On Wednesday, July 1, 2020 at 4:39:12 PM UTC-7, John H Palmieri wrote: > > > > On Wednesday, July 1, 2020 at 2:22:49 PM UTC-7, Antonio Rojas wrote: >> >> >> >> El miércoles, 1 de julio de 2020, 21:06:43 (UTC+2), John H Palmieri >> escribió: >>> >>> >>> Why so many deprecation warnings? I think they're coming from plain >>> Python; why doesn't Python print the warnings? >>> >>> >>> >> Because python ignores deprecation warnings, >> https://docs.python.org/3/library/warnings.html#default-warning-filter >> > > Thanks, that's helpful. But why does Sage print the warning so many times? > If I turn on Python's deprecation warnings, I just see one warning message, > not six of them. > > I guess this is in turn an IPython thing, although I don't know why IPython prints the warning 6 times, and also repeats my original command. With warnings enabled, I evaluated '\i' once:
% PYTHONWARNINGS=always sage --ipython ... IPython 5.8.0 -- An enhanced Interactive Python. ? -> Introduction and overview of IPython's features. %quickref -> Quick reference. help -> Python's own help system. object? -> Details about 'object', use 'object??' for extra details. In [1]: '\i'<input>:1: DeprecationWarning: invalid escape sequence \i <input>:1: DeprecationWarning: invalid escape sequence \i <input>:1: DeprecationWarning: invalid escape sequence \i In [1]: '\i' <input>:1: DeprecationWarning: invalid escape sequence \i <input>:1: DeprecationWarning: invalid escape sequence \i <input>:1: DeprecationWarning: invalid escape sequence \i <ipython-input-1-aeb68ac32d93>:1: DeprecationWarning: invalid escape sequence \i '\i' Out[1]: '\\i' -- You received this message because you are subscribed to the Google Groups "sage-support" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-support+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/sage-support/15f4bfab-8605-4099-a3e6-c35f10f6942fo%40googlegroups.com.
