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Check free disk space before copying files to iPod 

git-svn-id: svn://svn.berlios.de/gpodder/trunk@466 b0d088ad-0a06-0410-aad2-9ed5178a7e87
This commit is contained in:
Thomas Perl 2007-11-15 10:10:21 +00:00
parent 7777799e73
commit b164fc3c62
3 changed files with 34 additions and 2 deletions
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10
ChangeLog
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@ -1,3 +1,13 @@
Thu, 15 Nov 2007 11:07:42 +0100 <thp@perli.net>
Check free disk space before copying files to iPod
* src/gpodder/libipodsync.py: Check if the iPod's filesystem has
enough free disk space before copying files over to it, as to not
corrupt the iTunesDB in certain situations and fail when disk is full;
thanks to Nicolas Quienot <niqooo@gmail.com> for the bug report
* src/gpodder/util.py: Add get_free_disk_space() function that
calculates the free (user-available) disk space on a given path
Wed, 14 Nov 2007 21:55:18 +0100 <thp@perli.net>
Add informative tooltips to channel navigator

16
src/gpodder/libipodsync.py
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@ -368,10 +368,22 @@ class gPodder_iPodSync( gPodderSyncMethod):
status_text = _('Already on iPod: %s') % ( episode.title, )
self.set_status( episode = status_text)
return True
log( '(ipodsync) Adding item: %s from %s', episode.title, channel.title)
original_filename = str( episode.local_filename())
local_filename = original_filename
# Reserve 10 MiB for iTunesDB writing (to be on the safe side)
RESERVED_FOR_ITDB = 1024*1024*10
space_for_track = util.get_free_disk_space(self.ipod_mount) - RESERVED_FOR_ITDB
needed = util.calculate_size(local_filename)
if needed > space_for_track:
log('Not enough space on %s: %s available, but need at least %s', self.ipod_mount, util.format_filesize(space_for_track), util.format_filesize(needed), sender = self)
self.errors.append( _('Error copying %s: Not enough free disk space on %s') % (episode.title, self.ipod_mount))
self.cancelled = True
return False
log( '(ipodsync) Adding item: %s from %s', episode.title, channel.title)
if libconverter.converters.has_converter( os.path.splitext( original_filename)[1][1:]):
log('(ipodsync) Converting: %s', original_filename)
callback_status = lambda percentage: self.set_episode_convert_status( episode.title, percentage)

10
src/gpodder/util.py
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@ -136,6 +136,16 @@ def calculate_size( path):
return 0L
def get_free_disk_space(path):
"""
Calculates the free disk space available to the current user
on the file system that contains the given path.
"""
s = os.statvfs(path)
return s.f_bavail * s.f_bsize
def format_filesize( bytesize, use_si_units = False):
"""
Formats the given size in bytes to be human-readable,