delete functionality for metadata

iotclient/iot_client.py

@@ -69,6 +69,21 @@ def get_image(identifier):
     return True
 
 
+def delete_image(identifier):
+    print("Deleting image with identifier "+identifier)
+
+    baseurl = "http://127.0.0.1:8000"
+    get_url = "/image/delete/"+identifier
+
+    try:
+        response = requests.delete(baseurl + get_url)
+        payload = response.json()
+        print(payload)
+    except os.error:
+        print("Error deleting request")
+    return True
+
+
 
 def get_all():
     print("Getting all images")
@@ -132,6 +147,7 @@ while (command.lower() not in ["exit", "quit", "end"]):
         print("trigger - next image in line is sent to backend")
         print("fetch - gets the next image from database if exists")
         print("fetchall - get all images")
+        print("delete - delets the next image from db if exists")
         print("rapid <#amount> - next <amound> images in line are sent to backend in 2 second intervals")
         print("skip [<#amount>] - skips the next <amount> number of images in line or 1 if no <amount> is given")
         print("set <#index> - sets image on given <index> as next in line")
@@ -227,6 +243,18 @@ while (command.lower() not in ["exit", "quit", "end"]):
         get_all()
         index = index + 1
 
+    if command.lower() == "delete":
+        if metadata is None:
+            print("No metadata loaded")
+            continue
+        if image_folder is None:
+            print("No image folder selected")
+            continue
+        meta_payload = metadata[index]
+        filename = meta_payload['filename']
+        delete_image(filename[:-4])
+        index = index + 1
+
     if command.lower() == "rapid":
         if metadata is None:
             print("No metadata loaded")