4 files changed, 35 insertions, 30 deletions

diff --git a/grc/base/Param.py b/grc/base/Param.py
index d1b22454f..21d306592 100644
--- a/grc/base/Param.py
+++ b/grc/base/Param.py
@@ -128,14 +128,12 @@ class Option(Element):
 
 class Param(Element):
 
-	def __init__(self, block, n, types):
+	def __init__(self, block, n):
 		"""
 		Make a new param from nested data.
 		@param block the parent element
 		@param n the nested odict
-		@param types a list of possible types
 		"""
-		self._types = types
 		#grab the data
 		self._name = n.find('name')
 		self._key = n.find('key')
@@ -183,7 +181,7 @@ class Param(Element):
 		The value must be evaluated and type must a possible type.
 		"""
 		Element.validate(self)
-		try: assert self.get_type() in self._types
+		try: assert self.get_type() in self.get_types()
 		except AssertionError: self.add_error_message('Type "%s" is not a possible type.'%self.get_type())
 
 	def get_evaluated(self): raise NotImplementedError
@@ -195,6 +193,13 @@ class Param(Element):
 		"""
 		raise NotImplementedError
 
+	def get_types(self):
+		"""
+		Get a list of all possible param types.
+		@throw NotImplementedError
+		"""
+		raise NotImplementedError
+
 	def get_color(self): return '#FFFFFF'
 	def __str__(self): return 'Param - %s(%s)'%(self.get_name(), self.get_key())
 	def is_param(self): return True
diff --git a/grc/base/Port.py b/grc/base/Port.py
index 81076684a..494ea894f 100644
--- a/grc/base/Port.py
+++ b/grc/base/Port.py
@@ -21,15 +21,13 @@ from Element import Element
 
 class Port(Element):
 
-	def __init__(self, block, n, dir, types):
+	def __init__(self, block, n, dir):
 		"""
 		Make a new port from nested data.
 		@param block the parent element
 		@param n the nested odict
 		@param dir the direction source or sink
-		@param types a list of possible types
 		"""
-		self._types = types
 		#build the port
 		Element.__init__(self, block)
 		#grab the data
@@ -44,7 +42,7 @@ class Port(Element):
 		The port must be non-empty and type must a possible type.
 		"""
 		Element.validate(self)
-		try: assert self.get_type() in self._types
+		try: assert self.get_type() in self.get_types()
 		except AssertionError: self.add_error_message('Type "%s" is not a possible type.'%self.get_type())
 
 	def __str__(self):
@@ -53,6 +51,13 @@ class Port(Element):
 		if self.is_sink():
 			return 'Sink - %s(%s)'%(self.get_name(), self.get_key())
 
+	def get_types(self):
+		"""
+		Get a list of all possible port types.
+		@throw NotImplementedError
+		"""
+		raise NotImplementedError
+
 	def is_port(self): return True
 	def get_color(self): return '#FFFFFF'
 	def get_name(self): return self._name
diff --git a/grc/python/Param.py b/grc/python/Param.py
index dd18d1c44..d574b513e 100644
--- a/grc/python/Param.py
+++ b/grc/python/Param.py
@@ -83,30 +83,27 @@ COMPLEX_TYPES = tuple(COMPLEX_TYPES + REAL_TYPES + INT_TYPES)
 REAL_TYPES = tuple(REAL_TYPES + INT_TYPES)
 INT_TYPES = tuple(INT_TYPES)
 
-##possible param types
-TYPES = [
-	'raw', 'enum',
-	'complex', 'real', 'int',
-	'complex_vector', 'real_vector', 'int_vector',
-	'hex', 'string', 'bool',
-	'file_open', 'file_save',
-	'id', 'stream_id',
-	'grid_pos', 'notebook',
-	'import',
-]
-
 class Param(_Param):
 
-	_init = False
-	_hostage_cells = list()
-
-	def __init__(self, block, n, **kwargs):
+	def __init__(self, block, n):
 		_Param.__init__(
 			self,
 			block=block,
 			n=n,
-			types=TYPES,
 		)
+		self._init = False
+		self._hostage_cells = list()
+
+	def get_types(self): return (
+		'raw', 'enum',
+		'complex', 'real', 'int',
+		'complex_vector', 'real_vector', 'int_vector',
+		'hex', 'string', 'bool',
+		'file_open', 'file_save',
+		'id', 'stream_id',
+		'grid_pos', 'notebook',
+		'import',
+	)
 
 	def __repr__(self):
 		"""
diff --git a/grc/python/Port.py b/grc/python/Port.py
index 3214d937a..a714844ef 100644
--- a/grc/python/Port.py
+++ b/grc/python/Port.py
@@ -49,12 +49,9 @@ def _get_source_from_virtual_source_port(vsp, traversed=[]):
 	)
 	except: raise Exception, 'Could not resolve source for virtual source port %s'%vsp
 
-##possible port types
-TYPES = ['complex', 'float', 'int', 'short', 'byte', 'msg', '']
-
 class Port(_Port):
 
-	def __init__(self, block, n, dir, **kwargs):
+	def __init__(self, block, n, dir):
 		"""
 		Make a new port from nested data.
 		@param block the parent element
@@ -75,12 +72,13 @@ class Port(_Port):
 			block=block,
 			n=n,
 			dir=dir,
-			types=TYPES,
 		)
 		self._nports = n.find('nports') or ''
 		self._vlen = n.find('vlen') or ''
 		self._optional = bool(n.find('optional'))
 
+	def get_types(self): return ('complex', 'float', 'int', 'short', 'byte', 'msg', '')
+
 	def validate(self):
 		_Port.validate(self)
 		try: assert self.get_enabled_connections() or self.get_optional()