annotate MetaDataFolder.py @ 9:eeaad777d3d7

more work for non-bib metadata
author casties
date Thu, 28 Jul 2011 18:08:58 +0200
parents 4cd862bf37a3
children 68bc459c9f59
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1 from OFS.Folder import Folder
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2 from Products.PageTemplates.PageTemplateFile import PageTemplateFile
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3 from Globals import package_home
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4 from AccessControl import ClassSecurityInfo
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5 import os.path
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6 import urlparse
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7 import logging
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8
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9 from MetaDataMapping import MetaDataMapping
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10 from MetaData import MetaData
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11
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12 def normalizeBibField(bt, underscore=True):
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13 """returns normalised bib type for looking up mappings"""
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14 bt = bt.strip().replace(' ', '-').lower()
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15 if underscore:
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16 bt = bt.replace('_', '-')
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17
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18 return bt
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19
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20 def OLDgetBibdataFromDom(dom):
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21 """returns dict with all elements from bib-tag"""
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22 bibinfo = {}
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23 bib = dom.find(".//meta/bib")
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24 if bib is not None:
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25 # put type in @type
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26 type = bib.get('type')
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27 bibinfo['@type'] = normalizeBibField(type)
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28 # put all subelements in dict
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29 for e in bib:
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30 bibinfo[normalizeBibField(e.tag)] = getText(e)
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31
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32 return bibinfo
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33
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34 def toString(list):
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35 ret=u""
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36
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37 for l in list:
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38 ret+=unicode(l)
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39
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40 return ret
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41
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42 def dcMetaDataToHash(mdSet):
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43 """Convenience Function for creates a hash from the DCMetadataset
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44 @param mdSet: String containing DCMetadata informmation
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45 currently only in the format getDCMetadata of this module"""
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46
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47 NSS = {
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48 'rdf': 'http://www.w3.org/1999/02/22-rdf-syntax-ns#',
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49 'dc': 'http://dublincore.org/documents/dcmi-namespace/',
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50 'owl':"http://www.w3.org/2002/07/owl#",
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51 'rdfs':"http://www.w3.org/2000/01/rdf-schema#"
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52 }
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53 ret={}
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54 import StringIO
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55 import sys
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56 buffer= StringIO.StringIO(mdSet)
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57 try:
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58 md = amara.parse(buffer,prefixes=NSS)
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59 except:
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60 logging.error("Error: %s (%s)"%(sys.exc_info()[0],sys.exc_info()[1]))
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61
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62 ret["error"]=mdSet
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63 return ret
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64
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65 ret["title"] = toString(md.xml_xpath("//dc:title/text()"))
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66 ret["creator"] =toString(md.xml_xpath("//dc:creator/text()"))
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67 ret["date"] = toString(md.xml_xpath("//dc:date/text()"))
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68
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69 return ret
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70
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71
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72 class MetaDataFolder(Folder):
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73 """provides methods for managing complete metadata structures"""
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74 meta_type='MetaDataFolder'
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75 security=ClassSecurityInfo()
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76 manage_options = Folder.manage_options+(
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77 {'label':'Main Config','action':'changeMetaDataFolderForm'},
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78 )
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79
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80 def __init__(self,id,title='',metaDataServerUrl=''):
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81 """initialize a new instance"""
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82 self.id = id
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83 self.title = title
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84 self.metaDataServerUrl = metaDataServerUrl
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85
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86
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87 def getMDFromPathOrUrl(self,path):
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88 parsedurl = urlparse.urlparse(path)
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89 if parsedurl[0] != "":
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90 # has schema (e.g. http)
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91 url=path
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92 else:
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93 # path only
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94 path = path.replace('/mpiwg/online/', '')
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95 if path.endswith("index.meta"):
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96 url = self.metaDataServerUrl%path
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97 else:
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98 url = os.path.join(self.metaDataServerUrl%path,'index.meta')
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99
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100 #logging.debug("get Metadata: %s"%url)
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101 md = getHttpData(url)
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102 return md
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103
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104 def getXmlPathData(self, xmlpath, path=None, dom=None):
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105 """returns contents of element at xmlpath as dict"""
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106 logging.error("getXmlPathData(%s)"%xmlpath)
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107 # make xmlpath relative for Zope
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108 if xmlpath[0] == '/':
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109 xmlpath = xmlpath[1:]
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110
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111 mdObj = self.restrictedTraverse(xmlpath, None)
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112 if mdObj is not None:
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113 return mdObj.getData(path=path, dom=dom)
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114 else:
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115 logging.error("getXmlPathData: MetaData element at '%s' not found!"%xmlpath)
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116 return None
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117
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118 def getTexttoolData(self, path=None, dom=None):
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119 """returns contents of texttool tag as dict"""
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120 return self.getXmlPathData('resource/meta/texttool', path=path, dom=dom)
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121
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122 def getBibData(self, path=None, dom=None):
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123 """returns contents of bib tag as dict"""
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124 return self.resource.meta.bib.getData(path=path, dom=dom)
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125
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126 def getBibMapping(self, bibtype):
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127 """returns MetaDataMapping for resource/meta/bib of bibtype"""
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128 return self.resource.meta.bib.getMapping(bibtype)
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129
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130 def getBibFields(self, bibdata):
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131 """returns dict with metadata description for bibdata"""
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132 return self.resource.meta.bib.getMapFields(bibdata)
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133
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134 def getBibMappedData(self, bibdata, allFields=False):
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135 """returns dict with metadata descriptions and data for bibdata"""
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136 return self.resource.meta.bib.getMappedData(bibdata, allFields=allFields)
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137
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138 def getDCMappedData(self, bibdata):
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139 """returns dict with DC keys and data from bibdata"""
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140 return self.resource.meta.bib.getDCMappedData(bibdata)
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141
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142 def getBibFormattedMetaData(self, path=None, dom=None, bibdata=None):
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143 """get the metadafrom server"""
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144 logging.debug("getBibFormattedMetaData(path=%s)"%path)
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145 return self.resource.meta.bib.getFormatted('metadata_template', path=path, dom=dom, data=bibdata)
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146
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147 def getBibFormattedMetaDataExtended(self,path=None, dom=None, bibdata=None):
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148 """get the metadafrom server"""
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149 logging.debug("getBibFormattedMetaDataExtended(path=%s)"%path)
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150 return self.resource.meta.bib.getFormatted('metadata_extended_template', path=path, dom=dom, data=bibdata, allFields=True)
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151
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152 def getBibFormattedLabel(self,path=None, dom=None, bibdata=None):
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153 """get the metadafrom server"""
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154 logging.debug("getBibFormattedLabel(%s)"%path)
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155 return self.resource.meta.bib.getFormatted('label_template', path=path, dom=dom, data=bibdata)
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156
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157 # compatibility
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158 getFormattedMetaData = getBibFormattedMetaData
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159 getFormattedMetaDataShort = getBibFormattedMetaData
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160 getFormattedMetaDataExtended = getBibFormattedMetaDataExtended
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161 getFormattedLabel = getBibFormattedLabel
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162
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163
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164 def getDCFormatted(self,path):
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165 """get the metadata as dc set"""
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166 logging.debug("getDCFormatted(path=%s)"%path)
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167 namespace={ 'mpiwg': "http://www.mpiwg-berlin.mpg.de/ns/mpiwg"}
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168 namespaceUsed=False
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169
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170 md = self.getMDFromPathOrUrl(path)
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171 logging.debug("MD in XML"+md)
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172 im = amara.parse(md, prefixes=namespace)
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173
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174 typePaths=im.xml_xpath('//bib/@type')
00147a1ab4ac division between MetaDataFolder and Metadata looks good now (to me :-)
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175 archimedes=False
00147a1ab4ac division between MetaDataFolder and Metadata looks good now (to me :-)
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176
00147a1ab4ac division between MetaDataFolder and Metadata looks good now (to me :-)
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diff changeset
177 if len(typePaths)<1:
00147a1ab4ac division between MetaDataFolder and Metadata looks good now (to me :-)
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178 typePaths=im.xml_xpath('//meta/archimedes') # sinderfall fuer veraltete index.meta files vom typ archimedes
00147a1ab4ac division between MetaDataFolder and Metadata looks good now (to me :-)
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179 if len(typePaths)>0:
00147a1ab4ac division between MetaDataFolder and Metadata looks good now (to me :-)
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diff changeset
180 type = "archimedes"
00147a1ab4ac division between MetaDataFolder and Metadata looks good now (to me :-)
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181 archimedes=True
00147a1ab4ac division between MetaDataFolder and Metadata looks good now (to me :-)
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diff changeset
182 else:
00147a1ab4ac division between MetaDataFolder and Metadata looks good now (to me :-)
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diff changeset
183 typePaths=im.xml_xpath('//mpiwg:bib/@type')
00147a1ab4ac division between MetaDataFolder and Metadata looks good now (to me :-)
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diff changeset
184 if len(typePaths)<1:
00147a1ab4ac division between MetaDataFolder and Metadata looks good now (to me :-)
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185 return ""
00147a1ab4ac division between MetaDataFolder and Metadata looks good now (to me :-)
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diff changeset
186 else:
00147a1ab4ac division between MetaDataFolder and Metadata looks good now (to me :-)
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diff changeset
187 namespaceUsed=True
00147a1ab4ac division between MetaDataFolder and Metadata looks good now (to me :-)
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diff changeset
188
00147a1ab4ac division between MetaDataFolder and Metadata looks good now (to me :-)
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diff changeset
189 type=unicode(typePaths[0])
00147a1ab4ac division between MetaDataFolder and Metadata looks good now (to me :-)
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190 else:
00147a1ab4ac division between MetaDataFolder and Metadata looks good now (to me :-)
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diff changeset
191 type=unicode(typePaths[0])
00147a1ab4ac division between MetaDataFolder and Metadata looks good now (to me :-)
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192 logging.info("got type:"+type)
00147a1ab4ac division between MetaDataFolder and Metadata looks good now (to me :-)
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193 try:
00147a1ab4ac division between MetaDataFolder and Metadata looks good now (to me :-)
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194 mapping=getattr(self.main.meta.bib,type.lower(),None)
00147a1ab4ac division between MetaDataFolder and Metadata looks good now (to me :-)
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195 except:
00147a1ab4ac division between MetaDataFolder and Metadata looks good now (to me :-)
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diff changeset
196 logging.error("getMetaDataFromServer no mapping for type: %s"%type)
00147a1ab4ac division between MetaDataFolder and Metadata looks good now (to me :-)
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197 return ""
00147a1ab4ac division between MetaDataFolder and Metadata looks good now (to me :-)
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diff changeset
198
00147a1ab4ac division between MetaDataFolder and Metadata looks good now (to me :-)
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diff changeset
199 try:
00147a1ab4ac division between MetaDataFolder and Metadata looks good now (to me :-)
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diff changeset
200 dcMapping=getattr(self.main.meta.bib,"dc",None)
00147a1ab4ac division between MetaDataFolder and Metadata looks good now (to me :-)
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diff changeset
201 except:
00147a1ab4ac division between MetaDataFolder and Metadata looks good now (to me :-)
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diff changeset
202 logging.error("getMetaDataFromServer no dc in meta/bib")
00147a1ab4ac division between MetaDataFolder and Metadata looks good now (to me :-)
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diff changeset
203 return ""
00147a1ab4ac division between MetaDataFolder and Metadata looks good now (to me :-)
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diff changeset
204
00147a1ab4ac division between MetaDataFolder and Metadata looks good now (to me :-)
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diff changeset
205 mds=mapping.generateMappingHash() # Hole das Mapping generisches Feld --> Feld im entsprechenden Typ
00147a1ab4ac division between MetaDataFolder and Metadata looks good now (to me :-)
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206 dcMds=dcMapping.generateMappingHash()
00147a1ab4ac division between MetaDataFolder and Metadata looks good now (to me :-)
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diff changeset
207
00147a1ab4ac division between MetaDataFolder and Metadata looks good now (to me :-)
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diff changeset
208 mdHash=[]
00147a1ab4ac division between MetaDataFolder and Metadata looks good now (to me :-)
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diff changeset
209 logging.debug("Value: %s"%repr(mds))
00147a1ab4ac division between MetaDataFolder and Metadata looks good now (to me :-)
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diff changeset
210
00147a1ab4ac division between MetaDataFolder and Metadata looks good now (to me :-)
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diff changeset
211 for key,valueTriple in mds.items():
00147a1ab4ac division between MetaDataFolder and Metadata looks good now (to me :-)
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diff changeset
212 value=valueTriple[0]
00147a1ab4ac division between MetaDataFolder and Metadata looks good now (to me :-)
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diff changeset
213 logging.debug("Value: %s"%repr(value))
00147a1ab4ac division between MetaDataFolder and Metadata looks good now (to me :-)
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diff changeset
214 logging.debug("Key: %s"%repr(key))
00147a1ab4ac division between MetaDataFolder and Metadata looks good now (to me :-)
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diff changeset
215 if value!="":
00147a1ab4ac division between MetaDataFolder and Metadata looks good now (to me :-)
casties
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diff changeset
216 if not archimedes:
00147a1ab4ac division between MetaDataFolder and Metadata looks good now (to me :-)
casties
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diff changeset
217 if namespaceUsed:
00147a1ab4ac division between MetaDataFolder and Metadata looks good now (to me :-)
casties
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diff changeset
218 try:
00147a1ab4ac division between MetaDataFolder and Metadata looks good now (to me :-)
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diff changeset
219 v = im.xml_xpath('//mpiwg:bib/mpiwg:%s/text()'%value)
00147a1ab4ac division between MetaDataFolder and Metadata looks good now (to me :-)
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220 except:
00147a1ab4ac division between MetaDataFolder and Metadata looks good now (to me :-)
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diff changeset
221 logging.error('cannot do: //mpiwg:bib/mpiwg:%s/text()'%value)
00147a1ab4ac division between MetaDataFolder and Metadata looks good now (to me :-)
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diff changeset
222 else:
00147a1ab4ac division between MetaDataFolder and Metadata looks good now (to me :-)
casties
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diff changeset
223 v = im.xml_xpath('//bib/%s/text()'%value)
00147a1ab4ac division between MetaDataFolder and Metadata looks good now (to me :-)
casties
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diff changeset
224 else:
00147a1ab4ac division between MetaDataFolder and Metadata looks good now (to me :-)
casties
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diff changeset
225 v = im.xml_xpath('//archimedes/%s/text()'%value)
00147a1ab4ac division between MetaDataFolder and Metadata looks good now (to me :-)
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diff changeset
226 if len(v) > 0:
00147a1ab4ac division between MetaDataFolder and Metadata looks good now (to me :-)
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diff changeset
227 dc=dcMds[key][0]
00147a1ab4ac division between MetaDataFolder and Metadata looks good now (to me :-)
casties
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diff changeset
228
00147a1ab4ac division between MetaDataFolder and Metadata looks good now (to me :-)
casties
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diff changeset
229 if (dc !="") and (value !=""):
00147a1ab4ac division between MetaDataFolder and Metadata looks good now (to me :-)
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diff changeset
230 logging.debug("%s--> : %s"%(repr(value),dc))
00147a1ab4ac division between MetaDataFolder and Metadata looks good now (to me :-)
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diff changeset
231 mdHash.append([dc,unicode(v[0])])
00147a1ab4ac division between MetaDataFolder and Metadata looks good now (to me :-)
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diff changeset
232
00147a1ab4ac division between MetaDataFolder and Metadata looks good now (to me :-)
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diff changeset
233 ret="""<bib xmlns:dc="http://dublincore.org/documents/dcmi-namespace/"> """
00147a1ab4ac division between MetaDataFolder and Metadata looks good now (to me :-)
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234 ret+="<dc:type>%s</dc:type>"%type
00147a1ab4ac division between MetaDataFolder and Metadata looks good now (to me :-)
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diff changeset
235 for md in mdHash:
4
8291255b1868 adding new base level class MetaDataFolder.
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236
6
00147a1ab4ac division between MetaDataFolder and Metadata looks good now (to me :-)
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237 ret+="""<dc:%s>%s</dc:%s>"""%(md[0],xml.sax.saxutils.escape(md[1]),md[0])
00147a1ab4ac division between MetaDataFolder and Metadata looks good now (to me :-)
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238 ret+="</bib>"
00147a1ab4ac division between MetaDataFolder and Metadata looks good now (to me :-)
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diff changeset
239 return ret
4
8291255b1868 adding new base level class MetaDataFolder.
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240
8291255b1868 adding new base level class MetaDataFolder.
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241
8291255b1868 adding new base level class MetaDataFolder.
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242 changeMetaDataFolderForm = PageTemplateFile('zpt/changeMetaDataFolder',globals())
8291255b1868 adding new base level class MetaDataFolder.
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243
8291255b1868 adding new base level class MetaDataFolder.
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244 security.declarePublic('changeMetaDataFolder')
8291255b1868 adding new base level class MetaDataFolder.
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245 def changeMetaDataFolder(self,title,metaDataServerUrl,RESPONSE=None):
8291255b1868 adding new base level class MetaDataFolder.
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246 """Change MetaDataFolder"""
8291255b1868 adding new base level class MetaDataFolder.
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247 self.title = title
8291255b1868 adding new base level class MetaDataFolder.
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248 self.metaDataServerUrl=metaDataServerUrl
8291255b1868 adding new base level class MetaDataFolder.
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249 if RESPONSE is not None:
8291255b1868 adding new base level class MetaDataFolder.
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250 RESPONSE.redirect('manage_main')
8291255b1868 adding new base level class MetaDataFolder.
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251
8291255b1868 adding new base level class MetaDataFolder.
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252
9
eeaad777d3d7 more work for non-bib metadata
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253 def manage_addMetaDataFolderForm(self):
eeaad777d3d7 more work for non-bib metadata
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diff changeset
254 """add MetaDataFolder form"""
eeaad777d3d7 more work for non-bib metadata
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255 pt = PageTemplateFile('zpt/addMetadataFolderForm',globals()).__of__(self)
eeaad777d3d7 more work for non-bib metadata
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diff changeset
256 return pt()
4
8291255b1868 adding new base level class MetaDataFolder.
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257
8291255b1868 adding new base level class MetaDataFolder.
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258 def manage_addMetaDataFolder(self,id,title,RESPONSE=None):
8291255b1868 adding new base level class MetaDataFolder.
casties
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259 """a MetaDataFolder objekt"""
8291255b1868 adding new base level class MetaDataFolder.
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260 newObj=MetaDataFolder(id,title)
8291255b1868 adding new base level class MetaDataFolder.
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261 self.Destination()._setObject(id,newObj)
8291255b1868 adding new base level class MetaDataFolder.
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262 if RESPONSE is not None:
8291255b1868 adding new base level class MetaDataFolder.
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263 RESPONSE.redirect('manage_main')
8291255b1868 adding new base level class MetaDataFolder.
casties
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264