[Tutor] Pythonpath

[Magnus Lycka]

At 11:03 2002-12-11 -03-30, Adam Vardy wrote:
>How do I set a Pythonpath?

What OS? (Don't say Windows, that's several OS's)
You set is like any environment variable.

>And does Python have command line options?

H:\python>python -h
usage: python [option] ... [-c cmd | file | -] [arg] ...
Options and arguments (and corresponding environment variables):
-c cmd : program passed in as string (terminates option list)
-d     : debug output from parser (also PYTHONDEBUG=x)
-E     : ignore environment variables (such as PYTHONPATH)
-h     : print this help message and exit
-i     : inspect interactively after running script, (also PYTHONINSPECT=x)
          and force prompts, even if stdin does not appear to be a terminal
-O     : optimize generated bytecode (a tad; also PYTHONOPTIMIZE=x)
-OO    : remove doc-strings in addition to the -O optimizations
-Q arg : division options: -Qold (default), -Qwarn, -Qwarnall, -Qnew
-S     : don't imply 'import site' on initialization
-t     : issue warnings about inconsistent tab usage (-tt: issue errors)
-u     : unbuffered binary stdout and stderr (also PYTHONUNBUFFERED=x)
-v     : verbose (trace import statements) (also PYTHONVERBOSE=x)
-V     : print the Python version number and exit
-W arg : warning control (arg is action:message:category:module:lineno)
-x     : skip first line of source, allowing use of non-Unix forms of #!cmd
file   : program read from script file
-      : program read from stdin (default; interactive mode if a tty)
arg ...: arguments passed to program in sys.argv[1:]
Other environment variables:
PYTHONSTARTUP: file executed on interactive startup (no default)
PYTHONPATH   : ';'-separated list of directories prefixed to the
                default module search path.  The result is sys.path.
PYTHONHOME   : alternate <prefix> directory (or <prefix>;<exec_prefix>).
                The default module search path uses <prefix>\lib.
PYTHONCASEOK : ignore case in 'import' statements (Windows).



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