Instance: add a set_logger method #273
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Citing from Python 3.12 release: "A backslash-character pair that is not a valid escape sequence now generates a SyntaxWarning (...) In a future Python version, SyntaxError will eventually be raised, instead of SyntaxWarning." https://docs.python.org/dev/whatsnew/3.12.html#other-language-changes
oaubert
requested changes
May 16, 2024
Add a way to load the local standard C library. This could be used to load some C standard functions, like *printf ones. This should work on Linux, Windows and macOS/Darwin environments.
Adds a way to link libVLC log system to a python logging.Logger object. The logger and log callback is attached to the libVLC Instance object to avoid the python garbage collector to destroy them too soon. NOTE: as libVLC log messages are based on a printf + va_list format, we need to use the standard C `vsnprintf` function with a max fixed size output.
Adds a functional test for the Instance.set_logger method. This will also test the log_get_context, as this is part of the logger output.
This can be useful if some logger is set and you want to get access to it afterwards.
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I did not forget about this one, but I knew I had another (big) one pending for which I should also dedicated some time. Now that #275 is merged, I can merge this one, but it needs some porting to the new code - no real conflict, just moving things around I think. If you have some time to look at it, great. Else, I will do it some day. |
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This MR adds a way to link libVLC log system to a python logging.Logger object.
A new
set_loggermethod is added to the Instance class to link a logging.Logger to the libvlc_log_set callback setup.The additional info from the log context (vlc module name, file, line, etc) are attached as extra info.
The log context test is modified to check the set_logger behavior (as the context info is included in the logger).
Tested on Linux and Windows, should work on macOS.