Ò׽ؽØͼÈí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

pythonÄ£¿é

¼ò½é
ÄãÒѾ­Ñ§Ï°ÁËÈçºÎÔÚÄãµÄ³ÌÐòÖж¨ÒåÒ»´Îº¯Êý¶øÖØÓôúÂë¡£Èç¹ûÄãÏëÒªÔÚÆäËû³ÌÐòÖÐÖØÓúܶຯÊý£¬ÄÇôÄã¸ÃÈçºÎ±àд³ÌÐòÄØ£¿Äã¿ÉÄÜÒѾ­²Âµ½ÁË£¬´ð°¸ÊÇʹÓÃÄ£¿é¡£Ä£¿é»ù±¾ÉϾÍÊÇÒ»¸ö°üº¬ÁËËùÓÐÄ㶨ÒåµÄº¯ÊýºÍ±äÁ¿µÄÎļþ¡£ÎªÁËÔÚÆäËû³ÌÐòÖÐÖØÓÃÄ£¿é£¬Ä£¿éµÄÎļþÃû±ØÐëÒÔ.pyΪÀ©Õ¹Ãû¡£
Ä£¿é¿ÉÒÔ´ÓÆäËû³ÌÐò ÊäÈë ÒÔ±ãÀûÓÃËüµÄ¹¦ÄÜ¡£ÕâÒ²ÊÇÎÒÃÇʹÓÃPython±ê×¼¿âµÄ·½·¨¡£Ê×ÏÈ£¬ÎÒÃǽ«Ñ§Ï°ÈçºÎʹÓñê×¼¿âÄ£¿é¡£
ʹÓÃsysÄ£¿é
#!/usr/bin/python
#filename:sys.py
import sys
print "the command line arguments are:"
for i in sys.argv:
 print i
print ' The PYTHONPATH is', sys.path, ' '
Êä³ö½á¹ûÊÇ£º
windyang@windyang-desktop:~/python$ python sys.py
the command line arguments are:
sys.py
 The PYTHONPATH is ['/home/windyang/python', '/usr/lib/python2.6', '/usr/lib/python2.6/plat-linux2', '/usr/lib/python2.6/lib-tk', '/usr/lib/python2.6/lib-old', '/usr/lib/python2.6/lib-dynload', '/usr/lib/python2.6/dist-packages', '/usr/lib/python2.6/dist-packages/PIL', '/usr/lib/python2.6/dist-packages/gst-0.10', '/var/lib/python-support/python2.6', '/usr/lib/python2.6/dist-packages/gtk-2.0', '/var/lib/python-support/python2.6/gtk-2.0', '/usr/local/lib/python2.6/dist-packages'] 
ËüÈçºÎ¹¤×÷
Ê×ÏÈ£¬ÎÒÃÇÀûÓÃimportÓï¾ä ÊäÈë sysÄ£¿é¡£»ù±¾ÉÏ£¬Õâ¾äÓï¾ä¸æËßPython£¬ÎÒÃÇÏëҪʹÓÃÕâ¸öÄ£¿é¡£sysÄ£¿é°üº¬ÁËÓëPython½âÊÍÆ÷ºÍËüµÄ»·¾³Óйصĺ¯Êý¡£
µ±PythonÖ´ÐÐimport sysÓï¾äµÄʱºò£¬ËüÔÚsys.path±äÁ¿ÖÐËùÁÐĿ¼ÖÐÑ°ÕÒsys.pyÄ£¿é¡£Èç¹ûÕÒµ½ÁËÕâ¸öÎļþ£¬Õâ¸öÄ£¿éµÄÖ÷¿éÖеÄÓï¾ä½«±»ÔËÐУ¬È»ºóÕâ¸öÄ£¿é½«Äܹ»±»Äã ʹÓà ¡£×¢Ò⣬³õʼ»¯¹ý³Ì½öÔÚÎÒÃÇ µÚÒ»´Î ÊäÈëÄ£¿éµÄʱºò½øÐС£ÁíÍ⣬“sys”ÊÇ“system”µÄËõд¡£
sysÄ£¿éÖеÄargv±äÁ¿Í¨¹ýʹÓõãºÅÖ¸Ã÷——sys.argv——ÕâÖÖ·½·¨µÄÒ»¸öÓÅÊÆÊÇÕâ¸öÃû³Æ²»»áÓëÈκÎÔÚÄãµÄ³ÌÐòÖÐʹÓõÄargv±äÁ¿³åÍ»¡£ÁíÍ⣬ËüÒ²ÇåÎúµØ±íÃ÷ÁËÕâ¸öÃû³ÆÊÇsysÄ£¿éµÄÒ»²¿·Ö¡£
sys.argv±äÁ¿ÊÇÒ»¸ö×Ö·û´®µÄ ÁÐ±í £¨Áбí»áÔÚºóÃæµÄÕ½ÚÏêϸ½âÊÍ£©¡£ÌرðµØ£¬sys.argv°üº¬ÁË ÃüÁîÐвÎÊý µÄÁÐ±í£¬¼´Ê¹ÓÃÃüÁîÐд«µÝ¸øÄãµÄ³ÌÐòµÄ²ÎÊý¡£
ÕâÀµ±ÎÒÃÇÖ´ÐÐpython using_sys.py we are argumentsµÄʱºò£¬ÎÒÃÇʹÓÃpythonÃ


Ïà¹ØÎĵµ£º

pythonÄ£¿éÖ®ConfigParser: ÓÃpython½âÎöÅäÖÃÎļþ

ÔÚ³ÌÐòÖÐʹÓÃÅäÖÃÎļþÀ´Áé»îµÄÅäÖÃһЩ²ÎÊýÊÇÒ»¼þºÜ³£¼ûµÄÊÂÇ飬ÅäÖÃÎļþµÄ½âÎö²¢²»¸´ÔÓ£¬ÔÚpythonÀï¸üÊÇÈç´Ë£¬ÔÚ¹Ù·½·¢²¼µÄ¿âÖоͰüº¬ÓÐ×öÕâ¼þÊÂÇé
µÄ¿â£¬ÄǾÍÊÇConfigParser£¬ÕâÀï¼òµ¥µÄ×öһЩ½éÉÜ¡£
   
ConfigParser½âÎöµÄÅäÖÃÎļþµÄ¸ñʽ±È½ÏÏóiniµÄÅäÖÃÎļþ¸ñʽ£¬¾ÍÊÇÎļþÖÐÓɶà¸ösection¹¹³É£ ......

Ò»¸ö¼õÉÙ¶à½ø³ÌÏÂpythonÄÚ´æÕ¼ÓõÄС¼¼ÇÉ

¡¡¡¡ÔÚpythonÖÐÈç¹ûҪʹÓÃfork»òÕßmultiprocessÀ´×ö¶à½ø³Ì£¬¼ÙÈçimportµÄ¿âºÜ¶à»òÕߺܴó£¬ÀýÈçwxpython£¬²é¿´¸÷½ø³ÌµÄÄÚ´æÕ¼ÓÃÄã»á·¢ÏÖÁ½¸ö½ø³ÌµÄÄÚ´æÕ¼Óûù±¾ÉÏÏàͬ£¬»»¾ä»°Ëµ£¬Èç¹ûµÚ¶þ¸ö½ø³Ì¸ù±¾²»ÐèÒªÓõ½wxµÄÄÚÈÝ£¬ËüÒ²»á±»¼ÓÔص½ÄÚ´æµ±ÖÐÈ¥¡£¾ÍÄÃwxÀ´×öÀý×Ó£¬Ã»ÓÐimport t wxÕ¼Óôó¸Å8M+Äڴ棬һµ©import wx£¬ÄÚ´æÂíÉ ......

PythonÖеĵ¥Ôª²âÊÔ

   ½ñÍíÊÔÁËÒ»ÏÂPython×Ô´øµÄµ¥Ôª²âÊÔ£¬Ö÷ÒªÊDzο¼ÁËPythonµ¥Ôª²âÊÔ¿ò¼Ü
µÄÓйØ×ÊÁÏ£¬ÕÛÌÚÁËÒ»¸öСʱ×óÓÒ£¬×ÜËãÔÚEric 4ͨ¹ýµÄ¼¸¸ö¼òµ¥µÄµ¥Ôª²âÊÔ¡£ÔÚÕâÀォËùµÃµÄÏà¹Ø֪ʶ¼Ç¼ÏÂÀ´£¬·½±ã½«À´²éѯ¡£
    python×Ô´øµÄµ¥Ôª²âÊÔÄ£¿éÊÇunittest£¬´Ó2.1ÒÔºóΪ±ê×¼¿âµÄÒ»²¿·Ö
    1 ......

Python±ê×¼¿â tracebackÄ£¿é

Example 2-18 չʾÁË traceback Ä£¿éÔÊÐíÄãÔÚ³ÌÐòÀï´òÓ¡Òì³£µÄ¸ú×Ù·µ»Ø
(Traceback)ÐÅÏ¢, ÀàËÆ䲶»ñÒ쳣ʱ½âÊÍÆ÷Ëù×öµÄ. Èç Example 2-18 Ëùʾ. 2.11.0.1. Example
2-18. ʹÓà traceback Ä£¿é´òÓ¡¸ú×Ù·µ»ØÐÅÏ¢ File: traceback-example-1.py # note!
import
Example 2-18 չʾÁË traceback Ä£¿éÔÊÐíÄãÔÚ³ÌÐòÀï´òÓ¡Òì³£ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØͼ | ¸ÓICP±¸09004571ºÅ