--- zogiLib/zogiLib.py 2004/06/22 17:09:13 1.29 +++ zogiLib/zogiLib.py 2005/11/08 10:13:30 1.59 @@ -1,41 +1,49 @@ - -from Products.PageTemplates.PageTemplateFile import PageTemplateFile +from AccessControl import ClassSecurityInfo +from Globals import package_home +from OFS.Folder import Folder +from OFS.Image import Image +from OFS.Image import File +from OFS.SimpleItem import SimpleItem from Products.PageTemplates.PageTemplate import PageTemplate +from Products.PageTemplates.PageTemplateFile import PageTemplateFile 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 -from xml_helpers import getText +from types import * +from Globals import package_home, ImageFile +from xml_helpers import getUniqueElementText,getText +import cgi import os +import random import re import string import urllib -import types -from Globals import package_home +import xml.dom.minidom + +ZOGIVERSION = "0.10.1a ROC 3.11.2005" + +def cropf(f): + """returns a float with reduced precision""" + return float(int(f * 10000)/10000.0) -ZOGIVERSION = "0.9.4 ROC:22.6.2004" def sendFile(self, filename, type): - """sends an object or a local file (in the product) as response""" + """sends an object or a local file (from the product) as response""" paths = filename.split('/') object = self # look for an object called filename for path in paths: if hasattr(object, path): - object = getattr(object, path) - else: - object = None - break + object = getattr(object, path) + else: + object = None + break if object: - # if the object exists then send it - return object.index_html(self.REQUEST.REQUEST, self.REQUEST.RESPONSE) + # if the object exists then send it + return object.index_html(self.REQUEST.REQUEST, self.REQUEST.RESPONSE) else: - # send a local file with the given content-type - fn = os.path.join(package_home(globals()), filename) - self.REQUEST.RESPONSE.setHeader("Content-Type", type) - self.REQUEST.RESPONSE.write(file(fn).read()) + # send a local file with the given content-type + fn = os.path.join(package_home(globals()), filename) + self.REQUEST.RESPONSE.setHeader("Content-Type", type) + self.REQUEST.RESPONSE.write(file(fn).read()) return def browserCheck(self): @@ -43,12 +51,20 @@ def browserCheck(self): bt = {} ua = self.REQUEST.get_header("HTTP_USER_AGENT") bt['ua'] = ua - bt['isIE'] = string.find(ua, 'MSIE') > -1 - bt['isN4'] = (string.find(ua, 'Mozilla/4.') > -1) and not bt['isIE'] - nav = ua[string.find(ua, '('):] - ie = string.split(nav, "; ")[1] - if string.find(ie, "MSIE") > -1: - bt['versIE'] = string.split(ie, " ")[1] + bt['isIE'] = False + bt['isN4'] = False + if string.find(ua, 'MSIE') > -1: + bt['isIE'] = True + else: + bt['isN4'] = (string.find(ua, 'Mozilla/4.') > -1) + + try: + nav = ua[string.find(ua, '('):] + ie = string.split(nav, "; ")[1] + if string.find(ie, "MSIE") > -1: + bt['versIE'] = string.split(ie, " ")[1] + except: pass + bt['isMac'] = string.find(ua, 'Macintosh') > -1 bt['isWin'] = string.find(ua, 'Windows') > -1 bt['isIEWin'] = bt['isIE'] and bt['isWin'] @@ -57,55 +73,12 @@ def browserCheck(self): return bt -def manage_addZogiLibMainTemplateForm(self): - """Form for adding""" - #FIXME:??? - pt=PageTemplateFile(os.path.join(package_home(globals()), '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." - #FIXME:??? - 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): +class zogiImage(SimpleItem): """einzelnes Image""" meta_type="zogiImage" - manage_options=ZopePageTemplate.manage_options+( + manage_options=SimpleItem.manage_options+( {'label':'Main config','action':'changeZogiImageForm'}, ) @@ -114,14 +87,18 @@ class zogiImage(Image): """init""" self.id=id self.title=title - self.baseUrl=baseUrl + if baseUrl: + self.baseUrl=baseUrl + else: + self.baseUrl="http://nausikaa.mpiwg-berlin.mpg.de/digitallibrary/servlet/Scaler?" + self.queryString=queryString self.content_type=content_type self.precondition=precondition - def getData(self): - """getUrlData""" - return urllib.urlopen(self.baseUrl+self.queryString) + #def getData(self): + # """getUrlData""" + # return urllib.urlopen(self.baseUrl+self.queryString) def changeZogiImageForm(self): """Main configuration""" @@ -137,271 +114,28 @@ class zogiImage(Image): if RESPONSE is not None: RESPONSE.redirect('manage_main') - 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 - + """service the request by redirecting to digilib server""" + RESPONSE.redirect(self.baseUrl+self.queryString) return '' - - + + def rescale(self,width=None,height=None): + """andere parameter im querystring""" + qs=cgi.parse_qs(self.queryString) + for x in qs.keys(): + if type(qs[x]) is ListType: + qs[x]=qs[x][0] + + if width: + qs['dw']=width + if height: + qs['dh']=height + + + qsneu=urllib.urlencode(qs) + self.queryString=qsneu + return "done" + def manage_addZogiImageForm(self): """Form for adding""" pt=PageTemplateFile(os.path.join(package_home(globals()), 'zpt/addZogiImage.zpt')).__of__(self) @@ -409,7 +143,7 @@ def manage_addZogiImageForm(self): def manage_addZogiImage(self,id,title,baseUrl, queryString,RESPONSE=None): - """add dgilib""" + """add zogiimage""" newObj=zogiImage(id,title,baseUrl, queryString) self.Destination()._setObject(id,newObj) if RESPONSE is not None: @@ -418,79 +152,275 @@ def manage_addZogiImage(self,id,title,ba class zogiLib(Folder): - """StandardElement""" + """digilib frontend with ZOPE""" meta_type="zogiLib" - + #xxxx + security=ClassSecurityInfo() + manage_options = Folder.manage_options+( {'label':'Main Config','action':'changeZogiLibForm'}, ) - def __init__(self, id, title, digilibBaseUrl, localFileBase, version="book", basePath="", dlTarget=None): + def __init__(self, id, title, dlServerURL, layout="book", basePath="", dlTarget=None, dlToolbarBaseURL=None): """init""" self.id=id self.title=title - self.digilibBaseUrl=digilibBaseUrl - self.localFileBase=localFileBase + self.dlServerURL = dlServerURL self.basePath=basePath - self.layout=version - if dlTarget: - self.dlTarget = dlTarget + self.layout=layout + self.dlTarget = dlTarget + + if dlToolbarBaseURL: + self.dlToolbarBaseURL = dlToolbarBaseURL else: - self.dlTarget = "digilib" + self.dlToolbarBaseURL = dlServerURL + "/digimage.jsp?" + + self.manage_addFolder('template') + +# form templates + main_book = PageTemplateFile('zpt/main_book', globals()) + main_image = PageTemplateFile('zpt/main_image', globals()) + main_metaData = PageTemplateFile('zpt/main_metadata', globals()) + main_static = PageTemplateFile('zpt/main_static', globals()) + options = PageTemplateFile('zpt/options', globals()) + changeForm = PageTemplateFile('zpt/changeForm', globals()) + +# display templates + aux_divs = PageTemplateFile('zpt/aux_divs', globals()) + aux_divsN4 = PageTemplateFile('zpt/aux_divsN4', globals()) + img_div = PageTemplateFile('zpt/img_div', globals()) + +# javascripts + head_js = PageTemplateFile('zpt/head_js', globals()) + jslib_js = PageTemplateFile('js/baselib.js', globals()) + dllib_js = PageTemplateFile('js/dllib.js', globals()) + +# graphic files + arr_right = ImageFile('images/right.gif', globals()) + arr_left = ImageFile('images/left.gif', globals()) + arr_up = ImageFile('images/up.gif', globals()) + arr_down = ImageFile('images/down.gif', globals()) + mark1 = ImageFile('images/mark1.gif', globals()) + mark2 = ImageFile('images/mark2.gif', globals()) + mark3 = ImageFile('images/mark3.gif', globals()) + mark4 = ImageFile('images/mark4.gif', globals()) + mark5 = ImageFile('images/mark5.gif', globals()) + mark6 = ImageFile('images/mark6.gif', globals()) + mark7 = ImageFile('images/mark7.gif', globals()) + mark8 = ImageFile('images/mark8.gif', globals()) + corner1 = ImageFile('images/olinks.gif', globals()) + corner2 = ImageFile('images/orechts.gif', globals()) + corner3 = ImageFile('images/ulinks.gif', globals()) + corner4 = ImageFile('images/urechts.gif', globals()) + + + security.declareProtected('View','getLayout') + def getLayout(self): + """get Layout""" + return self.layout + def version(self): """version information""" return ZOGIVERSION + def getContextStatic(self): + """get all the contexts which go to static pages""" + + try: + dom=xml.dom.minidom.parse(urllib.urlopen(self.getMetaFileName())) + contexts=dom.getElementsByTagName("context") + + ret=[] + for context in contexts: + name=getUniqueElementText(context.getElementsByTagName("name")) + + link=getUniqueElementText(context.getElementsByTagName("link")) + if name or link: + ret.append((name,link)) + return ret + except: + return [] + + def getContextDatabases(self): + """get all dynamic contexts""" + try: + dom=xml.dom.minidom.parse(urllib.urlopen(self.getMetaFileName())) + contexts=dom.getElementsByTagName("context") + ret=[] + for context in contexts: + metaDataLinks=context.getElementsByTagName("meta-datalink") + for metaDataLink in metaDataLinks: + db=metaDataLink.getAttribute("db") + link=self.REQUEST['URL1']+"/dl_db?db=%s"%db + if db: + ret.append((db,link)) + metaDataLinks=context.getElementsByTagName("meta-baselink") + + for metaDataLink in metaDataLinks: + db=metaDataLink.getAttribute("db") + link=self.REQUEST['URL1']+"/dl_db?db=%s"%db + if db: + ret.append((db,link)) + + return ret + except: + + return [] + + + def formatHTML(self,url,label=None,viewUrl=None): + + sets=xml.dom.minidom.parse(urllib.urlopen(url)).getElementsByTagName('dataset') + ret="" + #print label + if label: + ret+="""%s"""%(viewUrl,label) + for set in sets: + ret+="
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