Re: Any idea of stopping the execution of PyRun_File()
On Jun 10, 7:41 am, Gabriel Genellina gagsl-...@yahoo.com.ar wrote: En Mon, 08 Jun 2009 22:15:22 -0300, BigHand hewei...@gmail.com escribió: I have an embedded python application. which is a MFC app with Python interpreter embedded. In the App, I have a separate thread to execute a Python script (using the PyRun_File), but if the user want to stop the executing script, how should I do? A possible way is terminate the thread of executing the scripts by TerminateThread(). but TerminateThread() is unsafe and not recommended. guys, could you guide me on this? You could use PyThreadState_SetAsyncExc (to inject an exception), or perhaps PyErr_SetInterrupt (to emulate ^C, which in turn generates a KeyboardInterrupt). This should work fine for well-behaved scripts, but if it ignores all exceptions like this: try: ... except: pass you'll have to look at ceval.c how to break out of the running loop. (this is yet another argument against indiscriminately using a bare except clause...) -- Gabriel Genellina hello.Gabriel. PyThreadState_SetAsyncExc cause me a win32 exception of Stack overflow msvcr80d.dll!_getptd_noexit() Line 592 C msvcr80d.dll!_getptd() Line 658 + 0x5 bytesC msvcr80d.dll!_LocaleUpdate::_LocaleUpdate(localeinfo_struct * plocinfo=0x) Line 264 + 0x5 bytes C++ msvcr80d.dll!_output_l(_iobuf * stream=0x10311d40, const char * format=0x1e26e0ac, localeinfo_struct * plocinfo=0x, char * argptr=0x000333c4) Line 1028 C++ msvcr80d.dll!fprintf(_iobuf * str=0x10311d40, const char * format=0x1e26e0ac, ...) Line 70 + 0x13 bytes C python30_d.dll!Py_FatalError(const char * msg=0x1e26a2d4) Line 2000 + 0x19 bytesC python30_d.dll!PyThreadState_Get() Line 349 + 0xa bytesC python30_d.dll!PyErr_Occurred() Line 133 + 0x5 bytes C python30_d.dll!Py_FatalError(const char * msg=0x1e26a2d4) Line 2001 + 0x5 bytes C python30_d.dll!PyThreadState_Get() Line 349 + 0xa bytesC python30_d.dll!PyErr_Occurred() Line 133 + 0x5 bytes C python30_d.dll!Py_FatalError(const char * msg=0x1e26a2d4) Line 2001 + 0x5 bytes C python30_d.dll!PyThreadState_Get() Line 349 + 0xa bytesC python30_d.dll!PyErr_Occurred() Line 133 + 0x5 bytes C python30_d.dll!Py_FatalError(const char * msg=0x1e26a2d4) Line 2001 + 0x5 bytes C python30_d.dll!PyThreadState_Get() Line 349 + 0xa bytesC python30_d.dll!PyErr_Occurred() Line 133 + 0x5 bytes C python30_d.dll!Py_FatalError(const char * msg=0x1e26a2d4) Line 2001 + 0x5 bytes C python30_d.dll!PyThreadState_Get() Line 349 + 0xa bytesC python30_d.dll!PyErr_Occurred() Line 133 + 0x5 bytes C python30_d.dll!Py_FatalError(const char * msg=0x1e26a2d4) Line 2001 + 0x5 bytes C python30_d.dll!PyThreadState_Get() Line 349 + 0xa bytesC python30_d.dll!PyErr_Occurred() Line 133 + 0x5 bytes C python30_d.dll!Py_FatalError(const char * msg=0x1e26a2d4) Line 2001 + 0x5 bytes C python30_d.dll!PyThreadState_Get() Line 349 + 0xa bytesC My app is a MFC app, it have the main thread and the sub thread, the sub thread run the script(Py_RunFile), That I am looking for a way to stop the Py_RunFile from the main thread. that looks like I have to use the TerminateThread() . thanks.Gabriel, could you find some example for me? -- http://mail.python.org/mailman/listinfo/python-list
Any idea of stopping the execution of PyRun_File()
Hi,All I have an embedded python application. which is a MFC app with Python interpreter embedded. In the App, I have a separate thread to execute a Python script (using the PyRun_File), but if the user want to stop the executing script, how should I do? A possible way is terminate the thread of executing the scripts by TerminateThread(). but TerminateThread() is unsafe and not recommended. guys, could you guide me on this? B.R. Harry -- http://mail.python.org/mailman/listinfo/python-list
Re: can't print the exception cause/context in Python3.0?
On Mar 8, 9:49 pm, Gabriel Genellina gagsl-...@yahoo.com.ar wrote: En Sat, 07 Mar 2009 21:18:22 -0200, BigHand hewei...@gmail.com escribió: On 3月7日, 下午11时21分, Gabriel Genellina gagsl-...@yahoo.com.ar wrote: En Sat, 07 Mar 2009 11:46:08 -0200, BigHand hewei...@gmail.com escribió: I want the exception printted like this: File pyshell#14, line 2, in module a() File pyshell#6, line 2, in a b() File pyshell#9, line 2, in b return tuple()[0] Put your code in a true module stored in a file, so the source lines can be retrieved. I don't understand you.could you give me more details? C:\TEMPtype tbtest.py import sys import traceback def a(): b() def b(): raise ValueError print(\none\n) try: a() except: exc_typ, exc_val, exc_tb = sys.exc_info() traceback.print_tb(exc_tb) print(\ntwo\n) try: a() except: exc_typ, exc_val, exc_tb = sys.exc_info() traceback.print_tb(exc_tb) print(\nthree\n) a() C:\TEMPpython30 tbtest.py one File tbtest.py, line 9, in module try: a() File tbtest.py, line 4, in a def a(): b() File tbtest.py, line 6, in b def b(): raise ValueError two File tbtest.py, line 15, in module try: a() File tbtest.py, line 4, in a def a(): b() File tbtest.py, line 6, in b def b(): raise ValueError three Traceback (most recent call last): File tbtest.py, line 21, in module a() File tbtest.py, line 4, in a def a(): b() File tbtest.py, line 6, in b def b(): raise ValueError ValueError C:\TEMP -- Gabriel Genellina hello.Gabriel, thanks very much! My another issue is that, I have an embedded python3.0 in my MFC app, use the PyRun_File to execute the Py script file, and call the python function traceback.print_tb to print the traceback info, but I can't get souce showed in the traceback. -- http://mail.python.org/mailman/listinfo/python-list
Re: retrieve traceback in embedded python of Python3.0?
On Mar 7, 9:22 pm, Gabriel Genellina gagsl-...@yahoo.com.ar wrote: En Sat, 07 Mar 2009 01:43:05 -0200, BigHand hewei...@gmail.com escribió: On Mar 7, 11:40 am, BigHand hewei...@gmail.com wrote: Guys: I have a embedded python in MFC app. to execute a py script of a.py, the is only one line in a.py, it a() , normally ,excute this script file ,you will get a the exception type isclass 'NameError' The exception value is name 'a' is not defined Python3.0 with VS2005. here is the brief code: Py_Initialize(); PyObject *m, *d, *v; m = PyImport_AddModule(__main__); d = PyModule_GetDict(m); v = PyRun_File(fp, pStr, Py_file_input, d, d); //~~~the py script is a.py PyObject *exc_type = NULL, *exc_value = NULL, *exc_tb = NULL; PyErr_Fetch(exc_type, exc_value, exc_tb); //~~~after fetch , the exc_type, exc_value, exc_tb are not NULL PyObject * modTB = PyImport_ImportModule(traceback); PyObject* pyUStr = PyUnicode_FromString(format_exception); PyObject* listTB = PyObject_CallMethodObjArgs(modTB, pyUStr, exc_type, exc_value, exc_tb, NULL); in the PyObject_CallMethodObjArgs(modTB, pyUStr, exc_type, exc_value, exc_tb, NULL), I get modTB, pyUStr, exc_type, exc_value, exc_tb are not NULL, but the listTB is always NULL, I can retrieve the list... any body could enlight me? it's I can't retrieve the traceback list. PyErr_Print or PyTraceback_Print aren't suitable for you? Those functions are much easier to use from C code, while the traceback module is intended to be used in Python code. -- Gabriel Genellina Hello,Gabriel, I gave up using the format_exception, and use calling the python fucntion of print_tb. -- http://mail.python.org/mailman/listinfo/python-list
Re: can't print the exception cause/context in Python3.0?
On Mar 9, 9:02 am, BigHand hewei...@gmail.com wrote: On Mar 8, 9:49 pm, Gabriel Genellina gagsl-...@yahoo.com.ar wrote: En Sat, 07 Mar 2009 21:18:22 -0200, BigHand hewei...@gmail.com escribió: On 3月7日, 下午11时21分, Gabriel Genellina gagsl-...@yahoo.com.ar wrote: En Sat, 07 Mar 2009 11:46:08 -0200, BigHand hewei...@gmail.com escribió: I want the exception printted like this: File pyshell#14, line 2, in module a() File pyshell#6, line 2, in a b() File pyshell#9, line 2, in b return tuple()[0] Put your code in a true module stored in a file, so the source lines can be retrieved. I don't understand you.could you give me more details? C:\TEMPtype tbtest.py import sys import traceback def a(): b() def b(): raise ValueError print(\none\n) try: a() except: exc_typ, exc_val, exc_tb = sys.exc_info() traceback.print_tb(exc_tb) print(\ntwo\n) try: a() except: exc_typ, exc_val, exc_tb = sys.exc_info() traceback.print_tb(exc_tb) print(\nthree\n) a() C:\TEMPpython30 tbtest.py one File tbtest.py, line 9, in module try: a() File tbtest.py, line 4, in a def a(): b() File tbtest.py, line 6, in b def b(): raise ValueError two File tbtest.py, line 15, in module try: a() File tbtest.py, line 4, in a def a(): b() File tbtest.py, line 6, in b def b(): raise ValueError three Traceback (most recent call last): File tbtest.py, line 21, in module a() File tbtest.py, line 4, in a def a(): b() File tbtest.py, line 6, in b def b(): raise ValueError ValueError C:\TEMP -- Gabriel Genellina hello.Gabriel, thanks very much! My another issue is that, I have an embedded python3.0 in my MFC app, use the PyRun_File to execute the Py script file, and call the python function traceback.print_tb to print the traceback info, but I can't get souce showed in the traceback. solve it. I need to import traceback first in the script file. or I can't get the source retrieved later. -- http://mail.python.org/mailman/listinfo/python-list
pass bool values to the Python function in embedded python 3.0
Guys, How do I transfer the parameters ? in python code: traceback.format_exception(exc_type, exc_val, exc_tb, 2, True) in C++ code: obFunc_format_exception = PyObject_GetAttrString(modTB, format_exception); tbArgs = Py_BuildValue(OOOii, exc_type, exc_value, exc_tb, 2, 1); tbResultList = PyObject_CallObject(obFunc_format_exception , tbArgs); how do I pass True to the Python function in the C++ code? -- http://mail.python.org/mailman/listinfo/python-list
Re: pass bool values to the Python function in embedded python 3.0
On Mar 7, 5:38 pm, BigHand hewei...@gmail.com wrote: Guys, How do I transfer the parameters ? in python code: traceback.format_exception(exc_type, exc_val, exc_tb, 2, True) in C++ code: obFunc_format_exception = PyObject_GetAttrString(modTB, format_exception); tbArgs = Py_BuildValue(OOOii, exc_type, exc_value, exc_tb, 2, 1); tbResultList = PyObject_CallObject(obFunc_format_exception , tbArgs); how do I pass True to the Python function in the C++ code? build the python object tbArgs = Py_BuildValue(O, exc_type, exc_value, exc_tb, Py_None, Py_True); tbResultList = PyObject_CallObject(obFunc_format_exception , tbArgs); but I can't get the format_exception called successfully. could anyone help me ? -- http://mail.python.org/mailman/listinfo/python-list
Re: ANN: eric 4.3.1 released
On Mar 7, 6:59 pm, Detlev Offenbach det...@die-offenbachs.de wrote: Hi, I just uploaded eric 4.3.1. It is a maintenance release fixing some bugs. It is available via the eric4 web site. http://eric-ide.python-projects.org/index.html Eric is a Python (and Ruby) IDE that comes with batteries included. Please see the a.m. web site for more details. Regards, Detlev -- Detlev Offenbach det...@die-offenbachs.de thanks,man -- http://mail.python.org/mailman/listinfo/python-list
can't print the exception cause/context in Python3.0?
Here is copy from my IDLE of python 3.0 import sys import traceback def a(): b() def b(): return tuple()[0] try: a() except: exc_typ, exc_val, exc_tb = sys.exc_info() traceback.print_tb(exc_tb) File pyshell#14, line 2, in module File pyshell#6, line 2, in a File pyshell#9, line 2, in b but this doesn't output the cause/context like 2.6: or on the sample of: http://docs.python.org/3.0/library/traceback.html?highlight=format_exception#traceback.format_exception I want the exception printted like this: File pyshell#14, line 2, in module a() File pyshell#6, line 2, in ab() File pyshell#9, line 2, in b return tuple()[0] how should I do? -- http://mail.python.org/mailman/listinfo/python-list
Re: can't print the exception cause/context in Python3.0?
On 3月7日, 下午11时21分, Gabriel Genellina gagsl-...@yahoo.com.ar wrote: En Sat, 07 Mar 2009 11:46:08 -0200, BigHand hewei...@gmail.com escribió: Here is copy from my IDLE of python 3.0 traceback.print_tb(exc_tb) File pyshell#14, line 2, in module File pyshell#6, line 2, in a File pyshell#9, line 2, in b but this doesn't output the cause/context like 2.6: or on the sample of: http://docs.python.org/3.0/library/traceback.html?highlight=format_ex... I want the exception printted like this: File pyshell#14, line 2, in module a() File pyshell#6, line 2, in a b() File pyshell#9, line 2, in b return tuple()[0] Put your code in a true module stored in a file, so the source lines can be retrieved. -- Gabriel Genellina hello,Gabriel, I don't understand you.could you give me more details? http://docs.python.org/3.0/library/traceback.html?highlight=format_exception#traceback.format_exception the up page is from python 3.0's doc. maybe from a older version of Python, even I excute these file in a py script file, it's can't retrieve the source line either. -- http://mail.python.org/mailman/listinfo/python-list
Re: pass bool values to the Python function in embedded python 3.0
On 3月7日, 下午10时38分, Gabriel Genellina gagsl-...@yahoo.com.ar wrote: En Sat, 07 Mar 2009 07:38:29 -0200, BigHand hewei...@gmail.com escribió: how do I pass True to the Python function in the C++ code? (I've already suggested using PyErr_Print/PyTraceback_Print instead) See the section Boolean Objects in the C API Reference: PyObject* Py_True The Python True object. This object has no methods. It needs to be treated just like any other object with respect to reference counts. -- Gabriel Genellina tbArgs = Py_BuildValue(O, exc_type, exc_value, exc_tb, Py_None, Py_True); tbResultList = PyObject_CallObject(obFunc_format_exception , tbArgs); should increase the ref count of Py_True first? this can't call the python function format_exception successfully either. B.R. BH -- http://mail.python.org/mailman/listinfo/python-list
where is the PyString_AsString in Python 3.0?
Guys: I know that there is no PyString_AsString in Python3.0, could you guys give me instruction about how can I do with the following ? PyObject *exc_type = NULL, *exc_value = NULL, *exc_tb = NULL; PyErr_Fetch(exc_type, exc_value, exc_tb); how do I transfer the exc_type in a char* ? thanks in advance!. B.R. BH. -- http://mail.python.org/mailman/listinfo/python-list
Re: where is the PyString_AsString in Python 3.0?
On 3月6日, 下午8时50分, Benjamin Peterson benja...@python.org wrote: BigHand heweiwei at gmail.com writes: Guys: I know that there is no PyString_AsString in Python3.0, could you guys give me instruction about how can I do with the following ? There is no PyString_AsString. Everything string is unicode now. (PyUnicode API) hello,Ben, could you give me an example? I almost know the PyUnicode API,but the docs of 3.0 is too brief for me. B.R. BH -- http://mail.python.org/mailman/listinfo/python-list
Re: where is the PyString_AsString in Python 3.0?
On Mar 7, 3:50 am, Benjamin Peterson benja...@python.org wrote: BigHand heweiwei at gmail.com writes: There is no PyString_AsString. Everything string is unicode now. (PyUnicode API) hello,Ben, could you give me an example? I almost know the PyUnicode API,but the docs of 3.0 is too brief for me. PyString_FromString - PyUnicode_FromString PyString_Concat - PyUnicode_Concat etc... To get a char * you have to explicitly encode the string with PyUnicode_AsEncodedString. thanks Ben! -- http://mail.python.org/mailman/listinfo/python-list
Re: where is the PyString_AsString in Python 3.0?
On Mar 7, 9:34 am, BigHand hewei...@gmail.com wrote: On Mar 7, 3:50 am, Benjamin Peterson benja...@python.org wrote: BigHand heweiwei at gmail.com writes: There is no PyString_AsString. Everything string is unicode now. (PyUnicode API) hello,Ben, could you give me an example? I almost know the PyUnicode API,but the docs of 3.0 is too brief for me. PyString_FromString - PyUnicode_FromString PyString_Concat - PyUnicode_Concat etc... To get a char * you have to explicitly encode the string with PyUnicode_AsEncodedString. thanks Ben! Finally I got the results now. This did take me 10 hours to solve this. the docs of 3.0.. I hope this could help someone else: PyObject *exc_type = NULL, *exc_value = NULL, *exc_tb = NULL; PyErr_Fetch(exc_type, exc_value, exc_tb); PyObject* str_exc_type = PyObject_Repr(exc_type); //Now a unicode object PyObject* pyStr = PyUnicode_AsEncodedString(str_exc_type, utf-8, Error ~); const char *strExcType = PyBytes_AS_STRING(pyStr); Py_XDECREF(str_exc_type); Py_XDECREF(pyStr); Py_XDECREF(exc_type); Py_XDECREF(exc_value); Py_XDECREF(exc_tb); -- http://mail.python.org/mailman/listinfo/python-list
retrieve traceback in embedded python of Python3.0?
Guys: I have a embedded python in MFC app. to execute a py script of a.py, the is only one line in a.py, it a() , normally ,excute this script file ,you will get a the exception type isclass 'NameError' The exception value is name 'a' is not defined Python3.0 with VS2005. here is the brief code: Py_Initialize(); PyObject *m, *d, *v; m = PyImport_AddModule(__main__); d = PyModule_GetDict(m); v = PyRun_File(fp, pStr, Py_file_input, d, d); //~~~the py script is a.py PyObject *exc_type = NULL, *exc_value = NULL, *exc_tb = NULL; PyErr_Fetch(exc_type, exc_value, exc_tb); //~~~after fetch , the exc_type, exc_value, exc_tb are not NULL PyObject * modTB = PyImport_ImportModule(traceback); PyObject* pyUStr = PyUnicode_FromString(format_exception); PyObject* listTB = PyObject_CallMethodObjArgs(modTB, pyUStr, exc_type, exc_value, exc_tb, NULL); in the PyObject_CallMethodObjArgs(modTB, pyUStr, exc_type, exc_value, exc_tb, NULL), I get modTB, pyUStr, exc_type, exc_value, exc_tb are not NULL, but the listTB is always NULL, I can retrieve the list... any body could enlight me? -- http://mail.python.org/mailman/listinfo/python-list
Re: retrieve traceback in embedded python of Python3.0?
On Mar 7, 11:40 am, BigHand hewei...@gmail.com wrote: Guys: I have a embedded python in MFC app. to execute a py script of a.py, the is only one line in a.py, it a() , normally ,excute this script file ,you will get a the exception type isclass 'NameError' The exception value is name 'a' is not defined Python3.0 with VS2005. here is the brief code: Py_Initialize(); PyObject *m, *d, *v; m = PyImport_AddModule(__main__); d = PyModule_GetDict(m); v = PyRun_File(fp, pStr, Py_file_input, d, d); //~~~the py script is a.py PyObject *exc_type = NULL, *exc_value = NULL, *exc_tb = NULL; PyErr_Fetch(exc_type, exc_value, exc_tb); //~~~after fetch , the exc_type, exc_value, exc_tb are not NULL PyObject * modTB = PyImport_ImportModule(traceback); PyObject* pyUStr = PyUnicode_FromString(format_exception); PyObject* listTB = PyObject_CallMethodObjArgs(modTB, pyUStr, exc_type, exc_value, exc_tb, NULL); in the PyObject_CallMethodObjArgs(modTB, pyUStr, exc_type, exc_value, exc_tb, NULL), I get modTB, pyUStr, exc_type, exc_value, exc_tb are not NULL, but the listTB is always NULL, I can retrieve the list... any body could enlight me? it's I can't retrieve the trace back list. -- http://mail.python.org/mailman/listinfo/python-list
Re: retrieve traceback in embedded python of Python3.0?
On Mar 7, 11:40 am, BigHand hewei...@gmail.com wrote: Guys: I have a embedded python in MFC app. to execute a py script of a.py, the is only one line in a.py, it a() , normally ,excute this script file ,you will get a the exception type isclass 'NameError' The exception value is name 'a' is not defined Python3.0 with VS2005. here is the brief code: Py_Initialize(); PyObject *m, *d, *v; m = PyImport_AddModule(__main__); d = PyModule_GetDict(m); v = PyRun_File(fp, pStr, Py_file_input, d, d); //~~~the py script is a.py PyObject *exc_type = NULL, *exc_value = NULL, *exc_tb = NULL; PyErr_Fetch(exc_type, exc_value, exc_tb); //~~~after fetch , the exc_type, exc_value, exc_tb are not NULL PyObject * modTB = PyImport_ImportModule(traceback); PyObject* pyUStr = PyUnicode_FromString(format_exception); PyObject* listTB = PyObject_CallMethodObjArgs(modTB, pyUStr, exc_type, exc_value, exc_tb, NULL); in the PyObject_CallMethodObjArgs(modTB, pyUStr, exc_type, exc_value, exc_tb, NULL), I get modTB, pyUStr, exc_type, exc_value, exc_tb are not NULL, but the listTB is always NULL, I can retrieve the list... any body could enlight me? it's I can't retrieve the traceback list. -- http://mail.python.org/mailman/listinfo/python-list
