Replace custom code to exit cli with, 'exit_cli' function

felicette/cli.py

@@ -8,6 +8,7 @@
  search_landsat_data,
  preview_landsat_image,
 )
+from felicette.utils.sys_utils import exit_cli
 from felicette.sat_processor import process_landsat_data
 
 
@@ -44,8 +45,7 @@
 def main(coordinates, location_name, pan_enhancement, preview_image, vegetation):
  """Satellite imagery for dummies."""
  if not coordinates and not location_name:
- click.echo("Please specify either --coordinates or --location-name")
- sys.exit(1)
+ exit_cli("Please specify either --coordinates or --location-name")
  if location_name:
  coordinates = geocoder_util(location_name)
 
@@ -67,6 +67,8 @@ def main(coordinates, location_name, pan_enhancement, preview_image, vegetation)
  if vegetation:
  bands = [3, 4, 5]
 
+ # NB: can't enable pan-enhancement with vegetation
+
  # download data
  data_id = download_landsat_data(landsat_item, bands)
  # process data

felicette/sat_downloader.py

@@ -37,8 +37,7 @@ def search_landsat_data(coordinates, cloud_cover_lt):
 
  search_items = search.items()
  if not len(search_items):
- print("No data matched your search, please try different parameters.")
- sys.exit(0)
+ exit_cli("No data matched your search, please try different parameters.")
  landsat_item = search_items[0]
  return landsat_item