Better messages for help.

src/ankimaker/cli.py

@@ -4,3 +4,6 @@ from ankimaker.commands import cli
 def main():
     cli(prog_name='ankimaker')
 
+
+if __name__ == '__main__':
+    main()

src/ankimaker/commands/from_csv.py

@@ -5,8 +5,8 @@ from ankimaker.tasks import basic_pandas_to_anki
 
 
 @cli.command('csv')
-@click.argument('-i', '--input', 'input_file', type=click.Path(exists=True))
-@click.argument('-o', '--output', 'output_file', type=click.Path(exists=False))
+@click.option('-i', '--input', 'input_file', type=click.Path(exists=True))
+@click.option('-o', '--output', 'output_file', type=click.Path(exists=False))
 @click.option('-c', '--conf', 'config_file', default=None, type=click.STRING)
 @click.option('-n', '--name', 'name', default=None, type=click.STRING)
 def generate_anki(
@@ -15,6 +15,9 @@ def generate_anki(
         name,
         config_file,
 ):
+    """
+    Create an anki deck from a csv file and a config file.
+    """
     output_file = parse_output(output_file)
     if name is None:
         name = get_name_from_output(output_file)

src/ankimaker/tasks/basic_csv_to_anki.py

@@ -19,7 +19,8 @@ def create_model():
           'qfmt': '<div style="text-align: center;">{{Question}}</div>',
           'afmt': '{{FrontSide}}<hr id="answer"><div style="text-align: center;">{{Answer}}</div>',
         },
-      ])
+      ]
+    )
     return my_model