Rename all EnvironmentError to OSError.

Change version number to 1.0a2-dev1.
Check only on Python >= 3.3.

gns3server/handlers/file_upload_handler.py

@@ -49,7 +49,7 @@ class FileUploadHandler(tornado.web.RequestHandler):
             try:
                 os.makedirs(self._upload_dir)
                 log.info("upload directory '{}' created".format(self._upload_dir))
-            except EnvironmentError as e:
+            except OSError as e:
                 log.error("could not create the upload directory {}: {}".format(self._upload_dir, e))
 
         tornado.websocket.WebSocketHandler.__init__(self, application, request)

gns3server/main.py

@@ -16,6 +16,7 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
+import os
 import datetime
 import sys
 import multiprocessing
@@ -44,12 +45,15 @@ def main():
     print("GNS3 server version {}".format(__version__))
     print("Copyright (c) 2007-{} GNS3 Technologies Inc.".format(current_year))
 
-    # we only support Python 2 version >= 2.7 and Python 3 version >= 3.3
-    if sys.version_info < (2, 7):
-        raise RuntimeError("Python 2.7 or higher is required")
-    elif sys.version_info[0] == 3 and sys.version_info < (3, 3):
+    # we only support Python 3 version >= 3.3
+    if sys.version_info < (3, 3):
         raise RuntimeError("Python 3.3 or higher is required")
 
+    print("Running with Python {major}.{minor}.{micro} and has PID {pid}".format(major=sys.version_info[0],
+                                                                                 minor=sys.version_info[1],
+                                                                                 micro=sys.version_info[2],
+                                                                                 pid=os.getpid()))
+
     try:
         tornado.options.parse_command_line()
     except (tornado.options.Error, ValueError):

gns3server/modules/base.py

@@ -20,6 +20,7 @@ Base class (interface) for modules
 """
 
 import sys
+import traceback
 import gns3server.jsonrpc as jsonrpc
 import multiprocessing
 import zmq
@@ -230,7 +231,12 @@ class IModule(multiprocessing.Process):
             self.modules[self.name][destination](self, params)
         except Exception as e:
             log.error("uncaught exception {type}".format(type=type(e)), exc_info=1)
-            self.send_custom_error("uncaught exception {type}: {string}".format(type=type(e), string=str(e)))
+            exc_type, exc_value, exc_tb = sys.exc_info()
+            lines = traceback.format_exception(exc_type, exc_value, exc_tb)
+            tb = "\n" . join(lines)
+            self.send_custom_error("uncaught exception {type}: {string}\n{tb}".format(type=type(e),
+                                                                                      string=str(e),
+                                                                                      tb=tb))
 
     def destinations(self):
         """

gns3server/modules/dynamips/__init__.py

@@ -208,7 +208,7 @@ class Dynamips(IModule):
         if not os.path.exists(self._working_dir):
             try:
                 os.makedirs(self._working_dir)
-            except EnvironmentError as e:
+            except OSError as e:
                 raise DynamipsError("Could not create working directory {}".format(e))
 
         # check if the working directory is writable
@@ -410,14 +410,14 @@ class Dynamips(IModule):
         if not os.path.exists(config_dir):
             try:
                 os.makedirs(config_dir)
-            except EnvironmentError as e:
+            except OSError as e:
                 raise DynamipsError("Could not create configs directory: {}".format(e))
         config_path = os.path.join(config_dir, config_filename)
         try:
             with open(config_path, "w") as f:
                 log.info("saving startup-config to {}".format(config_path))
                 f.write(config)
-        except EnvironmentError as e:
+        except OSError as e:
             raise DynamipsError("Could not save the configuration {}: {}".format(config_path, e))
         return "configs" + os.sep + os.path.basename(config_path)
 

gns3server/modules/dynamips/backends/vm.py

@@ -467,7 +467,7 @@ class VM(object):
                         with open(config_path, "w") as f:
                             log.info("saving startup-config to {}".format(router.startup_config))
                             f.write(config)
-                    except EnvironmentError as e:
+                    except OSError as e:
                         raise DynamipsError("Could not save the startup configuration {}: {}".format(config_path, e))
 
                 if private_config_base64:
@@ -478,7 +478,7 @@ class VM(object):
                         with open(config_path, "w") as f:
                             log.info("saving private-config to {}".format(router.private_config))
                             f.write(config)
-                    except EnvironmentError as e:
+                    except OSError as e:
                         raise DynamipsError("Could not save the private configuration {}: {}".format(config_path, e))
 
         except DynamipsError as e:

gns3server/modules/dynamips/hypervisor.py

@@ -211,7 +211,7 @@ class Hypervisor(DynamipsHypervisor):
                                                  cwd=self._working_dir)
             log.info("Dynamips started PID={}".format(self._process.pid))
             self._started = True
-        except EnvironmentError as e:
+        except OSError as e:
             log.error("could not start Dynamips: {}".format(e))
             raise DynamipsError("could not start Dynamips: {}".format(e))
 
@@ -247,7 +247,7 @@ class Hypervisor(DynamipsHypervisor):
             try:
                 with open(self._stdout_file) as file:
                     output = file.read()
-            except EnvironmentError as e:
+            except OSError as e:
                 log.warn("could not read {}: {}".format(self._stdout_file, e))
         return output
 

gns3server/modules/dynamips/hypervisor_manager.py

@@ -456,7 +456,7 @@ class HypervisorManager(object):
 #         if not os.path.exists(working_dir):
 #             try:
 #                 os.makedirs(working_dir)
-#             except EnvironmentError as e:
+#             except OSError as e:
 #                 raise DynamipsError("{}".format(e))
 
         hypervisor = Hypervisor(self._path,

gns3server/modules/iou/__init__.py

@@ -87,8 +87,8 @@ class IOU(IModule):
         self._iourc = ""
 
         # check every 5 seconds
-        self._iou_callback = self.add_periodic_callback(self._check_iou_is_alive, 5000)
-        self._iou_callback.start()
+        #self._iou_callback = self.add_periodic_callback(self._check_iou_is_alive, 5000)
+        #self._iou_callback.start()
 
     def stop(self):
         """
@@ -154,7 +154,7 @@ class IOU(IModule):
             try:
                 log.info("deleting iourc file {}".format(self._iourc))
                 os.remove(self._iourc)
-            except EnvironmentError as e:
+            except OSError as e:
                 log.warn("could not delete iourc file {}: {}".format(self._iourc, e))
 
         log.info("IOU module has been reset")
@@ -189,7 +189,7 @@ class IOU(IModule):
                     log.info("saving iourc file content to {}".format(f.name))
                     f.write(base64iourc)
                     self._iourc = f.name
-            except EnvironmentError as e:
+            except OSError as e:
                 raise IOUError("Could not save iourc file to {}: {}".format(f.name, e))
 
         if "iouyap" in request and request["iouyap"]:
@@ -244,7 +244,7 @@ class IOU(IModule):
             if not os.path.exists(self._working_dir):
                 try:
                     os.makedirs(self._working_dir)
-                except EnvironmentError as e:
+                except OSError as e:
                     raise IOUError("Could not create working directory {}".format(e))
 
             iou_instance = IOUDevice(iou_path, self._working_dir, host=self._default_host, name=name)
@@ -333,7 +333,7 @@ class IOU(IModule):
                     with open(config_path, "w") as f:
                         log.info("saving startup-config to {}".format(config_path))
                         f.write(config)
-                except EnvironmentError as e:
+                except OSError as e:
                     raise IOUError("Could not save the configuration {}: {}".format(config_path, e))
                 request["startup_config"] = os.path.basename(config_path)
             if "startup_config" in request:
@@ -544,7 +544,7 @@ class IOU(IModule):
                 IFF_NO_PI = 0x1000
                 try:
                     tun = os.open("/dev/net/tun", os.O_RDWR)
-                except EnvironmentError as e:
+                except OSError as e:
                     raise IOUError("Could not open /dev/net/tun: {}".format(e))
                 ifr = struct.pack("16sH", tap_device.encode("utf-8"), IFF_TAP | IFF_NO_PI)
                 try:

gns3server/modules/iou/iou_device.py

@@ -249,7 +249,7 @@ class IOUDevice(object):
         if not os.path.exists(working_dir):
             try:
                 os.makedirs(working_dir)
-            except EnvironmentError as e:
+            except OSError as e:
                 raise IOUError("Could not create working directory {}: {}".format(working_dir, e))
 
         self._working_dir = working_dir
@@ -348,7 +348,7 @@ class IOUDevice(object):
                 config.write(config_file)
             log.info("IOU {name} [id={id}]: iouyap.ini updated".format(name=self._name,
                                                                        id=self._id))
-        except EnvironmentError as e:
+        except OSError as e:
             raise IOUError("Could not create {}: {}".format(iouyap_ini, e))
 
     def _create_netmap_config(self):
@@ -367,7 +367,7 @@ class IOUDevice(object):
                                                                                              iou_id=self._id))
             log.info("IOU {name} [id={id}]: NETMAP file created".format(name=self._name,
                                                                         id=self._id))
-        except EnvironmentError as e:
+        except OSError as e:
             raise IOUError("Could not create {}: {}".format(netmap_path, e))
 
     def _start_ioucon(self):
@@ -401,7 +401,7 @@ class IOUDevice(object):
                                                         cwd=self._working_dir)
 
             log.info("iouyap started PID={}".format(self._iouyap_process.pid))
-        except EnvironmentError as e:
+        except OSError as e:
             log.error("could not start iouyap: {}".format(e))
             raise IOUError("Could not start iouyap: {}".format(e))
 
@@ -434,7 +434,7 @@ class IOUDevice(object):
                                                      env=env)
                 log.info("IOU instance {} started PID={}".format(self._id, self._process.pid))
                 self._started = True
-            except EnvironmentError as e:
+            except OSError as e:
                 log.error("could not start IOU: {}".format(e))
                 raise IOUError("could not start IOU: {}".format(e))
 
@@ -493,7 +493,7 @@ class IOUDevice(object):
             try:
                 with open(self._iou_stdout_file) as file:
                     output = file.read()
-            except EnvironmentError as e:
+            except OSError as e:
                 log.warn("could not read {}: {}".format(self._iou_stdout_file, e))
         return output
 
@@ -508,7 +508,7 @@ class IOUDevice(object):
             try:
                 with open(self._iouyap_stdout_file) as file:
                     output = file.read()
-            except EnvironmentError as e:
+            except OSError as e:
                 log.warn("could not read {}: {}".format(self._iouyap_stdout_file, e))
         return output
 

gns3server/server.py

@@ -78,7 +78,7 @@ class Server(object):
             try:
                 os.makedirs(self._projects_dir)
                 log.info("projects directory '{}' created".format(self._projects_dir))
-            except EnvironmentError as e:
+            except OSError as e:
                 log.error("could not create the projects directory {}: {}".format(self._projects_dir, e))
 
     def load_modules(self):

gns3server/version.py

@@ -23,5 +23,5 @@
 # or negative for a release candidate or beta (after the base version
 # number has been incremented)
 
-__version__ = "1.0-alpha1"
+__version__ = "1.0a2.dev1"
 __version_info__ = (1, 0, 0, -99)