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[英]Change the python2.7 package to my required python3.5 package when use virtualenv
[英]Why does django 1.9 keeps using python2.7 when my virtualenv have python3.5?
我的python版本有問題,我實際上在Windows 7下用python3.5開發了一個網頁。但是在我的服務器(CentOS 7)中,我用python3.5創建了一個virtualenv(因為linux中python的默認版本是2.7)。
問題是當我收到錯誤時,它說 django 正在使用 python2.7:
Request Method: GET
Request URL: http://proyect/url/
Django Version: 1.9.8
Exception Type: UnicodeEncodeError
Exception Value:
'ascii' codec can't encode character u'\xed' in position 9: ordinal not in range(128)
Exception Location: /usr/lib/python2.7/site-packages/django/utils/encoding.py in force_text, line 80
Python Executable: /usr/bin/python
Python Version: 2.7.5
Python Path:
['/home/user/proyect',
'/home/user/proyect_env/lib/python3.5/site-packages',
'/usr/lib64/python27.zip',
'/usr/lib64/python2.7',
'/usr/lib64/python2.7/plat-linux2',
'/usr/lib64/python2.7/lib-tk',
'/usr/lib64/python2.7/lib-old',
'/usr/lib64/python2.7/lib-dynload',
'/usr/lib64/python2.7/site-packages',
'/usr/lib64/python2.7/site-packages/gtk-2.0',
'/usr/lib/python2.7/site-packages']
我幾乎 100% 確定顯示此消息是因為 django 使用了錯誤的 Python 版本。
在我的 django.conf 里面 /etc/httpd/conf.d/ 我有這個配置:
WSGIDaemonProcess proyect python-path=/home/user/proyect:/home/user/proyect_env/lib/python3.5/site-packages
WSGIProcessGroup project
WSGIScriptAlias / /home/user/proyect/proyect/wsgi.py
我按照本教程來配置我的服務器。
編輯 #1在遵循@Ixer 指示后,我在 /etc/httpd/logs/error_log 中得到了這個錯誤回溯
7:49:05.114720 2016] [:error] [pid 14836] [remote 10.105.40.106:49676] mod_wsgi (pid=14836): Exception occurred processing WSGI script '/home/user/proyect/proyect/wsgi.py'.
[Tue Sep 20 17:49:05.114779 2016] [:error] [pid 14836] [remote 10.105.40.106:49676] Traceback (most recent call last):
[Tue Sep 20 17:49:05.114810 2016] [:error] [pid 14836] [remote 10.105.40.106:49676] File "/usr/lib/python2.7/site-packages/django/core/handlers/wsgi.py", line 158, in __call__
[Tue Sep 20 17:49:05.114862 2016] [:error] [pid 14836] [remote 10.105.40.106:49676] self.load_middleware()
[Tue Sep 20 17:49:05.114883 2016] [:error] [pid 14836] [remote 10.105.40.106:49676] File "/usr/lib/python2.7/site-packages/django/core/handlers/base.py", line 51, in load_middleware
[Tue Sep 20 17:49:05.114910 2016] [:error] [pid 14836] [remote 10.105.40.106:49676] mw_class = import_string(middleware_path)
[Tue Sep 20 17:49:05.114926 2016] [:error] [pid 14836] [remote 10.105.40.106:49676] File "/usr/lib/python2.7/site-packages/django/utils/module_loading.py", line 20, in import_string
[Tue Sep 20 17:49:05.114951 2016] [:error] [pid 14836] [remote 10.105.40.106:49676] module = import_module(module_path)
[Tue Sep 20 17:49:05.114966 2016] [:error] [pid 14836] [remote 10.105.40.106:49676] File "/usr/lib64/python2.7/importlib/__init__.py", line 37, in import_module
[Tue Sep 20 17:49:05.114991 2016] [:error] [pid 14836] [remote 10.105.40.106:49676] __import__(name)
[Tue Sep 20 17:49:05.115007 2016] [:error] [pid 14836] [remote 10.105.40.106:49676] File "/usr/lib/python2.7/site-packages/django/contrib/auth/middleware.py", line 3, in <module>
[Tue Sep 20 17:49:05.115031 2016] [:error] [pid 14836] [remote 10.105.40.106:49676] from django.contrib.auth.backends import RemoteUserBackend
[Tue Sep 20 17:49:05.115046 2016] [:error] [pid 14836] [remote 10.105.40.106:49676] File "/usr/lib/python2.7/site-packages/django/contrib/auth/backends.py", line 4, in <module>
[Tue Sep 20 17:49:05.115070 2016] [:error] [pid 14836] [remote 10.105.40.106:49676] from django.contrib.auth.models import Permission
[Tue Sep 20 17:49:05.115085 2016] [:error] [pid 14836] [remote 10.105.40.106:49676] File "/usr/lib/python2.7/site-packages/django/contrib/auth/models.py", line 4, in <module>
[Tue Sep 20 17:49:05.115109 2016] [:error] [pid 14836] [remote 10.105.40.106:49676] from django.contrib.auth.base_user import AbstractBaseUser, BaseUserManager
[Tue Sep 20 17:49:05.115124 2016] [:error] [pid 14836] [remote 10.105.40.106:49676] File "/usr/lib/python2.7/site-packages/django/contrib/auth/base_user.py", line 49, in <module>
[Tue Sep 20 17:49:05.115148 2016] [:error] [pid 14836] [remote 10.105.40.106:49676] class AbstractBaseUser(models.Model):
[Tue Sep 20 17:49:05.115163 2016] [:error] [pid 14836] [remote 10.105.40.106:49676] File "/usr/lib/python2.7/site-packages/django/db/models/base.py", line 94, in __new__
[Tue Sep 20 17:49:05.115187 2016] [:error] [pid 14836] [remote 10.105.40.106:49676] app_config = apps.get_containing_app_config(module)
[Tue Sep 20 17:49:05.115203 2016] [:error] [pid 14836] [remote 10.105.40.106:49676] File "/usr/lib/python2.7/site-packages/django/apps/registry.py", line 239, in get_containing_app_config
[Tue Sep 20 17:49:05.115226 2016] [:error] [pid 14836] [remote 10.105.40.106:49676] self.check_apps_ready()
[Tue Sep 20 17:49:05.115241 2016] [:error] [pid 14836] [remote 10.105.40.106:49676] File "/usr/lib/python2.7/site-packages/django/apps/registry.py", line 124, in check_apps_ready
[Tue Sep 20 17:49:05.115263 2016] [:error] [pid 14836] [remote 10.105.40.106:49676] raise AppRegistryNotReady("Apps aren't loaded yet.")
編輯 #2
問題解決了,情況是當我通過 pip install -r requirements.txt 安裝應用程序時,出於某種原因,它們安裝在 python 2.7 下(即使我采購了 virtualenv activate)。 所以我所做的是通過 /home/user/project_env/bin/pip install -r 要求再次安裝應用程序......這修復了錯誤,但現在我遇到了應用程序問題:
[Tue Sep 20 21:34:49.998172 2016] [:error] [pid 18220] [remote 10.105.40.106:172] mod_wsgi (pid=18220): Target WSGI script '/home/user/project/project/wsgi.py' cannot be loaded as Python module.
[Tue Sep 20 21:34:49.998207 2016] [:error] [pid 18220] [remote 10.105.40.106:172] mod_wsgi (pid=18220): Exception occurred processing WSGI script '/home/rortega/smce/smce/wsgi.py'.
[Tue Sep 20 21:34:49.998229 2016] [:error] [pid 18220] [remote 10.105.40.106:172] Traceback (most recent call last):
[Tue Sep 20 21:34:49.998255 2016] [:error] [pid 18220] [remote 10.105.40.106:172] File "/home/user/project/project/wsgi.py", line 33, in <module>
[Tue Sep 20 21:34:49.998314 2016] [:error] [pid 18220] [remote 10.105.40.106:172] application = get_wsgi_application()
[Tue Sep 20 21:34:49.998326 2016] [:error] [pid 18220] [remote 10.105.40.106:172] File "/home/user/project_env/lib/python3.5/site-packages/django/core/wsgi.py", line 13, in get_wsgi_application
[Tue Sep 20 21:34:49.998362 2016] [:error] [pid 18220] [remote 10.105.40.106:172] django.setup()
[Tue Sep 20 21:34:49.998372 2016] [:error] [pid 18220] [remote 10.105.40.106:172] File "/home/user/project_env/lib/python3.5/site-packages/django/__init__.py", line 18, in setup
[Tue Sep 20 21:34:49.998406 2016] [:error] [pid 18220] [remote 10.105.40.106:172] apps.populate(settings.INSTALLED_APPS)
[Tue Sep 20 21:34:49.998417 2016] [:error] [pid 18220] [remote 10.105.40.106:172] File "/home/user/project_env/lib/python3.5/site-packages/django/apps/registry.py", line 85, in populate
[Tue Sep 20 21:34:49.998516 2016] [:error] [pid 18220] [remote 10.105.40.106:172] app_config = AppConfig.create(entry)
[Tue Sep 20 21:34:49.998527 2016] [:error] [pid 18220] [remote 10.105.40.106:172] File "/home/user/project_env/lib/python3.5/site-packages/django/apps/config.py", line 90, in create
[Tue Sep 20 21:34:49.998590 2016] [:error] [pid 18220] [remote 10.105.40.106:172] module = import_module(entry)
[Tue Sep 20 21:34:49.998601 2016] [:error] [pid 18220] [remote 10.105.40.106:172] File "/usr/lib64/python2.7/importlib/__init__.py", line 37, in import_module
[Tue Sep 20 21:34:49.998637 2016] [:error] [pid 18220] [remote 10.105.40.106:172] __import__(name)
[Tue Sep 20 21:34:49.998647 2016] [:error] [pid 18220] [remote 10.105.40.106:172] File "/home/user/project_env/lib/python3.5/site-packages/stdimage/__init__.py", line 5, in <module>
[Tue Sep 20 21:34:49.998676 2016] [:error] [pid 18220] [remote 10.105.40.106:172] from .models import StdImageField # NOQA
[Tue Sep 20 21:34:49.998686 2016] [:error] [pid 18220] [remote 10.105.40.106:172] File "/home/user/project_env/lib/python3.5/site-packages/stdimage/models.py", line 14, in <module>
[Tue Sep 20 21:34:49.998751 2016] [:error] [pid 18220] [remote 10.105.40.106:172] from PIL import Image, ImageOps
[Tue Sep 20 21:34:49.998761 2016] [:error] [pid 18220] [remote 10.105.40.106:172] File "/home/user/project_env/lib/python3.5/site-packages/PIL/Image.py", line 67, in <module>
[Tue Sep 20 21:34:49.999163 2016] [:error] [pid 18220] [remote 10.105.40.106:172] from PIL import _imaging as core
[Tue Sep 20 21:34:49.999185 2016] [:error] [pid 18220] [remote 10.105.40.106:172] ImportError: cannot import name _imaging
您需要從 Python 3 的源代碼重建mod_wsgi 。
下載mod_wsgi 。 打開包裝。
tar xvfz mod_wsgi-X.Y.tar.gz
為 Python 3.5 配置:
./configure --with-apxs=/usr/local/apache/bin/apxs \
--with-python=/path/to/python3.5
制作和安裝:
make
make install
但推薦使用 Nginx/Uwsgi 或 Nginx/Gunicorn。 為python2和python3配置很容易。
該手冊似乎不正確,因為它沒有說明如何在服務器上使用 virtualenv。 即使 apache 配置的最后一行指向一個 wsgi 配置,它也沒有解釋那里應該有什么。
嘗試這樣的事情:
#/home/user/project/project/wsgi.py
import os
import sys
import site
# Add the site-packages of the chosen virtualenv to work with
site.addsitedir('~/.virtualenvs/myprojectenv/local/lib/python3.5/site-packages')
# Add the app's directory to the PYTHONPATH
sys.path.append('/home/django_projects/MyProject')
sys.path.append('/home/django_projects/MyProject/myproject')
os.environ['DJANGO_SETTINGS_MODULE'] = 'myproject.settings'
# Activate your virtual env
activate_env=os.path.expanduser("~/.virtualenvs/myprojectenv/bin/activate_this.py")
execfile(activate_env, dict(__file__=activate_env))
import django.core.handlers.wsgi
application = django.core.handlers.wsgi.WSGIHandler()
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