python，django，pip一些查看版本，升级版本的命令
一、pip
1、pip下载安装
1.1 pip下载
1 | # wget "https://pypi.python.org/packages/source/p/pip/pip-1.5.4.tar.gz#md5=834b2904f92d46aaa333267fb1c922bb" --no-check-certificate |
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1.2 pip安装
1 2 3 | # tar -xzvf pip-1.5.4.tar.gz # cd pip-1.5.4 # python setup.py install |
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2. pip使用详解
2.1 pip安装包
1 2 3 | # pip install SomePackage [...] Successfully installed SomePackage |
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2.2 pip查看已安装的包
1 2 3 4 5 6 7 | # pip show --files SomePackage Name: SomePackage Version: 1.0 Location: /my/env/lib/pythonx.x/site-packages Files: ../somepackage/__init__.py [...] |
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2.3 pip检查哪些包需要更新
1 2 | # pip list --outdated SomePackage (Current: 1.0 Latest: 2.0) |
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2.4 pip升级包
1 2 3 4 5 6 7 | # pip install --upgrade SomePackage [...] Found existing installation: SomePackage 1.0 Uninstalling SomePackage: Successfully uninstalled SomePackage Running setup.py install for SomePackage Successfully installed SomePackage |
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2.5 pip卸载包
1 2 3 4 5 | $ pip uninstall SomePackage Uninstalling SomePackage: /my/env/lib/pythonx.x/site-packages/somepackage Proceed (y/n)? y Successfully uninstalled SomePackage |
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3. pip使用实例
3.1 安装redis
1 | # pip install redis |
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3.2 卸载redis
1 2 3 4 5 6 | # 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 |
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3.3 查看待更新包
1 2 3 4 | 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) |
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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
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 | # 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. |
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二、常用升级命令
1.把pip、django升级到最新
python -m pip install --upgrade
pip install --upgrade django2.查看pip的版本
pip --version
pip -V3.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 makemigrations2.设置超级管理员
python manage.py createsuperuser3.初始化不成功时，启用这个
python manage.py migrate --fake-initial