Mercurial > hg > MetaDataProvider

comparison OSAS_helpers.py @ 20:9a1e75e708e1

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
small bugs in metadata context field in metadata docinfo added osa_system2 nicht mehr noetig
author dwinter
date Sun, 23 Oct 2011 21:29:02 +0200
parents
children
comparison
equal deleted inserted replaced
19:bd3025a6a6c0 20:9a1e75e708e1
1 # hilfsfunktionen
2 import os.path
3 from types import *
4 import xml.dom.minidom
5 import logging
6
7 #ersetzt logging
8 def logger(txt,method,txt2):
9 """logging"""
10 logging.info(txt+ txt2)
11
12
13
14 OSASObjectTypes=['OSAS_metaDataFile','OSAS_dir','Osas_file','OSAS_imageFolder','OSAS_dir_archive','OSAS_file_archive','OSAS_videoFolder','OSAS_videoFile','OSAS_videoFolder']
15 OSASDirObjects=['OSAS_dir','OSAS_imageFolder',]
16 OSASExcludedFiles=['TheVolumeSettingsFolder','TheFindByContentFolder']
17
18
19 def getText(nodelist):
20 """gibt text aus nodelist"""
21 rc = ""
22 for node in nodelist:
23 if node.nodeType == node.TEXT_NODE:
24 rc = rc + node.data
25 return rc
26
27 def getMetaInfoFromXML(path,xmlInfo):
28 """get index.meta and translate it to HTML"""
29 html=[]
30
31 dom = xml.dom.minidom.parseString(xmlInfo)
32 try:
33 name=getText(dom.getElementsByTagName("name")[0].childNodes)
34 except:
35 name="NOT_DEFINED!!!"
36 try:
37 creator=getText(dom.getElementsByTagName("creator")[0].childNodes)
38 except:
39 creator="NOT_DEFINED!!!"
40
41 try:
42 creation_date=getText(dom.getElementsByTagName("archive-creation-date")[0].childNodes)
43 except:
44 creation_date="NOT_DEFINED!!!"
45
46 try:
47 description=getText(dom.getElementsByTagName("description")[0].childNodes)
48 except:
49 description="NOT_DEFINED!!!"
50
51 try:
52 type=getText(dom.getElementsByTagName("content-type")[0].childNodes)
53 except:
54 type=""
55 if type=="scanned document":
56 html="<h3>Document: "+name+"</h3>"
57 elif type=="folder":
58 html="<h3>Folder: "+name+"</h3>"
59 else:
60 html="<h3>Document: "+name+"</h3>"
61
62 html=html+"<p><i>created by: "+creator+" at: "+creation_date+"</i></p>"
63 html=html+"<h4>Description</h4><p>"+description+"</p>"
64 try:
65 bib = dom.getElementsByTagName("meta")[0].getElementsByTagName("bib")[0]
66 if bib.attributes.has_key('type'):
67 html=html+"<h4>Info ("+bib.attributes['type'].value+")</h4>"
68 else:
69 html=html+"<h4>Info</h4>"
70 html=html+getBib(bib.childNodes)
71
72 except:
73 """none"""
74
75 # html=html.encode('utf-8','replace')+getBib(bib.childNodes).encode('utf-8','replace')
76
77
78 return html
79
80
81 def getBib(nodelist):
82 """ translate bibliographical entries """
83 rc= "<table border='0'>"
84
85 for node in nodelist:
86
87 if node.nodeType == node.ELEMENT_NODE:
88 """nothing"""
89
90 rc = rc+"<tr><td valign='right'>"+str(node.nodeName)+":</td><td> "+getText(node.childNodes)+"</td></tr>"
91
92 #print rc
93 return rc+"</table>"
94
95 def getPropertyOfDirs(indexMeta,propertyName):
96 """gibt Eigenschaften der directorys gemaess Index.metas file in path aus
97 @param indexMeta: index.meta file
98 @param propertyName: Property die ausgegebenwerden soll
99 @return: Hash mit key name des Directories and Value von property, None if error.
100 """
101 ret={}
102
103 try:
104 dom=xml.dom.minidom.parseString(indexMeta)
105
106 rootProp=xml.xpath.Evaluate("/resource/%s"%propertyName,dom)
107 if len(rootProp)==1:
108 property= getText(rootProp[0].childNodes)
109 ret["."]=property
110
111 for node in dom.getElementsByTagName("dir"):
112 try:
113 property= getText(node.getElementsByTagName(propertyName)[0].childNodes)
114 dirName=getText(node.getElementsByTagName("name")[0].childNodes)
115 ret[dirName]=property
116 except:
117 ret[dirName]=none
118 return ret
119 except:
120
121 return ret
122
123
124 def dirHasProperty(path,indexMeta,propertyName,propertyValue):
125 """gibt 1 zurueck falls path hat propertyName und properName=propertyValue
126 @param propertyName:Property von path in index.meta des parent folders von path
127 @param propertyValue:Wert der Property
128 @param path: Pfad der getestet werden soll
129 """
130 if getPropertyOfDirs(indexMeta,propertyName).get(os.path.split(path)[1],None)==propertyValue:
131 return 1
132 else:
133 return 0
134
135 def isImageFolder(path,indexMeta):
136 """check if folder contains images without metadata or with metadata"""
137 # metadaten ergeben imagefolder
138 if dirHasProperty(path,indexMeta,'content-type','images'):
139 return 1
140
141 def isVideoFolder(path,indexMeta):
142 """check if folder contains images without metadata or with metadata"""
143 # metadaten ergeben imagefolder
144
145 if dirHasProperty(path,indexMeta,'media-type','video'):
146 return 1
147
148 def isVideoStream(path,indexMeta):
149 if dirHasProperty(path,indexMeta,'container-format','quicktime'):
150 return 1
151
152 def isImageFolderGuess(path):
153 """check if folder contains images without metadata or with metadata"""
154 #sonst rate ob folder images enthaelten durch test nach suffix
155 try:
156 dir=os.listdir(path)
157
158 imagesuffixes=['.gif','.jpg','.jpeg','.png','.tiff','.tif']
159 ret=""
160 for a in dir:
161
162 suffix=os.path.splitext(a)[1].lower()
163
164 if suffix in imagesuffixes:
165 return 1
166
167 return 0
168
169 except:
170 return 0
171
172 def checkOSASFileType(object):
173 """checke filetype
174 nicht erkannte type auf werden auf none gesetzt
175 """
176 if os.path.split(object)[1][0]=="." or os.path.split(object)[1] in OSASExcludedFiles:
177 return None
178 elif isImageFolderGuess(object):
179 return 'OSAS_imageFolder'
180 elif os.path.split(object)[1]=="index.meta":
181 return 'OSAS_metaDataFile'
182 elif os.path.isdir(object):
183 return 'OSAS_dir'
184 elif os.path.isfile(object):
185 return 'OSAS_file'
186
187 def toList(fields):
188 """Einzelfeld in Liste umwandeln
189 @param fields: String oder Array
190 @return: gibt liste zurueck
191
192 """
193 if type(fields)==StringType:
194 return [fields]
195 else:
196 return fields
197
198
199 def localDate():
200 """gives formatted local date"""
201 return strftime("%d.%m.%Y",localtime())
202
203