| 1 | from OFS.Folder import Folder |
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| 2 | from Products.PageTemplates.ZopePageTemplate import ZopePageTemplate |
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| 3 | from Products.PageTemplates.PageTemplateFile import PageTemplateFile |
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| 4 | from AccessControl import ClassSecurityInfo |
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| 5 | from AccessControl import getSecurityManager |
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| 6 | from Globals import package_home |
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| 7 | |
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| 8 | from Ft.Xml.Domlette import NonvalidatingReader |
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| 9 | from Ft.Xml.Domlette import PrettyPrint, Print |
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| 10 | from Ft.Xml import EMPTY_NAMESPACE |
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| 11 | |
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| 12 | import Ft.Xml.XPath |
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| 13 | |
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| 14 | import os.path |
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| 15 | import sys |
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| 16 | import cgi |
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| 17 | import urllib |
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| 18 | import zLOG |
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| 19 | |
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| 20 | def getInt(number, default=0): |
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| 21 | """returns always an int (0 in case of problems)""" |
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| 22 | try: |
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| 23 | return int(number) |
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| 24 | except: |
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| 25 | return default |
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| 26 | |
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| 27 | |
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| 28 | def getTextFromNode(nodename): |
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| 29 | if nodename is None: |
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| 30 | return "" |
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| 31 | nodelist=nodename.childNodes |
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| 32 | rc = "" |
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| 33 | for node in nodelist: |
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| 34 | if node.nodeType == node.TEXT_NODE: |
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| 35 | rc = rc + node.data |
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| 36 | return rc |
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| 37 | |
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| 38 | import socket |
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| 39 | |
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| 40 | def urlopen(url,timeout=2): |
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| 41 | """urlopen mit timeout""" |
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| 42 | socket.setdefaulttimeout(timeout) |
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| 43 | ret=urllib.urlopen(url) |
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| 44 | socket.setdefaulttimeout(5) |
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| 45 | return ret |
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| 46 | |
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| 47 | |
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| 48 | ## |
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| 49 | ## documentViewer class |
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| 50 | ## |
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| 51 | class documentViewer(Folder): |
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| 52 | """document viewer""" |
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| 53 | |
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| 54 | meta_type="Document viewer" |
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| 55 | |
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| 56 | security=ClassSecurityInfo() |
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| 57 | manage_options=Folder.manage_options+( |
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| 58 | {'label':'main config','action':'changeDocumentViewerForm'}, |
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| 59 | ) |
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| 60 | |
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| 61 | # templates and forms |
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| 62 | viewer_main = PageTemplateFile('zpt/viewer_main', globals()) |
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| 63 | thumbs_main = PageTemplateFile('zpt/thumbs_main', globals()) |
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| 64 | image_main = PageTemplateFile('zpt/image_main', globals()) |
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| 65 | head_main = PageTemplateFile('zpt/head_main', globals()) |
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| 66 | docuviewer_css = PageTemplateFile('css/docuviewer.css', globals()) |
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| 67 | |
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| 68 | security.declareProtected('View management screens','changeDocumentViewerForm') |
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| 69 | changeDocumentViewerForm = PageTemplateFile('zpt/changeDocumentViewer', globals()) |
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| 70 | |
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| 71 | |
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| 72 | def __init__(self,id,imageViewerUrl,title="",digilibBaseUrl=None,thumbcols=2,thumbrows=10,authgroups="mpiwg"): |
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| 73 | """init document viewer""" |
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| 74 | self.id=id |
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| 75 | self.title=title |
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| 76 | self.imageViewerUrl=imageViewerUrl |
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| 77 | if not digilibBaseUrl: |
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| 78 | self.digilibBaseUrl = self.findDigilibUrl() |
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| 79 | else: |
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| 80 | self.digilibBaseUrl = digilibBaseUrl |
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| 81 | self.thumbcols = thumbcols |
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| 82 | self.thumbrows = thumbrows |
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| 83 | # authgroups is list of authorized groups (delimited by ,) |
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| 84 | self.authgroups = [s.strip().lower() for s in authgroups.split(',')] |
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| 85 | # add template folder so we can always use template.something |
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| 86 | self.manage_addFolder('template') |
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| 87 | |
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| 88 | |
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| 89 | security.declareProtected('View','index_html') |
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| 90 | def index_html(self,mode,url,start=None,pn=1): |
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| 91 | ''' |
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| 92 | view it |
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| 93 | @param mode: defines which type of document is behind url |
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| 94 | @param url: url which contains display information |
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| 95 | ''' |
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| 96 | |
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| 97 | zLOG.LOG("documentViewer (index)", zLOG.INFO, "mode: %s url:%s start:%s pn:%s"%(mode,url,start,pn)) |
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| 98 | |
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| 99 | if not hasattr(self, 'template'): |
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| 100 | # create template folder if it doesn't exist |
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| 101 | self.manage_addFolder('template') |
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| 102 | |
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| 103 | if not self.digilibBaseUrl: |
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| 104 | self.digilibBaseUrl = self.findDigilibUrl() or "http://nausikaa.mpiwg-berlin.mpg.de/digitallibrary" |
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| 105 | |
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| 106 | docinfo = self.getDocinfo(mode=mode,url=url) |
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| 107 | pageinfo = self.getPageinfo(start=start,current=pn,docinfo=docinfo) |
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| 108 | pt = getattr(self.template, 'viewer_main') |
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| 109 | return pt(docinfo=docinfo,pageinfo=pageinfo) |
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| 110 | |
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| 111 | |
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| 112 | def getLink(self,param=None,val=None): |
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| 113 | """link to documentviewer with parameter param set to val""" |
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| 114 | params=cgi.parse_qs(self.REQUEST['QUERY_STRING']) |
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| 115 | if param is not None: |
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| 116 | if val is None: |
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| 117 | if params.has_key(param): |
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| 118 | del params[param] |
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| 119 | else: |
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| 120 | params[param] = [str(val)] |
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| 121 | |
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| 122 | ps = "&".join(["%s=%s"%(k,urllib.quote(v[0])) for (k, v) in params.items()]) |
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| 123 | url=self.REQUEST['URL']+"?"+ps |
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| 124 | #url=self.REQUEST['URL']+"?"+urllib.urlencode(params, doseq=True) |
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| 125 | return url |
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| 126 | |
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| 127 | |
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| 128 | def getStyle(self, idx, selected, style=""): |
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| 129 | """returns a string with the given style and append 'sel' if path == selected.""" |
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| 130 | #zLOG.LOG("documentViewer (getstyle)", zLOG.INFO, "idx: %s selected: %s style: %s"%(idx,selected,style)) |
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| 131 | if idx == selected: |
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| 132 | return style + 'sel' |
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| 133 | else: |
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| 134 | return style |
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| 135 | |
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| 136 | def accessOK(self, docinfo): |
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| 137 | """returns if access to the resource is granted""" |
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| 138 | access = docinfo.get('accessType', None) |
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| 139 | if access is None: |
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| 140 | # no information - no access (not yet) |
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| 141 | return True |
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| 142 | elif access == 'free': |
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| 143 | return True |
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| 144 | |
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| 145 | print "access: ", access, " authgroups: ", self.authgroups |
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| 146 | if access in self.authgroups: |
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| 147 | # local access OK |
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| 148 | user = getSecurityManager().getUser().getUserName() |
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| 149 | print "user: ", user |
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| 150 | return (user != "Anonymous User") |
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| 151 | |
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| 152 | zLOG.LOG("documentViewer (accessOK)", zLOG.INFO, "unknown access group %s"%access) |
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| 153 | return False |
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| 154 | |
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| 155 | |
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| 156 | def getDirinfoFromDigilib(self,path,docinfo=None): |
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| 157 | """gibt param von dlInfo aus""" |
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| 158 | if docinfo is None: |
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| 159 | docinfo = {} |
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| 160 | |
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| 161 | imageUrl=self.digilibBaseUrl+"/dirInfo-xml.jsp?mo=dir&fn="+path |
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| 162 | |
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| 163 | zLOG.LOG("documentViewer (getparamfromdigilib)", zLOG.INFO, "dirInfo from %s"%(imageUrl)) |
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| 164 | |
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| 165 | try: |
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| 166 | dom = NonvalidatingReader.parseUri(imageUrl) |
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| 167 | except: |
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| 168 | zLOG.LOG("documentViewer (getparamfromdigilib)", zLOG.ERROR, "error reading %s"%(imageUrl)) |
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| 169 | raise IOError("Unable to get dirinfo from %s"%(imageUrl)) |
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| 170 | |
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| 171 | params=dom.xpath("//dir/size") |
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| 172 | zLOG.LOG("documentViewer (getparamfromdigilib)", zLOG.INFO, "dirInfo:size"%params) |
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| 173 | |
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| 174 | if params: |
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| 175 | docinfo['numPages'] = int(getTextFromNode(params[0])) |
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| 176 | else: |
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| 177 | docinfo['numPages'] = 0 |
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| 178 | |
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| 179 | return docinfo |
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| 180 | |
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| 181 | |
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| 182 | def getAuthinfoFromIndexMeta(self,path,docinfo=None,dom=None): |
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| 183 | """gets authorization info from the index.meta file at url or given by dom""" |
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| 184 | zLOG.LOG("documentViewer (getbibinfofromindexmeta)", zLOG.INFO,"path: %s"%(path)) |
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| 185 | |
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| 186 | access = None |
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| 187 | |
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| 188 | if docinfo is None: |
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| 189 | docinfo = {} |
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| 190 | |
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| 191 | if dom is None: |
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| 192 | server=self.digilibBaseUrl+"/servlet/Texter?fn=" |
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| 193 | path="/".join(path.split("/")[0:-1]) |
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| 194 | metaUrl=server+path+"/index.meta" |
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| 195 | try: |
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| 196 | dom = NonvalidatingReader.parseUri(metaUrl) |
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| 197 | except: |
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| 198 | return docinfo |
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| 199 | |
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| 200 | acctype = dom.xpath("//access-conditions/access/@type") |
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| 201 | if acctype and (len(acctype)>0): |
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| 202 | access=acctype[0].value |
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| 203 | if access == 'group': |
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| 204 | access = getTextFromNode(dom.xpath("//access-conditions/access/name")[0]).lower() |
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| 205 | |
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| 206 | docinfo['accessType'] = access |
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| 207 | return docinfo |
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| 208 | |
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| 209 | |
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| 210 | def getBibinfoFromIndexMeta(self,path,docinfo=None,dom=None): |
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| 211 | """gets bibliographical info from the index.meta file at url or given by dom""" |
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| 212 | zLOG.LOG("documentViewer (getbibinfofromindexmeta)", zLOG.INFO,"path: %s"%(path)) |
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| 213 | |
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| 214 | if docinfo is None: |
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| 215 | docinfo = {} |
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| 216 | |
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| 217 | if dom is None: |
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| 218 | server=self.digilibBaseUrl+"/servlet/Texter?fn=" |
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| 219 | path="/".join(path.split("/")[0:-1]) |
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| 220 | metaUrl=server+path+"/index.meta" |
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| 221 | try: |
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| 222 | dom = NonvalidatingReader.parseUri(metaUrl) |
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| 223 | except: |
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| 224 | return docinfo |
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| 225 | |
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| 226 | metaData=self.metadata.main.meta.bib |
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| 227 | bibtype=dom.xpath("//bib/@type") |
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| 228 | if bibtype and (len(bibtype)>0): |
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| 229 | bibtype=bibtype[0].value |
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| 230 | else: |
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| 231 | bibtype="generic" |
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| 232 | bibtype=bibtype.replace("-"," ") # wrong typesiin index meta "-" instead of " " (not wrong! ROC) |
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| 233 | bibmap=metaData.generateMappingForType(bibtype) |
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| 234 | print "bibmap: ", bibmap, " for: ", bibtype |
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| 235 | # if there is no mapping bibmap is empty (mapping sometimes has empty fields) |
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| 236 | if len(bibmap) > 0 and len(bibmap['author'][0]) > 0: |
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| 237 | docinfo['author']=getTextFromNode(dom.xpath("//bib/%s"%bibmap['author'][0])[0]) |
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| 238 | docinfo['title']=getTextFromNode(dom.xpath("//bib/%s"%bibmap['title'][0])[0]) |
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| 239 | docinfo['year']=getTextFromNode(dom.xpath("//bib/%s"%bibmap['year'][0])[0]) |
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| 240 | |
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| 241 | return docinfo |
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| 242 | |
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| 243 | |
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| 244 | def getDocinfoFromTextTool(self,url,dom=None,docinfo=None): |
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| 245 | """parse texttool tag in index meta""" |
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| 246 | zLOG.LOG("documentViewer (getdocinfofromtexttool)", zLOG.INFO,"url: %s"%(url)) |
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| 247 | if docinfo is None: |
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| 248 | docinfo = {} |
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| 249 | |
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| 250 | if dom is None: |
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| 251 | try: |
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| 252 | dom = NonvalidatingReader.parseUri(url) |
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| 253 | except: |
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| 254 | zLOG.LOG("documentViewer (parseUrlTexttool)", zLOG.INFO,"%s (%s)"%sys.exc_info()[0:2]) |
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| 255 | raise IOError("Unable to get texttool info from %s"%(url)) |
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| 256 | |
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| 257 | archiveNames=dom.xpath("//resource/name") |
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| 258 | if archiveNames and (len(archiveNames)>0): |
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| 259 | archiveName=getTextFromNode(archiveNames[0]) |
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| 260 | |
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| 261 | archivePaths=dom.xpath("//resource/archive-path") |
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| 262 | if archivePaths and (len(archivePaths)>0): |
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| 263 | archivePath=getTextFromNode(archivePaths[0]) |
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| 264 | # clean up archive path |
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| 265 | if archivePath[0] != '/': |
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| 266 | archivePath = '/' + archivePath |
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| 267 | if not archivePath.endswith(archiveName): |
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| 268 | archivePath += "/" + archiveName |
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| 269 | else: |
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| 270 | archivePath=None |
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| 271 | |
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| 272 | images=dom.xpath("//texttool/image") |
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| 273 | if images and (len(images)>0): |
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| 274 | image=getTextFromNode(images[0]) |
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| 275 | else: |
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| 276 | image=None |
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| 277 | |
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| 278 | if image and archivePath: |
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| 279 | print "image: ", image, " archivepath: ", archivePath |
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| 280 | image=os.path.join(archivePath,image) |
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| 281 | image=image.replace("/mpiwg/online",'') |
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| 282 | docinfo=self.getDirinfoFromDigilib(image,docinfo=docinfo) |
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| 283 | docinfo['imagePath'] = image |
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| 284 | docinfo['imageURL'] = self.digilibBaseUrl+"/servlet/Scaler?fn="+image |
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| 285 | |
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| 286 | viewerUrls=dom.xpath("//texttool/digiliburlprefix") |
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| 287 | if viewerUrls and (len(viewerUrls)>0): |
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| 288 | viewerUrl=getTextFromNode(viewerUrls[0]) |
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| 289 | docinfo['viewerURL'] = viewerUrl |
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| 290 | |
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| 291 | textUrls=dom.xpath("//texttool/text") |
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| 292 | if textUrls and (len(textUrls)>0): |
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| 293 | textUrl=getTextFromNode(textUrls[0]) |
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| 294 | docinfo['textURL'] = textUrl |
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| 295 | |
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| 296 | docinfo = self.getBibinfoFromIndexMeta(url,docinfo=docinfo,dom=dom) |
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| 297 | docinfo = self.getAuthinfoFromIndexMeta(url,docinfo=docinfo,dom=dom) |
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| 298 | return docinfo |
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| 299 | |
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| 300 | |
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| 301 | def getDocinfoFromImagePath(self,path,docinfo=None): |
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| 302 | """path ist the path to the images it assumes that the index.meta file is one level higher.""" |
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| 303 | zLOG.LOG("documentViewer (getdocinfofromimagepath)", zLOG.INFO,"path: %s"%(path)) |
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| 304 | if docinfo is None: |
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| 305 | docinfo = {} |
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| 306 | path=path.replace("/mpiwg/online","") |
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| 307 | docinfo['imagePath'] = path |
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| 308 | docinfo=self.getDirinfoFromDigilib(path,docinfo=docinfo) |
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| 309 | imageUrl=self.digilibBaseUrl+"/servlet/Scaler?fn="+path |
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| 310 | docinfo['imageURL'] = imageUrl |
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| 311 | |
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| 312 | docinfo = self.getBibinfoFromIndexMeta(path,docinfo=docinfo) |
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| 313 | docinfo = self.getAuthinfoFromIndexMeta(path,docinfo=docinfo) |
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| 314 | return docinfo |
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| 315 | |
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| 316 | |
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| 317 | def getDocinfo(self, mode, url): |
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| 318 | """returns docinfo depending on mode""" |
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| 319 | zLOG.LOG("documentViewer (getdocinfo)", zLOG.INFO,"mode: %s, url: %s"%(mode,url)) |
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| 320 | # look for cached docinfo in session |
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| 321 | if self.REQUEST.SESSION.has_key('docinfo'): |
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| 322 | docinfo = self.REQUEST.SESSION['docinfo'] |
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| 323 | # check if its still current |
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| 324 | if docinfo is not None and docinfo.get('mode') == mode and docinfo.get('url') == url: |
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| 325 | zLOG.LOG("documentViewer (getdocinfo)", zLOG.INFO,"docinfo in session: %s"%docinfo) |
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| 326 | return docinfo |
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| 327 | # new docinfo |
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| 328 | docinfo = {'mode': mode, 'url': url} |
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| 329 | if mode=="texttool": #index.meta with texttool information |
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| 330 | docinfo = self.getDocinfoFromTextTool(url, docinfo=docinfo) |
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| 331 | elif mode=="imagepath": |
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| 332 | docinfo = self.getDocinfoFromImagePath(url, docinfo=docinfo) |
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| 333 | else: |
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| 334 | zLOG.LOG("documentViewer (getdocinfo)", zLOG.ERROR,"unknown mode!") |
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| 335 | zLOG.LOG("documentViewer (getdocinfo)", zLOG.INFO,"docinfo: %s"%docinfo) |
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| 336 | self.REQUEST.SESSION['docinfo'] = docinfo |
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| 337 | return docinfo |
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| 338 | |
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| 339 | |
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| 340 | def getPageinfo(self, current, start=None, rows=None, cols=None, docinfo=None): |
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| 341 | """returns pageinfo with the given parameters""" |
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| 342 | pageinfo = {} |
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| 343 | current = getInt(current) |
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| 344 | pageinfo['current'] = current |
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| 345 | rows = int(rows or self.thumbrows) |
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| 346 | pageinfo['rows'] = rows |
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| 347 | cols = int(cols or self.thumbcols) |
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| 348 | pageinfo['cols'] = cols |
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| 349 | grpsize = cols * rows |
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| 350 | pageinfo['groupsize'] = grpsize |
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| 351 | start = getInt(start, default=(int(current / grpsize) * grpsize +1)) |
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| 352 | pageinfo['start'] = start |
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| 353 | pageinfo['end'] = start + grpsize |
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| 354 | if docinfo is not None: |
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| 355 | np = int(docinfo['numPages']) |
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| 356 | pageinfo['end'] = min(pageinfo['end'], np) |
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| 357 | pageinfo['numgroups'] = int(np / grpsize) |
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| 358 | if np % grpsize > 0: |
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| 359 | pageinfo['numgroups'] += 1 |
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| 360 | |
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| 361 | return pageinfo |
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| 362 | |
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| 363 | def text(self,mode,url,pn): |
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| 364 | """give text""" |
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| 365 | if mode=="texttool": #index.meta with texttool information |
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| 366 | (viewerUrl,imagepath,textpath)=parseUrlTextTool(url) |
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| 367 | |
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| 368 | print textpath |
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| 369 | try: |
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| 370 | dom = NonvalidatingReader.parseUri(textpath) |
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| 371 | except: |
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| 372 | return None |
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| 373 | |
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| 374 | list=[] |
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| 375 | nodes=dom.xpath("//pb") |
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| 376 | |
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| 377 | node=nodes[int(pn)-1] |
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| 378 | |
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| 379 | p=node |
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| 380 | |
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| 381 | while p.tagName!="p": |
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| 382 | p=p.parentNode |
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| 383 | |
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| 384 | |
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| 385 | endNode=nodes[int(pn)] |
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| 386 | |
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| 387 | |
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| 388 | e=endNode |
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| 389 | |
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| 390 | while e.tagName!="p": |
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| 391 | e=e.parentNode |
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| 392 | |
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| 393 | |
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| 394 | next=node.parentNode |
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| 395 | |
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| 396 | #sammle s |
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| 397 | while next and (next!=endNode.parentNode): |
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| 398 | list.append(next) |
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| 399 | next=next.nextSibling |
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| 400 | list.append(endNode.parentNode) |
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| 401 | |
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| 402 | if p==e:# beide im selben paragraphen |
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| 403 | pass |
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| 404 | # else: |
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| 405 | # next=p |
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| 406 | # while next!=e: |
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| 407 | # print next,e |
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| 408 | # list.append(next) |
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| 409 | # next=next.nextSibling |
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| 410 | # |
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| 411 | # for x in list: |
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| 412 | # PrettyPrint(x) |
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| 413 | # |
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| 414 | # return list |
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| 415 | # |
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| 416 | |
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| 417 | def findDigilibUrl(self): |
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| 418 | """try to get the digilib URL from zogilib""" |
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| 419 | url = self.imageViewerUrl[:-1] + "/getScalerUrl" |
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| 420 | try: |
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| 421 | scaler = urlopen(url).read() |
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| 422 | return scaler.replace("/servlet/Scaler?", "") |
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| 423 | except: |
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| 424 | return None |
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| 425 | |
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| 426 | def changeDocumentViewer(self,imageViewerUrl,title="",digilibBaseUrl=None,thumbrows=2,thumbcols=10,authgroups='mpiwg',RESPONSE=None): |
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| 427 | """init document viewer""" |
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| 428 | self.title=title |
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| 429 | self.imageViewerUrl=imageViewerUrl |
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| 430 | self.digilibBaseUrl = digilibBaseUrl |
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| 431 | self.thumbrows = thumbrows |
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| 432 | self.thumbcols = thumbcols |
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| 433 | self.authgroups = [s.strip().lower() for s in authgroups.split(',')] |
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| 434 | if RESPONSE is not None: |
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| 435 | RESPONSE.redirect('manage_main') |
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| 436 | |
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| 437 | |
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| 438 | |
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| 439 | |
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| 440 | # security.declareProtected('View management screens','renameImageForm') |
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| 441 | |
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| 442 | def manage_AddDocumentViewerForm(self): |
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| 443 | """add the viewer form""" |
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| 444 | pt=PageTemplateFile('zpt/addDocumentViewer', globals()).__of__(self) |
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| 445 | return pt() |
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| 446 | |
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| 447 | def manage_AddDocumentViewer(self,id,imageViewerUrl="",title="",RESPONSE=None): |
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| 448 | """add the viewer""" |
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| 449 | newObj=documentViewer(id,imageViewerUrl,title) |
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| 450 | self._setObject(id,newObj) |
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| 451 | |
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| 452 | if RESPONSE is not None: |
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| 453 | RESPONSE.redirect('manage_main') |
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| 454 | |
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| 455 | |
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| 456 | ## |
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| 457 | ## DocumentViewerTemplate class |
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| 458 | ## |
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| 459 | class DocumentViewerTemplate(ZopePageTemplate): |
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| 460 | """Template for document viewer""" |
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| 461 | meta_type="DocumentViewer Template" |
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| 462 | |
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| 463 | |
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| 464 | def manage_addDocumentViewerTemplateForm(self): |
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| 465 | """Form for adding""" |
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| 466 | pt=PageTemplateFile('zpt/addDocumentViewerTemplate', globals()).__of__(self) |
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| 467 | return pt() |
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| 468 | |
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| 469 | def manage_addDocumentViewerTemplate(self, id='viewer_main', title=None, text=None, |
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| 470 | REQUEST=None, submit=None): |
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| 471 | "Add a Page Template with optional file content." |
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| 472 | |
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| 473 | self._setObject(id, DocumentViewerTemplate(id)) |
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| 474 | ob = getattr(self, id) |
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| 475 | ob.pt_edit(open(os.path.join(package_home(globals()),'zpt/viewer_main.zpt')).read(),None) |
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| 476 | if title: |
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| 477 | ob.pt_setTitle(title) |
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| 478 | try: |
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| 479 | u = self.DestinationURL() |
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| 480 | except AttributeError: |
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| 481 | u = REQUEST['URL1'] |
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| 482 | |
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| 483 | u = "%s/%s" % (u, urllib.quote(id)) |
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| 484 | REQUEST.RESPONSE.redirect(u+'/manage_main') |
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| 485 | return '' |
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| 486 | |
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| 487 | |
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| 488 | |
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