get version on init, initial support of issue falkowich#148

ise.py

@@ -4,6 +4,7 @@
 import re
 from furl import furl
 from datetime import datetime, timedelta
+from bs4 import BeautifulSoup
 
 import requests
 
@@ -19,7 +20,7 @@ def __str__(self):
 
 
 class ERS(object):
-    def __init__(self, ise_node, ers_user, ers_pass, verify=False, disable_warnings=False, use_csrf=False, timeout=2,
+    def __init__(self, ise_node, ers_user, ers_pass, verify=False, disable_warnings=False, use_csrf=False, timeout=4,
                  protocol='https'):
         """
         Class to interact with Cisco ISE via the ERS API.
@@ -47,9 +48,10 @@ def __init__(self, ise_node, ers_user, ers_pass, verify=False, disable_warnings=
         self.csrf_expires = None
         self.timeout = timeout
         self.ise.headers.update({'Connection': 'keep_alive'})
-
+    
         if self.disable_warnings:
             requests.packages.urllib3.disable_warnings()
+        self.version = self.get_version()
 
     @staticmethod
     def _mac_test(mac):
@@ -140,6 +142,22 @@ def _request(self, url, method="get", data=None):
 
         return req
 
+    def get_version(self):
+        try:
+            # Build MnT API URL
+            url =  "https://" + self.ise_node + "/admin/API/mnt/Version"
+            # Access MnT API
+            req = self.ise.request('get', url, data=None, timeout=self.timeout)
+            # Extract version of first node
+            soup = BeautifulSoup(req.content,'xml')
+            full_version = soup.find_all('version')[0].get_text()
+            # Get simple version ie: 2.7
+            short_version = float(full_version[0:3])
+            # print("ISE Initializing - Version Check " + full_version)
+            return short_version
+        except:
+            return ""
+
     def _get_groups(self, url, filter: str = None, size: int = 20, page: int = 1):
         """
         Get generic group lists.
@@ -1401,4 +1419,4 @@ def delete_device(self, device):
             result['error'] = 404
             return result
         else:
-            return ERS._pass_ersresponse(result, resp)
+            return ERS._pass_ersresponse(result, resp)

requirements-publish-pypi.txt

@@ -1,3 +1,5 @@
 setuptools==46.1.3
 twine==3.1.1
 wheel==0.34.2
+beautifulsoup4==4.9.3
+lxml==4.6.3

requirements.txt

@@ -12,3 +12,5 @@
 
 furl
 requests
+beautifulsoup4
+lxml