1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
|
#include <glom/libglom/init.h>
#include <glom/python_embed/glom_python.h>
#include <libglom/data_structure/glomconversions.h>
#include <boost/python.hpp>
#include <iostream>
int main()
{
Glom::libglom_init(); //Also initializes python.
const char* calculation = "count = 0\nfor i in range(0, 100): count += i\nreturn count";
Glom::type_map_fields field_values;
Glib::RefPtr<Gnome::Gda::Connection> connection;
//Execute a python function:
Gnome::Gda::Value value;
Glib::ustring error_message;
try
{
value = Glom::glom_evaluate_python_function_implementation(
Glom::Field::glom_field_type::NUMERIC, calculation, field_values,
0 /* document */, "" /* table name */,
std::shared_ptr<Glom::Field>(), Gnome::Gda::Value(), // primary key details. Not used in this test.
connection,
error_message);
}
catch(const std::exception& ex)
{
std::cerr << G_STRFUNC << ": Exception: " << ex.what() << std::endl;
return EXIT_FAILURE;
}
catch(const boost::python::error_already_set& ex)
{
std::cerr << G_STRFUNC << ": Exception: boost::python::error_already_set" << std::endl;
return EXIT_FAILURE;
}
//std::cout << "type=" << g_type_name(value.get_value_type()) << std::endl;
//Check that there was no python error:
if(!error_message.empty()) {
std::cerr << "Unexpected error message: " << error_message << "\n";
return EXIT_FAILURE;
}
//Check that the return value is of the expected type:
g_assert(value.get_value_type() == GDA_TYPE_NUMERIC);
//Check that the return value is of the expected value:
const auto numeric = Glom::Conversions::get_double_for_gda_value_numeric(value);
g_assert(numeric == 4950.0);
//std::cout << "value=" << value.to_string() << std::endl;
return EXIT_SUCCESS;
}
|
