1 files changed, 96 insertions, 0 deletions
diff --git a/pym/_emerge/DepPrioritySatisfiedRange.py b/pym/_emerge/DepPrioritySatisfiedRange.py
new file mode 100644
index 000000000..bb41780c8
--- /dev/null
+++ b/pym/_emerge/DepPrioritySatisfiedRange.py
@@ -0,0 +1,96 @@
+from _emerge.DepPriority import DepPriority
+class DepPrioritySatisfiedRange(object):
+	"""
+	DepPriority                         Index      Category
+
+	not satisfied and buildtime                    HARD
+	not satisfied and runtime              7       MEDIUM
+	not satisfied and runtime_post         6       MEDIUM_SOFT
+	satisfied and buildtime and rebuild    5       SOFT
+	satisfied and buildtime                4       SOFT
+	satisfied and runtime                  3       SOFT
+	satisfied and runtime_post             2       SOFT
+	optional                               1       SOFT
+	(none of the above)                    0       NONE
+	"""
+	MEDIUM      = 7
+	MEDIUM_SOFT = 6
+	SOFT        = 5
+	NONE        = 0
+
+	@classmethod
+	def _ignore_optional(cls, priority):
+		if priority.__class__ is not DepPriority:
+			return False
+		return bool(priority.optional)
+
+	@classmethod
+	def _ignore_satisfied_runtime_post(cls, priority):
+		if priority.__class__ is not DepPriority:
+			return False
+		if priority.optional:
+			return True
+		if not priority.satisfied:
+			return False
+		return bool(priority.runtime_post)
+
+	@classmethod
+	def _ignore_satisfied_runtime(cls, priority):
+		if priority.__class__ is not DepPriority:
+			return False
+		if priority.optional:
+			return True
+		if not priority.satisfied:
+			return False
+		return not priority.buildtime
+
+	@classmethod
+	def _ignore_satisfied_buildtime(cls, priority):
+		if priority.__class__ is not DepPriority:
+			return False
+		if priority.optional:
+			return True
+		if not priority.satisfied:
+			return False
+		if priority.buildtime:
+			return not priority.rebuild
+		return True
+
+	@classmethod
+	def _ignore_satisfied_buildtime_rebuild(cls, priority):
+		if priority.__class__ is not DepPriority:
+			return False
+		if priority.optional:
+			return True
+		return bool(priority.satisfied)
+
+	@classmethod
+	def _ignore_runtime_post(cls, priority):
+		if priority.__class__ is not DepPriority:
+			return False
+		return bool(priority.optional or \
+			priority.satisfied or \
+			priority.runtime_post)
+
+	@classmethod
+	def _ignore_runtime(cls, priority):
+		if priority.__class__ is not DepPriority:
+			return False
+		return bool(priority.satisfied or \
+			not priority.buildtime)
+
+	ignore_medium      = _ignore_runtime
+	ignore_medium_soft = _ignore_runtime_post
+	ignore_soft        = _ignore_satisfied_buildtime_rebuild
+
+
+DepPrioritySatisfiedRange.ignore_priority = (
+	None,
+	DepPrioritySatisfiedRange._ignore_optional,
+	DepPrioritySatisfiedRange._ignore_satisfied_runtime_post,
+	DepPrioritySatisfiedRange._ignore_satisfied_runtime,
+	DepPrioritySatisfiedRange._ignore_satisfied_buildtime,
+	DepPrioritySatisfiedRange._ignore_satisfied_buildtime_rebuild,
+	DepPrioritySatisfiedRange._ignore_runtime_post,
+	DepPrioritySatisfiedRange._ignore_runtime
+)