Rename all EnvironmentError to OSError.

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

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,