Minor fixes.

Tássia Camões Araújo
1 parent f8dca06c
Showing 5 changed files with 46 additions and 25 deletions Show diff stats
src/app_recommender.py
src/data.py
src/evaluation.py
src/singleton.py
src/strategy.py
@@ -37,7 +37,7 @@ if __name__ == &#39;__main__&#39;:
         cfg = Config()
         rec = Recommender(cfg)
         user = LocalSystem()
-        user.maximal_pkg_profile()
+        user.no_auto_pkg_profile()
         begin_time = datetime.datetime.now()
         logging.debug("Recommendation computation started at %s" % begin_time)
@@ -27,6 +27,7 @@ import logging
 import hashlib
 from error import Error
+from singleton import Singleton
 class Item:
     """
@@ -52,19 +53,6 @@ def normalize_tags(string):
     """
     return string.replace(':','_').replace('-','\'')
-class Singleton(object):
-    """
-    Base class for inheritance of only-one-instance classes.
-    Singleton design pattern.
-    """
-    def __new__(cls, *args, **kwargs):
-        """
-        Creates a new instance of the class only if none already exists.
-        """
-        if '_inst' not in vars(cls):
-            cls._inst = object.__new__(cls)
-        return cls._inst
-
 class TagsXapianIndex(xapian.WritableDatabase,Singleton):
     """
     Data source for tags info defined as a singleton xapian database.
@@ -24,8 +24,9 @@ import logging
 from user import *
 from recommender import *
+from singleton import Singleton
-class Metric:
+class Metric(Singleton):
     """
     Base class for metrics. Strategy design pattern.
     """
@@ -40,7 +41,7 @@ class Precision(Metric):
         """
         Set metric description.
         """
-        self.desc = " Precision "
+        self.desc = "  Precision  "
     def run(self,evaluation):
         """
@@ -57,7 +58,7 @@ class Recall(Metric):
         """
         Set metric description.
         """
-        self.desc = "   Recall  "
+        self.desc = "    Recall   "
     def run(self,evaluation):
         """
@@ -74,7 +75,7 @@ class F1(Metric):
         """
         Set metric description.
         """
-        self.desc = "     F1    "
+        self.desc = "      F1     "
     def run(self,evaluation):
         """
@@ -92,7 +93,7 @@ class MAE(Metric):
         """
         Set metric description.
         """
-        self.desc = "    MAE    "
+        self.desc = "     MAE     "
     def get_errors(self,evaluation):
         """
@@ -125,7 +126,7 @@ class MSE(MAE):
         """
         Set metric description.
         """
-        self.desc = "    MSE    "
+        self.desc = "     MSE     "
     def run(self,evaluation):
         """
@@ -144,7 +145,7 @@ class Coverage(Metric):
         """
         Set initial parameters.
         """
-        self.desc = "  Coverage "
+        self.desc = "   Coverage  "
         self.repository_size = repository_size
         self.covered = set()
@@ -214,14 +215,14 @@ class CrossValidation:
         for r in range(self.rounds):
             metrics_result = ""
             for metric in self.metrics_list:
-                metrics_result += ("    %.2f   |" %
-                                   (self.cross_results[metric.desc][r]))
+                metrics_result += ("     %2.1f%%    |" %
+                                   (self.cross_results[metric.desc][r]*100))
             str += "|   %d   |%s\n" % (r,metrics_result)
         metrics_mean = ""
         for metric in self.metrics_list:
             mean = float(sum(self.cross_results[metric.desc]) /
                          len(self.cross_results[metric.desc]))
-            metrics_mean += "    %.2f   |" % (mean)
+            metrics_mean += "     %2.1f%%    |" % (mean*100)
         str += "|  Mean |%s\n" % (metrics_mean)
         return str
@@ -0,0 +1,31 @@
+#!/usr/bin/python
+
+#  singleton - python class that implements singleton design pattern.
+#
+#  Copyright (C) 2010  Tassia Camoes <tassia@gmail.com>
+#
+#  This program is free software: you can redistribute it and/or modify
+#  it under the terms of the GNU General Public License as published by
+#  the Free Software Foundation, either version 3 of the License, or
+#  (at your option) any later version.
+#
+#  This program is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#  GNU General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License
+#  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+class Singleton(object):
+    """
+    Base class for inheritance of only-one-instance classes.
+    Singleton design pattern.
+    """
+    def __new__(cls, *args, **kwargs):
+        """
+        Creates a new instance of the class only if none already exists.
+        """
+        if '_inst' not in vars(cls):
+            cls._inst = object.__new__(cls)
+        return cls._inst
+
@@ -21,9 +21,10 @@
 import os, re
 import xapian
 from data import *
+from singleton import Singleton
 import recommender
-class ReputationHeuristic:
+class ReputationHeuristic(Singleton):
     """
     Abstraction for diferent reputation heuristics.
     """
	@@ -37,7 +37,7 @@ if __name__ == '__main__':		@@ -37,7 +37,7 @@ if __name__ == '__main__':
37	cfg = Config()	37	cfg = Config()
38	rec = Recommender(cfg)	38	rec = Recommender(cfg)
39	user = LocalSystem()	39	user = LocalSystem()
40	- user.maximal_pkg_profile()	40	+ user.no_auto_pkg_profile()
41		41
42	begin_time = datetime.datetime.now()	42	begin_time = datetime.datetime.now()
43	logging.debug("Recommendation computation started at %s" % begin_time)	43	logging.debug("Recommendation computation started at %s" % begin_time)
	@@ -27,6 +27,7 @@ import logging		@@ -27,6 +27,7 @@ import logging
27	import hashlib	27	import hashlib
28		28
29	from error import Error	29	from error import Error
		30	+from singleton import Singleton
30		31
31	class Item:	32	class Item:
32	"""	33	"""
	@@ -52,19 +53,6 @@ def normalize_tags(string):		@@ -52,19 +53,6 @@ def normalize_tags(string):
52	"""	53	"""
53	return string.replace(':','_').replace('-','\'')	54	return string.replace(':','_').replace('-','\'')
54		55
55	-class Singleton(object):
56	- """
57	- Base class for inheritance of only-one-instance classes.
58	- Singleton design pattern.
59	- """
60	- def __new__(cls, args, *kwargs):
61	- """
62	- Creates a new instance of the class only if none already exists.
63	- """
64	- if '_inst' not in vars(cls):
65	- cls._inst = object.__new__(cls)
66	- return cls._inst
67	-
68	class TagsXapianIndex(xapian.WritableDatabase,Singleton):	56	class TagsXapianIndex(xapian.WritableDatabase,Singleton):
69	"""	57	"""
70	Data source for tags info defined as a singleton xapian database.	58	Data source for tags info defined as a singleton xapian database.
@@ -0,0 +1,31 @@		@@ -0,0 +1,31 @@
	1	+#!/usr/bin/python
	2	+
	3	+# singleton - python class that implements singleton design pattern.
	4	+#
	5	+# Copyright (C) 2010 Tassia Camoes <tassia@gmail.com>
	6	+#
	7	+# This program is free software: you can redistribute it and/or modify
	8	+# it under the terms of the GNU General Public License as published by
	9	+# the Free Software Foundation, either version 3 of the License, or
	10	+# (at your option) any later version.
	11	+#
	12	+# This program is distributed in the hope that it will be useful,
	13	+# but WITHOUT ANY WARRANTY; without even the implied warranty of
	14	+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	15	+# GNU General Public License for more details.
	16	+#
	17	+# You should have received a copy of the GNU General Public License
	18	+# along with this program. If not, see <http://www.gnu.org/licenses/>.
	19	+class Singleton(object):
	20	+ """
	21	+ Base class for inheritance of only-one-instance classes.
	22	+ Singleton design pattern.
	23	+ """
	24	+ def __new__(cls, args, *kwargs):
	25	+ """
	26	+ Creates a new instance of the class only if none already exists.
	27	+ """
	28	+ if '_inst' not in vars(cls):
	29	+ cls._inst = object.__new__(cls)
	30	+ return cls._inst
	31	+