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Bug 1686447 - matrix-synapse prevents update to latest python2-prometheus_client
Summary: matrix-synapse prevents update to latest python2-prometheus_client
Keywords:
Status: NEW
Alias: None
Product: Fedora
Classification: Fedora
Component: matrix-synapse
Version: 29
Hardware: Unspecified
OS: Unspecified
unspecified
unspecified
Target Milestone: ---
Assignee: Jeremy Cline
QA Contact: Fedora Extras Quality Assurance
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2019-03-07 13:32 UTC by Xavier Bachelot
Modified: 2019-03-11 10:51 UTC (History)
3 users (show)

Fixed In Version:
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Description Xavier Bachelot 2019-03-07 13:32:36 UTC
Description of problem:
On an otherwise fully updated Fedora 29 :

 Problem: package matrix-synapse-0.34.0.1-3.fc29.noarch requires python2.7dist(prometheus-client) < 0.4.0, but none of the providers can be installed
  - cannot install both python2-prometheus_client-0.6.0-1.fc29.noarch and python2-prometheus_client-0.2.0-3.fc29.noarch
  - cannot install both python2-prometheus_client-0.2.0-3.fc29.noarch and python2-prometheus_client-0.6.0-1.fc29.noarch
  - cannot install the best update candidate for package python2-prometheus_client-0.2.0-3.fc29.noarch
  - cannot install the best update candidate for package matrix-synapse-0.34.0.1-3.fc29.noarch

Comment 1 Jeremy Cline 2019-03-10 19:39:37 UTC
Unfortunately, a new, backwards-incompatible version of prometheus_client was pushed to stable Fedora repositories. Upstream Synapse still pins its version to 0.4 or lower so the only thing I can really do is work on Synapse to get it working with whatever the new API is. I'm not really sure when I'll have time to do that.

Comment 2 Xavier Bachelot 2019-03-11 10:51:58 UTC
Thanks for the answer.
Unfortunately, 0.99.2 still has the prometheus_client dep restricted to < 0.4, but there is a note about the change just above it.
https://github.com/matrix-org/synapse/blob/b70ea3fa78e20e729a7acbc5b667721098a9e368/synapse/python_dependencies.py#L63
Following the links, one eventually hits https://github.com/matrix-org/synapse/issues/4221, so upstream definitely knows about the issue.
Also, it seems code is starting to get fixed for prometheus_client >= 0.4 :
https://github.com/matrix-org/synapse/pull/4317


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