python settings模块_Python settings.PROJECT_ROOT属性代码示例

以下是一个示例代码，展示了如何在 Django 的 settings 模块中使用 PROJECT_ROOT 属性：

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__)))

# Define the project root directory
PROJECT_ROOT = os.path.abspath(os.path.dirname(__name__))

# Other settings...

在这个示例中，我们使用了 os 模块来获取当前文件的绝对路径，然后使用 dirname() 函数获取它的上级目录，从而得到了项目的根目录。我们将这个路径赋值给 PROJECT_ROOT 属性，以便在其他地方使用。

相关问题

nd for pyqt5== (env) [root@host-10-180-209-45 ~]# pip install pyqt5==5.15.0 -i https://pypi.douban.com/simple Looking in indexes: https://pypi.douban.com/simple Collecting pyqt5==5.15.0 Downloading https://pypi.doubanio.com/packages/8c/90/82c62bbbadcca98e8c6fa84f1a638de1ed1c89e85368241e9cc43fcbc320/PyQt5-5.15.0.tar.gz (3.3 MB) ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 3.3/3.3 MB 2.5 MB/s eta 0:00:00 Installing build dependencies ... done Getting requirements to build wheel ... done Preparing metadata (pyproject.toml) ... error error: subprocess-exited-with-error × Preparing metadata (pyproject.toml) did not run successfully. │ exit code: 1 ╰─> [22 lines of output] Traceback (most recent call last): File "/root/python/env/lib/python3.8/site-packages/pip/_vendor/pyproject_hooks/_in_process/_in_process.py", line 353, in <module> main() File "/root/python/env/lib/python3.8/site-packages/pip/_vendor/pyproject_hooks/_in_process/_in_process.py", line 335, in main json_out['return_val'] = hook(**hook_input['kwargs']) File "/root/python/env/lib/python3.8/site-packages/pip/_vendor/pyproject_hooks/_in_process/_in_process.py", line 152, in prepare_metadata_for_build_wheel whl_basename = backend.build_wheel(metadata_directory, config_settings) File "/tmp/pip-build-env-uzsc1n8a/overlay/lib64/python3.8/site-packages/sipbuild/api.py", line 46, in build_wheel project = AbstractProject.bootstrap('wheel', File "/tmp/pip-build-env-uzsc1n8a/overlay/lib64/python3.8/site-packages/sipbuild/abstract_project.py", line 87, in bootstrap project.setup(pyproject, tool, tool_description) File "/tmp/pip-build-env-uzsc1n8a/overlay/lib64/python3.8/site-packages/sipbuild/project.py", line 586, in setup self.apply_user_defaults(tool) File "project.py", line 62, in apply_user_defaults super().apply_user_defaults(tool) File "/tmp/pip-build-env-uzsc1n8a/overlay/lib/python3.8/site-packages/pyqtbuild/project.py", line 70, in apply_user_defaults super().apply_user_defaults(tool) File "/tmp/pip-build-env-uzsc1n8a/overlay/lib64/python3.8/site-packages/sipbuild/project.py", line 237, in apply_user_defaults self.builder.apply_user_defaults(tool) File "/tmp/pip-build-env-uzsc1n8a/overlay/lib/python3.8/site-packages/pyqtbuild/builder.py", line 69, in apply_user_defaults raise PyProjectOptionException('qmake', sipbuild.pyproject.PyProjectOptionException [end of output] note: This error originates from a subprocess, and is likely not a problem with pip. error: metadata-generation-failed × Encountered error while generating package metadata. ╰─> See above for output. note: This is an issue with the package mentioned above, not pip.

这个错误可能是由于 pyqt5==5.15.0 的构建要求问题导致的。建议检查一下相关要求是否正确，并确保已安装必要的构建依赖项。另外，也可以尝试更新 pip 版本，然后再次运行安装命令。需要注意的是，这个问题不是由 pip 引起的，而是由这个包本身引起的。如果问题仍然存在，请尝试联系包的开发人员获取更多帮助。

Django settings for application project. Generated by 'django-admin startproject' using Django 3.2.3.

这是 Django 项目的设置文件，由 `django-admin startproject` 命令生成，使用的是 Django 3.2.3 版本。该文件包含了项目的基本配置，如数据库设置、静态文件路径、中间件、应用程序列表等等。

示例配置文件如下：

import os

BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))

SECRET_KEY = 'your-secret-key'

DEBUG = True

ALLOWED_HOSTS = []

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

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 = 'project.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',
            ],
        },
    },
]

WSGI_APPLICATION = 'project.wsgi.application'

DATABASES = {
    'default': {
        'ENGINE': 'django.db.backends.sqlite3',
        'NAME': BASE_DIR / 'db.sqlite3',
    }
}

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',
    },
]

LANGUAGE_CODE = 'en-us'

TIME_ZONE = 'UTC'

USE_I18N = True

USE_L10N = True

USE_TZ = True

STATIC_URL = '/static/'