Matplotlib Error: NSWindow drag regions should only be invalidated on the Main Thread! This will throw an exception in the future #10

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1. xlisp commented on Nov 15, 2019

   

   xlisp

   on Nov 15, 2019

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   @cnuernber , My project is here: https://github.com/chanshunli/matplotlib-clj :-D

   👍React with 👍1Reacted by Chris Nuernberger
2. cnuernber commented on Nov 15, 2019

   

   cnuernber

   on Nov 15, 2019

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   Hmm. I don't think this is fixable from the outside. Probably you will need to use the canvas renderers for matplotlib or only use it from the main thread, not a repl thread (which would be a shame).

   Good idea for a project though.
3. xlisp commented on Nov 15, 2019

   

   xlisp

   on Nov 15, 2019

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   I run this plot in lein run ，not other thread :

   坚持去λ化(eshell) matplotlib-clj  master $ lein run
   十一月 16, 2019 12:20:10 上午 clojure.tools.logging$eval486$fn__489 invoke
   信息: executing python initialize!
   十一月 16, 2019 12:20:10 上午 clojure.tools.logging$eval486$fn__489 invoke
   信息: Library /usr/local/Cellar/python/3.7.1/Frameworks/Python.framework/Versions/3.7/lib/libpython3.7m.dylib found at [:system "/usr/local/Cellar/python/3.7.1/Frameworks/Python.framework/Versions/3.7/lib/libpython3.7m.dylib"]
   十一月 16, 2019 12:20:10 上午 clojure.tools.logging$eval486$fn__489 invoke
   信息: Reference thread starting
   2019-11-16 00:20:11.618 java[997:1376858] WARNING: NSWindow drag regions should only be invalidated on the Main Thread! This will throw an exception in the future. Called from (
   	0   AppKit                              0x00007fff2c69e6ef -[NSWindow(NSWindow_Theme) _postWindowNeedsToResetDragMarginsUnlessPostingDisabled] + 371
   	1   AppKit                              0x00007fff2c69bbc1 -[NSWindow _initContent:styleMask:backing:defer:contentView:] + 1416
   	2   AppKit                              0x00007fff2c69b633 -[NSWindow initWithContentRect:styleMask:backing:defer:] + 42
   	3   _macosx.cpython-37m-darwin.so       0x000000012ca016b0 -[Window initWithContentRect:styleMask:backing:defer:withManager:] + 80
   	4   _macosx.cpython-37m-darwin.so       0x000000012ca04bc7 FigureManager_init + 327
   	5   Python                              0x0000000124647050 wrap_init + 12
   	6   Python                              0x000000012460e407 wrapperdescr_call + 337
   	7   Python                              0x0000000124608668 _PyObject_FastCallKeywords + 365
   	8   Python                              0x000000012469f3ad call_function + 746
   	9   Python                              0x0000000124697f6f _PyEval_EvalFrameDefault + 7020
   	10  Python                              0x0000000124608bdd function_code_fastcall + 112
   	11  Python                              0x0000000124609561 _PyObject_Call_Prepend + 150
   	12  Python                              0x0000000124646fbe slot_tp_init + 80
   	13  Python                              0x0000000124643c85 type_call + 178
   	14  Python                              0x0000000124608668 _PyObject_FastCallKeywords + 365
   	15  Python                              0x000000012469f3ad call_function + 746
   	16  Python                              0x0000000124697f6f _PyEval_EvalFrameDefault + 7020
   	17  Python                              0x0000000124608bdd function_code_fastcall + 112
   	18  Python                              0x000000012469f3b4 call_function + 753
   	19  Python                              0x0000000124697f6f _PyEval_EvalFrameDefault + 7020
   	20  Python                              0x000000012469fc5c _PyEval_EvalCodeWithName + 1857
   	21  Python                              0x000000012460842a _PyFunction_FastCallDict + 441
   	22  Python                              0x0000000124609561 _PyObject_Call_Prepend + 150
   	23  Python                              0x0000000124608910 PyObject_Call + 136
   	24  Python                              0x0000000124698286 _PyEval_EvalFrameDefault + 7811
   	25  Python                              0x000000012469fc5c _PyEval_EvalCodeWithName + 1857
   	26  Python                              0x00000001246087c7 _PyFunction_FastCallKeywords + 225
   	27  Python                              0x000000012469f3b4 call_function + 753
   	28  Python                              0x000000012469800d _PyEval_EvalFrameDefault + 7178
   	29  Python                              0x0000000124608bdd function_code_fastcall + 112
   	30  Python                              0x000000012469f3b4 call_function + 753
   	31  Python                              0x000000012469800d _PyEval_EvalFrameDefault + 7178
   	32  Python                              0x000000012469fc5c _PyEval_EvalCodeWithName + 1857
   	33  Python                              0x00000001246087c7 _PyFunction_FastCallKeywords + 225
   	34  Python                              0x000000012469f3b4 call_function + 753
   	35  Python                              0x000000012469800d _PyEval_EvalFrameDefault + 7178
   	36  Python                              0x000000012469fc5c _PyEval_EvalCodeWithName + 1857
   	37  Python                              0x000000012460842a _PyFunction_FastCallDict + 441
   	38  jna2383965882915598410.tmp          0x000000010d842e74 ffi_call_unix64 + 76
   	39  ???                                 0x000070000ee0e578 0x0 + 123145551930744
   )
   

   The Code is here :

   (ns matplotlib-clj.core
     (:require [libpython-clj.python :as py]
               [tech.v2.datatype :as dtype]
               [tech.libs.buffered-image :as bufimg]
               [tech.v2.tensor :as dtt]
               [clojure.java.io :as io]
               [clojure.java.shell :as sh]))
   
   (defn init-macox []
     (alter-var-root
      #'libpython-clj.jna.base/*python-library*
      (constantly "/usr/local/Cellar/python/3.7.1/Frameworks/Python.framework/Versions/3.7/lib/libpython3.7m.dylib"))
     (py/initialize!))
   
   (init-macox)
   
   (def mfig (py/import-module "matplotlib.figure"))
   (def magg (py/import-module "matplotlib.backends.backend_agg"))
   (def np (py/import-module "numpy"))
   (def plt (py/import-module "matplotlib.pyplot"))
   
   (def x (py/call-attr np "linspace" 0 2 100))
   ;;(py/python-type x)
   ;;(py/get-attr x "shape")
   
   (defn plot-it []
     (py/call-attr-kw plt "plot" [x x] {"label" "linear"})
     (py/call-attr-kw plt "plot" [x (py/call-attr x "__pow__" 2)] {"label" "quadratic"})
     (py/call-attr-kw plt "plot" [x (py/call-attr x "__pow__" 3)] {"label" "cubic"})
     (py/call-attr plt "xlabel" "x label")
     (py/call-attr plt "ylabel" "y label")
     (py/call-attr plt "title" "Simple Plot")
     (py/call-attr plt "legend"))
   
   (defn -main [& args]
     (plot-it)
     (py/call-attr plt "show"))
   
4. cnuernber commented on Nov 15, 2019

   

   cnuernber

   on Nov 15, 2019

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   I found a matplotlib issue related to this:

   matplotlib/matplotlib#14304
5. xlisp commented on Nov 15, 2019

   

   xlisp

   on Nov 15, 2019

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   Thanks @cnuernber, I use the WebAgg, it's work :-D

   (def mplot (py/import-module "matplotlib"))
   (py/call-attr mplot "use" "WebAgg")
   

   
6. cnuernber commented on Nov 17, 2019

   

   cnuernber

   on Nov 17, 2019

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   Nice work!!

   Closing as I believe this is a matplotlib issue and not a libpython-clj issue.
7. cnuernber

   closed this as completedon Nov 17, 2019