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https://issues.apache.org/jira/browse/NIFI-13824?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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David Handermann updated NIFI-13824:
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Summary: Install Python processor dependencies with one command (was:
Install Python processor dependencies in one go)
> Install Python processor dependencies with one command
> ------------------------------------------------------
>
> Key: NIFI-13824
> URL: https://issues.apache.org/jira/browse/NIFI-13824
> Project: Apache NiFi
> Issue Type: Bug
> Reporter: Ferenc Gerlits
> Assignee: Ferenc Gerlits
> Priority: Minor
> Time Spent: 2h 50m
> Remaining Estimate: 0h
>
> Dependencies for Python processors are defined in two places: the
> {{requirements.txt}} file in the package directory and the
> {{ProcessorDetails.dependencies}} field in the processor class. Currently,
> NiFi first installs the dependencies defined in the former, and then
> separately those defined in the latter.
> This is a problem, because a dependency in the second batch may depend on
> e.g., {{somepackage<2.0}} and if the first batch has already installed
> version {{2.3}} of {{{}somepackage{}}}, then the installation will fail.
> In almost all cases, {{pip}} can find dependency versions which satisfy both
> sets of dependencies, but only if they are all listed in a single {{pip
> install}} command. So we need to merge the two sets of dependencies and
> install them in one go.
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