Adding edit and screenshot

functions/fscreen.py

@@ -0,0 +1,20 @@
+from config import *
+import base64
+
+def get_screenshot(vm_name):
+  dom = conn.lookupByName(vm_name)
+  stream = conn.newStream()
+  imageType = dom.screenshot(stream,0)
+  file = "tmp_screen_" + dom.name()
+  fileHandler = open(file, 'wb')
+  streamBytes = stream.recv(262120)
+  while streamBytes != b'':
+    fileHandler.write(streamBytes)
+    streamBytes = stream.recv(262120)
+  fileHandler.close()
+  print('Screenshot saved as type: ' + imageType)
+  stream.finish()
+  with open(file, "rb") as f:
+    data = base64.b64encode(f.read())
+  os.remove(file)
+  return data