Python django.core.exceptions.FieldError:未知字段
我越来越Python django.core.exceptions.FieldError:未知字段,python,django,Python,Django,我越来越 django.core.exceptions.FieldError: Unknown field(s) (authorized_users_read_or_write, authorized_users_to_write, authorized_users_to_read) specified for FileUpload 更改模型中3个字段的名称后运行makemigrations。我希望Django接受名称更改，并根据更改进行迁移。模型是： # -*- coding: utf-8
django.core.exceptions.FieldError: Unknown field(s) (authorized_users_read_or_write, authorized_users_to_write, authorized_users_to_read) specified for FileUpload
makemigrations# -*- coding: utf-8 -*-
from __future__ import unicode_literals
from django.db import models
from django.contrib.auth.models import User
class FileUpload(models.Model):
name = models.CharField(max_length=255, default='')
file = models.FileField(upload_to='uploads/%Y/%m/%d/')
upload_time = models.DateTimeField(auto_now_add=True, blank=True)
owner = models.ForeignKey(User, on_delete=models.CASCADE, null=True, related_name='files_owned')
description = models.TextField(null=True, blank=True)
users_authorized_to_read = models.ManyToManyField(User, related_name='file_read_permissions', null=True, blank=True)
users_authorized_to_write = models.ManyToManyField(User, related_name='file_write_permissions', null=True, blank=True)
users_authorized_to_read_or_write = models.ManyToManyField(User, related_name='file_read_write_permissions', null=True, blank=True)
def __str__(self):
return self.name
$ python3 manage.py makemigrations
Traceback (most recent call last):
File "manage.py", line 22, in <module>
execute_from_command_line(sys.argv)
File "/usr/local/lib/python3.5/dist-packages/django/core/management/__init__.py", line 381, in execute_from_command_line
utility.execute()
File "/usr/local/lib/python3.5/dist-packages/django/core/management/__init__.py", line 375, in execute
self.fetch_command(subcommand).run_from_argv(self.argv)
File "/usr/local/lib/python3.5/dist-packages/django/core/management/base.py", line 316, in run_from_argv
self.execute(*args, **cmd_options)
File "/usr/local/lib/python3.5/dist-packages/django/core/management/base.py", line 350, in execute
self.check()
File "/usr/local/lib/python3.5/dist-packages/django/core/management/base.py", line 379, in check
include_deployment_checks=include_deployment_checks,
File "/usr/local/lib/python3.5/dist-packages/django/core/management/base.py", line 366, in _run_checks
return checks.run_checks(**kwargs)
File "/usr/local/lib/python3.5/dist-packages/django/core/checks/registry.py", line 71, in run_checks
new_errors = check(app_configs=app_configs)
File "/usr/local/lib/python3.5/dist-packages/django/core/checks/urls.py", line 40, in check_url_namespaces_unique
all_namespaces = _load_all_namespaces(resolver)
File "/usr/local/lib/python3.5/dist-packages/django/core/checks/urls.py", line 57, in _load_all_namespaces
url_patterns = getattr(resolver, 'url_patterns', [])
File "/usr/local/lib/python3.5/dist-packages/django/utils/functional.py", line 37, in __get__
res = instance.__dict__[self.name] = self.func(instance)
File "/usr/local/lib/python3.5/dist-packages/django/urls/resolvers.py", line 533, in url_patterns
patterns = getattr(self.urlconf_module, "urlpatterns", self.urlconf_module)
File "/usr/local/lib/python3.5/dist-packages/django/utils/functional.py", line 37, in __get__
res = instance.__dict__[self.name] = self.func(instance)
File "/usr/local/lib/python3.5/dist-packages/django/urls/resolvers.py", line 526, in urlconf_module
return import_module(self.urlconf_name)
File "/usr/lib/python3.5/importlib/__init__.py", line 126, in import_module
return _bootstrap._gcd_import(name[level:], package, level)
File "<frozen importlib._bootstrap>", line 986, in _gcd_import
File "<frozen importlib._bootstrap>", line 969, in _find_and_load
File "<frozen importlib._bootstrap>", line 958, in _find_and_load_unlocked
File "<frozen importlib._bootstrap>", line 673, in _load_unlocked
File "<frozen importlib._bootstrap_external>", line 665, in exec_module
File "<frozen importlib._bootstrap>", line 222, in _call_with_frames_removed
File "/home/cchilders/projects/secure_code_warrior_django_project/secure_code_warrior_django_project/urls.py", line 24, in <module>
url(r'file-manager/', include('file_management.urls')),
File "/usr/local/lib/python3.5/dist-packages/django/urls/conf.py", line 34, in include
urlconf_module = import_module(urlconf_module)
File "/usr/lib/python3.5/importlib/__init__.py", line 126, in import_module
return _bootstrap._gcd_import(name[level:], package, level)
File "<frozen importlib._bootstrap>", line 986, in _gcd_import
File "<frozen importlib._bootstrap>", line 969, in _find_and_load
File "<frozen importlib._bootstrap>", line 958, in _find_and_load_unlocked
File "<frozen importlib._bootstrap>", line 673, in _load_unlocked
File "<frozen importlib._bootstrap_external>", line 665, in exec_module
File "<frozen importlib._bootstrap>", line 222, in _call_with_frames_removed
File "/home/cchilders/projects/secure_code_warrior_django_project/file_management/urls.py", line 3, in <module>
from . import views
File "/home/cchilders/projects/secure_code_warrior_django_project/file_management/views.py", line 9, in <module>
from .forms import FileUploadForm
File "/home/cchilders/projects/secure_code_warrior_django_project/file_management/forms.py", line 26, in <module>
class FileUploadForm(ModelForm):
File "/usr/local/lib/python3.5/dist-packages/django/forms/models.py", line 266, in __new__
raise FieldError(message)
django.core.exceptions.FieldError: Unknown field(s) (authorized_users_read_or_write, authorized_users_to_write, authorized_users_to_read) specified for FileUpload
$python3 manage.py makemigrations
回溯（最近一次呼叫最后一次）：
文件“manage.py”，第22行，在
从命令行（sys.argv）执行命令
文件“/usr/local/lib/python3.5/dist-packages/django/core/management/__-init___;.py”，第381行，从命令行执行
utility.execute（）
文件“/usr/local/lib/python3.5/dist-packages/django/core/management/__-init__.py”，执行中第375行
self.fetch_命令（子命令）。从_argv（self.argv）运行_
文件“/usr/local/lib/python3.5/dist-packages/django/core/management/base.py”，第316行，在运行时从
self.execute（*args，**cmd_选项）
文件“/usr/local/lib/python3.5/dist-packages/django/core/management/base.py”，第350行，在execute中
self.check（）
文件“/usr/local/lib/python3.5/dist-packages/django/core/management/base.py”，第379行，选中
包括部署检查=包括部署检查，
文件“/usr/local/lib/python3.5/dist-packages/django/core/management/base.py”，第366行，运行检查
返回检查。运行检查（**kwargs）
文件“/usr/local/lib/python3.5/dist packages/django/core/checks/registry.py”，第71行，运行检查
新建错误=检查（应用程序配置=应用程序配置）
文件“/usr/local/lib/python3.5/dist packages/django/core/checks/url.py”，第40行，在check\u url\u namespaces\u unique中
所有\u名称空间=\u加载\u所有\u名称空间（解析器）
文件“/usr/local/lib/python3.5/dist-packages/django/core/checks/url.py”，第57行，位于“加载所有名称空间”
url\u patterns=getattr（解析器，'url\u patterns'，[]）
文件“/usr/local/lib/python3.5/dist-packages/django/utils/functional.py”，第37行，在__
res=instance.\uuuu dict\uuuu[self.name]=self.func（实例）
文件“/usr/local/lib/python3.5/dist packages/django/url/resolvers.py”，第533行，url_模式
patterns=getattr（self.urlconf_模块，“urlpatterns”，self.urlconf_模块）
文件“/usr/local/lib/python3.5/dist-packages/django/utils/functional.py”，第37行，在__
res=instance.\uuuu dict\uuuu[self.name]=self.func（实例）
urlconf_模块中的文件“/usr/local/lib/python3.5/dist packages/django/url/resolvers.py”，第526行
返回导入_模块（self.urlconf_名称）
文件“/usr/lib/python3.5/importlib/_init__.py”，第126行，在导入模块中
return _bootstrap._gcd_import（名称[级别：]，包，级别）
文件“”，第986行，在_gcd_import中
文件“”，第969行，在“查找”和“加载”中
文件“”，第958行，在“查找”和“加载”中解锁
文件“”，第673行，在“加载”中
exec_模块中第665行的文件“”
文件“”，第222行，在已删除帧的调用中
文件“/home/cchilders/projects/secure\u code\u warrior\u django\u project/secure\u code\u warrior\u django\u project/url.py”，第24行，在
url（r'file-manager/'，包括（'file_management.url'），
文件“/usr/local/lib/python3.5/dist-packages/django/url/conf.py”，第34行，include中
urlconf_模块=导入_模块（urlconf_模块）
文件“/usr/lib/python3.5/importlib/_init__.py”，第126行，在导入模块中
return _bootstrap._gcd_import（名称[级别：]，包，级别）
文件“”，第986行，在_gcd_import中
文件“”，第969行，在“查找”和“加载”中
文件“”，第958行，在“查找”和“加载”中解锁
文件“”，第673行，在“加载”中
exec_模块中第665行的文件“”
文件“”，第222行，在已删除帧的调用中
文件“/home/cchilders/projects/secure\u code\u warrior\u django\u project/File\u management/url.py”，第3行，在
从…起导入视图
文件“/home/cchilders/projects/secure\u code\u warrior\u django\u project/File\u management/views.py”，第9行，在
从.forms导入文件上传表单
文件“/home/cchilders/projects/secure\u code\u warrior\u django\u project/File\u management/forms.py”，第26行，在
类FileUploadForm（ModelForm）：
文件“/usr/local/lib/python3.5/dist-packages/django/forms/models.py”，第266行，新__
raise FIELD错误（消息）
django.core.exceptions.FieldError:为文件上载指定的未知字段（授权用户读取或写入、授权用户写入、授权用户读取）