[英]Django Runserver error while executing "Python manage.py runserver"
C:\Users\SRIRAM_CHIVO\AppData\Local\Programs\Python\Python38\Scripts\FirstDjango
Proj>python manage.py runserver
Exception ignored in thread started by: <function check_errors.<locals>.wrapper
at 0x00000000038D00D0>
Traceback (most recent call last):
File "C:\Users\SRIRAM_CHIVO\AppData\Local\Programs\Python\Python38\lib\site-pa
ckages\django\utils\autoreload.py", line 228, in wrapper
fn(*args, **kwargs)
File "C:\Users\SRIRAM_CHIVO\AppData\Local\Programs\Python\Python38\lib\site-pa
ckages\django\core\management\commands\runserver.py", line 117, in inner_run
autoreload.raise_last_exception()
File "C:\Users\SRIRAM_CHIVO\AppData\Local\Programs\Python\Python38\lib\site-pa
ckages\django\utils\autoreload.py", line 251, in raise_last_exception
six.reraise(*_exception)
File "C:\Users\SRIRAM_CHIVO\AppData\Local\Programs\Python\Python38\lib\site-pa
ckages\django\utils\six.py", line 685, in reraise
raise value.with_traceback(tb)
File "C:\Users\SRIRAM_CHIVO\AppData\Local\Programs\Python\Python38\lib\site-pa
ckages\django\utils\autoreload.py", line 228, in wrapper
fn(*args, **kwargs)
File "C:\Users\SRIRAM_CHIVO\AppData\Local\Programs\Python\Python38\lib\site-pa
ckages\django\__init__.py", line 27, in setup
apps.populate(settings.INSTALLED_APPS)
File "C:\Users\SRIRAM_CHIVO\AppData\Local\Programs\Python\Python38\lib\site-pa
ckages\django\apps\registry.py", line 85, in populate
app_config = AppConfig.create(entry)
File "C:\Users\SRIRAM_CHIVO\AppData\Local\Programs\Python\Python38\lib\site-pa
ckages\django\apps\config.py", line 94, in create
module = import_module(entry)
File "C:\Users\SRIRAM_CHIVO\AppData\Local\Programs\Python\Python38\lib\importl
ib\__init__.py", line 127, in import_module
return _bootstrap._gcd_import(name[level:], package, level)
File "<frozen importlib._bootstrap>", line 1014, in _gcd_import
File "<frozen importlib._bootstrap>", line 991, in _find_and_load
File "<frozen importlib._bootstrap>", line 975, in _find_and_load_unlocked
File "<frozen importlib._bootstrap>", line 671, in _load_unlocked
File "<frozen importlib._bootstrap_external>", line 783, in exec_module
File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed
File "C:\Users\SRIRAM_CHIVO\AppData\Local\Programs\Python\Python38\lib\site-pa
ckages\django\contrib\admin\__init__.py", line 4, in <module>
from django.contrib.admin.filters import (
File "C:\Users\SRIRAM_CHIVO\AppData\Local\Programs\Python\Python38\lib\site-pa
ckages\django\contrib\admin\filters.py", line 10, in <module>
from django.contrib.admin.options import IncorrectLookupParameters
File "C:\Users\SRIRAM_CHIVO\AppData\Local\Programs\Python\Python38\lib\site-pa
ckages\django\contrib\admin\options.py", line 12, in <module>
from django.contrib.admin import helpers, widgets
SyntaxError: Generator expression must be parenthesized (widgets.py, line 152)
Django版本安装成功-1.11.10 python version-3.8.1
项目已创建,manage.py 也已创建。
但是当我尝试运行服务器时,在这个大段落中抛出一个错误:帮我解决这个问题?
我也发生了同样的情况,但这个问题是一个小问题,因为如果您的系统上有多个 Python 版本,您可以通过运行python3
或您想要的任何版本来选择特定的 Python 版本。 所以你应该从头开始,先卸载 Django,然后创建一个虚拟环境,决定你想要放置它的目录,然后使用目录路径将venv
模块作为脚本运行:
python3 -m venv tutorial-env
如果它不存在,这将创建 tutorial-env 目录,并在其中创建目录。创建虚拟环境后,您可以激活它。
在 Windows 上,运行:
tutorial-env\Scripts\activate.bat
在 Unix 或 MacOS 上,运行:
source tutorial-env/bin/activate
现在,在命令提示符中,确保您的虚拟环境处于活动状态,并执行以下命令:
py -m pip install Django
注意:如果django-admin
无论给出什么参数都只显示帮助文本,则 Windows 中的文件关联可能有问题。 检查是否在PATH
设置了多个用于运行 Python 脚本的环境变量。 这通常发生在安装了多个 Python 版本时。
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