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564
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1 from OFS.SimpleItem import SimpleItem
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2 from Products.PageTemplates.PageTemplateFile import PageTemplateFile
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3
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4 import xml.etree.ElementTree as ET
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5
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6 import re
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7 import logging
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8 import urllib
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9 import urlparse
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10 import base64
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11
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12 from SrvTxtUtils import getInt, getText, getHttpData
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13
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14 def serialize(node):
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15 """returns a string containing an XML snippet of node"""
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16 s = ET.tostring(node, 'UTF-8')
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17 # snip off XML declaration
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18 if s.startswith('<?xml'):
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19 i = s.find('?>')
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20 return s[i+3:]
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21
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22 return s
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23
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24
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25 class MpiwgXmlTextServer(SimpleItem):
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26 """TextServer implementation for MPIWG-XML server"""
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27 meta_type="MPIWG-XML TextServer"
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28
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29 manage_options=(
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30 {'label':'Config','action':'manage_changeMpiwgXmlTextServerForm'},
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31 )+SimpleItem.manage_options
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32
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33 manage_changeMpiwgXmlTextServerForm = PageTemplateFile("zpt/manage_changeMpiwgXmlTextServer", globals())
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34
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35 def __init__(self,id,title="",serverUrl="http://mpdl-text.mpiwg-berlin.mpg.de/mpiwg-mpdl-cms-web/", timeout=40, serverName=None, repositoryType='production'):
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36 """constructor"""
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37 self.id=id
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38 self.title=title
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39 self.timeout = timeout
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40 self.repositoryType = repositoryType
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41 if serverName is None:
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42 self.serverUrl = serverUrl
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43 else:
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44 self.serverUrl = "http://%s/mpiwg-mpdl-cms-web/"%serverName
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45
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46 def getHttpData(self, url, data=None):
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47 """returns result from url+data HTTP request"""
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48 return getHttpData(url,data,timeout=self.timeout)
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49
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50 def getServerData(self, method, data=None):
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51 """returns result from text server for method+data"""
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52 url = self.serverUrl+method
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53 return getHttpData(url,data,timeout=self.timeout)
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54
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55
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56 def getRepositoryType(self):
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57 """returns the repository type, e.g. 'production'"""
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58 return self.repositoryType
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59
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60 def getTextDownloadUrl(self, type='xml', docinfo=None):
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61 """returns a URL to download the current text"""
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62 docpath = docinfo.get('textURLPath', None)
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63 if not docpath:
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64 return None
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65
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66 docpath = docpath.replace('.xml','.'+type)
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67 url = '%sdoc/GetDocument?id=%s'%(self.serverUrl.replace('interface/',''), docpath)
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68 return url
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69
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70
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71 def getPlacesOnPage(self, docinfo=None, pn=None):
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72 """Returns list of GIS places of page pn"""
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73 #FIXME!
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74 docpath = docinfo.get('textURLPath',None)
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75 if not docpath:
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76 return None
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77
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78 places=[]
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79 text=self.getServerData("xpath.xql", "document=%s&xpath=//place&pn=%s"%(docpath,pn))
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80 dom = ET.fromstring(text)
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81 result = dom.findall(".//resultPage/place")
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82 for l in result:
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83 id = l.get("id")
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84 name = l.text
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85 place = {'id': id, 'name': name}
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86 places.append(place)
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87
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88 return places
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89
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90
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565
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91 def getTextInfo(self, mode=None, docinfo=None):
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564
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92 """reads document info, including page concordance, from text server"""
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93 logging.debug("getTextInfo mode=%s"%mode)
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565
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94
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95 field = ''
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568
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96 if mode in ['pages', 'toc', 'figures', 'handwritten']:
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565
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97 # translate mode to field param
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98 field = '&field=%s'%mode
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99 else:
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100 mode = None
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101
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564
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102 # check cached info
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103 if mode:
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104 # cached toc-request?
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105 if 'full_%s'%mode in docinfo:
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106 return docinfo
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107
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108 else:
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565
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109 # cached but no toc-request?
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564
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110 if 'numTextPages' in docinfo:
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111 return docinfo
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112
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113 docpath = docinfo.get('textURLPath', None)
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114 if docpath is None:
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115 logging.error("getTextInfo: no textURLPath!")
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116 return docinfo
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117
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118 # fetch docinfo
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565
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119 pagexml = self.getServerData("query/GetDocInfo","docId=%s%s"%(docpath,field))
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564
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120 dom = ET.fromstring(pagexml)
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565
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121 # all info in tag <doc>
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122 doc = dom
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564
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123 if doc is None:
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124 logging.error("getTextInfo: unable to find document-tag!")
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125 else:
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565
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126 if mode is None:
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127 # get general info from system-tag
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568
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128 sys = doc.find('system')
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129 if sys is not None:
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130 docinfo['numTextPages'] = getInt(getText(sys.find('countPages')))
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131 docinfo['numFigureEntries'] = getInt(getText(sys.find('countFigures')))
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132 docinfo['numHandwritten'] = getInt(getText(sys.find('countHandwritten')))
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133 docinfo['numTocEntries'] = getInt(getText(sys.find('countTocEntries')))
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565
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134
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135 else:
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136 # result is in list-tag
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137 l = doc.find('list')
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138 if l is not None:
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139 lt = l.get('type')
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140 # pageNumbers
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141 if lt == 'pages':
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142 # contains tags with page numbers
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143 # <item n="14" o="2" o-norm="2" file="0014"/>
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144 # n=scan number, o=original page no, on=normalized original page no
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145 # pageNumbers is a dict indexed by scan number
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146 pages = {}
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147 for i in l:
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148 page = {}
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149 pn = getInt(i.get('n'))
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150 page['pn'] = pn
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568
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151 no = i.get('o')
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565
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152 page['no'] = no
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568
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153 non = i.get('o-norm')
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565
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154 page['non'] = non
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155
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156 if pn > 0:
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157 pages[pn] = page
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158
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159 docinfo['pageNumbers'] = pages
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160 logging.debug("got pageNumbers=%s"%repr(pages))
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161
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162 # toc
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568
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163 elif lt == 'toc' or lt == 'figures' or lt == 'handwritten':
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565
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164 # contains tags with table of contents/figures
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568
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165 # <item n="2.1." lv="2">CAP.I. <ref o="119">132</ref></item>
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565
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166 tocs = []
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568
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167 for te in l:
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168 if te.tag == 'item':
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169 toc = {}
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170 toc['level-string'] = te.get('n')
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171 toc['level'] = te.get('lv')
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172 toc['content'] = te.text.strip()
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173 ref = te.find('ref')
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174 toc['pn'] = getInt(ref.text)
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175 toc['no'] = ref.get('o')
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176 toc['non'] = ref.get('o-norm')
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177 tocs.append(toc)
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564
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178
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565
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179 # save as full_toc/full_figures
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180 docinfo['full_%s'%mode] = tocs
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564
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181
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182 return docinfo
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183
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184
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185 def getTextPage(self, mode="text", pn=1, docinfo=None, pageinfo=None):
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186 """returns single page from fulltext"""
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187
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188 logging.debug("getTextPage mode=%s, pn=%s"%(mode,pn))
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189 # check for cached text -- but ideally this shouldn't be called twice
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190 if pageinfo.has_key('textPage'):
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191 logging.debug("getTextPage: using cached text")
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192 return pageinfo['textPage']
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193
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194 docpath = docinfo.get('textURLPath', None)
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195 if not docpath:
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196 return None
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197
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198 # just checking
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199 if pageinfo['current'] != pn:
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200 logging.warning("getTextPage: current!=pn!")
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201
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202 # stuff for constructing full urls
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203 selfurl = docinfo['viewerUrl']
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204 textParams = {'docId': docpath,
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205 'page': pn}
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565
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206
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564
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207 if 'characterNormalization' in pageinfo:
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565
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208 cn = pageinfo['characterNormalization']
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209 # TODO: change values in form
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210 if cn == 'regPlusNorm':
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211 cn = 'norm'
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212
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213 textParams['normalization'] = cn
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564
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214
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215 if not mode:
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216 # default is dict
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217 mode = 'text'
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218
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219 modes = mode.split(',')
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220 # check for multiple layers
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221 if len(modes) > 1:
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222 logging.debug("getTextPage: more than one mode=%s"%mode)
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223
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224 # search mode
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225 if 'search' in modes:
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226 # add highlighting
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227 highlightQuery = pageinfo.get('highlightQuery', None)
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228 if highlightQuery:
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229 textParams['highlightQuery'] = highlightQuery
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230 textParams['highlightElem'] = pageinfo.get('highlightElement', '')
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231 textParams['highlightElemPos'] = pageinfo.get('highlightElementPos', '')
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232
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233 # ignore mode in the following
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234 modes.remove('search')
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235
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236 # pundit mode
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237 punditMode = False
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238 if 'pundit' in modes:
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239 punditMode = True
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240 # ignore mode in the following
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241 modes.remove('pundit')
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242
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243 # other modes don't combine
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244 if 'dict' in modes:
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245 textmode = 'dict'
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246 textParams['mode'] = 'tokenized'
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247 textParams['outputFormat'] = 'html'
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248 elif 'xml' in modes:
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249 textmode = 'xml'
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250 textParams['mode'] = 'untokenized'
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251 textParams['outputFormat'] = 'xmlDisplay'
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252 textParams['normalization'] = 'orig'
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253 elif 'gis' in modes:
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254 #FIXME!
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255 textmode = 'gis'
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256 else:
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257 # text is default mode
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258 textmode = 'text'
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259 textParams['mode'] = 'untokenized'
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260 textParams['outputFormat'] = 'html'
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261
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565
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262 try:
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570
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263 # fetch the page
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264 pagexml = self.getServerData("query/GetPage",urllib.urlencode(textParams))
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565
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265 dom = ET.fromstring(pagexml)
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266 except Exception, e:
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570
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267 logging.error("Error reading page: %s"%e)
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565
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268 return None
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269
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564
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270 pagediv = None
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271 body = dom.find('.//body')
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272 if body is None:
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273 logging.error("getTextPage: no body!")
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274 return None
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275
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565
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276 # the text is in div@class=text
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277 pagediv = body.find(".//div[@class='text']")
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278 logging.debug("pagediv: %s"%repr(pagediv))
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564
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279
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566
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280 # plain text or text-with-links mode
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281 if textmode == "text" or textmode == "dict":
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564
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282 if pagediv is not None:
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567
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283 #self._processPbTag(pagediv, pageinfo)
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566
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284 self._processFigures(pagediv, docinfo)
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285 #self._fixEmptyDivs(pagediv)
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565
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286 # get full url assuming documentViewer is parent
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287 selfurl = self.getLink()
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564
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288 # check all a-tags
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289 links = pagediv.findall('.//a')
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290 for l in links:
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291 href = l.get('href')
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292 if href:
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293 # is link with href
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294 linkurl = urlparse.urlparse(href)
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295 if linkurl.path.endswith('GetDictionaryEntries'):
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296 #TODO: replace wordInfo page
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297 # is dictionary link - change href (keeping parameters)
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298 #l.set('href', href.replace('http://mpdl-proto.mpiwg-berlin.mpg.de/mpdl/interface/lt/wordInfo.xql','%s/template/viewer_wordinfo'%viewerurl))
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299 # add target to open new page
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300 l.set('target', '_blank')
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301
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566
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302 elif href.startswith('#note-'):
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303 # note link FIXME!
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564
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304 l.set('href', href.replace('#note-',"%s#note-"%selfurl))
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566
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305
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306 if punditMode:
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307 self._addPunditAttributes(pagediv, pageinfo, docinfo)
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308
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564
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309 return serialize(pagediv)
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310
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311 # xml mode
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312 elif textmode == "xml":
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313 if pagediv is not None:
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314 return serialize(pagediv)
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315
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316 # pureXml mode WTF?
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317 elif textmode == "pureXml":
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318 if pagediv is not None:
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319 return serialize(pagediv)
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320
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566
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321 # gis mode FIXME!
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564
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322 elif textmode == "gis":
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323 if pagediv is not None:
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324 # fix empty div tags
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565
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325 self._fixEmptyDivs(pagediv)
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564
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326 # check all a-tags
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327 links = pagediv.findall(".//a")
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328 # add our URL as backlink
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329 selfurl = self.getLink()
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330 doc = base64.b64encode(selfurl)
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331 for l in links:
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332 href = l.get('href')
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333 if href:
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334 if href.startswith('http://mappit.mpiwg-berlin.mpg.de'):
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335 l.set('href', re.sub(r'doc=[\w+/=]+', 'doc=%s'%doc, href))
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336 l.set('target', '_blank')
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337
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338 return serialize(pagediv)
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339
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340 return None
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565
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341
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566
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342 def _processPbTag(self, pagediv, pageinfo):
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565
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343 """extracts information from pb-tag and removes it from pagediv"""
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344 pbdiv = pagediv.find(".//span[@class='pb']")
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345 if pbdiv is None:
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346 logging.warning("getTextPage: no pb-span!")
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347 return pagediv
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348
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349 # extract running head
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350 rh = pbdiv.find(".//span[@class='rhead']")
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351 if rh is not None:
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352 pageinfo['pageHeaderTitle'] = getText(rh)
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353
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354 # remove pb-div from parent
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355 ppdiv = pagediv.find(".//span[@class='pb']/..")
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356 ppdiv.remove(pbdiv)
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357 return pagediv
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564
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358
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565
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359 def _addPunditAttributes(self, pagediv, pageinfo, docinfo):
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564
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360 """add about attributes for pundit annotation tool"""
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361 textid = docinfo.get('DRI', "fn=%s"%docinfo.get('documentPath', '???'))
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362 pn = pageinfo.get('pn', '1')
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363 # TODO: use pn as well?
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364 # check all div-tags
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365 divs = pagediv.findall(".//div")
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366 for d in divs:
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367 id = d.get('id')
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368 if id:
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566
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369 # TODO: check path (cf RFC2396)
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564
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370 d.set('about', "http://echo.mpiwg-berlin.mpg.de/%s/pn=%s/#%s"%(textid,pn,id))
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371 cls = d.get('class','')
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372 cls += ' pundit-content'
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373 d.set('class', cls.strip())
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374
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375 return pagediv
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376
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566
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377 def _processFigures(self, pagediv, docinfo):
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378 """processes figure-tags"""
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379 divs = pagediv.findall(".//span[@class='figure']")
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380 scalerUrl = docinfo['digilibScalerUrl']
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381 viewerUrl = docinfo['digilibViewerUrl']
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382 for d in divs:
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383 try:
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384 a = d.find('a')
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385 img = a.find('img')
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386 imgsrc = img.get('src')
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387 imgurl = urlparse.urlparse(imgsrc)
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388 imgq = imgurl.query
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389 imgparams = urlparse.parse_qs(imgq)
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390 fn = imgparams.get('fn', None)
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391 if fn is not None:
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392 # parse_qs puts parameters in lists
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393 fn = fn[0]
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394 # TODO: check valid path
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395 # fix img@src
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396 newsrc = '%s?fn=%s&dw=200&dh=200'%(scalerUrl,fn)
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397 img.set('src', newsrc)
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398 # fix a@href
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399 newlink = '%s?fn=%s'%(viewerUrl,fn)
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400 a.set('href', newlink)
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401 a.set('target', '_blank')
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402
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403 except:
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404 logging.warn("processFigures: strange figure!")
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405
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406
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565
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407 def _fixEmptyDivs(self, pagediv):
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408 """fixes empty div-tags by inserting a space"""
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409 divs = pagediv.findall('.//div')
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410 for d in divs:
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411 if len(d) == 0 and not d.text:
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412 # make empty divs non-empty
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413 d.text = ' '
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414
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415 return pagediv
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416
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417
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564
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418 def getSearchResults(self, mode, query=None, pageinfo=None, docinfo=None):
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419 """loads list of search results and stores XML in docinfo"""
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420
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421 logging.debug("getSearchResults mode=%s query=%s"%(mode, query))
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422 if mode == "none":
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423 return docinfo
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424
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568
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425 #TODO: put mode into query
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426
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564
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427 cachedQuery = docinfo.get('cachedQuery', None)
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428 if cachedQuery is not None:
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429 # cached search result
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430 if cachedQuery == '%s_%s'%(mode,query):
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431 # same query
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432 return docinfo
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433
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434 else:
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435 # different query
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436 del docinfo['resultSize']
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568
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437 del docinfo['results']
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564
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438
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439 # cache query
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440 docinfo['cachedQuery'] = '%s_%s'%(mode,query)
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441
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442 # fetch full results
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443 docpath = docinfo['textURLPath']
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568
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444 params = {'docId': docpath,
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564
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445 'query': query,
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568
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446 'pageSize': 1000,
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447 'page': 1,
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448 'outputFormat': 'html'}
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449 pagexml = self.getServerData("query/QueryDocument",urllib.urlencode(params))
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450 results = []
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451 try:
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452 dom = ET.fromstring(pagexml)
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453 # page content is currently in multiple <td align=left>
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454 alldivs = dom.findall(".//td[@align='left']")
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455 for div in alldivs:
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456 # TODO: can we put etree in the session?
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457 results.append(div)
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458
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459 except Exception, e:
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460 logging.error("GetSearchResults: Error parsing search result: %s"%e)
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564
|
461
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568
|
462 # store results in docinfo
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463 docinfo['resultSize'] = len(results)
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464 docinfo['results'] = results
|
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564
|
465
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|
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466 return docinfo
|
|
|
467
|
|
|
468
|
|
|
469 def getResultsPage(self, mode="text", query=None, pn=None, start=None, size=None, pageinfo=None, docinfo=None):
|
|
|
470 """returns single page from the table of contents"""
|
|
|
471 logging.debug("getResultsPage mode=%s, pn=%s"%(mode,pn))
|
|
|
472 # get (cached) result
|
|
|
473 self.getSearchResults(mode=mode, query=query, pageinfo=pageinfo, docinfo=docinfo)
|
|
|
474
|
|
568
|
475 resultxml = docinfo.get('results', None)
|
|
564
|
476 if not resultxml:
|
|
568
|
477 logging.error("getResultPage: unable to find results")
|
|
564
|
478 return "Error: no result!"
|
|
|
479
|
|
|
480 if size is None:
|
|
|
481 size = pageinfo.get('resultPageSize', 10)
|
|
|
482
|
|
|
483 if start is None:
|
|
|
484 start = (pn - 1) * size
|
|
|
485
|
|
|
486 fullresult = ET.fromstring(resultxml)
|
|
|
487
|
|
|
488 if fullresult is not None:
|
|
|
489 # paginate
|
|
|
490 first = start-1
|
|
|
491 len = size
|
|
|
492 del fullresult[:first]
|
|
|
493 del fullresult[len:]
|
|
|
494 tocdivs = fullresult
|
|
|
495
|
|
|
496 # check all a-tags
|
|
|
497 links = tocdivs.findall(".//a")
|
|
|
498 for l in links:
|
|
|
499 href = l.get('href')
|
|
|
500 if href:
|
|
|
501 # assume all links go to pages
|
|
|
502 linkUrl = urlparse.urlparse(href)
|
|
|
503 linkParams = urlparse.parse_qs(linkUrl.query)
|
|
|
504 # take some parameters
|
|
|
505 params = {'pn': linkParams['pn'],
|
|
|
506 'highlightQuery': linkParams.get('highlightQuery',''),
|
|
|
507 'highlightElement': linkParams.get('highlightElement',''),
|
|
|
508 'highlightElementPos': linkParams.get('highlightElementPos','')
|
|
|
509 }
|
|
|
510 url = self.getLink(params=params)
|
|
|
511 l.set('href', url)
|
|
|
512
|
|
|
513 return serialize(tocdivs)
|
|
|
514
|
|
|
515 return "ERROR: no results!"
|
|
|
516
|
|
|
517
|
|
|
518 def getToc(self, mode='text', docinfo=None):
|
|
|
519 """returns list of table of contents from docinfo"""
|
|
|
520 logging.debug("getToc mode=%s"%mode)
|
|
|
521 if mode == 'text':
|
|
|
522 queryType = 'toc'
|
|
|
523 else:
|
|
|
524 queryType = mode
|
|
|
525
|
|
|
526 if not 'full_%s'%queryType in docinfo:
|
|
|
527 # get new toc
|
|
|
528 docinfo = self.getTextInfo(queryType, docinfo)
|
|
|
529
|
|
|
530 return docinfo.get('full_%s'%queryType, [])
|
|
|
531
|
|
568
|
532
|
|
564
|
533 def getTocPage(self, mode='text', pn=None, start=None, size=None, pageinfo=None, docinfo=None):
|
|
|
534 """returns single page from the table of contents"""
|
|
|
535 logging.debug("getTocPage mode=%s, pn=%s start=%s size=%s"%(mode,repr(pn),repr(start),repr(size)))
|
|
|
536 fulltoc = self.getToc(mode=mode, docinfo=docinfo)
|
|
|
537 if len(fulltoc) < 1:
|
|
|
538 logging.error("getTocPage: unable to find toc!")
|
|
|
539 return "Error: no table of contents!"
|
|
|
540
|
|
|
541 if size is None:
|
|
|
542 size = pageinfo.get('tocPageSize', 30)
|
|
|
543
|
|
|
544 if start is None:
|
|
|
545 start = (pn - 1) * size
|
|
|
546
|
|
|
547 # paginate
|
|
|
548 first = (start - 1)
|
|
|
549 last = first + size
|
|
|
550 tocs = fulltoc[first:last]
|
|
|
551 tp = '<div>'
|
|
|
552 for toc in tocs:
|
|
|
553 pageurl = self.getLink('pn', toc['pn'])
|
|
|
554 tp += '<div class="tocline">'
|
|
568
|
555 content = toc['content']
|
|
|
556 if content:
|
|
|
557 tp += '<div class="toc name">[%s] %s</div>'%(toc['level-string'], toc['content'])
|
|
|
558 else:
|
|
|
559 tp += '<div class="toc name">[Figure %s]</div>'%(toc['level-string'])
|
|
|
560
|
|
|
561 if toc.get('no', None):
|
|
|
562 tp += '<div class="toc page"><a href="%s">Page: %s (%s)</a></div>'%(pageurl, toc['pn'], toc['no'])
|
|
|
563 else:
|
|
|
564 tp += '<div class="toc page"><a href="%s">Page: %s</a></div>'%(pageurl, toc['pn'])
|
|
|
565
|
|
564
|
566 tp += '</div>\n'
|
|
|
567
|
|
|
568 tp += '</div>\n'
|
|
|
569
|
|
|
570 return tp
|
|
|
571
|
|
|
572
|
|
|
573 def manage_changeMpiwgXmlTextServer(self,title="",serverUrl="http://mpdl-text.mpiwg-berlin.mpg.de/mpdl/interface/",timeout=40,repositoryType=None,RESPONSE=None):
|
|
|
574 """change settings"""
|
|
|
575 self.title=title
|
|
|
576 self.timeout = timeout
|
|
|
577 self.serverUrl = serverUrl
|
|
|
578 if repositoryType:
|
|
|
579 self.repositoryType = repositoryType
|
|
|
580 if RESPONSE is not None:
|
|
|
581 RESPONSE.redirect('manage_main')
|
|
|
582
|
|
|
583 # management methods
|
|
|
584 def manage_addMpiwgXmlTextServerForm(self):
|
|
|
585 """Form for adding"""
|
|
|
586 pt = PageTemplateFile("zpt/manage_addMpiwgXmlTextServer", globals()).__of__(self)
|
|
|
587 return pt()
|
|
|
588
|
|
|
589 def manage_addMpiwgXmlTextServer(self,id,title="",serverUrl="http://mpdl-text.mpiwg-berlin.mpg.de/mpdl/interface/",timeout=40,RESPONSE=None):
|
|
|
590 #def manage_addMpiwgXmlTextServer(self,id,title="",serverUrl="http://mpdl-text.mpiwg-berlin.mpg.de:30030/mpdl/interface/",timeout=40,RESPONSE=None):
|
|
|
591 """add zogiimage"""
|
|
|
592 newObj = MpiwgXmlTextServer(id=id,title=title,serverUrl=serverUrl,timeout=timeout)
|
|
|
593 self.Destination()._setObject(id, newObj)
|
|
|
594 if RESPONSE is not None:
|
|
|
595 RESPONSE.redirect('manage_main')
|
|
|
596
|
|
|
597 |
