err = "Exception caught: unable to update row"
printRow(row, names)
dla.showTraceback()
dla.addError(err)
except:
dla._errCount += 1
success = False
err = "Exception caught: unable to update dataset"
if row != None:
printRow(row, names)
dla.showTraceback()
dla.addError(err)
finally:
del updateCursor
dla.cleanupGarbage()
arcpy.ResetProgressor()
return success
def getSplit(sourceValue, splitter, part):
strVal = None
try:
strVal = sourceValue.split(str(splitter))[int(part)]
except:
pass
return strVal
def calculate(xmlFileName, workspace, name, ignore):
dla.workspace = workspace
success = True
arcpy.ClearWorkspaceCache_management(dla.workspace)
xmlDoc = dla.getXmlDoc(xmlFileName)
arcpy.env.Workspace = dla.workspace
table = dla.getTempTable(name)
if not arcpy.Exists(table):
dla.addError("Feature Class " + table + " does not exist, exiting")
arcpy.SetParameter(SUCCESS, False)
return
if not arcpy.TestSchemaLock(table):
dla.addError("Unable to obtain a schema lock for " + table +
", exiting")
arcpy.SetParameter(SUCCESS, False)
return -1
desc = arcpy.Describe(table)
fields = dla.getXmlElements(xmlFileName, "Field")
sourceFields = dla.getXmlElements(xmlFileName, "SourceField")
targetFields = dla.getXmlElements(xmlFileName, "TargetField")
attrs = [f.name for f in arcpy.ListFields(table)]
for field in fields:
arcpy.env.Workspace = dla.workspace
targetName = dla.getNodeValue(field, "TargetName")
sourceName = dla.getNodeValue(field, "SourceName")
type = "String"
length = "50"
for target in targetFields:
nm = target.getAttributeNode("Name").nodeValue
if nm == targetName:
type = target.getAttributeNode("Type").nodeValue
length = target.getAttributeNode("Length").nodeValue
# uppercase compare, later need to check for orig/upper name for calc
#ups = [nm.upper() for nm in attrs]
dla.addDlaField(table, targetName, field, attrs, type, length)
allFields = sourceFields + targetFields
names = []
types = []
lengths = []
for field in allFields:
nm = field.getAttributeNode("Name").nodeValue
if nm != dla.noneName:
names.append(nm)
typ = field.getAttributeNode("Type").nodeValue
leng = field.getAttributeNode("Length").nodeValue
types.append(typ)
lengths.append(leng)
retVal = setFieldValues(table, fields, names, types, lengths)
if retVal == False:
success = False
arcpy.ClearWorkspaceCache_management(dla.workspace)
dla.cleanupGarbage()
arcpy.ResetProgressor()
if ignore == True:
success = True
return success
def calculate(xmlFileName,workspace,name,ignore):
dla.workspace = workspace
success = True
arcpy.ClearWorkspaceCache_management(dla.workspace)
xmlDoc = dla.getXmlDoc(xmlFileName)
dla.addMessage("Field Calculator: " + xmlFileName)
arcpy.env.Workspace = dla.workspace
table = dla.getTempTable(name)
if not arcpy.Exists(table):
dla.addError("Feature Class " + table + " does not exist, exiting")
arcpy.SetParameter(SUCCESS, False)
return
if not arcpy.TestSchemaLock(table):
dla.addError("Unable to obtain a schema lock for " + table + ", exiting")
arcpy.SetParameter(SUCCESS, False)
return -1
desc = arcpy.Describe(table)
fields = dla.getXmlElements(xmlFileName,"Field")
sourceFields = dla.getXmlElements(xmlFileName,"SourceField")
targetFields = dla.getXmlElements(xmlFileName,"TargetField")
attrs = [f.name for f in arcpy.ListFields(table)]
for field in fields:
arcpy.env.Workspace = dla.workspace
targetName = dla.getNodeValue(field,"TargetName")
sourceName = dla.getNodeValue(field,"SourceName")
ftype = "String"
length = "50"
for target in targetFields:
nm = target.getAttributeNode("Name").nodeValue
if nm == targetName:
ftype = target.getAttributeNode("Type").nodeValue
length = target.getAttributeNode("Length").nodeValue
# uppercase compare, later need to check for orig/upper name for calc
#ups = [nm.upper() for nm in attrs]
dla.addDlaField(table,targetName,field,attrs,ftype,length)
allFields = sourceFields + targetFields
desc = arcpy.Describe(table)
layerNames = []
names = []
ftypes = []
lengths = []
ignore = ['FID','OBJECTID','GLOBALID','SHAPE','SHAPE_AREA','SHAPE_LENGTH','SHAPE_LEN','STLENGTH()','STAREA()','raster']
for name in ['OIDFieldName','ShapeFieldName','LengthFieldName','AreaFieldName','GlobalIDFieldName','RasterFieldName']:
try:
val = eval("desc." + name)
val = val[val.rfind('.')+1:]
ignore.append(val).upper()
except:
pass
for field in desc.fields:
if field.name.upper() not in ignore:
layerNames.append(field.name.upper())
for field in allFields:
nm = field.getAttributeNode("Name").nodeValue
if nm != dla.noneName and nm.upper() not in ignore and nm.upper() in layerNames:
try:
names.index(nm)
except:
names.append(nm)
typ = field.getAttributeNode("Type").nodeValue
leng = field.getAttributeNode("Length").nodeValue
ftypes.append(typ)
lengths.append(leng)
retVal = setFieldValues(table,fields,names,ftypes,lengths)
if retVal == False:
success = False
arcpy.ClearWorkspaceCache_management(dla.workspace)
dla.cleanupGarbage()
arcpy.ResetProgressor()
if ignore == True:
success = True
return success
def setFieldValues(table,fields,names,ftypes,lengths):
# from source xml file match old values to new values to prepare for append to target geodatabase
success = False
row = None
try:
updateCursor = arcpy.da.UpdateCursor(table,names)
result = arcpy.GetCount_management(table)
numFeat = int(result.getOutput(0))
dla.addMessage(table + ", " + str(numFeat) + " features")
i = 0
arcpy.SetProgressor("Step","Calculating " + table + "...",0,numFeat,getProgressUpdate(numFeat))
for row in updateCursor:
success = True
if dla._errCount > dla.maxErrorCount:
#dla.addMessage("Exceeded max number of errors in dla.maxErrorCount: " + str(dla.maxErrorCount))
dla.addError("Exceeded max number of errors in dla.maxErrorCount: " + str(dla.maxErrorCount))
return False
if i > dla.maxrows:
#dla.addMessage("Exceeded max number of rows supported in dla.maxrows: " + str(dla.maxrows))
dla.addError("Exceeded max number of rows supported in dla.maxrows: " + str(dla.maxrows))
return True
i = i + 1
setProgressor(i,numFeat)
for field in fields:
method = "None"
sourceName = dla.getNodeValue(field,"SourceName")
targetName = dla.getNodeValue(field,"TargetName")
targetValue = getTargetValue(row,field,names,sourceName,targetName)
sourceValue = getSourceValue(row,names,sourceName,targetName)
method = dla.getNodeValue(field,"Method").replace(" ","")
fnum = names.index(targetName)
if method == "None" or (method == "Copy" and sourceName == dla._noneFieldName):
val = None
method = "None"
elif method == "Copy":
val = sourceValue
elif method == "DefaultValue":
val = dla.getNodeValue(field,"DefaultValue")
elif method == "SetValue":
val = dla.getNodeValue(field,"SetValue")
elif method == "ValueMap":
val = getValueMap(row,names,sourceValue,field)
elif method == "ChangeCase":
case = dla.getNodeValue(field,method)
expression = getChangeCase(sourceValue,case)
val = getExpression(row,names,expression)
elif method == "Concatenate":
val = getConcatenate(row,names,field)
elif method == "Left":
chars = dla.getNodeValue(field,"Left")
val = getSubstring(sourceValue,"0",chars)
elif method == "Right":
chars = dla.getNodeValue(field,"Right")
val = getSubstring(sourceValue,len(str(sourceValue))-int(chars),len(str(sourceValue)))
elif method == "Substring":
start = int(dla.getNodeValue(field,"Start"))
lngth = int(dla.getNodeValue(field,"Length"))
if sourceValue != None:
lngth = start + lngth
val = getSubstring(sourceValue,start,lngth)
elif method == "Split":
splitter = dla.getNodeValue(field,"SplitAt")
splitter = splitter.replace("(space)"," ")
part = dla.getNodeValue(field,"Part")
val = getSplit(sourceValue,splitter,part)
elif method == "ConditionalValue":
sname = dla.getNodeValue(field,"SourceName")
oper = dla.getNodeValue(field,"Oper")
iif = dla.getNodeValue(field,"If")
if iif != " " and type(iif) == 'str':
for name in names:
if name in iif:
iif = iif.replace(name,"|"+name+"|")
tthen = dla.getNodeValue(field,"Then")
eelse = dla.getNodeValue(field,"Else")
for name in names:
if name in eelse:
eelse = eelse.replace(name,"|"+name+"|")
expression = "|" + tthen + "| " + " if |" + sname + "| " + oper + " |" + iif + "| else " + eelse
val = getExpression(row,names,expression)
elif method == "Expression":
expression = dla.getNodeValue(field,method)
for name in names:
expression = expression.replace(name,"|" + name + "|")
val = getExpression(row,names,expression)
# set field value
if method != "None" and val != None:
newVal = getValue(names,ftypes,lengths,targetName,targetValue,val)
row[fnum] = newVal
else:
row[fnum] = val
try:
updateCursor.updateRow(row)
except:
dla._errCount += 1
success = False
err = "Exception caught: unable to update row"
printRow(row,names)
dla.showTraceback()
dla.addError(err)
except:
dla._errCount += 1
success = False
err = "Exception caught: unable to update dataset"
if row != None:
printRow(row,names)
dla.showTraceback()
dla.addError(err)
finally:
del updateCursor
dla.cleanupGarbage()
arcpy.ResetProgressor()
return success
def calculate(xmlFileName, workspace, name, ignore):
dla.workspace = workspace
success = True
arcpy.ClearWorkspaceCache_management(dla.workspace)
xmlDoc = dla.getXmlDoc(xmlFileName)
dla.addMessage("Field Calculator: " + xmlFileName)
arcpy.env.Workspace = dla.workspace
table = dla.getTempTable(name)
if not arcpy.Exists(table):
dla.addError("Feature Class " + table + " does not exist, exiting")
arcpy.SetParameter(SUCCESS, False)
return
if not arcpy.TestSchemaLock(table):
dla.addError("Unable to obtain a schema lock for " + table +
", exiting")
arcpy.SetParameter(SUCCESS, False)
return -1
desc = arcpy.Describe(table)
fields = dla.getXmlElements(xmlFileName, "Field")
sourceFields = dla.getXmlElements(xmlFileName, "SourceField")
targetFields = dla.getXmlElements(xmlFileName, "TargetField")
attrs = [f.name for f in arcpy.ListFields(table)]
target_values = CaseInsensitiveDict()
#Fix read into dict, using NM as key
# at this point just getting the list of all target field names/types/lengths
for target in targetFields:
nm = target.getAttributeNode("Name").nodeValue
target_values[nm] = dict(
ftype=target.getAttributeNode("Type").nodeValue,
flength=target.getAttributeNode("Length").nodeValue)
for field in fields:
arcpy.env.Workspace = dla.workspace
targetName = dla.getNodeValue(field, "TargetName")
sourceName = dla.getNodeValue(field, "SourceName")
ftype = "String"
flength = "50"
if targetName in target_values:
ftype = target_values[targetName]['ftype']
flength = target_values[targetName]['flength']
# make sure the field exists in the field calculator dataset, this will include all source and target fields.
retcode = dla.addDlaField(table, targetName, field, attrs, ftype,
flength)
if retcode == False:
addError("Unable to add field " + targetName +
" to database to calculate values, exiting")
allFields = sourceFields + targetFields # this should be the same as the dataset fields at this point
desc = arcpy.Describe(table)
layerNames = []
names = []
ftypes = []
lengths = []
ignore = dla.getIgnoreFieldNames(
desc
) # gdb system fields that will be handled automatically and cannot be calculated
ignore = [nm.upper() for nm in ignore]
for field in desc.fields: # get the uppercase names for everything that exists in the dataset
if field.name.upper() not in ignore:
layerNames.append(field.name.upper())
for field in allFields: # loop through everything that might exist
nm = field.getAttributeNode("Name").nodeValue.replace(
'.', '_') # handle joins and remaining . in field names
if nm != dla._noneFieldName and nm.upper() not in ignore and nm.upper(
) in layerNames: # ignore the None and ignore fields and names not in the dataset
idx = dla.getFieldIndexList(names, nm)
if idx is None: # if the name is not already in the list
names.append(nm)
typ = field.getAttributeNode("Type").nodeValue
leng = field.getAttributeNode("Length").nodeValue
ftypes.append(typ)
lengths.append(leng)
#FIXME : Steve, was not sure why you were capturing an error here, and then doing something # from Steve - was looking for names that actually exist in the dataset and are not gdb system fields. No guarantee Xml matches dataset
#try:
#names.index(nm)
#except:
#names.append(nm)
#typ = field.getAttributeNode("Type").nodeValue
#leng = field.getAttributeNode("Length").nodeValue
#ftypes.append(typ)
#lengths.append(leng)
retVal = setFieldValues(table, fields, names, ftypes, lengths)
if retVal == False:
success = False
arcpy.ClearWorkspaceCache_management(dla.workspace)
dla.cleanupGarbage()
arcpy.ResetProgressor()
if ignore == True:
success = True
return success
def setFieldValues(table, fields, names, ftypes, lengths):
# from source xml file match old values to new values to prepare for append to target geodatabase
success = False
row = None
try:
updateCursor = arcpy.da.UpdateCursor(table, names)
result = arcpy.GetCount_management(table)
numFeat = int(result.getOutput(0))
dla.addMessage(table + ", " + str(numFeat) + " features")
i = 0
arcpy.SetProgressor("Step", "Calculating " + table + "...", 0, numFeat,
getProgressUpdate(numFeat))
for row in updateCursor:
success = True
if dla._errCount > dla.maxErrorCount:
dla.addError(
"Exceeded max number of errors in dla.maxErrorCount: " +
str(dla.maxErrorCount))
return False
if i > dla.maxrows:
dla.addError(
"Exceeded max number of rows supported in dla.maxrows: " +
str(dla.maxrows))
return True
i = i + 1
setProgressor(i, numFeat)
for field in fields:
method = "None"
sourceName = dla.getNodeValue(field,
"SourceName").replace('.', '_')
targetName = dla.getNodeValue(field,
"TargetName").replace('.', '_')
targetValue = getTargetValue(row, field, names, sourceName,
targetName)
sourceValue = getSourceValue(row, names, sourceName,
targetName)
method = dla.getNodeValue(field, "Method").replace(" ", "")
try:
fnum = dla.getFieldIndexList(names, targetName)
except:
fnum = None # defensive check to skip fields that do not exist even though they are listed in Xml
if fnum != None:
if method == "None" or (method == "Copy"
and sourceName == '(None)'):
method = "None"
val = None
elif method == "Copy":
val = sourceValue
elif method == "DefaultValue":
val = dla.getNodeValue(field, "DefaultValue")
elif method == "SetValue":
val = dla.getNodeValue(field, "SetValue")
elif method == "ValueMap":
val = getValueMap(targetName, sourceValue, field)
elif method == "DomainMap":
val = getDomainMap(row, sourceValue, field)
elif method == "ChangeCase":
case = dla.getNodeValue(field, method)
expression = getChangeCase(sourceValue, case)
val = getExpression(row, names, expression)
elif method == "Concatenate":
val = getConcatenate(row, names, field)
elif method == "Left":
chars = dla.getNodeValue(field, "Left")
val = getSubstring(sourceValue, "0", chars)
elif method == "Right":
chars = dla.getNodeValue(field, "Right")
val = getSubstring(sourceValue,
len(str(sourceValue)) - int(chars),
len(str(sourceValue)))
elif method == "Substring":
start = dla.getNodeValue(field, "Start")
length = dla.getNodeValue(field, "Length")
val = getSubstring(sourceValue, start, length)
elif method == "Split":
splitter = dla.getNodeValue(field, "SplitAt")
splitter = splitter.replace("(space)", " ")
part = dla.getNodeValue(field, "Part")
val = getSplit(sourceValue, splitter, part)
elif method == "ConditionalValue":
sname = dla.getNodeValue(field, "SourceName")
oper = dla.getNodeValue(field, "Oper")
iif = dla.getNodeValue(field, "If")
if iif != " " and type(iif) == 'str':
for name in names:
if name in iif:
iif = iif.replace(name, "|" + name + "|")
tthen = dla.getNodeValue(field, "Then")
eelse = dla.getNodeValue(field, "Else")
for name in names:
if name in eelse:
eelse = eelse.replace(name, "|" + name + "|")
expression = "|" + tthen + "| " + " if |" + sname + "| " + oper + " |" + iif + "| else " + eelse
val = getExpression(row, names, expression)
elif method == "Expression":
expression = dla.getNodeValue(field, method)
for name in names:
expression = expression.replace(
name, "|" + name + "|")
val = getExpression(row, names, expression)
# set field value
newVal = getValue(ftypes[fnum], lengths[fnum], targetName,
targetValue, val)
row[fnum] = newVal
if dla.debug == True:
dla.addMessage(targetName + ':' + str(newVal) + ':' +
str(targetValue))
try:
updateCursor.updateRow(row)
#printRow(row,names)
except:
dla._errCount += 1
success = False
err = "Exception caught: unable to update row"
if dla._errCount < 200:
printRow(row, names)
dla.showTraceback()
else:
if dla._errCount < 2000:
dla.addMessage(
'More than 200 errors encountered... debug output suppressed'
)
dla.addError(err)
except:
dla._errCount += 1
success = False
err = "Exception caught: unable to update dataset"
if row != None:
printRow(row, names)
dla.showTraceback()
dla.addError(err)
finally:
del updateCursor
dla.cleanupGarbage()
arcpy.ResetProgressor()
return success
def calculate(xmlFileName,workspace,name,ignore):
dla.workspace = workspace
success = True
arcpy.ClearWorkspaceCache_management(dla.workspace)
xmlDoc = dla.getXmlDoc(xmlFileName)
arcpy.env.Workspace = dla.workspace
table = dla.getTempTable(name)
if not arcpy.Exists(table):
dla.addError("Feature Class " + table + " does not exist, exiting")
arcpy.SetParameter(SUCCESS, False)
return
if not arcpy.TestSchemaLock(table):
dla.addError("Unable to obtain a schema lock for " + table + ", exiting")
arcpy.SetParameter(SUCCESS, False)
return -1
desc = arcpy.Describe(table)
fields = dla.getXmlElements(xmlFileName,"Field")
sourceFields = dla.getXmlElements(xmlFileName,"SourceField")
targetFields = dla.getXmlElements(xmlFileName,"TargetField")
attrs = [f.name for f in arcpy.ListFields(table)]
for field in fields:
arcpy.env.Workspace = dla.workspace
targetName = dla.getNodeValue(field,"TargetName")
sourceName = dla.getNodeValue(field,"SourceName")
type = "String"
length = "50"
for target in targetFields:
nm = target.getAttributeNode("Name").nodeValue
if nm == targetName:
type = target.getAttributeNode("Type").nodeValue
length = target.getAttributeNode("Length").nodeValue
# uppercase compare, later need to check for orig/upper name for calc
#ups = [nm.upper() for nm in attrs]
dla.addDlaField(table,targetName,field,attrs,type,length)
allFields = sourceFields + targetFields
names = []
types = []
lengths = []
for field in allFields:
nm = field.getAttributeNode("Name").nodeValue
if nm != dla.noneName:
names.append(nm)
typ = field.getAttributeNode("Type").nodeValue
leng = field.getAttributeNode("Length").nodeValue
types.append(typ)
lengths.append(leng)
retVal = setFieldValues(table,fields,names,types,lengths)
if retVal == False:
success = False
arcpy.ClearWorkspaceCache_management(dla.workspace)
dla.cleanupGarbage()
arcpy.ResetProgressor()
if ignore == True:
success = True
return success
