Mercurial > hg > documentViewer
annotate documentViewer.py @ 496:f83ffab77502 metalify-1
last version from HEAD
new zogilib version
author | casties |
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date | Fri, 18 Jun 2010 21:41:28 +0200 |
parents | ede0c93de798 |
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rev | line source |
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0 | 1 |
2 from OFS.Folder import Folder | |
3 from Products.PageTemplates.ZopePageTemplate import ZopePageTemplate | |
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4 from Products.PageTemplates.PageTemplateFile import PageTemplateFile |
0 | 5 from AccessControl import ClassSecurityInfo |
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6 from AccessControl import getSecurityManager |
0 | 7 from Globals import package_home |
8 | |
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9 from Ft.Xml import EMPTY_NAMESPACE, Parse |
496 | 10 import Ft.Xml.Domlette |
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11 import os.path |
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12 import sys |
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13 import urllib |
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14 import urllib2 |
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15 import logging |
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16 import math |
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17 import urlparse |
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18 import cStringIO |
0 | 19 |
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20 def logger(txt,method,txt2): |
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21 """logging""" |
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22 logging.info(txt+ txt2) |
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23 |
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24 |
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25 def getInt(number, default=0): |
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26 """returns always an int (0 in case of problems)""" |
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27 try: |
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28 return int(number) |
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29 except: |
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30 return int(default) |
0 | 31 |
32 def getTextFromNode(nodename): | |
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33 """get the cdata content of a node""" |
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34 if nodename is None: |
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35 return "" |
0 | 36 nodelist=nodename.childNodes |
37 rc = "" | |
38 for node in nodelist: | |
39 if node.nodeType == node.TEXT_NODE: | |
40 rc = rc + node.data | |
41 return rc | |
42 | |
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43 def serializeNode(node, encoding='utf-8'): |
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44 """returns a string containing node as XML""" |
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45 buf = cStringIO.StringIO() |
496 | 46 Ft.Xml.Domlette.Print(node, stream=buf, encoding=encoding) |
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47 s = buf.getvalue() |
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48 buf.close() |
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49 return s |
0 | 50 |
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51 |
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52 def getParentDir(path): |
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53 """returns pathname shortened by one""" |
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54 return '/'.join(path.split('/')[0:-1]) |
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55 |
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56 |
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57 def getHttpData(url, data=None, num_tries=3, timeout=10): |
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58 """returns result from url+data HTTP request""" |
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59 # we do GET (by appending data to url) |
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60 if isinstance(data, str) or isinstance(data, unicode): |
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61 # if data is string then append |
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62 url = "%s?%s"%(url,data) |
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63 elif isinstance(data, dict) or isinstance(data, list) or isinstance(data, tuple): |
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64 # urlencode |
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65 url = "%s?%s"%(url,urllib.urlencode(data)) |
0 | 66 |
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67 response = None |
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68 errmsg = None |
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69 for cnt in range(num_tries): |
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70 try: |
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71 logging.debug("getHttpData(#%s %ss) url=%s"%(cnt+1,timeout,url)) |
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72 if sys.version_info < (2, 6): |
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73 # set timeout on socket -- ugly :-( |
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74 import socket |
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75 socket.setdefaulttimeout(float(timeout)) |
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76 response = urllib2.urlopen(url) |
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77 else: |
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78 response = urllib2.urlopen(url,timeout=float(timeout)) |
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79 # check result? |
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80 break |
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81 except urllib2.HTTPError, e: |
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82 logging.error("getHttpData: HTTP error(%s): %s"%(e.code,e)) |
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83 errmsg = str(e) |
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84 # stop trying |
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85 break |
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86 except urllib2.URLError, e: |
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87 logging.error("getHttpData: URLLIB error(%s): %s"%(e.reason,e)) |
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88 errmsg = str(e) |
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89 # stop trying |
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90 #break |
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91 |
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92 if response is not None: |
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93 data = response.read() |
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94 response.close() |
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95 return data |
0 | 96 |
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97 raise IOError("ERROR fetching HTTP data from %s: %s"%(url,errmsg)) |
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98 #return None |
0 | 99 |
100 | |
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101 |
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102 ## |
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103 ## documentViewer class |
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104 ## |
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105 class documentViewer(Folder): |
0 | 106 """document viewer""" |
107 meta_type="Document viewer" | |
108 | |
109 security=ClassSecurityInfo() | |
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110 manage_options=Folder.manage_options+( |
0 | 111 {'label':'main config','action':'changeDocumentViewerForm'}, |
112 ) | |
113 | |
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114 # templates and forms |
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115 viewer_main = PageTemplateFile('zpt/viewer_main', globals()) |
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116 toc_thumbs = PageTemplateFile('zpt/toc_thumbs', globals()) |
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117 toc_text = PageTemplateFile('zpt/toc_text', globals()) |
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118 toc_figures = PageTemplateFile('zpt/toc_figures', globals()) |
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119 page_main_images = PageTemplateFile('zpt/page_main_images', globals()) |
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120 page_main_text = PageTemplateFile('zpt/page_main_text', globals()) |
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121 page_main_text_dict = PageTemplateFile('zpt/page_main_text_dict', globals()) |
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122 page_main_xml = PageTemplateFile('zpt/page_main_xml', globals()) |
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123 head_main = PageTemplateFile('zpt/head_main', globals()) |
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124 docuviewer_css = PageTemplateFile('css/docuviewer.css', globals()) |
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125 info_xml = PageTemplateFile('zpt/info_xml', globals()) |
0 | 126 |
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127 |
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128 thumbs_main_rss = PageTemplateFile('zpt/thumbs_main_rss', globals()) |
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129 security.declareProtected('View management screens','changeDocumentViewerForm') |
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130 changeDocumentViewerForm = PageTemplateFile('zpt/changeDocumentViewer', globals()) |
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131 |
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132 |
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133 def __init__(self,id,imageScalerUrl=None,textServerName=None,title="",digilibBaseUrl=None,thumbcols=2,thumbrows=5,authgroups="mpiwg"): |
0 | 134 """init document viewer""" |
135 self.id=id | |
136 self.title=title | |
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137 self.thumbcols = thumbcols |
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138 self.thumbrows = thumbrows |
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139 # authgroups is list of authorized groups (delimited by ,) |
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140 self.authgroups = [s.strip().lower() for s in authgroups.split(',')] |
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141 # create template folder so we can always use template.something |
0 | 142 |
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143 templateFolder = Folder('template') |
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144 #self['template'] = templateFolder # Zope-2.12 style |
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145 self._setObject('template',templateFolder) # old style |
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146 try: |
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147 import MpdlXmlTextServer |
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148 textServer = MpdlXmlTextServer.MpdlXmlTextServer(id='fulltextclient',serverName=textServerName) |
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149 #templateFolder['fulltextclient'] = xmlRpcClient |
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150 templateFolder._setObject('fulltextclient',textServer) |
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151 except Exception, e: |
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152 logging.error("Unable to create MpdlXmlTextServer for fulltextclient: "+str(e)) |
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153 try: |
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154 from Products.zogiLib.zogiLib import zogiLib |
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155 zogilib = zogiLib(id="zogilib", title="zogilib for docuviewer", dlServerURL=imageScalerUrl, layout="book") |
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156 #templateFolder['zogilib'] = zogilib |
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157 templateFolder._setObject('zogilib',zogilib) |
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158 except Exception, e: |
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159 logging.error("Unable to create zogiLib for zogilib: "+str(e)) |
0 | 160 |
161 | |
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162 # proxy text server methods to fulltextclient |
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163 def getTextPage(self, **args): |
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164 """get page""" |
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165 return self.template.fulltextclient.getTextPage(**args) |
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166 |
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167 def getQuery(self, **args): |
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168 """get query""" |
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169 return self.template.fulltextclient.getQuery(**args) |
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170 |
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171 def getSearch(self, **args): |
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172 """get search""" |
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173 return self.template.fulltextclient.getSearch(**args) |
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174 |
496 | 175 def getNumPages(self, docinfo): |
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176 """get numpages""" |
496 | 177 return self.template.fulltextclient.getNumPages(docinfo) |
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178 |
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179 def getTranslate(self, **args): |
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180 """get translate""" |
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181 return self.template.fulltextclient.getTranslate(**args) |
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182 |
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183 def getLemma(self, **args): |
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184 """get lemma""" |
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185 return self.template.fulltextclient.getLemma(**args) |
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186 |
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187 def getToc(self, **args): |
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188 """get toc""" |
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189 return self.template.fulltextclient.getToc(**args) |
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190 |
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191 def getTocPage(self, **args): |
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192 """get tocpage""" |
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193 return self.template.fulltextclient.getTocPage(**args) |
0 | 194 |
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195 |
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196 security.declareProtected('View','thumbs_rss') |
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197 def thumbs_rss(self,mode,url,viewMode="auto",start=None,pn=1): |
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198 ''' |
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199 view it |
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200 @param mode: defines how to access the document behind url |
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201 @param url: url which contains display information |
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202 @param viewMode: if images display images, if text display text, default is images (text,images or auto) |
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203 |
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204 ''' |
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205 logging.debug("HHHHHHHHHHHHHH:load the rss") |
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206 logger("documentViewer (index)", logging.INFO, "mode: %s url:%s start:%s pn:%s"%(mode,url,start,pn)) |
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207 |
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208 if not hasattr(self, 'template'): |
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209 # create template folder if it doesn't exist |
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210 self.manage_addFolder('template') |
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211 |
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212 if not self.digilibBaseUrl: |
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213 self.digilibBaseUrl = self.findDigilibUrl() or "http://nausikaa.mpiwg-berlin.mpg.de/digitallibrary" |
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214 |
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215 docinfo = self.getDocinfo(mode=mode,url=url) |
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216 pageinfo = self.getPageinfo(start=start,current=pn,docinfo=docinfo) |
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217 pt = getattr(self.template, 'thumbs_main_rss') |
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218 |
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219 if viewMode=="auto": # automodus gewaehlt |
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220 if docinfo.has_key("textURL") or docinfo.has_key('textURLPath'): #texturl gesetzt und textViewer konfiguriert |
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221 viewMode="text" |
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222 else: |
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223 viewMode="images" |
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224 |
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225 return pt(docinfo=docinfo,pageinfo=pageinfo,viewMode=viewMode) |
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226 |
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227 security.declareProtected('View','index_html') |
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228 def index_html(self,url,mode="texttool",viewMode="auto",tocMode="thumbs",start=None,pn=1,mk=None, query=None, querySearch=None): |
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229 ''' |
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230 view it |
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231 @param mode: defines how to access the document behind url |
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232 @param url: url which contains display information |
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233 @param viewMode: if images display images, if text display text, default is auto (text,images or auto) |
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234 @param tocMode: type of 'table of contents' for navigation (thumbs, text, figures, none) |
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235 @param querySearch: type of different search modes (fulltext, fulltextMorph, xpath, xquery, ftIndex, ftIndexMorph, fulltextMorphLemma) |
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236 ''' |
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237 |
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238 logging.debug("documentViewer (index) mode: %s url:%s start:%s pn:%s"%(mode,url,start,pn)) |
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239 |
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240 if not hasattr(self, 'template'): |
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241 # this won't work |
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242 logging.error("template folder missing!") |
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243 return "ERROR: template folder missing!" |
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244 |
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245 if not getattr(self, 'digilibBaseUrl', None): |
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246 self.digilibBaseUrl = self.findDigilibUrl() or "http://digilib.mpiwg-berlin.mpg.de/digitallibrary" |
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247 |
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248 docinfo = self.getDocinfo(mode=mode,url=url) |
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249 |
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250 if tocMode != "thumbs": |
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251 # get table of contents |
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252 docinfo = self.getToc(mode=tocMode, docinfo=docinfo) |
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253 |
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254 if viewMode=="auto": # automodus gewaehlt |
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255 if docinfo.has_key('textURL') or docinfo.has_key('textURLPath'): #texturl gesetzt und textViewer konfiguriert |
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256 viewMode="text_dict" |
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257 else: |
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258 viewMode="images" |
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259 |
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260 pageinfo = self.getPageinfo(start=start,current=pn,docinfo=docinfo,viewMode=viewMode,tocMode=tocMode) |
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261 |
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262 pt = getattr(self.template, 'viewer_main') |
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263 return pt(docinfo=docinfo,pageinfo=pageinfo,viewMode=viewMode,mk=self.generateMarks(mk)) |
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264 |
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265 def generateMarks(self,mk): |
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266 ret="" |
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267 if mk is None: |
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268 return "" |
496 | 269 if not isinstance(mk, list): |
270 mk=[mk] | |
495
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271 for m in mk: |
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272 ret+="mk=%s"%m |
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273 return ret |
0 | 274 |
275 | |
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276 def findDigilibUrl(self): |
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277 """try to get the digilib URL from zogilib""" |
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278 url = self.template.zogilib.getDLBaseUrl() |
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279 return url |
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280 |
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281 def getDocumentViewerURL(self): |
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282 """returns the URL of this instance""" |
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283 return self.absolute_url() |
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284 |
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285 def getStyle(self, idx, selected, style=""): |
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286 """returns a string with the given style and append 'sel' if path == selected.""" |
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287 #logger("documentViewer (getstyle)", logging.INFO, "idx: %s selected: %s style: %s"%(idx,selected,style)) |
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288 if idx == selected: |
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289 return style + 'sel' |
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290 else: |
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291 return style |
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292 |
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293 def getLink(self,param=None,val=None): |
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294 """link to documentviewer with parameter param set to val""" |
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295 params=self.REQUEST.form.copy() |
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296 if param is not None: |
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297 if val is None: |
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298 if params.has_key(param): |
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299 del params[param] |
0 | 300 else: |
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301 params[param] = str(val) |
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302 |
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303 if params.get("mode", None) == "filepath": #wenn beim erst Aufruf filepath gesetzt wurde aendere das nun zu imagepath |
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304 params["mode"] = "imagepath" |
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305 params["url"] = getParentDir(params["url"]) |
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306 |
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307 # quote values and assemble into query string |
496 | 308 #ps = "&".join(["%s=%s"%(k,urllib.quote(v)) for (k, v) in params.items()]) |
309 ps = urllib.urlencode(params) | |
495
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310 url=self.REQUEST['URL1']+"?"+ps |
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311 return url |
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312 |
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313 def getLinkAmp(self,param=None,val=None): |
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314 """link to documentviewer with parameter param set to val""" |
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315 params=self.REQUEST.form.copy() |
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316 if param is not None: |
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317 if val is None: |
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318 if params.has_key(param): |
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319 del params[param] |
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320 else: |
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321 params[param] = str(val) |
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322 |
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323 # quote values and assemble into query string |
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324 logging.debug("XYXXXXX: %s"%repr(params.items())) |
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325 ps = "&".join(["%s=%s"%(k,urllib.quote(v)) for (k, v) in params.items()]) |
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326 url=self.REQUEST['URL1']+"?"+ps |
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327 return url |
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328 |
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329 def getInfo_xml(self,url,mode): |
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330 """returns info about the document as XML""" |
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331 |
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332 if not self.digilibBaseUrl: |
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333 self.digilibBaseUrl = self.findDigilibUrl() or "http://nausikaa.mpiwg-berlin.mpg.de/digitallibrary" |
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335 docinfo = self.getDocinfo(mode=mode,url=url) |
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336 pt = getattr(self.template, 'info_xml') |
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337 return pt(docinfo=docinfo) |
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338 |
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340 def isAccessible(self, docinfo): |
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341 """returns if access to the resource is granted""" |
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342 access = docinfo.get('accessType', None) |
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343 logging.debug("documentViewer (accessOK) access type %s"%access) |
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344 if access is not None and access == 'free': |
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345 logging.debug("documentViewer (accessOK) access is free") |
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346 return True |
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347 elif access is None or access in self.authgroups: |
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348 # only local access -- only logged in users |
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349 user = getSecurityManager().getUser() |
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350 if user is not None: |
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351 #print "user: ", user |
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352 return (user.getUserName() != "Anonymous User") |
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353 else: |
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354 return False |
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356 logging.debug("documentViewer (accessOK) unknown access type %s"%access) |
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357 return False |
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359 |
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360 def getDirinfoFromDigilib(self,path,docinfo=None,cut=0): |
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361 """gibt param von dlInfo aus""" |
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362 if docinfo is None: |
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363 docinfo = {} |
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364 |
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365 for x in range(cut): |
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366 |
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367 path=getParentDir(path) |
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368 |
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369 infoUrl=self.digilibBaseUrl+"/dirInfo-xml.jsp?mo=dir&fn="+path |
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370 |
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371 logging.debug("documentViewer (getparamfromdigilib) dirInfo from %s"%(infoUrl)) |
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372 |
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373 txt = getHttpData(infoUrl) |
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374 if txt is None: |
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375 raise IOError("Unable to get dir-info from %s"%(infoUrl)) |
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377 dom = Parse(txt) |
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378 sizes=dom.xpath("//dir/size") |
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379 logging.debug("documentViewer (getparamfromdigilib) dirInfo:size"%sizes) |
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381 if sizes: |
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382 docinfo['numPages'] = int(getTextFromNode(sizes[0])) |
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383 else: |
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384 docinfo['numPages'] = 0 |
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385 |
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386 # TODO: produce and keep list of image names and numbers |
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387 |
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388 return docinfo |
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389 |
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390 |
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391 def getIndexMeta(self, url): |
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392 """returns dom of index.meta document at url""" |
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393 dom = None |
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394 metaUrl = None |
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395 if url.startswith("http://"): |
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396 # real URL |
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397 metaUrl = url |
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398 else: |
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399 # online path |
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400 server=self.digilibBaseUrl+"/servlet/Texter?fn=" |
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401 metaUrl=server+url.replace("/mpiwg/online","") |
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402 if not metaUrl.endswith("index.meta"): |
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403 metaUrl += "/index.meta" |
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404 |
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405 logging.debug("(getIndexMeta): METAURL: %s"%metaUrl) |
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406 txt=getHttpData(metaUrl) |
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407 if txt is None: |
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408 raise IOError("Unable to read index meta from %s"%(url)) |
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410 dom = Parse(txt) |
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411 return dom |
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412 |
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413 def getPresentationInfoXML(self, url): |
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414 """returns dom of info.xml document at url""" |
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415 dom = None |
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416 metaUrl = None |
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417 if url.startswith("http://"): |
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418 # real URL |
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419 metaUrl = url |
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420 else: |
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421 # online path |
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422 server=self.digilibBaseUrl+"/servlet/Texter?fn=" |
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423 metaUrl=server+url.replace("/mpiwg/online","") |
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425 txt=getHttpData(metaUrl) |
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426 if txt is None: |
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427 raise IOError("Unable to read infoXMLfrom %s"%(url)) |
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428 |
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429 dom = Parse(txt) |
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430 return dom |
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431 |
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433 def getAuthinfoFromIndexMeta(self,path,docinfo=None,dom=None,cut=0): |
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434 """gets authorization info from the index.meta file at path or given by dom""" |
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435 logging.debug("documentViewer (getauthinfofromindexmeta) path: %s"%(path)) |
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436 |
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437 access = None |
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439 if docinfo is None: |
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440 docinfo = {} |
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442 if dom is None: |
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443 for x in range(cut): |
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444 path=getParentDir(path) |
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445 dom = self.getIndexMeta(path) |
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446 |
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447 acctype = dom.xpath("//access-conditions/access/@type") |
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448 if acctype and (len(acctype)>0): |
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449 access=acctype[0].value |
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450 if access in ['group', 'institution']: |
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451 access = getTextFromNode(dom.xpath("//access-conditions/access/name")[0]).lower() |
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452 |
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453 docinfo['accessType'] = access |
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454 return docinfo |
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456 |
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457 def getBibinfoFromIndexMeta(self,path,docinfo=None,dom=None,cut=0): |
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458 """gets bibliographical info from the index.meta file at path or given by dom""" |
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459 logging.debug("documentViewer (getbibinfofromindexmeta) path: %s"%(path)) |
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460 |
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461 if docinfo is None: |
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462 docinfo = {} |
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463 |
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464 if dom is None: |
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465 for x in range(cut): |
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466 path=getParentDir(path) |
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467 dom = self.getIndexMeta(path) |
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468 |
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469 logging.debug("documentViewer (getbibinfofromindexmeta cutted) path: %s"%(path)) |
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470 # put in all raw bib fields as dict "bib" |
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471 bib = dom.xpath("//bib/*") |
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472 if bib and len(bib)>0: |
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473 bibinfo = {} |
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474 for e in bib: |
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475 bibinfo[e.localName] = getTextFromNode(e) |
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476 docinfo['bib'] = bibinfo |
0 | 477 |
495
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478 # extract some fields (author, title, year) according to their mapping |
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479 metaData=self.metadata.main.meta.bib |
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480 bibtype=dom.xpath("//bib/@type") |
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481 if bibtype and (len(bibtype)>0): |
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482 bibtype=bibtype[0].value |
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483 else: |
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484 bibtype="generic" |
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485 |
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486 bibtype=bibtype.replace("-"," ") # wrong typesiin index meta "-" instead of " " (not wrong! ROC) |
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487 docinfo['bib_type'] = bibtype |
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488 bibmap=metaData.generateMappingForType(bibtype) |
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489 # if there is no mapping bibmap is empty (mapping sometimes has empty fields) |
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490 if len(bibmap) > 0 and len(bibmap['author'][0]) > 0: |
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491 try: |
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492 docinfo['author']=getTextFromNode(dom.xpath("//bib/%s"%bibmap['author'][0])[0]) |
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493 except: pass |
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494 try: |
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495 docinfo['title']=getTextFromNode(dom.xpath("//bib/%s"%bibmap['title'][0])[0]) |
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496 except: pass |
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497 try: |
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498 docinfo['year']=getTextFromNode(dom.xpath("//bib/%s"%bibmap['year'][0])[0]) |
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499 except: pass |
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500 logging.debug("documentViewer (getbibinfofromindexmeta) using mapping for %s"%bibtype) |
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501 try: |
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502 docinfo['lang']=getTextFromNode(dom.xpath("//bib/lang")[0]) |
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503 except: |
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504 docinfo['lang']='' |
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505 |
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506 return docinfo |
0 | 507 |
508 | |
495
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509 def getDocinfoFromTextTool(self, url, dom=None, docinfo=None): |
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510 """parse texttool tag in index meta""" |
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511 logging.debug("documentViewer (getdocinfofromtexttool) url: %s" % (url)) |
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512 if docinfo is None: |
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513 docinfo = {} |
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514 if docinfo.get('lang', None) is None: |
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515 docinfo['lang'] = '' # default keine Sprache gesetzt |
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516 if dom is None: |
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517 dom = self.getIndexMeta(url) |
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518 |
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519 archivePath = None |
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520 archiveName = None |
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521 |
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522 archiveNames = dom.xpath("//resource/name") |
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523 if archiveNames and (len(archiveNames) > 0): |
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524 archiveName = getTextFromNode(archiveNames[0]) |
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525 else: |
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526 logging.warning("documentViewer (getdocinfofromtexttool) resource/name missing in: %s" % (url)) |
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527 |
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528 archivePaths = dom.xpath("//resource/archive-path") |
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529 if archivePaths and (len(archivePaths) > 0): |
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530 archivePath = getTextFromNode(archivePaths[0]) |
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531 # clean up archive path |
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532 if archivePath[0] != '/': |
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533 archivePath = '/' + archivePath |
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534 if archiveName and (not archivePath.endswith(archiveName)): |
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535 archivePath += "/" + archiveName |
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536 else: |
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537 # try to get archive-path from url |
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538 logging.warning("documentViewer (getdocinfofromtexttool) resource/archive-path missing in: %s" % (url)) |
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539 if (not url.startswith('http')): |
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540 archivePath = url.replace('index.meta', '') |
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541 |
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542 if archivePath is None: |
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543 # we balk without archive-path |
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544 raise IOError("Missing archive-path (for text-tool) in %s" % (url)) |
0 | 545 |
495
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546 imageDirs = dom.xpath("//texttool/image") |
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547 if imageDirs and (len(imageDirs) > 0): |
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548 imageDir = getTextFromNode(imageDirs[0]) |
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549 |
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550 else: |
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551 # we balk with no image tag / not necessary anymore because textmode is now standard |
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552 #raise IOError("No text-tool info in %s"%(url)) |
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553 imageDir = "" |
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554 #xquery="//pb" |
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555 docinfo['imagePath'] = "" # keine Bilder |
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556 docinfo['imageURL'] = "" |
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557 |
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558 if imageDir and archivePath: |
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559 #print "image: ", imageDir, " archivepath: ", archivePath |
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560 imageDir = os.path.join(archivePath, imageDir) |
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561 imageDir = imageDir.replace("/mpiwg/online", '') |
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562 docinfo = self.getDirinfoFromDigilib(imageDir, docinfo=docinfo) |
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563 docinfo['imagePath'] = imageDir |
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564 |
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565 docinfo['imageURL'] = self.digilibBaseUrl + "/servlet/Scaler?fn=" + imageDir |
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566 |
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567 viewerUrls = dom.xpath("//texttool/digiliburlprefix") |
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568 if viewerUrls and (len(viewerUrls) > 0): |
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569 viewerUrl = getTextFromNode(viewerUrls[0]) |
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570 docinfo['viewerURL'] = viewerUrl |
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571 |
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572 # old style text URL |
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573 textUrls = dom.xpath("//texttool/text") |
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574 if textUrls and (len(textUrls) > 0): |
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575 textUrl = getTextFromNode(textUrls[0]) |
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576 if urlparse.urlparse(textUrl)[0] == "": #keine url |
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577 textUrl = os.path.join(archivePath, textUrl) |
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578 # fix URLs starting with /mpiwg/online |
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579 if textUrl.startswith("/mpiwg/online"): |
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580 textUrl = textUrl.replace("/mpiwg/online", '', 1) |
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581 |
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582 docinfo['textURL'] = textUrl |
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583 |
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584 # new style text-url-path |
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585 textUrls = dom.xpath("//texttool/text-url-path") |
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586 if textUrls and (len(textUrls) > 0): |
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587 textUrl = getTextFromNode(textUrls[0]) |
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588 docinfo['textURLPath'] = textUrl |
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589 if not docinfo['imagePath']: |
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590 # text-only, no page images |
496 | 591 docinfo = self.getNumPages(docinfo) |
495
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592 |
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593 presentationUrls = dom.xpath("//texttool/presentation") |
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594 docinfo = self.getBibinfoFromIndexMeta(url, docinfo=docinfo, dom=dom) # get info von bib tag |
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595 |
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596 if presentationUrls and (len(presentationUrls) > 0): # ueberschreibe diese durch presentation informationen |
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597 # presentation url ergiebt sich ersetzen von index.meta in der url der fuer die Metadaten |
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598 # durch den relativen Pfad auf die presentation infos |
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599 presentationPath = getTextFromNode(presentationUrls[0]) |
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600 if url.endswith("index.meta"): |
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601 presentationUrl = url.replace('index.meta', presentationPath) |
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602 else: |
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603 presentationUrl = url + "/" + presentationPath |
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604 |
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605 docinfo = self.getBibinfoFromTextToolPresentation(presentationUrl, docinfo=docinfo, dom=dom) |
0 | 606 |
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607 docinfo = self.getAuthinfoFromIndexMeta(url, docinfo=docinfo, dom=dom) # get access info |
0 | 608 |
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609 return docinfo |
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610 |
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611 |
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612 def getBibinfoFromTextToolPresentation(self,url,docinfo=None,dom=None): |
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613 """gets the bibliographical information from the preseantion entry in texttools |
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614 """ |
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615 dom=self.getPresentationInfoXML(url) |
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616 try: |
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617 docinfo['author']=getTextFromNode(dom.xpath("//author")[0]) |
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618 except: |
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619 pass |
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620 try: |
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621 docinfo['title']=getTextFromNode(dom.xpath("//title")[0]) |
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622 except: |
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623 pass |
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624 try: |
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625 docinfo['year']=getTextFromNode(dom.xpath("//date")[0]) |
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626 except: |
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627 pass |
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628 return docinfo |
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629 |
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630 def getDocinfoFromImagePath(self,path,docinfo=None,cut=0): |
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631 """path ist the path to the images it assumes that the index.meta file is one level higher.""" |
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632 logging.debug("documentViewer (getdocinfofromimagepath) path: %s"%(path)) |
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633 if docinfo is None: |
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634 docinfo = {} |
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635 path=path.replace("/mpiwg/online","") |
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636 docinfo['imagePath'] = path |
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637 docinfo=self.getDirinfoFromDigilib(path,docinfo=docinfo,cut=cut) |
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638 |
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639 pathorig=path |
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640 for x in range(cut): |
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641 path=getParentDir(path) |
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642 logging.debug("documentViewer (getdocinfofromimagepath) PATH:"+path) |
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643 imageUrl=self.digilibBaseUrl+"/servlet/Scaler?fn="+path |
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644 docinfo['imageURL'] = imageUrl |
0 | 645 |
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646 #path ist the path to the images it assumes that the index.meta file is one level higher. |
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647 docinfo = self.getBibinfoFromIndexMeta(pathorig,docinfo=docinfo,cut=cut+1) |
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648 docinfo = self.getAuthinfoFromIndexMeta(pathorig,docinfo=docinfo,cut=cut+1) |
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649 return docinfo |
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650 |
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651 |
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652 def getDocinfo(self, mode, url): |
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653 """returns docinfo depending on mode""" |
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654 logging.debug("documentViewer (getdocinfo) mode: %s, url: %s"%(mode,url)) |
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655 # look for cached docinfo in session |
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656 if self.REQUEST.SESSION.has_key('docinfo'): |
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657 docinfo = self.REQUEST.SESSION['docinfo'] |
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658 # check if its still current |
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659 if docinfo is not None and docinfo.get('mode') == mode and docinfo.get('url') == url: |
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660 logging.debug("documentViewer (getdocinfo) docinfo in session: %s"%docinfo) |
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661 return docinfo |
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662 # new docinfo |
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663 docinfo = {'mode': mode, 'url': url} |
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664 if mode=="texttool": #index.meta with texttool information |
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665 docinfo = self.getDocinfoFromTextTool(url, docinfo=docinfo) |
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666 elif mode=="imagepath": |
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667 docinfo = self.getDocinfoFromImagePath(url, docinfo=docinfo) |
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668 elif mode=="filepath": |
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669 docinfo = self.getDocinfoFromImagePath(url, docinfo=docinfo,cut=1) |
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670 else: |
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671 logging.error("documentViewer (getdocinfo) unknown mode: %s!"%mode) |
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672 raise ValueError("Unknown mode %s! Has to be one of 'texttool','imagepath','filepath'."%(mode)) |
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673 |
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674 logging.debug("documentViewer (getdocinfo) docinfo: %s"%docinfo) |
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675 self.REQUEST.SESSION['docinfo'] = docinfo |
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676 return docinfo |
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677 |
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678 def getPageinfo(self, current, start=None, rows=None, cols=None, docinfo=None, viewMode=None, tocMode=None): |
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679 """returns pageinfo with the given parameters""" |
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680 pageinfo = {} |
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681 current = getInt(current) |
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682 pageinfo['current'] = current |
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683 rows = int(rows or self.thumbrows) |
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684 pageinfo['rows'] = rows |
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685 cols = int(cols or self.thumbcols) |
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686 pageinfo['cols'] = cols |
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687 grpsize = cols * rows |
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688 pageinfo['groupsize'] = grpsize |
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689 start = getInt(start, default=(math.ceil(float(current)/float(grpsize))*grpsize-(grpsize-1))) |
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690 # int(current / grpsize) * grpsize +1)) |
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691 pageinfo['start'] = start |
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692 pageinfo['end'] = start + grpsize |
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693 if (docinfo is not None) and ('numPages' in docinfo): |
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694 np = int(docinfo['numPages']) |
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695 pageinfo['end'] = min(pageinfo['end'], np) |
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696 pageinfo['numgroups'] = int(np / grpsize) |
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697 if np % grpsize > 0: |
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698 pageinfo['numgroups'] += 1 |
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699 pageinfo['viewMode'] = viewMode |
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700 pageinfo['tocMode'] = tocMode |
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701 pageinfo['query'] = self.REQUEST.get('query',' ') |
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702 pageinfo['queryType'] = self.REQUEST.get('queryType',' ') |
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703 pageinfo['querySearch'] =self.REQUEST.get('querySearch', 'fulltext') |
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704 pageinfo['textPN'] = self.REQUEST.get('textPN','1') |
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705 pageinfo['highlightQuery'] = self.REQUEST.get('highlightQuery','') |
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706 pageinfo['tocPageSize'] = self.REQUEST.get('tocPageSize', '30') |
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707 pageinfo['queryPageSize'] =self.REQUEST.get('queryPageSize', '10') |
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708 pageinfo['tocPN'] = self.REQUEST.get('tocPN', '1') |
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709 toc = int (pageinfo['tocPN']) |
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710 pageinfo['textPages'] =int (toc) |
0 | 711 |
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712 if 'tocSize_%s'%tocMode in docinfo: |
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713 tocSize = int(docinfo['tocSize_%s'%tocMode]) |
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714 tocPageSize = int(pageinfo['tocPageSize']) |
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715 # cached toc |
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716 if tocSize%tocPageSize>0: |
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717 tocPages=tocSize/tocPageSize+1 |
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718 else: |
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719 tocPages=tocSize/tocPageSize |
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720 pageinfo['tocPN'] = min (tocPages,toc) |
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721 pageinfo['searchPN'] =self.REQUEST.get('searchPN','1') |
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722 pageinfo['sn'] =self.REQUEST.get('sn','') |
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723 return pageinfo |
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724 |
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725 def changeDocumentViewer(self,title="",digilibBaseUrl=None,thumbrows=2,thumbcols=5,authgroups='mpiwg',RESPONSE=None): |
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726 """init document viewer""" |
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727 self.title=title |
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728 self.digilibBaseUrl = digilibBaseUrl |
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729 self.thumbrows = thumbrows |
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730 self.thumbcols = thumbcols |
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731 self.authgroups = [s.strip().lower() for s in authgroups.split(',')] |
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732 if RESPONSE is not None: |
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733 RESPONSE.redirect('manage_main') |
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734 |
0 | 735 def manage_AddDocumentViewerForm(self): |
736 """add the viewer form""" | |
495
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737 pt=PageTemplateFile('zpt/addDocumentViewer', globals()).__of__(self) |
0 | 738 return pt() |
739 | |
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740 def manage_AddDocumentViewer(self,id,imageScalerUrl="",textServerName="",title="",RESPONSE=None): |
0 | 741 """add the viewer""" |
495
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742 newObj=documentViewer(id,imageScalerUrl=imageScalerUrl,title=title,textServerName=textServerName) |
0 | 743 self._setObject(id,newObj) |
744 | |
745 if RESPONSE is not None: | |
746 RESPONSE.redirect('manage_main') | |
495
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747 |
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748 ## DocumentViewerTemplate class |
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749 class DocumentViewerTemplate(ZopePageTemplate): |
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750 """Template for document viewer""" |
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751 meta_type="DocumentViewer Template" |
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752 |
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753 |
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754 def manage_addDocumentViewerTemplateForm(self): |
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755 """Form for adding""" |
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756 pt=PageTemplateFile('zpt/addDocumentViewerTemplate', globals()).__of__(self) |
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757 return pt() |
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758 |
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759 def manage_addDocumentViewerTemplate(self, id='viewer_main', title=None, text=None, |
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760 REQUEST=None, submit=None): |
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761 "Add a Page Template with optional file content." |
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762 |
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763 self._setObject(id, DocumentViewerTemplate(id)) |
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764 ob = getattr(self, id) |
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765 txt=file(os.path.join(package_home(globals()),'zpt/viewer_main.zpt'),'r').read() |
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766 logging.info("txt %s:"%txt) |
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767 ob.pt_edit(txt,"text/html") |
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768 if title: |
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769 ob.pt_setTitle(title) |
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770 try: |
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771 u = self.DestinationURL() |
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772 except AttributeError: |
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773 u = REQUEST['URL1'] |
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774 |
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775 u = "%s/%s" % (u, urllib.quote(id)) |
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776 REQUEST.RESPONSE.redirect(u+'/manage_main') |
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777 return '' |
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778 |
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779 |
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780 |