python中有哪些常用的命令行选项-创新互联
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一、命令行选项
1.解释器选项
python的解释器非常像unix的shell,在我们使用python的过程中,我们可以指定很多的选项。
比如,最常用的选项如下:
python script.py
在非交互的模式中,整个输入选项在代码执行前被执行。所有的命令行选项可以通过sys.argv来获取。
Note:
sys.argv的第一个参数sys.argv[0] 表程序的源文件。
1. python -c
在命令行中执行python的代码,命令可以是一个或者多个python的语句段,语句段的书写格式和源码中的写法相同。
如果使用-c选项,sys.argv的第一个参数sys.argv[0]是-c,并且当前的目录被添加到sys.path变量中。
代码可以用单引号或者双引号括起来。
2. python -m [parameter]
在sys.path变量中,找到模块,执行 的__main__。
在这种情况下sys.argv的第一个参数是模块的全路径。
比如:在本地启动一个简单的server
python -m SimpleHTTPServer 8080
3. python -
从标准输入读入语句并执行
Note:
当前的目录会被加入到sys.path变量中,sys.argv[0]是-。
4. python
基本
文件
流程
错误
SQL
调试
- 请求信息 : 2026-10-04 08:34:16 HTTP/1.1 GET : /article/jesgi.html
- 运行时间 : 1.2193s ( Load:0.0013s Init:0.0007s Exec:0.7340s Template:0.4833s )
- 吞吐率 : 0.82req/s
- 内存开销 : 469.85 kb
- 查询信息 : 12 queries 5 writes
- 文件加载 : 36
- 缓存信息 : 0 gets 0 writes
- 配置加载 : 130
- 会话信息 : SESSION_ID=7g1qj9t7v29tpr3ok11ac63sq0
- /home/wwwroot/bluegullmediac/wwwroot/index.php ( 1.09 KB )
- /home/wwwroot/bluegullmediac/wwwroot/ThinkPHP/ThinkPHP.php ( 4.61 KB )
- /home/wwwroot/bluegullmediac/wwwroot/ThinkPHP/Library/Think/Think.class.php ( 12.26 KB )
- /home/wwwroot/bluegullmediac/wwwroot/ThinkPHP/Library/Think/Storage.class.php ( 1.37 KB )
- /home/wwwroot/bluegullmediac/wwwroot/ThinkPHP/Library/Think/Storage/Driver/File.class.php ( 3.52 KB )
- /home/wwwroot/bluegullmediac/wwwroot/ThinkPHP/Mode/common.php ( 2.82 KB )
- /home/wwwroot/bluegullmediac/wwwroot/ThinkPHP/Common/functions.php ( 53.56 KB )
- /home/wwwroot/bluegullmediac/wwwroot/ThinkPHP/Library/Think/Hook.class.php ( 4.01 KB )
- /home/wwwroot/bluegullmediac/wwwroot/ThinkPHP/Library/Think/App.class.php ( 13.49 KB )
- /home/wwwroot/bluegullmediac/wwwroot/ThinkPHP/Library/Think/Dispatcher.class.php ( 14.79 KB )
- /home/wwwroot/bluegullmediac/wwwroot/ThinkPHP/Library/Think/Route.class.php ( 13.36 KB )
- /home/wwwroot/bluegullmediac/wwwroot/ThinkPHP/Library/Think/Controller.class.php ( 11.23 KB )
- /home/wwwroot/bluegullmediac/wwwroot/ThinkPHP/Library/Think/View.class.php ( 7.59 KB )
- /home/wwwroot/bluegullmediac/wwwroot/ThinkPHP/Library/Behavior/BuildLiteBehavior.class.php ( 3.68 KB )
- /home/wwwroot/bluegullmediac/wwwroot/ThinkPHP/Library/Behavior/ParseTemplateBehavior.class.php ( 3.88 KB )
- /home/wwwroot/bluegullmediac/wwwroot/ThinkPHP/Library/Behavior/ContentReplaceBehavior.class.php ( 1.91 KB )
- /home/wwwroot/bluegullmediac/wwwroot/ThinkPHP/Conf/convention.php ( 11.15 KB )
- /home/wwwroot/bluegullmediac/wwwroot/App/Common/Conf/config.php ( 2.16 KB )
- /home/wwwroot/bluegullmediac/wwwroot/ThinkPHP/Lang/zh-cn.php ( 2.55 KB )
- /home/wwwroot/bluegullmediac/wwwroot/ThinkPHP/Conf/debug.php ( 1.49 KB )
- /home/wwwroot/bluegullmediac/wwwroot/App/Home/Conf/config.php ( 0.31 KB )
- /home/wwwroot/bluegullmediac/wwwroot/App/Home/Common/function.php ( 3.33 KB )
- /home/wwwroot/bluegullmediac/wwwroot/ThinkPHP/Library/Behavior/ReadHtmlCacheBehavior.class.php ( 5.62 KB )
- /home/wwwroot/bluegullmediac/wwwroot/App/Home/Controller/ArticleController.class.php ( 6.02 KB )
- /home/wwwroot/bluegullmediac/wwwroot/App/Home/Controller/CommController.class.php ( 1.60 KB )
- /home/wwwroot/bluegullmediac/wwwroot/ThinkPHP/Library/Think/Model.class.php ( 60.11 KB )
- /home/wwwroot/bluegullmediac/wwwroot/ThinkPHP/Library/Think/Db.class.php ( 32.43 KB )
- /home/wwwroot/bluegullmediac/wwwroot/ThinkPHP/Library/Think/Db/Driver/Pdo.class.php ( 16.74 KB )
- /home/wwwroot/bluegullmediac/wwwroot/ThinkPHP/Library/Think/Cache.class.php ( 3.83 KB )
- /home/wwwroot/bluegullmediac/wwwroot/ThinkPHP/Library/Think/Cache/Driver/File.class.php ( 5.87 KB )
- /home/wwwroot/bluegullmediac/wwwroot/ThinkPHP/Library/Think/Template.class.php ( 28.16 KB )
- /home/wwwroot/bluegullmediac/wwwroot/ThinkPHP/Library/Think/Template/TagLib/Cx.class.php ( 22.40 KB )
- /home/wwwroot/bluegullmediac/wwwroot/ThinkPHP/Library/Think/Template/TagLib.class.php ( 9.16 KB )
- /home/wwwroot/bluegullmediac/wwwroot/App/Runtime/Cache/Home/7540f392f42b28b481b30614275e4e55.php ( 18.20 KB )
- /home/wwwroot/bluegullmediac/wwwroot/ThinkPHP/Library/Behavior/WriteHtmlCacheBehavior.class.php ( 0.97 KB )
- /home/wwwroot/bluegullmediac/wwwroot/ThinkPHP/Library/Behavior/ShowPageTraceBehavior.class.php ( 5.24 KB )
- [ app_init ] --START--
- Run Behavior\BuildLiteBehavior [ RunTime:0.000011s ]
- [ app_init ] --END-- [ RunTime:0.000050s ]
- [ app_begin ] --START--
- Run Behavior\ReadHtmlCacheBehavior [ RunTime:0.000082s ]
- [ app_begin ] --END-- [ RunTime:0.000108s ]
- [ view_parse ] --START--
- [ template_filter ] --START--
- Run Behavior\ContentReplaceBehavior [ RunTime:0.000054s ]
- [ template_filter ] --END-- [ RunTime:0.000080s ]
- Run Behavior\ParseTemplateBehavior [ RunTime:0.481620s ]
- [ view_parse ] --END-- [ RunTime:0.481704s ]
- [ view_filter ] --START--
- Run Behavior\WriteHtmlCacheBehavior [ RunTime:0.000192s ]
- [ view_filter ] --END-- [ RunTime:0.000237s ]
- [ app_end ] --START--
- 1064:You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ') LIMIT 1' at line 1
[ SQL语句 ] : SELECT `id`,`pid`,`navname` FROM `cx_nav` WHERE ( id= ) LIMIT 1
- 1064:You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ') LIMIT 1' at line 1
[ SQL语句 ] : SELECT `id`,`navname` FROM `cx_nav` WHERE ( id= ) LIMIT 1
- 1064:You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ')' at line 1
[ SQL语句 ] : SELECT `id`,`navname` FROM `cx_nav` WHERE ( pid= )
- [8] Undefined index: pid /home/wwwroot/bluegullmediac/wwwroot/App/Home/Controller/ArticleController.class.php 第 47 行.
- [8] Undefined index: db_host /home/wwwroot/bluegullmediac/wwwroot/ThinkPHP/Library/Think/Db.class.php 第 120 行.
- [8] Undefined index: db_port /home/wwwroot/bluegullmediac/wwwroot/ThinkPHP/Library/Think/Db.class.php 第 121 行.
- [8] Undefined index: db_name /home/wwwroot/bluegullmediac/wwwroot/ThinkPHP/Library/Think/Db.class.php 第 122 行.

1.2193s
