python

安装：

# wget --no-check-certificate https://www.python.org/ftp/python/2.6.2/Python-2.6.2.tgz

# tar -zxf Python-2.6.2.tgz

 

# ./configure --prefix=/usr/local/python-2.6.2

# vi Makefile

-DSVNVERSION=\"1.8.8\"

# make

# make install

 

覆盖老版本的Python

# mv /usr/bin/python /usr/bin/python-delete

# ln -s /usr/local/python-2.6.2/bin/python /usr/bin/python

 

pip

$ sudo python -m ensurepip --upgrade

Password:

The directory '/Users/admin/Library/Logs/pip' or its parent directory is not owned by the current user and the debug log has been disabled. Please check the permissions and owner of that directory. If executing pip with sudo, you may want sudo's -H flag.

Ignoring indexes: https://pypi.python.org/simple

The directory '/Users/admin/Library/Caches/pip/http' or its parent directory is not owned by the current user and the cache has been disabled. Please check the permissions and owner of that directory. If executing pip with sudo, you may want sudo's -H flag.

Requirement already up-to-date: setuptools in /System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python

Collecting pip

Installing collected packages: pip

 

Successfully installed pip-6.1.1

 

 

# >python Sample1.py
# hello, world

class Feature: 
	'feature'
	def __init__(self, att, value): 
		self._att = att
		self._value = value
		
	def att(self):
		"att"
		return self._att
		
	def value(self):
		"value"
		return self._value

if __name__ == '__main__': 
	print("hello, world")
	f = Feature("att1", "value of att1")
	print(f.att())
	print(f.value())







# >python Sample1.py
# 


import socket

if __name__ == '__main__': 
	print("hello, world")
	s = socket.socket()
	host = socket.gethostname()
	s.bind(("localhost", 12345))
	s.listen(5)
	
	print("startup...")
	
	while True: 
		c, addr = s.accept()
		print('remote address', addr)
	
		c.send(("hello, world").encode())
	
		c.close()
	










# >python Sample1.py
# 


import socket

if __name__ == '__main__': 
	print("hello, world")
	s = socket.socket()
	host = socket.gethostname()
	s.connect(("localhost", 12345))
	print ((s.recv(1024)).decode())
	s.close()