From 48574cee03a8f6cc26441122eaef0b0ee0dba40c Mon Sep 17 00:00:00 2001
From: "Alex A. Naanou" <alex.nanou@gmail.com>
Date: Tue, 4 Oct 2011 19:11:18 +0400
Subject: [PATCH] added .relatedtags(...) to tags.py...

Signed-off-by: Alex A. Naanou <alex.nanou@gmail.com>
---
 TODO.otl |  7 ++++---
 tags.py  | 25 ++++++++++++++++++++++---
 2 files changed, 26 insertions(+), 6 deletions(-)

diff --git a/TODO.otl b/TODO.otl
index f455df2f..d9c0206f 100755
--- a/TODO.otl
+++ b/TODO.otl
@@ -1,4 +1,4 @@
-[_] 11% general tasks
+[_] 14% general tasks
 	[_] 0% actions:
 		[_] import
 		[_] export/build
@@ -47,8 +47,9 @@
 			| this can happen when adding a new object to a tag via an .update(...) method, in-place.
 			|
 			| need to use immutable data only.
-	[_] 0% compleate the new tags module
-		[_] .relatedtags(...)
+	[_] 33% compleate the new tags module
+		[X] .relatedtags(...)
+		[_] see if we need strict and non-strict .relatedtags(...)
 		[_] concatinative mode or abbility to build new tagsets from selections
 	[_] import test images and ratings
 	[_] importer based on xmpgen
diff --git a/tags.py b/tags.py
index e9ff6664..9f8f55bf 100755
--- a/tags.py
+++ b/tags.py
@@ -1,7 +1,7 @@
 #=======================================================================
 
 __version__ = '''0.0.01'''
-__sub_version__ = '''20111001012751'''
+__sub_version__ = '''20111004190928'''
 __copyright__ = '''(c) Alex A. Naanou 2011'''
 
 
@@ -145,8 +145,22 @@ class TagSetWithReverseIndexMixin(AbstractTagSet):
 		return self._reverse_index.keys()
 
 
+
+#------------------------------------------TagSetWithRelatedTagsMixin---
+class TagSetWithRelatedTagsMixin(AbstractTagSet):
+	'''
+
+	NOTE: this requires the .tags(...) method.
+	'''
+	##!!! should be two modes: strict (all) and non-strict (any)...
+	def relatedtags(self, *tags):
+		'''
+		'''
+		return self.tags(*self.all(*tags)).difference(tags)
+		
+
 #--------------------------------------------------------------TagSet---
-class TagSet(TagSetWithReverseIndexMixin, BasicTagSet):
+class TagSet(TagSetWithRelatedTagsMixin, TagSetWithReverseIndexMixin, BasicTagSet):
 	'''
 	'''
 	pass
@@ -224,7 +238,8 @@ if __name__ == '__main__':
 ##	ts = TagSetWithObjectIndex()
 
 
-	N = 100000
+##	N = 100000
+	N = 1000
 	obj_tpl = 'image%010d'
 
 	def populate_tagset():
@@ -263,6 +278,10 @@ if __name__ == '__main__':
 	print ts.tags(obj_tpl % 0)
 	print ts.tags(obj_tpl % 10)
 
+	print ts.relatedtags('image')
+	print ts.relatedtags('image', '0')
+	print ts.relatedtags('10')
+
 
 	print 'selecting (all)...',
 	t0 = time()