On Mon, Nov 6, 2017 at 10:36 PM, Stéfane Fermigier <s...@fermigier.com> wrote:
> > > On Tue, Nov 7, 2017 at 2:58 AM, Guido van Rossum <gu...@python.org> wrote: > >> On Mon, Nov 6, 2017 at 2:34 AM, Stéfane Fermigier <s...@fermigier.com> >> wrote: >> >>> 4) 10 years ago, when I was working on the EDOS project ( >>> http://cordis.europa.eu/pub/ist/docs/directorate_d/st-ds/edo >>> s-project-story_en.pdf ), I ran a small experiment where I used, IIRC, >>> the profile hook to intercept all function / method calls, and log >>> information about arguments and return value types to a gigantic log file. >>> Then the log file could be parsed and these information used to suggest >>> type annotations. Except there were no type annotations at the time in >>> Python. >>> >>> I know PyCharm can do a similar thing now: you run your program or your >>> tests under the debugger, it logs runtime type information somewhere, and >>> then can use it to suggest autocompletion or maybe type annotations. >>> >> >> I didn't know this. Do you know where there are docs for this feature? >> > > This was described in this blog post when first introduced: > > https://blog.jetbrains.com/pycharm/2013/02/dynamic- > runtime-type-inference-in-pycharm-2-7/ > > And more tersely, in the documentation: https://www. > jetbrains.com/help/pycharm/python-debugger.html > Oh. It sounds like it doesn't generate stubs or PEP 484 annotations. -- --Guido van Rossum (python.org/~guido)
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