[tor-commits] [onionperf/master] Documents find_ip_address_local() and fixes its return type

[irl@xxxxxxxxxxxxxx]

commit 094dcade4bd3a02ebb1c836c021c52e097321dbe
Author: Ana Custura <ana@xxxxxxxxxxxxxx>
Date:   Wed Mar 6 14:37:14 2019 +0100

    Documents find_ip_address_local() and fixes its return type
---
 onionperf/util.py | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/onionperf/util.py b/onionperf/util.py
index f49fb30..84fb58a 100644
--- a/onionperf/util.py
+++ b/onionperf/util.py
@@ -114,7 +114,16 @@ def do_dates_match(date1, date2):
         return False
 
 def find_ip_address_url(data):
-    ip_address = None
+    """
+    Parses a string using a regular expression for identifying IPv4 addressses.
+    If more than one IP address is found, only the first one is returned.
+    If no IP address is found, the function returns an empty string.
+
+    :param data: string
+    :returns: string
+    """
+
+    ip_address = ""
     if data is not None and len(data) > 0:
         ip_list = re.findall(r'[\d]{1,3}\.[\d]{1,3}\.[\d]{1,3}\.[\d]{1,3}', data)
         if ip_list is not None and len(ip_list) > 0:
@@ -141,7 +150,7 @@ def get_ip_address():
     try:
         data = urllib.urlopen('https://check.torproject.org/').read()
         ip_address = find_ip_address_url(data)
-        if ip_address is None:
+        if not ip_address:
             logging.error(
                 "Unable to determine IP address from check.torproject.org. "
                 "The site was successfully contacted but the result could "



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