PEP 8 clean thanks to auto pep8

cloud-image/create_image.py

@@ -103,7 +103,7 @@ def main():
     instance.change_password(passwd)
     # wait for the password change to be processed.  Continuing while
     # a password change is processing will cause image creation to fail.
-    sleep(POLL_SEC*6)
+    sleep(POLL_SEC * 6)
 
     env.host_string = str(instance.accessIPv4)
     env.user = "root"

docs/conf.py

@@ -103,9 +103,9 @@ pygments_style = 'sphinx'
 # The theme to use for HTML and HTML Help pages.  See the documentation for
 # a list of builtin themes.
 html_theme = 'default'
-#html_theme = 'nature'
+# html_theme = 'nature'
 
-#If uncommented it's turn off the default read the doc style
+# If uncommented it's turn off the default read the doc style
 html_style = "/default.css"
 
 # Theme options are theme-specific and customize the look and feel of a theme

gns3dms/cloud/base_cloud_ctrl.py

@@ -175,7 +175,6 @@ class BaseCloudCtrl(object):
         except Exception as e:
             log.error("list_instances returned an error: {}".format(e))
 
-
     def create_key_pair(self, name):
         """ Create and return a new Key Pair. """
 

gns3dms/cloud/exceptions.py

@@ -1,45 +1,67 @@
 """ Exception classes for CloudCtrl classes. """
 
+
 class ApiError(Exception):
+
     """ Raised when the server returns 500 Compute Error. """
     pass
 
+
 class BadRequest(Exception):
+
     """ Raised when the server returns 400 Bad Request. """
     pass
 
+
 class ComputeFault(Exception):
+
     """ Raised when the server returns 400|500 Compute Fault. """
     pass
 
+
 class Forbidden(Exception):
+
     """ Raised when the server returns 403 Forbidden. """
     pass
 
+
 class ItemNotFound(Exception):
+
     """ Raised when the server returns 404 Not Found. """
     pass
 
+
 class KeyPairExists(Exception):
+
     """ Raised when the server returns 409 Conflict Key pair exists. """
     pass
 
+
 class MethodNotAllowed(Exception):
+
     """ Raised when the server returns 405 Method Not Allowed. """
     pass
 
+
 class OverLimit(Exception):
+
     """ Raised when the server returns 413 Over Limit. """
     pass
 
+
 class ServerCapacityUnavailable(Exception):
+
     """ Raised when the server returns 503 Server Capacity Uavailable. """
     pass
 
+
 class ServiceUnavailable(Exception):
+
     """ Raised when the server returns 503 Service Unavailable. """
     pass
 
+
 class Unauthorized(Exception):
+
     """ Raised when the server returns 401 Unauthorized. """
     pass

gns3dms/main.py

@@ -41,7 +41,7 @@ from os.path import expanduser
 
 SCRIPT_NAME = os.path.basename(__file__)
 
-#Is the full path when used as an import
+# Is the full path when used as an import
 SCRIPT_PATH = os.path.dirname(__file__)
 
 if not SCRIPT_PATH:
@@ -98,6 +98,8 @@ Options:
 """ % (SCRIPT_NAME)
 
 # Parse cmd line options
+
+
 def parse_cmd_line(argv):
     """
     Parse command line arguments
@@ -107,22 +109,22 @@ def parse_cmd_line(argv):
 
     short_args = "dvhk"
     long_args = ("debug",
-                    "verbose",
+                 "verbose",
-                    "help",
+                 "help",
-                    "cloud_user_name=",
+                 "cloud_user_name=",
-                    "cloud_api_key=",
+                 "cloud_api_key=",
-                    "instance_id=",
+                 "instance_id=",
-                    "region=",
+                 "region=",
-                    "dead_time=",
+                 "dead_time=",
-                    "init-wait=",
+                 "init-wait=",
-                    "check-interval=",
+                 "check-interval=",
-                    "file=",
+                 "file=",
-                    "background",
+                 "background",
-                    )
+                 )
     try:
         opts, extra_opts = getopt.getopt(argv[1:], short_args, long_args)
     except getopt.GetoptError as e:
-        print("Unrecognized command line option or missing required argument: %s" %(e))
+        print("Unrecognized command line option or missing required argument: %s" % (e))
         print(usage)
         sys.exit(2)
 
@@ -133,7 +135,7 @@ def parse_cmd_line(argv):
     cmd_line_option_list["cloud_api_key"] = None
     cmd_line_option_list["instance_id"] = None
     cmd_line_option_list["region"] = None
-    cmd_line_option_list["dead_time"] = 60 * 60 #minutes
+    cmd_line_option_list["dead_time"] = 60 * 60  # minutes
     cmd_line_option_list["check-interval"] = None
     cmd_line_option_list["init-wait"] = 5 * 60
     cmd_line_option_list["file"] = None
@@ -146,8 +148,7 @@ def parse_cmd_line(argv):
     elif sys.platform == "osx":
         cmd_line_option_list['syslog'] = "/var/run/syslog"
     else:
-        cmd_line_option_list['syslog'] = ('localhost',514)
+        cmd_line_option_list['syslog'] = ('localhost', 514)
-
 
     get_gns3secrets(cmd_line_option_list)
     cmd_line_option_list["dead_time"] = int(cmd_line_option_list["dead_time"])
@@ -181,7 +182,7 @@ def parse_cmd_line(argv):
         elif (opt in ("--background")):
             cmd_line_option_list["daemon"] = True
 
-    if cmd_line_option_list["shutdown"] == False:
+    if cmd_line_option_list["shutdown"] is False:
 
         if cmd_line_option_list["check-interval"] is None:
             cmd_line_option_list["check-interval"] = cmd_line_option_list["dead_time"] + 120
@@ -211,9 +212,9 @@ def parse_cmd_line(argv):
             print(usage)
             sys.exit(2)
 
-
     return cmd_line_option_list
 
+
 def get_gns3secrets(cmd_line_option_list):
     """
     Load cloud credentials from .gns3secrets
@@ -248,10 +249,10 @@ def set_logging(cmd_options):
     log_level = logging.INFO
     log_level_console = logging.WARNING
 
-    if cmd_options['verbose'] == True:
+    if cmd_options['verbose']:
         log_level_console = logging.INFO
 
-    if cmd_options['debug'] == True:
+    if cmd_options['debug']:
         log_level_console = logging.DEBUG
         log_level = logging.DEBUG
 
@@ -275,6 +276,7 @@ def set_logging(cmd_options):
 
     return log
 
+
 def send_shutdown(pid_file):
     """
     Sends the daemon process a kill signal
@@ -291,8 +293,9 @@ def send_shutdown(pid_file):
 
 def _get_file_age(filename):
     return datetime.datetime.fromtimestamp(
-                os.path.getmtime(filename)
+        os.path.getmtime(filename)
-            )
+    )
+
 
 def monitor_loop(options):
     """
@@ -307,7 +310,7 @@ def monitor_loop(options):
 
     terminate_attempts = 0
 
-    while options['shutdown'] == False:
+    while options['shutdown'] is False:
         log.debug("In monitor_loop for : %s" % (
             datetime.datetime.now() - options['starttime'])
         )
@@ -320,15 +323,15 @@ def monitor_loop(options):
 
         if delta.seconds > options["dead_time"]:
             log.warning("Dead time exceeded, terminating instance ...")
-            #Terminate involves many layers of HTTP / API calls, lots of
+            # Terminate involves many layers of HTTP / API calls, lots of
-            #different errors types could occur here.
+            # different errors types could occur here.
             try:
                 rksp = Rackspace(options)
                 rksp.terminate()
             except Exception as e:
                 log.critical("Exception during terminate: %s" % (e))
 
-            terminate_attempts+=1
+            terminate_attempts += 1
             log.warning("Termination sent, attempt: %s" % (terminate_attempts))
             time.sleep(600)
         else:
@@ -372,14 +375,13 @@ def main():
     for key, value in iter(sorted(options.items())):
         log.debug("%s : %s" % (key, value))
 
-
     log.debug("Checking file ....")
-    if os.path.isfile(options["file"]) == False:
+    if os.path.isfile(options["file"]) is False:
         log.critical("File does not exist!!!")
         sys.exit(1)
 
     test_acess = _get_file_age(options["file"])
-    if type(test_acess) is not datetime.datetime:
+    if not isinstance(test_acess, datetime.datetime):
         log.critical("Can't get file modification time!!!")
         sys.exit(1)
 
@@ -390,13 +392,11 @@ def main():
 
 
 class MyDaemon(daemon.daemon):
+
     def run(self):
         monitor_loop(self.options)
 
 
-
 if __name__ == "__main__":
     result = main()
     sys.exit(result)
-
-

gns3dms/modules/__init__.py

@@ -21,4 +21,4 @@
 # three numbers are the components of the version number. The fourth
 # is zero for an official release, positive for a development branch,
 # or negative for a release candidate or beta (after the base version
-# number has been incremented)
+# number has been incremented)

gns3dms/modules/daemon.py

@@ -1,8 +1,14 @@
 """Generic linux daemon base class for python 3.x."""
 
-import sys, os, time, atexit, signal
+import sys
+import os
+import time
+import atexit
+import signal
+
 
 class daemon:
+
     """A generic daemon class.
 
     Usage: subclass the daemon class and override the run() method."""
@@ -54,7 +60,7 @@ class daemon:
         atexit.register(self.delpid)
 
         pid = str(os.getpid())
-        with open(self.pidfile,'w+') as f:
+        with open(self.pidfile, 'w+') as f:
             f.write(pid + '\n')
 
     def delpid(self):
@@ -74,7 +80,7 @@ class daemon:
 
         # Check for a pidfile to see if the daemon already runs
         try:
-            with open(self.pidfile,'r') as pf:
+            with open(self.pidfile, 'r') as pf:
 
                 pid = int(pf.read().strip())
         except IOError:
@@ -101,20 +107,20 @@ class daemon:
 
         # Get the pid from the pidfile
         try:
-            with open(self.pidfile,'r') as pf:
+            with open(self.pidfile, 'r') as pf:
                 pid = int(pf.read().strip())
         except IOError:
             pid = None
 
         if not pid:
             message = "pidfile {0} does not exist. " + \
-                    "Daemon not running?\n"
+                "Daemon not running?\n"
             sys.stderr.write(message.format(self.pidfile))
-            return # not an error in a restart
+            return  # not an error in a restart
 
         # Try killing the daemon process
         try:
-            while 1:
+            while True:
                 os.kill(pid, signal.SIGTERM)
                 time.sleep(0.1)
         except OSError as err:
@@ -123,7 +129,7 @@ class daemon:
                 if os.path.exists(self.pidfile):
                     os.remove(self.pidfile)
             else:
-                print (str(err.args))
+                print(str(err.args))
                 sys.exit(1)
 
     def restart(self):

gns3dms/modules/rackspace_cloud.py

@@ -23,7 +23,8 @@
 # or negative for a release candidate or beta (after the base version
 # number has been incremented)
 
-import os, sys
+import os
+import sys
 import json
 import logging
 import socket
@@ -34,7 +35,9 @@ from gns3dms.cloud.rackspace_ctrl import RackspaceCtrl
 LOG_NAME = "gns3dms.rksp"
 log = logging.getLogger("%s" % (LOG_NAME))
 
+
 class Rackspace(object):
+
     def __init__(self, options):
         self.username = options["cloud_user_name"]
         self.apikey = options["cloud_api_key"]
@@ -54,7 +57,7 @@ class Rackspace(object):
 
         for region in self.rksp.list_regions():
             log.debug("Rackspace regions: %s" % (region))
-            
+
         log.debug("Checking region: %s" % (self.region))
         self.rksp.set_region(self.region)
         for server in self.rksp.list_instances():

gns3server/config.py

@@ -30,6 +30,7 @@ CLOUD_SERVER = 'CLOUD_SERVER'
 
 
 class Config(object):
+
     """
     Configuration file management using configparser.
     """
@@ -117,7 +118,7 @@ class Config(object):
         :returns: configparser section
         """
 
-        if not section in self._config:
+        if section is not in self._config:
             return self._config["DEFAULT"]
         return self._config[section]
 

gns3server/handlers/auth_handler.py

@@ -27,32 +27,37 @@ import tornado.websocket
 import logging
 log = logging.getLogger(__name__)
 
+
 class GNS3BaseHandler(tornado.web.RequestHandler):
+
     def get_current_user(self):
         if 'required_user' not in self.settings:
             return "FakeUser"
 
         user = self.get_secure_cookie("user")
         if not user:
-          return None
+            return None
 
         if self.settings['required_user'] == user.decode("utf-8"):
-          return user
+            return user
+
 
 class GNS3WebSocketBaseHandler(tornado.websocket.WebSocketHandler):
+
     def get_current_user(self):
         if 'required_user' not in self.settings:
             return "FakeUser"
 
         user = self.get_secure_cookie("user")
         if not user:
-          return None
+            return None
 
         if self.settings['required_user'] == user.decode("utf-8"):
-          return user
+            return user
 
 
 class LoginHandler(tornado.web.RequestHandler):
+
     def get(self):
         self.write('<html><body><form action="/login" method="post">'
                    'Name: <input type="text" name="name">'
@@ -61,10 +66,10 @@ class LoginHandler(tornado.web.RequestHandler):
                    '</form></body></html>')
 
         try:
-          redirect_to = self.get_argument("next")
+            redirect_to = self.get_argument("next")
-          self.set_secure_cookie("login_success_redirect_to", redirect_to)
+            self.set_secure_cookie("login_success_redirect_to", redirect_to)
         except tornado.web.MissingArgumentError:
-          pass
+            pass
 
     def post(self):
 
@@ -72,21 +77,21 @@ class LoginHandler(tornado.web.RequestHandler):
         password = self.get_argument("password")
 
         if self.settings['required_user'] == user and self.settings['required_pass'] == password:
-          self.set_secure_cookie("user", user)
+            self.set_secure_cookie("user", user)
-          auth_status = "successful"
+            auth_status = "successful"
         else:
-          self.set_secure_cookie("user", "None")
+            self.set_secure_cookie("user", "None")
-          auth_status = "failure"
+            auth_status = "failure"
 
         log.info("Authentication attempt {}: {}, {}".format(auth_status, user, password))
 
         try:
-          redirect_to = self.get_secure_cookie("login_success_redirect_to")
+            redirect_to = self.get_secure_cookie("login_success_redirect_to")
         except tornado.web.MissingArgumentError:
-          redirect_to = "/"
+            redirect_to = "/"
 
         if redirect_to is None:
             self.write({'result': auth_status})
         else:
             log.info('Redirecting to {}'.format(redirect_to))
-            self.redirect(redirect_to)
+            self.redirect(redirect_to)

gns3server/handlers/file_upload_handler.py

@@ -34,6 +34,7 @@ log = logging.getLogger(__name__)
 
 
 class FileUploadHandler(GNS3BaseHandler):
+
     """
     File upload handler.
 

gns3server/handlers/project_handler.py

@@ -22,6 +22,7 @@ from aiohttp.web import HTTPConflict
 
 
 class ProjectHandler:
+
     @classmethod
     @Route.post(
         r"/project",

gns3server/handlers/virtualbox_handler.py

@@ -22,6 +22,7 @@ from ..modules.virtualbox import VirtualBox
 
 
 class VirtualBoxHandler:
+
     """
     API entry points for VirtualBox.
     """

gns3server/handlers/vpcs_handler.py

@@ -23,6 +23,7 @@ from ..modules.vpcs import VPCS
 
 
 class VPCSHandler:
+
     """
     API entry points for VPCS.
     """

gns3server/main.py

@@ -27,6 +27,7 @@ from gns3server.version import __version__
 import logging
 log = logging.getLogger(__name__)
 
+
 def locale_check():
     """
     Checks if this application runs with a correct locale (i.e. supports UTF-8 encoding) and attempt to fix
@@ -71,11 +72,10 @@ def main():
     Entry point for GNS3 server
     """
 
-    #TODO: migrate command line options to argparse (don't forget the quiet mode).
+    # TODO: migrate command line options to argparse (don't forget the quiet mode).
 
     current_year = datetime.date.today().year
 
-
     # TODO: Renable the test when we will have command line
     # user_log = logging.getLogger('user_facing')
     # if not options.quiet:
@@ -95,7 +95,7 @@ def main():
 
     user_log.info("GNS3 server version {}".format(__version__))
     user_log.info("Copyright (c) 2007-{} GNS3 Technologies Inc.".format(current_year))
-    #TODO: end todo
+    # TODO: end todo
 
     # we only support Python 3 version >= 3.3
     if sys.version_info < (3, 3):
@@ -115,7 +115,7 @@ def main():
         return
 
     # TODO: Renable console_bind_to_any when we will have command line parsing
-    #server = Server(options.host, options.port, options.console_bind_to_any)
+    # server = Server(options.host, options.port, options.console_bind_to_any)
     server = Server("127.0.0.1", 8000, False)
     server.run()
 

gns3server/modules/adapters/adapter.py

@@ -17,6 +17,7 @@
 
 
 class Adapter(object):
+
     """
     Base class for adapters.
 

gns3server/modules/adapters/ethernet_adapter.py

@@ -19,6 +19,7 @@ from .adapter import Adapter
 
 
 class EthernetAdapter(Adapter):
+
     """
     VPCS Ethernet adapter.
     """

gns3server/modules/base_manager.py

@@ -24,6 +24,7 @@ from .project_manager import ProjectManager
 
 
 class BaseManager:
+
     """
     Base class for all Manager.
     Responsible of management of a VM pool

gns3server/modules/dynamips/__init__.py

@@ -95,6 +95,7 @@ log = logging.getLogger(__name__)
 
 
 class Dynamips(IModule):
+
     """
     Dynamips module.
 
@@ -140,7 +141,7 @@ class Dynamips(IModule):
         self._console_host = dynamips_config.get("console_host", kwargs["console_host"])
 
         if not sys.platform.startswith("win32"):
-            #FIXME: pickle issues Windows
+            # FIXME: pickle issues Windows
             self._callback = self.add_periodic_callback(self._check_hypervisors, 5000)
             self._callback.start()
 
@@ -323,7 +324,7 @@ class Dynamips(IModule):
 
         log.debug("received request {}".format(request))
 
-        #TODO: JSON schema validation
+        # TODO: JSON schema validation
         if not self._hypervisor_manager:
 
             if "path" in request:
@@ -407,7 +408,7 @@ class Dynamips(IModule):
             rhost = request["nio"]["rhost"]
             rport = request["nio"]["rport"]
             try:
-                #TODO: handle IPv6
+                # TODO: handle IPv6
                 with socket.socket(socket.AF_INET, socket.SOCK_DGRAM) as sock:
                     sock.connect((rhost, rport))
             except OSError as e:

gns3server/modules/dynamips/adapters/adapter.py

@@ -17,6 +17,7 @@
 
 
 class Adapter(object):
+
     """
     Base class for adapters.
 

gns3server/modules/dynamips/adapters/c1700_mb_1fe.py

@@ -19,6 +19,7 @@ from .adapter import Adapter
 
 
 class C1700_MB_1FE(Adapter):
+
     """
     Integrated 1 port FastEthernet adapter for c1700 platform.
     """

gns3server/modules/dynamips/adapters/c1700_mb_wic1.py

@@ -19,6 +19,7 @@ from .adapter import Adapter
 
 
 class C1700_MB_WIC1(Adapter):
+
     """
     Fake module to provide a placeholder for slot 1 interfaces when WICs
     are inserted into WIC slot 1.

gns3server/modules/dynamips/adapters/c2600_mb_1e.py

@@ -19,6 +19,7 @@ from .adapter import Adapter
 
 
 class C2600_MB_1E(Adapter):
+
     """
     Integrated 1 port Ethernet adapter for the c2600 platform.
     """

gns3server/modules/dynamips/adapters/c2600_mb_1fe.py

@@ -19,6 +19,7 @@ from .adapter import Adapter
 
 
 class C2600_MB_1FE(Adapter):
+
     """
     Integrated 1 port FastEthernet adapter for the c2600 platform.
     """

gns3server/modules/dynamips/adapters/c2600_mb_2e.py

@@ -19,6 +19,7 @@ from .adapter import Adapter
 
 
 class C2600_MB_2E(Adapter):
+
     """
     Integrated 2 port Ethernet adapter for the c2600 platform.
     """

gns3server/modules/dynamips/adapters/c2600_mb_2fe.py

@@ -19,6 +19,7 @@ from .adapter import Adapter
 
 
 class C2600_MB_2FE(Adapter):
+
     """
     Integrated 2 port FastEthernet adapter for the c2600 platform.
     """

gns3server/modules/dynamips/adapters/c7200_io_2fe.py

@@ -19,6 +19,7 @@ from .adapter import Adapter
 
 
 class C7200_IO_2FE(Adapter):
+
     """
     C7200-IO-2FE FastEthernet Input/Ouput controller.
     """

gns3server/modules/dynamips/adapters/c7200_io_fe.py

@@ -19,6 +19,7 @@ from .adapter import Adapter
 
 
 class C7200_IO_FE(Adapter):
+
     """
     C7200-IO-FE FastEthernet Input/Ouput controller.
     """

gns3server/modules/dynamips/adapters/c7200_io_ge_e.py

@@ -19,6 +19,7 @@ from .adapter import Adapter
 
 
 class C7200_IO_GE_E(Adapter):
+
     """
     C7200-IO-GE-E GigabitEthernet Input/Ouput controller.
     """

gns3server/modules/dynamips/adapters/leopard_2fe.py

@@ -19,6 +19,7 @@ from .adapter import Adapter
 
 
 class Leopard_2FE(Adapter):
+
     """
     Integrated 2 port FastEthernet adapter for c3660 router.
     """

gns3server/modules/dynamips/adapters/nm_16esw.py

@@ -19,6 +19,7 @@ from .adapter import Adapter
 
 
 class NM_16ESW(Adapter):
+
     """
     NM-16ESW FastEthernet network module.
     """

gns3server/modules/dynamips/adapters/nm_1e.py

@@ -19,6 +19,7 @@ from .adapter import Adapter
 
 
 class NM_1E(Adapter):
+
     """
     NM-1E Ethernet network module.
     """

gns3server/modules/dynamips/adapters/nm_1fe_tx.py

@@ -19,6 +19,7 @@ from .adapter import Adapter
 
 
 class NM_1FE_TX(Adapter):
+
     """
     NM-1FE-TX FastEthernet network module.
     """

gns3server/modules/dynamips/adapters/nm_4e.py

@@ -19,6 +19,7 @@ from .adapter import Adapter
 
 
 class NM_4E(Adapter):
+
     """
     NM-4E Ethernet network module.
     """

gns3server/modules/dynamips/adapters/nm_4t.py

@@ -19,6 +19,7 @@ from .adapter import Adapter
 
 
 class NM_4T(Adapter):
+
     """
     NM-4T Serial network module.
     """

gns3server/modules/dynamips/adapters/pa_2fe_tx.py

@@ -19,6 +19,7 @@ from .adapter import Adapter
 
 
 class PA_2FE_TX(Adapter):
+
     """
     PA-2FE-TX FastEthernet port adapter.
     """

gns3server/modules/dynamips/adapters/pa_4e.py

@@ -19,6 +19,7 @@ from .adapter import Adapter
 
 
 class PA_4E(Adapter):
+
     """
     PA-4E Ethernet port adapter.
     """

gns3server/modules/dynamips/adapters/pa_4t.py

@@ -19,6 +19,7 @@ from .adapter import Adapter
 
 
 class PA_4T(Adapter):
+
     """
     PA-4T+ Serial port adapter.
     """

gns3server/modules/dynamips/adapters/pa_8e.py

@@ -19,6 +19,7 @@ from .adapter import Adapter
 
 
 class PA_8E(Adapter):
+
     """
     PA-8E Ethernet port adapter.
     """

gns3server/modules/dynamips/adapters/pa_8t.py

@@ -19,6 +19,7 @@ from .adapter import Adapter
 
 
 class PA_8T(Adapter):
+
     """
     PA-8T Serial port adapter.
     """

gns3server/modules/dynamips/adapters/pa_a1.py

@@ -19,6 +19,7 @@ from .adapter import Adapter
 
 
 class PA_A1(Adapter):
+
     """
     PA-A1 ATM port adapter.
     """

gns3server/modules/dynamips/adapters/pa_fe_tx.py

@@ -19,6 +19,7 @@ from .adapter import Adapter
 
 
 class PA_FE_TX(Adapter):
+
     """
     PA-FE-TX FastEthernet port adapter.
     """

gns3server/modules/dynamips/adapters/pa_ge.py

@@ -19,6 +19,7 @@ from .adapter import Adapter
 
 
 class PA_GE(Adapter):
+
     """
     PA-GE GigabitEthernet port adapter.
     """

gns3server/modules/dynamips/adapters/pa_pos_oc3.py

@@ -19,6 +19,7 @@ from .adapter import Adapter
 
 
 class PA_POS_OC3(Adapter):
+
     """
     PA-POS-OC3 port adapter.
     """

gns3server/modules/dynamips/adapters/wic_1enet.py

@@ -17,6 +17,7 @@
 
 
 class WIC_1ENET(object):
+
     """
     WIC-1ENET Ethernet
     """

gns3server/modules/dynamips/adapters/wic_1t.py

@@ -17,6 +17,7 @@
 
 
 class WIC_1T(object):
+
     """
     WIC-1T Serial
     """

gns3server/modules/dynamips/adapters/wic_2t.py

@@ -17,6 +17,7 @@
 
 
 class WIC_2T(object):
+
     """
     WIC-2T Serial
     """

gns3server/modules/dynamips/backends/vm.py

@@ -466,7 +466,7 @@ class VM(object):
                 adapter_name = value
                 adapter = ADAPTER_MATRIX[adapter_name]()
                 try:
-                    if router.slots[slot_id] and type(router.slots[slot_id]) != type(adapter):
+                    if router.slots[slot_id] and not isinstance(router.slots[slot_id], type(adapter)):
                         router.slot_remove_binding(slot_id)
                     router.slot_add_binding(slot_id, adapter)
                     response[name] = value
@@ -487,14 +487,14 @@ class VM(object):
                 wic_name = value
                 wic = WIC_MATRIX[wic_name]()
                 try:
-                    if router.slots[0].wics[wic_slot_id] and type(router.slots[0].wics[wic_slot_id]) != type(wic):
+                    if router.slots[0].wics[wic_slot_id] and not isinstance(router.slots[0].wics[wic_slot_id], type(wic)):
                         router.uninstall_wic(wic_slot_id)
                     router.install_wic(wic_slot_id, wic)
                     response[name] = value
                 except DynamipsError as e:
                     self.send_custom_error(str(e))
                     return
-            elif name.startswith("wic") and value == None:
+            elif name.startswith("wic") and value is None:
                 wic_slot_id = int(name[-1])
                 if router.slots[0].wics and router.slots[0].wics[wic_slot_id]:
                     try:

gns3server/modules/dynamips/dynamips_hypervisor.py

@@ -30,6 +30,7 @@ log = logging.getLogger(__name__)
 
 
 class DynamipsHypervisor(object):
+
     """
     Creates a new connection to a Dynamips server (also called hypervisor)
 

gns3server/modules/dynamips/hypervisor.py

@@ -32,6 +32,7 @@ log = logging.getLogger(__name__)
 
 
 class Hypervisor(DynamipsHypervisor):
+
     """
     Hypervisor.
 

gns3server/modules/dynamips/hypervisor_manager.py

@@ -34,6 +34,7 @@ log = logging.getLogger(__name__)
 
 
 class HypervisorManager(object):
+
     """
     Manages Dynamips hypervisors.
 

gns3server/modules/dynamips/nios/nio.py

@@ -27,6 +27,7 @@ log = logging.getLogger(__name__)
 
 
 class NIO(object):
+
     """
     Base NIO class
 

gns3server/modules/dynamips/nios/nio_fifo.py

@@ -26,6 +26,7 @@ log = logging.getLogger(__name__)
 
 
 class NIO_FIFO(NIO):
+
     """
     Dynamips FIFO NIO.
 

gns3server/modules/dynamips/nios/nio_generic_ethernet.py

@@ -26,6 +26,7 @@ log = logging.getLogger(__name__)
 
 
 class NIO_GenericEthernet(NIO):
+
     """
     Dynamips generic Ethernet NIO.
 

gns3server/modules/dynamips/nios/nio_linux_ethernet.py

@@ -26,6 +26,7 @@ log = logging.getLogger(__name__)
 
 
 class NIO_LinuxEthernet(NIO):
+
     """
     Dynamips Linux Ethernet NIO.
 

gns3server/modules/dynamips/nios/nio_mcast.py

@@ -26,6 +26,7 @@ log = logging.getLogger(__name__)
 
 
 class NIO_Mcast(NIO):
+
     """
     Dynamips Linux Ethernet NIO.
 
@@ -103,5 +104,5 @@ class NIO_Mcast(NIO):
         """
 
         self._hypervisor.send("nio set_mcast_ttl {name} {ttl}".format(name=self._name,
-                                                                          ttl=ttl))
+                                                                      ttl=ttl))
         self._ttl = ttl

gns3server/modules/dynamips/nios/nio_null.py

@@ -26,6 +26,7 @@ log = logging.getLogger(__name__)
 
 
 class NIO_Null(NIO):
+
     """
     Dynamips NULL NIO.
 

gns3server/modules/dynamips/nios/nio_tap.py

@@ -26,6 +26,7 @@ log = logging.getLogger(__name__)
 
 
 class NIO_TAP(NIO):
+
     """
     Dynamips TAP NIO.
 

gns3server/modules/dynamips/nios/nio_udp.py

@@ -26,6 +26,7 @@ log = logging.getLogger(__name__)
 
 
 class NIO_UDP(NIO):
+
     """
     Dynamips UDP NIO.
 

gns3server/modules/dynamips/nios/nio_udp_auto.py

@@ -26,6 +26,7 @@ log = logging.getLogger(__name__)
 
 
 class NIO_UDP_auto(NIO):
+
     """
     Dynamips auto UDP NIO.
 

gns3server/modules/dynamips/nios/nio_unix.py

@@ -26,6 +26,7 @@ log = logging.getLogger(__name__)
 
 
 class NIO_UNIX(NIO):
+
     """
     Dynamips UNIX NIO.
 

gns3server/modules/dynamips/nios/nio_vde.py

@@ -26,6 +26,7 @@ log = logging.getLogger(__name__)
 
 
 class NIO_VDE(NIO):
+
     """
     Dynamips VDE NIO.
 

gns3server/modules/dynamips/nodes/atm_bridge.py

@@ -24,6 +24,7 @@ from ..dynamips_error import DynamipsError
 
 
 class ATMBridge(object):
+
     """
     Dynamips bridge switch.
 
@@ -33,7 +34,7 @@ class ATMBridge(object):
 
     def __init__(self, hypervisor, name):
 
-        #FIXME: instance tracking
+        # FIXME: instance tracking
         self._hypervisor = hypervisor
         self._name = '"' + name + '"'  # put name into quotes to protect spaces
         self._hypervisor.send("atm_bridge create {}".format(self._name))

gns3server/modules/dynamips/nodes/atm_switch.py

@@ -28,6 +28,7 @@ log = logging.getLogger(__name__)
 
 
 class ATMSwitch(object):
+
     """
     Dynamips ATM switch.
 

gns3server/modules/dynamips/nodes/bridge.py

@@ -22,6 +22,7 @@ http://github.com/GNS3/dynamips/blob/master/README.hypervisor#L538
 
 
 class Bridge(object):
+
     """
     Dynamips bridge.
 

gns3server/modules/dynamips/nodes/c1700.py

@@ -29,6 +29,7 @@ log = logging.getLogger(__name__)
 
 
 class C1700(Router):
+
     """
     Dynamips c1700 router.
 

gns3server/modules/dynamips/nodes/c2600.py

@@ -31,6 +31,7 @@ log = logging.getLogger(__name__)
 
 
 class C2600(Router):
+
     """
     Dynamips c2600 router.
 

gns3server/modules/dynamips/nodes/c2691.py

@@ -28,6 +28,7 @@ log = logging.getLogger(__name__)
 
 
 class C2691(Router):
+
     """
     Dynamips c2691 router.
 

gns3server/modules/dynamips/nodes/c3600.py

@@ -28,6 +28,7 @@ log = logging.getLogger(__name__)
 
 
 class C3600(Router):
+
     """
     Dynamips c3600 router.
 

gns3server/modules/dynamips/nodes/c3725.py

@@ -28,6 +28,7 @@ log = logging.getLogger(__name__)
 
 
 class C3725(Router):
+
     """
     Dynamips c3725 router.
 

gns3server/modules/dynamips/nodes/c3745.py

@@ -28,6 +28,7 @@ log = logging.getLogger(__name__)
 
 
 class C3745(Router):
+
     """
     Dynamips c3745 router.
 

gns3server/modules/dynamips/nodes/c7200.py

@@ -30,6 +30,7 @@ log = logging.getLogger(__name__)
 
 
 class C7200(Router):
+
     """
     Dynamips c7200 router (model is 7206).
 
@@ -227,9 +228,9 @@ class C7200(Router):
                                                                                                         powered_on=power_supply))
 
             log.info("router {name} [id={id}]: power supply {power_supply_id} state updated to {powered_on}".format(name=self._name,
-                                                                                                                            id=self._id,
+                                                                                                                    id=self._id,
-                                                                                                                            power_supply_id=power_supply_id,
+                                                                                                                    power_supply_id=power_supply_id,
-                                                                                                                            powered_on=power_supply))
+                                                                                                                    powered_on=power_supply))
             power_supply_id += 1
 
         self._power_supplies = power_supplies

gns3server/modules/dynamips/nodes/ethernet_switch.py

@@ -28,6 +28,7 @@ log = logging.getLogger(__name__)
 
 
 class EthernetSwitch(object):
+
     """
     Dynamips Ethernet switch.
 
@@ -268,9 +269,9 @@ class EthernetSwitch(object):
                                                                                      outer_vlan=outer_vlan))
 
         log.info("Ethernet switch {name} [id={id}]: port {port} set as a QinQ port with outer VLAN {vlan_id}".format(name=self._name,
-                                                                                                                       id=self._id,
+                                                                                                                     id=self._id,
-                                                                                                                       port=port,
+                                                                                                                     port=port,
-                                                                                                                       vlan_id=outer_vlan))
+                                                                                                                     vlan_id=outer_vlan))
         self._mapping[port] = ("qinq", outer_vlan)
 
     def get_mac_addr_table(self):

gns3server/modules/dynamips/nodes/frame_relay_switch.py

@@ -28,6 +28,7 @@ log = logging.getLogger(__name__)
 
 
 class FrameRelaySwitch(object):
+
     """
     Dynamips Frame Relay switch.
 

gns3server/modules/dynamips/nodes/hub.py

@@ -28,6 +28,7 @@ log = logging.getLogger(__name__)
 
 
 class Hub(Bridge):
+
     """
     Dynamips hub (based on Bridge)
 

gns3server/modules/dynamips/nodes/router.py

@@ -33,6 +33,7 @@ log = logging.getLogger(__name__)
 
 
 class Router(object):
+
     """
     Dynamips router implementation.
 
@@ -575,7 +576,7 @@ class Router(object):
         try:
             reply = self._hypervisor.send("vm extract_config {}".format(self._name))[0].rsplit(' ', 2)[-2:]
         except IOError:
-            #for some reason Dynamips gets frozen when it does not find the magic number in the NVRAM file.
+            # for some reason Dynamips gets frozen when it does not find the magic number in the NVRAM file.
             return None, None
         startup_config = reply[0][1:-1]  # get statup-config and remove single quotes
         private_config = reply[1][1:-1]  # get private-config and remove single quotes

gns3server/modules/dynamips/schemas/ethsw.py

@@ -44,7 +44,7 @@ ETHSW_DELETE_SCHEMA = {
     "required": ["id"]
 }
 
-#TODO: ports {'1': {'vlan': 1, 'type': 'qinq'}
+# TODO: ports {'1': {'vlan': 1, 'type': 'qinq'}
 ETHSW_UPDATE_SCHEMA = {
     "$schema": "http://json-schema.org/draft-04/schema#",
     "description": "Request validation to update an Ethernet switch instance",
@@ -59,20 +59,20 @@ ETHSW_UPDATE_SCHEMA = {
             "type": "string",
             "minLength": 1,
         },
-#         "ports": {
+        #         "ports": {
-#             "type": "object",
+        #             "type": "object",
-#             "properties": {
+        #             "properties": {
-#                     "type": {
+        #                     "type": {
-#                         "description": "Port type",
+        #                         "description": "Port type",
-#                         "enum": ["access", "dot1q", "qinq"],
+        #                         "enum": ["access", "dot1q", "qinq"],
-#                     },
+        #                     },
-#                     "vlan": {
+        #                     "vlan": {
-#                         "description": "VLAN number",
+        #                         "description": "VLAN number",
-#                         "type": "integer",
+        #                         "type": "integer",
-#                         "minimum": 1
+        #                         "minimum": 1
-#                     },
+        #                     },
-#                 },
+        #                 },
-#         },
+        #         },
     },
     #"additionalProperties": False,
     "required": ["id"]

gns3server/modules/dynamips/schemas/vm.py

@@ -147,7 +147,7 @@ VM_RELOAD_SCHEMA = {
     "required": ["id"]
 }
 
-#TODO: improve platform specific properties (dependencies?)
+# TODO: improve platform specific properties (dependencies?)
 VM_UPDATE_SCHEMA = {
     "$schema": "http://json-schema.org/draft-04/schema#",
     "description": "Request validation to update a VM instance",

gns3server/modules/iou/__init__.py

@@ -56,6 +56,7 @@ log = logging.getLogger(__name__)
 
 
 class IOU(IModule):
+
     """
     IOU module.
 
@@ -635,7 +636,7 @@ class IOU(IModule):
                 rhost = request["nio"]["rhost"]
                 rport = request["nio"]["rport"]
                 try:
-                    #TODO: handle IPv6
+                    # TODO: handle IPv6
                     with socket.socket(socket.AF_INET, socket.SOCK_DGRAM) as sock:
                         sock.connect((rhost, rport))
                 except OSError as e:

gns3server/modules/iou/adapters/adapter.py

@@ -17,6 +17,7 @@
 
 
 class Adapter(object):
+
     """
     Base class for adapters.
 

gns3server/modules/iou/adapters/ethernet_adapter.py

@@ -19,6 +19,7 @@ from .adapter import Adapter
 
 
 class EthernetAdapter(Adapter):
+
     """
     IOU Ethernet adapter.
     """

gns3server/modules/iou/adapters/serial_adapter.py

@@ -19,6 +19,7 @@ from .adapter import Adapter
 
 
 class SerialAdapter(Adapter):
+
     """
     IOU Serial adapter.
     """

gns3server/modules/iou/iou_device.py

@@ -43,6 +43,7 @@ log = logging.getLogger(__name__)
 
 
 class IOUDevice(object):
+
     """
     IOU device implementation.
 

gns3server/modules/iou/ioucon.py

@@ -56,22 +56,22 @@ EXIT_ABORT = 2
 # Mostly from:
 # https://code.google.com/p/miniboa/source/browse/trunk/miniboa/telnet.py
 #--[ Telnet Commands ]---------------------------------------------------------
-SE = 240 # End of sub-negotiation parameters
+SE = 240  # End of sub-negotiation parameters
-NOP = 241 # No operation
+NOP = 241  # No operation
-DATMK = 242 # Data stream portion of a sync.
+DATMK = 242  # Data stream portion of a sync.
-BREAK = 243 # NVT Character BRK
+BREAK = 243  # NVT Character BRK
-IP = 244 # Interrupt Process
+IP = 244  # Interrupt Process
-AO = 245 # Abort Output
+AO = 245  # Abort Output
-AYT = 246 # Are you there
+AYT = 246  # Are you there
-EC = 247 # Erase Character
+EC = 247  # Erase Character
-EL = 248 # Erase Line
+EL = 248  # Erase Line
-GA = 249 # The Go Ahead Signal
+GA = 249  # The Go Ahead Signal
-SB = 250 # Sub-option to follow
+SB = 250  # Sub-option to follow
-WILL = 251 # Will; request or confirm option begin
+WILL = 251  # Will; request or confirm option begin
-WONT = 252 # Wont; deny option request
+WONT = 252  # Wont; deny option request
-DO = 253 # Do = Request or confirm remote option
+DO = 253  # Do = Request or confirm remote option
-DONT = 254 # Don't = Demand or confirm option halt
+DONT = 254  # Don't = Demand or confirm option halt
-IAC = 255 # Interpret as Command
+IAC = 255  # Interpret as Command
 SEND = 1   # Sub-process negotiation SEND command
 IS = 0   # Sub-process negotiation IS command
 #--[ Telnet Options ]----------------------------------------------------------
@@ -154,6 +154,7 @@ class FileLock:
 
 
 class Console:
+
     def fileno(self):
         raise NotImplementedError("Only routers have fileno()")
 

gns3server/modules/iou/nios/nio.py

@@ -21,6 +21,7 @@ Base interface for NIOs.
 
 
 class NIO(object):
+
     """
     Network Input/Output.
     """

gns3server/modules/iou/nios/nio_generic_ethernet.py

@@ -23,6 +23,7 @@ from .nio import NIO
 
 
 class NIO_GenericEthernet(NIO):
+
     """
     Generic Ethernet NIO.
 

gns3server/modules/iou/nios/nio_tap.py

@@ -23,6 +23,7 @@ from .nio import NIO
 
 
 class NIO_TAP(NIO):
+
     """
     TAP NIO.
 

gns3server/modules/iou/nios/nio_udp.py

@@ -23,6 +23,7 @@ from .nio import NIO
 
 
 class NIO_UDP(NIO):
+
     """
     UDP NIO.
 

gns3server/modules/nios/nio_tap.py

@@ -21,6 +21,7 @@ Interface for TAP NIOs (UNIX based OSes only).
 
 
 class NIO_TAP(object):
+
     """
     TAP NIO.
 

gns3server/modules/nios/nio_udp.py

@@ -21,6 +21,7 @@ Interface for UDP NIOs.
 
 
 class NIO_UDP(object):
+
     """
     UDP NIO.
 

gns3server/modules/port_manager.py

@@ -21,6 +21,7 @@ import asyncio
 
 
 class PortManager:
+
     """
     :param host: IP address to bind for console connections
     """

gns3server/modules/project.py

@@ -21,6 +21,7 @@ from uuid import uuid4
 
 
 class Project:
+
     """
     A project contains a list of VM.
     In theory VM are isolated project/project.

gns3server/modules/project_manager.py

@@ -20,6 +20,7 @@ from .project import Project
 
 
 class ProjectManager:
+
     """
     This singleton keeps track of available projects.
     """

gns3server/modules/qemu/__init__.py

@@ -49,6 +49,7 @@ log = logging.getLogger(__name__)
 
 
 class Qemu(IModule):
+
     """
     QEMU module.
 
@@ -551,7 +552,7 @@ class Qemu(IModule):
                 rhost = request["nio"]["rhost"]
                 rport = request["nio"]["rport"]
                 try:
-                    #TODO: handle IPv6
+                    # TODO: handle IPv6
                     with socket.socket(socket.AF_INET, socket.SOCK_DGRAM) as sock:
                         sock.connect((rhost, rport))
                 except OSError as e:

gns3server/modules/qemu/adapters/adapter.py

@@ -17,6 +17,7 @@
 
 
 class Adapter(object):
+
     """
     Base class for adapters.
 

gns3server/modules/qemu/adapters/ethernet_adapter.py

@@ -19,6 +19,7 @@ from .adapter import Adapter
 
 
 class EthernetAdapter(Adapter):
+
     """
     QEMU Ethernet adapter.
     """

gns3server/modules/qemu/nios/nio.py

@@ -21,6 +21,7 @@ Base interface for NIOs.
 
 
 class NIO(object):
+
     """
     Network Input/Output.
     """

gns3server/modules/qemu/nios/nio_udp.py

@@ -23,6 +23,7 @@ from .nio import NIO
 
 
 class NIO_UDP(NIO):
+
     """
     UDP NIO.
 

gns3server/modules/qemu/qemu_vm.py

@@ -43,6 +43,7 @@ log = logging.getLogger(__name__)
 
 
 class QemuVM(object):
+
     """
     QEMU VM implementation.
 
@@ -462,7 +463,6 @@ class QemuVM(object):
                                                                                                         disk_image=hdb_disk_image))
         self._hdb_disk_image = hdb_disk_image
 
-
     @property
     def adapters(self):
         """
@@ -586,7 +586,6 @@ class QemuVM(object):
                                                                                               priority=process_priority))
         self._process_priority = process_priority
 
-
     @property
     def ram(self):
         """
@@ -999,18 +998,18 @@ class QemuVM(object):
                 if self._legacy_networking:
                     self._control_vm("host_net_remove {} gns3-{}".format(adapter_id, adapter_id))
                     self._control_vm("host_net_add udp vlan={},name=gns3-{},sport={},dport={},daddr={}".format(adapter_id,
-                                                                                                              adapter_id,
+                                                                                                               adapter_id,
-                                                                                                              nio.lport,
+                                                                                                               nio.lport,
-                                                                                                              nio.rport,
+                                                                                                               nio.rport,
-                                                                                                              nio.rhost))
+                                                                                                               nio.rhost))
                 else:
                     self._control_vm("host_net_remove {} gns3-{}".format(adapter_id, adapter_id))
                     self._control_vm("host_net_add socket vlan={},name=gns3-{},udp={}:{},localaddr={}:{}".format(adapter_id,
-                                                                                                                adapter_id,
+                                                                                                                 adapter_id,
-                                                                                                                nio.rhost,
+                                                                                                                 nio.rhost,
-                                                                                                                nio.rport,
+                                                                                                                 nio.rport,
-                                                                                                                self._host,
+                                                                                                                 self._host,
-                                                                                                                nio.lport))
+                                                                                                                 nio.lport))
 
         adapter.add_nio(0, nio)
         log.info("QEMU VM {name} [id={id}]: {nio} added to adapter {adapter_id}".format(name=self._name,
@@ -1154,8 +1153,8 @@ class QemuVM(object):
             if not os.path.exists(hdb_disk):
                 try:
                     retcode = subprocess.call([qemu_img_path, "create", "-o",
-                                              "backing_file={}".format(self._hdb_disk_image),
+                                               "backing_file={}".format(self._hdb_disk_image),
-                                              "-f", "qcow2", hdb_disk])
+                                               "-f", "qcow2", hdb_disk])
                     log.info("{} returned with {}".format(qemu_img_path, retcode))
                 except (OSError, subprocess.SubprocessError) as e:
                     raise QemuError("Could not create disk image {}".format(e))
@@ -1190,24 +1189,24 @@ class QemuVM(object):
         network_options = []
         adapter_id = 0
         for adapter in self._ethernet_adapters:
-            #TODO: let users specify a base mac address
+            # TODO: let users specify a base mac address
             mac = "00:00:ab:%02x:%02x:%02d" % (random.randint(0x00, 0xff), random.randint(0x00, 0xff), adapter_id)
             network_options.extend(["-net", "nic,vlan={},macaddr={},model={}".format(adapter_id, mac, self._adapter_type)])
             nio = adapter.get_nio(0)
             if nio and isinstance(nio, NIO_UDP):
                 if self._legacy_networking:
                     network_options.extend(["-net", "udp,vlan={},name=gns3-{},sport={},dport={},daddr={}".format(adapter_id,
-                                                                                                                adapter_id,
+                                                                                                                 adapter_id,
-                                                                                                                nio.lport,
+                                                                                                                 nio.lport,
-                                                                                                                nio.rport,
+                                                                                                                 nio.rport,
-                                                                                                                nio.rhost)])
+                                                                                                                 nio.rhost)])
                 else:
                     network_options.extend(["-net", "socket,vlan={},name=gns3-{},udp={}:{},localaddr={}:{}".format(adapter_id,
-                                                                                                                  adapter_id,
+                                                                                                                   adapter_id,
-                                                                                                                  nio.rhost,
+                                                                                                                   nio.rhost,
-                                                                                                                  nio.rport,
+                                                                                                                   nio.rport,
-                                                                                                                  self._host,
+                                                                                                                   self._host,
-                                                                                                                  nio.lport)])
+                                                                                                                   nio.lport)])
             else:
                 network_options.extend(["-net", "user,vlan={},name=gns3-{}".format(adapter_id, adapter_id)])
             adapter_id += 1

gns3server/modules/virtualbox/telnet_server.py

@@ -31,6 +31,7 @@ if sys.platform.startswith("win"):
 
 
 class TelnetServer(threading.Thread):
+
     """
     Mini Telnet Server.
 
@@ -226,37 +227,38 @@ class TelnetServer(threading.Thread):
 # Mostly from https://code.google.com/p/miniboa/source/browse/trunk/miniboa/telnet.py
 
 # Telnet Commands
-SE      = 240    # End of sub-negotiation parameters
+SE = 240    # End of sub-negotiation parameters
-NOP     = 241    # No operation
+NOP = 241    # No operation
-DATMK   = 242    # Data stream portion of a sync.
+DATMK = 242    # Data stream portion of a sync.
-BREAK   = 243    # NVT Character BRK
+BREAK = 243    # NVT Character BRK
-IP      = 244    # Interrupt Process
+IP = 244    # Interrupt Process
-AO      = 245    # Abort Output
+AO = 245    # Abort Output
-AYT     = 246    # Are you there
+AYT = 246    # Are you there
-EC      = 247    # Erase Character
+EC = 247    # Erase Character
-EL      = 248    # Erase Line
+EL = 248    # Erase Line
-GA      = 249    # The Go Ahead Signal
+GA = 249    # The Go Ahead Signal
-SB      = 250    # Sub-option to follow
+SB = 250    # Sub-option to follow
-WILL    = 251    # Will; request or confirm option begin
+WILL = 251    # Will; request or confirm option begin
-WONT    = 252    # Wont; deny option request
+WONT = 252    # Wont; deny option request
-DO      = 253    # Do = Request or confirm remote option
+DO = 253    # Do = Request or confirm remote option
-DONT    = 254    # Don't = Demand or confirm option halt
+DONT = 254    # Don't = Demand or confirm option halt
-IAC     = 255    # Interpret as Command
+IAC = 255    # Interpret as Command
-SEND    = 1      # Sub-process negotiation SEND command
+SEND = 1      # Sub-process negotiation SEND command
-IS      = 0      # Sub-process negotiation IS command
+IS = 0      # Sub-process negotiation IS command
 
 # Telnet Options
-BINARY  = 0      # Transmit Binary
+BINARY = 0      # Transmit Binary
-ECHO    = 1      # Echo characters back to sender
+ECHO = 1      # Echo characters back to sender
-RECON   = 2      # Reconnection
+RECON = 2      # Reconnection
-SGA     = 3      # Suppress Go-Ahead
+SGA = 3      # Suppress Go-Ahead
-TMARK   = 6      # Timing Mark
+TMARK = 6      # Timing Mark
-TTYPE   = 24     # Terminal Type
+TTYPE = 24     # Terminal Type
-NAWS    = 31     # Negotiate About Window Size
+NAWS = 31     # Negotiate About Window Size
-LINEMO  = 34     # Line Mode
+LINEMO = 34     # Line Mode
 
 
 class TelnetClient(object):
+
     """
     Represents a Telnet client connection.