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FieldAliasesExportImport.py
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FieldAliasesExportImport.py
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#-------------------------------------------------------------
# Name: Field Aliases Export and Import
# Purpose: Exports field aliases for datasets specified to a CSV file. Can also use a configuration CSV file to import
# field aliases to datasets.
# Author: Shaun Weston ([email protected])
# Date Created: 25/08/2014
# Last Updated: 25/08/2014
# Copyright: (c) Eagle Technology
# ArcGIS Version: 10.2+
# Python Version: 2.7
#--------------------------------
# Import modules
import os
import sys
import logging
import smtplib
import arcpy
import string
import csv
# Enable data to be overwritten
arcpy.env.overwriteOutput = True
# Set global variables
enableLogging = "false" # Use logger.info("Example..."), logger.warning("Example..."), logger.error("Example...")
logFile = "" # os.path.join(os.path.dirname(__file__), "Example.log")
sendErrorEmail = "false"
emailTo = ""
emailUser = ""
emailPassword = ""
emailSubject = ""
emailMessage = ""
output = None
# Start of main function
def mainFunction(featureClasses,importExport,folder): # Get parameters from ArcGIS Desktop tool by seperating by comma e.g. (var1 is 1st parameter,var2 is 2nd parameter,var3 is 3rd parameter)
try:
# Logging
if (enableLogging == "true"):
# Setup logging
logger, logMessage = setLogging(logFile)
# Log start of process
logger.info("Process started.")
# --------------------------------------- Start of code --------------------------------------- #
# Load the feature classes into a list if input values provided
if (len(featureClasses) > 0):
# Remove out apostrophes
featureclassList = string.split(str(featureClasses).replace("'", ""), ";")
# Loop through the feature classes
for featureClass in featureclassList:
# Create a Describe object from the dataset
describeDataset = arcpy.Describe(featureClass)
# If exporting field aliases
if (importExport.lower() == "export"):
# Create a CSV file for the datasets fields
with open(os.path.join(folder, "FieldAliases_" + describeDataset.name + ".csv"), 'wb') as file:
# Logging
if (enableLogging == "true"):
logger.info("Creating CSV - " + os.path.join(folder, "FieldAliases_" + describeDataset.name + ".csv") + "...")
arcpy.AddMessage("Creating CSV - " + os.path.join(folder, "FieldAliases_" + describeDataset.name + ".csv") + "...")
# Write the header role
writer = csv.writer(file, delimiter=",")
row = ["Field","Field Alias"]
writer.writerow(row)
# Create a list of fields using the ListFields function
fields = arcpy.ListFields(featureClass)
# Iterate through the list of fields
for field in fields:
row = []
# If field name doesn't include shape or OBJECTID
fieldName = field.name
if (("shape" not in fieldName.lower()) and ("objectid" not in fieldName.lower())):
# Write the fields
row.append(field.name)
row.append(field.aliasName)
writer.writerow(row)
# Close the file
file.close()
# If importing field aliases
if (importExport.lower() == "import"):
# If configuration file exists for this feature class
if (os.path.isfile(os.path.join(folder, "FieldAliases_" + describeDataset.name + ".csv")) == True):
# Logging
if (enableLogging == "true"):
logger.info("Configuration file located for " + describeDataset.name + " - " + os.path.join(folder, "FieldAliases_" + describeDataset.name + ".csv") + "...")
arcpy.AddMessage("Configuration file located for " + describeDataset.name + " - " + os.path.join(folder, "FieldAliases_" + describeDataset.name + ".csv") + "...")
# Create a list of fields using the ListFields function
fields = arcpy.ListFields(featureClass)
# Iterate through the list of fields
for field in fields:
# Open the CSV file
with open(os.path.join(folder, "FieldAliases_" + describeDataset.name + ".csv"), 'rb') as csvFile:
# Read the CSV file
rows = csv.reader(csvFile, delimiter=",")
# For each row in the CSV
count = 0
for row in rows:
# Ignore the first line containing headers
if (count > 0):
# Get the field and field alias
configField = row[0]
configFieldAlias = row[1]
# If field is in config
if (field.name == configField):
# Logging
if (enableLogging == "true"):
logger.info("Setting field alias to " + configFieldAlias + " for " + field.name + " field in " + describeDataset.name)
arcpy.AddMessage("Setting field alias to " + configFieldAlias + " for " + field.name + " field in " + describeDataset.name)
# Set field alias to what is in config
arcpy.AlterField_management(featureClass, field.name, "", configFieldAlias)
count = count + 1
else:
arcpy.AddError("No datasets provided")
# Logging
if (enableLogging == "true"):
# Log error
logger.error("No datasets provided")
# Remove file handler and close log file
logging.FileHandler.close(logMessage)
logger.removeHandler("No datasets provided")
if (sendErrorEmail == "true"):
# Send email
sendEmail("No datasets provided")
# --------------------------------------- End of code --------------------------------------- #
# If called from gp tool return the arcpy parameter
if __name__ == '__main__':
# Return the output if there is any
if output:
arcpy.SetParameterAsText(1, output)
# Otherwise return the result
else:
# Return the output if there is any
if output:
return output
# Logging
if (enableLogging == "true"):
# Log end of process
logger.info("Process ended.")
# Remove file handler and close log file
logging.FileHandler.close(logMessage)
logger.removeHandler(logMessage)
pass
# If arcpy error
except arcpy.ExecuteError:
# Build and show the error message
errorMessage = arcpy.GetMessages(2)
arcpy.AddError(errorMessage)
# Logging
if (enableLogging == "true"):
# Log error
logger.error(errorMessage)
# Remove file handler and close log file
logging.FileHandler.close(logMessage)
logger.removeHandler(logMessage)
if (sendErrorEmail == "true"):
# Send email
sendEmail(errorMessage)
# If python error
except Exception as e:
errorMessage = ""
# Build and show the error message
for i in range(len(e.args)):
if (i == 0):
errorMessage = unicode(e.args[i]).encode('utf-8')
else:
errorMessage = errorMessage + " " + unicode(e.args[i]).encode('utf-8')
arcpy.AddError(errorMessage)
# Logging
if (enableLogging == "true"):
# Log error
logger.error(errorMessage)
# Remove file handler and close log file
logging.FileHandler.close(logMessage)
logger.removeHandler(logMessage)
if (sendErrorEmail == "true"):
# Send email
sendEmail(errorMessage)
# End of main function
# Start of set logging function
def setLogging(logFile):
# Create a logger
logger = logging.getLogger(os.path.basename(__file__))
logger.setLevel(logging.DEBUG)
# Setup log message handler
logMessage = logging.FileHandler(logFile)
# Setup the log formatting
logFormat = logging.Formatter("%(asctime)s: %(levelname)s - %(message)s", "%d/%m/%Y - %H:%M:%S")
# Add formatter to log message handler
logMessage.setFormatter(logFormat)
# Add log message handler to logger
logger.addHandler(logMessage)
return logger, logMessage
# End of set logging function
# Start of send email function
def sendEmail(message):
# Send an email
arcpy.AddMessage("Sending email...")
# Server and port information
smtpServer = smtplib.SMTP("smtp.gmail.com",587)
smtpServer.ehlo()
smtpServer.starttls()
smtpServer.ehlo
# Login with sender email address and password
smtpServer.login(emailUser, emailPassword)
# Email content
header = 'To:' + emailTo + '\n' + 'From: ' + emailUser + '\n' + 'Subject:' + emailSubject + '\n'
body = header + '\n' + emailMessage + '\n' + '\n' + message
# Send the email and close the connection
smtpServer.sendmail(emailUser, emailTo, body)
# End of send email function
# This test allows the script to be used from the operating
# system command prompt (stand-alone), in a Python IDE,
# as a geoprocessing script tool, or as a module imported in
# another script
if __name__ == '__main__':
# Arguments are optional - If running from ArcGIS Desktop tool, parameters will be loaded into *argv
argv = tuple(arcpy.GetParameterAsText(i)
for i in range(arcpy.GetArgumentCount()))
mainFunction(*argv)