Make event attributes immutable#1195
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lzchen merged 8 commits intoopen-telemetry:masterfrom Oct 9, 2020
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This PR makes it more difficult for someone to edit the attributes of an `Event` once it has been added to a `Span`, as well as adding some regression tests around the other properties of an `Event` to ensure they have similar protections. It isn't particularly straightforward or idiomatic to make objects truly immutable in Python, but if these steps don't go far enough let me know! Fixes open-telemetry#1038
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lzchen
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Oct 2, 2020
lzchen
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Oct 2, 2020
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Thanks @lzchen, wasn't sure where to put this code so thanks for clearing that up! |
lzchen
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Oct 5, 2020
lzchen
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Oct 5, 2020
owais
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Oct 9, 2020
srikanthccv
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Description
This PR makes it more difficult for someone to edit the attributes of an
Eventonce it has been added to aSpan, as well as adding some regression tests around the other properties of anEventto ensure they have similar protections.It isn't particularly straightforward or idiomatic to make objects truly immutable in Python, but if these steps don't go far enough let me know!
I don't believe a documentation change is necessary because events are meant to be immutable according to the spec, but this should probably be considered a breaking change in case people were relying on the event attributes being mutable up until now.
Fixes #1038
Type of change
Please delete options that are not relevant.
How Has This Been Tested?
I've added regression tests to:
Eventraise an error when someone directly tries to change them; andattributesdictionary tuples.I've also added a new test for my change to make sure that an error is raised if someone tryies to directly edit the
attributesdictionary itself.Checklist: