加载预训练模型的权限错误，Django，AWS

Question

我正在努力在 AWS 上部署 Django 应用程序。在本地，一切正常。部署后，网站打开正常，但当我尝试运行深度学习模型时，它给了我一个 Errno 13 权限错误。 /severity 是发生这种情况的网站页面。感谢您提供任何帮助:)

网站显示错误

Request Method: POST
Request URL: http://radiology-ai-env.eba-wgmpba4k.us-west-2.elasticbeanstalk.com/severity/

Django Version: 3.0.8
Python Version: 3.6.10
Installed Applications:
['django.contrib.admin',
 'django.contrib.auth',
 'django.contrib.contenttypes',
 'django.contrib.sessions',
 'django.contrib.messages',
 'django.contrib.staticfiles',
 'tinymce',
 'main']
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 (most recent call last):
  File "/opt/python/run/venv/local/lib/python3.6/site-packages/django/core/handlers/exception.py", line 34, in inner
    response = get_response(request)
  File "/opt/python/run/venv/local/lib/python3.6/site-packages/django/core/handlers/base.py", line 115, in _get_response
    response = self.process_exception_by_middleware(e, request)
  File "/opt/python/run/venv/local/lib/python3.6/site-packages/django/core/handlers/base.py", line 113, in _get_response
    response = wrapped_callback(request, *callback_args, **callback_kwargs)
  File "/opt/python/run/venv/local/lib/python3.6/site-packages/django/views/decorators/csrf.py", line 54, in wrapped_view
    return view_func(*args, **kwargs)
  File "/opt/python/current/app/main/views.py", line 62, in severity
    results = severity_model(image, mask)
  File "/opt/python/current/app/main/ml_models.py", line 11, in severity_model
    return Image_based_severity_prediction.run_model(image, mask)
  File "/opt/python/current/app/main/Image_based_severity_prediction.py", line 70, in run_model
    model_eff = EfficientNet.from_pretrained('efficientnet-b0')
  File "/opt/python/run/venv/local/lib/python3.6/site-packages/efficientnet_pytorch/model.py", line 211, in from_pretrained
    load_pretrained_weights(model, model_name, load_fc=(num_classes == 1000), advprop=advprop)
  File "/opt/python/run/venv/local/lib/python3.6/site-packages/efficientnet_pytorch/utils.py", line 327, in load_pretrained_weights
    state_dict = model_zoo.load_url(url_map_[model_name])
  File "/opt/python/run/venv/local/lib64/python3.6/site-packages/torch/hub.py", line 480, in load_state_dict_from_url
    os.makedirs(model_dir)
  File "/opt/python/run/venv/lib64/python3.6/os.py", line 210, in makedirs
    makedirs(head, mode, exist_ok)
  File "/opt/python/run/venv/lib64/python3.6/os.py", line 210, in makedirs
    makedirs(head, mode, exist_ok)
  File "/opt/python/run/venv/lib64/python3.6/os.py", line 210, in makedirs
    makedirs(head, mode, exist_ok)
  File "/opt/python/run/venv/lib64/python3.6/os.py", line 220, in makedirs
    mkdir(name, mode)

Exception Type: PermissionError at /severity/

Exception Value: [Errno 13] Permission denied: '/home/wsgi'

我的文件中导致此问题的代码是：

model_eff = EfficientNet.from_pretrained('efficientnet-b0')

万一重要...

**wsgi.py**
import os
import sys
from django.core.wsgi import get_wsgi_application

# path = '/opt/python/current/app/mysite'
# if path not in sys.path:
#     sys.path.append(path)
os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'mysite.settings')
os.environ['HTTPS'] = "on"
print("I AM IN THE GOOD FILE!!!!!!!!!!")
application = get_wsgi_application()

settings.py

import os

# Build paths inside the project like this: os.path.join(BASE_DIR, ...)
BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))


# Quick-start development settings - unsuitable for production
# See https://docs.djangoproject.com/en/3.0/howto/deployment/checklist/

# SECURITY WARNING: keep the secret key used in production secret!
SECRET_KEY = 'l@q&!z!*#^b_v83bkcbxc2q0c_zk#w=9_6oz9pp38p#!-r&$!1'

# SECURITY WARNING: don't run with debug turned on in production!
DEBUG = True

ALLOWED_HOSTS = ['django-env.eba-au7pkejq.us-west-2.elasticbeanstalk.com', '127.0.0.1',
                 'django-env-3-oclock.eba-3bakdn28.us-west-2.elasticbeanstalk.com',
                 'http://django-env-3-oclock.eba-3bakdn28.us-west-2.elasticbeanstalk.com/',
                 'radiograph-models-env.eba-ctu2dpmp.us-east-1.elasticbeanstalk.com',
                 'radiology-ai-env.eba-wgmpba4k.us-west-2.elasticbeanstalk.com']
TINYMCE_DEFAULT_CONFIG = {
    'height': 360,
    'width': 1120,
    'cleanup_on_startup': True,
    'custom_undo_redo_levels': 20,
    'selector': 'textarea',
    'theme': 'modern',
    'plugins': '''
            textcolor save link image media preview codesample contextmenu
            table code lists fullscreen  insertdatetime  nonbreaking
            contextmenu directionality searchreplace wordcount visualblocks
            visualchars code fullscreen autolink lists  charmap print  hr
            anchor pagebreak
            ''',
    'toolbar1': '''
            fullscreen preview bold italic underline | fontselect,
            fontsizeselect  | forecolor backcolor | alignleft alignright |
            aligncenter alignjustify | indent outdent | bullist numlist table |
            | link image media | codesample |
            ''',
    'toolbar2': '''
            visualblocks visualchars |
            charmap hr pagebreak nonbreaking anchor |  code |
            ''',
    'contextmenu': 'formats | link image',
    'menubar': True,
    'statusbar': True,
    }
# Application definition

INSTALLED_APPS = [
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',
    'tinymce',
    'main'
]

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',
]

ROOT_URLCONF = 'mysite.urls'

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',
                'django.template.context_processors.csrf'
            ],
        },
    },
]

WSGI_APPLICATION = 'mysite.wsgi.application'
SESSION_COOKIE_SECURE = True
CSRF_COOKIE_SECURE = True

# Database
# https://docs.djangoproject.com/en/3.0/ref/settings/#databases

# DATABASES = {
#     'default': {
#         'ENGINE': 'django.db.backends.sqlite3',
#         'NAME': os.path.join(BASE_DIR, 'db.sqlite3'),
#     }
# }


# Password validation
# https://docs.djangoproject.com/en/3.0/ref/settings/#auth-password-validators

AUTH_PASSWORD_VALIDATORS = [
    {
        'NAME': 'django.contrib.auth.password_validation.UserAttributeSimilarityValidator',
    },
    {
        'NAME': 'django.contrib.auth.password_validation.MinimumLengthValidator',
    },
    {
        'NAME': 'django.contrib.auth.password_validation.CommonPasswordValidator',
    },
    {
        'NAME': 'django.contrib.auth.password_validation.NumericPasswordValidator',
    },
]


# Internationalization
# https://docs.djangoproject.com/en/3.0/topics/i18n/

LANGUAGE_CODE = 'en-us'

TIME_ZONE = 'EST'

USE_I18N = True

USE_L10N = True

USE_TZ = True


# Static files (CSS, JavaScript, Images)
# https://docs.djangoproject.com/en/3.0/howto/static-files/

STATIC_URL = 'static/'

MEDIA_ROOT = os.path.join(BASE_DIR, 'media')

STATIC_ROOT = os.path.join (BASE_DIR, 'static')

MEDIA_URL = 'media/'

Answer 1

您的 torch 包似乎正在尝试创建一个目录，但它没有写入权限，因此出现权限被拒绝错误。我不能确切地说出它试图创建目录的位置（它似乎在根目录中，即 /home/wsgi）。

我建议，如果您有权访问此 os.makedirs(model_dir)，请创建一个 tmp 目录，将其权限更改为 777 (chmod -R 777 tmp) 并将您的 model_dir 指向tmp 目录（即 path_to_temp/tmp/home/wsgi）

或者你可以在根目录下创建一个目录并更改它的权限。（我不确定，但我认为它会解决问题）

$ mkdir /home
$ chmod -R 777 /home

加载预训练模型的权限错误，Django，AWS

Permission Error Loading Pretrained Model, Django, AWS

python

django

web-deployment

amazon-web-services

deep-learning