[Pythonmac-SIG] Mac PyImport_ImportModule("modulename")

[Bob Ippolito]

If sys.path is correct, then it would import.  I don't believe you,  
show the sys.path from the python interpreter and show it from your  
program.

-bob

On Dec 12, 2005, at 9:40 AM, Zhi Peng wrote:

>
> Hi! Bob
>
> Following is the main code that I used for test. The
> sys.path seems correct because I can import when I use
> pythonw and import SringModule. Everytime I run the
> program, it said "can not import
> StringModule". One might use a simple module with only
> one sentance inside as a "StringModule.py" and
> "StringModule.pyc".
>
> Thanks
>
> Zhi
>
> ======================================================
>
>
> #include <Python.h>
>
>
> int main()
> {
>         PyObject
> *myMod=NULL,*myClass=NULL,*myModuleInstance=NULL;
>
>
>         Py_Initialize();
>
>         PyRun_SimpleString("import sys \n");
>
>         PyRun_SimpleString("sys.path.append('.\')\n");
>         PyRun_SimpleString("print sys.path \n");
>
>         //myMod=PyImport_ImportModule("os");
>
>         myMod=PyImport_ImportModule("StringModule");
>         if(!myMod) { printf("cannot import
> StringModule\n"); return TRUE; }
>         return 0;
>
> }
>
>
>
> The 'StringModule' is in the right directory as
> following:
> ==================================================
> zhi-pengs-power-mac-g5:/System/Library/Frameworks/Python.framework/ 
> Versions/2.3/lib/python2.3
>
> zpeng$ find . -name 'StringModule.py' -print
> ./StringModule.py
>
> zhi-pengs-power-mac-g5:/System/Library/Frameworks/Python.framework/ 
> Versions/2.3/lib/python2.3
>
>
> zpeng$ find . -name 'StringModule.pyc' -print
> ./StringModule.pyc
>
>
>
>
> --- Bob Ippolito <bob at redivi.com> wrote:
>
>> Well I have no idea whether you're extending or
>> embedding Python..
>> and if you are embedding, I have no idea what steps
>> you've taken to
>> initialize the interpreter... so I'm not sure.
>>
>> Like I said before, what you need to do is make
>> absolutely sure
>> you're using the correct Python interpreter,
>> framework, or dylib and
>> also make sure that sys.path is setup properly.
>> This might help::
>>
>> 	PyRun_SimpleString("import sys\nprint
>> sys.path\nprint sys.version
>> \nprint sys.executable\n");
>>
>> -bob
>>
>> On Dec 9, 2005, at 8:45 PM, Zhi Peng wrote:
>>
>>> Hi! Bob
>>>
>>> I have not tried to append current directory in
>> sys.path. Maybe I
>>> need to do sth
>>> sys.path.append("./") and then do import. The
>> module is installed
>>> in MacPython package. The os module is in
>> python23.dylib so it can
>>> find it and import it. But my module is just a py
>> file.
>>>
>>> Thanks
>>>
>>>
>>> Zhi
>>>
>>> Bob Ippolito <bob at redivi.com> wrote:
>>>
>>> On Dec 9, 2005, at 4:41 PM, Zhi Peng wrote:
>>>
>>>> In my c code, I have used
>> myMod=PyImport_ImportModule("moduleName")
>>>> and run on Mac, but it just can not import the
>> "moduleName" for
>>>> some unknown reason.
>>>>
>>>> I am sure I install the "moduleName" by "pythonw
>> setup install".
>>>> And I can import "moduleName" from command lines
>> such as
>>>>
>>>>> pythonw
>>>>> import moduleName
>>>>>
>>>>
>>>> It is fine. I wonder why PyImport_ImportModule
>> can not import it,
>>>> while it can import module os by using
>>>> PyImport_ImportModule("os")
>>>>
>>>> Any suggestion?
>>>>
>>>
>>> Are you sure it's the same version of Python, and
>> the module is on
>>> sys.path? Check sys.version and sys.path
>>>
>>> -bob
>>>
>>>
>>>
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