def serverInfo( self ):
settings = QSettings()
key = "/CSWClient/" + self.cmbConnections.currentText()
self.catalogUrl = str( settings.value( key + "/url" ).toString() )
try:
QApplication.setOverrideCursor( QCursor( Qt.WaitCursor ) )
self.catalog = csw( self.catalogUrl )
QApplication.restoreOverrideCursor()
except urllib2.HTTPError:
QApplication.restoreOverrideCursor()
print "CSWClient HTTP error:", sys.exc_info()[ 0 ], sys.exc_info()[ 1 ], sys.exc_info()[ 2 ]
QMessageBox.warning( self, self.tr( "Connection error" ),
self.tr( "Error connecting to server %1:\n%2" )
.arg( self.cmbConnections.currentText() )
.arg( str( sys.exc_info()[ 1 ] ) ) )
return
except ExpatError:
QApplication.restoreOverrideCursor()
print "CSWClient parse error:", sys.exc_info()[ 0 ], sys.exc_info()[ 1 ], sys.exc_info()[ 2 ]
QMessageBox.warning( self, self.tr( "Parse error" ),
self.tr( "Error parsing server response:\n%1" )
.arg( str( sys.exc_info()[ 1 ] ) ) )
return
except:
QApplication.restoreOverrideCursor()
print "CSWClient unexpected error:", sys.exc_info()[ 0 ], sys.exc_info()[ 1 ], sys.exc_info()[ 2 ]
QMessageBox.warning( self, self.tr( "Error" ),
self.tr( "Error connecting to server %1:\n%2" )
.arg( self.cmbConnections.currentText() )
.arg( str( sys.exc_info()[ 1 ] ) ) )
return
if self.catalog.exceptionreport:
print self.catalog.exceptionreport.exceptions
QMessageBox.warning( self, self.tr( "Connection error" ),
self.tr( "Error connecting to server %1:\n%2: %3" )
.arg( self.cmbConnections.currentText() )
.arg( self.catalog.exceptionreport.exceptions[ 0 ][ "exceptionCode" ])
.arg( self.catalog.exceptionreport.exceptions[ 0 ][ "ExceptionText" ] ) )
return
if self.catalog:
self.btnCapabilities.setEnabled( True )
metadata = utils.serverMetadata( self.catalog )
myStyle = QgsApplication.reportStyleSheet()
self.textMetadata.clear()
self.textMetadata.document().setDefaultStyleSheet( myStyle )
self.textMetadata.setHtml( metadata )
def showMetadata( self ):
if not self.treeRecords.selectedItems():
return
item = self.treeRecords.currentItem()
if not item:
return
recordId = str( item.text( 2 ) )
try:
QApplication.setOverrideCursor( QCursor( Qt.WaitCursor ) )
cat = csw( self.catalogUrl )
except urllib2.HTTPError:
QApplication.restoreOverrideCursor()
print "CSWClient HTTP error:", sys.exc_info()[ 0 ], sys.exc_info()[ 1 ], sys.exc_info()[ 2 ]
QMessageBox.warning( self, self.tr( "Connection error" ),
self.tr( "Error connecting to server:\n%1" )
.arg( str( sys.exc_info()[ 1 ] ) ) )
return
except ExpatError:
QApplication.restoreOverrideCursor()
print "CSWClient parse error:", sys.exc_info()[ 0 ], sys.exc_info()[ 1 ], sys.exc_info()[ 2 ]
QMessageBox.warning( self, self.tr( "Parse error" ),
self.tr( "Error parsing server response:\n%1" )
.arg( str( sys.exc_info()[ 1 ] ) ) )
return
except:
QApplication.restoreOverrideCursor()
print "CSWClient unexpected error:", sys.exc_info()[ 0 ], sys.exc_info()[ 1 ], sys.exc_info()[ 2 ]
QMessageBox.warning( self, self.tr( "Error" ),
self.tr( "Error connecting to server:\n%1" )
.arg( str( sys.exc_info()[ 1 ] ) ) )
return
try:
cat.getrecordbyid( [ self.catalog.records[ recordId ].identifier ] )
except:
QApplication.restoreOverrideCursor()
print "CSWClient unexpected error:", sys.exc_info()[ 0 ], sys.exc_info()[ 1 ], sys.exc_info()[ 2 ]
QMessageBox.warning( self, self.tr( "GetRecords error" ),
self.tr( "Error getting server response:\n%1" )
.arg( str( sys.exc_info()[ 1 ] ) ) )
return
QApplication.restoreOverrideCursor()
if cat.exceptionreport:
print cat.exceptionreport.exceptions
QMessageBox.warning( self, self.tr( "Metadata request error" ),
self.tr( "Can't get metadata for record %1:\n%2: %3" )
.arg( recordId )
.arg( cat.exceptionreport.exceptions[ 0 ][ "exceptionCode" ])
.arg( cat.exceptionreport.exceptions[ 0 ][ "ExceptionText" ] ) )
return
metadata = utils.recordMetadata( cat.records[ recordId ] )
myStyle = QgsApplication.reportStyleSheet()
dlg = CSWResponseDialog()
dlg.textXml.document().setDefaultStyleSheet( myStyle )
dlg.textXml.setHtml( metadata )
dlg.exec_()
def startSearch( self ):
self.catalog = None
self.bbox = None
self.keywords = None
# clear all fields and disable buttons
self.lblResults.setText( self.tr( "" ) )
self.treeRecords.clear()
self.textAbstract.clear()
self.leDataUrl.clear()
self.btnAddToWms.setEnabled( False )
self.btnOpenUrl.setEnabled( False )
self.btnMetadata.setEnabled( False )
self.btnShowXml.setEnabled( False )
self.btnFirst.setEnabled( False )
self.btnPrev.setEnabled( False )
self.btnNext.setEnabled( False )
self.btnLast.setEnabled( False )
# save some settings
settings = QSettings()
settings.setValue( "/CSWClient/returnRecords", self.spnRecords.cleanText() )
# start position and number of records to return
self.startFrom = 0
self.maxRecords = self.spnRecords.value()
# bbox
minX = self.leWest.text()
minY = self.leSouth.text()
maxX = self.leEast.text()
maxY = self.leNorth.text()
self.bbox = [ minX, minY, maxX, maxY ]
# keywords
if self.leKeywords.text().isEmpty():
self.keywords = []
else:
self.keywords = self.leKeywords.text().split( "," )
# build request
try:
QApplication.setOverrideCursor( QCursor( Qt.WaitCursor ) )
self.catalog = csw( self.catalogUrl )
except urllib2.HTTPError:
QApplication.restoreOverrideCursor()
print "CSWClient HTTP error:", sys.exc_info()[ 0 ], sys.exc_info()[ 1 ], sys.exc_info()[ 2 ]
QMessageBox.warning( self, self.tr( "Connection error" ),
self.tr( "Error connecting to server:\n%1" )
.arg( str( sys.exc_info()[ 1 ] ) ) )
return
except ExpatError:
QApplication.restoreOverrideCursor()
print "CSWClient parse error:", sys.exc_info()[ 0 ], sys.exc_info()[ 1 ], sys.exc_info()[ 2 ]
QMessageBox.warning( self, self.tr( "Parse error" ),
self.tr( "Error parsing server response:\n%1" )
.arg( str( sys.exc_info()[ 1 ] ) ) )
return
except:
QApplication.restoreOverrideCursor()
print "CSWClient unexpected error:", sys.exc_info()[ 0 ], sys.exc_info()[ 1 ], sys.exc_info()[ 2 ]
QMessageBox.warning( self, self.tr( "Error" ),
self.tr( "Error connecting to server:\n%1" )
.arg( str( sys.exc_info()[ 1 ] ) ) )
return
# TODO: allow users to select resources types to find. qtype = "service", "dataset"...
try:
self.catalog.getrecords( qtype = None, keywords = self.keywords, bbox = self.bbox, sortby = None, maxrecords = self.maxRecords )
except:
QApplication.restoreOverrideCursor()
print "CSWClient unexpected error:", sys.exc_info()[ 0 ], sys.exc_info()[ 1 ], sys.exc_info()[ 2 ]
QMessageBox.warning( self, self.tr( "GetRecords error" ),
self.tr( "Error getting server response:\n%1" )
.arg( str( sys.exc_info()[ 1 ] ) ) )
return
QApplication.restoreOverrideCursor()
if self.catalog.exceptionreport:
print self.catalog.exceptionreport.exceptions
QMessageBox.warning( self, self.tr( "Error" ),
self.tr( "CSW exception %1:\n%2" )
.arg( self.catalog.exceptionreport.exceptions[ 0 ][ "exceptionCode" ])
.arg( self.catalog.exceptionreport.exceptions[ 0 ][ "ExceptionText" ] ) )
return
if not self.catalog.results:
print "There are no results"
QMessageBox.information( self, self.tr( "Search" ),
self.tr( "There are no records in server response." ) )
return
if self.catalog.results[ "matches" ] == 0:
QMessageBox.information( self, self.tr( "Search" ),
self.tr( "There are no records matching your criteria." ) )
self.lblResults.setText( self.tr( "Nothing found" ) )
return
self.displayResults()