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cswclient_utils.py
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cswclient_utils.py
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# -*- coding: utf-8 -*-
#******************************************************************************
#
# CSW Client
# ---------------------------------------------------------
# QGIS Catalogue Service client.
#
# Copyright (C) 2010 NextGIS (http://nextgis.org),
# Alexander Bruy ([email protected]),
# Maxim Dubinin ([email protected])
#
# This source is free software; you can redistribute it and/or modify it under
# the terms of the GNU General Public License as published by the Free
# Software Foundation; either version 2 of the License, or (at your option)
# any later version.
#
# This code is distributed in the hope that it will be useful, but WITHOUT ANY
# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
# details.
#
# A copy of the GNU General Public License is available on the World Wide Web
# at <http://www.gnu.org/copyleft/gpl.html>. You can also obtain it by writing
# to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
# MA 02111-1307, USA.
#
#******************************************************************************
from PyQt4.QtCore import *
from PyQt4.QtGui import *
from PyQt4.QtXml import *
def serverMetadata( srv ):
myMetadata = "<html><body>"
myMetadata += "<table width=\"100%\">"
myMetadata += "<tr><td bgcolor=\"gray\">"
myMetadata += QCoreApplication.translate( "CSWClient", "Server properties" )
myMetadata += "</td></tr>"
try:
id = srv.identification
except:
return "Failed to get server capabilities"
# server identification
if srv.identification:
# start nested table
myMetadata += "<table width=\"100%\" border=\"1\">"
# table header
myMetadata += "<tr><th bgcolor=\"black\">"
myMetadata += "<font color=\"white\">" + QCoreApplication.translate( "CSWClient", "Property" ) + "</font>"
myMetadata += "</th>"
myMetadata += "<th bgcolor=\"black\">"
myMetadata += "<font color=\"white\">" + QCoreApplication.translate( "CSWClient", "Value" ) +"</font>"
myMetadata += "</th></tr>"
myMetadata += "<tr><td bgcolor=\"gray\">"
myMetadata += QCoreApplication.translate( "CSWClient", "Title" )
myMetadata += "</td>"
myMetadata += "<td bgcolor=\"gray\">"
if srv.identification.title:
myMetadata += srv.identification.title
myMetadata += "</td></tr>"
myMetadata += "<tr><td bgcolor=\"gray\">"
myMetadata += QCoreApplication.translate( "CSWClient", "Type" )
myMetadata += "</td>"
myMetadata += "<td bgcolor=\"gray\">"
if srv.identification.type:
myMetadata += srv.identification.type
myMetadata += "</td></tr>"
myMetadata += "<tr><td bgcolor=\"gray\">"
myMetadata += QCoreApplication.translate( "CSWClient", "Version" )
myMetadata += "</td>"
myMetadata += "<td bgcolor=\"gray\">"
if srv.identification.version:
myMetadata += srv.identification.version
myMetadata += "</td></tr>"
myMetadata += "<tr><td bgcolor=\"gray\">"
myMetadata += QCoreApplication.translate( "CSWClient", "Keywords" )
myMetadata += "</td>"
myMetadata += "<td bgcolor=\"gray\">"
if len( srv.identification.keywords ) > 0:
md = ""
for k in srv.identification.keywords:
if k is None:
continue
md += k + ", "
myMetadata += QString(md[:-2])
myMetadata += "</td></tr>"
myMetadata += "<tr><td bgcolor=\"gray\">"
myMetadata += QCoreApplication.translate( "CSWClient", "Fees" )
myMetadata += "</td>"
myMetadata += "<td bgcolor=\"gray\">"
if srv.identification.fees:
myMetadata += srv.identification.fees
myMetadata += "</td></tr>"
myMetadata += "<tr><td bgcolor=\"gray\">"
myMetadata += QCoreApplication.translate( "CSWClient", "Access constraints" )
myMetadata += "</td>"
myMetadata += "<td bgcolor=\"gray\">"
if srv.identification.accessconstraints:
myMetadata += srv.identification.accessconstraints
myMetadata += "</td></tr>"
# close the nested table
myMetadata += "</table>"
# provider info
myMetadata += "<tr><td bgcolor=\"gray\">"
myMetadata += "Provider information"
myMetadata += "</td></tr>"
if srv.provider:
# start nested table
myMetadata += "<table width=\"100%\" border=\"1\">"
# table header
myMetadata += "<tr><th bgcolor=\"black\">"
myMetadata += "<font color=\"white\">" + QCoreApplication.translate( "CSWClient", "Property" ) + "</font>"
myMetadata += "</th>"
myMetadata += "<th bgcolor=\"black\">"
myMetadata += "<font color=\"white\">" + QCoreApplication.translate( "CSWClient", "Value" ) + "</font>"
myMetadata += "</th></tr>"
myMetadata += "<tr><td bgcolor=\"gray\">"
myMetadata += QCoreApplication.translate( "CSWClient", "Provider name" )
myMetadata += "</td>"
myMetadata += "<td bgcolor=\"gray\">"
if srv.provider.name:
myMetadata += srv.provider.name
myMetadata += "</td></tr>"
myMetadata += "<tr><td bgcolor=\"gray\">"
myMetadata += QCoreApplication.translate( "CSWClient", "Provider URL" )
myMetadata += "</td>"
myMetadata += "<td bgcolor=\"gray\">"
if srv.provider.url:
myMetadata += srv.provider.url
myMetadata += "</td></tr>"
myMetadata += "<tr><td bgcolor=\"gray\">"
myMetadata += QCoreApplication.translate( "CSWClient", "Contact name" )
myMetadata += "</td>"
myMetadata += "<td bgcolor=\"gray\">"
if srv.provider.contact.name:
myMetadata += srv.provider.contact.name
myMetadata += "</td></tr>"
myMetadata += "<tr><td bgcolor=\"gray\">"
myMetadata += QCoreApplication.translate( "CSWClient", "Contact organization" )
myMetadata += "</td>"
myMetadata += "<td bgcolor=\"gray\">"
if srv.provider.contact.organization:
myMetadata += srv.provider.contact.organization
myMetadata += "</td></tr>"
myMetadata += "<tr><td bgcolor=\"gray\">"
myMetadata += QCoreApplication.translate( "CSWClient", "Contact address" )
myMetadata += "</td bgcolor=\"gray\">"
myMetadata += "<td>"
if srv.provider.contact.address:
myMetadata += srv.provider.contact.address
myMetadata += "</td></tr>"
myMetadata += "<tr><td bgcolor=\"gray\">"
myMetadata += QCoreApplication.translate( "CSWClient", "Contact city" )
myMetadata += "</td>"
myMetadata += "<td bgcolor=\"gray\">"
if srv.provider.contact.city:
myMetadata += srv.provider.contact.city
myMetadata += "</td></tr>"
myMetadata += "<tr><td bgcolor=\"gray\">"
myMetadata += QCoreApplication.translate( "CSWClient", "Contact region" )
myMetadata += "</td>"
myMetadata += "<td bgcolor=\"gray\">"
if srv.provider.contact.region:
myMetadata += srv.provider.contact.region
myMetadata += "</td></tr>"
myMetadata += "<tr><td bgcolor=\"gray\">"
myMetadata += QCoreApplication.translate( "CSWClient", "Contact postcode" )
myMetadata += "</td>"
myMetadata += "<td bgcolor=\"gray\">"
if srv.provider.contact.postcode:
myMetadata += srv.provider.contact.postcode
myMetadata += "</td></tr>"
myMetadata += "<tr><td bgcolor=\"gray\">"
myMetadata += QCoreApplication.translate( "CSWClient", "Contact country" )
myMetadata += "</td>"
myMetadata += "<td bgcolor=\"gray\">"
if srv.provider.contact.country:
myMetadata += srv.provider.contact.country
myMetadata += "</td></tr>"
myMetadata += "<tr><td bgcolor=\"gray\">"
myMetadata += QCoreApplication.translate( "CSWClient", "Contact email" )
myMetadata += "</td>"
myMetadata += "<td bgcolor=\"gray\">"
if srv.provider.contact.email:
myMetadata += srv.provider.contact.email
myMetadata += "</td></tr>"
#myMetadata += "<tr><td bgcolor=\"gray\">"
#myMetadata += QCoreApplication.translate( "CSWClient", "Contact hoursofservice" )
#myMetadata += "</td>"
#myMetadata += "<td bgcolor=\"gray\">"
#if srv.provider.contact.hoursofservice:
# myMetadata += srv.provider.contact.hoursofservice
#myMetadata += "</td></tr>"
myMetadata += "<tr><td bgcolor=\"gray\">"
myMetadata += QCoreApplication.translate( "CSWClient", "Contact role" )
myMetadata += "</td>"
myMetadata += "<td bgcolor=\"gray\">"
if srv.provider.contact.role:
myMetadata += srv.provider.contact.role
myMetadata += "</td></tr>"
# close the nested table
myMetadata += "</table>"
# close main table
myMetadata += "</table>"
myMetadata += "</body></html>"
return myMetadata
def recordMetadata( record ):
myMetadata = "<html><body>"
myMetadata += "<table width=\"100%\">"
myMetadata += "<tr><td bgcolor=\"gray\">"
myMetadata += QCoreApplication.translate( "CSWClient", "Record properties" )
myMetadata += "</td></tr>"
# try:
# id = record[ id ].identifier
# except:
# return "Failed to get server capabilities"
# start nested table
myMetadata += "<table width=\"100%\" border=\"1\">"
# table header
myMetadata += "<tr><th bgcolor=\"black\">"
myMetadata += "<font color=\"white\">" + QCoreApplication.translate( "CSWClient", "Property" ) + "</font>"
myMetadata += "</th>"
myMetadata += "<th bgcolor=\"black\">"
myMetadata += "<font color=\"white\">" + QCoreApplication.translate( "CSWClient", "Value" ) +"</font>"
myMetadata += "</th></tr>"
myMetadata += "<tr><td bgcolor=\"gray\">"
myMetadata += QCoreApplication.translate( "CSWClient", "Identifier" )
myMetadata += "</td>"
myMetadata += "<td bgcolor=\"gray\">"
if record.identifier:
myMetadata += record.identifier
myMetadata += "</td></tr>"
myMetadata += "<tr><td bgcolor=\"gray\">"
myMetadata += QCoreApplication.translate( "CSWClient", "Title" )
myMetadata += "</td>"
myMetadata += "<td bgcolor=\"gray\">"
if record.title:
myMetadata += record.title
myMetadata += "</td></tr>"
myMetadata += "<tr><td bgcolor=\"gray\">"
myMetadata += QCoreApplication.translate( "CSWClient", "Abstract" )
myMetadata += "</td>"
myMetadata += "<td bgcolor=\"gray\">"
if record.abstract:
myMetadata += record.abstract
myMetadata += "</td></tr>"
myMetadata += "<tr><td bgcolor=\"gray\">"
myMetadata += QCoreApplication.translate( "CSWClient", "Subjects" )
myMetadata += "</td>"
myMetadata += "<td bgcolor=\"gray\">"
if len( record.subjects ) > 0:
myMetadata += QStringList( record.subjects ).join( ", " )
myMetadata += "</td></tr>"
myMetadata += "<tr><td bgcolor=\"gray\">"
myMetadata += QCoreApplication.translate( "CSWClient", "Creator" )
myMetadata += "</td>"
myMetadata += "<td bgcolor=\"gray\">"
if record.creator:
myMetadata += record.creator
myMetadata += "</td></tr>"
myMetadata += "<tr><td bgcolor=\"gray\">"
myMetadata += QCoreApplication.translate( "CSWClient", "Contributor" )
myMetadata += "</td>"
myMetadata += "<td bgcolor=\"gray\">"
if record.contributor:
myMetadata += record.contributor
myMetadata += "</td></tr>"
myMetadata += "<tr><td bgcolor=\"gray\">"
myMetadata += QCoreApplication.translate( "CSWClient", "Publisher" )
myMetadata += "</td>"
myMetadata += "<td bgcolor=\"gray\">"
if record.publisher:
myMetadata += record.publisher
myMetadata += "</td></tr>"
myMetadata += "<tr><td bgcolor=\"gray\">"
myMetadata += QCoreApplication.translate( "CSWClient", "Modified" )
myMetadata += "</td>"
myMetadata += "<td bgcolor=\"gray\">"
if record.modified:
myMetadata += record.modified
myMetadata += "</td></tr>"
myMetadata += "<tr><td bgcolor=\"gray\">"
myMetadata += QCoreApplication.translate( "CSWClient", "Language" )
myMetadata += "</td>"
myMetadata += "<td bgcolor=\"gray\">"
if record.language:
myMetadata += record.language
myMetadata += "</td></tr>"
myMetadata += "<tr><td bgcolor=\"gray\">"
myMetadata += QCoreApplication.translate( "CSWClient", "Format" )
myMetadata += "</td>"
myMetadata += "<td bgcolor=\"gray\">"
if record.format:
myMetadata += record.format
myMetadata += "</td></tr>"
myMetadata += "<tr><td bgcolor=\"gray\">"
myMetadata += QCoreApplication.translate( "CSWClient", "Rights" )
myMetadata += "</td bgcolor=\"gray\">"
myMetadata += "<td>"
print "****RIGHTS***", record.rights
print record.rights is None
print len( record.rights )
if record.rights and record.rights[0] and len( record.rights ) > 0:
myMetadata += QStringList( record.rights ).join( ", " )
myMetadata += "</td></tr>"
myMetadata += "<tr><td bgcolor=\"gray\">"
myMetadata += QCoreApplication.translate( "CSWClient", "Bounding box" )
myMetadata += "</td>"
myMetadata += "<td bgcolor=\"gray\">"
if record.bbox:
myMetadata += record.bbox.minx + ", " + record.bbox.miny + ", " + record.bbox.maxx + ", " + record.bbox.maxy
myMetadata += "</td></tr>"
# close the nested table
myMetadata += "</table>"
# close main table
myMetadata += "</table>"
myMetadata += "</body></html>"
return myMetadata
def extractUrl( parent, xmlDoc, recordId ):
doc = QDomDocument()
errorStr = QString()
errorLine = 0
errorColumn = 0
( success, errorStr, errorLine, errorColumn ) = doc.setContent( xmlDoc, True )
print success
if not success:
QMessageBox.warning( parent, parent.tr( "Parsing error" ),
parent.tr( "Parse error at line %1, column %2:\n%3" )
.arg( errorLine )
.arg( errorColumn )
.arg( errorStr ) )
return
root = doc.documentElement().firstChildElement( "SearchResults" )
child = root.firstChildElement( "Record" )
found = False
while not child.isNull() and not found:
elem = child.firstChildElement()
while not elem.isNull():
e = elem.toElement()
if e.tagName() == "identifier" and e.attribute( "scheme" ).endsWith( "DocID" ) and e.text() == recordId:
#print "ID", e.text()
found = True
break
elem = elem.nextSiblingElement()
if not found:
child = child.nextSiblingElement()
# now in child we have selected record and can extract URL
found = False
elem = child.firstChildElement()
while not elem.isNull():
e = elem.toElement()
if e.tagName() == "references" and e.attribute( "scheme" ).endsWith( "Onlink" ):
found = True
#print "URL", e.text()
break
elem = elem.nextSiblingElement()
if found:
return e.text()
return QString()