def multiple_solver(self, G, sources, grounds, finitegrounds):
"""Solver used for advanced mode."""
Gsolve = G
if finitegrounds[0] != -9999:
Gsolve = G + sparse.spdiags(finitegrounds.T, 0, G.shape[0], G.shape[0])
##remove infinite grounds from graph
infgroundlist = np.where(grounds==np.Inf)
infgroundlist = infgroundlist[0]
numinfgrounds = infgroundlist.shape[0]
dst_to_delete = []
for ground in range(1, numinfgrounds+1):
dst = infgroundlist[numinfgrounds-ground]
dst_to_delete.append(dst)
#Gsolve = deleterowcol(Gsolve, delrow = dst, delcol = dst)
keep = np.delete(np.arange(0, sources.shape[0]), dst)
sources = sources[keep]
Gsolve = ComputeBase.deleterowcol(Gsolve, delrow = dst_to_delete, delcol = dst_to_delete)
self.state.create_amg_hierarchy(Gsolve, self.options.solver)
voltages = ComputeBase.solve_linear_system(Gsolve, sources, self.options.solver, self.state.amg_hierarchy)
del Gsolve
self.state.del_amg_hierarchy()
numinfgrounds = infgroundlist.shape[0]
if numinfgrounds>0:
#replace infinite grounds in voltage vector
for ground in range(numinfgrounds,0, -1):
node = infgroundlist[numinfgrounds - ground]
voltages = np.asmatrix(np.insert(voltages,node,0)).T
return np.asarray(voltages).reshape(voltages.size)
def emit(self, record):
try:
msg = self.format(record)
msg = msg.strip('\r')
status_msg = None
if ('\n' not in msg and 'elapsed' not in msg): # dispay simple info messages in the status bar
plain_msg = logging._defaultFormatter.format(record)
if (record.levelname == 'INFO'):
status_msg = (plain_msg, 1)
elif (record.levelname == 'DEBUG'):
status_msg = (plain_msg, 2)
evt = wxLogEvent(message=msg, levelname=record.levelname, status_msg=status_msg)
wx.PostEvent(self.dest, evt) # @UndefinedVariable
(hours,mins,secs) = ComputeBase.elapsed_time(self.last_gui_yield_time)
if (secs > 0) or (mins > 0) or (hours > 0):
self.last_gui_yield_time = time.time()
wx.SafeYield(None, True) # @UndefinedVariable
wx.GetApp().Yield(True) # @UndefinedVariable
except (KeyboardInterrupt, SystemExit):
raise
except:
self.handleError(record)
def on_menuFileRunBatch_select(self, event):
wildcard = "Options Files (*.ini)|*.ini"
result = dialog.fileDialog(self, 'Select any number of Circuitscape Options Files within one directory', '', '', wildcard )
if result.accepted==True:
wx.BeginBusyCursor() # @UndefinedVariable
GUI.logger.debug('Running Circuitscape in batch mode')
startTime = time.time()
startTimeHMS = time.strftime('%H:%M:%S')
self.statusBar.SetStatusText('Batch start ' + str(startTimeHMS), 0)
job = 0
numjobs = len(result.paths)
for selection in result.paths:
job += 1
_configDir, configFile = os.path.split(selection)
GUI.logger.debug('Processing ' + configFile)
self.statusBar.SetStatusText('Batch start ' + str(startTimeHMS) + '. Running job ' + str(job) +'/' + str(numjobs), 0)
try:
cs = Compute(selection, GUI.log_handler)
except RuntimeError as error:
wx.EndBusyCursor() # @UndefinedVariable
message = str(error)
dial = wx.MessageDialog(None, message, 'Error', wx.OK | wx.ICON_ERROR) # @UndefinedVariable
dial.ShowModal()
return
except MemoryError:
wx.EndBusyCursor() # @UndefinedVariable
self.memory_error_feedback()
return
except:
wx.EndBusyCursor() # @UndefinedVariable
self.unknown_exception()
return
try:
self.statusBar.SetStatusText('',1)
self.statusBar.SetStatusText('',2)
result, _solver_failed = cs.compute()
GUI.logger.debug('Finished processing ' + configFile)
except RuntimeError as error:
message = str(error)
dial = wx.MessageDialog(None, message, 'Error', wx.OK | wx.ICON_ERROR) # @UndefinedVariable
dial.ShowModal()
except MemoryError:
self.memory_error_feedback()
return
except:
self.unknown_exception()
GUI.logger.debug('Done with batch operations.')
wx.EndBusyCursor() # @UndefinedVariable
self.components.calcButton.SetFocus()
self.reset_status_bar()
(hours,mins,secs) = ComputeBase.elapsed_time(startTime)
if hours > 0:
self.statusBar.SetStatusText('Batch job took ' + str(hours) +' hours ' + str(mins) + ' minutes to complete.',2)
else:
self.statusBar.SetStatusText('Batch job took ' + str(mins) +' minutes ' + str(secs) + ' seconds to complete.',2)
def read_graph(self, filename):
"""Reads arbitrary graph from disk. Returns sparse adjacency matrix and node names ."""
graph_list = CSIO.load_graph(filename)
try:
zeros_in_resistance_graph = False
nodes = ComputeBase.deletecol(graph_list,2)
node_names = np.unique(np.asarray(nodes, dtype='int32'))
nodes[np.where(nodes>= 0)] = ComputeBase.relabel(nodes[np.where(nodes>= 0)], 0)
node1 = nodes[:,0]
node2 = nodes[:,1]
data = graph_list[:,2]
######################## Reclassification code
if self.options.use_reclass_table == True:
try:
reclass_table = CSIO.read_point_strengths(self.options.reclass_file)
except:
raise RuntimeError('Error reading reclass table. Please check file format.')
for i in range (0,reclass_table.shape[0]):
data = np.where(data==reclass_table[i,0], reclass_table[i,1],data)
Compute.logger.info('Reclassified landscape graph using %s'%(self.options.reclass_file,))
########################
if self.options.habitat_map_is_resistances == True:
zeros_in_resistance_graph = (np.where(data==0, 1, 0)).sum() > 0
conductances = 1/data
else:
conductances = data
numnodes = node_names.shape[0]
G = sparse.csr_matrix((conductances, (node1, node2)), shape = (numnodes, numnodes))
Gdense=G.todense()
g_graph = np.maximum(Gdense, Gdense.T) # To handle single or double entries for elements BHM 06/28/11
g_graph = sparse.csr_matrix(g_graph)
except:
raise RuntimeError('Error processing graph/network file. Please check file format')
if zeros_in_resistance_graph == True:
raise RuntimeError('Error: zero resistance values are not currently allowed in network/graph input file.')
return g_graph, node_names
def read_focal_nodes(self, filename):
"""Loads list of focal nodes for arbitrary graph."""
focal_nodes = CSIO.load_graph(filename)
try:
if filename == self.options.habitat_file:#If graph was used as focal node file, then just want first two columns for focal_nodes.
focal_nodes = ComputeBase.deletecol(focal_nodes, 2)
focal_nodes = np.unique(np.asarray(focal_nodes))
except:
raise RuntimeError('Error processing focal node file. Please check file format')
return focal_nodes
def single_ground_solver(G, src, dst, solver_type, ml):
"""Solver used for pairwise mode."""
n = G.shape[0]
rhs = np.zeros(n, dtype = 'float64')
if src==dst:
voltages = np.zeros(n, dtype = 'float64')
else:
rhs[dst] = -1
rhs[src] = 1
voltages = ComputeBase.solve_linear_system (G, rhs, solver_type, ml)
return voltages
def on_initialize(self, event):
self.state = {}
self.state['version'] = __version__
#LOAD LAST self.options
configFile = 'circuitscape.ini'
self.options = self.LoadOptions(configFile)
self.options.version = self.state['version']
self.options.log_level = 'INFO'
##Set all objects to reflect options
if sys.platform.startswith('win'):
_icon = wx.Icon('cs_logo.ico', wx.BITMAP_TYPE_ICO) # @UndefinedVariable
self.SetIcon(_icon)
self.components.Image1.file = get_packaged_resource('cs_logo.jpg')
self.setWidgets()
self.components.calcButton.SetFocus()
self.statusBar = self.CreateStatusBar()
self.statusBar.SetFieldsCount(3)
self.reset_status_bar()
GUI.log_handler = GUILogger(self)
GUI.logger = ComputeBase._create_logger("circuitscape_gui", getattr(logging, self.options.log_level.upper()), None, False, GUI.log_handler)
self.Bind(EVT_WX_LOG_EVENT, self.onLogEvent)
def advanced_module(self, g_habitat, out, source_map, ground_map, source_id=None, component_with_points=None):
solver_called = False
solver_failed = False
node_map = None
if component_with_points != None:
G = g_habitat.get_graph()
G = ComputeBase.laplacian(G)
node_map = g_habitat.node_map
vc_map_id = '' if source_id==None else str(source_id)
out.alloc_v_map(vc_map_id)
if self.options.write_cur_maps:
out.alloc_c_map(vc_map_id)
for comp in range(1, g_habitat.num_components+1):
if (component_with_points != None) and (comp != component_with_points):
continue
if self.options.data_type == 'raster':
c_map = np.where(g_habitat.component_map == comp, 1, 0)
local_source_map = np.multiply(c_map, source_map)
local_ground_map = np.where(c_map, ground_map, 0)
del c_map
have_sources = (np.where(local_source_map, 1, 0)).sum() > 0
have_grounds = (np.where(local_ground_map, 1, 0)).sum() > 0
else:
c_map = np.where(g_habitat.components == comp, 1, 0)
sources = np.zeros(g_habitat.num_nodes)
for idx in range(0, source_map.shape[0]):
sources = np.where(g_habitat.node_map == source_map[idx,0], source_map[idx,1], sources)
grounds = -9999 * np.ones(g_habitat.num_nodes)
for idx in range(0, ground_map.shape[0]):
grounds = np.where(g_habitat.node_map == ground_map[idx,0], ground_map[idx,1], grounds)
if self.options.ground_file_is_resistances:
_grounds = 1 / grounds
grounds = np.where(grounds == -9999, 0, _grounds)
else:
grounds = np.where(grounds == -9999, 0, grounds)
have_sources = (np.where(sources, 1, 0)).sum() > 0
have_grounds = (np.where(grounds, 1, 0)).sum() > 0
if not (have_sources and have_grounds):
continue
if component_with_points == None:
(G, node_map) = g_habitat.prune_nodes_for_component(comp)
G = ComputeBase.laplacian(G)
if self.options.data_type == 'raster':
(rows, cols) = np.where(local_source_map)
values = local_source_map[rows,cols]
local_sources_rc = np.c_[values,rows,cols]
(rows, cols) = np.where(local_ground_map)
values = local_ground_map[rows,cols]
local_grounds_rc = np.c_[values,rows,cols]
del rows, cols, values, local_source_map, local_ground_map
numnodes = node_map.max()
sources = np.zeros(numnodes)
grounds = np.zeros(numnodes)
num_local_sources = local_sources_rc.shape[0]
num_local_grounds = local_grounds_rc.shape[0]
for source in range(0, num_local_sources):
src = self.grid_to_graph(local_sources_rc[source,1], local_sources_rc[source,2], node_map)
# Possible to have more than one source at a node when there are polygons
sources[src] += local_sources_rc[source,0]
for ground in range(0, num_local_grounds):
gnd = self.grid_to_graph (local_grounds_rc[ground,1], local_grounds_rc[ground,2], node_map)
# Possible to have more than one ground at a node when there are polygons
grounds[gnd] += local_grounds_rc[ground,0]
(sources, grounds, finitegrounds) = self.resolve_conflicts(sources, grounds)
solver_called = True
try:
voltages = self.multiple_solver(G, sources, grounds, finitegrounds)
del sources, grounds
except MemoryError:
raise MemoryError
except:
voltages = -777
solver_failed = True
if solver_failed==False:
##Voltage and current mapping are cumulative, since there may be independent components.
if self.options.write_volt_maps or (self.options.scenario=='one-to-all'):
out.accumulate_v_map(vc_map_id, voltages, node_map)
if self.options.write_cur_maps:
out.accumulate_c_map(vc_map_id, voltages, G, node_map, finitegrounds, None, None)
if solver_failed==False and self.options.write_volt_maps:
out.write_v_map(vc_map_id)
if (self.options.write_cur_maps) and ((source_id == None) or ((source_id != None) and (self.options.write_cum_cur_map_only==False))):
out.write_c_map(vc_map_id, node_map=node_map)
if self.options.scenario=='one-to-all':
if solver_failed==False:
(row, col) = np.where(source_map>0)
vmap = out.get_v_map(vc_map_id)
voltages = vmap[row,col]/source_map[row,col] #allows for variable source strength
elif self.options.scenario=='all-to-one':
if solver_failed==False:
voltages = 0 #return 0 voltage/resistance for all-to-one mode
out.rm_v_map(vc_map_id)
# Advanced mode will return voltages of the last component solved only for verification purposes.
if solver_called==False:
voltages = -1
return voltages, out.get_c_map(vc_map_id, True), solver_failed
def single_ground_all_pair_resistances(self, g_habitat, fp, cs, report_status):
"""Handles pairwise resistance/current/voltage calculations.
Called once when focal points are used, called multiple times when focal regions are used.
"""
options = self.options
last_write_time = time.time()
numpoints = fp.num_points()
parallelize = options.parallelize
# TODO: revisit to see if restriction can be removed
if options.low_memory_mode==True or self.state.point_file_contains_polygons==True:
parallelize = False
if (self.state.point_file_contains_polygons == True) or (options.write_cur_maps == True) or (options.write_volt_maps == True) or (options.use_included_pairs==True) or (options.data_type=='network'):
use_resistance_calc_shortcut = False
else:
use_resistance_calc_shortcut = True # We use this when there are no focal regions. It saves time when we are also not creating maps
shortcut_resistances = -1 * np.ones((numpoints, numpoints), dtype='float64')
solver_failed_somewhere = [False]
Compute.logger.info('Graph has ' + str(g_habitat.num_nodes) + ' nodes, ' + str(numpoints) + ' focal nodes and '+ str(g_habitat.num_components)+ ' components.')
resistances = -1 * np.ones((numpoints, numpoints), dtype = 'float64') #Inf creates trouble in python 2.5 on Windows. Use -1 instead.
# if use_resistance_calc_shortcut==True:
# num_points_to_solve = numpoints
# else:
# num_points_to_solve = numpoints*(numpoints-1)/2
num_points_to_solve = 0
max_parallel = 0
for c in range(1, int(g_habitat.num_components+1)):
if not fp.exists_points_in_component(c, g_habitat):
continue
num_parallel = 0
for (pt1_idx, pt2_idx) in fp.point_pair_idxs_in_component(c, g_habitat):
if pt2_idx == -1:
if (use_resistance_calc_shortcut==True):
max_parallel = max(max_parallel, num_parallel)
num_parallel = 0
break
else:
max_parallel = max(max_parallel, num_parallel)
num_parallel = 0
continue
num_parallel += 1
num_points_to_solve += 1
Compute.logger.debug('max parallel possible = ' + str(max_parallel) + ', will parallelize = ' + str(parallelize))
num_points_solved = 0
for c in range(1, int(g_habitat.num_components+1)):
if not fp.exists_points_in_component(c, g_habitat):
continue
G_pruned, local_node_map = g_habitat.prune_nodes_for_component(c)
G = ComputeBase.laplacian(G_pruned)
del G_pruned
if use_resistance_calc_shortcut:
voltmatrix = np.zeros((numpoints,numpoints), dtype='float64') #For resistance calc shortcut
G_dst_dst = local_dst = None
for (pt1_idx, pt2_idx) in fp.point_pair_idxs_in_component(c, g_habitat):
if pt2_idx == -1:
if parallelize:
self.state.worker_pool_wait()
self.state.del_amg_hierarchy()
if (local_dst != None) and (G_dst_dst != None):
G[local_dst, local_dst] = G_dst_dst
local_dst = G_dst_dst = None
if (use_resistance_calc_shortcut==True):
Compute.get_shortcut_resistances(pt1_idx, voltmatrix, numpoints, resistances, shortcut_resistances)
break #No need to continue, we've got what we need to calculate resistances
else:
continue
if parallelize:
self.state.worker_pool_create(options.max_parallel, True)
if report_status==True:
num_points_solved += 1
if use_resistance_calc_shortcut==True:
Compute.logger.info('solving focal node ' + str(num_points_solved) + ' of '+ str(num_points_to_solve))
else:
Compute.logger.info('solving focal pair ' + str(num_points_solved) + ' of '+ str(num_points_to_solve))
local_src = fp.get_graph_node_idx(pt2_idx, local_node_map)
if None == local_dst:
local_dst = fp.get_graph_node_idx(pt1_idx, local_node_map)
G_dst_dst = G[local_dst, local_dst]
G[local_dst, local_dst] = 0
if self.state.amg_hierarchy == None:
self.state.create_amg_hierarchy(G, self.options.solver)
if use_resistance_calc_shortcut:
post_solve = self._post_single_ground_solve(G, fp, cs, resistances, numpoints, pt1_idx, pt2_idx, local_src, local_dst, local_node_map, solver_failed_somewhere, use_resistance_calc_shortcut, voltmatrix)
else:
post_solve = self._post_single_ground_solve(G, fp, cs, resistances, numpoints, pt1_idx, pt2_idx, local_src, local_dst, local_node_map, solver_failed_somewhere)
if parallelize:
self.state.worker_pool.apply_async(Compute.parallel_single_ground_solver, args=(G, local_src, local_dst, options.solver, self.state.amg_hierarchy), callback=post_solve)
#post_solve(self.state.worker_pool.apply(Compute.parallel_single_ground_solver, args=(G, local_src, local_dst, options.solver, self.state.amg_hierarchy)))
else:
try:
voltages = Compute.single_ground_solver(G, local_src, local_dst, options.solver, self.state.amg_hierarchy)
except:
voltages = None
post_solve(voltages)
if options.low_memory_mode==True or self.state.point_file_contains_polygons==True:
self.state.del_amg_hierarchy()
(hours,mins,_secs) = ComputeBase.elapsed_time(last_write_time)
if mins > 2 or hours > 0:
last_write_time = time.time()
CSIO.write_resistances(options.output_file, resistances, incomplete=True)# Save incomplete resistances
self.state.del_amg_hierarchy()
# Finally, resistance to self is 0.
if use_resistance_calc_shortcut==True:
resistances = shortcut_resistances
for i in range(0, numpoints):
resistances[i, i] = 0
return resistances, solver_failed_somewhere[0]
def one_to_all_module(self, g_map, poly_map, points_rc):
"""Overhead module for one-to-all AND all-to-one modes with raster data."""
last_write_time = time.time()
out = Output(self.options, self.state, False)
if self.options.write_cur_maps:
out.alloc_c_map('')
if self.options.write_max_cur_maps:
out.alloc_c_map('max')
fp = FocalPoints(points_rc, self.state.included_pairs, False)
fp = FocalPoints(fp.get_unique_coordinates(), self.state.included_pairs, False)
point_ids = fp.point_ids
points_rc_unique = fp.points_rc
included_pairs = self.state.included_pairs
resistance_vector = np.zeros((point_ids.size,2), float)
solver_failed_somewhere = False
if self.options.use_included_pairs==False: #Will do this each time later if using included pairs
point_map = np.zeros((self.state.nrows, self.state.ncols), int)
point_map[points_rc[:,1], points_rc[:,2]] = points_rc[:,0]
#combine point map and poly map
poly_map_temp = self.get_poly_map_temp(poly_map, point_map, point_ids)
unique_point_map = np.zeros((self.state.nrows, self.state.ncols), int)
unique_point_map[points_rc_unique[:,1], points_rc_unique[:,2]] = points_rc_unique[:,0]
(strength_map, strengths_rc) = self.get_strength_map(points_rc_unique, self.state.point_strengths)
g_habitat = HabitatGraph(g_map=g_map, poly_map=poly_map_temp, connect_using_avg_resistances=self.options.connect_using_avg_resistances, connect_four_neighbors_only=self.options.connect_four_neighbors_only)
Compute.logger.info('Graph has ' + str(g_habitat.num_nodes) + ' nodes and '+ str(g_habitat.num_components) + ' components.')
component_with_points = g_habitat.unique_component_with_points(unique_point_map)
else:
if Compute.logger.isEnabledFor(logging.DEBUG):
g_habitat = HabitatGraph(g_map=g_map, poly_map=poly_map, connect_using_avg_resistances=self.options.connect_using_avg_resistances, connect_four_neighbors_only=self.options.connect_four_neighbors_only)
Compute.logger.info('Graph has ' + str(g_habitat.num_nodes) + ' nodes and '+ str(g_habitat.num_components) + ' components.')
component_with_points = None
for pt_idx in range(0, point_ids.size): # These are the 'src' nodes, pt_idx.e. the 'one' in all-to-one and one-to-all
Compute.logger.info('solving focal node ' + str(pt_idx+1) + ' of ' + str(point_ids.size))
if self.options.use_included_pairs==True: # Done above otherwise
#######################
points_rc_unique_temp = np.copy(points_rc_unique)
point_map = np.zeros((self.state.nrows, self.state.ncols), int)
point_map[points_rc[:,1], points_rc[:,2]] = points_rc[:,0]
#loop thru exclude[point,:], delete included pairs of focal point from point_map and points_rc_unique_temp
for pair in range(0, point_ids.size):
if (pt_idx != pair) and not self.state.included_pairs.is_included_pair(point_ids[pt_idx], point_ids[pair]):
pt_id = point_ids[pair]
point_map = np.where(point_map==pt_id, 0, point_map)
points_rc_unique_temp[pair, 0] = 0 #point will not be burned in to unique_point_map
poly_map_temp = self.get_poly_map_temp2(poly_map, point_map, points_rc_unique_temp, included_pairs, pt_idx)
g_habitat = HabitatGraph(g_map=g_map, poly_map=poly_map_temp, connect_using_avg_resistances=self.options.connect_using_avg_resistances, connect_four_neighbors_only=self.options.connect_four_neighbors_only)
unique_point_map = np.zeros((self.state.nrows, self.state.ncols),int)
unique_point_map[points_rc_unique_temp[:,1], points_rc_unique_temp[:,2]] = points_rc_unique_temp[:,0]
(strength_map, strengths_rc) = self.get_strength_map(points_rc_unique_temp, self.state.point_strengths)
###########################################
src = point_ids[pt_idx]
if unique_point_map.sum() == src: # src is the only point
resistance_vector[pt_idx,0] = src
resistance_vector[pt_idx,1] = -1
else: # there are points to connect with src point
if self.options.scenario == 'one-to-all':
strength = strengths_rc[pt_idx,0] if self.options.use_variable_source_strengths else 1
source_map = np.where(unique_point_map == src, strength, 0)
ground_map = np.where(unique_point_map == src, 0, unique_point_map)
ground_map = np.where(ground_map, np.Inf, 0)
self.options.remove_src_or_gnd = 'rmvgnd'
else: # all-to-one
if self.options.use_variable_source_strengths==True:
source_map = np.where(unique_point_map == src, 0, strength_map)
else:
source_map = np.where(unique_point_map, 1, 0)
source_map = np.where(unique_point_map == src, 0, source_map)
ground_map = np.where(unique_point_map == src, np.Inf, 0)
self.options.remove_src_or_gnd = 'rmvsrc'
#FIXME: right now one-to-all *might* fail if there is just one node that is not grounded (I haven't encountered this problem lately BHM Nov 2009).
resistance, current_map, solver_failed = self.advanced_module(g_habitat, out, source_map, ground_map, src, component_with_points)
if not solver_failed:
if self.options.write_cur_maps:
out.accumulate_c_map_with_values('', current_map)
if self.options.write_max_cur_maps:
out.store_max_c_map_values('max', current_map)
else:
Compute.logger.warning('Solver failed for at least one focal node. Focal nodes with failed solves will be marked with value of -777 in output resistance list.')
resistance_vector[pt_idx,0] = src
resistance_vector[pt_idx,1] = resistance
if solver_failed==True:
solver_failed_somewhere = True
(hours,mins,_secs) = ComputeBase.elapsed_time(last_write_time)
if mins > 2 or hours > 0:
last_write_time = time.time()
CSIO.write_resistances(self.options.output_file, resistance_vector, incomplete=True)
if not solver_failed_somewhere:
if self.options.write_cur_maps:
out.write_c_map('', True)
if self.options.write_max_cur_maps:
out.write_c_map('max', True)
CSIO.write_resistances(self.options.output_file, resistance_vector)
return resistance_vector, solver_failed_somewhere
def on_logLevelChoice_select(self, event):
log_lvl = event.GetSelection()
self.options.log_level = GUI.OPTIONS_LOG_LEVEL[log_lvl]
GUI.logger = ComputeBase._create_logger("circuitscape_gui", getattr(logging, self.options.log_level), None, False, GUI.log_handler)
GUI.logger.setLevel(getattr(logging, self.options.log_level.upper()))
GUI.log_handler.setLevel(getattr(logging, self.options.log_level.upper()))
