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
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
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
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
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
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
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
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