from flask import Flask
app=Flask(__name__)
@app.route('/')
def hello_world():
return "Hello World~~~"
if __name__ == '__main__':
app.run()
from flask import Flask
app = Flask(__name__)
def hello():
return "Hello World!"
yum install openssh-server python --version(查看是否是符合的版本) yum install python-setuptools easy_install virtualenv(系统默认安装了easy_install2.6) virtualenv
from flask import Flask
app = Flask(__name__)
@app.route('/')
def hello_world():
return "Hello World!"
if __name__ == '__main__':
app.run(host='0.0.0.0')
[root@localhost opt]# mkdir myweb [root@localhost opt]#cd myweb [root@localhost myweb]# virtualenv venv(注意:这里的venv目录名字是自己设定的) New python executable in venv/bin/python Installing setuptools, pip...done.
[root@localhost venv]# . bin/activate #激活(每次运行都有是激活状态) (venv)[root@localhost venv]#
(venv)[root@localhost venv]# pip install Flask #只需开始执行一次 ...... Successfully installed Flask Werkzeug Jinja2 itsdangerous markupsafe Cleaning up...
[root@localhost python3.3.3]# wget https://bootstrap.pypa.io/ez_setup.py [root@localhost python3.3.3]# python3.3 ez_setup.py (一定要指定3.3的执行文件,不然会使用系统的默认python) [root@localhost python3.3.3]# easy_install
[root@www python3.3]# python3.3 ez_setup.py Extracting in /tmp/tmpj462kb Traceback (most recent call last): File "ez_setup.py", line 332, in <module> sys.exit(main()) File "ez_setup.py", line 329, in main return _install(archive, _build_install_args(options)) File "ez_setup.py", line 51, in _install with archive_context(archive_filename): File "/usr/local/python3.3/lib/python3.3/contextlib.py", line 48, in __enter__ return next(self.gen) File "ez_setup.py", line 101, in archive_context archive.extractall() File "/usr/local/python3.3/lib/python3.3/zipfile.py", line 1232, in extractall self.extract(zipinfo, path, pwd) File "/usr/local/python3.3/lib/python3.3/zipfile.py", line 1220, in extract return self._extract_member(member, path, pwd) File "/usr/local/python3.3/lib/python3.3/zipfile.py", line 1282, in _extract_member with self.open(member, pwd=pwd) as source, \ File "/usr/local/python3.3/lib/python3.3/zipfile.py", line 1202, in open close_fileobj=not self._filePassed) File "/usr/local/python3.3/lib/python3.3/zipfile.py", line 649, in __init__ self._decompressor = _get_decompressor(self._compress_type) File "/usr/local/python3.3/lib/python3.3/zipfile.py", line 612, in _get_decompressor return zlib.decompressobj(-15) AttributeError: 'NoneType' object has no attribute 'decompressobj' [root@www python3.3]#
yum install build-essential libssl-dev libxml2-dev libbz2-dev libjpeg62-dev libreadline5-dev wv poppler-utils zlib1g zlib1g-dev zlibc libghc6-zlib-dev zlibc
[root@www python3.3]# easy_install-3.3 virtualenv
Searching for virtualenv
Reading https://pypi.python.org/simple/virtualenv/
Download error on https://pypi.python.org/simple/virtualenv/: unknown url type: https -- Some packages may not be found!
Couldn't find index page for 'virtualenv' (maybe misspelled?)
Scanning index of all packages (this may take a while)
Reading https://pypi.python.org/simple/
Download error on https://pypi.python.org/simple/: unknown url type: https -- Some packages may not be found!
No local packages or download links found for virtualenv
error: Could not find suitable distribution for Requirement.parse('virtualenv')
[root@www python3.3]#
[root@www python3.3]# wget https://pypi.python.org/packages/source/v/virtualenv/virtualenv-1.9.tar.gz#md5=e03b76752b8ce7eee67c6298414cac79 [root@www python3.3]# ls bin ez_setup.py include lib setuptools-5.2.zip share virtualenv-1.9.tar.gz [root@www python3.3]# easy_install-3.3 virtualenv-1.9.tar.gz Processing virtualenv-1.9.tar.gz Writing /tmp/easy_install-quwwll/virtualenv-1.9/setup.cfg Running virtualenv-1.9/setup.py -q bdist_egg --dist-dir /tmp/easy_install-quwwll/virtualenv-1.9/egg-dist-tmp-xhue8r warning: no previously-included files matching '*' found under directory 'docs/_templates' warning: no previously-included files matching '*' found under directory 'docs/_build' Adding virtualenv 1.9 to easy-install.pth file Installing virtualenv script to /usr/local/python3.3/bin Installing virtualenv-3.3 script to /usr/local/python3.3/bin Installed /usr/local/python3.3/lib/python3.3/site-packages/virtualenv-1.9-py3.3.egg Processing dependencies for virtualenv==1.9 Finished processing dependencies for virtualenv==1.9 [root@www python3.3]# vi vi vigr virtualenv virtualenv-3.3 view vipw virtualenv-2.6 visudo
[root@lujie ~]# yum groupinstall "Development tools" [root@lujie ~]#yum install zlib-devel bzip2-devel openssl-devel ncurses-devel
$ easy_install <package_name> $ easy_install "<package_name>==<version>"
$ easy_install -U "<package_name>>=<version>"
$ pip install <package_name> $ pip install <package_name>==<version>
$ pip install --upgrade <package_name>>=<version>
$ pip uninstall <package_name>
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