Add a IUSE.missing repoman category for packages that have a USE

conditional which references a flag that is not listed in IUSE.
Also split out a Package._metadata_exception() method to handle
IUSE.missing for *DEPEND and SRC_URI.

2 files changed, 8 insertions, 3 deletions

diff --git a/pym/portage/dep/__init__.py b/pym/portage/dep/__init__.py
index 499b43fc0..36b655f7c 100644
--- a/pym/portage/dep/__init__.py
+++ b/pym/portage/dep/__init__.py
@@ -307,9 +307,11 @@ def use_reduce(depstr, uselist=[], masklist=[], matchall=False, excludeall=[], i
 		
 		if is_valid_flag:
 			if not is_valid_flag(flag):
-				raise portage.exception.InvalidDependString(
-					_("use flag '%s' is not referencable in conditional '%s' (flag missing from IUSE?)") \
-						% (flag, conditional))
+				msg = _("USE flag '%s' referenced in " + \
+					"conditional '%s' is not in IUSE") \
+					% (flag, conditional)
+				e = InvalidData(msg, category='IUSE.missing')
+				raise portage.exception.InvalidDependString(msg, errors=(e,))
 		else:
 			if _valid_use_re.match(flag) is None:
 				raise portage.exception.InvalidDependString(
diff --git a/pym/portage/exception.py b/pym/portage/exception.py
index b289b6285..9564af98a 100644
--- a/pym/portage/exception.py
+++ b/pym/portage/exception.py
@@ -52,6 +52,9 @@ class ParseError(PortageException):
 
 class InvalidData(PortageException):
 	"""An incorrect formatting was passed instead of the expected one"""
+	def __init__(self, value, category=None):
+		PortageException.__init__(self, value)
+		self.category = category
 
 class InvalidDataType(PortageException):
 	"""An incorrect type was passed instead of the expected one"""