Hi, I'm not sure this is relevant (sorry, no time to look closely), but a
couple weeks ago
I fixed a bug in exec.cpp:
------------------------------------------------------------------------
r55639 | rwgk | 2009-08-17 17:24:54 -0700 (Mon, 17 Aug 2009) | 8 lines
libs/python/src/exec.cpp: bug fixes
Remark:
operator!() for boost::python::object invokes PyObject_IsTrue()
and is therefore not equivalent to "is None".
In this particular case !global or !local returns true for an
empty dict.
(Changes to libs/python/test/exec.cpp just helped in debugging.)
------------------------------------------------------------------------
This made it into the 1.40.0 release. I recommend you work with the current
trunk or
the latest release.
Ralf
----- Original Message ----
From: Constant Dupuis <constant.dup...@gmail.com>
To: cplusplus-sig@python.org
Sent: Thursday, September 3, 2009 12:12:07 AM
Subject: [C++-sig] Embending : Expose and Extract a dictionary object To/From
C++
Hi,
I would like to expose a dictionary object instanciated in C++ to a
Python code, which manipulate the dictoinary.
And after extract the resulting modified dictionary back in C++.
I try this :
try {
Py_Initialize();
std::cout << "Hello, World!\n";
dict d;
d["Headline"] = "Titre";
object main_module = import("__main__");
object main_namespace = main_module.attr("__dict__");
main_namespace["iptc"] = ptr(&d);
object ignored = exec("print('Headline')\n"
"print(iptc['Headline'])\n",
main_namespace);
} catch( error_already_set ) {
PyErr_Print();
}
And here is hte output :
Hello, World!
Headline
Traceback (most recent call last):
File "<string>", line 2, in <module>
TypeError: 'NoneType' object is unsubscriptable
What did I missed ?
Thanks en regards,
Constant
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