Added sysargs for metadata file and image folder

iotclient/iot_client.py

@@ -4,7 +4,7 @@ import requests
 import json
 import time
 from datetime import datetime
-
+import sys, getopt
 
 def build_post_payload(identifier, metadata_payload, file_payload):
     return {
@@ -198,17 +198,32 @@ metadata_path = metadata_folder + os.path.sep + metadata_file
 
 image_folder = "." + os.path.sep + "images"
 
+try:
+    opts, args = getopt.getopt(sys.argv[1:],"hm:i:",["metadata=","imagefolder="])
+    for opt, arg in opts:
+        if opt == '-h':
+            print('iot_client.py -m <metadata-filepath> -i <image-folder>')
+            sys.exit()
+        elif opt in ("-m", "--metadata"):
+            metadata_path = arg
+        elif opt in ("-i", "--imagefolder"):
+            image_folder = arg
+except getopt.GetoptError:
+    print('iot_client.py -m <metadata-filepath> -i <image-folder>')
+
+
+
 if (os.path.isfile(metadata_path)):
     print("Loading metadata to memory from " + metadata_path)
-    metadata = sorted(json.load(open(metadata_file, "r")),
+    metadata = sorted(json.load(open(metadata_path, "r")),
                       key=lambda k: datetime.strptime(k['datetime'], '%d-%b-%Y (%H:%M:%S.%f)'))
 else:
-    print("Default metadata_file not found.")
+    print("Metadata_file '" + str(metadata_path) +  "' not found.") 
 
 if (os.path.isdir(image_folder)):
     print("Image folder set to " + image_folder)
 else:
-    print("Default image folder not found.")
+    print("Image folder '" + str(image_folder) + "' not found.")
 
 
 def print_cursor():
@@ -294,7 +309,7 @@ while (command.lower() not in ["exit", "quit", "end"]):
             print("Error: No file on path " + path)
             continue
         print("Loading metadata to memory from " + path)
-        metadata = sorted(json.load(open(metadata_file, "r")),
+        metadata = sorted(json.load(open(path, "r")),
                           key=lambda k: datetime.strptime(k['datetime'], '%d-%b-%Y (%H:%M:%S.%f)'))
         index = 0