Python Ï̱߳à³Ì
ÎÒÃÇÔÚ×öÈí¼þ¿ª·¢µÄʱºòºÜ¶àÒªÓõ½¶àÏ̼߳¼Êõ¡£ÀýÈçÈç¹û×öÒ»¸öÏÂÔØÈí¼þÏóflashget¾ÍÒªÓõ½¡¢ÏóÔÚÏßÊÓƵ¹¤¾ßrealplayerÒ²ÒªÓõ½ÒòΪҪͬʱÏÂÔØmedia stream»¹Òª²¥·Å¡£ÆäʵÀý×ÓÊǺܶàµÄ¡£
Ïß³ÌÏà¶Ô½ø³ÌÀ´ËµÊÇ“ÇáÁ¿¼¶”µÄ£¬²Ù×÷ϵͳÓýÏÉÙµÄ×ÊÔ´´´½¨ºÍ¹ÜÀíÏ̡߳£³ÌÐòÖеÄÏß³ÌÔÚÏàͬµÄÄÚ´æ¿Õ¼äÖÐÖ´ÐУ¬²¢¹²ÏíÐí¶àÏàͬµÄ×ÊÔ´¡£
ÔÚpython
ÖÐÈçºÎ´´½¨Ò»¸öÏ̶߳ÔÏó
Èç¹ûÄãÒª´´½¨Ò»¸öÏ̶߳ÔÏ󣬺ܼòµ¥£¬Ö»ÒªÄãµÄÀà¼Ì³Ðthreading.Thread
£¬È»ºóÔÚ__init__
ÀïÊ×Ïȵ÷ÓÃthreading.Thread
µÄ__init__
·½·¨¼´¿É
import threading
class mythread(threading.Thread):
def __init__(self, threadname):
threading.Thread.__init__(self, name = threadname)
....
Õâ²Å½ö½öÊǸö¿ÕỊ̈߳¬Îҿɲ»ÊÇÒªËûÀ¿Õ³µµÄ£¬Ëû¿ÉµÃ¸øÎҸɵãʵÔڻºÜ¼òµ¥£¬ÖØдÀàµÄrun()
·½·¨¼´¿É£¬°ÑÄãÒªÔÚÏß³ÌÖ´ÐÐʱ×öµÄÊÂÇ鶼·Åµ½ÀïÃæ
import threading
import time
class mythread(threading.Thread):
def __init__(...):
....
def run(self):
for i in range(10):
print self.getName, i
time.sleep(1)
ÒÔÉÏ´úÂëÎÒÃÇÈÃÕâ¸öÏß³ÌÔÚÖ´ÐÐÖ®ºóÿ¸ô1ÃëÊä³öÒ»´ÎÐÅÏ¢µ½ÆÁÄ»£¬10´Îºó½áÊø
getName()
ÊÇthreading.Thread
ÀàµÄÒ»¸ö·½·¨£¬ÓÃÀ´»ñµÃÕâ¸öÏ̶߳ÔÏóµÄname
¡£»¹ÓÐÒ»¸ö·½·¨setName()
µ±È»¾ÍÊÇÀ´ÉèÖÃÕâ¸öÏ̶߳ÔÏóµÄname
µÄÁË¡£
Èç¹ûÒª´´½¨Ò»¸öỊ̈߳¬Ê×ÏȾÍÒªÏÈ´´½¨Ò»¸öÏ̶߳ÔÏó
mythread1 = mythread('mythread 1')
Ò»¸öÏ̶߳ÔÏó±»´´½¨ºó£¬Ëû¾Í´¦ÓÚ“born
”£¨µ®Éú״̬£©
ÈçºÎÈÃÕâ¸öÏ̶߳ÔÏó¿ªÊ¼ÔËÐÐÄØ?Ö»Òªµ÷ÓÃÏ̶߳ÔÏóµÄstart()
·½·¨¼´¿É
mythread1.start()
ÏÖÔÚÏ߳̾ʹ¦ÓÚ“ready
”״̬»òÕßÒ²³ÆΪ“runnable
”״̬¡£
Ææ¹ÖÂ𣿲»ÊÇÒѾstart
ÁËÂð£¿ÎªÊ²Ã´²»³ÆΪ“running
”״̬ÄØ£¿ÆäʵÊÇÓÐÔÒòµÄ¡£ÒòΪÎÒÃǵļÆËã»úÒ»°ãÊDz»¾ßÓÐÕæÕý²¢Ðд¦ÀíÄÜÁ¦µÄ¡£ÎÒÃÇËùνµÄ¶àÏß³ÌÖ»ÊÇ°Ñʱ¼ä·Ö³ÉƬ¶Î£¬È»ºó¸ôÒ»¸öʱ¼ä¶Î¾ÍÈÃÒ»¸öÏß³ÌÖ´ÐÐһϣ¬È»ºó½øÈë“sleeping
”״̬£¬È»ºó»½ÐÑÁíÒ»¸öÔÚ“sleeping
”µÄỊ̈߳¬Èç´ËÑ»·runnable->sleeping->runnable...
£¬Ö»ÊÇÒòΪ¼ÆËã»úÖ´ÐÐËٶȺܿ죬¶øʱ¼äƬ¶Î¼ä¸ôºÜС£¬ÎÒÃǸÐÊܲ»µ½£¬ÒÔΪÊÇͬʱ½øÐеġ£ËùÒÔ˵һ¸öÏß³ÌÔÚstart
ÁËÖ®ºóÖ»ÊÇ´¦ÔÚÁË¿ÉÒÔÔËÐеÄ״̬£¬ËûʲôʱºòÔËÐл¹ÊÇÓÉϵͳÀ´½øÐе÷¶ÈµÄ¡£
ÄÇÒ»¸öÏß³Ìʲôʱºò»á&ldqu
Ïà¹ØÎĵµ£º
▾ hide table of contents
0. ¡ü ÏÔʾÍêÕûĿ¼
1. ÉîÈë#
2. ²¼¶ûÀàÐÍ#
3. ÊýÖµÀàÐÍ#
1. ½«ÕûÊýÇ¿ÖÆת»»Îª¸¡µãÊý¼°·´Ïòת»»#
2. ³£¼ûÊýÖµÔËËã#
3. ·ÖÊý#
4. Èý½Çº¯Êý#
5. ²¼¶ûÉÏÏÂÎÄ»·¾³ÖеÄÊýÖµ#
4. Áбí#
1. ´´½¨Áбí#
......
ÏÂÃæÁгöPythonÕýÔò±í´ïʽµÄ¼¸ÖÖÆ¥ÅäÓ÷¨£º
1.²âÊÔÕýÔò±í´ïʽÊÇ·ñÆ¥Åä×Ö·û´®µÄÈ«²¿»ò²¿·Ö
regex=ur"" #ÕýÔò±í´ïʽ
if re.search(regex, subject):
do_something()
else:
do_anotherthing()
2.²âÊÔÕýÔò±í´ïʽÊÇ·ñÆ¥ÅäÕû¸ö×Ö·û´®
regex=ur"\Z" #ÕýÔò±í´ïʽĩβÒÔ\ ......
ÏеÄÎÞÁľͿ´ÁËÒ»µã¹ØÓÚpythonµÄ»ù´¡ÖªÊ¶£¬µ±Ê±Ò²²»ÖªµÀpythonºÍperlÖ®¼äÕùÂÛµÄÕâôµÄ¼¤ÁÒ£¨Ö÷ÒªÊǵ±Ê±²»ÖªµÀperlÕâ¸öÓïÑÔµÄÐÔÖÊ),ËùÒÔÖ±½Ó¾Í¿´ÁËpython£¬ÏÂÃæÊÇÎҵĵÚÒ»¸öÓÃpythonдµÄС³ÌÐòÔ´Â룬ϣÍûÅóÓÑÃǶà¶àÖ¸½Ì£¬ÓÐʲôÎÊÌâ´ó¼Ò¾¡¹ÜÖ¸Õý£¬ÔÚ´ËÏÈлл´ó¼ÒÁË¡£
[code]
#!/usr/bin/python
import sys, os, re
impor ......
Öð²½Ñݽø
f=open('/etc/motd','r')
longest=0
while True:
lineLen=len(f.readline().strip())
if not lineLen: break
if lineLen > longest:
longest=lineLen
f.close()
return longest
ÎÊÌâ£ºÒ»Ö±Õ¼Ó ......
±³¾°
ÏîÄ¿µÄ
×Ô¶¯»¯²âÊÔÖÐÒѾʹÓÃÁË»ùÓÚPython
½Å±¾µÄ¿ò¼Ü£¬×Ô¶¯»¯¹ý³ÌÖÐ×î¹Ø¼üµÄÎÊÌâ¾ÍÊÇÈçºÎʵÏÖ׮ģ¿é¡£ÔËÓÃ
Python
Ç¿´óµÄ¹¦ÄÜ£¬ÊµÏÖÈκÎ׮ģ¿é¶¼ÊÇ¿ÉÄܵģ¬µ«ÊÇÊÇ·ñ±ØÐëÍêȫʹÓÃ
Python
ʵÏÖÄ£¿éÂß¼£¬³É±¾ÊÇÒ»¸ö¾ö¶¨ÐÔÒòËØ¡£ÔÚ׮ģ¿éÂß¼¼òµ¥µÄÇé¿öÏ£¬Ê¹ÓÃ
Python
Ä£ÄâÄ£¿éÂß¼²»µ«Ê¹×Ô¶¯»¯²âÊԵĽṹÇå ......