Python学习——（1）Centos安装Flask

一、环境

[root@localhost myproject]# cat /proc/version

centos6.5

Linux version 2.6.32-642.11.1.el6.i686 (mockbuild@c1bm.rdu2.centos.org) (gcc version 4.4.7 20120313 (Red Hat 4.4.7-17) (GCC) ) #1 SMP Fri Nov 18 18:48:28 UTC 2016

二、操作

1、

yum groupinstall "Development tools"

2、

yum install zlib-devel bzip2-devel openssl-devel ncurses-devel sqlite-devel

3、

替换默认的python2.6.6

 mv /usr/bin/python /usr/bin/python2.6.6

vim /usr/bin/yum将#!/usr/bin/python 替换成#!/usr/bin/python2.6.6（因为python2.7不支持yum）

wget https://www.python.org/ftp/python/2.7.11/Python-2.7.11.tgz

tar vxf Python-2.7.11.tgz

cd Python-2.7.11.tgz

./configure --prefix=/usr/local

make && make install

4、安装pip

第一种方法（离线安装）

 wget https://pypi.python.org/packages/ff/d4/209f4939c49e31f5524fa0027bf1c8ec3107abaf7c61fdaad704a648c281/setuptools-21.0.0.tar.gz#md5=81964fdb89534118707742e6d1a1ddb4

tar vxf setuptools-21.0.0.tar.gz 
cd setuptools-21.0.0
python setup.py  install

第二种方法（在线安装）

wget https://bootstrap.pypa.io/get-pip.pypython2.7 get-pip.py

修改环境变量

vim /etc/profile添加export PATH=$PATH:/hom    e/wang/Python2.7.10/bin执行生效source /etc/profile

执行pip查看结果

 [root@localhost myproject]# pip

Usage:

  pip [options]

Commands:

  install                     Install packages.

  download                    Download packages.

  uninstall                   Uninstall packages.

  freeze                      Output installed packages in requirements format.

  list                        List installed packages.

  show                        Show information about installed packages.

  check                       Verify installed packages have compatible dependencies.

  search                      Search PyPI for packages.

  wheel                       Build wheels from your requirements.

  hash                        Compute hashes of package archives.

  completion                  A helper command used for command completion.

  help                        Show help for commands.

General Options:

  -h, --help                  Show help.

  --isolated                  Run pip in an isolated mode, ignoring environment

                              variables and user configuration.

  -v, --verbose               Give more output. Option is additive, and can be

                              used up to 3 times.

  -V, --version               Show version and exit.

  -q, --quiet                 Give less output. Option is additive, and can be

                              used up to 3 times (corresponding to WARNING,

                              ERROR, and CRITICAL logging levels).

  --log                Path to a verbose appending log.

  --proxy             Specify a proxy in the form

                              [user:passwd@]proxy.server:port.

  --retries         Maximum number of retries each connection should

                              attempt (default 5 times).

  --timeout             Set the socket timeout (default 15 seconds).

  --exists-action    Default action when a path already exists:

                              (s)witch, (i)gnore, (w)ipe, (b)ackup, (a)bort.

  --trusted-host   Mark this host as trusted, even though it does not

                              have valid or any HTTPS.

  --cert               Path to alternate CA bundle.

  --client-cert        Path to SSL client certificate, a single file

                              containing the private key and the certificate in

                              PEM format.

  --cache-dir

          Store the cache data in

.

  --no-cache-dir              Disable the cache.

  --disable-pip-version-check

                              Don't periodically check PyPI to determine whether

                              a new version of pip is available for download.

                              Implied with --no-index.

5、参考网址：http://docs.jinkan.org/docs/flask/installation.html#virtualenv

pip install virtualenv

$ mkdir myproject 

$ cd myproject 

$ virtualenv venv 

New python executable in venv/bin/python
Installing distribute............done.

$ . venv/bin/activate

$ pip install Flask