Added hv.util.command and set it as an entry point

holoviews/ipython/preprocessors.py

@@ -3,10 +3,8 @@
 
 python holoviews/ipython/convert.py Conversion_Example.ipynb | python
 """
-import nbconvert, nbformat
+import ast
 from nbconvert.preprocessors import Preprocessor
-import os, sys, ast
-
 
 
 def comment_out_magics(source):
@@ -193,18 +191,3 @@ def preprocess_cell(self, cell, resources, index):
                             substitution = self.replace(outputs['data']['text/html'])
                             outputs['data']['text/html'] = substitution
         return cell, resources
-
-
-if __name__ == '__main__':
-    filename = sys.argv[1]
-    basename = os.path.splitext(os.path.basename(filename))[0]
-    with open(filename) as f:
-        nb = nbformat.read(f, nbformat.NO_CONVERT)
-        exporter = nbconvert.PythonExporter()
-        preprocessors = [OptsMagicProcessor(),
-                         OutputMagicProcessor(),
-                         StripMagicsProcessor()]
-        for preprocessor in preprocessors:
-            exporter.register_preprocessor(preprocessor)
-        source, meta = exporter.from_notebook_node(nb)
-        print(source)

holoviews/util/command.py

@@ -0,0 +1,29 @@
+"""
+python -m holoviews.util.command Conversion_Example.ipynb
+OR
+holoviews Conversion_Example.ipynb
+"""
+
+from __future__ import absolute_import
+
+import sys, os
+import nbformat, nbconvert
+from ..ipython.preprocessors import OptsMagicProcessor, OutputMagicProcessor
+from ..ipython.preprocessors import StripMagicsProcessor
+
+
+def main(preprocessors=[OptsMagicProcessor(),
+                                  OutputMagicProcessor(),
+                                  StripMagicsProcessor()]):
+    with open(sys.argv[1]) as f:
+        nb = nbformat.read(f, nbformat.NO_CONVERT)
+        exporter = nbconvert.PythonExporter()
+        for preprocessor in preprocessors:
+            exporter.register_preprocessor(preprocessor)
+        source, meta = exporter.from_notebook_node(nb)
+        print(source)
+
+
+if __name__ == '__main__':
+    main()
+

setup.py

@@ -39,6 +39,10 @@
     platforms=['Windows', 'Mac OS X', 'Linux'],
     license='BSD',
     url='http://ioam.github.com/holoviews/',
+    entry_points={
+          'console_scripts': [
+              'holoviews = holoviews.util.command:main'
+          ]},
     packages = ["holoviews",
                 "holoviews.core",
                 "holoviews.core.data",