def get_vector_result(self, order_params):
"""
Queries vector data for stats and updates the CSV element for output
:param order_params: params to query for
:param csv_element: The CSV row to update
:return: None
"""
result_data = None
vector_url = VECTOR_TYPE_QUERY.substitute(upper=str(order_params.top), right=str(order_params.right),
lower=str(order_params.bottom), left=str(order_params.left))
headers = self.headers.copy()
headers[HEADER_CONTENT_TYPE] = CONTENT_TYPE_JSON
for i in range(0, NUM_TIMES_TO_TRY):
response = None
try:
request = urllib2.Request(vector_url, None, headers)
response = self.opener.open(request)
response_data = response.read()
result_data = json.loads(response_data, strict=False)
self.is_login_successful = True
except Exception, e:
self.is_login_successful = False
QgsMessageLog.instance().logMessage("Unable to hit the vector end point due to: " + str(e) + "; trying "
+ str(NUM_TIMES_TO_TRY - i - 1)
+ " more times.", TAG_NAME, level=QgsMessageLog.CRITICAL)
if response and self.is_login_successful:
return result_data
def __init__(self, iface, parent=None):
super(BlockGridDialog, self).__init__(parent)
# Set up the user interface from Designer.
self.setupUi(self)
# The qgis interface
self.iface = iface
self.DISP_TEMP_LAYERS = read_setting(PLUGIN_NAME + '/DISP_TEMP_LAYERS',
bool)
# Catch and redirect python errors directed at the log messages python error tab.
QgsMessageLog.instance().messageReceived.connect(errorCatcher)
if not os.path.exists(TEMPDIR):
os.mkdir(TEMPDIR)
# Setup for validation messagebar on gui-----------------------------
self.messageBar = QgsMessageBar(
self) # leave this message bar for bailouts
self.validationLayout = QtGui.QFormLayout(self) # new layout to gui
if isinstance(self.layout(), QtGui.QFormLayout):
# create a validation layout so multiple messages can be added and cleaned up.
self.layout().insertRow(0, self.validationLayout)
self.layout().insertRow(0, self.messageBar)
else:
self.layout().insertWidget(
0,
self.messageBar) # for use with Vertical/horizontal layout box
self.setMapLayers()
# GUI Runtime Customisation -----------------------------------------------
self.setWindowIcon(
QtGui.QIcon(':/plugins/pat/icons/icon_blockGrid.svg'))
# hide some objects on the form, delete later if no longer needed.
self.chkDisplayResults.hide()
self.lblNoDataVal.hide()
self.spnNoDataVal.hide()
def get_vector_result(self, order_params):
"""
Queries vector data for stats and updates the CSV element for output
:param order_params: params to query for
:param csv_element: The CSV row to update
:return: None
"""
result_data = None
vector_url = VECTOR_TYPE_QUERY.substitute(
upper=str(order_params.top),
right=str(order_params.right),
lower=str(order_params.bottom),
left=str(order_params.left))
headers = self.headers.copy()
headers[HEADER_CONTENT_TYPE] = CONTENT_TYPE_JSON
for i in range(0, NUM_TIMES_TO_TRY):
response = None
try:
request = urllib2.Request(vector_url, None, headers)
response = self.opener.open(request)
response_data = response.read()
result_data = json.loads(response_data, strict=False)
self.is_login_successful = True
except Exception, e:
self.is_login_successful = False
QgsMessageLog.instance().logMessage(
"Unable to hit the vector end point due to: " + str(e) +
"; trying " + str(NUM_TIMES_TO_TRY - i - 1) +
" more times.",
TAG_NAME,
level=QgsMessageLog.CRITICAL)
if response and self.is_login_successful:
return result_data
