LFUtils.py: Improves wait_until_ports_disappear error message; Fixes many linter warnings.

Signed-off-by: Jed Reynolds <jed@candelatech.com>

py-json/LANforge/LFUtils.py

@@ -16,7 +16,7 @@ import ipaddress
 
 seed(int(round(time.time() * 1000)))
 from random import randint
-from LANforge import LFRequest
+import LFRequest
 
 debug_printer = pprint.PrettyPrinter(indent=2)
 
@@ -276,10 +276,10 @@ def port_name_series(prefix="sta", start_id=0, end_id=1, padding_number=10000, r
     the padding_number is added to the start and end numbers and the resulting sum
     has the first digit trimmed, so f(0, 1, 10000) => {"0000", "0001"}
     @deprecated -- please use port_name_series
-    :param prefix_: defaults to 'sta'
-    :param start_id_: beginning id
-    :param end_id_: ending_id
-    :param padding_number_: used for width of resulting station number
+    :param prefix: defaults to 'sta'
+    :param start_id: beginning id
+    :param end_id: ending_id
+    :param padding_number: used for width of resulting station number
     :return: list of stations
     """
 
@@ -478,10 +478,10 @@ def wait_until_ports_admin_up(resource_id=1, base_url="http://localhost:8080", p
         sleep(1)
     return None
 
-def waitUntilPortsDisappear(base_url="http://localhost:8080", port_list=[], debug=False):
+def waitUntilPortsDisappear(base_url="http://localhost:8080", port_list=(), debug=False):
     wait_until_ports_disappear(base_url, port_list, debug)
 
-def wait_until_ports_disappear(base_url="http://localhost:8080", port_list=[], debug=False):
+def wait_until_ports_disappear(base_url="http://localhost:8080", port_list=(), debug=False):
     if (port_list is None) or (len(port_list) < 1):
         if debug:
             print("LFUtils: wait_until_ports_disappear: empty list, zipping back")
@@ -520,7 +520,7 @@ def wait_until_ports_disappear(base_url="http://localhost:8080", port_list=[], d
             lf_r = LFRequest.LFRequest(base_url, check_url, debug_=debug)
             json_response = lf_r.get_as_json(debug_=debug, die_on_error_=False)
             if (json_response == None):
-                print("Request returned None")
+                print("LFUtils::wait_until_ports_disappear:: Request returned None: [{}]".format(base_url + check_url))
             else:
                 if debug:
                     pprint.pprint(("wait_until_ports_disappear json_response:", json_response))
@@ -559,7 +559,7 @@ def name_to_eid(input, non_port=False):
 
     info = input.split('.')
     if len(info) == 1:
-        rv[2] = info[0]; # just port name
+        rv[2] = info[0] # just port name
         return rv
 
     if (len(info) == 2) and info[0].isnumeric() and not info[1].isnumeric(): # resource.port-name
@@ -596,7 +596,7 @@ def name_to_eid(input, non_port=False):
         rv[1] = int(info[1])
         rv[2] = info[2]+"."+info[3]
 
-    return rv;
+    return rv
 
 def wait_until_ports_appear(base_url="http://localhost:8080", port_list=(), debug=False):
     """
@@ -647,7 +647,7 @@ def wait_until_endps(base_url="http://localhost:8080", endp_list=(), debug=False
     """
 
     :param base_url:
-    :param port_list:
+    :param endp_list:
     :param debug:
     :return:
     """
@@ -658,7 +658,7 @@ def wait_until_endps(base_url="http://localhost:8080", endp_list=(), debug=False
     if base_url.endswith('/'):
         port_url = port_url[1:]
         ncshow_url = ncshow_url[1:]
-
+    found_stations = []
     while len(found_stations) < len(endp_list):
         found_stations = []
         for port_eid in endp_list: