导入错误与虚拟环境
我想设置我的Django应用程序使用Python 3.5的工作开始uwsgi(Python 2.7版默认值)时导入错误与虚拟环境
所以我在3.5中创建一个虚拟环境,并部署了我的Django项目。
我现在想要得到它与uwsgi工作
/etc/uwsgi/emperor.ini
[uwsgi]
emperor = etc/uwsgi/sites
logto = /var/log/uwsgi
/etc/uwsgi/sites/ams.ini
[uwsgi]
project = AMS
base = /home/user
chdir = %(base)/%(project)
#home = %(base)/.virtualenvs/%(project)
module = %(project).wsgi:application
master = true
processes = 5
socket = %(base)/%(project)/ams.sock
chmod-socket = 666
uid = user
gid = www-data
vacuum = true
logto = /var/log/uwsgi/log.log
/etc/systemd/system/uwsgi.service
[Unit]
Description=uWSGI Emperor service
After=syslog.target
[Service]
ExecStart=/usr/local/bin/uwsgi --http :8000 --emperor /etc/uwsgi/sites
Restart=always
KillSignal=SIGQUIT
Type=notify
StandardError=syslog
NotifyAccess=all
[Install]
WantedBy=multi-user.target
如果我从虚拟环境中开始uwsgi我可以成功启动
uwsgi --http :8080 --chdir /home/user/AMS -w AMS.wsgi
[pid: 31757|app: 0|req: 2/2] 203.94.69.162() {42 vars in 695 bytes} [Mon Apr 17 10:34:02 2017] GET /ams_tools/ => generated 146 bytes in 76 msecs (HTTP/1.1 200) 2 headers in 80 bytes (1 switches on core 0)
然而,当我开始uswgi作为服务我得到以下错误
*** Starting uWSGI 2.0.15 (64bit) on [Tue Apr 18 07:33:41 2017] ***
compiled with version: 5.4.0 20160609 on 17 April 2017 07:06:40
os: Linux-4.8.0-45-generiC#48~16.04.1-Ubuntu SMP Fri Mar 24 12:46:56 UTC 2017
nodename: ams-de1
machine: x86_64
clock source: unix
detected number of CPU cores: 8
current working directory: /etc/uwsgi/sites
detected binary path: /usr/local/bin/uwsgi
!!! no internal routing support, rebuild with pcre support !!!
setgid() to 33
set additional group 1002 (admin)
setuid() to 1002
chdir() to /home/dhanushka/CxenseAMS
your processes number limit is 256882
your memory page size is 4096 bytes
detected max file descriptor number: 1024
lock engine: pthread robust mutexes
thunder lock: disabled (you can enable it with --thunder-lock)
uwsgi socket 0 bound to UNIX address /home/dhanushka/CxenseAMS/ams.sock fd 3
Python version: 2.7.12 (default, Nov 19 2016, 06:48:10) [GCC 5.4.0 20160609]
*** Python threads support is disabled. You can enable it with --enable-threads ***
Python main interpreter initialized at 0xf3fd70
your server socket listen backlog is limited to 100 connections
your mercy for graceful operations on workers is 60 seconds
mapped 436560 bytes (426 KB) for 5 cores
*** Operational MODE: preforking ***
Traceback (most recent call last):
File "./CxenseAMS/wsgi.py", line 19, in <module>
application = get_wsgi_application()
File "/home/dhanushka/.virtualenvs/amsAPI/lib/python3.5/site-packages/django/core/wsgi.py", line 13, in get_wsgi_application
django.setup(set_prefix=False)
File "/home/dhanushka/.virtualenvs/amsAPI/lib/python3.5/site-packages/django/__init__.py", line 27, in setup
apps.populate(settings.INSTALLED_APPS)
File "/home/dhanushka/.virtualenvs/amsAPI/lib/python3.5/site-packages/django/apps/registry.py", line 108, in populate
app_config.import_models(all_models)
File "/home/dhanushka/.virtualenvs/amsAPI/lib/python3.5/site-packages/django/apps/config.py", line 199, in import_models
self.models_module = import_module(models_module_name)
File "/usr/lib/python2.7/importlib/__init__.py", line 37, in import_module
__import__(name)
File "./CxenseAMS/models.py", line 5, in <module>
class SegmentTrafficAbstract(models.Model):
File "/home/dhanushka/.virtualenvs/amsAPI/lib/python3.5/site-packages/django/db/models/base.py", line 119, in __new__
new_class.add_to_class('_meta', Options(meta, app_label))
File "/home/dhanushka/.virtualenvs/amsAPI/lib/python3.5/site-packages/django/db/models/base.py", line 316, in add_to_class
value.contribute_to_class(cls, name)
File "/home/dhanushka/.virtualenvs/amsAPI/lib/python3.5/site-packages/django/db/models/options.py", line 214, in contribute_to_class
self.db_table = truncate_name(self.db_table, connection.ops.max_name_length())
File "/home/dhanushka/.virtualenvs/amsAPI/lib/python3.5/site-packages/django/db/__init__.py", line 33, in __getattr__
return getattr(connections[DEFAULT_DB_ALIAS], item)
File "/home/dhanushka/.virtualenvs/amsAPI/lib/python3.5/site-packages/django/db/utils.py", line 211, in __getitem__
backend = load_backend(db['ENGINE'])
File "/home/dhanushka/.virtualenvs/amsAPI/lib/python3.5/site-packages/django/db/utils.py", line 115, in load_backend
return import_module('%s.base' % backend_name)
File "/usr/lib/python2.7/importlib/__init__.py", line 37, in import_module
__import__(name)
File "/home/dhanushka/.virtualenvs/amsAPI/lib/python3.5/site-packages/django/db/backends/postgresql/base.py", line 24, in <module>
raise ImproperlyConfigured("Error loading psycopg2 module: %s" % e)
django.core.exceptions.ImproperlyConfigured: Error loading psycopg2 module: No module named _psycopg
unable to load app 0 (mountpoint='') (callable not found or import error)
*** no app loaded. going in full dynamic mode ***
*** uWSGI is running in multiple interpreter mode ***
spawned uWSGI master process (pid: 3534)
spawned uWSGI worker 1 (pid: 3537, cores: 1)
spawned uWSGI worker 2 (pid: 3538, cores: 1)
spawned uWSGI worker 3 (pid: 3539, cores: 1)
spawned uWSGI worker 4 (pid: 3540, cores: 1)
spawned uWSGI worker 5 (pid: 3541, cores: 1)
我可以看到,它没有使用正确的蟒蛇版本。我试图给本地位置设置为/home/dhanushka/.virtualenvs/amsAPI但后来我得到
ImportError: No module named site
在PYTHONPATH参数的路径必须到python3解释,里面的virtualenv:
/[绝对路径针对Env] /斌/ python3
没有工作。我尝试了'venv =/home/dhanushka/.virtualenvs/amsAPI/lib/python3.5/site-packages /',并且没有站点包 –
也许是参数'pythonpath'。编辑我的答案以反映它。 – XaviP
到我的项目的路径是/ home/dhanushka/CxenseAMS,我的虚拟环境驻留在/home/dhanushka/.virtualenvs/amsAPI我试着将venv设置为两者,但是得到'ImportError:No module named site'。我怎样才能找出到虚拟env的正确路径应该是什么? '(amsAPI)dhanushka @ xxx:/ etc/uwsgi $ echo $ VIRTUAL_ENV /home/dhanushka/.virtualenvs/amsAPI' –