changeset 7:1581c2d80588

Uploaded

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tar.py	Thu Apr 11 01:28:30 2013 -0400
@@ -0,0 +1,36 @@
+import data, logging, binascii
+from galaxy.datatypes.metadata import MetadataElement
+from galaxy.datatypes import metadata
+from galaxy.datatypes.sniff import *
+from galaxy import eggs
+import pkg_resources
+pkg_resources.require( "bx-python" )
+from urllib import urlencode, quote_plus
+import zipfile, gzip
+import os, subprocess, tempfile, tarfile
+import struct
+
+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 (%s)" % ( data.nice_size( dataset.get_size() ) )
+