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Make HTTPException truthy #3098

Merged
merged 1 commit into from
Jun 21, 2018
Merged

Make HTTPException truthy #3098

merged 1 commit into from
Jun 21, 2018

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jcjf
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@jcjf jcjf commented Jun 21, 2018

What do these changes do?

Fixes #3096

Are there changes in behavior for the user?

More informative tracebacks when using raise from syntax.

Related issue number

#3096

Checklist

  • I think the code is well written
  • Unit tests for the changes exist
  • Documentation reflects the changes
  • If you provide code modification, please add yourself to CONTRIBUTORS.txt
    • The format is <Name> <Surname>.
    • Please keep alphabetical order, the file is sorted by names.
  • Add a new news fragment into the CHANGES folder
    • name it <issue_id>.<type> for example (588.bugfix)
    • if you don't have an issue_id change it to the pr id after creating the pr
    • ensure type is one of the following:
      • .feature: Signifying a new feature.
      • .bugfix: Signifying a bug fix.
      • .doc: Signifying a documentation improvement.
      • .removal: Signifying a deprecation or removal of public API.
      • .misc: A ticket has been closed, but it is not of interest to users.
    • Make sure to use full sentences with correct case and punctuation, for example: "Fix issue with non-ascii contents in doctest text files."

raise Exception('CustomException')
except Exception as exc:
raise web.HTTPException() from exc
tb = ''.join(format_exception(ei.type, ei.value, ei.tb))
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is ei available outside of with block?

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Yes it is.
We use it widely in the test suite:

    with pytest.raises(aiohttp.ClientResponseError) as info:
        await response.start(connection)

    assert info.value.request_info is request_info

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Codecov Report

Merging #3098 into master will increase coverage by <.01%.
The diff coverage is 100%.

Impacted file tree graph

@@            Coverage Diff             @@
##           master    #3098      +/-   ##
==========================================
+ Coverage   98.05%   98.05%   +<.01%     
==========================================
  Files          43       43              
  Lines        7828     7830       +2     
  Branches     1353     1353              
==========================================
+ Hits         7676     7678       +2     
  Misses         56       56              
  Partials       96       96
Impacted Files Coverage Δ
aiohttp/web_exceptions.py 100% <100%> (ø) ⬆️

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raise Exception('CustomException')
except Exception as exc:
raise web.HTTPException() from exc
tb = ''.join(format_exception(ei.type, ei.value, ei.tb))
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Yes it is.
We use it widely in the test suite:

    with pytest.raises(aiohttp.ClientResponseError) as info:
        await response.start(connection)

    assert info.value.request_info is request_info

@asvetlov asvetlov merged commit e91af72 into aio-libs:master Jun 21, 2018
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@jcjf Thank you

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lock bot commented Oct 28, 2019

This thread has been automatically locked since there has not been any recent activity after it was closed. Please open a [new issue] for related bugs.
If you feel like there's important points made in this discussion, please include those exceprts into that [new issue].
[new issue]: https://github.com/aio-libs/aiohttp/issues/new

@lock lock bot added the outdated label Oct 28, 2019
@lock lock bot locked as resolved and limited conversation to collaborators Oct 28, 2019
@psf-chronographer psf-chronographer bot added the bot:chronographer:provided There is a change note present in this PR label Oct 28, 2019
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HTTPException should retain cause information
4 participants