Added some basic error handling to conenction module and exception handling to the parser module

connect.py

@@ -8,6 +8,7 @@ class connect:
     def request(self, resource, host, itemtype, port=70):
         #connects to server and returns list with response type and body
         socket_conn = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+        socket_conn.settimeout(5.0)
 
         try:
             socket_conn.connect((host, port))
@@ -17,15 +18,20 @@ class connect:
                 response = socket_conn.makefile(mode = 'rb', errors = 'ignore')
             else:
                 response = socket_conn.makefile(mode = 'r', errors = 'ignore')
-        except:
+        except socket.timeout:
+            print('Socket timeout')
             socket_conn.close()
-            return False
+            return {'type': '3', 'body': '3ERROR: Server request timed out\tfalse\tnull.host\t1'}
+        except Exception as e:
+            print('Misc socket error: ', e)
+            socket_conn.close()
+            return {'type': '3', 'body': '3ERROR: Unable to communicate with remote server\tfalse\tnull.host\t1'}
 
         try:
             self.raw_response = response.read()
             self.filetype = itemtype
         except UnicodeDecodeError:
-            self.raw_response = '3Error decoding server response\tfalse\tnull.host\t1'
+            self.raw_response = '3ERROR: Unable to decode server response\tfalse\tnull.host\t1'
             self.filetype = '3'
 
         socket_conn.close()

parser.py

@@ -15,6 +15,8 @@ class parser:
 
     def parse_url(self, url):
         # Take in a URL and output a dict of the url parts
+        if url == 'home':
+            return False
 
         regex = r'^(?P<protocol>(?:(gopher|http):\/\/)?)?(?P<host>[\w\.\d]+)(?P<port>(?::\d+)?)?(?P<type>(?:\/[\dgIp])?)?(?P<resource>(?:\/.*)?)?$'
 
@@ -23,13 +25,13 @@ class parser:
         if not match:
             return False
 
-        protocol = match.group('protocol')
+        try:
-        itemtype = match.group('type')
+            protocol = match.group('protocol')
-        host = match.group('host')
+            itemtype = match.group('type')
-        port = match.group('port')
+            host = match.group('host')
-        resource = match.group('resource')
+            port = match.group('port')
-
+            resource = match.group('resource')
-        if not host:
+        except:
             return False
 
         if not resource: