Added 'audio' method to ChannelMap

Added `audio` property to channelmap to test if it contains any audio channels.

pycmx/__init__.py

@@ -8,7 +8,7 @@ copy and reuse this software, refer to the LICENSE file included with the
 distribution.
 """
 
-__version__ = '1.0'
+__version__ = '1.1.0'
 __author__  = 'Jamie Hardt'
 
 from .parse_cmx_events import parse_cmx3600

pycmx/channel_map.py

@@ -27,6 +27,11 @@ class ChannelMap:
         'True if video is included'
         return self.v
 
+    @property
+    def audio(self):
+        'True if an audio channel is included'
+        return len(self._audio_channel_set) > 0
+
     @property
     def channels(self):
         'A generator for each audio channel'

setup.py

@@ -4,7 +4,7 @@ with open("README.md", "r") as fh:
     long_description = fh.read()
 
 setup(name='pycmx',
-      version='1.0.1',
+      version='1.1.0',
       author='Jamie Hardt',
       author_email='jamiehardt@me.com',
       description='CMX 3600 Edit Decision List Parser',

tests/test_parse.py

@@ -66,6 +66,7 @@ class TestParse(TestCase):
             self.assertFalse( events[0].edits[0].channels.a1)
             self.assertTrue( events[0].edits[0].channels.a2)
             self.assertTrue( events[2].edits[0].channels.get_audio_channel(7) )
+            self.assertTrue( events[2].edits[0].channels.audio)
 
 
     def test_multi_edit_events(self):