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1 import tarfile
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2 import galaxy.datatypes.data
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3 from galaxy.datatypes.binary import Binary
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4 from galaxy import util
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5 from galaxy.datatypes.metadata import MetadataElement
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6
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7 class Tar( Binary ):
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8 """Class describing a BAM binary file"""
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9 file_ext = "tar"
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10 def sniff( self, filename ):
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11 try:
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12 if tarfile.is_tarfile(filename):
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13 return True
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14 return False
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15 except:
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16 return False
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17 def set_peek( self, dataset, is_multi_byte=False ):
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18 if not dataset.dataset.purged:
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19 dataset.peek = "Tar file"
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20 dataset.blurb = data.nice_size( dataset.get_size() )
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21 else:
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22 dataset.peek = 'file does not exist'
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23 dataset.blurb = 'file purged from disk'
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24 def display_peek( self, dataset ):
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25 try:
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26 return dataset.peek
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27 except:
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28 return "Tar file (%s)" % ( data.nice_size( dataset.get_size() ) )
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