# HG changeset patch
# User da-intersect
# Date 1365662632 14400
# Node ID 6cbcc03d170434ad5383a5c49c5a881ba4386e68
# Parent  92a5e47db663066e4aeaee692be56a4359ba38ef
Uploaded

diff -r 92a5e47db663 -r 6cbcc03d1704 tar.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tar.py	Thu Apr 11 02:43:52 2013 -0400
@@ -0,0 +1,30 @@
+from galaxy.datatypes.data import *
+from galaxy.datatypes.metadata import MetadataElement
+from galaxy.datatypes.binary import Binary
+from galaxy.datatypes import metadata
+from galaxy.datatypes.sniff import *
+import tarfile
+
+class Tar( Binary ):
+	"""Class describing a BAM binary file"""
+	file_ext = "tar"
+	def sniff( self, filename ):
+		try:
+			if tarfile.is_tarfile(filename):
+				return True
+		except:
+			return False
+
+	def set_peek( self, dataset, is_multi_byte=False ):
+		if not dataset.dataset.purged:
+			dataset.peek  = "Tar file"
+			dataset.blurb = data.nice_size( dataset.get_size() )
+		else:
+			dataset.peek = 'file does not exist'
+			dataset.blurb = 'file purged from disk'
+
+	def display_peek( self, dataset ):
+		try:
+			return dataset.peek
+		except:
+			return "Tar file" 
\ No newline at end of file