Handle missing asset tags in JAMF

Change the try/except from a raise to an if that uses the code block to extract serial number when JAMF's asset tag is missing.

Author: bondurantdt

jamf2snipe

@@ -790,7 +790,11 @@ for jamf_type in jamf_types:
                     try:
                         jamf_asset_tag = jamf['{}'.format(tag_split[0])]['{}'.format(tag_split[1])]
                     except:
-                        raise SystemError('No such attribute {} in the jamf payload. Please check your settings.conf file'.format(tag_split))
+                        if jamf_type == 'mobile_devices':
+                            jamf_asset_tag = 'jamfid-m-{}'.format(jamf['general']['id'])
+                        elif jamf_type == 'computers':
+                            jamf_asset_tag = 'jamfid-{}'.format(jamf['general']['id'])
+                        #raise SystemError('No such attribute {} in the jamf payload. Please check your settings.conf file'.format(tag_split))
                 if jamf_asset_tag == None or jamf_asset_tag == '':
                     logging.debug('No custom configuration found in settings.conf for asset tag name upon asset creation.')
                     if jamf_type == 'mobile_devices':