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15
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1 from galaxy import eggs
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2 import pkg_resources
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3 pkg_resources.require( "bx-python" )
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4
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5 import logging, os, sys, time, sets, tempfile, shutil
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6 import data
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7 from galaxy import util
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8 from galaxy.datatypes.sniff import *
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9 from galaxy.datatypes.binary import Binary
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10 import tarfile
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11
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12 class Tar( Binary ):
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13 """Class describing a BAM binary file"""
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14 file_ext = "tar"
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15 def sniff( self, filename ):
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16 try:
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17 if tarfile.is_tarfile(filename):
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18 return True
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19 return False
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20 except:
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21 return False
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22 def set_peek( self, dataset, is_multi_byte=False ):
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23 if not dataset.dataset.purged:
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24 dataset.peek = "Tar file"
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25 dataset.blurb = data.nice_size( dataset.get_size() )
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26 else:
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27 dataset.peek = 'file does not exist'
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28 dataset.blurb = 'file purged from disk'
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29 def display_peek( self, dataset ):
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30 try:
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31 return dataset.peek
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32 except:
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33 return "Tar file (%s)" % ( data.nice_size( dataset.get_size() ) )
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34
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