Add timeouts (#104)

* Prevent requests blocking

* Version bump to 0.9.1

Author: balloob

netdisco/philips_hue_nupnp.py

@@ -46,7 +46,7 @@ def __init__(self):
     def scan(self):
         """Scan the network."""
         try:
-            response = requests.get(self.PHUE_NUPNP_URL)
+            response = requests.get(self.PHUE_NUPNP_URL, timeout=5)
             response.raise_for_status()
             self.entries = []
             bridges = response.json()
@@ -63,7 +63,7 @@ def fetch_description(self, bridge):
         """Fetches description XML of a Philips Hue bridge."""
         url = self.bridge_description_url(bridge)
         try:
-            response = requests.get(url)
+            response = requests.get(url, timeout=5)
             response.raise_for_status()
             return PHueBridge(response.text)
         except requests.exceptions.RequestException as err:

netdisco/ssdp.py

@@ -128,24 +128,24 @@ def description(self):
 
         if url not in UPNPEntry.DESCRIPTION_CACHE:
             try:
-                xml = requests.get(url).text
+                xml = requests.get(url, timeout=5).text
                 if not xml:
                     # Samsung Smart TV sometimes returns an empty document the
                     # first time. Retry once.
-                    xml = requests.get(url).text
+                    xml = requests.get(url, timeout=5).text
 
                 tree = ElementTree.fromstring(xml)
 
                 UPNPEntry.DESCRIPTION_CACHE[url] = \
                     etree_to_dict(tree).get('root', {})
             except requests.RequestException:
-                logging.getLogger(__name__).error(
+                logging.getLogger(__name__).warning(
                     "Error fetching description at %s", url)
 
                 UPNPEntry.DESCRIPTION_CACHE[url] = {}
 
             except ElementTree.ParseError:
-                logging.getLogger(__name__).error(
+                logging.getLogger(__name__).warning(
                     "Found malformed XML at %s: %s", url, xml)
 
                 UPNPEntry.DESCRIPTION_CACHE[url] = {}

setup.py

@@ -1,7 +1,7 @@
 from setuptools import setup, find_packages
 
 setup(name='netdisco',
-      version='0.9.0',
+      version='0.9.1',
       description='Discover devices on your local network',
       url='https://github.com/home-assistant/netdisco',
       author='Paulus Schoutsen',