python, django, pip some command to view version, upgrade version

1. pip

1. pip download and install

1.1 pip download

# wget "https://pypi.python.org/packages/source/p/pip/pip-1.5.4.tar.gz#md5=834b2904f92d46aaa333267fb1c922bb" --no-check-certificate

1.2 pip install

# tar -xzvf pip-1.5.4.tar.gz
# cd pip-1.5.4
# python setup.py install

 

2. Detailed explanation of pip use

2.1 pip installation package

# pip install SomePackage
 [...]
 Successfully installed SomePackage

2.2 pip to view installed packages

# pip show --files SomePackage
 Name: SomePackage
 Version: 1.0
 Location: /my/env/lib/pythonx.x/site-packages
 Files:
  ../somepackage/__init__.py
  [...]

2.3 pip checks which packages need to be updated

# pip list --outdated
 SomePackage (Current: 1.0 Latest: 2.0)

2.4 pip upgrade package

# pip install --upgrade SomePackage
 [...]
 Found existing installation: SomePackage 1.0
 Uninstalling SomePackage:
   Successfully uninstalled SomePackage
 Running setup.py install for SomePackage
 Successfully installed SomePackage

2.5 pip uninstall package

$ pip uninstall SomePackage
 Uninstalling SomePackage:
   /my/env/lib/pythonx.x/site-packages/somepackage
 Proceed (y/n)? y
 Successfully uninstalled SomePackage

         

3. pip使用实例

3.1 安装redis              

# pip install redis

3.2 卸载redis

# pip uninstall redis
Uninstalling redis:
 /usr/lib/python2.6/site-packages/redis-2.9.1-py2.6.egg-info
.....省略一些内容....
Proceed (y/n)? y
 Successfully uninstalled redis

3.3 查看待更新包

pip list --outdate
pygpgme (Current: 0.1 Latest: 0.3)
pycurl (Current: 7.19.0 Latest: 7.19.3.1)
iniparse (Current: 0.3.1 Latest: 0.4)

 

4. 常见错误

4.1 ImportError No module named setuptools
请参考《ImportError No module named setuptools解决》

 

5. pip参数解释

# pip --help

Usage:
 pip <command> [options]

Commands:
 install                     安装包.
 uninstall                   卸载包.
 freeze                      按着一定格式输出已安装包列表
 list                        列出已安装包.
 show                        显示包详细信息.
 search                      搜索包，类似yum里的search.
 wheel                       Build wheels from your requirements.
 zip                         不推荐. Zip individual packages.
 unzip                       不推荐. Unzip individual packages.
 bundle                      不推荐. Create pybundles.
 help                        当前帮助.

General Options:
 -h, --help                  显示帮助.
 -v, --verbose               更多的输出，最多可以使用3次
 -V, --version               现实版本信息然后退出.
 -q, --quiet                 最少的输出.
 --log-file <path>           覆盖的方式记录verbose错误日志，默认文件：/root/.pip/pip.log
 --log <path>                不覆盖记录verbose输出的日志.
 --proxy <proxy>             Specify a proxy in the form [user:passwd@]proxy.server:port.
 --timeout <sec>             连接超时时间 (默认15秒).
 --exists-action <action>    Default action when a path already exists: (s)witch, (i)gnore, (w)ipe, (b)ackup.
 --cert <path>               证书.

 

二、常用升级命令

1.把pip、django升级到最新

python -m pip install --upgrade
pip install --upgrade django

 

2.查看pip的版本

pip --version
pip -V

 

3.查看django版本

python
import django
django.VERSION

 

三、常用操作初始化数据库，设置超管命令

1.初始化

python manage.py migrate
python manage.py makemigrations

2.设置超级管理员

python manage.py createsuperuser

3.初始化不成功时，启用这个

python manage.py migrate --fake-initial

 

 

参考文档：

1.https://blog.csdn.net/crisschan/article/details/53214439