jinja2 render返回错误

对象没有jinja2属性吧搜索utils.py检查用到jinja2的地方

utils.py

def __getitem__(self, alias):

try:

return self._engines[alias]

except KeyError:

try:

params = self.templates[alias]

except KeyError:

raise InvalidTemplateEngineError(

"Could not find config for '{}' "

"in settings.TEMPLATES".format(alias))

# If importing or initializing the backend raises an exception,

# self._engines[alias] isn't set and this code may get executed

# again, so we must preserve the original params. See #24265.

params = params.copy()

backend = params.pop('BACKEND')

engine_cls = import_string(backend)

engine = engine_cls(params)

self._engines[alias] = engine

return engine

def __iter__(self):

return iter(self.templates)

def all(self):

return [self[alias] for alias in self]

/usr/bin/python3.5 "/mnt/hgfs/Mega 云同步/编程/python/meiduo/mido/meiduo_mall/manage.py" runserver

/usr/local/lib/python3.5/dist-packages/PyMySQL-0.9.3-py3.5.egg/pymysql/_auth.py:10: CryptographyDeprecationWarning: Python 3.5 support will be dropped in the next release ofcryptography. Please upgrade your Python.

BASE_DIR的路径: /mnt/hgfs/Mega 云同步/编程/python/meiduo/mido/meiduo_mall/meiduo_mall

导包路径: ['/mnt/hgfs/Mega 云同步/编程/python/meiduo/mido/meiduo_mall', '/usr/local/lib/python3.5/dist-packages/PyMySQL-0.9.3-py3.5.egg', '/mnt/hgfs/Mega 云同步/编程/python/meiduo/mido', '/mnt/hgfs/Mega 云同步/编程/python/meiduo/mido/meiduo_mall/meiduo_mall', '/mnt/hgfs/Mega 云同步/编程/python/meiduo/mido/meiduo_mall', '/usr/lib/python35.zip', '/usr/lib/python3.5', '/usr/lib/python3.5/plat-x86_64-linux-gnu', '/usr/lib/python3.5/lib-dynload', '/home/python/.local/lib/python3.5/site-packages', '/usr/local/lib/python3.5/dist-packages', '/usr/lib/python3/dist-packages', '/home/python/Desktop/pycharm-2018.3.6/helpers/pycharm_matplotlib_backend']

添加应用路径后的导包路径: ['/mnt/hgfs/Mega 云同步/编程/python/meiduo/mido/meiduo_mall/meiduo_mall/apps', '/mnt/hgfs/Mega 云同步/编程/python/meiduo/mido/meiduo_mall', '/usr/local/lib/python3.5/dist-packages/PyMySQL-0.9.3-py3.5.egg', '/mnt/hgfs/Mega 云同步/编程/python/meiduo/mido', '/mnt/hgfs/Mega 云同步/编程/python/meiduo/mido/meiduo_mall/meiduo_mall', '/mnt/hgfs/Mega 云同步/编程/python/meiduo/mido/meiduo_mall', '/usr/lib/python35.zip', '/usr/lib/python3.5', '/usr/lib/python3.5/plat-x86_64-linux-gnu', '/usr/lib/python3.5/lib-dynload', '/home/python/.local/lib/python3.5/site-packages', '/usr/local/lib/python3.5/dist-packages', '/usr/lib/python3/dist-packages', '/home/python/Desktop/pycharm-2018.3.6/helpers/pycharm_matplotlib_backend']

BASE_DIR的路径: /mnt/hgfs/Mega 云同步/编程/python/meiduo/mido/meiduo_mall/meiduo_mall

Performing system checks...

System check identified no issues (0 silenced).

You have unapplied migrations; your app may not work properly until they are applied.

Run 'python manage.py migrate' to apply them.

September 26, 2020 - 13:58:07

Django version 1.8, using settings 'meiduo_mall.settings.bev'

Starting development server at http://127.0.0.1:8000/

Quit the server with CONTROL-C.

**************************************************

ERROR base 256 Internal Server Error: /register/

Traceback (most recent call last):

File "/usr/local/lib/python3.5/dist-packages/django/template/utils.py", line 84, in __getitem__

return self._engines[alias]

KeyError: 'jinja2'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):

File "/usr/local/lib/python3.5/dist-packages/django/core/handlers/base.py", line 132, in get_response

response = wrapped_callback(request, *callback_args, **callback_kwargs)

File "/usr/local/lib/python3.5/dist-packages/django/views/generic/base.py", line 71, in view

return self.dispatch(request, *args, **kwargs)

File "/usr/local/lib/python3.5/dist-packages/django/views/generic/base.py", line 89, in dispatch

return handler(request, *args, **kwargs)

File "/mnt/hgfs/Mega 云同步/编程/python/meiduo/mido/meiduo_mall/meiduo_mall/apps/users/views.py", line 16, in get

return render(request,'cs.html')

File "/usr/local/lib/python3.5/dist-packages/django/shortcuts.py", line 67, in render

template_name, context, request=request, using=using)

File "/usr/local/lib/python3.5/dist-packages/django/template/loader.py", line 98, in render_to_string

template = get_template(template_name, using=using)

File "/usr/local/lib/python3.5/dist-packages/django/template/loader.py", line 29, in get_template

engines = _engine_list(using)

File "/usr/local/lib/python3.5/dist-packages/django/template/loader.py", line 144, in _engine_list

return engines.all() if using is None else [engines[using]]

File "/usr/local/lib/python3.5/dist-packages/django/template/utils.py", line 108, in all

return [self[alias] for alias in self]

File "/usr/local/lib/python3.5/dist-packages/django/template/utils.py", line 108, in <listcomp>

return [self[alias] for alias in self]

File "/usr/local/lib/python3.5/dist-packages/django/template/utils.py", line 99, in __getitem__

engine = engine_cls(params)

TypeError: 'module' object is not callable

[26/Sep/2020 13:58:16]"GET /register/ HTTP/1.1" 500 138188

是搭建Django环境运行 python manage.py runserver 没起来吗？

不用jinja2 就没问题我换win10运行也有问题

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