Re: self.set_history error for python custom block

[Ivan Iudice]

Nobody knows where could be the problem? I thought an incompatibility between gnuradio and python versions. Regards. Ivan Il giorno 21 set 2023, alle ore 18:13, Ivan Iudice <kron...@tiscali.it> ha scritto: Dear Jeff, thank you for answer. My code does exactly the same things. Regards. Ivan Il giorno 21 set 2023, alle ore 17:55, Jeff Long <willco...@gmail.com> ha scritto:  Here is an example (from the QA code) of using history from a Python block. https://github.com/gnuradio/gnuradio/blob/5953d3c96b42086c5f8c5f97b6fd7e57717f9aa5/gr-blocks/python/blocks/qa_block_gateway.py#L60 See if your code appears to be doing the same thing. On Thu, Sep 21, 2023 at 11:03 AM <kron...@tiscali.it> wrote: Hello List! I'm trying to implement a sync block into a OOT module that use previous samples of the input streams. So, I'm using the method set_history in the constructor. The problem is that when I use self.set_history(N) I obtain the following errors: Generating: '/home/userr/workspace/gnuradio-oot/gr-customModule/examples/untitled.py' Executing: /usr/bin/python3 -u /home/user/workspace/gnuradio-oot/gr-customModule/examples/untitled.py QSocketNotifier: Can only be used with threads started with QThread Traceback (most recent call last):   File "/home/user/workspace/gnuradio-oot/gr-customModule/examples/untitled.py", line 291, in <module>     main()   File "/home/user/workspace/gnuradio-oot/gr-customModule/examples/untitled.py", line 269, in main     tb = top_block_cls()          ^^^^^^^^^^^^^^^   File "/home/user/workspace/gnuradio-oot/gr-customModule/examples/untitled.py", line 179, in __init__     self.customModule_testBlock_0_0 = customModule.testBlock(1, max_lag, lags, alpha, win_len, 1, False)                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^   File "/usr/local/lib/python3.11/dist-packages/gnuradio/customModule/testBlock.py", line 33, in __init__     self.set_history(self.max_pos_lag-self.min_neg_lag+1)     ^^^^^^^^^^^^^^^^   File "/usr/lib/python3/dist-packages/gnuradio/gr/gateway.py", line 129, in __getattr__     if not hasattr(self, "gateway"):            ^^^^^^^^^^^^^^^^^^^^^^^^   File "/usr/lib/python3/dist-packages/gnuradio/gr/gateway.py", line 129, in __getattr__     if not hasattr(self, "gateway"):            ^^^^^^^^^^^^^^^^^^^^^^^^   File "/usr/lib/python3/dist-packages/gnuradio/gr/gateway.py", line 129, in __getattr__     if not hasattr(self, "gateway"):            ^^^^^^^^^^^^^^^^^^^^^^^^   [Previous line repeated 984 more times] RecursionError: maximum recursion depth exceeded >>> Done (return code 1) I'm using GNU Radio 3.10.5.1 (Python 3.11.2) on Debian 12. What is going on? Thanks in advance! Ivan