Example #1
0
    def __init__(self,
                 command_executor='http://127.0.0.1:4444/wd/hub',
                 desired_capabilities=None,
                 browser_profile=None):
        """
        Create a new driver that will issue commands using the wire protocol.

        :Args:
         - command_executor - Either a command.CommandExecutor object or a string that specifies the URL of a remote server to send commands to.
         - desired_capabilities - Dictionary holding predefined values for starting a browser
         - browser_profile - A selenium.webdriver.firefox.firefox_profile.FirefoxProfile object.  Only used if Firefox is requested.
        """
        if desired_capabilities is None:
            raise WebDriverException("Desired Capabilities can't be None")
        if not isinstance(desired_capabilities, dict):
            raise WebDriverException(
                "Desired Capabilities must be a dictionary")
        self.command_executor = command_executor
        if type(self.command_executor) is str or type(
                self.command_executor) is unicode:
            self.command_executor = RemoteConnection(command_executor)
        self.session_id = None
        self.capabilities = {}
        self.error_handler = ErrorHandler()
        self.start_client()
        self.start_session(desired_capabilities, browser_profile)
Example #2
0
    def __init__(self, remote_server_addr, keep_alive=False):
        # Attempt to resolve the hostname and get an IP address.
        self.keep_alive = keep_alive
        self.error_handler = ErrorHandler()
        parsed_url = parse.urlparse(remote_server_addr)
        addr = ""
        if parsed_url.hostname:
            try:
                netloc = socket.gethostbyname(parsed_url.hostname)
                addr = netloc
                if parsed_url.port:
                    netloc += ':%d' % parsed_url.port
                if parsed_url.username:
                    auth = parsed_url.username
                    if parsed_url.password:
                        auth += ':%s' % parsed_url.password
                    netloc = '%s@%s' % (auth, netloc)
                remote_server_addr = parse.urlunparse(
                    (parsed_url.scheme, netloc, parsed_url.path,
                     parsed_url.params, parsed_url.query, parsed_url.fragment))
            except socket.gaierror:
                LOGGER.info('Could not get IP address for host: %s' % parsed_url.hostname)

        self._url = remote_server_addr
        if keep_alive:
            self._conn = httplib.HTTPConnection(
                str(addr), str(parsed_url.port), timeout=self._timeout)
Example #3
0
    def __init__(self,
                 command_executor='http://127.0.0.1:4444/wd/hub',
                 desired_capabilities=None,
                 browser_profile=None):
        """Create a new driver that will issue commands using the wire protocol.

        Args:
          command_executor - Either a command.CommandExecutor object or a string
              that specifies the URL of a remote server to send commands to.
          desired_capabilities - Dictionary holding predefined values for starting 
              a browser    
          browser_profile: A browser profile directory as a Base64-encoded
              zip file.  Only used if Firefox is requested.
        """
        if desired_capabilities is None:
            raise WebDriverException(" Desired Capabilities can't be None")

        self.command_executor = command_executor
        if type(self.command_executor) is str:
            self.command_executor = RemoteConnection(command_executor)

        self.session_id = None
        self.capabilities = {}
        self.error_handler = ErrorHandler()

        self.start_client()
        self.start_session(desired_capabilities, browser_profile)
Example #4
0
    def __init__(self, command_executor, browser_name, platform, version='',
                 javascript_enabled=True):
        """Create a new driver that will issue commands using the wire protocol.

        Args:
          command_executor - Either a command.CommandExecutor object or a string
              that specifies the URL of a remote server to send commands to.
          browser_name - A string indicating which browser to request a new
              session for from the remote server.  Should be one of
              {mobile safari|firefox|internet explorer|htmlunit|chrome}.
          platform - A string indicating the desired platform to request from
              the remote server. Should be one of
              {WINDOWS|XP|VISTA|MAC|LINUX|UNIX|ANY}.
          version - A string indicating a specific browser version to request,
              or an empty string ot use any available browser. Defaults to the
              empty string.
          javascript_enabled - Whether the requested browser should support
              JavaScript.  Defaults to True.
        """
        self.command_executor = command_executor
        if type(self.command_executor) is str:
            self.command_executor = RemoteConnection(command_executor)

        self.session_id = None
        self.capabilities = {}
        self.error_handler = ErrorHandler()

        self.start_client()
        self.start_session(browser_name=browser_name,
                           platform=platform,
                           version=version,
                           javascript_enabled=javascript_enabled)
Example #5
0
def _main(arguments):
    error_tracker = ErrorHandler()

    run(arguments)

    if error_tracker.fired:
        print(
            "A fatal error occurred, please review the log output for more information.",
            file=sys.stderr,
        )
        sys.exit(1)
    sys.exit(0)
Example #6
0
def _configure_logging(log_level: str) -> None:

    logger = logging.getLogger(__name__)

    logging.basicConfig(
        handlers=[
            logging.StreamHandler(sys.stdout),
        ],
        format="%(asctime)s - %(levelname)s - %(name)s - %(message)s",
        level=log_level,
    )
    error_tracker = ErrorHandler()

    return logger, error_tracker
Example #7
0
def main() -> None:

    load_dotenv()
    # WARNING! Do not make the following call in a function decorated with @catch_exceptions
    arguments = parse_main_arguments(sys.argv[1:])
    _configure_logging(arguments)
    error_tracker: ErrorHandler = ErrorHandler()

    _run_loader(arguments)

    if error_tracker.fired:
        print(
            "A fatal error occurred, please review the log output for more information.",
            file=sys.stderr,
        )
        sys.exit(1)
    sys.exit(0)
async def main() -> None:
    load_dotenv()
    configuration = parse_main_arguments()
    _configure_logging(configuration)

    # Important that this comes _after_ the logging configuration
    error_tracker = ErrorHandler()

    await run(configuration)

    if error_tracker.fired:
        print(
            "A fatal error occurred, please review the log output for more information.",
            file=sys.stderr,
        )
        sys.exit(1)
    sys.exit(0)
Example #9
0
def main() -> None:
    global logger

    load_dotenv()
    arguments = parse_main_arguments(sys.argv[1:])
    _configure_logging(arguments)
    error_tracker: ErrorHandler = ErrorHandler()

    try:
        run(arguments)
    except Exception as error:
        logger.error(error)
        print(error.__traceback__, file=sys.stderr)

    if error_tracker.fired:
        print(
            "A fatal error occurred, please review the log output for more information.",
            file=sys.stderr,
        )
        sys.exit(1)
    sys.exit(0)
Example #10
0
File: view.py Project: jorluft/fla
    def __init__(self, bp_name, filename, url_prefix="", template_folder=""):
        # setting blue print for this module
        self.set_blueprint(bp_name, filename, url_prefix, template_folder)
        # ==
        self.error_handle = ErrorHandler()
        # common - varbiales available to all module templates
        self.common = {}
        # ==

        # Required roles, leaving this empty means anyone can access this module.
        # anon - is the defualt role a(not logged in).
        # viewer - is the default role of a logged in user.
        # buyer - Consumer looking for ad spaces, has access to the search module (has already made a payment).
        # subscriber - A subscribed user
        # provider - Ad space provider, who will have access to add their media to the system.
        # admin - Has access to everything
        self.admin_role = "admin"
        self.available_roles = [
            "anon", "viewer", "buyer", "subscriber", "provider",
            self.admin_role
        ]
        self.required_roles = []  # set in each module
Example #11
0
 def __init__(self,
              level=logging.ERROR,
              message='No output as errors have occurred.'):
     from errorhandler import ErrorHandler
     self.handler = ErrorHandler(level)
     self.message = message
Example #12
0
File: model.py Project: jorluft/fla
 def __init__(self):
     self.db_name = current_app.config["DB"]["name"]
     self.collection_name = ""
     self.content = None
     self.error_handle = ErrorHandler()
Example #13
0
File: main.py Project: orgoj/pyznap
def _main():
    """pyznap main function. Parses arguments and calls snap/clean/send functions accordingly.

    Returns
    -------
    int
        Exit code
    """

    settings = {
        "matching": None,
    }

    parser = ArgumentParser(
        prog='pyznap',
        description='ZFS snapshot tool written in python (version=' +
        __version__ + ')')
    parser.add_argument('-q',
                        '--quiet',
                        action="store_true",
                        dest="quiet",
                        help='quiet logging, only errors shown (WARNING)')
    parser.add_argument('-v',
                        '--verbose',
                        action="store_true",
                        dest="verbose",
                        help='print more verbose output (DEBUG)')
    parser.add_argument('-t',
                        '--trace',
                        action="store_true",
                        dest="trace",
                        help='print run tracing output (TRACE)')
    parser.add_argument('-n',
                        '--dry-run',
                        action="store_true",
                        dest="dry_run",
                        help='only test run, no action taken')
    parser.add_argument('--syslog',
                        action="store_true",
                        dest="syslog",
                        help='add logging to syslog (INFO)')
    parser.add_argument('--logconfig',
                        action="store_true",
                        dest="logconfig",
                        help='add config name to log')
    parser.add_argument('--config',
                        action="store",
                        dest="config",
                        help='path to config file')
    parser.add_argument('-m',
                        '--matching',
                        action="store",
                        dest="matching",
                        help='only process matching filesystems')
    parser.add_argument('--pidfile',
                        action="store",
                        dest="pidfile",
                        default=None,
                        help='path to pid file')
    parser.add_argument('-V',
                        '--version',
                        action="store_true",
                        dest="version",
                        help='print version number')

    subparsers = parser.add_subparsers(dest='command')

    parser_setup = subparsers.add_parser('setup', help='initial setup')
    parser_setup.add_argument(
        '-p',
        '--path',
        action='store',
        dest='path',
        help='pyznap config dir. default is {:s}'.format(CONFIG_DIR))

    parser_snap = subparsers.add_parser('snap', help='zfs snapshot tools')
    parser_snap.add_argument('--take',
                             action="store_true",
                             help='take snapshots according to config file')
    parser_snap.add_argument(
        '--clean',
        action="store_true",
        help='clean old snapshots according to config file')
    parser_snap.add_argument(
        '--full',
        action="store_true",
        help='take snapshots then clean old according to config file')

    parser_send = subparsers.add_parser('send', help='zfs send/receive tools')
    parser_send.add_argument('-s',
                             '--source',
                             action="store",
                             dest='source',
                             help='source filesystem')
    parser_send.add_argument('-d',
                             '--dest',
                             action="store",
                             dest='dest',
                             help='destination filesystem')
    parser_send.add_argument('-i',
                             '--key',
                             action="store",
                             dest='key',
                             help='ssh key if only source or dest is remote')
    parser_send.add_argument('-j',
                             '--source-key',
                             action="store",
                             dest='source_key',
                             help='ssh key for source if both are remote')
    parser_send.add_argument('-k',
                             '--dest-key',
                             action="store",
                             dest='dest_key',
                             help='ssh key for dest if both are remote')
    parser_send.add_argument(
        '-c',
        '--compress',
        action="store",
        dest='compress',
        help='compression to use for ssh transfer. default is lzop')
    parser_send.add_argument('-e',
                             '--exclude',
                             nargs='+',
                             dest='exclude',
                             help='datasets to exclude')
    parser_send.add_argument('-w',
                             '--raw',
                             action="store_true",
                             dest='raw',
                             help='raw zfs send. default is false')
    parser_send.add_argument('-r',
                             '--resume',
                             action="store_true",
                             dest='resume',
                             help='resumable send. default is false')
    parser_send.add_argument('-l',
                             '--last',
                             action="store_true",
                             dest='send_last_snapshot',
                             help='stat sending from last snapshot')
    parser_send.add_argument(
        '--dest-auto-create',
        action="store_true",
        dest='dest_auto_create',
        help='create destination if it does not exist. default is false')
    parser_send.add_argument('--retries',
                             action="store",
                             type=int,
                             dest='retries',
                             default=0,
                             help='number of retries on error. default is 0')
    parser_send.add_argument(
        '--retry-interval',
        action="store",
        type=int,
        dest='retry_interval',
        default=10,
        help='interval in seconds between retries. default is 10')
    parser_send.add_argument(
        '--max-depth',
        action="store",
        type=int,
        dest='max_depth',
        help=
        'define max depth for child recursion (0 no child, default infinite depth)'
    )

    parser_fix = subparsers.add_parser(
        'fix', help='fix zfs snapshot from other format to pyznap')
    parser_fix.add_argument('-t',
                            '--type',
                            action="store",
                            dest='type',
                            help='snapshot type name')
    parser_fix.add_argument(
        '-f',
        '--format',
        action="store",
        required=True,
        dest='format',
        help=
        'snapshot format specification (regexp/@predefined[@zfs-auto-snap,@zfsnap])'
    )
    parser_fix.add_argument('-m',
                            '--map',
                            action="store",
                            dest='map',
                            help='optional type mapping (old=new:...)')
    parser_fix.add_argument('-r',
                            '--recurse',
                            action="store_true",
                            dest='recurse',
                            help='recurse in child filesystems')
    # TODO: time shift
    parser_fix.add_argument('filesystem', nargs='+', help='filesystems to fix')

    subparsers.add_parser('full',
                          help='full cycle: snap --take / send / snap --clean')

    parser_status = subparsers.add_parser(
        'status', help='check filesystem snapshots status')
    parser_status.add_argument('--format',
                               action="store",
                               default='log',
                               choices=['log', 'jsonl', 'html'],
                               dest='status_format',
                               help='status output format')
    parser_status.add_argument('--all',
                               action="store_true",
                               dest='status_all',
                               help='show all ZFS filesystems')
    parser_status.add_argument('--print-config',
                               action="store_true",
                               dest='print_config',
                               help='only print parsed and processed config')
    parser_status.add_argument('--values',
                               action="store",
                               dest='values',
                               help='coma separated values to print')
    parser_status.add_argument('--filter',
                               action="append",
                               dest='filter_values',
                               help='add filter for col=value')
    parser_status.add_argument('--exclude',
                               action="append",
                               dest='filter_exclude',
                               help='exclude name filesystems (fnmatch)')

    if len(sys.argv) == 1:
        parser.print_help(sys.stderr)
        sys.exit(1)
    args = parser.parse_args()

    if args.version:
        print(__version__)
        sys.exit()

    if not args.command:
        print('ERROR: No command specified.\n')
        parser.print_help(sys.stderr)
        sys.exit(1)

    e = ErrorHandler()

    loglevel = logging.INFO
    if args.quiet:
        loglevel = logging.WARNING
    if args.verbose:
        loglevel = logging.DEBUG
    if args.command == 'status' and args.status_format != 'log':
        # for raw status only error show
        loglevel = logging.ERROR
    if args.trace:
        # trace override all
        logging.addLevelName(8, 'TRACE')
        loglevel = 8

    basicloglevel = min(loglevel, logging.INFO) if args.syslog else loglevel
    # logging.basicConfig(level=basicloglevel)
    root_logger = logging.getLogger()
    root_logger.setLevel(basicloglevel)

    config_path = args.config if args.config else os.path.join(
        CONFIG_DIR, 'pyznap.conf')
    logadd = ' #' + config_path if args.logconfig else ''

    console_fmt = logging.Formatter('%(asctime)s %(levelname)s: %(message)s' +
                                    logadd,
                                    datefmt='%b %d %H:%M:%S')
    if loglevel < logging.WARNING:
        console_handler = logging.StreamHandler(sys.stdout)
        console_handler.setFormatter(console_fmt)
        console_handler.addFilter(
            lambda record: record.levelno < 30
        )  # logging.WARNING make exception in destroy
        console_handler.setLevel(loglevel)
        root_logger.addHandler(console_handler)
    console_err_handler = logging.StreamHandler(sys.stderr)
    console_err_handler.setFormatter(console_fmt)
    console_err_handler.setLevel(logging.WARNING)
    root_logger.addHandler(console_err_handler)

    if args.syslog:
        # setup logging to syslog
        syslog_handler = logging.handlers.SysLogHandler(
            address='/dev/log',
            facility=logging.handlers.SysLogHandler.LOG_DAEMON)
        syslog_handler.setFormatter(
            logging.Formatter('pyznap: [%(levelname)s] %(message)s' + logadd))
        # syslog always level INFO
        syslog_handler.setLevel(logging.INFO)
        root_logger.addHandler(syslog_handler)

    logger = logging.getLogger(__name__)

    if args.dry_run:
        set_dry_run()

    if args.matching:
        settings['matching'] = args.matching

    if args.pidfile is not None:
        if not check_pid(args.pidfile):
            logger.info('pidfile {} exists, exiting'.format(args.pidfile))
            sys.exit(1)
        open(args.pidfile, "w").write("{}\n".format(os.getpid()))
    try:
        logger.info('Starting pyznap...')

        if args.command in ('snap', 'send', 'full', 'status'):
            logger.info('Read config={}'.format(config_path))
            config = read_config(config_path)
            if config == None:
                return 1

        if args.command == 'setup':
            path = args.path if args.path else CONFIG_DIR
            create_config(path)

        elif args.command == 'full':
            take_config(config, settings)
            send_config(config, settings)
            clean_config(config, settings)

        elif args.command == 'snap':
            # Default if no args are given
            if not args.take and not args.clean:
                args.full = True

            if args.take or args.full:
                take_config(config, settings)

            if args.clean or args.full:
                clean_config(config, settings)

        elif args.command == 'send':
            if args.source and args.dest:
                # use args.key if either source or dest is remote
                source_key, dest_key = None, None
                if args.dest.startswith('ssh'):
                    dest_key = [args.key] if args.key else None
                elif args.source.startswith('ssh'):
                    source_key = args.key if args.key else None
                # if source_key and dest_key are given, overwrite previous value
                source_key = args.source_key if args.source_key else source_key
                dest_key = [args.dest_key] if args.dest_key else dest_key
                # get exclude rules
                exclude = [args.exclude] if args.exclude else None
                # check if raw send was requested
                raw = [args.raw] if args.raw else None
                # compress ssh zfs send/receive
                compress = [args.compress] if args.compress else None
                # use receive resume token
                resume = [args.resume] if args.resume else None
                # retry zfs send/receive
                retries = [args.retries] if args.retries else None
                # wait interval for retry
                retry_interval = [args.retry_interval
                                  ] if args.retry_interval else None
                # automatically create dest dataset if it does not exist
                dest_auto_create = [args.dest_auto_create
                                    ] if args.dest_auto_create else None
                # start send from last snapshot
                send_last_snapshot = [args.send_last_snapshot
                                      ] if args.send_last_snapshot else None

                send_config([{
                    'name': args.source,
                    'dest': [args.dest],
                    'key': source_key,
                    'dest_keys': dest_key,
                    'compress': compress,
                    'exclude': exclude,
                    'raw_send': raw,
                    'resume': resume,
                    'dest_auto_create': dest_auto_create,
                    'retries': retries,
                    'retry_interval': retry_interval,
                    'max_depth': args.max_depth,
                    'send_last_snapshot': send_last_snapshot
                }])

            elif args.source and not args.dest:
                logger.error('Missing dest...')
            elif args.dest and not args.source:
                logger.error('Missing source...')
            else:
                send_config(config, settings)

        elif args.command == 'fix':
            tmap = args.map
            if tmap:
                tmap = dict(kw.split('=') for kw in args.map.split(':'))
            fix_snapshots(args.filesystem,
                          format=args.format,
                          type=args.type,
                          recurse=args.recurse,
                          type_map=tmap)

        elif args.command == 'status':
            if args.print_config:
                print(str(config))
            else:
                filter_values = None
                if args.filter_values:
                    filter_values = {}
                    for fv in args.filter_values:
                        f, v = fv.split('=')
                        v = {'true': True, 'false': False}.get(v.lower(), v)
                        filter_values[f] = v
                status_config(config,
                              output=args.status_format,
                              show_all=args.status_all,
                              values=tuple(args.values.split(','))
                              if args.values else None,
                              filter_values=filter_values,
                              filter_exclude=args.filter_exclude,
                              settings=settings)

        zfs.STATS.log()
        logger.info('Finished successfully...')
    finally:
        if args.pidfile is not None:
            os.unlink(args.pidfile)
    return 1 if e.fired else 0
Example #14
0
 def __init__(self):
     self.error_handle = ErrorHandler()
     self.cache_handle = Cache
Example #15
0
class Plugin:
	is_active = False
	url_for = url_for
	error_handle = ErrorHandler()
	template = Environment(loader=FileSystemLoader(current_app.config["PLUGINS_PATH"]))
	admin_role = "admin"
	available_roles = ["anon", "viewer", "buyer", "subscriber", "provider", admin_role]
	required_roles = [] # set in each module

	def __init__(self):
		self.required_roles = [] # set in each module

	def activate(self):
		"""Activate this plugin"""
		if self.is_active==False:
			self.is_active = True
			self.main()

	def deactivate(self):
		"""Deactivate this plugin"""
		if self.is_active==True:
			self.is_active = False

	def main(self):
		""" 
			This is the entry point of plugin functions. All plugin 
			activities should be within main function. It'll be called
			right after "activating" the plugin. Also, after "save_settings"
			and "save data".
		"""
		pass

	def reload(self):
		""" 
			This function will by default call the main function.
			It'll be called after saving settings, or inserting new data.
			This is to prevent
		"""
		self.main()


	def save_settings(self, settings, user_specific=True, overwrite=False):
		""" This function saves any settings specific to a plugin """
		try:
			PSM = PluginSettingsModel(plugin_id=self.id)
			if overwrite==False:
				PSM.settings = self.get_settings()
			
			if PSM.settings:
				PSM.settings.update(settings)
			else:
				PSM.settings = settings

			conditions = {"plugin_id": PSM.plugin_id}
			if user_specific:
				conditions.update({"user_id": current_user.get_userid()})

			PSM.update(conditions=conditions, upsert=True, overwrite=overwrite)
			self.reload()
		except Exception as e:
			return self.error_handle.get_error(error=str(e), occurred_at="mad.lib.plugin.save_settings()")

	def get_settings(self, user_specific=True):
		""" This function returns the settings stored by the plugin """
		try:
			PSM = PluginSettingsModel(plugin_id=self.id)
			settings = None
			conditions = {"plugin_id": PSM.plugin_id}
			if user_specific:
				conditions.update({"user_id": current_user.get_userid()})

			result = PSM.get(conditions=conditions, findone=True)

			if result:
				settings = result["settings"]

			return settings
		except Exception as e:
			self.error_handle.get_error(error=str(e), occurred_at="mad.lib.plugin.get_settings()")
			return None

	def save_data(self, data=None, conditions={}, upsert=False, user_specific=True, update=False, allow_duplicate=False, dup_fields=None):
		""" 
			This function is used to save/insert/update data, specific to a plugin 
			data      : data to be saved 
			conditions: conditions, in case data is being updated
			upsert    : if data is to be upserted
		"""
		try:
			if user_specific:
				data.update({"user_id": current_user.get_userid()})

			PDM = PluginDataModel(plugin_id=self.id)
			PDM.data = data
			status = None
			if update:
				status = PDM.update(conditions=conditions, upsert=upsert)
			else:
				dup_fields.update({"plugin_id": PDM.plugin_id})
				status =  PDM.save(allow_duplicate=allow_duplicate, duplicate_fields_check=dup_fields)

			self.reload()
			return status
		except Exception as e:
			return self.error_handle.get_error(error=str(e), occurred_at="mad.lib.plugin.save_data()")


	def get_data(self, conditions=None, sort_by=[("_id", 1)], distinct=False, distinct_fieldname=None, user_specific=True):
		""" This function is used to retrieve data stored by the pliugin based on the condition provided """
		try:
			PDM = PluginDataModel(plugin_id=self.id)
			if not conditions:
				conditions = {}
			conditions.update({"plugin_id": PDM.plugin_id})

			if user_specific:
				conditions.update({"user_id": current_user.get_userid()})

			if distinct==True:
				return PDM.get(conditions=conditions, sort_by=sort_by, distinct=True, distinct_fieldname=distinct_fieldname)
			else:
				return PDM.get(conditions=conditions, sort_by=sort_by)
		except Exception as e:
			return self.error_handle.get_error(error=str(e), occurred_at="mad.lib.plugin.get_data()")


	def plugin_home(self):
		"""This function should return HTML for the plugin's home page"""
		html = (
				'<h2 class="title">Plugin Home</h2>'
			   	'<p>Hello, this is your plugin homepage</p>'
			   )
		return html

	def plugin_settings(self):
		""" This function should return HTML for the plugin's settings page. """
		html = (
				'<h2 class="title">Plugin Settings</h2>'
			   	'<p>Display all your plugin settings here.</p>'
			   )
		return html

	def public_content(self, form=None, params=None):
		""" This function should return HTML for any public facing content the plugin wants to push"""
		return None

	def check_role(self):
		""" 
			Check if the current user has the required role to access this view.
			If the function returns:
			True : User has the required role/permission to access this page.
			False: User does not have required role/permission to access this page.
			Available  roles:
				anon - not logged in user
				viewer - is the default role of a logged in user.
				provider - Ad space provider, who will have access to add their media to the system.
				buyer - Consumer looking for ad spaces, has access to the search module.
				subscriber - A subscribed user
		"""
		if not self.required_roles or not self.available_roles:
			return True
		elif current_user.is_authenticated():
			current_user_role = current_user.get_role()
			if current_user_role in self.available_roles:
				if current_user_role==self.admin_role or current_user_role in self.required_roles:
					return True

		return False

	def render_plugin(self, template_src=None, data=None):
		""" Render html"""
		try:
			if not self.check_role():
				abort(403)

			if not data or not type(data)==dict:
				data = {}
			
			data.update({"current_user": current_user})
			data.update({"url_for": url_for})
			data.update({"plugin_id": self.id})
			args = Struct(**data)

			return self.template.get_template(template_src).render(data=args)
		except Exception as e:
			return self.error_handle.get_error(error=str(e), occurred_at="mad.lib.plugin.render_plugin()")