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WebDriverException when using export_png

See original GitHub issue

Bokeh v0.12.10

When I try to use export_png in my application, I receive (pretty-printed):

{
  "errorMessage": "'undefined' is not an object (evaluating 'window.Bokeh.documents')",
  "request": {
    "headers": {
      "Accept": "application\/json",
      "Accept-Encoding": "identity",
      "Connection": "close",
      "Content-Length": "349",
      "Content-Type": "application\/json;charset=UTF-8",
      "Host": "127.0.0.1:32956",
      "User-Agent": "Python-urllib\/3.5"
    },
    "httpVersion": "1.1",
    "method": "POST",
    "post": "{\"sessionId\": \"ae4dd6f0-c218-11e7-8813-fba0ae2a2a1f\", \"script\": \"\\n\/\/ add private window prop to check that render is complete\\nwindow._bokeh_render_complete = false;\\nfunction done() {\\n  window._bokeh_render_complete = true;\\n}\\n\\nvar doc = window.Bokeh.documents[0];\\n\\nif (doc.is_idle)\\n  done();\\nelse\\n  doc.idle.connect(done);\\n\", \"args\": []}",
    "url": "\/execute",
    "urlParsed": {
      "anchor": "",
      "query": "",
      "file": "execute",
      "directory": "\/",
      "path": "\/execute",
      "relative": "\/execute",
      "port": "",
      "host": "",
      "password": "",
      "user": "",
      "userInfo": "",
      "authority": "",
      "protocol": "",
      "source": "\/execute",
      "queryKey": {
        
      },
      "chunks": [
        "execute"
      ]
    },
    "urlOriginal": "\/session\/ae4dd6f0-c218-11e7-8813-fba0ae2a2a1f\/execute"
  }
}

Apparently, Bokeh.documents can still be uninitialized when the page is loaded by Selenium. Maybe wait_until_render_complete should use WebDriverWait to also check that Bokeh.documets exists?

Issue Analytics

State:
Created 6 years ago
Reactions:2
Comments:9 (7 by maintainers)

Top GitHub Comments

1reaction

p-himikcommented, Mar 13, 2018

@AzraelDD I’ve created #7621 since it has a completely different root cause.

0reactions

jnettelscommented, Mar 9, 2018

I implemented the merged PR in my local files, but the example I refered to before still does not work as expected: https://gist.github.com/AzraelDD/c4573f531fbc52cf5d0811d81d30a3fa After the layout has been added to the root, exporting the png of a fig is not possible anymore.

Should that become a separate issue?