Handle network exceptions

polybar/scripts/bitcoin.py

@@ -2,7 +2,9 @@
 
 import requests
 
-r = requests.get('https://blockchain.info/ticker');
-ticker = r.json()
-
-print('£%.2f' % float(ticker['GBP']['sell']))
+try:
+    r = requests.get('https://blockchain.info/ticker');
+    ticker = r.json()
+    print('£%.2f' % float(ticker['GBP']['sell']))
+except requests.exceptions.RequestException as e:
+    sys.exit(1)

polybar/scripts/ipaddr.py

@@ -4,12 +4,12 @@ from xml.etree import ElementTree as ET
 
 url = 'http://freegeoip.net/xml/'
 
-with urlopen(url) as res:
-    s = res.read()
-
-root = ET.fromstring(s)
-
-ip = root.find('IP').text
-country = root.find('CountryName').text
-
-print('%s (%s)' % (ip, country))
+try:
+    with urlopen(url) as res:
+        s = res.read()
+    root = ET.fromstring(s)
+    ip = root.find('IP').text
+    country = root.find('CountryName').text
+    print('%s (%s)' % (ip, country))
+except Exception:
+    print('')

polybar/scripts/ping.py

@@ -3,5 +3,5 @@ import subprocess
 import re
 url = 'google.co.uk'
 
-ps = subprocess.Popen('ping -c 1 %s | tail -1 | awk \'{print $4}\' | cut -d \'/\' -f 2' % url, shell=True, stdout=subprocess.PIPE)
+ps = subprocess.Popen('ping -c 1 %s | tail -1' % url, shell=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
 print(re.sub(r'[^0-9.+]', '', str(ps.stdout.read())).split('.')[0])