__init__.py 文件源码

def selectLanguage( self, path ):
        """
            Tries to select the best language for the current request.
        """
        if translations is None:
            # This project doesn't use the multi-language feature, nothing to do here
            return( path )
        if conf["viur.languageMethod"] == "session":
            # We store the language inside the session, try to load it from there
            if not session.current.getLanguage():
                if "X-Appengine-Country" in self.request.headers.keys():
                    lng = self.request.headers["X-Appengine-Country"].lower()
                    if lng in conf["viur.availableLanguages"]+list( conf["viur.languageAliasMap"].keys() ):
                        session.current.setLanguage( lng )
                        self.language = lng
                    else:
                        session.current.setLanguage( conf["viur.defaultLanguage"] )
            else:
                self.language = session.current.getLanguage()
        elif conf["viur.languageMethod"] == "domain":
            host = self.request.host_url.lower()
            host = host[ host.find("://")+3: ].strip(" /") #strip http(s)://
            if host.startswith("www."):
                host = host[ 4: ]
            if host in conf["viur.domainLanguageMapping"].keys():
                self.language = conf["viur.domainLanguageMapping"][ host ]
            else: # We have no language configured for this domain, try to read it from session
                if session.current.getLanguage():
                    self.language = session.current.getLanguage()
        elif conf["viur.languageMethod"] == "url":
            tmppath = urlparse.urlparse( path ).path
            tmppath = [ urlparse.unquote( x ) for x in tmppath.lower().strip("/").split("/") ]
            if len( tmppath )>0 and tmppath[0] in conf["viur.availableLanguages"]+list( conf["viur.languageAliasMap"].keys() ):
                self.language = tmppath[0]
                return( path[ len( tmppath[0])+1: ] ) #Return the path stripped by its language segment
            else: # This URL doesnt contain an language prefix, try to read it from session
                if session.current.getLanguage():
                    self.language = session.current.getLanguage()
                elif "X-Appengine-Country" in self.request.headers.keys():
                    lng = self.request.headers["X-Appengine-Country"].lower()
                    if lng in conf["viur.availableLanguages"] or lng in conf["viur.languageAliasMap"]:
                        self.language = lng
        return( path )