[#138] Added a very preliminary version of the prioritization dialog. A big part of this commit is about refactoring the tests and introducing a TestApp for dupeGuru (in core.tests.base).

core/prioritize.py

@@ -0,0 +1,41 @@
+# Created By: Virgil Dupras
+# Created On: 2011/09/07
+# Copyright 2011 Hardcoded Software (http://www.hardcoded.net)
+# 
+# This software is licensed under the "BSD" License as described in the "LICENSE" file, 
+# which should be included with this package. The terms are also available at 
+# http://www.hardcoded.net/licenses/bsd_license
+
+from hscommon.util import dedupe, flatten
+
+class CriterionCategory:
+    NAME = "Undefined"
+    
+    def __init__(self, results):
+        self.results = results
+    
+    #--- Virtual
+    def _extract_value(self, dupe):
+        raise NotImplementedError()
+    
+    #--- Public
+    def criteria_list(self):
+        dupes = flatten(g[:] for g in self.results.groups)
+        values = dedupe(self._extract_value(d) for d in dupes)
+        return [Criterion(self, value) for value in values]
+
+class Criterion:
+    def __init__(self, category, value):
+        self.category = category
+        self.value = value
+    
+    @property
+    def display(self):
+        return "{} ({})".format(self.category, self.value)
+    
+
+class KindCategory(CriterionCategory):
+    NAME = "Kind"
+    
+    def _extract_value(self, dupe):
+        return dupe.extension