First commit.

.idea/AudioSlicer.iml

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+<?xml version="1.0" encoding="UTF-8"?>
+<module type="PYTHON_MODULE" version="4">
+  <component name="NewModuleRootManager">
+    <content url="file://$MODULE_DIR$" />
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+  <component name="TestRunnerService">
+    <option name="projectConfiguration" value="Nosetests" />
+    <option name="PROJECT_TEST_RUNNER" value="Nosetests" />
+  </component>
+</module>

.idea/misc.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectRootManager" version="2" project-jdk-name="Python 2.7.13 (~/anaconda2/bin/python)" project-jdk-type="Python SDK" />
+</project>

.idea/modules.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/AudioSlicer.iml" filepath="$PROJECT_DIR$/.idea/AudioSlicer.iml" />
+    </modules>
+  </component>
+</project>

source/slice/AudioSlicer.py

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+import subprocess
+from io import TextIOWrapper
+import fs
+from networkx.generators.small import desargues_graph
+
+
+class AudioSlicer:
+
+    destinationDirectory = ""
+
+    def __init__(self, destinationDirectory):
+        self.destinationDirectory = destinationDirectory
+
+
+    def slice(self, audioFilePath, start, duration):
+        ' invokes external process'
+
+        print self.destinationDirectory + " = " + audioFilePath + " - " + start + " - " + duration
+
+        destinationFile = fs.join(self.destinationDirectory, fs.filename(audioFilePath))
+
+        command = ['ffmpeg', audioFilePath, '-t', duration, '-ss', start, '-acodec', 'copy', destinationFile]
+
+        for c in command:
+            print c
+
+        p = subprocess.Popen(['ls', '-l'], stdout=subprocess.PIPE)
+
+        for line in p.stdout.readlines():
+            print line
+
+

source/slice/__init__.py

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+from source.slice import AudioSlicer

source/starter/Starter.py

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+from source.slice import AudioSlicer
+
+slicer = AudioSlicer('destination')
+
+slicer.slice('/tmp/audioFile', '00:00:01', '00:00:02')

test/slice/TestAudioSlicer.py

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+import unittest
+
+
+class TestAudioSlicer(unittest.TestCase):
+    def test_slice(self):
+        self.assertTrue(True)
+
+    def test_slice_2(self):
+        self.assertTrue(True)
+
+if __name__ == '__main__':
+    unittest.main()

test/slice/__init__.py

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+from test.slice import TestAudioSlicer