replace os by pathlib

tests/test_nginx_vhosts.py

@@ -5,8 +5,6 @@ Criticality: High
 Tests that all webserver services (vhosts) are available and reachable.
 """
 
-import imp
-import os
 from pathlib import Path
 import re
 import requests
@@ -186,28 +184,24 @@ def main():
     print("Check that nginx vhosts are well configured:")
     # check that Nginx dir exists
     nginx_dir = "/etc/nginx/sites-enabled"
-    if not os.path.exists(nginx_dir):
+    if not Path(nginx_dir).exists():
         u.error("nginx dir does not exists ('%s')." % nginx_dir)
-        sys.exit(2)
+        exit(2)
 
     # check that Wowza is installed
     wowza_dir = "/usr/local/WowzaStreamingEngine"
-    if not os.path.exists(wowza_dir):
+    if not Path(wowza_dir).exists():
         u.info("wowza is not installed ('%s' does not exist)." % wowza_dir)
         wowza_dir = None
     else:
         u.info("wowza is installed, /streaming/ will be tested on mediaserver vhosts.")
 
     # get envsetup conf
-    conf = dict()
-    os.chdir(os.path.dirname(__file__))
-    if os.path.isfile("../utils.py"):
-        es_utils = imp.load_source("es_utils", "../utils.py")
-        conf = es_utils.load_conf()
+    conf = u.load_conf()
 
     # get celerity conf
     celerity_conf = ""
-    if os.path.exists("/etc/celerity/config.py"):
+    if Path("/etc/celerity/config.py").exists():
         with open("/etc/celerity/config.py", "r") as fo:
             celerity_conf = fo.read()
 
@@ -236,12 +230,12 @@ def main():
             errors += e
 
     if errors:
-        sys.exit(1)
+        exit(1)
     elif warnings:
-        sys.exit(3)
+        exit(3)
     if not tested:
         u.error("no url found in nginx sites-enabled dir")
-        sys.exit(1)
+        exit(1)
 
 
 if __name__ == "__main__":