Fix for host with IPv6 enable but without default IPv6 route

CHANGELOG

@@ -1,3 +1,4 @@
+* Fix for host with IPv6 enable but without default IPv6 route
 * Add win32 single executable
 * Allow egg installation
 

tryton/pysocket.py

@@ -10,6 +10,7 @@ except ImportError:
 DNS_CACHE = {}
 MAX_SIZE = 999999999
 MAX_LENGHT = len(str(MAX_SIZE))
+TIMEOUT = 120
 
 _ALLOWED_MODULES = {'datetime': ['datetime', 'date'], 'decimal': ['Decimal']}
 
@@ -44,12 +45,14 @@ class PySocket:
                 socket.getaddrinfo(host, int(port), socket.AF_INET6)
                 self.sock = socket.socket(socket.AF_INET6,
                         socket.SOCK_STREAM)
+                self.sock.settimeout(TIMEOUT)
+                self.sock.connect((host, int(port)))
             except:
-                pass
+                self.sock = None
         if self.sock is None:
             self.sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
-        self.sock.settimeout(120)
-        self.sock.connect((host, int(port)))
+            self.sock.settimeout(TIMEOUT)
+            self.sock.connect((host, int(port)))
         DNS_CACHE[hostname], port = self.sock.getpeername()[:2]
         try:
             sock = None
@@ -57,12 +60,14 @@ class PySocket:
                 try:
                     socket.getaddrinfo(host, int(port), socket.AF_INET6)
                     sock = socket.socket(socket.AF_INET6, socket.SOCK_STREAM)
+                    sock.settimeout(TIMEOUT)
+                    sock.connect((host, int(port)))
                 except:
-                    pass
+                    sock = None
             if sock is None:
                 sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
-            sock.settimeout(120)
-            sock.connect((host, int(port)))
+                sock.settimeout(TIMEOUT)
+                sock.connect((host, int(port)))
             if hasattr(socket, 'ssl'):
                 ssl_sock = socket.ssl(sock)
                 self.ssl = True