hi we re trying to upgrade pants from 1 18 gt 1 29 we ve cur

Question

hi we re trying to upgrade pants from 1 18 gt 1 29 we ve currently configured pants to use ipython for the repl but that doesn t seem to be working with the v2 engine Getting a bad file descriptor error from prompt toolkit ``` File Users nate pex installed wheels 76668ef9197325b7555d7f8658f6c5fa043bed68 prompt toolkit 1 0 18 py3 none any whl prompt toolkit terminal vt100 input py line 473 in enter os write self fileno b x1b 1l OSError Errno 9 Bad file descriptor``` When i clone the pants repo and run pants on an arbitrary target i seem to encounter this error as well ```$ pants repl shell=ipython src python pants subsystem 20 37 35 INFO initializing pantsd 20 37 37 INFO pantsd initialized Python 3 6 8 default Dec 10 2019 16 24 15 Type copyright credits or license for more information IPython 5 8 0 An enhanced Interactive Python gt Introduction and overview of IPython s features quickref gt Quick reference help gt Python s own help system object gt Details about object use object for extra details In 1 Traceback most recent call last File Users nate git pants pants d tmpfzvz8aqy ipython repl pex bootstrap pex pex py line 401 in execute exit code = self wrap coverage self wrap profiling self execute File Users nate git pants pants d tmpfzvz8aqy ipython repl pex bootstrap pex pex py line 333 in wrap coverage return runner args File Users nate git pants pants d tmpfzvz8aqy ipython repl pex bootstrap pex pex py line 364 in wrap profiling return runner args File Users nate git pants pants d tmpfzvz8aqy ipython repl pex bootstrap pex pex py line 452 in execute return self execute entry self pex info entry point File Users nate git pants pants d tmpfzvz8aqy ipython repl pex bootstrap pex pex py line 549 in execute entry return runner entry point File Users nate git pants pants d tmpfzvz8aqy ipython repl pex bootstrap pex pex py line 564 in execute pkg resources return runner File Users nate pex installed wheels 2928e7ea34defca47fe9b3590872c4898d3d337c ipython 5 8 0 py3 none any whl IPython init py line 119 in start ipython return launch new instance argv=argv kwargs File Users nate pex installed wheels 2141181f135fda3f826e75453c112fc9d4ab5943 traitlets 4 3 3 py2 py3 none any whl traitlets config application py line 664 in launch instance app start File Users nate pex installed wheels 2928e7ea34defca47fe9b3590872c4898d3d337c ipython 5 8 0 py3 none any whl IPython terminal ipapp py line 355 in start self shell mainloop File Users nate pex installed wheels 2928e7ea34defca47fe9b3590872c4898d3d337c ipython 5 8 0 py3 none any whl IPython terminal interactiveshell py line 495 in mainloop self interact File Users nate pex installed wheels 2928e7ea34defca47fe9b3590872c4898d3d337c ipython 5 8 0 py3 none any whl IPython terminal interactiveshell py line 478 in interact code = self prompt for code File Users nate pex installed wheels 2928e7ea34defca47fe9b3590872c4898d3d337c ipython 5 8 0 py3 none any whl IPython terminal interactiveshell py line 372 in prompt for code pre run=self pre prompt reset current buffer=True File Users nate pex installed wheels 76668ef9197325b7555d7f8658f6c5fa043bed68 prompt toolkit 1 0 18 py3 none any whl prompt toolkit interface py line 411 in run with self input raw mode File Users nate pex installed wheels 76668ef9197325b7555d7f8658f6c5fa043bed68 prompt toolkit 1 0 18 py3 none any whl prompt toolkit terminal vt100 input py line 473 in enter os write self fileno b x1b 1l OSError Errno 9 Bad file descriptor``` I checked the open issues and prs on github and didn t find anything Is this a known issue Or is there something with my current system that s causing this I m currently on Mac 10 14 6 and running pyenv with python 3 6 8

hundreds-father-404 · Answer

Hey Nate Try out ` no enable pantsd` This might be <https github com pantsbuild pants issues 9939>

hundreds-father-404 · Answer

Also to double check have you seen the upgrade guide for adopting the v2 engine <https www pantsbuild org docs how to upgrade to the v2 engine> Glad to hear you re trying it out

helpful-lunch-92084 · Answer

ah cool that ` no pantsd` worked on the pants repo i ll try it out on our own

helpful-lunch-92084 · Answer

yah i ve been reading through the docs on upgrading to v2 been running into various issues because i just skimmed them at first slightly smiling face

helpful-lunch-92084 · Answer

definitely excited about v2 pantsd and remote execution thanks for all the work on it

hundreds-father-404 · Answer

Glad to hear you re following along Let us know when you do run into issues we are really excited too about v2 and are eager to help people upgrade and to fix any issues folks run into