custom_mapper.py

from routes import Mapper

class CustomMapper(Mapper):
    
    def match(self, url= None, environ= None):
		
        if not url and not environ:
            raise RoutesException('URL or environ must be provided')
        
        if not url:
            url = environ['PATH_INFO']
 
        url, lang = self._get_language(url)
        result = self._match(url, environ)

        if result[0]:
           result[0]['lang'] = lang
        if self.debug:
            return result[0], result[1], result[2]
        if isinstance(result[0], dict) or result[0]:
            return result[0]
        return None

    def routematch(self, url=None, environ=None):
        
        if not url and not environ:
            raise RoutesException('URL or environ must be provided')
        
        if not url:
            url = environ['PATH_INFO']
            
        url, lang = self._get_language(url)
        result = self._match(url, environ)

        if result[0]:
           result[0]['_lang'] = lang
        if self.debug:
            return result[0], result[1], result[2]
        if isinstance(result[0], dict) or result[0]:
            return result[0], result[1]
        return None

    def detect_language(self, url):
        
        
        langs = ['it','en']
        if len(url) > 3 and url[3]=='/' and url[1:3] in langs[1:]:
			
			return url[3:], url[1:3]
        
        return url, langs[0]