diff --git a/config/datatypes_conf.xml.sample b/config/datatypes_conf.xml.sample
index 7b84868bee1..e7957e5b158 100644
--- a/config/datatypes_conf.xml.sample
+++ b/config/datatypes_conf.xml.sample
@@ -162,6 +162,7 @@
+
@@ -769,6 +770,7 @@
+
diff --git a/lib/galaxy/datatypes/binary.py b/lib/galaxy/datatypes/binary.py
index 6ada00bde4a..846ed648d5d 100644
--- a/lib/galaxy/datatypes/binary.py
+++ b/lib/galaxy/datatypes/binary.py
@@ -1107,6 +1107,63 @@ class Cool(H5):
return "Cool (HDF5) file (%s)." % (nice_size(dataset.get_size()))
+class MCool(H5):
+ """
+ Class describing the multi-resolution cool format (https://github.com/mirnylab/cooler)
+ """
+
+ file_ext = "mcool"
+
+ def sniff(self, filename):
+ """
+ >>> from galaxy.datatypes.sniff import get_test_fname
+ >>> fname = get_test_fname('matrix.mcool')
+ >>> MCool().sniff(fname)
+ True
+ >>> fname = get_test_fname('test.mz5')
+ >>> MCool().sniff(fname)
+ False
+ >>> fname = get_test_fname('wiggle.wig')
+ >>> MCool().sniff(fname)
+ False
+ >>> fname = get_test_fname('biom2_sparse_otu_table_hdf5.biom2')
+ >>> MCool().sniff(fname)
+ False
+ """
+
+ MAGIC = "HDF5::Cooler"
+ URL = "https://github.com/mirnylab/cooler"
+
+ if super(MCool, self).sniff(filename):
+ keys0 = ['resolutions']
+ with h5py.File(filename, 'r') as handle:
+ if not all(name in handle.keys() for name in keys0):
+ return False
+ res0 = handle['resolutions'].keys()[0]
+ keys = ['chroms', 'bins', 'pixels', 'indexes']
+ fmt = handle['resolutions'][res0].attrs.get('format', None)
+ url = handle['resolutions'][res0].attrs.get('format-url', None)
+ if fmt == MAGIC or url == URL:
+ if not all(name in handle['resolutions'][res0].keys() for name in keys):
+ return False
+ return True
+ return False
+
+ def set_peek(self, dataset, is_multi_byte=False):
+ if not dataset.dataset.purged:
+ dataset.peek = "Multi-resolution Cool (HDF5) file for storing genomic interaction data."
+ dataset.blurb = 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 Exception:
+ return "MCool (HDF5) file (%s)." % (nice_size(dataset.get_size()))
+
+
class Scf(Binary):
"""Class describing an scf binary sequence file"""
edam_format = "format_1632"
diff --git a/test-data/matrix.mcool b/test-data/matrix.mcool
new file mode 100644
index 00000000000..fdc18221c35
Binary files /dev/null and b/test-data/matrix.mcool differ