--- zogiLib/zogiLib.py 2004/03/25 18:07:37 1.1 +++ zogiLib/zogiLib.py 2004/04/01 10:54:17 1.6 @@ -1,7 +1,8 @@ from Products.PageTemplates.PageTemplateFile import PageTemplateFile from Products.PageTemplates.PageTemplate import PageTemplate from Products.PageTemplates.ZopePageTemplate import ZopePageTemplate - +from OFS.Image import Image +from webdav.common import rfc1123_date import xml.dom.minidom from OFS.Folder import Folder @@ -56,7 +57,7 @@ class zogiLib_navTemplate(ZopePageTempla def manage_addZogiLib_NavTemplateForm(self): """Form for adding""" - pt=PageTemplateFile('Products/ECHO_content/zpt/AddZogilib_NavTemplate.zpt').__of__(self) + pt=PageTemplateFile('Products/zogiLib/zpt/AddZogilib_NavTemplate.zpt').__of__(self) return pt() @@ -97,45 +98,450 @@ def manage_addZogiLib_NavTemplate(self, REQUEST.RESPONSE.redirect(u+'/manage_main') return '' + + def readNavTemp(fileName): """navtemp""" - print "HI reading",fileName + if os.path.exists(fileName+"/index.meta"): dom=xml.dom.minidom.parse(fileName+"/index.meta") else: return None - print "dom",dom + try: navTag=getText(dom.getElementsByTagName('zogilibtemplate')[0].childNodes) except: navTag=None return navTag + +class zogiLib_mainTemplate(ZopePageTemplate): + """pageTemplate Objekt""" + meta_type="zogiLib_mainTemplate" + + + def __init__(self, id, text=None, content_type=None, version="book"): + + default_content_string="zpt/zogiLibMain_%s.zpt"%version + self._default_content_fn = os.path.join(package_home(globals()),default_content_string) + self.id = str(id) + self.ZBindings_edit(self._default_bindings) + if text is None: + text = open(self._default_content_fn).read() + self.pt_edit(text, content_type) + + +def manage_addZogiLibMainTemplateForm(self): + """Form for adding""" + pt=PageTemplateFile('Products/ECHO_content/zpt/AddOSAS_thumbTemplate.zpt').__of__(self) + return pt() + + + + +def manage_addZogiLibMainTemplate(self, id,title=None, text=None, + REQUEST=None, submit=None): + "Add a Page Template with optional file content." + + + id = str(id) + if REQUEST is None: + self._setObject(id, zogiLib_mainTemplate(id, text)) + ob = getattr(self, id) + + if title: + ob.pt_setTitle(title) + return ob + else: + file = REQUEST.form.get('file') + headers = getattr(file, 'headers', None) + if headers is None or not file.filename: + zpt = zogiLib_mainTemplate(id) + else: + zpt = zogiLib_mainTemplate(id, file, headers.get('content_type')) + + self._setObject(id, zpt) + ob = getattr(self, id) + + + try: + u = self.DestinationURL() + except AttributeError: + u = REQUEST['URL1'] + + if submit == " Add and Edit ": + u = "%s/%s" % (u, quote(id)) + REQUEST.RESPONSE.redirect(u+'/manage_main') + return '' + + +class zogiImage(Image): + """einzelnes Image""" + meta_type="zogiImage" + + + + def __init__(self,id,title,baseUrl,queryString,content_type='',precondition=''): + """init""" + self.id=id + self.title=title + self.baseUrl=baseUrl + self.queryString=queryString + self.content_type=content_type + self.precondition=precondition + + def getData(self): + """getUrlData""" + return urllib.urlopen(self.baseUrl+self.queryString) + + def changeZogiImageForm(self): + """Main configuration""" + pt=PageTemplateFile('Products/zogiLib/zpt/changeZogiImageForm.zpt').__of__(self) + return pt() + def changeZogiImage(self,title,baseUrl, queryString,RESPONSE=None): + """change it""" + self.title=title + self.baseUrl=baseUrl + self.queryString=queryString + + if RESPONSE is not None: + RESPONSE.redirect('manage_main') + + + manage_options=ZopePageTemplate.manage_options+( + {'label':'Main config','action':'changeZogiImageForm'}, + ) + + + + + def index_html(self, REQUEST, RESPONSE): + """ + Modified version of OFS/Image.py + The default view of the contents of a File or Image. + + Returns the contents of the file or image. Also, sets the + Content-Type HTTP header to the objects content type. + """ + + # HTTP If-Modified-Since header handling. + header=REQUEST.get_header('If-Modified-Since', None) + if header is not None: + header=header.split( ';')[0] + # Some proxies seem to send invalid date strings for this + # header. If the date string is not valid, we ignore it + # rather than raise an error to be generally consistent + # with common servers such as Apache (which can usually + # understand the screwy date string as a lucky side effect + # of the way they parse it). + # This happens to be what RFC2616 tells us to do in the face of an + # invalid date. + try: mod_since=long(DateTime(header).timeTime()) + except: mod_since=None + if mod_since is not None: + if self._p_mtime: + last_mod = long(self._p_mtime) + else: + last_mod = long(0) + if last_mod > 0 and last_mod <= mod_since: + # Set header values since apache caching will return Content-Length + # of 0 in response if size is not set here + RESPONSE.setHeader('Last-Modified', rfc1123_date(self._p_mtime)) + RESPONSE.setHeader('Content-Type', self.content_type) + RESPONSE.setHeader('Content-Length', self.size) + RESPONSE.setHeader('Accept-Ranges', 'bytes') + self.ZCacheable_set(None) + RESPONSE.setStatus(304) + return '' + + if self.precondition and hasattr(self,self.precondition): + # Grab whatever precondition was defined and then + # execute it. The precondition will raise an exception + # if something violates its terms. + c=getattr(self,self.precondition) + if hasattr(c,'isDocTemp') and c.isDocTemp: + c(REQUEST['PARENTS'][1],REQUEST) + else: + c() + + # HTTP Range header handling + range = REQUEST.get_header('Range', None) + request_range = REQUEST.get_header('Request-Range', None) + if request_range is not None: + # Netscape 2 through 4 and MSIE 3 implement a draft version + # Later on, we need to serve a different mime-type as well. + range = request_range + if_range = REQUEST.get_header('If-Range', None) + if range is not None: + ranges = HTTPRangeSupport.parseRange(range) + + if if_range is not None: + # Only send ranges if the data isn't modified, otherwise send + # the whole object. Support both ETags and Last-Modified dates! + if len(if_range) > 1 and if_range[:2] == 'ts': + # ETag: + if if_range != self.http__etag(): + # Modified, so send a normal response. We delete + # the ranges, which causes us to skip to the 200 + # response. + ranges = None + else: + # Date + date = if_range.split( ';')[0] + try: mod_since=long(DateTime(date).timeTime()) + except: mod_since=None + if mod_since is not None: + if self._p_mtime: + last_mod = long(self._p_mtime) + else: + last_mod = long(0) + if last_mod > mod_since: + # Modified, so send a normal response. We delete + # the ranges, which causes us to skip to the 200 + # response. + ranges = None + + if ranges: + # Search for satisfiable ranges. + satisfiable = 0 + for start, end in ranges: + if start < self.size: + satisfiable = 1 + break + + if not satisfiable: + RESPONSE.setHeader('Content-Range', + 'bytes */%d' % self.size) + RESPONSE.setHeader('Accept-Ranges', 'bytes') + RESPONSE.setHeader('Last-Modified', + rfc1123_date(self._p_mtime)) + RESPONSE.setHeader('Content-Type', self.content_type) + RESPONSE.setHeader('Content-Length', self.size) + RESPONSE.setStatus(416) + return '' + + ranges = HTTPRangeSupport.expandRanges(ranges, self.size) + + if len(ranges) == 1: + # Easy case, set extra header and return partial set. + start, end = ranges[0] + size = end - start + + RESPONSE.setHeader('Last-Modified', + rfc1123_date(self._p_mtime)) + RESPONSE.setHeader('Content-Type', self.content_type) + RESPONSE.setHeader('Content-Length', size) + RESPONSE.setHeader('Accept-Ranges', 'bytes') + RESPONSE.setHeader('Content-Range', + 'bytes %d-%d/%d' % (start, end - 1, self.size)) + RESPONSE.setStatus(206) # Partial content + + data = urllib.urlopen(self.baseUrl+self.queryString).read() + if type(data) is StringType: + return data[start:end] + + # Linked Pdata objects. Urgh. + pos = 0 + while data is not None: + l = len(data.data) + pos = pos + l + if pos > start: + # We are within the range + lstart = l - (pos - start) + + if lstart < 0: lstart = 0 + + # find the endpoint + if end <= pos: + lend = l - (pos - end) + + # Send and end transmission + RESPONSE.write(data[lstart:lend]) + break + + # Not yet at the end, transmit what we have. + RESPONSE.write(data[lstart:]) + + data = data.next + + return '' + + else: + boundary = choose_boundary() + + # Calculate the content length + size = (8 + len(boundary) + # End marker length + len(ranges) * ( # Constant lenght per set + 49 + len(boundary) + len(self.content_type) + + len('%d' % self.size))) + for start, end in ranges: + # Variable length per set + size = (size + len('%d%d' % (start, end - 1)) + + end - start) + + + # Some clients implement an earlier draft of the spec, they + # will only accept x-byteranges. + draftprefix = (request_range is not None) and 'x-' or '' + + RESPONSE.setHeader('Content-Length', size) + RESPONSE.setHeader('Accept-Ranges', 'bytes') + RESPONSE.setHeader('Last-Modified', + rfc1123_date(self._p_mtime)) + RESPONSE.setHeader('Content-Type', + 'multipart/%sbyteranges; boundary=%s' % ( + draftprefix, boundary)) + RESPONSE.setStatus(206) # Partial content + + data = urllib.urlopen(self.baseUrl+self.queryString).read() + # The Pdata map allows us to jump into the Pdata chain + # arbitrarily during out-of-order range searching. + pdata_map = {} + pdata_map[0] = data + + for start, end in ranges: + RESPONSE.write('\r\n--%s\r\n' % boundary) + RESPONSE.write('Content-Type: %s\r\n' % + self.content_type) + RESPONSE.write( + 'Content-Range: bytes %d-%d/%d\r\n\r\n' % ( + start, end - 1, self.size)) + + if type(data) is StringType: + RESPONSE.write(data[start:end]) + + else: + # Yippee. Linked Pdata objects. The following + # calculations allow us to fast-forward through the + # Pdata chain without a lot of dereferencing if we + # did the work already. + first_size = len(pdata_map[0].data) + if start < first_size: + closest_pos = 0 + else: + closest_pos = ( + ((start - first_size) >> 16 << 16) + + first_size) + pos = min(closest_pos, max(pdata_map.keys())) + data = pdata_map[pos] + + while data is not None: + l = len(data.data) + pos = pos + l + if pos > start: + # We are within the range + lstart = l - (pos - start) + + if lstart < 0: lstart = 0 + + # find the endpoint + if end <= pos: + lend = l - (pos - end) + + # Send and loop to next range + RESPONSE.write(data[lstart:lend]) + break + + # Not yet at the end, transmit what we have. + RESPONSE.write(data[lstart:]) + + data = data.next + # Store a reference to a Pdata chain link so we + # don't have to deref during this request again. + pdata_map[pos] = data + + # Do not keep the link references around. + del pdata_map + + RESPONSE.write('\r\n--%s--\r\n' % boundary) + return '' + + RESPONSE.setHeader('Last-Modified', rfc1123_date(self._p_mtime)) + RESPONSE.setHeader('Content-Type', self.content_type) + RESPONSE.setHeader('Content-Length', self.size) + RESPONSE.setHeader('Accept-Ranges', 'bytes') + + # Don't cache the data itself, but provide an opportunity + # for a cache manager to set response headers. + self.ZCacheable_set(None) + + data=urllib.urlopen(self.baseUrl+self.queryString).read() + + if type(data) is type(''): + RESPONSE.setBase(None) + return data + + while data is not None: + RESPONSE.write(data.data) + data=data.next + + return '' + + +def manage_addZogiImageForm(self): + """Form for adding""" + pt=PageTemplateFile('Products/zogiLib/zpt/addZogiImage.zpt').__of__(self) + return pt() + + +def manage_addZogiImage(self,id,title,baseUrl, queryString,RESPONSE=None): + """add dgilib""" + newObj=zogiImage(id,title,baseUrl, queryString) + self.Destination()._setObject(id,newObj) + if RESPONSE is not None: + RESPONSE.redirect('manage_main') + + + class zogiLib(Folder): """StandardElement""" meta_type="zogiLib" + def getDlInfo(self): + """DLInfo""" + paramH={} + baseUrl=re.sub("servlet/Scaler","/dlInfo-xml.jsp",self.digilibBaseUrl) + + url=urllib.urlopen(baseUrl+self.REQUEST['QUERY_STRING']) + dom=xml.dom.minidom.parse(url) + params=dom.getElementsByTagName('parameter') + for param in params: + paramH[param.getAttribute('name')]=param.getAttribute('value') + return paramH + + def getPageNumTotal(self): + """pagenums""" + return self.getDlInfo()['pt'] + + def generateImageFolder(self): """images ablegen""" self.manage_addFolder('images') - for image in os.listdir("../lib/python/Products/zogiLib/images"): - fn=file("../lib/python/Products/zogiLib/images/"+image) - print fn - self.images.manage_addImage(image,fn) + pathName=os.path.join(package_home(globals()),'images') + for image in os.listdir(pathName): + try: + + fn=file(os.path.join(pathName,image)) + self.images.manage_addImage(image,fn) + except: + print "ZOGILIB not importet:",image + + - def __init__(self, id,title,zogilibBaseUrl, localFileBase): + def __init__(self, id,title,digilibBaseUrl, localFileBase,version="book"): """init""" self.id=id self.title=title - self.zogilibBaseUrl=zogilibBaseUrl + self.digilibBaseUrl=digilibBaseUrl self.localFileBase=localFileBase - self._setObject('topTemplate',zogiLib_navTemplate(id='topTemplate')) + #self._setObject('topTemplate',zogiLib_navTemplate(id='topTemplate')) + self._setObject('mainTemplate',zogiLib_mainTemplate(id='mainTemplate',version=version)) self.generateImageFolder() @@ -143,10 +549,24 @@ class zogiLib(Folder): {'label':'Main Config','action':'changeZogiLibForm'}, ) + def option_js(self): + """option_js""" + ret="""function setParam(e) { + if (document.all) s=e.srcElement; + else s=e.target; + + if (window.opener) window.opener.location="%s/setParam?"+s.name+'='+s.value; + else document.location="%s/setParam?"+s.name+'='+s.value; + location + }"""%(self.REQUEST['URL1'],self.REQUEST['URL1']) + return ret + + def navigation_js(self): """Javascript""" - - return file("../lib/python/Products/zogiLib/js/navigation.js").read() + fileName=os.path.join(package_home(globals()),'js/navigation.js') + return file(fileName).read() + def generateTopJavaScript(self): @@ -207,6 +627,7 @@ class zogiLib(Folder): wheight = document.body.clientHeight; } + document.id="digilib" """ return ret @@ -219,7 +640,7 @@ class zogiLib(Folder): def generateScalerImg(self,requestString): """generate Scaler Tag""" - retStr=self.zogilibBaseUrl+requestString + retStr=self.digilibBaseUrl+requestString jS=""""""%retStr return jS @@ -229,10 +650,10 @@ class zogiLib(Folder): pt=PageTemplateFile('Products/zogiLib/zpt/changeZogiLibForm.zpt').__of__(self) return pt() - def changeZogiLib(self,title,zogilibBaseUrl, localFileBase,RESPONSE=None): + def changeZogiLib(self,title,digilibBaseUrl, localFileBase,RESPONSE=None): """change it""" self.title=title - self.zogilibBaseUrl=zogilibBaseUrl + self.digilibBaseUrl=digilibBaseUrl self.localFileBase=localFileBase if RESPONSE is not None: @@ -257,8 +678,9 @@ class zogiLib(Folder): """main action""" - pt=PageTemplateFile('Products/zogiLib/zpt/zogiLibMain.zpt').__of__(self) - return pt() + #pt=PageTemplateFile('Products/zogiLib/zpt/zogiLibMain_image.zpt').__of__(self) + #return pt() + return self.mainTemplate() def storeQuery(self): """storeQuery in session""" @@ -266,10 +688,59 @@ class zogiLib(Folder): for fm in self.REQUEST.form.keys(): self.REQUEST.SESSION['query'][fm]=self.REQUEST.form[fm] - def setParam(self,pn=None,ws=None,rot=None): - """gotopage""" + self.REQUEST.SESSION['dlInfo']=self.getDlInfo() + + def getParam(self,param): + """Gebe Parameter aus""" + try: + return self.REQUEST.SESSION['query'][param] + except: + return None + + def getPageNum(self): + """PAgenum""" + pn=self.getParam('pn') + if pn: + return pn + else: + return 1 + + def biggerWS(self): + """ws+1""" + ws=self.getParam('ws') + if ws: + return int(ws)+1 + else: + return 2 + + def options(self): + """showoptions""" + pt=PageTemplateFile('Products/zogiLib/zpt/optionwindow.zpt').__of__(self) + return pt() + + + def smallerWS(self): + """ws-11""" + ws=self.getParam('ws') + if ws: + if int(ws)==1: + return + else: + return int(ws)-1 + else: + return 1 + + + def setParam(self,pn=None,ws=None,rot=None,brgt=None,cont=None): + """setze Parameter""" ret="" + if brgt: + self.REQUEST.SESSION['query']['brgt']=brgt + + if cont: + self.REQUEST.SESSION['query']['cont']=cont + if pn: self.REQUEST.SESSION['query']['pn']=pn @@ -285,6 +756,7 @@ class zogiLib(Folder): self.REQUEST.RESPONSE.redirect(self.REQUEST['URL1']+'?'+ret) + def mirrorPage(self,mi): """mirror""" ret="" @@ -321,7 +793,7 @@ class zogiLib(Folder): def decode(self,strR): """decode &""" - print re.sub('\&','\&',strR) + return re.sub('\&','\&',strR) def wholePage(self): @@ -348,14 +820,21 @@ class zogiLib(Folder): self.REQUEST.form['pn']=pn - print "hi",self.REQUEST.form.keys() + for param in self.REQUEST.form.keys(): - print param + ret+=param+"="+str(self.REQUEST.form[param])+"&" self.REQUEST.RESPONSE.redirect(self.REQUEST['URL1']+'?'+ret) + def firstPage(self): + """erste Seite""" + return self.setParam(pn="1") + def lastPage(self): + """letzte Seite""" + + def nextPage(self,pn=None): """next page""" ret="" @@ -366,9 +845,8 @@ class zogiLib(Folder): pn=str(2) self.REQUEST.form['pn']=pn - print "hi",self.REQUEST.form.keys() + for param in self.REQUEST.form.keys(): - print param ret+=param+"="+str(self.REQUEST.form[param])+"&" self.REQUEST.RESPONSE.redirect(self.REQUEST['URL1']+'?'+ret) @@ -379,9 +857,9 @@ def manage_addZogiLibForm(self): pt=PageTemplateFile('Products/zogiLib/zpt/addZogiLibForm').__of__(self) return pt() -def manage_addZogiLib(self,id,title,zogilibBaseUrl, localFileBase,RESPONSE=None): +def manage_addZogiLib(self,id,title,digilibBaseUrl, localFileBase,version="book",RESPONSE=None): """add dgilib""" - newObj=zogiLib(id,title,zogilibBaseUrl, localFileBase) + newObj=zogiLib(id,title,digilibBaseUrl, localFileBase, version) self.Destination()._setObject(id,newObj) if RESPONSE is not None: RESPONSE.redirect('manage_main')