table of Contents
A, sys module
Responsible for interacting with the python interpreter program sys module, it provides a range of functions and variables to control when running python environment.
It is the longest with the previous two months
| method | Detailed |
|---|---|
| sys.argv | List command line arguments, the first path element of the program itself, the received parameters (while running with a valid executable file cmd) |
| sys.modules.keys() | Returns a list of all the imported modules |
| sys.exc_info() | For more information on obtaining an exception currently being handled exception class, exc_type, exc_value, exc_traceback currently being processed |
| sys.exit(n) | Exit the program, when the normal exit exit (0) |
| sys.hexversion | Gets the version of Python interpreter value, hexadecimal formats such as: 0x020403F0 |
| sys.version | Version Get Python interpreter |
| sys.maxint | The maximum value of Int |
| sys.maxunicode | The maximum value of the Unicode |
| sys.modules | Return system imported module field, key is the module name, value module is |
| sys.path | Back module search path, using initialization value of the environment variable PYTHONPATH |
| sys.platform | Returns the name of the operating system platform |
| sys.stdout | Standard output |
| sys.stdin | Standard Input |
| sys.stderr | Error output |
| sys.exc_clear() | To clear the current thread that appears in the current or most recent error message |
| sys.exec_prefix | Returns the platform-independent file installation location python |
| sys.byteorder | Local rule pointer byte, the value of the platform is big-endian 'big', the value of little-endian platform is 'little' |
| sys.copyright | Record python copyright-related stuff |
| sys.api_version | API versions of C interpreter |