Quickfix python: memory leak on UtcTimeStamp

Question

I started using the library quickfix and I faced an issue using the python version:

swig/python detected a memory leak of type 'UtcTimeStamp *', no destructor found

And when I go to the source code in C++ of the library I can see that the class FIX::UtcTimeStamp don't have any destructor (FieldTypes.h:583).

Is it a false positive? or a real error and in this case should I modify internaly the source code of quickfix?

Python3 version: 3.10.4
pip version: 22.0.2
quickfix version: 1.15.1

The quickfix library was not build localy, but installed directly with pip.

I'm not good enough in python to know how to trace back the memory leak, don't hesitate to post how in the comment and I will edit the question with the related information.

Edit:

After checking the documentation destructor in C++, it's possible to have a implicit one. So the issue doesn't come from there.

Mapad · Accepted Answer · 2024-01-10 14:33:32Z

0

Destructor is probably there.

You probably compiled the module in a wrong way. Maybe you could provide more info on how you had this error, and which version of Python and quickfix you are using by doing so:

$ pip list | grep quickfix
quickfix                    1.15.1
$ python --version
Python 3.8.17

With the above version the following is working without any memory leak:

>>> from quickfix import UtcTimeStampField
>>> UtcTimeStampField(1)
<quickfix.UtcTimeStampField; proxy of <Swig Object of type 'FIX::UtcTimeStampField *' at 0x7fa0131d4960> >

answered Jan 10, 2024 at 14:33

Mapad

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