Set python hardcoded on version 2

vispa/workspace.py

@@ -155,7 +155,7 @@ class LocalConnectionImpl(object):
     _local_connection_feeder = None
 
     def __init__(self, command, **kwargs):
-        if command[0] == "python" and not sys.platform.startswith("java"):
+        if command[0] == "python2" and not sys.platform.startswith("java"):
             command[0] = sys.executable
         logger.info("local connection: %s" % " ".join(command))
         self.__proc = subprocess.Popen(command, stdin=subprocess.PIPE,
@@ -285,7 +285,7 @@ class SSHConnectionImpl(object):
             else:
                 if missing_host_key_policy != "reject":
                     import warnings
-                    warnings.warn("Unknown missing host key policy: " + 
+                    warnings.warn("Unknown missing host key policy: " +
                                   missing_host_key_policy)
                 self.__client.set_missing_host_key_policy(
                     paramiko.RejectPolicy())
@@ -451,7 +451,7 @@ class Connection(object):
         self.__userid = userid
         self.__workspaceid = workspaceid
         self.__host = host
-        self.__python = kwargs.get('python', 'python') or "python"
+        self.__python = kwargs.get('python', 'python2') or "python2"
         self.__username = kwargs.get('username', None)
         self.__server = None
         self.__tempdir = kwargs.get("tempdir", "")
@@ -482,16 +482,16 @@ class Connection(object):
         MAGIC_STRING = "START_RPYC".encode("ascii")
         MAGIC_STRING_LENGTH = len(MAGIC_STRING)
         buf = b''
-        
+
         while True:
             # fill buffer to needed size
             remaining = MAGIC_STRING_LENGTH - len(buf)
             buf += self._connection.stdout.read(remaining)
-            
+
             # compare
             if buf == MAGIC_STRING:
                 return
-            
+
             # jump to next S
             try:
                 buf = buf[buf.index(MAGIC_STRING[0], 1):]
@@ -694,7 +694,7 @@ class Connection(object):
 
     def rpyc(self):
         return self.__rpyc
-    
+
     def errors(self):
         for i, line in enumerate(self._connection.stderr):
             line = line.rstrip()
@@ -761,7 +761,7 @@ class ConnectionPool(object):
         key = (user.id, workspace.id)
         if key in self._connections and self._connections[key].active():
             logger.debug(
-                "workspace already conected: %d - %d" % 
+                "workspace already conected: %d - %d" %
                 (user.id, workspace.id))
             self._connections[key].send_status()
             return self._connections[key]
@@ -791,7 +791,7 @@ class ConnectionPool(object):
     def clear(self, user=None, workspace=None):
         uid = user.id if type(user) == User else user
         wid = workspace.id if type(workspace) == Workspace else workspace
-        for _uid, _wid in self._connections.keys(): 
+        for _uid, _wid in self._connections.keys():
             if uid and uid != _uid:
                 continue
             if wid and wid != _wid:
@@ -803,7 +803,7 @@ class ConnectionPool(object):
                 c = self._connections[key]
                 del self._connections[key]
                 c.close()
-                
+
             return
 
         # not found, send topic anyway