pythonpath Augment the default search path for module files. The format is the same as the shell’s PATH : one or more directory pathnames separated by os.pathsep (e.g. colons on Unix or semicolons on Windows).

2009年9月28日 · PYTHONPATH is an environment variable whose value is a list of directories. Once set, it is used by Python to search for imported modules, along with other std. and 3rd-party library directories listed in Python's "sys.path".

2010年6月24日 · In fact, sys.path is initialized by splitting the value of PYTHONPATH on the path separator character (: on Linux-like systems, ; on Windows). You can also add directories using site.addsitedir, and that method will also take into account .pth files existing within the …

2010年9月13日 · To augment PYTHONPATH, run regedit and navigate to KEY_LOCAL_MACHINE \SOFTWARE\Python\PythonCore and then select the folder for the python version you wish to use. Inside this is a folder labelled PythonPath, with one entry that specifies the paths where the default install stores modules. Right-click on PythonPath and …

2023年5月6日 · The variable PYTHONPATH is an environment variable which you can set to add additional directories where python will look for modules and packages. This variable is not set by default and not needed for Python to work because it it already knows where to find its standard libraries (sys.path).

2012年2月29日 · PYTHONPATH = If this variable exists in your environment, Python will add it to the normal search path for modules when you use any import statement; you normally do not modify this as well behaved Python scripts will install themselves in the site-packages directory, and Python searches this by default. PATH = this is the global file system ...

2010年8月4日 · Whenever I use sys.path.append, the new directory will be added. However, once I close python, the list will revert to the previous (default?) values. How do I permanently add a directory to PYTHON...

2013年4月29日 · @variable No, the paths in PYTHONPATH is added to the paths in sys.path when the Python interpreter starts. In other words, sys.path will include all the paths in PYTHONPATH, but also additional paths, like the path to the Python standard library and the path to installed packages. –

2015年7月26日 · Neither hacking PYTHONPATH nor sys.path is a good idea due to the before mentioned reasons. And for linking the current project into the site-packages folder there is actually a better way than python setup.py develop, as explained here: pip install - …

PYTHONPATH sets the search path for importing python modules, not for executing them like you're trying. PYTHONPATH Augment the default search path for module files. The format is the same as the shell’s PATH: one or more directory pathnames separated by os.pathsep (e.g. colons on Unix or semicolons on Windows).