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Viewing changes to common/snapshots.py

Committer: Dan
Date: 2010-11-02 20:51:40 UTC
Revision ID: dan@le-web.org-20101102205140-904sag1kuwvm2ie3

dev

files modified:
common/config.py

common/snapshots.py

gnome/settingsdialog.glade

gnome/settingsdialog.py

kde4/settingsdialog.py

Show diffs side-by-side

added added

removed removed

common/snapshots.py

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return [ True, has_errors ]

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def _smart_remove_keep_all_( self, snapshots, keep_snapshots, min_date ):

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def _smart_remove_keep_all_( self, snapshots, keep_snapshots, min_date, max_date ):

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min_id = self.get_snapshot_id( min_date )

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max_id = self.get_snapshot_id( max_date )

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logger.info( "[smart remove] keep all >= %s" % min_id )

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logger.info( "[smart remove] keep all >= %s and < %s" % ( min_id, max_id ) )

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for snapshot_id in snapshots:

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if snapshot_id >= min_id:

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if snapshot_id >= min_id and snapshot_id < max_id:

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if snapshot_id not in keep_snapshots:

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keep_snapshots.append( snapshot_id )

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return keep_snapshots

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def _smart_remove_keep_first_( self, snapshots, keep_snapshots, min_date, max_date ):

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max_id = self.get_snapshot_id( max_date + datetime.timedelta( days = 1 ) )

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min_id = self.get_snapshot_id( min_date )

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max_id = self.get_snapshot_id( max_date )

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logger.info( "[smart remove] keep first >= %s and < %s" % ( min_id, max_id ) )

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return keep_snapshots

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def smart_remove( self, now_full = None ):

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def inc_month( self, date ):

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y = date.year

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m = date.month + 1

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if m > 12:

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m = 1

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y = y + 1

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return datetime.date( y, m, 1 )

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def dec_month( self, date ):

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y = date.year

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m = date.month - 1

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if m < 1:

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m = 12

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y = y - 1

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return datetime.date( y, m, 1 )

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def smart_remove( self, now_full, keep_all, keep_one_per_day, keep_one_per_week, keep_one_per_month ):

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snapshots = self.get_snapshots_list()

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logger.info( "[smart remove] considered: %s" % snapshots )

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if len( snapshots ) <= 1:

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if now_full is None:

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now_full = datetime.datetime.today()

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now = datetime.datetime( now_full.year, now_full.month, now_full.day )

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now = now_full.date()

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#keep the last snapshot

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keep_snapshots = [ snapshots[0] ]

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#keep all from today and yesterday

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keep_snapshots = self._smart_remove_keep_all_( snapshots, keep_snapshots, now - datetime.timedelta( days = 1 ) )

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#last week

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max_date = now - datetime.timedelta( days = now.weekday() + 1 )

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min_date = max_date - datetime.timedelta( days = 6 )

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keep_snapshots = self._smart_remove_keep_first_( snapshots, keep_snapshots, min_date, max_date )

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#2 weeks ago

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max_date = max_date - datetime.timedelta( days = 7 )

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min_date = min_date - datetime.timedelta( days = 7 )

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keep_snapshots = self._smart_remove_keep_first_( snapshots, keep_snapshots, min_date, max_date )

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#one per month for all months of this year and last year

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if now.date > 1:

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#this year months

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for month in xrange( 1, now.month ):

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#print "month: %s" % month

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min_date = datetime.date( now.year, month, 1 )

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max_date = datetime.date( now.year, month + 1, 1 ) - datetime.timedelta( days = 1 )

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keep_snapshots = self._smart_remove_keep_first_( snapshots, keep_snapshots, min_date, max_date )

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#last year months

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for month in xrange( 1, 12 ):

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#print "month: %s" % month

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min_date = datetime.date( now.year - 1, month, 1 )

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max_date = datetime.date( now.year - 1, month + 1, 1 ) - datetime.timedelta( days = 1 )

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keep_snapshots = self._smart_remove_keep_first_( snapshots, keep_snapshots, min_date, max_date )

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min_date = datetime.date( now.year - 1, 12, 1 )

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max_date = datetime.date( now.year, 1, 1 ) - datetime.timedelta( days = 1 )

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keep_snapshots = self._smart_remove_keep_first_( snapshots, keep_snapshots, min_date, max_date )

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#one per year for all previous years

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min_year = int( snapshots[ -1 ][ :4 ] )

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for year in xrange( min_year, now.year - 1 ):

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#print "year: %s" % year

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min_date = datetime.date( year, 1, 1 )

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max_date = datetime.date( year + 1, 1, 1 ) - datetime.timedelta( days = 1 )

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keep_snapshots = self._smart_remove_keep_first_( snapshots, keep_snapshots, min_date, max_date )

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#keep all for the last keep_all days

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if keep_all > 0:

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keep_snapshots = self._smart_remove_keep_all_( snapshots, keep_snapshots, now - datetime.timedelta( days=keep_all-1), now + datetime.timedelta(days=1) )

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#keep one per days for the last keep_one_per_day days

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if keep_one_per_day > 0:

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d = now

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for i in xrange( 0, keep_one_per_day ):

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keep_snapshots = self._smart_remove_keep_first_( snapshots, keep_snapshots, d, d + datetime.timedelta(days=1) )

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d = d - datetime.timedelta(days=1)

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#keep one per week for the last keep_one_per_week weeks

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if keep_one_per_week > 0:

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d = now - datetime.timedelta( days = now.weekday() + 1 )

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for i in xrange( 0, keep_one_per_week ):

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keep_snapshots = self._smart_remove_keep_first_( snapshots, keep_snapshots, d, d + datetime.timedelta(days=8) )

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d = d - datetime.timedelta(days=7)

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#keep one per month for the last keep_one_per_month months

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if keep_one_per_month > 0:

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d1 = datetime.date( now.year, now.month, 1 )

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d2 = self.inc_date( d1 )

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for i in xrange( 0, keep_one_per_month ):

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keep_snapshots = self._smart_remove_keep_first_( snapshots, keep_snapshots, d1, d2 )

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d2 = d1

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d1 = self.dec_month(1)

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#keep one per year for all years

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first_year = int(snapshots[-1][ : 4])

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for i in xrange( first_year, now.year()+1 ):

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keep_snapshots = self._smart_remove_keep_first_( snapshots, keep_snapshots, datetime.date(i,1,1), datetime.date(i+1,1,1) )

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logger.info( "[smart remove] keep snapshots: %s" % keep_snapshots )

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del snapshots[0]

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#smart remove

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if self.config.get_smart_remove():

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smart_remove, keep_all, keep_one_per_day, keep_one_per_week, keep_one_per_month, keep_one_per_year = self.config.get_smart_remove()

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if smart_remove:

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self.set_take_snapshot_message( 0, _('Smart remove') )

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self.smart_remove( now )

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self.smart_remove( now, keep_all, keep_one_per_day, keep_one_per_week, keep_one_per_month, keep_one_per_year )

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#try to keep min free space

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if self.config.is_min_free_space_enabled():

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