--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/smart_toolShed/commons/core/parsing/BlastParser.py	Thu Jan 17 10:52:14 2013 -0500
@@ -0,0 +1,88 @@
+#
+# Copyright INRA-URGI 2009-2010
+# 
+# This software is governed by the CeCILL license under French law and
+# abiding by the rules of distribution of free software. You can use,
+# modify and/ or redistribute the software under the terms of the CeCILL
+# license as circulated by CEA, CNRS and INRIA at the following URL
+# "http://www.cecill.info".
+# 
+# As a counterpart to the access to the source code and rights to copy,
+# modify and redistribute granted by the license, users are provided only
+# with a limited warranty and the software's author, the holder of the
+# economic rights, and the successive licensors have only limited
+# liability.
+# 
+# In this respect, the user's attention is drawn to the risks associated
+# with loading, using, modifying and/or developing or reproducing the
+# software by the user in light of its specific status of free software,
+# that may mean that it is complicated to manipulate, and that also
+# therefore means that it is reserved for developers and experienced
+# professionals having in-depth computer knowledge. Users are therefore
+# encouraged to load and test the software's suitability as regards their
+# requirements in conditions enabling the security of their systems and/or
+# data to be ensured and, more generally, to use and operate it in the
+# same conditions as regards security.
+# 
+# The fact that you are presently reading this means that you have had
+# knowledge of the CeCILL license and that you accept its terms.
+#
+import re
+import sys
+from commons.core.parsing.MapperParser import MapperParser
+from SMART.Java.Python.structure.Interval import Interval
+from SMART.Java.Python.structure.SubMapping import SubMapping
+from SMART.Java.Python.structure.Mapping import Mapping
+
+
+class BlastParser(MapperParser):
+    """A class that parses the output of Blast (-m 8 format)"""
+
+    def __init__(self, fileName, verbosity = 0):
+        super(BlastParser, self).__init__(fileName, verbosity)
+
+
+    def __del__(self):
+        super(BlastParser, self).__del__()
+
+
+    def getFileFormats():
+        return ["blast"]
+    getFileFormats = staticmethod(getFileFormats)
+
+
+    def skipFirstLines(self):
+        pass
+
+
+    def parseLine(self, line):
+        m = re.search(r"^(\S+)\s+(\S+)\s+(\d+\.?\d*)\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+)\s+([-+]?\d+\.?\d*[eE]?[-+]?\d*)\s+(\d+\.?\d*)\s*$", line)
+        if m == None:
+            sys.exit("\nLine %d '%s' does not have an Blast format" % (self.currentLineNb, line))
+
+        mapping = Mapping()
+
+        queryInterval = Interval()
+        queryInterval.setName(m.group(1))
+        queryInterval.setStart(min(int(m.group(7)), int(m.group(8))))
+        queryInterval.setEnd(max(int(m.group(7)), int(m.group(8))))
+
+        targetInterval = Interval()
+        targetInterval.setChromosome(m.group(2))
+        targetInterval.setStart(min(int(m.group(9)), int(m.group(10))))
+        targetInterval.setEnd(max(int(m.group(9)), int(m.group(10))))
+
+        subMapping = SubMapping()
+        subMapping.setQueryInterval(queryInterval)
+        subMapping.setTargetInterval(targetInterval)
+
+        mapping.addSubMapping(subMapping)
+
+        mapping.setIdentity(round(float(m.group(3))))
+        mapping.setSize(int(m.group(4)))
+        mapping.setNbMismatches(int(m.group(5)))
+        mapping.setNbGaps(int(m.group(6)))
+        mapping.setDirection((int(m.group(8)) - int(m.group(7))) * (int(m.group(10)) - int(m.group(9))))
+        mapping.setEvalue(float(m.group(11)))
+
+        return mapping