带序列化程序的 Django REST Framework CurrentUserDefault()
Django REST Framework CurrentUserDefault() with serializer
我一直在尝试将 'owner' 字段添加到我的模型中。我看过其他问题，但我仍然没有运气。理想情况下，当创建新笔记时，当前用户将设置在所有者字段中并且不可更改。
据我所知，以下是我的模型、序列化器和注释视图。我猜 CurrentUserDefault() 函数需要额外的上下文，但我无法正确设置它。
views.py
class NoteListCreateView(ListCreateAPIView):
authentication_classes = (SessionAuthentication, TokenAuthentication)
permission_classes = (DjangoModelPermissions,)
lookup_field = 'pk'
serializer_class = serializers.NoteSummarySerializer
def get_queryset(self):
qs = Note.objects.all()
# general search
query = self.request.GET.get('search')
if query is not None:
qs = qs.filter(
Q(title__icontains=query) |
Q(content__icontains=query)
).distinct()
# title search
query = self.request.GET.get('title')
if query is not None:
qs = qs.filter(title__icontains=query)
# content search
query = self.request.GET.get('content')
if query is not None:
qs = qs.filter(content__icontains=query)
return qs
serializers.py
class NoteSummarySerializer(serializers.ModelSerializer):
owner = serializers.PrimaryKeyRelatedField(default=serializers.CurrentUserDefault(), read_only=True)
class Meta:
model = Note
fields = (
'pk',
'title',
'containerId',
'created',
'updated',
'owner',
)
models.py
class Base(models.Model):
title = models.CharField(max_length=30)
created = models.DateTimeField(auto_now_add=True)
updated = models.DateTimeField(auto_now=True)
owner = models.ForeignKey(get_user_model(), on_delete=models.CASCADE)
class Meta:
abstract = True
ordering = ['title', '-updated']
class Note(Base):
containerId = models.ForeignKey(Folder, related_name='notes', on_delete=models.CASCADE, null=True)
content = models.TextField()
class Meta:
db_table = 'marknote_notes'
当我尝试 post 新笔记时，出现以下错误：
IntegrityError at /marknote/note
NOT NULL constraint failed: marknote_notes.owner_id
Request Method: POST
Request URL: http://localhost:8000/marknote/note
Django Version: 2.1
Python Executable: /Users/sheldonwoodward/.local/share/virtualenvs/marknote-1Se4K7YM/bin/python
Python Version: 3.7.0
Python Path: ['/Users/sheldonwoodward/Developer/projects/marknote', '/Users/sheldonwoodward/.local/share/virtualenvs/marknote-1Se4K7YM/lib/python37.zip', '/Users/sheldonwoodward/.local/share/virtualenvs/marknote-1Se4K7YM/lib/python3.7', '/Users/sheldonwoodward/.local/share/virtualenvs/marknote-1Se4K7YM/lib/python3.7/lib-dynload', '/usr/local/Cellar/python/3.7.0/Frameworks/Python.framework/Versions/3.7/lib/python3.7', '/Users/sheldonwoodward/.local/share/virtualenvs/marknote-1Se4K7YM/lib/python3.7/site-packages']
Server time: Tue, 21 Aug 2018 02:57:59 +0000
Installed Applications:
['django.contrib.admin',
'django.contrib.auth',
'django.contrib.contenttypes',
'django.contrib.sessions',
'django.contrib.messages',
'django.contrib.staticfiles',
'rest_framework',
'rest_framework.authtoken',
'marknote']
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 "/Users/sheldonwoodward/.local/share/virtualenvs/marknote-1Se4K7YM/lib/python3.7/site-packages/django/db/backends/utils.py" in _execute
85. return self.cursor.execute(sql, params)
File "/Users/sheldonwoodward/.local/share/virtualenvs/marknote-1Se4K7YM/lib/python3.7/site-packages/django/db/backends/sqlite3/base.py" in execute
296. return Database.Cursor.execute(self, query, params)
The above exception (NOT NULL constraint failed: marknote_notes.owner_id) was the direct cause of the following exception:
File "/Users/sheldonwoodward/.local/share/virtualenvs/marknote-1Se4K7YM/lib/python3.7/site-packages/django/core/handlers/exception.py" in inner
34. response = get_response(request)
File "/Users/sheldonwoodward/.local/share/virtualenvs/marknote-1Se4K7YM/lib/python3.7/site-packages/django/core/handlers/base.py" in _get_response
126. response = self.process_exception_by_middleware(e, request)
File "/Users/sheldonwoodward/.local/share/virtualenvs/marknote-1Se4K7YM/lib/python3.7/site-packages/django/core/handlers/base.py" in _get_response
124. response = wrapped_callback(request, *callback_args, **callback_kwargs)
File "/Users/sheldonwoodward/.local/share/virtualenvs/marknote-1Se4K7YM/lib/python3.7/site-packages/django/views/decorators/csrf.py" in wrapped_view
54. return view_func(*args, **kwargs)
File "/Users/sheldonwoodward/.local/share/virtualenvs/marknote-1Se4K7YM/lib/python3.7/site-packages/django/views/generic/base.py" in view
68. return self.dispatch(request, *args, **kwargs)
File "/Users/sheldonwoodward/.local/share/virtualenvs/marknote-1Se4K7YM/lib/python3.7/site-packages/rest_framework/views.py" in dispatch
483. response = self.handle_exception(exc)
File "/Users/sheldonwoodward/.local/share/virtualenvs/marknote-1Se4K7YM/lib/python3.7/site-packages/rest_framework/views.py" in handle_exception
443. self.raise_uncaught_exception(exc)
File "/Users/sheldonwoodward/.local/share/virtualenvs/marknote-1Se4K7YM/lib/python3.7/site-packages/rest_framework/views.py" in dispatch
480. response = handler(request, *args, **kwargs)
File "/Users/sheldonwoodward/.local/share/virtualenvs/marknote-1Se4K7YM/lib/python3.7/site-packages/rest_framework/generics.py" in post
244. return self.create(request, *args, **kwargs)
File "/Users/sheldonwoodward/.local/share/virtualenvs/marknote-1Se4K7YM/lib/python3.7/site-packages/rest_framework/mixins.py" in create
21. self.perform_create(serializer)
File "/Users/sheldonwoodward/.local/share/virtualenvs/marknote-1Se4K7YM/lib/python3.7/site-packages/rest_framework/mixins.py" in perform_create
26. serializer.save()
File "/Users/sheldonwoodward/.local/share/virtualenvs/marknote-1Se4K7YM/lib/python3.7/site-packages/rest_framework/serializers.py" in save
214. self.instance = self.create(validated_data)
File "/Users/sheldonwoodward/.local/share/virtualenvs/marknote-1Se4K7YM/lib/python3.7/site-packages/rest_framework/serializers.py" in create
940. instance = ModelClass.objects.create(**validated_data)
File "/Users/sheldonwoodward/.local/share/virtualenvs/marknote-1Se4K7YM/lib/python3.7/site-packages/django/db/models/manager.py" in manager_method
82. return getattr(self.get_queryset(), name)(*args, **kwargs)
File "/Users/sheldonwoodward/.local/share/virtualenvs/marknote-1Se4K7YM/lib/python3.7/site-packages/django/db/models/query.py" in create
413. obj.save(force_insert=True, using=self.db)
File "/Users/sheldonwoodward/.local/share/virtualenvs/marknote-1Se4K7YM/lib/python3.7/site-packages/django/db/models/base.py" in save
717. force_update=force_update, update_fields=update_fields)
File "/Users/sheldonwoodward/.local/share/virtualenvs/marknote-1Se4K7YM/lib/python3.7/site-packages/django/db/models/base.py" in save_base
747. updated = self._save_table(raw, cls, force_insert, force_update, using, update_fields)
File "/Users/sheldonwoodward/.local/share/virtualenvs/marknote-1Se4K7YM/lib/python3.7/site-packages/django/db/models/base.py" in _save_table
830. result = self._do_insert(cls._base_manager, using, fields, update_pk, raw)
File "/Users/sheldonwoodward/.local/share/virtualenvs/marknote-1Se4K7YM/lib/python3.7/site-packages/django/db/models/base.py" in _do_insert
868. using=using, raw=raw)
File "/Users/sheldonwoodward/.local/share/virtualenvs/marknote-1Se4K7YM/lib/python3.7/site-packages/django/db/models/manager.py" in manager_method
82. return getattr(self.get_queryset(), name)(*args, **kwargs)
File "/Users/sheldonwoodward/.local/share/virtualenvs/marknote-1Se4K7YM/lib/python3.7/site-packages/django/db/models/query.py" in _insert
1133. return query.get_compiler(using=using).execute_sql(return_id)
File "/Users/sheldonwoodward/.local/share/virtualenvs/marknote-1Se4K7YM/lib/python3.7/site-packages/django/db/models/sql/compiler.py" in execute_sql
1285. cursor.execute(sql, params)
File "/Users/sheldonwoodward/.local/share/virtualenvs/marknote-1Se4K7YM/lib/python3.7/site-packages/django/db/backends/utils.py" in execute
100. return super().execute(sql, params)
File "/Users/sheldonwoodward/.local/share/virtualenvs/marknote-1Se4K7YM/lib/python3.7/site-packages/django/db/backends/utils.py" in execute
68. return self._execute_with_wrappers(sql, params, many=False, executor=self._execute)
File "/Users/sheldonwoodward/.local/share/virtualenvs/marknote-1Se4K7YM/lib/python3.7/site-packages/django/db/backends/utils.py" in _execute_with_wrappers
77. return executor(sql, params, many, context)
File "/Users/sheldonwoodward/.local/share/virtualenvs/marknote-1Se4K7YM/lib/python3.7/site-packages/django/db/backends/utils.py" in _execute
85. return self.cursor.execute(sql, params)
File "/Users/sheldonwoodward/.local/share/virtualenvs/marknote-1Se4K7YM/lib/python3.7/site-packages/django/db/utils.py" in __exit__
89. raise dj_exc_value.with_traceback(traceback) from exc_value
File "/Users/sheldonwoodward/.local/share/virtualenvs/marknote-1Se4K7YM/lib/python3.7/site-packages/django/db/backends/utils.py" in _execute
85. return self.cursor.execute(sql, params)
File "/Users/sheldonwoodward/.local/share/virtualenvs/marknote-1Se4K7YM/lib/python3.7/site-packages/django/db/backends/sqlite3/base.py" in execute
296. return Database.Cursor.execute(self, query, params)
Exception Type: IntegrityError at /marknote/note
Exception Value: NOT NULL constraint failed: marknote_notes.owner_id
Request information:
USER: sheldonwoodward
GET: No GET data
POST:
title = 'Test 1'
content = 'Test 1'
FILES: No FILES data
COOKIES: No cookie data
META:
Apple_PubSub_Socket_Render = '/private/tmp/com.apple.launchd.Ub5WC3uGKI/Render'
CLICOLOR = '1'
COLORFGBG = '15;0'
COLORTERM = 'truecolor'
CONTENT_LENGTH = '278'
CONTENT_TYPE = 'multipart/form-data; boundary=--------------------------010663819168948174069971'
DJANGO_SETTINGS_MODULE = 'django_server.settings'
GATEWAY_INTERFACE = 'CGI/1.1'
HOME = '/Users/sheldonwoodward'
HTTP_ACCEPT = '*/*'
HTTP_ACCEPT_ENCODING = 'gzip, deflate'
HTTP_AUTHORIZATION = 'Token f093f174c4e5df0e1ea2c0ed96b06e15ff210070'
HTTP_CACHE_CONTROL = 'no-cache'
HTTP_CONNECTION = 'keep-alive'
HTTP_HOST = 'localhost:8000'
HTTP_POSTMAN_TOKEN = '1a299d28-3fe5-4b44-afb0-bfaf812f450f'
HTTP_USER_AGENT = 'PostmanRuntime/7.2.0'
ITERM_PROFILE = 'Sheldon'
ITERM_SESSION_ID = 'w1t0p0:DEBAC83E-F158-4352-B9F7-A2E992591FAC'
LANG = 'en_US.UTF-8'
LOGNAME = 'sheldonwoodward'
LSCOLORS = 'GxBxhxDxfxhxhxhxhxcxcx'
PATH = '/Users/sheldonwoodward/.local/share/virtualenvs/marknote-1Se4K7YM/bin:/usr/local/Cellar/pipenv/2018.7.1/libexec/tools:/Applications/MAMP PRO/Library/bin/:/Applications/MAMP/Library/bin/:/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin:/Users/sheldonwoodward/.javacc-6.0/bin:/usr/local/opt/sqlite/bin:/Users/sheldonwoodward/.composer/vendor/bin'
PATH_INFO = '/marknote/note'
PIP_PYTHON_PATH = '/usr/local/Cellar/pipenv/2018.7.1/libexec/bin/python3.7'
PWD = '/Users/sheldonwoodward/Developer/projects/marknote'
PYTHONDONTWRITEBYTECODE = '1'
QUERY_STRING = ''
REMOTE_ADDR = '127.0.0.1'
REMOTE_HOST = ''
REQUEST_METHOD = 'POST'
RUN_MAIN = 'true'
SCRIPT_NAME = ''
SERVER_NAME = '1.0.0.127.in-addr.arpa'
SERVER_PORT = '8000'
SERVER_PROTOCOL = 'HTTP/1.1'
SERVER_SOFTWARE = 'WSGIServer/0.2'
SHELL = '/bin/bash'
SHLVL = '1'
SSH_AUTH_SOCK = '/private/tmp/com.apple.launchd.slrqyEZVoL/Listeners'
TERM = 'xterm-256color'
TERM_PROGRAM = 'iTerm.app'
TERM_PROGRAM_VERSION = '3.1.6'
TERM_SESSION_ID = 'w1t0p0:DEBAC83E-F158-4352-B9F7-A2E992591FAC'
TMPDIR = '/var/folders/kh/c1hbp5r97b9fbwqny9rr7cym0000gp/T/'
TZ = 'UTC'
USER = 'sheldonwoodward'
XPC_FLAGS = '0x0'
XPC_SERVICE_NAME = '0'
_ = '/usr/local/bin/pipenv'
__CF_USER_TEXT_ENCODING = '0x1F6:0x0:0x0'
wsgi.errors = <_io.TextIOWrapper name='<stderr>' mode='w' encoding='UTF-8'>
wsgi.file_wrapper = ''
wsgi.input = <_io.BufferedReader name=5>
wsgi.multiprocess = False
wsgi.multithread = True
wsgi.run_once = False
wsgi.url_scheme = 'http'
wsgi.version = '(1, 0)'
Settings:
Using settings module django_server.settings
ABSOLUTE_URL_OVERRIDES = {}
ADMINS = []
ALLOWED_HOSTS = []
APPEND_SLASH = True
AUTHENTICATION_BACKENDS = ['django.contrib.auth.backends.ModelBackend']
AUTH_PASSWORD_VALIDATORS = '********************'
AUTH_USER_MODEL = 'auth.User'
BASE_DIR = '/Users/sheldonwoodward/Developer/projects/marknote'
CACHES = {'default': {'BACKEND': 'django.core.cache.backends.locmem.LocMemCache'}}
CACHE_MIDDLEWARE_ALIAS = 'default'
CACHE_MIDDLEWARE_KEY_PREFIX = '********************'
CACHE_MIDDLEWARE_SECONDS = 600
CSRF_COOKIE_AGE = 31449600
CSRF_COOKIE_DOMAIN = None
CSRF_COOKIE_HTTPONLY = False
CSRF_COOKIE_NAME = 'csrftoken'
CSRF_COOKIE_PATH = '/'
CSRF_COOKIE_SAMESITE = 'Lax'
CSRF_COOKIE_SECURE = False
CSRF_FAILURE_VIEW = 'django.views.csrf.csrf_failure'
CSRF_HEADER_NAME = 'HTTP_X_CSRFTOKEN'
CSRF_TRUSTED_ORIGINS = []
CSRF_USE_SESSIONS = False
DATABASES = {'default': {'ENGINE': 'django.db.backends.sqlite3', 'NAME': '/Users/sheldonwoodward/Developer/projects/marknote/db.sqlite3', 'ATOMIC_REQUESTS': False, 'AUTOCOMMIT': True, 'CONN_MAX_AGE': 0, 'OPTIONS': {}, 'TIME_ZONE': None, 'USER': '', 'PASSWORD': '********************', 'HOST': '', 'PORT': '', 'TEST': {'CHARSET': None, 'COLLATION': None, 'NAME': None, 'MIRROR': None}}}
DATABASE_ROUTERS = []
DATA_UPLOAD_MAX_MEMORY_SIZE = 2621440
DATA_UPLOAD_MAX_NUMBER_FIELDS = 1000
DATETIME_FORMAT = 'N j, Y, P'
DATETIME_INPUT_FORMATS = ['%Y-%m-%d %H:%M:%S', '%Y-%m-%d %H:%M:%S.%f', '%Y-%m-%d %H:%M', '%Y-%m-%d', '%m/%d/%Y %H:%M:%S', '%m/%d/%Y %H:%M:%S.%f', '%m/%d/%Y %H:%M', '%m/%d/%Y', '%m/%d/%y %H:%M:%S', '%m/%d/%y %H:%M:%S.%f', '%m/%d/%y %H:%M', '%m/%d/%y']
DATE_FORMAT = 'N j, Y'
DATE_INPUT_FORMATS = ['%Y-%m-%d', '%m/%d/%Y', '%m/%d/%y', '%b %d %Y', '%b %d, %Y', '%d %b %Y', '%d %b, %Y', '%B %d %Y', '%B %d, %Y', '%d %B %Y', '%d %B, %Y']
DEBUG = True
DEBUG_PROPAGATE_EXCEPTIONS = False
DECIMAL_SEPARATOR = '.'
DEFAULT_CHARSET = 'utf-8'
DEFAULT_CONTENT_TYPE = 'text/html'
DEFAULT_EXCEPTION_REPORTER_FILTER = 'django.views.debug.SafeExceptionReporterFilter'
DEFAULT_FILE_STORAGE = 'django.core.files.storage.FileSystemStorage'
DEFAULT_FROM_EMAIL = 'webmaster@localhost'
DEFAULT_INDEX_TABLESPACE = ''
DEFAULT_TABLESPACE = ''
DISALLOWED_USER_AGENTS = []
EMAIL_BACKEND = 'django.core.mail.backends.smtp.EmailBackend'
EMAIL_HOST = 'localhost'
EMAIL_HOST_PASSWORD = '********************'
EMAIL_HOST_USER = ''
EMAIL_PORT = 25
EMAIL_SSL_CERTFILE = None
EMAIL_SSL_KEYFILE = '********************'
EMAIL_SUBJECT_PREFIX = '[Django] '
EMAIL_TIMEOUT = None
EMAIL_USE_LOCALTIME = False
EMAIL_USE_SSL = False
EMAIL_USE_TLS = False
FILE_CHARSET = 'utf-8'
FILE_UPLOAD_DIRECTORY_PERMISSIONS = None
FILE_UPLOAD_HANDLERS = ['django.core.files.uploadhandler.MemoryFileUploadHandler', 'django.core.files.uploadhandler.TemporaryFileUploadHandler']
FILE_UPLOAD_MAX_MEMORY_SIZE = 2621440
FILE_UPLOAD_PERMISSIONS = None
FILE_UPLOAD_TEMP_DIR = None
FIRST_DAY_OF_WEEK = 0
FIXTURE_DIRS = []
FORCE_SCRIPT_NAME = None
FORMAT_MODULE_PATH = None
FORM_RENDERER = 'django.forms.renderers.DjangoTemplates'
IGNORABLE_404_URLS = []
INSTALLED_APPS = ['django.contrib.admin', 'django.contrib.auth', 'django.contrib.contenttypes', 'django.contrib.sessions', 'django.contrib.messages', 'django.contrib.staticfiles', 'rest_framework', 'rest_framework.authtoken', 'marknote']
INTERNAL_IPS = []
LANGUAGES = [('af', 'Afrikaans'), ('ar', 'Arabic'), ('ast', 'Asturian'), ('az', 'Azerbaijani'), ('bg', 'Bulgarian'), ('be', 'Belarusian'), ('bn', 'Bengali'), ('br', 'Breton'), ('bs', 'Bosnian'), ('ca', 'Catalan'), ('cs', 'Czech'), ('cy', 'Welsh'), ('da', 'Danish'), ('de', 'German'), ('dsb', 'Lower Sorbian'), ('el', 'Greek'), ('en', 'English'), ('en-au', 'Australian English'), ('en-gb', 'British English'), ('eo', 'Esperanto'), ('es', 'Spanish'), ('es-ar', 'Argentinian Spanish'), ('es-co', 'Colombian Spanish'), ('es-mx', 'Mexican Spanish'), ('es-ni', 'Nicaraguan Spanish'), ('es-ve', 'Venezuelan Spanish'), ('et', 'Estonian'), ('eu', 'Basque'), ('fa', 'Persian'), ('fi', 'Finnish'), ('fr', 'French'), ('fy', 'Frisian'), ('ga', 'Irish'), ('gd', 'Scottish Gaelic'), ('gl', 'Galician'), ('he', 'Hebrew'), ('hi', 'Hindi'), ('hr', 'Croatian'), ('hsb', 'Upper Sorbian'), ('hu', 'Hungarian'), ('ia', 'Interlingua'), ('id', 'Indonesian'), ('io', 'Ido'), ('is', 'Icelandic'), ('it', 'Italian'), ('ja', 'Japanese'), ('ka', 'Georgian'), ('kab', 'Kabyle'), ('kk', 'Kazakh'), ('km', 'Khmer'), ('kn', 'Kannada'), ('ko', 'Korean'), ('lb', 'Luxembourgish'), ('lt', 'Lithuanian'), ('lv', 'Latvian'), ('mk', 'Macedonian'), ('ml', 'Malayalam'), ('mn', 'Mongolian'), ('mr', 'Marathi'), ('my', 'Burmese'), ('nb', 'Norwegian Bokmål'), ('ne', 'Nepali'), ('nl', 'Dutch'), ('nn', 'Norwegian Nynorsk'), ('os', 'Ossetic'), ('pa', 'Punjabi'), ('pl', 'Polish'), ('pt', 'Portuguese'), ('pt-br', 'Brazilian Portuguese'), ('ro', 'Romanian'), ('ru', 'Russian'), ('sk', 'Slovak'), ('sl', 'Slovenian'), ('sq', 'Albanian'), ('sr', 'Serbian'), ('sr-latn', 'Serbian Latin'), ('sv', 'Swedish'), ('sw', 'Swahili'), ('ta', 'Tamil'), ('te', 'Telugu'), ('th', 'Thai'), ('tr', 'Turkish'), ('tt', 'Tatar'), ('udm', 'Udmurt'), ('uk', 'Ukrainian'), ('ur', 'Urdu'), ('vi', 'Vietnamese'), ('zh-hans', 'Simplified Chinese'), ('zh-hant', 'Traditional Chinese')]
LANGUAGES_BIDI = ['he', 'ar', 'fa', 'ur']
LANGUAGE_CODE = 'en-us'
LANGUAGE_COOKIE_AGE = None
LANGUAGE_COOKIE_DOMAIN = None
LANGUAGE_COOKIE_NAME = 'django_language'
LANGUAGE_COOKIE_PATH = '/'
LOCALE_PATHS = []
LOGGING = {}
LOGGING_CONFIG = 'logging.config.dictConfig'
LOGIN_REDIRECT_URL = '/accounts/profile/'
LOGIN_URL = '/accounts/login/'
LOGOUT_REDIRECT_URL = None
MANAGERS = []
MEDIA_ROOT = ''
MEDIA_URL = ''
MESSAGE_STORAGE = 'django.contrib.messages.storage.fallback.FallbackStorage'
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']
MIGRATION_MODULES = {}
MONTH_DAY_FORMAT = 'F j'
NUMBER_GROUPING = 0
PASSWORD_HASHERS = '********************'
PASSWORD_RESET_TIMEOUT_DAYS = '********************'
PREPEND_WWW = False
ROOT_URLCONF = 'django_server.urls'
SECRET_KEY = '********************'
SECURE_BROWSER_XSS_FILTER = False
SECURE_CONTENT_TYPE_NOSNIFF = False
SECURE_HSTS_INCLUDE_SUBDOMAINS = False
SECURE_HSTS_PRELOAD = False
SECURE_HSTS_SECONDS = 0
SECURE_PROXY_SSL_HEADER = None
SECURE_REDIRECT_EXEMPT = []
SECURE_SSL_HOST = None
SECURE_SSL_REDIRECT = False
SERVER_EMAIL = 'root@localhost'
SESSION_CACHE_ALIAS = 'default'
SESSION_COOKIE_AGE = 1209600
SESSION_COOKIE_DOMAIN = None
SESSION_COOKIE_HTTPONLY = True
SESSION_COOKIE_NAME = 'sessionid'
SESSION_COOKIE_PATH = '/'
SESSION_COOKIE_SAMESITE = 'Lax'
SESSION_COOKIE_SECURE = False
SESSION_ENGINE = 'django.contrib.sessions.backends.db'
SESSION_EXPIRE_AT_BROWSER_CLOSE = False
SESSION_FILE_PATH = None
SESSION_SAVE_EVERY_REQUEST = False
SESSION_SERIALIZER = 'django.contrib.sessions.serializers.JSONSerializer'
SETTINGS_MODULE = 'django_server.settings'
SHORT_DATETIME_FORMAT = 'm/d/Y P'
SHORT_DATE_FORMAT = 'm/d/Y'
SIGNING_BACKEND = 'django.core.signing.TimestampSigner'
SILENCED_SYSTEM_CHECKS = []
STATICFILES_DIRS = []
STATICFILES_FINDERS = ['django.contrib.staticfiles.finders.FileSystemFinder', 'django.contrib.staticfiles.finders.AppDirectoriesFinder']
STATICFILES_STORAGE = 'django.contrib.staticfiles.storage.StaticFilesStorage'
STATIC_ROOT = None
STATIC_URL = '/static/'
TEMPLATES = [{'BACKEND': 'django.template.backends.django.DjangoTemplates', 'DIRS': [], 'APP_DIRS': True, 'OPTIONS': {'context_processors': ['django.template.context_processors.debug', 'django.template.context_processors.request', 'django.contrib.auth.context_processors.auth', 'django.contrib.messages.context_processors.messages']}}]
TEST_NON_SERIALIZED_APPS = []
TEST_RUNNER = 'django.test.runner.DiscoverRunner'
THOUSAND_SEPARATOR = ','
TIME_FORMAT = 'P'
TIME_INPUT_FORMATS = ['%H:%M:%S', '%H:%M:%S.%f', '%H:%M']
TIME_ZONE = 'UTC'
USE_I18N = True
USE_L10N = True
USE_THOUSAND_SEPARATOR = False
USE_TZ = True
USE_X_FORWARDED_HOST = False
USE_X_FORWARDED_PORT = False
WSGI_APPLICATION = 'django_server.wsgi.application'
X_FRAME_OPTIONS = 'SAMEORIGIN'
YEAR_MONTH_FORMAT = 'F Y'
You're seeing this error because you have DEBUG = True in your
Django settings file. Change that to False, and Django will
display a standard page generated by the handler for this status code.
如有任何帮助，我们将不胜感激。
对于这种情况，我有一个干净的例程，我会解释一下。首先，CurrentUserDefault 没有做 something magical，它只是 returning 我们之前给序列化程序的 request 的用户（通用视图将请求传递给通过调用 get_serializer 的序列化器，因为你使用的是泛型，所以你做得很好）。
但出于我们的目的，我们将编写一个新的自定义 CurrentUserDefault，它将 return 用户的 ID：
class CurrentUserDefault(object):
def set_context(self, serializer_field):
self.user_id = serializer_field.context['request'].user.id
def __call__(self):
return self.user_id
def __repr__(self):
return unicode_to_repr('%s()' % self.__class__.__name__)
现在我们将使用此 CurrentUserDefault 并填充 NoteSummarySerializer 的 owner_id 字段，我建议您使用 serializers.HiddenField，因为根据 drf 文档：
A field class that does not take a value based on user input, but instead takes its value from a default value or callable.
This field will be present in validated_data but will not be used in the serializer output representation.
所以它只从 default or callable 获取它的值，所以它不是 Changeable 用户输入的，它也不会在序列化器输出表示中使用。看起来不错吧？
我们只是将这个字段添加到序列化程序中：
class NoteSummarySerializer(serializers.ModelSerializer):
owner_id = serializers.HiddenField(default=CurrentUserDefault())
class Meta:
model = Note
fields = (
'pk',
'title',
'containerId',
'created',
'updated',
'owner_id', ### dont forget to add it to the fields.
)
然后是最后一步，因为我们使用 owner_id 来填充所有者，所以名称 owner 可用于其他用途。在这种情况下，我认为将其设为 CharField 并将 owner.username （或任何您想要的）赋给其 source 并使其 readonly 为真，
所以我们的序列化程序最终会像：
class NoteSummarySerializer(serializers.ModelSerializer):
owner_id = serializers.HiddenField(default=CurrentUserDefault())
owner = serializers.CharField(source='owner.username', read_only=True)
class Meta:
model = Note
fields = (
'pk',
'title',
'containerId',
'created',
'updated',
'owner_id',
'owner'
)
我一直在尝试将 'owner' 字段添加到我的模型中。我看过其他问题，但我仍然没有运气。理想情况下，当创建新笔记时，当前用户将设置在所有者字段中并且不可更改。
据我所知，以下是我的模型、序列化器和注释视图。我猜 CurrentUserDefault() 函数需要额外的上下文，但我无法正确设置它。
views.py
class NoteListCreateView(ListCreateAPIView):
authentication_classes = (SessionAuthentication, TokenAuthentication)
permission_classes = (DjangoModelPermissions,)
lookup_field = 'pk'
serializer_class = serializers.NoteSummarySerializer
def get_queryset(self):
qs = Note.objects.all()
# general search
query = self.request.GET.get('search')
if query is not None:
qs = qs.filter(
Q(title__icontains=query) |
Q(content__icontains=query)
).distinct()
# title search
query = self.request.GET.get('title')
if query is not None:
qs = qs.filter(title__icontains=query)
# content search
query = self.request.GET.get('content')
if query is not None:
qs = qs.filter(content__icontains=query)
return qs
serializers.py
class NoteSummarySerializer(serializers.ModelSerializer):
owner = serializers.PrimaryKeyRelatedField(default=serializers.CurrentUserDefault(), read_only=True)
class Meta:
model = Note
fields = (
'pk',
'title',
'containerId',
'created',
'updated',
'owner',
)
models.py
class Base(models.Model):
title = models.CharField(max_length=30)
created = models.DateTimeField(auto_now_add=True)
updated = models.DateTimeField(auto_now=True)
owner = models.ForeignKey(get_user_model(), on_delete=models.CASCADE)
class Meta:
abstract = True
ordering = ['title', '-updated']
class Note(Base):
containerId = models.ForeignKey(Folder, related_name='notes', on_delete=models.CASCADE, null=True)
content = models.TextField()
class Meta:
db_table = 'marknote_notes'
当我尝试 post 新笔记时，出现以下错误：
IntegrityError at /marknote/note
NOT NULL constraint failed: marknote_notes.owner_id
Request Method: POST
Request URL: http://localhost:8000/marknote/note
Django Version: 2.1
Python Executable: /Users/sheldonwoodward/.local/share/virtualenvs/marknote-1Se4K7YM/bin/python
Python Version: 3.7.0
Python Path: ['/Users/sheldonwoodward/Developer/projects/marknote', '/Users/sheldonwoodward/.local/share/virtualenvs/marknote-1Se4K7YM/lib/python37.zip', '/Users/sheldonwoodward/.local/share/virtualenvs/marknote-1Se4K7YM/lib/python3.7', '/Users/sheldonwoodward/.local/share/virtualenvs/marknote-1Se4K7YM/lib/python3.7/lib-dynload', '/usr/local/Cellar/python/3.7.0/Frameworks/Python.framework/Versions/3.7/lib/python3.7', '/Users/sheldonwoodward/.local/share/virtualenvs/marknote-1Se4K7YM/lib/python3.7/site-packages']
Server time: Tue, 21 Aug 2018 02:57:59 +0000
Installed Applications:
['django.contrib.admin',
'django.contrib.auth',
'django.contrib.contenttypes',
'django.contrib.sessions',
'django.contrib.messages',
'django.contrib.staticfiles',
'rest_framework',
'rest_framework.authtoken',
'marknote']
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 "/Users/sheldonwoodward/.local/share/virtualenvs/marknote-1Se4K7YM/lib/python3.7/site-packages/django/db/backends/utils.py" in _execute
85. return self.cursor.execute(sql, params)
File "/Users/sheldonwoodward/.local/share/virtualenvs/marknote-1Se4K7YM/lib/python3.7/site-packages/django/db/backends/sqlite3/base.py" in execute
296. return Database.Cursor.execute(self, query, params)
The above exception (NOT NULL constraint failed: marknote_notes.owner_id) was the direct cause of the following exception:
File "/Users/sheldonwoodward/.local/share/virtualenvs/marknote-1Se4K7YM/lib/python3.7/site-packages/django/core/handlers/exception.py" in inner
34. response = get_response(request)
File "/Users/sheldonwoodward/.local/share/virtualenvs/marknote-1Se4K7YM/lib/python3.7/site-packages/django/core/handlers/base.py" in _get_response
126. response = self.process_exception_by_middleware(e, request)
File "/Users/sheldonwoodward/.local/share/virtualenvs/marknote-1Se4K7YM/lib/python3.7/site-packages/django/core/handlers/base.py" in _get_response
124. response = wrapped_callback(request, *callback_args, **callback_kwargs)
File "/Users/sheldonwoodward/.local/share/virtualenvs/marknote-1Se4K7YM/lib/python3.7/site-packages/django/views/decorators/csrf.py" in wrapped_view
54. return view_func(*args, **kwargs)
File "/Users/sheldonwoodward/.local/share/virtualenvs/marknote-1Se4K7YM/lib/python3.7/site-packages/django/views/generic/base.py" in view
68. return self.dispatch(request, *args, **kwargs)
File "/Users/sheldonwoodward/.local/share/virtualenvs/marknote-1Se4K7YM/lib/python3.7/site-packages/rest_framework/views.py" in dispatch
483. response = self.handle_exception(exc)
File "/Users/sheldonwoodward/.local/share/virtualenvs/marknote-1Se4K7YM/lib/python3.7/site-packages/rest_framework/views.py" in handle_exception
443. self.raise_uncaught_exception(exc)
File "/Users/sheldonwoodward/.local/share/virtualenvs/marknote-1Se4K7YM/lib/python3.7/site-packages/rest_framework/views.py" in dispatch
480. response = handler(request, *args, **kwargs)
File "/Users/sheldonwoodward/.local/share/virtualenvs/marknote-1Se4K7YM/lib/python3.7/site-packages/rest_framework/generics.py" in post
244. return self.create(request, *args, **kwargs)
File "/Users/sheldonwoodward/.local/share/virtualenvs/marknote-1Se4K7YM/lib/python3.7/site-packages/rest_framework/mixins.py" in create
21. self.perform_create(serializer)
File "/Users/sheldonwoodward/.local/share/virtualenvs/marknote-1Se4K7YM/lib/python3.7/site-packages/rest_framework/mixins.py" in perform_create
26. serializer.save()
File "/Users/sheldonwoodward/.local/share/virtualenvs/marknote-1Se4K7YM/lib/python3.7/site-packages/rest_framework/serializers.py" in save
214. self.instance = self.create(validated_data)
File "/Users/sheldonwoodward/.local/share/virtualenvs/marknote-1Se4K7YM/lib/python3.7/site-packages/rest_framework/serializers.py" in create
940. instance = ModelClass.objects.create(**validated_data)
File "/Users/sheldonwoodward/.local/share/virtualenvs/marknote-1Se4K7YM/lib/python3.7/site-packages/django/db/models/manager.py" in manager_method
82. return getattr(self.get_queryset(), name)(*args, **kwargs)
File "/Users/sheldonwoodward/.local/share/virtualenvs/marknote-1Se4K7YM/lib/python3.7/site-packages/django/db/models/query.py" in create
413. obj.save(force_insert=True, using=self.db)
File "/Users/sheldonwoodward/.local/share/virtualenvs/marknote-1Se4K7YM/lib/python3.7/site-packages/django/db/models/base.py" in save
717. force_update=force_update, update_fields=update_fields)
File "/Users/sheldonwoodward/.local/share/virtualenvs/marknote-1Se4K7YM/lib/python3.7/site-packages/django/db/models/base.py" in save_base
747. updated = self._save_table(raw, cls, force_insert, force_update, using, update_fields)
File "/Users/sheldonwoodward/.local/share/virtualenvs/marknote-1Se4K7YM/lib/python3.7/site-packages/django/db/models/base.py" in _save_table
830. result = self._do_insert(cls._base_manager, using, fields, update_pk, raw)
File "/Users/sheldonwoodward/.local/share/virtualenvs/marknote-1Se4K7YM/lib/python3.7/site-packages/django/db/models/base.py" in _do_insert
868. using=using, raw=raw)
File "/Users/sheldonwoodward/.local/share/virtualenvs/marknote-1Se4K7YM/lib/python3.7/site-packages/django/db/models/manager.py" in manager_method
82. return getattr(self.get_queryset(), name)(*args, **kwargs)
File "/Users/sheldonwoodward/.local/share/virtualenvs/marknote-1Se4K7YM/lib/python3.7/site-packages/django/db/models/query.py" in _insert
1133. return query.get_compiler(using=using).execute_sql(return_id)
File "/Users/sheldonwoodward/.local/share/virtualenvs/marknote-1Se4K7YM/lib/python3.7/site-packages/django/db/models/sql/compiler.py" in execute_sql
1285. cursor.execute(sql, params)
File "/Users/sheldonwoodward/.local/share/virtualenvs/marknote-1Se4K7YM/lib/python3.7/site-packages/django/db/backends/utils.py" in execute
100. return super().execute(sql, params)
File "/Users/sheldonwoodward/.local/share/virtualenvs/marknote-1Se4K7YM/lib/python3.7/site-packages/django/db/backends/utils.py" in execute
68. return self._execute_with_wrappers(sql, params, many=False, executor=self._execute)
File "/Users/sheldonwoodward/.local/share/virtualenvs/marknote-1Se4K7YM/lib/python3.7/site-packages/django/db/backends/utils.py" in _execute_with_wrappers
77. return executor(sql, params, many, context)
File "/Users/sheldonwoodward/.local/share/virtualenvs/marknote-1Se4K7YM/lib/python3.7/site-packages/django/db/backends/utils.py" in _execute
85. return self.cursor.execute(sql, params)
File "/Users/sheldonwoodward/.local/share/virtualenvs/marknote-1Se4K7YM/lib/python3.7/site-packages/django/db/utils.py" in __exit__
89. raise dj_exc_value.with_traceback(traceback) from exc_value
File "/Users/sheldonwoodward/.local/share/virtualenvs/marknote-1Se4K7YM/lib/python3.7/site-packages/django/db/backends/utils.py" in _execute
85. return self.cursor.execute(sql, params)
File "/Users/sheldonwoodward/.local/share/virtualenvs/marknote-1Se4K7YM/lib/python3.7/site-packages/django/db/backends/sqlite3/base.py" in execute
296. return Database.Cursor.execute(self, query, params)
Exception Type: IntegrityError at /marknote/note
Exception Value: NOT NULL constraint failed: marknote_notes.owner_id
Request information:
USER: sheldonwoodward
GET: No GET data
POST:
title = 'Test 1'
content = 'Test 1'
FILES: No FILES data
COOKIES: No cookie data
META:
Apple_PubSub_Socket_Render = '/private/tmp/com.apple.launchd.Ub5WC3uGKI/Render'
CLICOLOR = '1'
COLORFGBG = '15;0'
COLORTERM = 'truecolor'
CONTENT_LENGTH = '278'
CONTENT_TYPE = 'multipart/form-data; boundary=--------------------------010663819168948174069971'
DJANGO_SETTINGS_MODULE = 'django_server.settings'
GATEWAY_INTERFACE = 'CGI/1.1'
HOME = '/Users/sheldonwoodward'
HTTP_ACCEPT = '*/*'
HTTP_ACCEPT_ENCODING = 'gzip, deflate'
HTTP_AUTHORIZATION = 'Token f093f174c4e5df0e1ea2c0ed96b06e15ff210070'
HTTP_CACHE_CONTROL = 'no-cache'
HTTP_CONNECTION = 'keep-alive'
HTTP_HOST = 'localhost:8000'
HTTP_POSTMAN_TOKEN = '1a299d28-3fe5-4b44-afb0-bfaf812f450f'
HTTP_USER_AGENT = 'PostmanRuntime/7.2.0'
ITERM_PROFILE = 'Sheldon'
ITERM_SESSION_ID = 'w1t0p0:DEBAC83E-F158-4352-B9F7-A2E992591FAC'
LANG = 'en_US.UTF-8'
LOGNAME = 'sheldonwoodward'
LSCOLORS = 'GxBxhxDxfxhxhxhxhxcxcx'
PATH = '/Users/sheldonwoodward/.local/share/virtualenvs/marknote-1Se4K7YM/bin:/usr/local/Cellar/pipenv/2018.7.1/libexec/tools:/Applications/MAMP PRO/Library/bin/:/Applications/MAMP/Library/bin/:/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin:/Users/sheldonwoodward/.javacc-6.0/bin:/usr/local/opt/sqlite/bin:/Users/sheldonwoodward/.composer/vendor/bin'
PATH_INFO = '/marknote/note'
PIP_PYTHON_PATH = '/usr/local/Cellar/pipenv/2018.7.1/libexec/bin/python3.7'
PWD = '/Users/sheldonwoodward/Developer/projects/marknote'
PYTHONDONTWRITEBYTECODE = '1'
QUERY_STRING = ''
REMOTE_ADDR = '127.0.0.1'
REMOTE_HOST = ''
REQUEST_METHOD = 'POST'
RUN_MAIN = 'true'
SCRIPT_NAME = ''
SERVER_NAME = '1.0.0.127.in-addr.arpa'
SERVER_PORT = '8000'
SERVER_PROTOCOL = 'HTTP/1.1'
SERVER_SOFTWARE = 'WSGIServer/0.2'
SHELL = '/bin/bash'
SHLVL = '1'
SSH_AUTH_SOCK = '/private/tmp/com.apple.launchd.slrqyEZVoL/Listeners'
TERM = 'xterm-256color'
TERM_PROGRAM = 'iTerm.app'
TERM_PROGRAM_VERSION = '3.1.6'
TERM_SESSION_ID = 'w1t0p0:DEBAC83E-F158-4352-B9F7-A2E992591FAC'
TMPDIR = '/var/folders/kh/c1hbp5r97b9fbwqny9rr7cym0000gp/T/'
TZ = 'UTC'
USER = 'sheldonwoodward'
XPC_FLAGS = '0x0'
XPC_SERVICE_NAME = '0'
_ = '/usr/local/bin/pipenv'
__CF_USER_TEXT_ENCODING = '0x1F6:0x0:0x0'
wsgi.errors = <_io.TextIOWrapper name='<stderr>' mode='w' encoding='UTF-8'>
wsgi.file_wrapper = ''
wsgi.input = <_io.BufferedReader name=5>
wsgi.multiprocess = False
wsgi.multithread = True
wsgi.run_once = False
wsgi.url_scheme = 'http'
wsgi.version = '(1, 0)'
Settings:
Using settings module django_server.settings
ABSOLUTE_URL_OVERRIDES = {}
ADMINS = []
ALLOWED_HOSTS = []
APPEND_SLASH = True
AUTHENTICATION_BACKENDS = ['django.contrib.auth.backends.ModelBackend']
AUTH_PASSWORD_VALIDATORS = '********************'
AUTH_USER_MODEL = 'auth.User'
BASE_DIR = '/Users/sheldonwoodward/Developer/projects/marknote'
CACHES = {'default': {'BACKEND': 'django.core.cache.backends.locmem.LocMemCache'}}
CACHE_MIDDLEWARE_ALIAS = 'default'
CACHE_MIDDLEWARE_KEY_PREFIX = '********************'
CACHE_MIDDLEWARE_SECONDS = 600
CSRF_COOKIE_AGE = 31449600
CSRF_COOKIE_DOMAIN = None
CSRF_COOKIE_HTTPONLY = False
CSRF_COOKIE_NAME = 'csrftoken'
CSRF_COOKIE_PATH = '/'
CSRF_COOKIE_SAMESITE = 'Lax'
CSRF_COOKIE_SECURE = False
CSRF_FAILURE_VIEW = 'django.views.csrf.csrf_failure'
CSRF_HEADER_NAME = 'HTTP_X_CSRFTOKEN'
CSRF_TRUSTED_ORIGINS = []
CSRF_USE_SESSIONS = False
DATABASES = {'default': {'ENGINE': 'django.db.backends.sqlite3', 'NAME': '/Users/sheldonwoodward/Developer/projects/marknote/db.sqlite3', 'ATOMIC_REQUESTS': False, 'AUTOCOMMIT': True, 'CONN_MAX_AGE': 0, 'OPTIONS': {}, 'TIME_ZONE': None, 'USER': '', 'PASSWORD': '********************', 'HOST': '', 'PORT': '', 'TEST': {'CHARSET': None, 'COLLATION': None, 'NAME': None, 'MIRROR': None}}}
DATABASE_ROUTERS = []
DATA_UPLOAD_MAX_MEMORY_SIZE = 2621440
DATA_UPLOAD_MAX_NUMBER_FIELDS = 1000
DATETIME_FORMAT = 'N j, Y, P'
DATETIME_INPUT_FORMATS = ['%Y-%m-%d %H:%M:%S', '%Y-%m-%d %H:%M:%S.%f', '%Y-%m-%d %H:%M', '%Y-%m-%d', '%m/%d/%Y %H:%M:%S', '%m/%d/%Y %H:%M:%S.%f', '%m/%d/%Y %H:%M', '%m/%d/%Y', '%m/%d/%y %H:%M:%S', '%m/%d/%y %H:%M:%S.%f', '%m/%d/%y %H:%M', '%m/%d/%y']
DATE_FORMAT = 'N j, Y'
DATE_INPUT_FORMATS = ['%Y-%m-%d', '%m/%d/%Y', '%m/%d/%y', '%b %d %Y', '%b %d, %Y', '%d %b %Y', '%d %b, %Y', '%B %d %Y', '%B %d, %Y', '%d %B %Y', '%d %B, %Y']
DEBUG = True
DEBUG_PROPAGATE_EXCEPTIONS = False
DECIMAL_SEPARATOR = '.'
DEFAULT_CHARSET = 'utf-8'
DEFAULT_CONTENT_TYPE = 'text/html'
DEFAULT_EXCEPTION_REPORTER_FILTER = 'django.views.debug.SafeExceptionReporterFilter'
DEFAULT_FILE_STORAGE = 'django.core.files.storage.FileSystemStorage'
DEFAULT_FROM_EMAIL = 'webmaster@localhost'
DEFAULT_INDEX_TABLESPACE = ''
DEFAULT_TABLESPACE = ''
DISALLOWED_USER_AGENTS = []
EMAIL_BACKEND = 'django.core.mail.backends.smtp.EmailBackend'
EMAIL_HOST = 'localhost'
EMAIL_HOST_PASSWORD = '********************'
EMAIL_HOST_USER = ''
EMAIL_PORT = 25
EMAIL_SSL_CERTFILE = None
EMAIL_SSL_KEYFILE = '********************'
EMAIL_SUBJECT_PREFIX = '[Django] '
EMAIL_TIMEOUT = None
EMAIL_USE_LOCALTIME = False
EMAIL_USE_SSL = False
EMAIL_USE_TLS = False
FILE_CHARSET = 'utf-8'
FILE_UPLOAD_DIRECTORY_PERMISSIONS = None
FILE_UPLOAD_HANDLERS = ['django.core.files.uploadhandler.MemoryFileUploadHandler', 'django.core.files.uploadhandler.TemporaryFileUploadHandler']
FILE_UPLOAD_MAX_MEMORY_SIZE = 2621440
FILE_UPLOAD_PERMISSIONS = None
FILE_UPLOAD_TEMP_DIR = None
FIRST_DAY_OF_WEEK = 0
FIXTURE_DIRS = []
FORCE_SCRIPT_NAME = None
FORMAT_MODULE_PATH = None
FORM_RENDERER = 'django.forms.renderers.DjangoTemplates'
IGNORABLE_404_URLS = []
INSTALLED_APPS = ['django.contrib.admin', 'django.contrib.auth', 'django.contrib.contenttypes', 'django.contrib.sessions', 'django.contrib.messages', 'django.contrib.staticfiles', 'rest_framework', 'rest_framework.authtoken', 'marknote']
INTERNAL_IPS = []
LANGUAGES = [('af', 'Afrikaans'), ('ar', 'Arabic'), ('ast', 'Asturian'), ('az', 'Azerbaijani'), ('bg', 'Bulgarian'), ('be', 'Belarusian'), ('bn', 'Bengali'), ('br', 'Breton'), ('bs', 'Bosnian'), ('ca', 'Catalan'), ('cs', 'Czech'), ('cy', 'Welsh'), ('da', 'Danish'), ('de', 'German'), ('dsb', 'Lower Sorbian'), ('el', 'Greek'), ('en', 'English'), ('en-au', 'Australian English'), ('en-gb', 'British English'), ('eo', 'Esperanto'), ('es', 'Spanish'), ('es-ar', 'Argentinian Spanish'), ('es-co', 'Colombian Spanish'), ('es-mx', 'Mexican Spanish'), ('es-ni', 'Nicaraguan Spanish'), ('es-ve', 'Venezuelan Spanish'), ('et', 'Estonian'), ('eu', 'Basque'), ('fa', 'Persian'), ('fi', 'Finnish'), ('fr', 'French'), ('fy', 'Frisian'), ('ga', 'Irish'), ('gd', 'Scottish Gaelic'), ('gl', 'Galician'), ('he', 'Hebrew'), ('hi', 'Hindi'), ('hr', 'Croatian'), ('hsb', 'Upper Sorbian'), ('hu', 'Hungarian'), ('ia', 'Interlingua'), ('id', 'Indonesian'), ('io', 'Ido'), ('is', 'Icelandic'), ('it', 'Italian'), ('ja', 'Japanese'), ('ka', 'Georgian'), ('kab', 'Kabyle'), ('kk', 'Kazakh'), ('km', 'Khmer'), ('kn', 'Kannada'), ('ko', 'Korean'), ('lb', 'Luxembourgish'), ('lt', 'Lithuanian'), ('lv', 'Latvian'), ('mk', 'Macedonian'), ('ml', 'Malayalam'), ('mn', 'Mongolian'), ('mr', 'Marathi'), ('my', 'Burmese'), ('nb', 'Norwegian Bokmål'), ('ne', 'Nepali'), ('nl', 'Dutch'), ('nn', 'Norwegian Nynorsk'), ('os', 'Ossetic'), ('pa', 'Punjabi'), ('pl', 'Polish'), ('pt', 'Portuguese'), ('pt-br', 'Brazilian Portuguese'), ('ro', 'Romanian'), ('ru', 'Russian'), ('sk', 'Slovak'), ('sl', 'Slovenian'), ('sq', 'Albanian'), ('sr', 'Serbian'), ('sr-latn', 'Serbian Latin'), ('sv', 'Swedish'), ('sw', 'Swahili'), ('ta', 'Tamil'), ('te', 'Telugu'), ('th', 'Thai'), ('tr', 'Turkish'), ('tt', 'Tatar'), ('udm', 'Udmurt'), ('uk', 'Ukrainian'), ('ur', 'Urdu'), ('vi', 'Vietnamese'), ('zh-hans', 'Simplified Chinese'), ('zh-hant', 'Traditional Chinese')]
LANGUAGES_BIDI = ['he', 'ar', 'fa', 'ur']
LANGUAGE_CODE = 'en-us'
LANGUAGE_COOKIE_AGE = None
LANGUAGE_COOKIE_DOMAIN = None
LANGUAGE_COOKIE_NAME = 'django_language'
LANGUAGE_COOKIE_PATH = '/'
LOCALE_PATHS = []
LOGGING = {}
LOGGING_CONFIG = 'logging.config.dictConfig'
LOGIN_REDIRECT_URL = '/accounts/profile/'
LOGIN_URL = '/accounts/login/'
LOGOUT_REDIRECT_URL = None
MANAGERS = []
MEDIA_ROOT = ''
MEDIA_URL = ''
MESSAGE_STORAGE = 'django.contrib.messages.storage.fallback.FallbackStorage'
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']
MIGRATION_MODULES = {}
MONTH_DAY_FORMAT = 'F j'
NUMBER_GROUPING = 0
PASSWORD_HASHERS = '********************'
PASSWORD_RESET_TIMEOUT_DAYS = '********************'
PREPEND_WWW = False
ROOT_URLCONF = 'django_server.urls'
SECRET_KEY = '********************'
SECURE_BROWSER_XSS_FILTER = False
SECURE_CONTENT_TYPE_NOSNIFF = False
SECURE_HSTS_INCLUDE_SUBDOMAINS = False
SECURE_HSTS_PRELOAD = False
SECURE_HSTS_SECONDS = 0
SECURE_PROXY_SSL_HEADER = None
SECURE_REDIRECT_EXEMPT = []
SECURE_SSL_HOST = None
SECURE_SSL_REDIRECT = False
SERVER_EMAIL = 'root@localhost'
SESSION_CACHE_ALIAS = 'default'
SESSION_COOKIE_AGE = 1209600
SESSION_COOKIE_DOMAIN = None
SESSION_COOKIE_HTTPONLY = True
SESSION_COOKIE_NAME = 'sessionid'
SESSION_COOKIE_PATH = '/'
SESSION_COOKIE_SAMESITE = 'Lax'
SESSION_COOKIE_SECURE = False
SESSION_ENGINE = 'django.contrib.sessions.backends.db'
SESSION_EXPIRE_AT_BROWSER_CLOSE = False
SESSION_FILE_PATH = None
SESSION_SAVE_EVERY_REQUEST = False
SESSION_SERIALIZER = 'django.contrib.sessions.serializers.JSONSerializer'
SETTINGS_MODULE = 'django_server.settings'
SHORT_DATETIME_FORMAT = 'm/d/Y P'
SHORT_DATE_FORMAT = 'm/d/Y'
SIGNING_BACKEND = 'django.core.signing.TimestampSigner'
SILENCED_SYSTEM_CHECKS = []
STATICFILES_DIRS = []
STATICFILES_FINDERS = ['django.contrib.staticfiles.finders.FileSystemFinder', 'django.contrib.staticfiles.finders.AppDirectoriesFinder']
STATICFILES_STORAGE = 'django.contrib.staticfiles.storage.StaticFilesStorage'
STATIC_ROOT = None
STATIC_URL = '/static/'
TEMPLATES = [{'BACKEND': 'django.template.backends.django.DjangoTemplates', 'DIRS': [], 'APP_DIRS': True, 'OPTIONS': {'context_processors': ['django.template.context_processors.debug', 'django.template.context_processors.request', 'django.contrib.auth.context_processors.auth', 'django.contrib.messages.context_processors.messages']}}]
TEST_NON_SERIALIZED_APPS = []
TEST_RUNNER = 'django.test.runner.DiscoverRunner'
THOUSAND_SEPARATOR = ','
TIME_FORMAT = 'P'
TIME_INPUT_FORMATS = ['%H:%M:%S', '%H:%M:%S.%f', '%H:%M']
TIME_ZONE = 'UTC'
USE_I18N = True
USE_L10N = True
USE_THOUSAND_SEPARATOR = False
USE_TZ = True
USE_X_FORWARDED_HOST = False
USE_X_FORWARDED_PORT = False
WSGI_APPLICATION = 'django_server.wsgi.application'
X_FRAME_OPTIONS = 'SAMEORIGIN'
YEAR_MONTH_FORMAT = 'F Y'
You're seeing this error because you have DEBUG = True in your
Django settings file. Change that to False, and Django will
display a standard page generated by the handler for this status code.
如有任何帮助，我们将不胜感激。
对于这种情况，我有一个干净的例程，我会解释一下。首先，CurrentUserDefault 没有做 something magical，它只是 returning 我们之前给序列化程序的 request 的用户（通用视图将请求传递给通过调用 get_serializer 的序列化器，因为你使用的是泛型，所以你做得很好）。
但出于我们的目的，我们将编写一个新的自定义 CurrentUserDefault，它将 return 用户的 ID：
class CurrentUserDefault(object):
def set_context(self, serializer_field):
self.user_id = serializer_field.context['request'].user.id
def __call__(self):
return self.user_id
def __repr__(self):
return unicode_to_repr('%s()' % self.__class__.__name__)
现在我们将使用此 CurrentUserDefault 并填充 NoteSummarySerializer 的 owner_id 字段，我建议您使用 serializers.HiddenField，因为根据 drf 文档：
A field class that does not take a value based on user input, but instead takes its value from a default value or callable.
This field will be present in validated_data but will not be used in the serializer output representation.
所以它只从 default or callable 获取它的值，所以它不是 Changeable 用户输入的，它也不会在序列化器输出表示中使用。看起来不错吧？
我们只是将这个字段添加到序列化程序中：
class NoteSummarySerializer(serializers.ModelSerializer):
owner_id = serializers.HiddenField(default=CurrentUserDefault())
class Meta:
model = Note
fields = (
'pk',
'title',
'containerId',
'created',
'updated',
'owner_id', ### dont forget to add it to the fields.
)
然后是最后一步，因为我们使用 owner_id 来填充所有者，所以名称 owner 可用于其他用途。在这种情况下，我认为将其设为 CharField 并将 owner.username （或任何您想要的）赋给其 source 并使其 readonly 为真，
所以我们的序列化程序最终会像：
class NoteSummarySerializer(serializers.ModelSerializer):
owner_id = serializers.HiddenField(default=CurrentUserDefault())
owner = serializers.CharField(source='owner.username', read_only=True)
class Meta:
model = Note
fields = (
'pk',
'title',
'containerId',
'created',
'updated',
'owner_id',
'owner'
)