diff options
Diffstat (limited to 'grc/python/Port.py')
| -rw-r--r-- | grc/python/Port.py | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/grc/python/Port.py b/grc/python/Port.py index 0b6d20bbeb..daf8f9ca34 100644 --- a/grc/python/Port.py +++ b/grc/python/Port.py @@ -38,7 +38,7 @@ class Port(_Port): n=n, ) self._nports = n.find('nports') or '' - self._vlen = n.find('vlen') or '1' + self._vlen = n.find('vlen') or '' self._optional = bool(n.find('optional')) def validate(self): @@ -47,6 +47,11 @@ class Port(_Port): except AssertionError: self.add_error_message('Port is not connected.') try: assert self.is_source() or len(self.get_enabled_connections()) <= 1 except AssertionError: self.add_error_message('Port has too many connections.') + if self.get_type() == 'msg': + try: assert not self.get_nports() + except AssertionError: self.add_error_message('A port of type "msg" cannot have "nports" set.') + try: assert self.get_vlen() == 1 + except AssertionError: self.add_error_message('A port of type "msg" must have a "vlen" of 1.') def get_vlen(self): """ @@ -101,12 +106,17 @@ class Port(_Port): }[self.get_type()] except: return _Port.get_color(self) + def copy(self, new_key=None): + n = self._n.copy() + if new_key: n['key'] = new_key + return self.__class__(self.get_parent(), n) + class Source(Port): def __init__(self, block, n): self._n = n #save n if n['type'] == 'msg': n['key'] = 'msg' - else: + if not n.find('key'): n['key'] = str(block._source_count) block._source_count = block._source_count + 1 Port.__init__(self, block, n) @@ -116,10 +126,7 @@ class Sink(Port): def __init__(self, block, n): self._n = n #save n if n['type'] == 'msg': n['key'] = 'msg' - else: + if not n.find('key'): n['key'] = str(block._sink_count) block._sink_count = block._sink_count + 1 Port.__init__(self, block, n) - -#TODO check that nports and vlen is undefined when type is message -#TODO only allow up to one port of type msg |