Elaboration d'un script visant à créer une géodatabase dans Oracle

Vous pouvez copier et modifier l'un des scripts d'exemple fournis pour créer une géodatabase dans un système de gestion de bases de données Oracle.

Vous devez accomplir certaines tâches supplémentaires avant d'exécuter le script. Ces tâches et le script lui-même sont décrits dans les étapes suivantes :

Etapes :
  1. Installez et configurez Oracle sur votre serveur.
  2. Si vous comptez exécuter le script Python à partir d'un ordinateur différent du serveur Oracle, installez le client Oracle sur l'ordinateur à partir duquel vous allez exécuter le script.

    Le client Oracle peut être téléchargé à partir du Portail d'assistance client Esri. Si vous comptez exécuter le script à partir d'un client ArcGIS 32 bits, téléchargez la version 32 bits du client Oracle. Si vous comptez exécuter le script à partir d'ArcGIS for Server, téléchargez la version 64 bits du client Oracle. Reportez-vous à la rubrique Configuration d'une connexion à Oracle pour plus d'informations.

  3. Copiez un de ces exemples de script dans la fenêtre Python dans ArcGIS for Desktop ou dans un éditeur Python IDE, tel que PythonWin ou WING, sur un ordinateur sur lequel ArcGIS for Desktop (version Standard ou Advanced), ArcGIS for Server (Standard ou Advanced) ou ArcGIS Engine avec l'extension Geodatabase Update est installé.

    Cet exemple crée un utilisateur sde et un tablespace, accorde à l'utilisateur sde les privilèges permettant de créer une géodatabase, puis crée la géodatabase :

    """
    Name: create_enterprise_gdb.py
    Description: Provide connection information to a DBMS instance and create an enterprise geodatabase.
    Type  create_enterprise_gdb.py -h or create_enterprise_gdb.py --help for usage
    Author: Esri
    """
    
    # Import system modules
    import arcpy, os, optparse, sys
    
    
    # Define usage and version
    parser = optparse.OptionParser(usage = "usage: %prog [Options]", version="%prog 1.0 for 10.1 release")
    
    #Define help and options
    parser.add_option ("--DBMS", dest="Database_type", type="choice", choices=['SQLSERVER', 'ORACLE', 'POSTGRESQL', ''], default="", help="Type of enterprise DBMS:  SQLSERVER, ORACLE, or POSTGRESQL.")                   
    parser.add_option ("-i", dest="Instance", type="string", default="", help="DBMS instance name")
    parser.add_option ("-D", dest="Database", type="string", default="none", help="Database name:  Not required for Oracle")
    parser.add_option ("--auth", dest="Account_authentication", type ="choice", choices=['DATABASE_AUTH', 'OPERATING_SYSTEM_AUTH'], default='DATABASE_AUTH', help="Authentication type options (case-sensitive):  DATABASE_AUTH, OPERATING_SYSTEM_AUTH.  Default=DATABASE_AUTH")
    parser.add_option ("-U", dest="Dbms_admin", type="string", default="", help="DBMS administrator user")
    parser.add_option ("-P", dest="Dbms_admin_pwd", type="string", default="", help="DBMS administrator password")
    parser.add_option ("--schema", dest="Schema_type", type="choice", choices=['SDE_SCHEMA', 'DBO_SCHEMA'], default="SDE_SCHEMA", help="Schema Type for SQL Server geodatabase, SDE or DBO. Default=SDE_SCHEMA")
    parser.add_option ("-u", dest="Gdb_admin", type="string", default="", help="Geodatabase administrator user name")
    parser.add_option ("-p", dest="Gdb_admin_pwd", type="string", default="", help="Geodatabase administrator password")
    parser.add_option ("-t", dest="Tablespace", type="string", default="", help="Tablespace name")
    parser.add_option ("-l", dest="Authorization_file", type="string", default="", help="Full path and name of authorization file")
    # Check if value entered for option
    try:
    	(options, args) = parser.parse_args()
    
    	
    	#Check if no system arguments (options) entered
    	if len(sys.argv) == 1:
    		print "%s: error: %s\n" % (sys.argv[0], "No command options given")
    		parser.print_help()
    		sys.exit(3)
    
    	#Usage parameters for spatial database connection
    	database_type = options.Database_type.upper()
    	instance = options.Instance
    	database = options.Database.lower()	
    	account_authentication = options.Account_authentication.upper()
    	dbms_admin = options.Dbms_admin
    	dbms_admin_pwd = options.Dbms_admin_pwd
    	schema_type = options.Schema_type.upper()
    	gdb_admin = options.Gdb_admin
    	gdb_admin_pwd = options.Gdb_admin_pwd	
    	tablespace = options.Tablespace
    	license = options.Authorization_file
    	
    	
    	if (database_type == "SQLSERVER"):
    		database_type = "SQL_SERVER"
    	
    	if( database_type ==""):	
    		print " \n%s: error: \n%s\n" % (sys.argv[0], "DBMS type (--DBMS) must be specified.")
    		parser.print_help()
    		sys.exit(3)		
    		
    	if (license == ""):
    		print " \n%s: error: \n%s\n" % (sys.argv[0], "Authorization file (-l) must be specified.")
    		parser.print_help()
    		sys.exit(3)			
    	
    	if(database_type == "SQL_SERVER"):
    		if(schema_type == "SDE_SCHEMA" and gdb_admin.lower() != "sde"):
    			print "\n%s: error: %s\n" % (sys.argv[0], "To create SDE schema on SQL Server, geodatabase administrator must be SDE.")
    			sys.exit(3)
    		if (schema_type == "DBO_SCHEMA" and gdb_admin != ""):
    			print "\nWarning: %s\n" % ("Ignoring geodatabase administrator specified when creating DBO schema...")
    		if( account_authentication == "DATABASE_AUTH" and dbms_admin == ""):
    			print "\n%s: error: %s\n" % (sys.argv[0], "DBMS administrator must be specified with database authentication")
    			sys.exit(3)
    		if( account_authentication == "OPERATING_SYSTEM_AUTH" and dbms_admin != ""):
    			print "\nWarning: %s\n" % ("Ignoring DBMS administrator specified when using operating system authentication...")	
    	else:
    		if (schema_type == "DBO_SCHEMA"):
    			print "\nWarning: %s %s, %s\n" % ("Only SDE schema is supported on", database_type, "switching to SDE schema..." )
    			
    		if( gdb_admin.lower() == ""):
    			print "\n%s: error: %s\n" % (sys.argv[0], "Geodatabase administrator must be specified.")
    			sys.exit(3)
    
    		if( gdb_admin.lower() != "sde"):
    			if (database_type == "ORACLE"):
    				print "\nGeodatabase admin user is not SDE, creating user schema geodatabase on Oracle...\n"
    				sys.exit(3)
    			else:
    				print "\n%s: error: %s for %s.\n" % (sys.argv[0], "Geodatabase administrator must be SDE", database_type)
    				sys.exit(3)
    			
    		if( dbms_admin == ""):
    			print "\n%s: error: %s\n" % (sys.argv[0], "DBMS administrator must be specified!")
    			sys.exit(3)
    
    		if (account_authentication == "OPERATING_SYSTEM_AUTH"):
    			print "Warning: %s %s, %s\n" % ("Only database authentication is supported on", database_type, "switching to database authentication..." )
    
    	# Get the current product license
    	product_license=arcpy.ProductInfo()
    	
    	
    	# Checks required license level
    	if product_license.upper() == "ARCVIEW" or product_license.upper() == 'ENGINE':
    		print "\n" + product_license + " license found!" + " Creating an enterprise geodatabase requires an ArcGIS for Desktop Standard or Advanced, ArcGIS Engine with the Geodatabase Update extension, or ArcGIS for Server license."
    		sys.exit("Re-authorize ArcGIS before creating enterprise geodatabase.")
    	else:
    		print "\n" + product_license + " license available!  Continuing to create..."
    		arcpy.AddMessage("+++++++++")
    	
    	
    	try:
    		print "Creating enterprise geodatabase...\n"
    		arcpy.CreateEnterpriseGeodatabase_management(database_platform=database_type,instance_name=instance, database_name=database, account_authentication=account_authentication, database_admin=dbms_admin, database_admin_password=dbms_admin_pwd, sde_schema=schema_type, gdb_admin_name=gdb_admin, gdb_admin_password=gdb_admin_pwd, tablespace_name=tablespace, authorization_file=license)
    		for i in range(arcpy.GetMessageCount()):
    			arcpy.AddReturnMessage(i)
    		arcpy.AddMessage("+++++++++\n")
    	except:
    		for i in range(arcpy.GetMessageCount()):
    			arcpy.AddReturnMessage(i)
    			
    #Check if no value entered for option	
    except SystemExit as e:
    	if e.code == 2:
    		parser.usage = ""
    		print "\n"
    		parser.print_help()   
    		parser.exit(2)
    

    Si vous souhaitez créer manuellement l'utilisateur sde et le tablespace, vous pouvez utiliser ce script d'exemple pour activer les fonctionnalités de géodatabase dans une base de données Oracle préconfigurée :

    """
    Name: enable_enterprise_gdb.py
    Description: Provide connection information to an enterprise database
    and enable enterprise geodatabase.
    Type enable_enterprise_gdb.py -h or enable_enterprise_gdb.py --help for usage
    Author: Esri
    """
    
    # Import system modules
    import arcpy, os, optparse, sys
    
    
    # Define usage and version
    parser = optparse.OptionParser(usage = "usage: %prog [Options]", version="%prog 1.0 for 10.1 release")
    
    #Define help and options
    parser.add_option ("--DBMS", dest="Database_type", type="choice", choices=['SQLSERVER', 'ORACLE', 'POSTGRESQL', 'DB2','INFORMIX','DB2ZOS', ''], default="", help="Type of enterprise DBMS:  SQLSERVER, ORACLE, POSTGRESQL, DB2, INFORMIX, or DB2ZOS.")
    parser.add_option ("-i", dest="Instance", type="string", default="", help="DBMS instance name")
    parser.add_option ("--auth", dest="account_authentication", type ="choice", choices=['DATABASE_AUTH', 'OPERATING_SYSTEM_AUTH'], default='DATABASE_AUTH', help="Authentication type options (case-sensitive):  DATABASE_AUTH, OPERATING_SYSTEM_AUTH.  Default=DATABASE_AUTH")
    parser.add_option ("-u", dest="User", type="string", default="", help="Geodatabase administrator user name")
    parser.add_option ("-p", dest="Password", type="string", default="", help="Geodatabase  administrator password")
    parser.add_option ("-D", dest="Database", type="string", default="none", help="Database name:  Not required for Oracle")
    parser.add_option ("-l", dest="Authorization_file", type="string", default="", help="Full path and name of authorization file")
    
    
    # Check if value entered for option
    try:
    	(options, args) = parser.parse_args()
    
    	
    #Check if no system arguments (options) entered
    	if len(sys.argv) == 1:
    		print "%s: error: %s\n" % (sys.argv[0], "No command options given")
    		parser.print_help()
    		sys.exit(3)
    	
    
    	#Usage parameters for spatial database connection
    	database_type = options.Database_type.upper()
    	instance = options.Instance
    	account_authentication = options.account_authentication.upper()
    	username = options.User.lower() 
    	password = options.Password	
    	database = options.Database.lower()
    	license = options.Authorization_file
    
    
    	if( database_type ==""):	
    		print " \n%s: error: \n%s\n" % (sys.argv[0], "DBMS type (--DBMS) must be specified.")
    		parser.print_help()
    		sys.exit(3)		
    		
    	if (license == ""):
    		print " \n%s: error: \n%s\n" % (sys.argv[0], "Authorization file (-l) must be specified.")
    		parser.print_help()
    		sys.exit(3)
    
    	if (database_type == "SQLSERVER"):
    		database_type = "SQL_SERVER"
    		
    	# Get the current product license
    	product_license=arcpy.ProductInfo()
    	
    	if (license == ""):
    		print " \n%s: error: %s\n" % (sys.argv[0], "Authorization file (-l) must be specified.")
    		parser.print_help()
    		sys.exit(3)
    	
    	# Checks required license level
    	if product_license.upper() == "ARCVIEW" or product_license.upper() == 'ENGINE':
    		print "\n" + product_license + " license found!" + "  Enabling enterprise geodatabase functionality requires an ArcGIS for Desktop Standard or Advanced, ArcGIS Engine with the Geodatabase Update extension, or ArcGIS for Server license."
    		sys.exit("Re-authorize ArcGIS before enabling an enterprise geodatabase.")
    	else:
    		print "\n" + product_license + " license available!  Continuing to enable..."
    		arcpy.AddMessage("+++++++++")
    	
    	# Local variables
    	instance_temp = instance.replace("\\","_")
    	instance_temp = instance_temp.replace("/","_")
    	instance_temp = instance_temp.replace(":","_")
    	Conn_File_NameT = instance_temp + "_" + database + "_" + username    
    	
    	if os.environ.get("TEMP") == None:
    		temp = "c:\\temp"	
    	else:
    		temp = os.environ.get("TEMP")
    	
    	if os.environ.get("TMP") == None:
    		temp = "/usr/tmp"		
    	else:
    		temp = os.environ.get("TMP")  
    	
    
    	Connection_File_Name = Conn_File_NameT + ".sde"
    	Connection_File_Name_full_path = temp + os.sep + Conn_File_NameT + ".sde"
    	
    	# Check for the .sde file and delete it if present
    	arcpy.env.overwriteOutput=True
    	if os.path.exists(Connection_File_Name_full_path):
    		os.remove(Connection_File_Name_full_path)
    	
    	print "\nCreating Database Connection File...\n"	
    	# Process: Create Database Connection File...
    	# Usage:  out_file_location, out_file_name, DBMS_TYPE, instnace, database, account_authentication, username, password, save_username_password(must be true)
    	arcpy.CreateDatabaseConnection_management(out_folder_path=temp, out_name=Connection_File_Name, database_platform=database_type, instance=instance, database=database, account_authentication=account_authentication, username=username, password=password, save_user_pass="TRUE")
            for i in range(arcpy.GetMessageCount()):
    		if "000565" in arcpy.GetMessage(i):   #Check if database connection was successful
    			arcpy.AddReturnMessage(i)
    			arcpy.AddMessage("\n+++++++++")
    			arcpy.AddMessage("Exiting!!")
    			arcpy.AddMessage("+++++++++\n")
    			sys.exit(3)            
    		else:
    			arcpy.AddReturnMessage(i)
    			arcpy.AddMessage("+++++++++\n")
    	
    	
    	# Process: Enable geodatabase...
    	try:
    		print "Enabling Enterprise Geodatabase...\n"
    		arcpy.EnableEnterpriseGeodatabase_management(input_workspace=Connection_File_Name_full_path, authorization_file=license)
    		for i in range(arcpy.GetMessageCount()):
    			arcpy.AddReturnMessage(i)
    		arcpy.AddMessage("+++++++++\n")
    	except:
    		for i in range(arcpy.GetMessageCount()):
    			arcpy.AddReturnMessage(i)
    			
    	if os.path.exists(Connection_File_Name_full_path):
    		os.remove(Connection_File_Name_full_path)
    			
    #Check if no value entered for option	
    except SystemExit as e:
    	if e.code == 2:
    		parser.usage = ""
    		print "\n"
    		parser.print_help() 
    		parser.exit(2)
    
  4. Modifiez le script pour inclure les informations spécifiques à votre site.
  5. Exécutez le script que vous avez copié et modifié.

Un fichier journal correspondant à la création de la géodatabase (GDBCreateGeodatabase<#>.log) est écrit dans le répertoire spécifié pour votre variable TEMP ou TMP sur l'ordinateur sur lequel le script est exécuté.

Thèmes connexes

9/12/2013