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https://issues.apache.org/jira/browse/DLAB-1750?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17164423#comment-17164423
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Vira Vitanska commented on DLAB-1750:
-------------------------------------

*Closed:*

Commit ID 8ac13fdebb74ee746fec8d3ec7e70781861f9378.

> [Front-end]: Support library installation of particular version from DLab UI 
> -----------------------------------------------------------------------------
>
>                 Key: DLAB-1750
>                 URL: https://issues.apache.org/jira/browse/DLAB-1750
>             Project: Apache DLab
>          Issue Type: Improvement
>          Components: DLab Main
>            Reporter: Vira Vitanska
>            Assignee: Dmytro Gnatyshyn
>            Priority: Major
>              Labels: AWS, AZURE, Debian, Front-end, GCP, RedHat, 
> pull-request-available
>
> As user I want to install particular version of library, so that I can easily 
> upgrade or downgrade the library by demand.
>  +How it works now:+
>  # If library is already installed on instance (this library was previous 
> installed during notebook creation) and user installs the same library via 
> DLab UI. And as result DLab shows installing -> installed, but in fact this 
> library is not installed by DLab, Dlab finds that such library is previously 
> installed and changes status installing -> installed. This case is actual 
> when user want to install upper version of library. So make possible to 
> install library like <library_name==version> via DLab UI. For example, this 
> bug was found with library 'request'.
>  # Also if update Python 3 via terminal it shows that it is upgraded but in 
> some minutes it is downgraded again. (It was on Jupyter)
> ----
> *How should it work:*
>  - If user types wrong library version the output appears where there is a 
> list of versions for this library
>  - If user types right library version this library version should be 
> installed
>  - On top of that what dependencies are added during installation should be 
> conveyed to user (?) {color:#de350b}I{color}{color:#de350b}n{color} what way 
> it should be conveyed?
>  - The latest installed library should be in the top of the libraries grid.
> ----
> *Issues:*
>  - Do not allow to choose library for cluster installation if available lib 
> list is not gained for cluster.
>  
> ----
> *Update1:*
> 1. Template for r package installation <name_lib>, version=<x.x.x>
> 2. Template for apt/yum installation <package name>=<x.x.x>
> 3. Template for python installation <name_lib>==<x.x.x>
> 4. If users types only lib_name with == or = show information about available 
> versions
> 5. If users types only lib_name without == or = then it is installed the 
> latest version
>  
>  
>  



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