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我已經部署在Debian萊尼在服務器上運行一個Django項目進口。每次啓動以下警告時彈出：UserWarning：模塊_mysql已經從/usr/lib/pymodules/python2.6/_mysql.so
/var/www/environment/XXX/src/django-pytest/django_pytest/test_runner.py:3: UserWarning: Module _mysql was already imported from /usr/lib/pymodules/python2.6/_mysql.so, but /usr/lib/pymodules/python2.6 is being added to sys.path
from pkg_resources import load_entry_point
有特定的服務器上的多個Django項目，自己的virtualenv內的每個運行（通過PIP安裝Python包）。然而，他們也獲得了全系統的站點包（這是通過apt-get install安裝）。
這個特殊的項目有以下Python包：
$ /var/www/environment/XXX/bin/pip freeze --local
Django==1.2.4
Fabric==0.9.4
South==0.7.3
distribute==0.6.10
django-pagination==1.0.7
-e git+http://github.com/galileo-press/[email protected]#egg=django_pytest-0.1.4-py2.6-dev
django-sorting==0.1
django-templatetag-sugar==0.1
paramiko==1.7.6
py==1.4.3
pycrypto==2.3
pytest==2.0.0
在Debian中的python-MySQLdb的1.2.2-10 + B1安裝和文件住在
$ apt-file list python-mysqldb
python-mysqldb: /usr/lib/pyshared/python2.5/_mysql.so
python-mysqldb: /usr/lib/pyshared/python2.6/_mysql.so
python-mysqldb: /usr/share/pyshared/MySQL_python-1.2.2.egg-info/PKG-INFO
python-mysqldb: /usr/share/pyshared/MySQL_python-1.2.2.egg-info/SOURCES.txt
python-mysqldb: /usr/share/pyshared/MySQL_python-1.2.2.egg-info/dependency_links.txt
python-mysqldb: /usr/share/pyshared/MySQL_python-1.2.2.egg-info/top_level.txt
python-mysqldb: /usr/share/pyshared/MySQLdb/__init__.py
...
雖然這只是一個小小的煩惱，我真的很想解決這個問題。
任何人都可以幫忙嗎？
更新：下面是從蛋黃輸出：
Cheetah - 2.4.2.1 - active development (/usr/lib/pymodules/python2.6)
Django - 1.2.3 - non-active development (/usr/lib/pymodules/python2.6)
Django - 1.2.4 - active
Fabric - 0.9.4 - active
Jinja2 - 2.5.5 - active development (/usr/lib/pymodules/python2.6)
Logbook - 0.3 - active development (/usr/local/lib/python2.6/dist-packages/Logbook-0.3-py2.6-linux-x86_64.egg)
MarkupSafe - 0.9.2 - active development (/usr/lib/python2.6/dist-packages)
MySQL-python - 1.2.2 - active development (/usr/lib/pymodules/python2.6)
PIL - 1.1.7 - active development (/usr/lib/python2.6/dist-packages/PIL)
Python - 2.6.6 - active development (/usr/lib/python2.6/lib-dynload)
South - 0.7.3 - active
boto - 1.9b - active development (/usr/lib/pymodules/python2.6)
distribute - 0.6.10 - active
distribute - 0.6.14 - non-active development (/usr/lib/python2.6/dist-packages)
django-pagination - 1.0.7 - active
django-pytest - 0.1.4 - active development (/var/www/environment/XXX/src/django-pytest)
django-sorting - 0.1 - active
django-templatetag-sugar - 0.1 - active
flup - 1.0.2 - active development (/usr/lib/pymodules/python2.6)
lxml - 2.2.8 - active development (/usr/lib/python2.6/dist-packages)
mercurial - 1.6.4 - active development (/usr/lib/pymodules/python2.6)
paramiko - 1.7.6 - active
pip - 0.7.2 - active
psycopg2 - 2.2.1 - active development (/usr/lib/python2.6/dist-packages)
py - 1.3.3 - non-active development (/usr/lib/pymodules/python2.6)
py - 1.4.1 - non-active
py - 1.4.3 - active
pycrypto - 2.3 - active
pytest - 2.0.0 - active
python-amazon-product-api - 0.2.5a1 - active development (/var/www/environment/XXX/src/amazonproduct)
python-amazon-product-api - 0.2.5a1 - active development (/var/www/environment/XXX/src/amazonproduct)
python-amazon-product-api - 0.2.5a1 - non-active development (/usr/local/lib/python2.6/dist-packages/python_amazon_product_api-0.2.5a1-py2.6.egg)
python-amazon-product-api - 0.2.5a1 - non-active development (/usr/local/lib/python2.6/dist-packages/python_amazon_product_api-0.2.5a1-py2.6.egg)
python-dateutil - 1.4.1 - active development (/usr/lib/pymodules/python2.6)
setuptools - 0.6c11 - active development (/usr/lib/python2.6/dist-packages)
stdeb - 0.6.0 - active development (/usr/lib/pymodules/python2.6)
virtualenv - 1.4.9 - active development (/usr/lib/pymodules/python2.6)
web.py - 0.34 - active development (/usr/lib/pymodules/python2.6)
wsgiref - 0.1.2 - active development (/usr/lib/python2.6)
yolk - 0.4.1 - active
更新2：我sys.path s爲：
/var/www/environment/XXX/bin/python -c "import sys; print '\n'.join(sys.path)"
/var/www/environment/XXX/lib/python2.6/site-packages/distribute-0.6.10-py2.6.egg
/var/www/environment/XXX/lib/python2.6/site-packages/pip-0.7.2-py2.6.egg
/var/www/environment/XXX/src/django-pytest
/var/www/environment/XXX/src/amazonproduct
/var/www/environment/XXX/lib/python2.6
/var/www/environment/XXX/lib/python2.6/plat-linux2
/var/www/environment/XXX/lib/python2.6/lib-tk
/var/www/environment/XXX/lib/python2.6/lib-old
/var/www/environment/XXX/lib/python2.6/lib-dynload
/usr/lib/python2.6
/usr/lib64/python2.6
/usr/lib/python2.6/plat-linux2
/usr/lib/python2.6/lib-tk
/usr/lib64/python2.6/lib-tk
/var/www/environment/XXX/lib/python2.6/site-packages
/usr/local/lib/python2.6/dist-packages/Logbook-0.3-py2.6-linux-x86_64.egg
/usr/lib/python2.6/dist-packages/PIL
/usr/local/lib/python2.6/dist-packages/python_amazon_product_api-0.2.5a1-py2.6.egg
/usr/lib/pymodules/python2.6
/usr/local/lib/python2.6/site-packages
/usr/local/lib/python2.6/dist-packages
/usr/lib/python2.6/dist-packages
當python manage.py shell做同樣的我得到同樣的清單，的
/usr/lib64/python2.6
失蹤。
可以安裝蛋黃「PIP安裝蛋黃」中的virtualenv的內部，然後做蛋黃--list併發布您的結果？ –
@KenCochrane：該名單太長了，無法發表評論。我已將它添加到問題中。 – basti
所以蛋黃輸出顯示你只安裝了一個MySQL-python，這很好，但它不能回答原來的問題。你能編輯這個問題來添加你的sys.path嗎？也有你爲什麼用網站包創建你的virtualenv的原因嗎？如果無關緊要，請嘗試在沒有網站包的情況下創建一個新的virtualenv，並查看是否仍有相同的錯誤。這不是理想的，而是要嘗試的。 –