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1.open
ʹÓÃopen´ò¿ªÎļþºóÒ»¶¨Òª¼ÇµÃµ÷ÓÃÎļþ¶ÔÏóµÄclose()·½·¨¡£±ÈÈç¿ÉÒÔÓÃtry/finallyÓï¾äÀ´È·±£×îºóÄܹرÕÎļþ¡£
file_object = open('thefile.txt')
try:
     all_the_text = file_object.read( )
finally:
     file_object.close( )
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2.¶ÁÎļþ
¶ÁÎı¾Îļþ
input = open('data', 'r')
#µÚ¶þ¸ö²ÎÊýĬÈÏΪr
input = open('data')
 
¶Á¶þ½øÖÆÎļþ
input = open('data', 'rb')
 
¶ÁÈ¡ËùÓÐÄÚÈÝ
file_object = open('thefile.txt')
try:
     all_the_text = file_object.read( )
finally:
     file_object.close( )
 
¶Á¹Ì¶¨×Ö½Ú
file_object = open('abinfile', 'rb')
try:
    while True:
         chunk = file_object.read(100)
        if not chunk:
            break
         do_something_with(chunk)
finally:
     file_object.close( )
 
¶ÁÿÐÐ
list_of_all_the_lines = file_object.readlines( )
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for line in file_object:
     process line
 
3.дÎļþ
дÎı¾Îļþ
output = open('data', 'w')
 
д¶þ½øÖÆÎļþ
output = open('data', 'wb')
 
×·¼ÓдÎļþ
output = open('data', 'w+')
 
дÊý¾Ý
file_object = open('thefile.txt', 'w')
file_object.write(all_the_text)
file_object.close( )
 
дÈë¶àÐÐ
file_object.writelines(list_of_text_strings)
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Python Ï̳߳صÄʵÏÖ

import urllib2
import time
import socket
from datetime import datetime
from thread_pool import *

def main():
url_list = {"sina":"http://www.sina.com.cn",
"sohu":"http://www.sohu.com",
"yahoo":"http://www.yahoo.com",
"xiaonei":"http://www.x ......

PythonÖÐreactor,factory,protocolµÄѧϰ±Ê¼Ç


PythonÖÐreactor,factory,protocolµÄѧϰ±Ê¼Ç
 
 
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LinuxÏÂpython lxmlÄ£¿éµÄ°²×°

ÐèÒªÏȰ²×°libxml2-devel libxslt-develÕâÁ½¸örpm°ü£¬Èç¹ûʹÓ÷ÇrootÓû§°²×°£¬¿ÉÒÔÏÂÔØlibxml2ºÍlibxsltµÄÔ´´úÂë½øÐа²×°¡£ libxml2-devel¡¢libxslt-devel×°ºÃºó£¬½âѹlxmlµÄ°ü£¬Çл»µ½Õâ¸ö°üµÄ·¾¶¡£
¼ÓÈëCFLAGS½øÐбàÒëºÍ°²×°£¬ÔÚshellÏÂÒÀ´ÎÊäÈëÈçÏÂÃüÁ CFLAGS=-I/usr/include/libxml2:/usr/include/libxslt/ ......

pythonµÄ±ä²Î


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def func(a,b, *c):
    pass
º¯ÊýfuncÖÁÉÙÓÐÁ½¸ö²ÎÊý±ä²ÎÊý·ÅÔÚtuple  cÖÐ
def func(*c): »òÕß def  func(**d ......

Python TKinter Gui: Toplevel window

#from pp3e Chapter 9.3
#############################################################################
# popup three new window, with style
# destroy() kills one window, quit() kills all windows and app; top-level
# windows have title, icon, iconify/deiconify and protocol for wm events;
# there ......
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