--- documentViewer/documentViewer.py 2010/06/16 16:38:17 1.69.2.2 +++ documentViewer/documentViewer.py 2010/06/16 18:27:04 1.69.2.3 @@ -66,23 +66,56 @@ def getParentDir(path): return '/'.join(path.split('/')[0:-1]) -import socket +def getHttpData(url, data=None, num_tries=3, timeout=10): + """returns result from url+data HTTP request""" + # we do GET (by appending data to url) + if isinstance(data, str) or isinstance(data, unicode): + # if data is string then append + url = "%s?%s"%(url,data) + elif isinstance(data, dict) or isinstance(data, list) or isinstance(data, tuple): + # urlencode + url = "%s?%s"%(url,urllib.urlencode(data)) + + response = None + errmsg = None + for cnt in range(num_tries): + try: + logging.debug("getHttpData(#%s %ss) url=%s"%(cnt+1,timeout,url)) + if sys.version_info < (2, 6): + # set timeout on socket -- ugly :-( + import socket + socket.setdefaulttimeout(timeout) + response = urllib2.urlopen(url) + else: + response = urllib2.urlopen(url,timeout=float(timeout)) + # check result? + break + except urllib2.HTTPError, e: + logging.error("getHttpData: HTTP error(%s): %s"%(e.code,e)) + errmsg = str(e) + # stop trying + break + except urllib2.URLError, e: + logging.error("getHttpData: URLLIB error(%s): %s"%(e.reason,e)) + errmsg = str(e) + # stop trying + #break + + if response is not None: + data = response.read() + response.close() + return data + + raise IOError("ERROR fetching HTTP data from %s: %s"%(url,errmsg)) + #return None -def urlopen(url,timeout=2): - """urlopen mit timeout""" - socket.setdefaulttimeout(timeout) - ret=urllib.urlopen(url) - socket.setdefaulttimeout(5) - return ret ## ## documentViewer class ## -class documentViewer(Folder, extraFunction): +class documentViewer(Folder): """document viewer""" - #textViewerUrl="http://127.0.0.1:8080/HFQP/testXSLT/getPage?" - meta_type="Document viewer" security=ClassSecurityInfo() @@ -123,12 +156,12 @@ class documentViewer(Folder, extraFuncti #self['template'] = templateFolder # Zope-2.12 style self._setObject('template',templateFolder) # old style try: - from Products.XMLRpcTools.XMLRpcTools import XMLRpcServerProxy - xmlRpcClient = XMLRpcServerProxy(id='fulltextclient', serverUrl=textServerName, use_xmlrpc=False) + import MpdlXmlTextServer + textServer = MpdlXmlTextServer(id='fulltextclient') #templateFolder['fulltextclient'] = xmlRpcClient - templateFolder._setObject('fulltextclient',xmlRpcClient) + templateFolder._setObject('fulltextclient',textServer) except Exception, e: - logging.error("Unable to create XMLRpcTools for fulltextclient: "+str(e)) + logging.error("Unable to create MpdlXmlTextServer for fulltextclient: "+str(e)) try: from Products.zogiLib.zogiLib import zogiLib zogilib = zogiLib(id="zogilib", title="zogilib for docuviewer", dlServerURL=imageScalerUrl, layout="book") @@ -137,7 +170,41 @@ class documentViewer(Folder, extraFuncti except Exception, e: logging.error("Unable to create zogiLib for zogilib: "+str(e)) + + # proxy text server methods to fulltextclient + def getTextPage(self, **args): + """get page""" + return self.template.fulltextclient.getTextPage(**args) + + def getQuery(self, **args): + """get query""" + return self.template.fulltextclient.getQuery(**args) + + def getSearch(self, **args): + """get search""" + return self.template.fulltextclient.getSearch(**args) + + def getNumPages(self, **args): + """get numpages""" + return self.template.fulltextclient.getNumPages(**args) + + def getTranslate(self, **args): + """get translate""" + return self.template.fulltextclient.getTranslate(**args) + + def getLemma(self, **args): + """get lemma""" + return self.template.fulltextclient.getLemma(**args) + + def getToc(self, **args): + """get toc""" + return self.template.fulltextclient.getToc(**args) + + def getTocPage(self, **args): + """get tocpage""" + return self.template.fulltextclient.getTocPage(**args) + security.declareProtected('View','thumbs_rss') def thumbs_rss(self,mode,url,viewMode="auto",start=None,pn=1): ''' @@ -304,7 +371,6 @@ class documentViewer(Folder, extraFuncti def getDirinfoFromDigilib(self,path,docinfo=None,cut=0): """gibt param von dlInfo aus""" - num_retries = 3 if docinfo is None: docinfo = {} @@ -316,17 +382,11 @@ class documentViewer(Folder, extraFuncti logging.debug("documentViewer (getparamfromdigilib) dirInfo from %s"%(infoUrl)) - for cnt in range(num_retries): - try: - # dom = NonvalidatingReader.parseUri(imageUrl) - txt=urllib.urlopen(infoUrl).read() - dom = Parse(txt) - break - except: - logging.error("documentViewer (getdirinfofromdigilib) error reading %s (try %d)"%(infoUrl,cnt)) - else: + txt = getHttpData(infoUrl) + if txt is None: raise IOError("Unable to get dir-info from %s"%(infoUrl)) - + + dom = Parse(txt) sizes=dom.xpath("//dir/size") logging.debug("documentViewer (getparamfromdigilib) dirInfo:size"%sizes) @@ -342,7 +402,6 @@ class documentViewer(Folder, extraFuncti def getIndexMeta(self, url): """returns dom of index.meta document at url""" - num_retries = 3 dom = None metaUrl = None if url.startswith("http://"): @@ -354,25 +413,17 @@ class documentViewer(Folder, extraFuncti metaUrl=server+url.replace("/mpiwg/online","") if not metaUrl.endswith("index.meta"): metaUrl += "/index.meta" - logging.debug("METAURL: %s"%metaUrl) - for cnt in range(num_retries): - try: - # patch dirk encoding fehler treten dann nicht mehr auf - # dom = NonvalidatingReader.parseUri(metaUrl) - txt=urllib.urlopen(metaUrl).read() - dom = Parse(txt) - break - except: - logging.error("ERROR documentViewer (getIndexMeta) %s (%s)"%sys.exc_info()[0:2]) - if dom is None: + logging.debug("(getIndexMeta): METAURL: %s"%metaUrl) + txt=getHttpData(metaUrl) + if txt is None: raise IOError("Unable to read index meta from %s"%(url)) - + + dom = Parse(txt) return dom def getPresentationInfoXML(self, url): """returns dom of info.xml document at url""" - num_retries = 3 dom = None metaUrl = None if url.startswith("http://"): @@ -383,19 +434,11 @@ class documentViewer(Folder, extraFuncti server=self.digilibBaseUrl+"/servlet/Texter?fn=" metaUrl=server+url.replace("/mpiwg/online","") - for cnt in range(num_retries): - try: - # patch dirk encoding fehler treten dann nicht mehr auf - # dom = NonvalidatingReader.parseUri(metaUrl) - txt=urllib.urlopen(metaUrl).read() - dom = Parse(txt) - break - except: - logging.error("ERROR documentViewer (getPresentationInfoXML) %s (%s)"%sys.exc_info()[0:2]) - - if dom is None: + txt=getHttpData(metaUrl) + if txt is None: raise IOError("Unable to read infoXMLfrom %s"%(url)) - + + dom = Parse(txt) return dom