1 | |
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2 | |
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3 | from OFS.Folder import Folder |
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4 | from Products.PageTemplates.ZopePageTemplate import ZopePageTemplate |
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5 | from Products.PageTemplates.PageTemplateFile import PageTemplateFile |
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6 | from AccessControl import ClassSecurityInfo |
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7 | from AccessControl import getSecurityManager |
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8 | from Globals import package_home |
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9 | |
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10 | from Ft.Xml.Domlette import NonvalidatingReader |
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11 | from Ft.Xml.Domlette import PrettyPrint, Print |
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12 | from Ft.Xml import EMPTY_NAMESPACE, Parse |
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13 | |
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14 | import Ft.Xml.XPath |
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15 | |
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16 | import os.path |
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17 | import sys |
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18 | import cgi |
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19 | import urllib |
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20 | import logging |
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21 | import math |
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22 | |
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23 | import urlparse |
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24 | from types import * |
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25 | def logger(txt,method,txt2): |
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26 | """logging""" |
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27 | logging.info(txt+ txt2) |
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28 | |
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29 | |
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30 | def getInt(number, default=0): |
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31 | """returns always an int (0 in case of problems)""" |
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32 | try: |
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33 | return int(number) |
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34 | except: |
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35 | return int(default) |
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36 | |
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37 | def getTextFromNode(nodename): |
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38 | """get the cdata content of a node""" |
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39 | if nodename is None: |
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40 | return "" |
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41 | nodelist=nodename.childNodes |
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42 | rc = "" |
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43 | for node in nodelist: |
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44 | if node.nodeType == node.TEXT_NODE: |
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45 | rc = rc + node.data |
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46 | return rc |
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47 | |
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48 | |
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49 | def getParentDir(path): |
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50 | """returns pathname shortened by one""" |
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51 | return '/'.join(path.split('/')[0:-1]) |
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52 | |
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53 | |
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54 | import socket |
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55 | |
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56 | def urlopen(url,timeout=2): |
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57 | """urlopen mit timeout""" |
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58 | socket.setdefaulttimeout(timeout) |
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59 | ret=urllib.urlopen(url) |
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60 | socket.setdefaulttimeout(5) |
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61 | return ret |
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62 | |
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63 | |
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64 | ## |
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65 | ## documentViewer class |
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66 | ## |
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67 | class documentViewer(Folder): |
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68 | """document viewer""" |
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69 | #textViewerUrl="http://127.0.0.1:8080/HFQP/testXSLT/getPage?" |
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70 | |
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71 | meta_type="Document viewer" |
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72 | |
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73 | security=ClassSecurityInfo() |
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74 | manage_options=Folder.manage_options+( |
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75 | {'label':'main config','action':'changeDocumentViewerForm'}, |
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76 | ) |
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77 | |
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78 | # templates and forms |
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79 | viewer_main = PageTemplateFile('zpt/viewer_main', globals()) |
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80 | thumbs_main = PageTemplateFile('zpt/thumbs_main', globals()) |
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81 | image_main = PageTemplateFile('zpt/image_main', globals()) |
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82 | head_main = PageTemplateFile('zpt/head_main', globals()) |
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83 | docuviewer_css = PageTemplateFile('css/docuviewer.css', globals()) |
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84 | info_xml = PageTemplateFile('zpt/info_xml', globals()) |
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85 | |
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86 | thumbs_main_rss = PageTemplateFile('zpt/thumbs_main_rss', globals()) |
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87 | security.declareProtected('View management screens','changeDocumentViewerForm') |
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88 | changeDocumentViewerForm = PageTemplateFile('zpt/changeDocumentViewer', globals()) |
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89 | |
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90 | |
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91 | def __init__(self,id,imageViewerUrl,textViewerUrl=None,title="",digilibBaseUrl=None,thumbcols=2,thumbrows=10,authgroups="mpiwg"): |
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92 | """init document viewer""" |
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93 | self.id=id |
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94 | self.title=title |
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95 | self.imageViewerUrl=imageViewerUrl |
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96 | self.textViewerUrl=textViewerUrl |
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97 | |
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98 | if not digilibBaseUrl: |
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99 | self.digilibBaseUrl = self.findDigilibUrl() |
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100 | else: |
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101 | self.digilibBaseUrl = digilibBaseUrl |
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102 | self.thumbcols = thumbcols |
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103 | self.thumbrows = thumbrows |
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104 | # authgroups is list of authorized groups (delimited by ,) |
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105 | self.authgroups = [s.strip().lower() for s in authgroups.split(',')] |
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106 | # add template folder so we can always use template.something |
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107 | self.manage_addFolder('template') |
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108 | |
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109 | |
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110 | security.declareProtected('View','thumbs_rss') |
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111 | def thumbs_rss(self,mode,url,viewMode="auto",start=None,pn=1): |
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112 | ''' |
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113 | view it |
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114 | @param mode: defines how to access the document behind url |
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115 | @param url: url which contains display information |
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116 | @param viewMode: if images display images, if text display text, default is images (text,images or auto) |
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117 | |
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118 | ''' |
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119 | logging.info("HHHHHHHHHHHHHH:load the rss") |
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120 | logger("documentViewer (index)", logging.INFO, "mode: %s url:%s start:%s pn:%s"%(mode,url,start,pn)) |
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121 | |
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122 | if not hasattr(self, 'template'): |
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123 | # create template folder if it doesn't exist |
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124 | self.manage_addFolder('template') |
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125 | |
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126 | if not self.digilibBaseUrl: |
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127 | self.digilibBaseUrl = self.findDigilibUrl() or "http://nausikaa.mpiwg-berlin.mpg.de/digitallibrary" |
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128 | |
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129 | docinfo = self.getDocinfo(mode=mode,url=url) |
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130 | pageinfo = self.getPageinfo(start=start,current=pn,docinfo=docinfo) |
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131 | pt = getattr(self.template, 'thumbs_main_rss') |
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132 | |
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133 | if viewMode=="auto": # automodus gewaehlt |
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134 | if docinfo.get("textURL",'') and self.textViewerUrl: #texturl gesetzt und textViewer konfiguriert |
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135 | viewMode="text" |
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136 | else: |
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137 | viewMode="images" |
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138 | |
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139 | return pt(docinfo=docinfo,pageinfo=pageinfo,viewMode=viewMode) |
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140 | |
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141 | security.declareProtected('View','index_html') |
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142 | def index_html(self,mode,url,viewMode="auto",start=None,pn=1,mk=None): |
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143 | ''' |
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144 | view it |
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145 | @param mode: defines how to access the document behind url |
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146 | @param url: url which contains display information |
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147 | @param viewMode: if images display images, if text display text, default is images (text,images or auto) |
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148 | |
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149 | ''' |
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150 | |
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151 | logger("documentViewer (index)", logging.INFO, "mode: %s url:%s start:%s pn:%s"%(mode,url,start,pn)) |
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152 | |
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153 | if not hasattr(self, 'template'): |
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154 | # create template folder if it doesn't exist |
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155 | self.manage_addFolder('template') |
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156 | |
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157 | if not self.digilibBaseUrl: |
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158 | self.digilibBaseUrl = self.findDigilibUrl() or "http://nausikaa.mpiwg-berlin.mpg.de/digitallibrary" |
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159 | |
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160 | docinfo = self.getDocinfo(mode=mode,url=url) |
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161 | pageinfo = self.getPageinfo(start=start,current=pn,docinfo=docinfo) |
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162 | pt = getattr(self.template, 'viewer_main') |
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163 | |
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164 | if viewMode=="auto": # automodus gewaehlt |
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165 | if docinfo.get("textURL",'') and self.textViewerUrl: #texturl gesetzt und textViewer konfiguriert |
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166 | viewMode="text" |
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167 | else: |
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168 | viewMode="images" |
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169 | |
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170 | return pt(docinfo=docinfo,pageinfo=pageinfo,viewMode=viewMode,mk=self.generateMarks(mk)) |
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171 | |
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172 | def generateMarks(self,mk): |
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173 | ret="" |
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174 | if mk is None: |
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175 | return "" |
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176 | |
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177 | if type(mk) is not ListType: |
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178 | mk=[mk] |
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179 | for m in mk: |
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180 | ret+="mk=%s"%m |
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181 | return ret |
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182 | |
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183 | def getLink(self,param=None,val=None): |
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184 | """link to documentviewer with parameter param set to val""" |
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185 | params=self.REQUEST.form.copy() |
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186 | if param is not None: |
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187 | if val is None: |
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188 | if params.has_key(param): |
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189 | del params[param] |
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190 | else: |
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191 | params[param] = str(val) |
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192 | if params["mode"] == "filepath": #wenn beim erst Aufruf filepath gesetzt wurde aendere das nun zu imagepath |
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193 | params["mode"] = "imagepath" |
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194 | params["url"] = getParentDir(params["url"]) |
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195 | |
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196 | # quote values and assemble into query string |
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197 | ps = "&".join(["%s=%s"%(k,urllib.quote(v)) for (k, v) in params.items()]) |
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198 | url=self.REQUEST['URL1']+"?"+ps |
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199 | return url |
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200 | |
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201 | def getLinkAmp(self,param=None,val=None): |
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202 | """link to documentviewer with parameter param set to val""" |
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203 | params=self.REQUEST.form.copy() |
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204 | if param is not None: |
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205 | if val is None: |
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206 | if params.has_key(param): |
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207 | del params[param] |
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208 | else: |
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209 | params[param] = str(val) |
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210 | |
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211 | # quote values and assemble into query string |
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212 | logging.info("XYXXXXX: %s"%repr(params.items())) |
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213 | ps = "&".join(["%s=%s"%(k,urllib.quote(v)) for (k, v) in params.items()]) |
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214 | url=self.REQUEST['URL1']+"?"+ps |
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215 | return url |
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216 | def getInfo_xml(self,url,mode): |
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217 | """returns info about the document as XML""" |
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218 | |
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219 | if not self.digilibBaseUrl: |
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220 | self.digilibBaseUrl = self.findDigilibUrl() or "http://nausikaa.mpiwg-berlin.mpg.de/digitallibrary" |
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221 | |
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222 | docinfo = self.getDocinfo(mode=mode,url=url) |
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223 | pt = getattr(self.template, 'info_xml') |
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224 | return pt(docinfo=docinfo) |
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225 | |
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226 | |
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227 | def getStyle(self, idx, selected, style=""): |
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228 | """returns a string with the given style and append 'sel' if path == selected.""" |
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229 | #logger("documentViewer (getstyle)", logging.INFO, "idx: %s selected: %s style: %s"%(idx,selected,style)) |
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230 | if idx == selected: |
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231 | return style + 'sel' |
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232 | else: |
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233 | return style |
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234 | |
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235 | |
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236 | def isAccessible(self, docinfo): |
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237 | """returns if access to the resource is granted""" |
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238 | access = docinfo.get('accessType', None) |
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239 | logger("documentViewer (accessOK)", logging.INFO, "access type %s"%access) |
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240 | if access is not None and access == 'free': |
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241 | logger("documentViewer (accessOK)", logging.INFO, "access is free") |
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242 | return True |
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243 | elif access is None or access in self.authgroups: |
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244 | # only local access -- only logged in users |
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245 | user = getSecurityManager().getUser() |
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246 | if user is not None: |
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247 | #print "user: ", user |
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248 | return (user.getUserName() != "Anonymous User") |
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249 | else: |
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250 | return False |
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251 | |
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252 | logger("documentViewer (accessOK)", logging.INFO, "unknown access type %s"%access) |
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253 | return False |
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254 | |
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255 | |
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256 | def getDirinfoFromDigilib(self,path,docinfo=None,cut=0): |
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257 | """gibt param von dlInfo aus""" |
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258 | num_retries = 3 |
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259 | if docinfo is None: |
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260 | docinfo = {} |
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261 | |
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262 | for x in range(cut): |
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263 | |
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264 | path=getParentDir(path) |
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265 | |
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266 | infoUrl=self.digilibBaseUrl+"/dirInfo-xml.jsp?mo=dir&fn="+path |
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267 | |
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268 | logger("documentViewer (getparamfromdigilib)", logging.INFO, "dirInfo from %s"%(infoUrl)) |
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269 | |
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270 | for cnt in range(num_retries): |
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271 | try: |
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272 | # dom = NonvalidatingReader.parseUri(imageUrl) |
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273 | txt=urllib.urlopen(infoUrl).read() |
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274 | dom = Parse(txt) |
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275 | break |
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276 | except: |
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277 | logger("documentViewer (getdirinfofromdigilib)", logging.ERROR, "error reading %s (try %d)"%(infoUrl,cnt)) |
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278 | else: |
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279 | raise IOError("Unable to get dir-info from %s"%(infoUrl)) |
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280 | |
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281 | sizes=dom.xpath("//dir/size") |
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282 | logger("documentViewer (getparamfromdigilib)", logging.INFO, "dirInfo:size"%sizes) |
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283 | |
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284 | if sizes: |
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285 | docinfo['numPages'] = int(getTextFromNode(sizes[0])) |
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286 | else: |
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287 | docinfo['numPages'] = 0 |
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288 | |
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289 | return docinfo |
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290 | |
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291 | |
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292 | def getIndexMeta(self, url): |
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293 | """returns dom of index.meta document at url""" |
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294 | num_retries = 3 |
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295 | dom = None |
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296 | metaUrl = None |
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297 | if url.startswith("http://"): |
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298 | # real URL |
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299 | metaUrl = url |
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300 | else: |
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301 | # online path |
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302 | server=self.digilibBaseUrl+"/servlet/Texter?fn=" |
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303 | metaUrl=server+url.replace("/mpiwg/online","") |
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304 | if not metaUrl.endswith("index.meta"): |
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305 | metaUrl += "/index.meta" |
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306 | logging.debug("METAURL: %s"%metaUrl) |
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307 | for cnt in range(num_retries): |
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308 | try: |
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309 | # patch dirk encoding fehler treten dann nicht mehr auf |
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310 | # dom = NonvalidatingReader.parseUri(metaUrl) |
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311 | txt=urllib.urlopen(metaUrl).read() |
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312 | dom = Parse(txt) |
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313 | break |
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314 | except: |
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315 | logger("ERROR documentViewer (getIndexMata)", logging.INFO,"%s (%s)"%sys.exc_info()[0:2]) |
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316 | |
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317 | if dom is None: |
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318 | raise IOError("Unable to read index meta from %s"%(url)) |
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319 | |
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320 | return dom |
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321 | |
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322 | def getPresentationInfoXML(self, url): |
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323 | """returns dom of info.xml document at url""" |
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324 | num_retries = 3 |
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325 | dom = None |
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326 | metaUrl = None |
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327 | if url.startswith("http://"): |
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328 | # real URL |
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329 | metaUrl = url |
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330 | else: |
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331 | # online path |
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332 | server=self.digilibBaseUrl+"/servlet/Texter?fn=" |
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333 | metaUrl=server+url.replace("/mpiwg/online","") |
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334 | |
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335 | |
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336 | for cnt in range(num_retries): |
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337 | try: |
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338 | # patch dirk encoding fehler treten dann nicht mehr auf |
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339 | # dom = NonvalidatingReader.parseUri(metaUrl) |
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340 | txt=urllib.urlopen(metaUrl).read() |
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341 | dom = Parse(txt) |
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342 | break |
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343 | except: |
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344 | logger("ERROR documentViewer (getPresentationInfoXML)", logging.INFO,"%s (%s)"%sys.exc_info()[0:2]) |
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345 | |
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346 | if dom is None: |
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347 | raise IOError("Unable to read infoXMLfrom %s"%(url)) |
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348 | |
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349 | return dom |
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350 | |
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351 | |
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352 | def getAuthinfoFromIndexMeta(self,path,docinfo=None,dom=None,cut=0): |
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353 | """gets authorization info from the index.meta file at path or given by dom""" |
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354 | logger("documentViewer (getauthinfofromindexmeta)", logging.INFO,"path: %s"%(path)) |
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355 | |
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356 | access = None |
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357 | |
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358 | if docinfo is None: |
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359 | docinfo = {} |
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360 | |
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361 | if dom is None: |
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362 | for x in range(cut): |
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363 | path=getParentDir(path) |
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364 | dom = self.getIndexMeta(path) |
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365 | |
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366 | acctype = dom.xpath("//access-conditions/access/@type") |
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367 | if acctype and (len(acctype)>0): |
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368 | access=acctype[0].value |
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369 | if access in ['group', 'institution']: |
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370 | access = getTextFromNode(dom.xpath("//access-conditions/access/name")[0]).lower() |
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371 | |
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372 | docinfo['accessType'] = access |
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373 | return docinfo |
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374 | |
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375 | |
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376 | def getBibinfoFromIndexMeta(self,path,docinfo=None,dom=None,cut=0): |
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377 | """gets bibliographical info from the index.meta file at path or given by dom""" |
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378 | logging.debug("documentViewer (getbibinfofromindexmeta) path: %s"%(path)) |
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379 | |
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380 | if docinfo is None: |
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381 | docinfo = {} |
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382 | |
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383 | if dom is None: |
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384 | for x in range(cut): |
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385 | path=getParentDir(path) |
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386 | dom = self.getIndexMeta(path) |
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387 | |
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388 | # put in all raw bib fields as dict "bib" |
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389 | bib = dom.xpath("//bib/*") |
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390 | if bib and len(bib)>0: |
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391 | bibinfo = {} |
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392 | for e in bib: |
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393 | bibinfo[e.localName] = getTextFromNode(e) |
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394 | docinfo['bib'] = bibinfo |
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395 | |
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396 | # extract some fields (author, title, year) according to their mapping |
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397 | metaData=self.metadata.main.meta.bib |
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398 | bibtype=dom.xpath("//bib/@type") |
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399 | if bibtype and (len(bibtype)>0): |
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400 | bibtype=bibtype[0].value |
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401 | else: |
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402 | bibtype="generic" |
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403 | |
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404 | bibtype=bibtype.replace("-"," ") # wrong typesiin index meta "-" instead of " " (not wrong! ROC) |
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405 | docinfo['bib_type'] = bibtype |
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406 | bibmap=metaData.generateMappingForType(bibtype) |
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407 | # if there is no mapping bibmap is empty (mapping sometimes has empty fields) |
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408 | if len(bibmap) > 0 and len(bibmap['author'][0]) > 0: |
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409 | try: |
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410 | docinfo['author']=getTextFromNode(dom.xpath("//bib/%s"%bibmap['author'][0])[0]) |
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411 | except: pass |
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412 | try: |
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413 | docinfo['title']=getTextFromNode(dom.xpath("//bib/%s"%bibmap['title'][0])[0]) |
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414 | except: pass |
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415 | try: |
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416 | docinfo['year']=getTextFromNode(dom.xpath("//bib/%s"%bibmap['year'][0])[0]) |
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417 | except: pass |
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418 | logging.debug("documentViewer (getbibinfofromindexmeta) using mapping for %s"%bibtype) |
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419 | try: |
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420 | docinfo['lang']=getTextFromNode(dom.xpath("//bib/lang")[0]) |
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421 | except: |
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422 | docinfo['lang']='' |
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423 | |
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424 | return docinfo |
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425 | |
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426 | |
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427 | def getDocinfoFromTextTool(self,url,dom=None,docinfo=None): |
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428 | """parse texttool tag in index meta""" |
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429 | logger("documentViewer (getdocinfofromtexttool)", logging.INFO,"url: %s"%(url)) |
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430 | if docinfo is None: |
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431 | docinfo = {} |
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432 | |
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433 | if docinfo.get('lang',None) is None: |
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434 | docinfo['lang']='' # default keine Sprache gesetzt |
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435 | if dom is None: |
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436 | dom = self.getIndexMeta(url) |
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437 | |
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438 | archivePath = None |
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439 | archiveName = None |
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440 | |
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441 | archiveNames=dom.xpath("//resource/name") |
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442 | if archiveNames and (len(archiveNames)>0): |
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443 | archiveName=getTextFromNode(archiveNames[0]) |
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444 | else: |
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445 | logger("documentViewer (getdocinfofromtexttool)", logging.WARNING,"resource/name missing in: %s"%(url)) |
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446 | |
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447 | archivePaths=dom.xpath("//resource/archive-path") |
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448 | if archivePaths and (len(archivePaths)>0): |
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449 | archivePath=getTextFromNode(archivePaths[0]) |
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450 | # clean up archive path |
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451 | if archivePath[0] != '/': |
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452 | archivePath = '/' + archivePath |
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453 | if archiveName and (not archivePath.endswith(archiveName)): |
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454 | archivePath += "/" + archiveName |
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455 | else: |
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456 | # try to get archive-path from url |
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457 | logger("documentViewer (getdocinfofromtexttool)", logging.WARNING,"resource/archive-path missing in: %s"%(url)) |
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458 | if (not url.startswith('http')): |
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459 | archivePath = url.replace('index.meta', '') |
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460 | |
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461 | if archivePath is None: |
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462 | # we balk without archive-path |
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463 | raise IOError("Missing archive-path (for text-tool) in %s"%(url)) |
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464 | |
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465 | imageDirs=dom.xpath("//texttool/image") |
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466 | if imageDirs and (len(imageDirs)>0): |
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467 | imageDir=getTextFromNode(imageDirs[0]) |
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468 | else: |
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469 | # we balk with no image tag / not necessary anymore because textmode is now standard |
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470 | #raise IOError("No text-tool info in %s"%(url)) |
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471 | imageDir="" |
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472 | docinfo['numPages']=1 # im moment einfach auf eins setzen, navigation ueber die thumbs geht natuerlich nicht |
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473 | |
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474 | docinfo['imagePath'] = "" # keine Bilder |
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475 | docinfo['imageURL'] = "" |
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476 | |
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477 | if imageDir and archivePath: |
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478 | #print "image: ", imageDir, " archivepath: ", archivePath |
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479 | imageDir=os.path.join(archivePath,imageDir) |
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480 | imageDir=imageDir.replace("/mpiwg/online",'') |
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481 | docinfo=self.getDirinfoFromDigilib(imageDir,docinfo=docinfo) |
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482 | docinfo['imagePath'] = imageDir |
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483 | |
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484 | docinfo['imageURL'] = self.digilibBaseUrl+"/servlet/Scaler?fn="+imageDir |
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485 | |
---|
486 | viewerUrls=dom.xpath("//texttool/digiliburlprefix") |
---|
487 | if viewerUrls and (len(viewerUrls)>0): |
---|
488 | viewerUrl=getTextFromNode(viewerUrls[0]) |
---|
489 | docinfo['viewerURL'] = viewerUrl |
---|
490 | |
---|
491 | textUrls=dom.xpath("//texttool/text") |
---|
492 | if textUrls and (len(textUrls)>0): |
---|
493 | textUrl=getTextFromNode(textUrls[0]) |
---|
494 | if urlparse.urlparse(textUrl)[0]=="": #keine url |
---|
495 | textUrl=os.path.join(archivePath,textUrl) |
---|
496 | # fix URLs starting with /mpiwg/online |
---|
497 | if textUrl.startswith("/mpiwg/online"): |
---|
498 | textUrl = textUrl.replace("/mpiwg/online",'',1) |
---|
499 | |
---|
500 | docinfo['textURL'] = textUrl |
---|
501 | |
---|
502 | presentationUrls=dom.xpath("//texttool/presentation") |
---|
503 | docinfo = self.getBibinfoFromIndexMeta(url,docinfo=docinfo,dom=dom) # get info von bib tag |
---|
504 | |
---|
505 | if presentationUrls and (len(presentationUrls)>0): # ueberschreibe diese durch presentation informationen |
---|
506 | # presentation url ergiebt sich ersetzen von index.meta in der url der fuer die Metadaten |
---|
507 | # durch den relativen Pfad auf die presentation infos |
---|
508 | presentationUrl=url.replace('index.meta',getTextFromNode(presentationUrls[0])) |
---|
509 | docinfo = self.getBibinfoFromTextToolPresentation(presentationUrl,docinfo=docinfo,dom=dom) |
---|
510 | |
---|
511 | docinfo = self.getAuthinfoFromIndexMeta(url,docinfo=docinfo,dom=dom) # get access info |
---|
512 | return docinfo |
---|
513 | |
---|
514 | |
---|
515 | def getBibinfoFromTextToolPresentation(self,url,docinfo=None,dom=None): |
---|
516 | """gets the bibliographical information from the preseantion entry in texttools |
---|
517 | """ |
---|
518 | dom=self.getPresentationInfoXML(url) |
---|
519 | try: |
---|
520 | docinfo['author']=getTextFromNode(dom.xpath("//author")[0]) |
---|
521 | except: |
---|
522 | pass |
---|
523 | try: |
---|
524 | docinfo['title']=getTextFromNode(dom.xpath("//title")[0]) |
---|
525 | except: |
---|
526 | pass |
---|
527 | try: |
---|
528 | docinfo['year']=getTextFromNode(dom.xpath("//date")[0]) |
---|
529 | except: |
---|
530 | pass |
---|
531 | return docinfo |
---|
532 | |
---|
533 | def getDocinfoFromImagePath(self,path,docinfo=None,cut=0): |
---|
534 | """path ist the path to the images it assumes that the index.meta file is one level higher.""" |
---|
535 | logger("documentViewer (getdocinfofromimagepath)", logging.INFO,"path: %s"%(path)) |
---|
536 | if docinfo is None: |
---|
537 | docinfo = {} |
---|
538 | path=path.replace("/mpiwg/online","") |
---|
539 | docinfo['imagePath'] = path |
---|
540 | docinfo=self.getDirinfoFromDigilib(path,docinfo=docinfo,cut=cut) |
---|
541 | |
---|
542 | for x in range(cut): |
---|
543 | path=getParentDir(path) |
---|
544 | logging.error("PATH:"+path) |
---|
545 | imageUrl=self.digilibBaseUrl+"/servlet/Scaler?fn="+path |
---|
546 | docinfo['imageURL'] = imageUrl |
---|
547 | |
---|
548 | docinfo = self.getBibinfoFromIndexMeta(path,docinfo=docinfo,cut=cut) |
---|
549 | docinfo = self.getAuthinfoFromIndexMeta(path,docinfo=docinfo,cut=cut) |
---|
550 | return docinfo |
---|
551 | |
---|
552 | |
---|
553 | def getDocinfo(self, mode, url): |
---|
554 | """returns docinfo depending on mode""" |
---|
555 | logger("documentViewer (getdocinfo)", logging.INFO,"mode: %s, url: %s"%(mode,url)) |
---|
556 | # look for cached docinfo in session |
---|
557 | if self.REQUEST.SESSION.has_key('docinfo'): |
---|
558 | docinfo = self.REQUEST.SESSION['docinfo'] |
---|
559 | # check if its still current |
---|
560 | if docinfo is not None and docinfo.get('mode') == mode and docinfo.get('url') == url: |
---|
561 | logger("documentViewer (getdocinfo)", logging.INFO,"docinfo in session: %s"%docinfo) |
---|
562 | return docinfo |
---|
563 | # new docinfo |
---|
564 | docinfo = {'mode': mode, 'url': url} |
---|
565 | if mode=="texttool": #index.meta with texttool information |
---|
566 | docinfo = self.getDocinfoFromTextTool(url, docinfo=docinfo) |
---|
567 | elif mode=="imagepath": |
---|
568 | docinfo = self.getDocinfoFromImagePath(url, docinfo=docinfo) |
---|
569 | elif mode=="filepath": |
---|
570 | docinfo = self.getDocinfoFromImagePath(url, docinfo=docinfo,cut=1) |
---|
571 | else: |
---|
572 | logger("documentViewer (getdocinfo)", logging.ERROR,"unknown mode!") |
---|
573 | raise ValueError("Unknown mode %s"%(mode)) |
---|
574 | |
---|
575 | logger("documentViewer (getdocinfo)", logging.INFO,"docinfo: %s"%docinfo) |
---|
576 | self.REQUEST.SESSION['docinfo'] = docinfo |
---|
577 | return docinfo |
---|
578 | |
---|
579 | |
---|
580 | def getPageinfo(self, current, start=None, rows=None, cols=None, docinfo=None): |
---|
581 | """returns pageinfo with the given parameters""" |
---|
582 | pageinfo = {} |
---|
583 | current = getInt(current) |
---|
584 | pageinfo['current'] = current |
---|
585 | rows = int(rows or self.thumbrows) |
---|
586 | pageinfo['rows'] = rows |
---|
587 | cols = int(cols or self.thumbcols) |
---|
588 | pageinfo['cols'] = cols |
---|
589 | grpsize = cols * rows |
---|
590 | pageinfo['groupsize'] = grpsize |
---|
591 | start = getInt(start, default=(math.ceil(float(current)/float(grpsize))*grpsize-(grpsize-1))) |
---|
592 | # int(current / grpsize) * grpsize +1)) |
---|
593 | pageinfo['start'] = start |
---|
594 | pageinfo['end'] = start + grpsize |
---|
595 | if docinfo is not None: |
---|
596 | np = int(docinfo['numPages']) |
---|
597 | pageinfo['end'] = min(pageinfo['end'], np) |
---|
598 | pageinfo['numgroups'] = int(np / grpsize) |
---|
599 | if np % grpsize > 0: |
---|
600 | pageinfo['numgroups'] += 1 |
---|
601 | |
---|
602 | return pageinfo |
---|
603 | |
---|
604 | def text(self,mode,url,pn): |
---|
605 | """give text""" |
---|
606 | if mode=="texttool": #index.meta with texttool information |
---|
607 | (viewerUrl,imagepath,textpath)=parseUrlTextTool(url) |
---|
608 | |
---|
609 | #print textpath |
---|
610 | try: |
---|
611 | dom = NonvalidatingReader.parseUri(textpath) |
---|
612 | except: |
---|
613 | return None |
---|
614 | |
---|
615 | list=[] |
---|
616 | nodes=dom.xpath("//pb") |
---|
617 | |
---|
618 | node=nodes[int(pn)-1] |
---|
619 | |
---|
620 | p=node |
---|
621 | |
---|
622 | while p.tagName!="p": |
---|
623 | p=p.parentNode |
---|
624 | |
---|
625 | |
---|
626 | endNode=nodes[int(pn)] |
---|
627 | |
---|
628 | |
---|
629 | e=endNode |
---|
630 | |
---|
631 | while e.tagName!="p": |
---|
632 | e=e.parentNode |
---|
633 | |
---|
634 | |
---|
635 | next=node.parentNode |
---|
636 | |
---|
637 | #sammle s |
---|
638 | while next and (next!=endNode.parentNode): |
---|
639 | list.append(next) |
---|
640 | next=next.nextSibling |
---|
641 | list.append(endNode.parentNode) |
---|
642 | |
---|
643 | if p==e:# beide im selben paragraphen |
---|
644 | pass |
---|
645 | # else: |
---|
646 | # next=p |
---|
647 | # while next!=e: |
---|
648 | # print next,e |
---|
649 | # list.append(next) |
---|
650 | # next=next.nextSibling |
---|
651 | # |
---|
652 | # for x in list: |
---|
653 | # PrettyPrint(x) |
---|
654 | # |
---|
655 | # return list |
---|
656 | # |
---|
657 | |
---|
658 | def findDigilibUrl(self): |
---|
659 | """try to get the digilib URL from zogilib""" |
---|
660 | url = self.imageViewerUrl[:-1] + "/getScalerUrl" |
---|
661 | #print urlparse.urlparse(url)[0] |
---|
662 | #print urlparse.urljoin(self.absolute_url(),url) |
---|
663 | logging.info("finddigiliburl: %s"%urlparse.urlparse(url)[0]) |
---|
664 | logging.info("finddigiliburl: %s"%urlparse.urljoin(self.absolute_url(),url)) |
---|
665 | |
---|
666 | try: |
---|
667 | if urlparse.urlparse(url)[0]=='': #relative path |
---|
668 | url=urlparse.urljoin(self.absolute_url()+"/",url) |
---|
669 | |
---|
670 | scaler = urlopen(url).read() |
---|
671 | return scaler.replace("/servlet/Scaler?", "") |
---|
672 | except: |
---|
673 | return None |
---|
674 | |
---|
675 | def changeDocumentViewer(self,imageViewerUrl,textViewerUrl,title="",digilibBaseUrl=None,thumbrows=2,thumbcols=10,authgroups='mpiwg',RESPONSE=None): |
---|
676 | """init document viewer""" |
---|
677 | self.title=title |
---|
678 | self.imageViewerUrl=imageViewerUrl |
---|
679 | self.textViewerUrl=textViewerUrl |
---|
680 | self.digilibBaseUrl = digilibBaseUrl |
---|
681 | self.thumbrows = thumbrows |
---|
682 | self.thumbcols = thumbcols |
---|
683 | self.authgroups = [s.strip().lower() for s in authgroups.split(',')] |
---|
684 | if RESPONSE is not None: |
---|
685 | RESPONSE.redirect('manage_main') |
---|
686 | |
---|
687 | |
---|
688 | |
---|
689 | |
---|
690 | # security.declareProtected('View management screens','renameImageForm') |
---|
691 | |
---|
692 | def manage_AddDocumentViewerForm(self): |
---|
693 | """add the viewer form""" |
---|
694 | pt=PageTemplateFile('zpt/addDocumentViewer', globals()).__of__(self) |
---|
695 | return pt() |
---|
696 | |
---|
697 | def manage_AddDocumentViewer(self,id,imageViewerUrl="",textViewerUrl="",title="",RESPONSE=None): |
---|
698 | """add the viewer""" |
---|
699 | newObj=documentViewer(id,imageViewerUrl,title=title,textViewerUrl=textViewerUrl) |
---|
700 | self._setObject(id,newObj) |
---|
701 | |
---|
702 | if RESPONSE is not None: |
---|
703 | RESPONSE.redirect('manage_main') |
---|
704 | |
---|
705 | |
---|
706 | ## |
---|
707 | ## DocumentViewerTemplate class |
---|
708 | ## |
---|
709 | class DocumentViewerTemplate(ZopePageTemplate): |
---|
710 | """Template for document viewer""" |
---|
711 | meta_type="DocumentViewer Template" |
---|
712 | |
---|
713 | |
---|
714 | def manage_addDocumentViewerTemplateForm(self): |
---|
715 | """Form for adding""" |
---|
716 | pt=PageTemplateFile('zpt/addDocumentViewerTemplate', globals()).__of__(self) |
---|
717 | return pt() |
---|
718 | |
---|
719 | def manage_addDocumentViewerTemplate(self, id='viewer_main', title=None, text=None, |
---|
720 | REQUEST=None, submit=None): |
---|
721 | "Add a Page Template with optional file content." |
---|
722 | |
---|
723 | self._setObject(id, DocumentViewerTemplate(id)) |
---|
724 | ob = getattr(self, id) |
---|
725 | txt=file(os.path.join(package_home(globals()),'zpt/viewer_main.zpt'),'r').read() |
---|
726 | logging.info("txt %s:"%txt) |
---|
727 | ob.pt_edit(txt,"text/html") |
---|
728 | if title: |
---|
729 | ob.pt_setTitle(title) |
---|
730 | try: |
---|
731 | u = self.DestinationURL() |
---|
732 | except AttributeError: |
---|
733 | u = REQUEST['URL1'] |
---|
734 | |
---|
735 | u = "%s/%s" % (u, urllib.quote(id)) |
---|
736 | REQUEST.RESPONSE.redirect(u+'/manage_main') |
---|
737 | return '' |
---|
738 | |
---|
739 | |
---|
740 | |
---|