新手在这里。试图建立一个应用程序使用Django和Postgres数据库。我正在努力迁移的时刻得到这个错误“KeyError：（“档案”、“谈话”）”
以下是尝试迁移后命令行中出现的错误：

(myvenv) Abbys-iMac:talks abbyhumphreys$ python manage.py migrate
/Users/abbyhumphreys/talks/myvenv/lib/python3.4/site-packages/django/contrib/sites/models.py:78: RemovedInDjango19Warning: Model class django.contrib.sites.models.Site doesn't declare an explicit app_label and either isn't in an application in INSTALLED_APPS or else was imported before its application was loaded. This will no longer be supported in Django 1.9.
class Site(models.Model):

System check identified some issues:

WARNINGS:
profiles.Profile.user: (fields.W342) Setting unique=True on a ForeignKey has the same effect as using a OneToOneField.
HINT: ForeignKey(unique=True) is usually better served by a OneToOneField.
registration.RegistrationProfile.user: (fields.W342) Setting unique=True on a   ForeignKey has the same effect as using a OneToOneField.
HINT: ForeignKey(unique=True) is usually better served by a OneToOneField.
Operations to perform:
Synchronize unmigrated apps: staticfiles, registration, humanize, messages
Apply all migrations: profiles, auth, sessions, admin, contenttypes
Synchronizing apps without migrations:
Creating tables...
    Running deferred SQL...
    Installing custom SQL...
Running migrations:
    Rendering model states...Traceback (most recent call last):
    File "manage.py", line 10, in <module>
execute_from_command_line(sys.argv)
    File "/Users/abbyhumphreys/talks/myvenv/lib/python3.4/site-packages/django/core/management/__init__.py", line 338, in execute_from_command_line
utility.execute()
    File "/Users/abbyhumphreys/talks/myvenv/lib/python3.4/site-packages/django/core/management/__init__.py", line 330, in execute
self.fetch_command(subcommand).run_from_argv(self.argv)
    File "/Users/abbyhumphreys/talks/myvenv/lib/python3.4/site-packages/django/core/management/base.py", line 390, in run_from_argv
self.execute(*args, **cmd_options)
    File "/Users/abbyhumphreys/talks/myvenv/lib/python3.4/site-packages/django/core/management/base.py", line 441, in execute
output = self.handle(*args, **options)
    File "/Users/abbyhumphreys/talks/myvenv/lib/python3.4/site-packages/django/core/management/commands/migrate.py", line 221, in handle
executor.migrate(targets, plan, fake=fake, fake_initial=fake_initial)
    File "/Users/abbyhumphreys/talks/myvenv/lib/python3.4/site-packages/django/db/migrations/executor.py", line 104, in migrate
state = migration.mutate_state(state, preserve=do_run)
    File "/Users/abbyhumphreys/talks/myvenv/lib/python3.4/site-packages/django/db/migrations/migration.py", line 83, in mutate_state
operation.state_forwards(self.app_label, new_state)
    File "/Users/abbyhumphreys/talks/myvenv/lib/python3.4/site-packages/django/db/migrations/operations/fields.py", line 256, in state_forwards
for n, f in state.models[app_label, self.model_name_lower].fields
KeyError: ('profiles', 'talk')

这是我的models.py:

from django.contrib.auth.models import User
from django.db import models

class Profile(models.Model):
    name = models.CharField(max_length=255)
    sname = models.CharField(max_length=255, blank=True, null=True)
    phone = models.CharField(max_length=255, blank=True, null=True)
    mobile = models.CharField(max_length=255, blank=True, null=True)
    email = models.EmailField(max_length=254, blank=True, null=True)
    address = models.TextField(blank=True, null=True)
    notes = models.TextField()
    slug = models.SlugField(unique=True)
    user = models.ForeignKey(User, unique=True, blank=True, null=True, related_name="users")

class Talk(models.Model):
    talk_no = models.CharField(max_length=255, blank=True, null=True)
    talk_name = models.CharField(max_length=255, blank=True, null=True)
    slug = models.SlugField(unique=True)

class Congregation(models.Model):
    cong_name = models.CharField(max_length=255, blank=True, null=True)
    meeting_time = models.CharField(max_length=255, blank=True, null=True)
    cong_address = models.TextField(blank=True, null=True)
    cong_phone = models.CharField(max_length=255, blank=True, null=True)
    slug = models.SlugField(unique=True)

这是我的views.py:

from django.contrib.auth.decorators import login_required
from django.http import Http404
from django.shortcuts import render, render_to_response, redirect
from django.template import RequestContext
from profiles.forms import ProfileForm, TalkForm, CongForm
from profiles.models import Profile, Talk, Congregation
from django.template.defaultfilters import slugify

def index(request):
    ids = Profile.objects.all()
    return render(request, 'index.html',{'ids': ids,})

def about(request):

    return render(request, 'about.html',)

def contact(request):

    return render(request, 'contact.html',)

def profile_detail(request, slug):
    #grab the object...
    profile=Profile.objects.get(slug=slug)
    #and pass to the template
    return render(request,'ids/profile_detail.html', {
        'profile': profile,
    })

@login_required
def edit_profile(request, slug):
    profile = Profile.objects.get(slug=slug)
    if profile.user != request.user:
        raise Http404

    form_class = ProfileForm

    if request.method == 'POST':
        form = form_class(data=request.POST, instance=profile)
        if form.is_valid():
            form.save()
            return redirect('profile_detail', slug=profile.slug)
    else:
        form = form_class(instance=profile)
    return render(request, 'ids/edit_profile.html', {'profile': profile, 'form': form, })

def create_profile(request):
    form_class = ProfileForm

    if request.method == 'POST':
        form=form_class(request.POST)
        if form.is_valid():
            profile=form.save(commit=False)
            profile.user = request.user
            profile.slug = slugify(profile.name)
            profile.save()
            slug = slugify(name)
        return redirect('profile_detail', slug=profile.slug)
    else:
        form=form_class()
    return render(request, 'ids/create_profile.html', {'form': form,})

def browse_by_name(request, initial=None):
    if initial:
        ids = Profile.objects.filter(name__istartswith=initial).order_by('name')
    else:
        ids = Profile.objects.all().order_by('name')

    return render_to_response('search/search.html', {'ids': ids, 'initial': initial,}, context_instance=RequestContext(request))

def talk_detail(request, slug):
    #grab the object...
    talk=Talk.objects.get(slug=slug)
    #and pass to the template
    return render(request,'ids/talk_detail.html', {
        'talk': talk,
    })

@login_required
def edit_talk(request, slug):
    talk = Talk.objects.get(slug=slug)
    if profile.user != request.user:
        raise Http404

    form_class = TalkForm

    if request.method == 'POST':
        form = form_class(data=request.POST, instance=talk)
        if form.is_valid():
            form.save()
            return redirect('talk_detail', slug=slug.slug)
    else:
        form = form_class(instance=talk)
    return render(request, 'ids/edit_talk.html', {'talk': talk, 'form': form,   })

def create_talk(request):
    form_class = TalkForm

    if request.method == 'POST':
        form=form_class(request.POST)
        if form.is_valid():
            talk=form.save(commit=False)
            profile.user = request.user
            talk.slug = slugify(talk.talk_no)
            talk.save()
            slug = slugify(talk_no)
        return redirect('talk_detail', slug=talk.slug)
    else:
        form=form_class()
    return render(request, 'ids/create_talk.html', {'form': form,})

def cong_detail(request, slug):
    #grab the object...
    cong=Congregation.objects.get(slug=slug)
    #and pass to the template
    return render(request,'ids/cong_detail.html', {
        'cong': cong,
    })

@login_required
def edit_cong(request, slug):
    cong = Congregation.objects.get(slug=slug)
    if profile.user != request.user:
        raise Http404

    form_class = CongForm

    if request.method == 'POST':
        form = form_class(data=request.POST, instance=cong)
        if form.is_valid():
            form.save()
            return redirect('cong_detail', slug=cong.slug)
    else:
        form = form_class(instance=cong)
    return render(request, 'ids/edit_cong.html', {'cong': cong, 'form': form, })

def create_cong(request):
    form_class = CongForm

    if request.method == 'POST':
        form=form_class(request.POST)
        if form.is_valid():
            cong=form.save(commit=False)
            profile.user = request.user
            cong.slug = slugify(cong.cong_name)
            cong.save()
            slug = slugify(cong_name)
        return redirect('cong_detail', slug=cong.slug)
    else:
        form=form_class()
    return render(request, 'ids/create_cong.html', {'form': form,})

这是我的url.py

from django.contrib import admin
from profiles.backends import MyRegistrationView
from django.conf.urls import patterns, include, url
from django.contrib import admin
from django.views.generic import TemplateView, RedirectView
from django.contrib.auth.views import password_reset, password_reset_done,  password_reset_confirm, password_reset_complete

urlpatterns = patterns('',
    url(r'^$', 'profiles.views.index', name='home'),
    url(r'^about/$', TemplateView.as_view(template_name='about.html'), name='about'),
    url(r'^contact/$', TemplateView.as_view(template_name='contact.html'), name='contact'),

    url(r'^ids/$', RedirectView.as_view(pattern_name='browse')),
    url(r'^ids/(?P<slug>[-\w]+)/$', 'profiles.views.profile_detail', name='profile_detail'),
    url(r'^ids/(?P<slug>[-\w]+)/edit/$', 'profiles.views.edit_profile', name='edit_profile'),

    url(r'^ids/(?P<slug>[-\w]+)/$', 'profiles.views.talk_detail', name='talk_detail'),
    url(r'^ids/(?P<slug>[-\w]+)/edit/$', 'profiles.views.edit_talk', name='edit_talk'),

    url(r'^ids/(?P<slug>[-\w]+)/$', 'profiles.views.cong_detail', name='cong_detail'),
    url(r'^ids/(?P<slug>[-\w]+)/edit/$', 'profiles.views.edit_cong', name='edit_cong'),

    url(r'^browse/$', RedirectView.as_view(pattern_name='browse')),
    url(r'^browse/name/$','profiles.views.browse_by_name', name='browse'),
    url(r'^browse/name/(?P<initial>[-\w]+)/$', 'profiles.views.browse_by_name', name='browse_by_name'),

    url(r'^accounts/password/reset/$', password_reset, 
    {'template_name': 'registration/password_reset_form.html'}, 
    name="password_reset"),
    url(r'^accounts/password/reset/done/$', 
    password_reset_done, 
    {'template_name': 'registration/password_reset_done.html'}, 
    name="password_reset_done"),
    url(r'^accounts/password/reset/(?P<uidb64>[0-9A-Za-z_\-]+)/(?P<token>[0-9A-Za-z]{1,13}-[0-9A-Za-z]{1,20})/$',
    password_reset_confirm, 
    {'template_name': 'registration/password_reset_confirm.html'}, 
    name="password_reset_confirm"),
    url(r'^accounts/password/done/$', password_reset_complete,
    {'template_name': 'registration/password_reset_complete.html'},
    name="password_reset_complete"),

    url(r'^accounts/register/$', MyRegistrationView.as_view(), name='registration_register'),
    url(r'^accounts/create_profile/$', 'profiles.views.create_profile', name='registration_create_profile'),
    url(r'^accounts/create_talk/$', 'profiles.views.create_talk', name='registration_create_talk'),
    url(r'^accounts/create_cong/$', 'profiles.views.create_cong', name='registration_create_cong'),

    url(r'^accounts/', include('registration.backends.default.urls')),
    url(r'^admin/', include(admin.site.urls)),
)

不知道我是否给了太多或太少的信息，但作为一个新手，我不知道错误意味着什么或什么信息，你可能需要找出它！
提前感谢您帮助解决这个问题，并耐心地查看我所有糟糕的代码！：-s