[GitHub] [beam] damccorm opened a new issue, #19763: Cannot import InteractiveRunner as IPython.display is no longer a valid symbol.

[GitBox <gi...@apache.org>]

damccorm opened a new issue, #19763:
URL: https://github.com/apache/beam/issues/19763

   This was when attempting to use apache_beam's interactive runner in a local ipython interpreter.
   
   Cannot import InteractiveRunner as IPython.display is no longer a valid symbol.
   Added AttributeError to catch this case.
   
   Changing line 45 in apache_beam/runners/interactive/display/display_manager.py seems to fix it:
   except (ImportError, NameError, AttributeError):
   
   The code path that breaks is when using ipython from a command line. (not a notebook)
   
   To reproduce you can start an interpreter and import the interactive runner:
   
   /google/data/ro/projects/g3python/g3python \--deps //third_party/py/apache_beam
   from apache_beam.runners.interactive import interactive_runner
   
   The error:
   
   /google/src/cloud/joetoth/abe/google3 23s
   ❯ /google/data/ro/projects/g3python/g3python \--deps //third_party/py/apache_beam
   
   [g3python: Building...]
   Python 2.7.15 (default, redacted, redacted)
   Type "copyright", "credits" or "license" for more information.
   
   IPython 2.0.0 \-- An enhanced Interactive Python.
   ?         -\> Introduction and overview of IPython's features.
   %quickref -\> Quick reference.
   help      -\> Python's own help system.
   object?   -\> Details about 'object', use 'object??' for extra details.
   [TerminalIPythonApp] WARNING | File not found: '/usr/local/google/home/joetoth/bin/python/startup.py'
   In [1]: import apache_beam as beam
   In [2]: from apache_beam.runners.interactive import interactive_runner
   
   \--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\--\---
   AttributeError                            Traceback (most recent call last)
   <ipython-input-2-2ff56761aedc\> in <module\>()
   \--\--\> 1 from apache_beam.runners.interactive import interactive_runner
   
   /usr/local/google/_blaze_joetoth/8a340ca11685334674f82c3618f1e5b3/execroot/google3/blaze-out/k8-fastbuild/bin/experimental/g3p_ba38f6d06246dd255a8eb7dc1cc9fa3485da71d0/wrapper.runfiles/google3/third_party/py/apache_beam/runners/interactive/interactive_runner.py in <module\>()
        32 from apache_beam.runners.interactive import cache_manager as cache
        33 from apache_beam.runners.interactive import pipeline_analyzer
   \---\> 34 from apache_beam.runners.interactive.display import display_manager
        35 from apache_beam.runners.interactive.display import pipeline_graph_renderer
        36
   
   /usr/local/google/_blaze_joetoth/8a340ca11685334674f82c3618f1e5b3/execroot/google3/blaze-out/k8-fastbuild/bin/experimental/g3p_ba38f6d06246dd255a8eb7dc1cc9fa3485da71d0/wrapper.runfiles/google3/third_party/py/apache_beam/runners/interactive/display/display_manager.py in <module\>()
        34   import IPython  # pylint: disable=import-error
        35   # _display_progress defines how outputs are printed on the frontend.
   \---\> 36   _display_progress = IPython.display.display
        37
        38   def _formatter(string, pp, cycle):  # pylint: disable=unused-argument
   
   AttributeError: 'module' object has no attribute 'display'
   
   
   Imported from Jira [BEAM-7622](https://issues.apache.org/jira/browse/BEAM-7622). Original Jira may contain additional context.
   Reported by: weazelb0y.


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