Esempio n. 1
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 def __init__(self, configpath):
     conf = SafeConfigParser()
     conf.readfp(open(configpath))
     self.conf = conf
     if not conf.has_option_with_value('server', 'module'):
         raise ServerConfigurationError(
             'The factory module is not defined in the configuration file.')
     try:
         mapfactorymodule = __import__(conf.get('server', 'module'))
     except ImportError:
         raise ServerConfigurationError(
             'The factory module could not be loaded.')
     if hasattr(mapfactorymodule, 'WMSFactory'):
         self.mapfactory = getattr(mapfactorymodule, 'WMSFactory')()
     else:
         raise ServerConfigurationError(
             'The factory module does not have a WMSFactory class.')
     if conf.has_option('server', 'debug'):
         self.debug = int(conf.get('server', 'debug'))
     else:
         self.debug = 0
     if self.conf.has_option_with_value('server', 'maxage'):
         self.max_age = 'max-age=%d' % self.conf.get('server', 'maxage')
     else:
         self.max_age = None
Esempio n. 2
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 def __init__(self, configpath, mapfile=None,fonts=None,home_html=None):
     conf = SafeConfigParser()
     conf.readfp(open(configpath))
     # TODO - be able to supply in config as well
     self.home_html = home_html
     self.conf = conf
     if fonts:
         mapnik.register_fonts(fonts)
     if mapfile:
         wms_factory = BaseWMSFactory(configpath)
         # TODO - add support for Cascadenik MML
         wms_factory.loadXML(mapfile)
         wms_factory.finalize()
         self.mapfactory = wms_factory
     else:
         if not conf.has_option_with_value('server', 'module'):
             raise ServerConfigurationError('The factory module is not defined in the configuration file.')
         try:
             mapfactorymodule = do_import(conf.get('server', 'module'))
         except ImportError:
             raise ServerConfigurationError('The factory module could not be loaded.')
         if hasattr(mapfactorymodule, 'WMSFactory'):
             self.mapfactory = getattr(mapfactorymodule, 'WMSFactory')()
         else:
             raise ServerConfigurationError('The factory module does not have a WMSFactory class.')
     if conf.has_option('server', 'debug'):
         self.debug = int(conf.get('server', 'debug'))
     else:
         self.debug = 0
     if self.conf.has_option_with_value('server', 'maxage'):
         self.max_age = 'max-age=%d' % self.conf.get('server', 'maxage')
     else:
         self.max_age = None
Esempio n. 3
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 def __init__(self, configpath, mapfile=None, fonts=None, home_html=None):
     # 实例化 ConfigParser 并加载配置文件
     conf = SafeConfigParser()
     # 从配置文件读取并分析(分列)配置信息
     conf.readfp(open(configpath))
     # TODO - be able to supply in config as well
     self.home_html = home_html
     self.conf = conf
     if fonts:
         # 注册指定字体
         mapnik.register_fonts(fonts)
     if mapfile:
         # 生成BaseWMSFactory实例
         wms_factory = BaseWMSFactory(configpath)
         # TODO - add support for Cascadenik MML
         wms_factory.loadXML(mapfile)
         wms_factory.finalize()
         self.mapfactory = wms_factory
     else:
         # 阅读default.conf,有疑惑???
         #
         # 原default.conf文件中module未定义,需要使用要在default.conf中自行定义
         if not conf.has_option_with_value('server', 'module'):
             raise ServerConfigurationError(
                 'The factory module is not defined in the configuration file.'
             )
         # 导入指定module
         try:
             # get(section,option),Get an option value for the named
             # section.
             mapfactorymodule = do_import(conf.get('server', 'module'))
         except ImportError:
             raise ServerConfigurationError(
                 'The factory module could not be loaded.')
         if hasattr(mapfactorymodule, 'WMSFactory'):
             # Get a named attribute from an object; getattr(x, 'y') is
             # equivalent to x.y.
             self.mapfactory = getattr(mapfactorymodule, 'WMSFactory')()
         else:
             raise ServerConfigurationError(
                 'The factory module does not have a WMSFactory class.')
     if conf.has_option('server', 'debug'):
         self.debug = int(conf.get('server', 'debug'))
     else:
         self.debug = 0
     if self.conf.has_option_with_value('server', 'maxage'):
         self.max_age = 'max-age=%d' % self.conf.get('server', 'maxage')
     else:
         self.max_age = None
Esempio n. 4
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 def __init__(self, home_html=None):
     conf = SafeConfigParser()
     conf.readfp(open(self.configpath))
     # TODO - be able to supply in config as well
     self.home_html = home_html
     self.conf = conf
     if not conf.has_option_with_value('server', 'module'):
         raise ServerConfigurationError('The factory module is not defined in the configuration file.')
     try:
         mapfactorymodule = __import__(conf.get('server', 'module'))
     except ImportError:
         raise ServerConfigurationError('The factory module could not be loaded.')
     if hasattr(mapfactorymodule, 'WMSFactory'):
         self.mapfactory = getattr(mapfactorymodule, 'WMSFactory')()
     else:
         raise ServerConfigurationError('The factory module does not have a WMSFactory class.')
     if conf.has_option('server', 'debug'):
         self.debug = int(conf.get('server', 'debug'))
     else:
         self.debug = 0
Esempio n. 5
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 def __init__(self, configpath):
     conf = SafeConfigParser()
     conf.readfp(open(configpath))
     self.conf = conf
     if not conf.has_option_with_value('server', 'module'):
         raise ServerConfigurationError('The factory module is not defined in the configuration file.')
     try:
         mapfactorymodule = __import__(conf.get('server', 'module'))
     except ImportError:
         raise ServerConfigurationError('The factory module could not be loaded.')
     if hasattr(mapfactorymodule, 'WMSFactory'):
         self.mapfactory = getattr(mapfactorymodule, 'WMSFactory')()
     else:
         raise ServerConfigurationError('The factory module does not have a WMSFactory class.')
     if conf.has_option('server', 'debug'):
         self.debug = int(conf.get('server', 'debug'))
     else:
         self.debug = 0
     if self.conf.has_option_with_value('server', 'maxage'):
         self.max_age = 'max-age=%d' % self.conf.get('server', 'maxage')
     else:
         self.max_age = None
Esempio n. 6
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 def __init__(self, home_html=None):
     conf = SafeConfigParser()
     conf.readfp(open(self.configpath))
     # TODO - be able to supply in config as well
     self.home_html = home_html
     self.conf = conf
     if not conf.has_option_with_value('server', 'module'):
         raise ServerConfigurationError(
             'The factory module is not defined in the configuration file.')
     try:
         mapfactorymodule = __import__(conf.get('server', 'module'))
     except ImportError:
         raise ServerConfigurationError(
             'The factory module could not be loaded.')
     if hasattr(mapfactorymodule, 'WMSFactory'):
         self.mapfactory = getattr(mapfactorymodule, 'WMSFactory')()
     else:
         raise ServerConfigurationError(
             'The factory module does not have a WMSFactory class.')
     if conf.has_option('server', 'debug'):
         self.debug = int(conf.get('server', 'debug'))
     else:
         self.debug = 0
Esempio n. 7
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class WSGIApp:
    def __init__(self):
        self.conf = SafeConfigParser()
        self.conf.add_section('service')
        self.conf.add_section('contact')
        self.conf.set('service', 'allowedepsgcodes', '900913')
        self.conf.set('service', 'maxwidth', '4326')
        self.conf.set('service', 'maxheight', '4326')
        self.mapfactory = WMSFactory()
        self.debug = True
        self.max_age = None
        self.home_html = None
        self.fonts = None

    def __call__(self, environ, start_response):
        reqparams = {}
        base = True
        for key, value in parse_qs(environ['QUERY_STRING'], True).items():
            reqparams[key.lower()] = value[0]
            base = False

        if self.conf.has_option_with_value('service', 'baseurl'):
            onlineresource = '%s' % self.conf.get('service', 'baseurl')
        else:
            # if there is no baseurl in the config file try to guess a valid one
            onlineresource = 'http://%s%s%s?' % (environ['HTTP_HOST'],
                                                 environ['SCRIPT_NAME'],
                                                 environ['PATH_INFO'])

        try:
            if not reqparams.has_key('request'):
                raise OGCException('Missing request parameter.')
            request = reqparams['request']
            del reqparams['request']
            if request == 'GetCapabilities' and not reqparams.has_key(
                    'service'):
                raise OGCException('Missing service parameter.')
            if request in ['GetMap', 'GetFeatureInfo']:
                service = 'WMS'
            else:
                try:
                    service = reqparams['service']
                except:
                    service = 'WMS'
                    request = 'GetCapabilities'
            if reqparams.has_key('service'):
                del reqparams['service']
            try:
                ogcserver = do_import('ogcserver')
            except:
                raise OGCException('Unsupported service "%s".' % service)
            ServiceHandlerFactory = getattr(ogcserver,
                                            service).ServiceHandlerFactory
            servicehandler = ServiceHandlerFactory(
                self.conf, self.mapfactory, onlineresource,
                reqparams.get('version', None))
            if reqparams.has_key('version'):
                del reqparams['version']
            if request not in servicehandler.SERVICE_PARAMS.keys():
                raise OGCException('Operation "%s" not supported.' % request,
                                   'OperationNotSupported')
            ogcparams = servicehandler.processParameters(request, reqparams)
            try:
                requesthandler = getattr(servicehandler, request)
            except:
                raise OGCException('Operation "%s" not supported.' % request,
                                   'OperationNotSupported')

            # stick the user agent in the request params
            # so that we can add ugly hacks for specific buggy clients
            ogcparams['HTTP_USER_AGENT'] = environ.get('HTTP_USER_AGENT', '')

            response = requesthandler(ogcparams)
        except:
            version = reqparams.get('version', None)
            if not version:
                version = Version()
            else:
                version = Version(version)
            if version >= '1.3.0':
                eh = ExceptionHandler130(self.debug, base, self.home_html)
            else:
                eh = ExceptionHandler111(self.debug, base, self.home_html)
            response = eh.getresponse(reqparams)
        response_headers = [('Content-Type', response.content_type),
                            ('Content-Length', str(len(response.content)))]
        if self.max_age:
            response_headers.append(('Cache-Control', self.max_age))
        start_response('200 OK', response_headers)
        yield response.content
Esempio n. 8
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class WSGIApp:
    def __init__(self):
        self.conf = SafeConfigParser()
        self.conf.add_section('service')
        self.conf.add_section('contact')
        self.conf.set('service','allowedepsgcodes', '900913')
        self.conf.set('service','maxwidth', '4326')
        self.conf.set('service','maxheight', '4326')
        self.mapfactory = WMSFactory()
        self.debug = True
        self.max_age = None
        self.home_html = None
        self.fonts = None

    def __call__(self, environ, start_response):
        reqparams = {}
        base = True
        for key, value in parse_qs(environ['QUERY_STRING'], True).items():
            reqparams[key.lower()] = value[0]
            base = False

        if self.conf.has_option_with_value('service', 'baseurl'):
            onlineresource = '%s' % self.conf.get('service', 'baseurl')
        else:
            # if there is no baseurl in the config file try to guess a valid one
            onlineresource = 'http://%s%s%s?' % (environ['HTTP_HOST'], environ['SCRIPT_NAME'], environ['PATH_INFO'])

        try:
            if not reqparams.has_key('request'):
                raise OGCException('Missing request parameter.')
            request = reqparams['request']
            del reqparams['request']
            if request == 'GetCapabilities' and not reqparams.has_key('service'):
                raise OGCException('Missing service parameter.')
            if request in ['GetMap', 'GetFeatureInfo']:
                service = 'WMS'
            else:
                try:
                    service = reqparams['service']
                except:
                    service = 'WMS'
                    request = 'GetCapabilities'
            if reqparams.has_key('service'):
                del reqparams['service']
            try:
                ogcserver = do_import('ogcserver')
            except:
                raise OGCException('Unsupported service "%s".' % service)
            ServiceHandlerFactory = getattr(ogcserver, service).ServiceHandlerFactory
            servicehandler = ServiceHandlerFactory(self.conf, self.mapfactory, onlineresource, reqparams.get('version', None))
            if reqparams.has_key('version'):
                del reqparams['version']
            if request not in servicehandler.SERVICE_PARAMS.keys():
                raise OGCException('Operation "%s" not supported.' % request, 'OperationNotSupported')
            ogcparams = servicehandler.processParameters(request, reqparams)
            try:
                requesthandler = getattr(servicehandler, request)
            except:
                raise OGCException('Operation "%s" not supported.' % request, 'OperationNotSupported')

            # stick the user agent in the request params
            # so that we can add ugly hacks for specific buggy clients
            ogcparams['HTTP_USER_AGENT'] = environ.get('HTTP_USER_AGENT', '')

            response = requesthandler(ogcparams)
        except:
            version = reqparams.get('version', None)
            if not version:
                version = Version()
            else:
                version = Version(version)
            if version >= '1.3.0':
                eh = ExceptionHandler130(self.debug,base,self.home_html)
            else:
                eh = ExceptionHandler111(self.debug,base,self.home_html)
            response = eh.getresponse(reqparams)
        response_headers = [('Content-Type', response.content_type),('Content-Length', str(len(response.content)))]
        if self.max_age:
            response_headers.append(('Cache-Control', self.max_age))
        start_response('200 OK', response_headers)
        yield response.content