Python Version: 3.5.1
Installed Applications:
['django.contrib.admin',
'django.contrib.auth',
'django.contrib.contenttypes',
'django.contrib.sessions',
'django.contrib.messages',
'django.contrib.staticfiles',
'contractos']
Installed Middleware:
['django.middleware.security.SecurityMiddleware',
'django.contrib.sessions.middleware.SessionMiddleware',
'django.middleware.common.CommonMiddleware',
'django.middleware.csrf.CsrfViewMiddleware',
'django.contrib.auth.middleware.AuthenticationMiddleware',
'django.contrib.messages.middleware.MessageMiddleware',
'django.middleware.clickjacking.XFrameOptionsMiddleware']
Traceback:
File "/home/gwo/Projects/paas/lib/python3.5/site-packages/django/core/paginator.py" in validate_number
34. number = int(number)
**During handling of the above exception (int() argument must be a string, a bytes-like object or a number, not 'NoneType'), another exception occurred:**
File "/home/gwo/Projects/paas/src/contractos/views/list.py" in list
20. contractos = paginator.page(page)
File "/home/gwo/Projects/paas/lib/python3.5/site-packages/django/core/paginator.py" in page
50. number = self.validate_number(number)
File "/home/gwo/Projects/paas/lib/python3.5/site-packages/django/core/paginator.py" in validate_number
36. raise PageNotAnInteger('That page number is not an integer')
**During handling of the above exception (That page number is not an integer), another exception occurred:**
File "/home/gwo/Projects/paas/lib/python3.5/site-packages/django/core/paginator.py" in count
72. return self.object_list.count()
File "/home/gwo/Projects/paas/lib/python3.5/site-packages/django/db/models/query.py" in count
369. return self.query.get_count(using=self.db)
File "/home/gwo/Projects/paas/lib/python3.5/site-packages/django/db/models/sql/query.py" in get_count
476. number = obj.get_aggregation(using, ['__count'])['__count']
File "/home/gwo/Projects/paas/lib/python3.5/site-packages/django/db/models/sql/query.py" in get_aggregation
457. result = compiler.execute_sql(SINGLE)
File "/home/gwo/Projects/paas/lib/python3.5/site-packages/django/db/models/sql/compiler.py" in execute_sql
824. sql, params = self.as_sql()
File "/home/gwo/Projects/paas/lib/python3.5/site-packages/django/db/models/sql/compiler.py" in as_sql
369. extra_select, order_by, group_by = self.pre_sql_setup()
File "/home/gwo/Projects/paas/lib/python3.5/site-packages/django/db/models/sql/compiler.py" in pre_sql_setup
46. self.setup_query()
File "/home/gwo/Projects/paas/lib/python3.5/site-packages/django/db/models/sql/compiler.py" in setup_query
36. self.query.get_initial_alias()
File "/home/gwo/Projects/paas/lib/python3.5/site-packages/django/db/models/sql/query.py" in get_initial_alias
879. alias = self.join(BaseTable(self.get_meta().db_table, None))
File "/home/gwo/Projects/paas/lib/python3.5/site-packages/django/db/models/sql/query.py" in join
921. alias, _ = self.table_alias(join.table_name, create=True)
File "/home/gwo/Projects/paas/lib/python3.5/site-packages/django/db/models/sql/query.py" in table_alias
689. alias_list = self.table_map.get(table_name)
**During handling of the above exception (unhashable type: 'list'), another exception occurred:**
File "/home/gwo/Projects/paas/lib/python3.5/site-packages/django/core/handlers/exception.py" in inner
39. response = get_response(request)
File "/home/gwo/Projects/paas/lib/python3.5/site-packages/django/core/handlers/base.py" in _get_response
187. response = self.process_exception_by_middleware(e, request)
File "/home/gwo/Projects/paas/lib/python3.5/site-packages/django/core/handlers/base.py" in _get_response
185. response = wrapped_callback(request, *callback_args, **callback_kwargs)
File "/home/gwo/Projects/paas/src/contractos/views/list.py" in list
23. contractos = paginator.page(1)
File "/home/gwo/Projects/paas/lib/python3.5/site-packages/django/core/paginator.py" in page
50. number = self.validate_number(number)
File "/home/gwo/Projects/paas/lib/python3.5/site-packages/django/core/paginator.py" in validate_number
39. if number > self.num_pages:
File "/home/gwo/Projects/paas/lib/python3.5/site-packages/django/utils/functional.py" in __get__
35. res = instance.__dict__[self.name] = self.func(instance)
File "/home/gwo/Projects/paas/lib/python3.5/site-packages/django/core/paginator.py" in num_pages
84. if self.count == 0 and not self.allow_empty_first_page:
File "/home/gwo/Projects/paas/lib/python3.5/site-packages/django/utils/functional.py" in __get__
35. res = instance.__dict__[self.name] = self.func(instance)
File "/home/gwo/Projects/paas/lib/python3.5/site-packages/django/core/paginator.py" in count
77. return len(self.object_list)
File "/home/gwo/Projects/paas/lib/python3.5/site-packages/django/db/models/query.py" in __len__
238. self._fetch_all()
File "/home/gwo/Projects/paas/lib/python3.5/site-packages/django/db/models/query.py" in _fetch_all
1087. self._result_cache = list(self.iterator())
File "/home/gwo/Projects/paas/lib/python3.5/site-packages/django/db/models/query.py" in __iter__
54. results = compiler.execute_sql()
File "/home/gwo/Projects/paas/lib/python3.5/site-packages/django/db/models/sql/compiler.py" in execute_sql
824. sql, params = self.as_sql()
File "/home/gwo/Projects/paas/lib/python3.5/site-packages/django/db/models/sql/compiler.py" in as_sql
369. extra_select, order_by, group_by = self.pre_sql_setup()
File "/home/gwo/Projects/paas/lib/python3.5/site-packages/django/db/models/sql/compiler.py" in pre_sql_setup
46. self.setup_query()
File "/home/gwo/Projects/paas/lib/python3.5/site-packages/django/db/models/sql/compiler.py" in setup_query
36. self.query.get_initial_alias()
File "/home/gwo/Projects/paas/lib/python3.5/site-packages/django/db/models/sql/query.py" in get_initial_alias
879. alias = self.join(BaseTable(self.get_meta().db_table, None))
File "/home/gwo/Projects/paas/lib/python3.5/site-packages/django/db/models/sql/query.py" in join
921. alias, _ = self.table_alias(join.table_name, create=True)
File "/home/gwo/Projects/paas/lib/python3.5/site-packages/django/db/models/sql/query.py" in table_alias
689. alias_list = self.table_map.get(table_name)
**Exception Type: TypeError at /contractos/
Exception Value: unhashable type: 'list'**
</code>
</pre>
だから私は唯一のことを、私たちの顧客にプロジェクトを立証するために試験情報を再度移入を再起動するために、データベースから私のデータをきれいにあなたが想像することができるように私はキャンセルしなければならなかった！