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Fix output stream failures (Windows) #4375

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@memsharded memsharded commented Jan 24, 2019

Changelog: Fix: Implemented retrial of output to stdout stream when the OS (Windows) is holding it and producing IOError for output
Docs: Omit

Close #4277

@ghost ghost assigned memsharded Jan 24, 2019
@ghost ghost added the stage: review label Jan 24, 2019
@memsharded memsharded added this to the 1.12 milestone Jan 24, 2019
@lasote lasote changed the title Feature/unzip conan progress bar Fix output stream failures (Windows) Jan 24, 2019
@lasote lasote requested a review from jgsogo Jan 24, 2019
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@jgsogo jgsogo left a comment

Add some disclaimer around the weird for that fixes the issue

if newline:
data = "%s\n" % data

for _ in range(3):
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@jgsogo jgsogo Jan 25, 2019

Ok, this might work and fix the issue, but at least we need some kind of disclaimer for this block of code, maybe a link to the issue, an explanation, (I suppose that a test is impossible)... otherwise anyone having a look at this hack may delete it.

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@SSE4 SSE4 Jan 25, 2019

@jgsogo may be it's possible to mock self._stream.write in test, so it throws an error 3 times?

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@memsharded memsharded Jan 25, 2019

Added comments and a test patching the stream.write.

conans/util/progress_bar.py Show resolved Hide resolved
jgsogo
jgsogo approved these changes Jan 25, 2019
@memsharded memsharded merged commit 0b7b3ca into conan-io:develop Jan 25, 2019
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@ghost ghost removed the stage: review label Jan 25, 2019
@memsharded memsharded deleted the feature/unzip_conan_progress_bar branch Jan 25, 2019
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4 participants