pyppeteer.errors.ElementHandleError: Evaluation failed: TypeError: Cannot read property 'textContent' of null

[Stvad]

I've been running this every 10 min for the last day #4 This is an occasional error I observe

Downloading output of type markdown
Checking download type
Traceback (most recent call last):
  File "/opt/hostedtoolcache/Python/3.8.2/x64/bin/roam-to-git", line 11, in <module>
    load_entry_point('roam-to-git==0.1', 'console_scripts', 'roam-to-git')()
  File "/opt/hostedtoolcache/Python/3.8.2/x64/lib/python3.8/site-packages/roam_to_git/__main__.py", line 68, in main
    scrap(markdown_zip_path, json_zip_path, config)
  File "/opt/hostedtoolcache/Python/3.8.2/x64/lib/python3.8/site-packages/roam_to_git/scrapping.py", line 188, in scrap
    asyncio.get_event_loop().run_until_complete(asyncio.gather(*tasks))
  File "/opt/hostedtoolcache/Python/3.8.2/x64/lib/python3.8/asyncio/base_events.py", line 616, in run_until_complete
    return future.result()
  File "/opt/hostedtoolcache/Python/3.8.2/x64/lib/python3.8/site-packages/roam_to_git/scrapping.py", line 107, in download_rr_archive
    button, button_text = await get_dropdown_button()
  File "/opt/hostedtoolcache/Python/3.8.2/x64/lib/python3.8/site-packages/roam_to_git/scrapping.py", line 101, in get_dropdown_button
    dropdown_button_text = await get_text(document, dropdown_button)
  File "/opt/hostedtoolcache/Python/3.8.2/x64/lib/python3.8/site-packages/roam_to_git/scrapping.py", line 25, in get_text
    text = await page.evaluate('(element) => element.textContent', b)
  File "/opt/hostedtoolcache/Python/3.8.2/x64/lib/python3.8/site-packages/pyppeteer/page.py", line 1158, in evaluate
    return await frame.evaluate(pageFunction, *args, force_expr=force_expr)
  File "/opt/hostedtoolcache/Python/3.8.2/x64/lib/python3.8/site-packages/pyppeteer/frame_manager.py", line 294, in evaluate
    return await context.evaluate(
  File "/opt/hostedtoolcache/Python/3.8.2/x64/lib/python3.8/site-packages/pyppeteer/execution_context.py", line 54, in evaluate
    handle = await self.evaluateHandle(
  File "/opt/hostedtoolcache/Python/3.8.2/x64/lib/python3.8/site-packages/pyppeteer/execution_context.py", line 113, in evaluateHandle
    raise ElementHandleError('Evaluation failed: {}'.format(
pyppeteer.errors.ElementHandleError: Evaluation failed: TypeError: Cannot read property 'textContent' of null
    at __pyppeteer_evaluation_script__:1:23

[MatthieuBizien]

I think it's because the interface can be slow. I've added a check in 5167bb8, does it "successfully fail" on assert dropdown_button is not None?

[Stvad]

I'll observe it and let you know :) . #9 was making the export to consistently fail recently (though I think you recent commits helped with it)

[Stvad]

yeah, got an assertion error now

2020-04-20 03:34:03.093 | DEBUG    | roam_to_git.scrapping:download_rr_archive:79 - Closed browser json
Traceback (most recent call last):
  File "/opt/hostedtoolcache/Python/3.8.2/x64/bin/roam-to-git", line 11, in <module>
    load_entry_point('roam-to-git==0.1', 'console_scripts', 'roam-to-git')()
  File "/opt/hostedtoolcache/Python/3.8.2/x64/lib/python3.8/site-packages/roam_to_git/__main__.py", line 69, in main
    scrap(markdown_zip_path, json_zip_path, config)
  File "/opt/hostedtoolcache/Python/3.8.2/x64/lib/python3.8/site-packages/roam_to_git/scrapping.py", line 253, in scrap
    asyncio.get_event_loop().run_until_complete(asyncio.gather(*tasks))
  File "/opt/hostedtoolcache/Python/3.8.2/x64/lib/python3.8/asyncio/base_events.py", line 616, in run_until_complete
    return future.result()
  File "/opt/hostedtoolcache/Python/3.8.2/x64/lib/python3.8/site-packages/roam_to_git/scrapping.py", line 69, in download_rr_archive
    return await _download_rr_archive(document, output_type, output_directory, config,
  File "/opt/hostedtoolcache/Python/3.8.2/x64/lib/python3.8/site-packages/roam_to_git/scrapping.py", line 146, in _download_rr_archive
    button, button_text = await get_dropdown_button()
  File "/opt/hostedtoolcache/Python/3.8.2/x64/lib/python3.8/site-packages/roam_to_git/scrapping.py", line 139, in get_dropdown_button
    assert dropdown_button is not None
AssertionError

[MatthieuBizien]

I think was issue is fixed, closing it