Make json2html callable from command line

README.rst

@@ -33,6 +33,7 @@ Features
 
 * Generated table can be provided some ``attributes`` explicitly. Eg. giving an ``id``, ``class`` or any ``data-*`` attribute.
 * Python 3 compatible
+* Can be used as a library in your code base or called from command line
 
 Live Demo
 ----------
@@ -195,6 +196,18 @@ Output:
 
 	<table border="1"><tr><th>glossary</th><td><table border="1"><tr><th>GlossDiv</th><td><table border="1"><tr><th>GlossList</th><td><table border="1"><tr><th>GlossEntry</th><td><table border="1"><tr><th>GlossDef</th><td><table border="1"><tr><th>GlossSeeAlso</th><td><ul><li>GML</li><li>XML</li></ul></td></tr><tr><th>para</th><td>A meta-markup language, used to create markup languages such as DocBook.</td></tr></table></td></tr><tr><th>GlossSee</th><td>markup</td></tr><tr><th>Acronym</th><td>SGML</td></tr><tr><th>GlossTerm</th><td>Standard Generalized Markup Language</td></tr><tr><th>Abbrev</th><td>ISO 8879:1986</td></tr><tr><th>SortAs</th><td>SGML</td></tr><tr><th>ID</th><td>SGML</td></tr></table></td></tr></table></td></tr><tr><th>title</th><td>S</td></tr></table></td></tr><tr><th>title</th><td>example glossary</td></tr></table></td></tr></table>
 
+**Example 6:**
+
+.. code-block:: bash
+
+	echo '{"key":"value"}'|json2html
+
+Output:
+
+.. code-block:: bash
+
+	<table border="1"><tr><th>key</th><td>value</td></tr></table>
+
 Tests
 ------
 

json2html/jsonconv.py

@@ -174,3 +174,15 @@ def convert_object(self, json_input):
         return converted_output
 
 json2html = Json2Html()
+
+def main():
+    import argparse
+    parser = argparse.ArgumentParser()
+    parser.add_argument('infile', nargs='?', type=argparse.FileType('r'),
+                        default=sys.stdin)
+    args = parser.parse_args()
+    data = args.infile.read()
+    print(json2html.convert(json = data))
+
+if __name__ == "__main__":
+    main()

setup.py

@@ -23,4 +23,7 @@
         'Programming Language :: Python :: 3.7',
         'Programming Language :: Python :: Implementation :: CPython',
     ],
+    entry_points = {
+        'console_scripts': ['json2html = json2html:main']
+    }
 )