diff TEisotools-1.1.a/commons/core/coord/SplitOnLength.py @ 13:feef9a0db09d draft

Uploaded

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/TEisotools-1.1.a/commons/core/coord/SplitOnLength.py	Wed Jul 20 09:04:42 2016 -0400
@@ -0,0 +1,73 @@
+# Copyright INRA (Institut National de la Recherche Agronomique)
+# http://www.inra.fr
+# http://urgi.versailles.inra.fr
+#
+# 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.
+
+from commons.core.LoggerFactory import LoggerFactory
+
+LOG_DEPTH = "repet.commons.core.coord"
+
+## Splits a list of objects implementing getLength() based on a list of length thresholds
+#
+class SplitOnLength(object):
+
+    def __init__(self, lObjects, lThresholds, verbosity = 0):
+        self._log = LoggerFactory.createLogger("%s.%s" % (LOG_DEPTH, self.__class__.__name__), verbosity = verbosity)
+        self._lObjects = lObjects
+        self._lThresholds = lThresholds
+    
+    ## Splits the list of objects over the list of thresholds.
+    #
+    # @return a list of lists (groups) of objects
+    #
+    def split(self):
+        lSplit = [self._lObjects]
+        doObjectsImplementGetLength = False not in set([hasattr(o, "getLength") for o in self._lObjects])
+
+        if not self._lObjects:
+            self._log.warning("Empty input objects list, no split.")
+        elif not doObjectsImplementGetLength:
+            self._log.warning("At least one object in the list does not implement getLength(), no split.")
+        elif not self._lThresholds:
+            self._log.warning("Empty input thresholds list, no split.")
+        elif not self._lThresholds == sorted(self._lThresholds):
+            self._log.warning("Input thresholds list isn't sorted, no split. (%s)" % self._lThresholds)
+        else:
+            lSplit = [[] for i in xrange(len(self._lThresholds) + 1)]
+
+            for obj in self._lObjects:
+                if obj.getLength() <= self._lThresholds[0]:
+                    lSplit[0].append(obj)
+                elif self._lThresholds[-1] < obj.getLength():
+                    lSplit[-1].append(obj)
+                else:
+                    for i in range(0, len(self._lThresholds) - 1):
+                        if self._lThresholds[i] < obj.getLength() <= self._lThresholds[i + 1]:
+                            lSplit[i + 1].append(obj)
+                            break
+        return lSplit