create a new uniqify_atoms() to properly handle a list of atom instances.

set the reverse dependency lookup to use it.

1 files changed, 13 insertions, 1 deletions

diff --git a/pym/gentoolkit/helpers.py b/pym/gentoolkit/helpers.py
index ab0cdbd..cf1b138 100644
--- a/pym/gentoolkit/helpers.py
+++ b/pym/gentoolkit/helpers.py
@@ -449,7 +449,7 @@ def get_bintree_cpvs(predicate=None):
 	for cpv in chain.from_iterable(BINDB.cp_list(x) for x in installed_cps):
 		yield cpv
 
-	
+
 def print_file(path):
 	"""Display the contents of a file."""
 
@@ -476,4 +476,16 @@ def uniqify(seq, preserve_order=True):
 
 	return result
 
+def uniqify_atoms(seq):
+	"""Return a uniqified list."""
+	seen = set()
+	result = []
+	for x in seq:
+		dep = x.get_depstr()
+		if dep not in seen:
+			result.append(x)
+			seen.add(dep)
+
+	return result
+
 # vim: set ts=4 sw=4 tw=79: