00001 class Metadata:
00002
00003
00004 SENSOR_DAYABAY = 'DAYABAY > The Entire DayaBay Experiment'
00005 SENSOR_DB = 'DAYABAY-DB > The DayaBay (near) Hall of DayaBay Experiment'
00006 SENSOR_LA = 'DAYABAY-LA > The Ling Ao Hall of the DayaBay Experiment'
00007 SENSOR_FH = 'DAYABAY-FH > The Far Hall of the DayaBay Experiment'
00008 SENSOR_SAB = 'DAYABAY-SAB > The Surface Assembly Building of the DayaBay Experiment'
00009
00010 DATETIME_FORMAT = '%Y-%m-%dT%H:%M:%S'
00011
00012
00013 ROOT = (0, 0)
00014 DIF = (1, 0)
00015 PLUS = (1, DIF[1] + 1)
00016 ENTRY_ID = (2, 0)
00017 ENTRY_TITLE = (2, ENTRY_ID[1] + 1)
00018 PARAMETERS = (2, ENTRY_TITLE[1] + 1)
00019 ISO_TOPIC = (2, PARAMETERS[1] + 1)
00020 DATA_CENTER = (2, ISO_TOPIC[1] + 1)
00021 SUMMARY = (2, DATA_CENTER[1] + 1)
00022 META_NAME = (2, SUMMARY[1] + 1)
00023 META_VERS = (2, META_NAME[1] + 1)
00024 SENSOR = (2, META_VERS[1] + 1)
00025 SOURCE = (2, SENSOR[1] + 1)
00026 ORIGIN = (2, SOURCE[1] + 1)
00027 CREATION = (2, ORIGIN[1] + 1)
00028 START_TIME = (2, CREATION[1] + 1)
00029 END_TIME = (2, START_TIME[1] + 1)
00030 CATEGORY = (2, END_TIME[1] + 1)
00031 SUB_CATEGORY = (2, CATEGORY[1] + 1)
00032 COMMAND_LINE = (2, SUB_CATEGORY[1] + 1)
00033 DATA_CENTER_NAME = (3, 0)
00034 DC_PERSONNEL = (3, DATA_CENTER_NAME[1] + 1)
00035 DC_ROLE = (4, 0)
00036 DC_CONTACT = (4, DC_ROLE[1] + 1)
00037
00038 ELEMENTS = ['',
00039 [('DIF', ROOT[1]),
00040 ('Plus', ROOT[1])],
00041 [('Entry_ID', DIF[1]),
00042 ('Entry_Title', DIF[1]),
00043 ('Parameters', DIF[1]),
00044 ('ISO_Topic_Category', DIF[1]),
00045 ('Data_Center', DIF[1]),
00046 ('Summary', DIF[1]),
00047 ('Metadata_Name', DIF[1]),
00048 ('Metadata_Version', DIF[1]),
00049 ('Sensor_Name', DIF[1]),
00050 ('Source_Name', DIF[1]),
00051 ('Originating_Center', DIF[1]),
00052 ('DIF_Creation_Date', DIF[1]),
00053 ('Start_DateTime', PLUS[1]),
00054 ('End_DateTime', PLUS[1]),
00055 ('Category', PLUS[1]),
00056 ('Subcategory', PLUS[1]),
00057 ('Command_Line', PLUS[1])],
00058 [('Data_Center_Name', DATA_CENTER[1]),
00059 ('Personnel', DATA_CENTER[1])],
00060 [('Role', DC_PERSONNEL[1]),
00061 ('Contact_Address', DC_PERSONNEL[1])]]
00062
00063
00064 def __init__(self,
00065 fileId):
00066 import socket
00067 host = socket.gethostname()
00068 from time import gmtime
00069 self.entryId = fileId
00070 self.title = 'title'
00071 self.parameters = 'PARTICLE PHYSICS > Neutrinos > Mixing'
00072 if host.endswith('.cn'):
00073 self.dataCenter = {'name':'IHEP/BEIJING > Institute of High Energy Physics, Beijing, China'}
00074 else:
00075 self.dataCenter = {'name':'DOE/LBNL > Lawrence Berkeley National Laboratory, U. S. Department of Energy'}
00076 self.summary = 'My Summary'
00077 self.sensor = self.SENSOR_DAYABAY
00078 self.source = 'SIMULATION > Data which are numerically generated'
00079 self.origin = host
00080 self.creationDate = None
00081 self.startTime = gmtime(0)
00082 self.endTime = gmtime(0)
00083 self.category = 'calibration'
00084 self.subcategory = 'unset'
00085 self.commandLine = ''
00086
00087
00088 def createXML(self):
00089
00090 from xml.dom.minidom import Document
00091 self.doc = Document()
00092 dif_plus = self.doc.createElement('DIF_Plus')
00093 dif_plus.setAttribute('xmlns:xsi',
00094 'http://www.w3.org/2001/XMLSchema-instance')
00095 dif_plus.setAttribute('xsi:noNamespaceSchemaLocation',
00096 'http://dayabay.lbl.gov/xml/spade/v0.1/DybMetadata.xsd')
00097 self.doc.appendChild(dif_plus)
00098
00099 self.nodes = [[dif_plus],
00100 [],
00101 [],
00102 [],
00103 []]
00104
00105 from time import strftime
00106 for depth in range (1, len(self.nodes)):
00107 for e in range(0, len(self.ELEMENTS[depth])):
00108 self.nodes[depth].append(self.doc.createElement(self.ELEMENTS[depth][e][0]))
00109 self.nodes[depth - 1][self.ELEMENTS[depth][e][1]].appendChild(self.nodes[depth][e])
00110 self.fillNode(self.ENTRY_ID,
00111 self.entryId)
00112 self.fillNode(self.ENTRY_TITLE,
00113 self.title)
00114 self.fillNode(self.PARAMETERS,
00115 self.parameters)
00116 self.fillNode(self.ISO_TOPIC,
00117 'Geoscientific Information')
00118 self.fillNode(self.DATA_CENTER_NAME,
00119 self.dataCenter['name'])
00120 self.fillNode(self.DC_ROLE,
00121 'Data Center Contact')
00122 self.fillNode(self.SUMMARY,
00123 self.summary)
00124 self.fillNode(self.META_NAME,
00125 'DIF')
00126 self.fillNode(self.META_VERS,
00127 '9.7.1')
00128 self.fillNode(self.SENSOR,
00129 self.sensor)
00130 self.fillNode(self.SOURCE,
00131 self.source)
00132 self.fillNode(self.ORIGIN,
00133 self.origin)
00134 if (None == self.creationDate):
00135 self.creationDate = self.today()
00136 self.fillNode(self.CREATION,
00137 self.creationDate)
00138 self.fillNode(self.START_TIME,
00139 strftime(self.DATETIME_FORMAT,
00140 self.startTime))
00141 self.fillNode(self.END_TIME,
00142 strftime(self.DATETIME_FORMAT,
00143 self.endTime))
00144 self.fillNode(self.CATEGORY,
00145 self.category)
00146 self.fillNode(self.SUB_CATEGORY,
00147 self.subcategory)
00148 self.fillNode(self.COMMAND_LINE,
00149 self.commandLine)
00150 return self.doc
00151
00152
00153 def fillNode(self,
00154 element,
00155 text):
00156 self.nodes[element[0]][element[1]].appendChild(self.doc.createTextNode(text))
00157
00158
00159 def today(self):
00160 from time import gmtime, strftime
00161 return strftime('%Y-%m-%d',
00162 gmtime())
00163
00164 if __name__ == '__main__' :
00165 fileId = 'filebase'
00166 outFile = open(fileId + '.meta.xml',
00167 'w')
00168 metadata = Metadata(fileId)
00169 outFile.write(metadata.createXML().toxml())
