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    1: # hilfsfunktionen
    2: import os.path
    3: from types import *
    4: import xml.dom.minidom
    5: import zLOG
    6: 
    7: OSASObjectTypes=['OSAS_metaDataFile','OSAS_dir','OSAS_file','OSAS_imageFolder','OSAS_dir_archive','OSAS_file_archive','OSAS_videoFolder','OSAS_videoFile']
    8: OSASExcludedFiles=['TheVolumeSettingsFolder','TheFindByContentFolder']
    9: 
   10: 
   11: def getText(nodelist):
   12:     """gibt text aus nodelist"""
   13:     rc = ""
   14:     for node in nodelist:
   15:     	if node.nodeType == node.TEXT_NODE:
   16:            rc = rc + node.data
   17:     return rc
   18: 
   19: def getMetaInfoFromXML(path,xmlInfo):
   20:     """get index.meta and translate it to HTML"""
   21:     html=[]
   22:     
   23:     dom = xml.dom.minidom.parseString(xmlInfo)
   24:     try:
   25:         name=getText(dom.getElementsByTagName("name")[0].childNodes)
   26:     except:
   27:         name="NOT_DEFINED!!!"
   28:     try:
   29:         creator=getText(dom.getElementsByTagName("creator")[0].childNodes)
   30:     except:
   31:         creator="NOT_DEFINED!!!"
   32: 
   33:     try:
   34:         creation_date=getText(dom.getElementsByTagName("archive-creation-date")[0].childNodes)
   35:     except:
   36:         creation_date="NOT_DEFINED!!!"
   37: 
   38:     try:
   39:         description=getText(dom.getElementsByTagName("description")[0].childNodes)
   40:     except:
   41:         description="NOT_DEFINED!!!"
   42: 
   43:     try:
   44:         type=getText(dom.getElementsByTagName("content-type")[0].childNodes) 
   45:     except:
   46:         type=""
   47:     if type=="scanned document":
   48:         html="<h3>Document: "+name+"</h3>"
   49:     elif type=="folder":
   50:         html="<h3>Folder: "+name+"</h3>"
   51:     else:
   52:         html="<h3>Document: "+name+"</h3>"
   53: 
   54:     html=html+"<p><i>created by: "+creator+" at: "+creation_date+"</i></p>" 
   55:     html=html+"<h4>Description</h4><p>"+description+"</p>"
   56:     try:
   57:         bib = dom.getElementsByTagName("meta")[0].getElementsByTagName("bib")[0]
   58:         if bib.attributes.has_key('type'):
   59:             html=html+"<h4>Info ("+bib.attributes['type'].value+")</h4>"
   60:         else:
   61:             html=html+"<h4>Info</h4>"
   62:         html=html+getBib(bib.childNodes)
   63: 
   64:     except:
   65:         """none"""
   66:        
   67: #        html=html.encode('utf-8','replace')+getBib(bib.childNodes).encode('utf-8','replace')
   68: 
   69:     
   70:     return html
   71: 
   72: 
   73: def getBib(nodelist):
   74:     """ translate bibliographical entries """
   75:     rc= "<table border='0'>"
   76:     
   77:     for node in nodelist:
   78:         
   79:     	if node.nodeType == node.ELEMENT_NODE:
   80: 	   """nothing"""
   81:            
   82: 	   rc = rc+"<tr><td valign='right'>"+str(node.nodeName)+":</td><td> "+getText(node.childNodes)+"</td></tr>"
   83:            
   84:     #print rc
   85:     return rc+"</table>"
   86: 
   87: def getPropertyOfDirs(indexMeta,propertyName):
   88:     """gibt Eigenschaften der directorys gemaess Index.metas file in path aus
   89:     @param indexMeta: index.meta file
   90:     @param propertyName: Property die ausgegebenwerden soll
   91:     @return: Hash mit key  name des Directories and Value von property, None if error.
   92:     """
   93:     ret={}
   94:     
   95:     try:
   96:         dom=xml.dom.minidom.parseString(indexMeta)
   97: 
   98:         rootProp=xml.xpath.Evaluate("/resource/%s"%propertyName,dom)
   99:         if len(rootProp)==1:
  100:             property= getText(rootProp[0].childNodes)
  101:             ret["."]=property
  102:             
  103:         for node in dom.getElementsByTagName("dir"):
  104:             try:
  105:                 property= getText(node.getElementsByTagName(propertyName)[0].childNodes)
  106:                 dirName=getText(node.getElementsByTagName("name")[0].childNodes)
  107:                 ret[dirName]=property
  108:             except:
  109:                 ret[dirName]=none
  110:         return ret
  111:     except:
  112:                 
  113:         return ret
  114: 
  115:                    
  116: def dirHasProperty(path,indexMeta,propertyName,propertyValue):
  117:     """gibt 1 zurück falls path hat propertyName und properName=propertyValue
  118:     @param propertyName:Property von path in index.meta des parent folders von path
  119:     @param propertyValue:Wert der Property
  120:     @param path: Pfad der getestet werden soll
  121:     """
  122:     if getPropertyOfDirs(indexMeta,propertyName).get(os.path.split(path)[1],None)==propertyValue:
  123:         return 1
  124:     else:
  125:         return 0
  126:     
  127: def isImageFolder(path,indexMeta):
  128:     """check if folder contains images without metadata or with metadata"""
  129:     # metadaten ergeben imagefolder
  130:     if dirHasProperty(path,indexMeta,'content-type','images'): 
  131:         return 1
  132:     
  133: def isVideoFolder(path,indexMeta):
  134:     """check if folder contains images without metadata or with metadata"""
  135:     # metadaten ergeben imagefolder
  136:     print "test video",path
  137:     if dirHasProperty(path,indexMeta,'media-type','video'):
  138:         return 1
  139: 
  140: def isVideoStream(path,indexMeta):
  141:     if dirHasProperty(path,indexMeta,'container-format','quicktime'):
  142:         return 1
  143:     
  144: def isImageFolderGuess(path):
  145:     """check if folder contains images without metadata or with metadata"""
  146:        #sonst rate ob folder images enthaelten durch test nach suffix
  147:     try:
  148:                 dir=os.listdir(path)
  149: 
  150:                 imagesuffixes=['.gif','.jpg','.jpeg','.png','.tiff','.tif']
  151:                 ret=""
  152:                 for a in dir:
  153:                       
  154:                       suffix=os.path.splitext(a)[1].lower()
  155: 		
  156:                       if suffix in imagesuffixes:
  157:                             return 1
  158: 
  159:                 return 0
  160: 
  161:     except:
  162:                 return 0
  163: 
  164: def checkOSASFileType(object):
  165:     """checke filetype
  166:     nicht erkannte type auf werden auf none gesetzt
  167:     """
  168:     if os.path.split(object)[1][0]=="." or os.path.split(object)[1] in OSASExcludedFiles:
  169:         return None
  170:     elif isImageFolderGuess(object):
  171:         return 'OSAS_imageFolder'
  172:     elif os.path.split(object)[1]=="index.meta":
  173:         return 'OSAS_metaDataFile'
  174:     elif os.path.isdir(object):
  175:         return 'OSAS_dir'
  176:     elif os.path.isfile(object):
  177:         return 'OSAS_file'
  178:  
  179: def toList(fields):
  180:     """Einzelfeld in Liste umwandeln
  181:     @param fields: String oder Array
  182:     @return: gibt liste zurueck
  183: 
  184:     """
  185:     if type(fields)==StringType:
  186:         return [fields]
  187:     else:
  188:         return fields
  189: 
  190: 
  191: def localDate():
  192:         """gives formatted local date"""
  193: 	return strftime("%d.%m.%Y",localtime())	
  194: 
  195: