[ubuntu-mono] [Bug 788532] [NEW] U1 music store plugin severely delays banshee startup

[Pete Goodall]

Public bug reported:

Binary package hint: banshee

Everytime Banshee starts a blank window appears, then after a few
seconds it turns grey and stays grey for about 20 seconds, then finally
the UI populates.  I ran Banshee with --debug and piped the output to a
log file using tee.  I watched the log file while Banshee starts and as
soon as all the plugins are loaded the U1 music store plugin start
iterating over every music file I have purchased checking whether it has
been copied to ~/Music.  If the file already exists then the log says
something like "not copying because this file already exists in
${HOME}/Music/.  During this exhaustive check is when Banshee's window
goes grey (which is I think Compiz telling me the window is not sending
updates and inactive).  As soon as those checks end, Banshee paints the
window and I can use Banshee.

I thought maybe the problem was that the files didn't need to be in
~/Music, so I deleted any files in ~/Music that were already in
~/.ubuntuone/Purchased from Ubuntu One/.  On next startup the log file
showed the check w/o the "not copying messages" and Banshee started
somewhat faster (but by no means fast).  I noticed I missed one file so
I deleted that file in ~/Music and reran Banshee and watched the log
file.  This time again all the files were back in ~/Music and Banshee
took forever to start.

This may have one other side effect.  I noticed that many of my
purchased songs show up multiple times in my Library.  For instance, I
purchased a song call "Hello" by Martin Solvig and that appears in my
library five times.  Looking in ~/Music I see the file has been copied
multiple times so I have the same file name with (n) appended to it.  If
I delete the dups they just reappear over time.

This all seems very broken and wrong.

1.  Why does the U1MS plugin need to check every time for purchases it has already recognised?
2.  Why do the files need to be copied to ~/Music when it could just watch ~/.ubuntuone/Purchased from Ubuntu One/
3.  Why do I keep getting multiple copies of purchased songs even after I delete the duplicates?

Will attach my latest log file.

ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: banshee-extension-ubuntuonemusicstore 2.0.0-2ubuntu1
ProcVersionSignature: Ubuntu 2.6.38-8.42-generic-pae 2.6.38.2
Uname: Linux 2.6.38-8-generic-pae i686
NonfreeKernelModules: wl
Architecture: i386
Date: Thu May 26 09:57:33 2011
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Alpha i386 (20110120)
ProcEnviron:
 LANGUAGE=en_GB:en
 PATH=(custom, user)
 LANG=en_GB.UTF-8
 SHELL=/bin/bash
SourcePackage: banshee
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: banshee (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: apport-bug i386 natty running-unity unity-2d

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https://bugs.launchpad.net/bugs/788532

Title:
  U1 music store plugin severely delays banshee startup

Status in “banshee” package in Ubuntu:
  New

Bug description:
  Binary package hint: banshee

  Everytime Banshee starts a blank window appears, then after a few
  seconds it turns grey and stays grey for about 20 seconds, then
  finally the UI populates.  I ran Banshee with --debug and piped the
  output to a log file using tee.  I watched the log file while Banshee
  starts and as soon as all the plugins are loaded the U1 music store
  plugin start iterating over every music file I have purchased checking
  whether it has been copied to ~/Music.  If the file already exists
  then the log says something like "not copying because this file
  already exists in  ${HOME}/Music/.  During this exhaustive check is
  when Banshee's window goes grey (which is I think Compiz telling me
  the window is not sending updates and inactive).  As soon as those
  checks end, Banshee paints the window and I can use Banshee.

  I thought maybe the problem was that the files didn't need to be in
  ~/Music, so I deleted any files in ~/Music that were already in
  ~/.ubuntuone/Purchased from Ubuntu One/.  On next startup the log file
  showed the check w/o the "not copying messages" and Banshee started
  somewhat faster (but by no means fast).  I noticed I missed one file
  so I deleted that file in ~/Music and reran Banshee and watched the
  log file.  This time again all the files were back in ~/Music and
  Banshee took forever to start.

  This may have one other side effect.  I noticed that many of my
  purchased songs show up multiple times in my Library.  For instance, I
  purchased a song call "Hello" by Martin Solvig and that appears in my
  library five times.  Looking in ~/Music I see the file has been copied
  multiple times so I have the same file name with (n) appended to it.
  If I delete the dups they just reappear over time.

  This all seems very broken and wrong.

  1.  Why does the U1MS plugin need to check every time for purchases it has already recognised?
  2.  Why do the files need to be copied to ~/Music when it could just watch ~/.ubuntuone/Purchased from Ubuntu One/
  3.  Why do I keep getting multiple copies of purchased songs even after I delete the duplicates?

  Will attach my latest log file.

  ProblemType: Bug
  DistroRelease: Ubuntu 11.04
  Package: banshee-extension-ubuntuonemusicstore 2.0.0-2ubuntu1
  ProcVersionSignature: Ubuntu 2.6.38-8.42-generic-pae 2.6.38.2
  Uname: Linux 2.6.38-8-generic-pae i686
  NonfreeKernelModules: wl
  Architecture: i386
  Date: Thu May 26 09:57:33 2011
  InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Alpha i386 (20110120)
  ProcEnviron:
   LANGUAGE=en_GB:en
   PATH=(custom, user)
   LANG=en_GB.UTF-8
   SHELL=/bin/bash
  SourcePackage: banshee
  UpgradeStatus: No upgrade log present (probably fresh install)