ArcMap

GetArgumentCount

Résumé

Returns the number of arguments passed to the script.

Syntaxe

GetArgumentCount ()

Valeur renvoyée

Type de donnéesExplication
Integer

The number of arguments passed to the script.

Exemple de code

GetArgumentCount example

Check for required number of arguments to run Clip tool and handle optional argument.

import sys
import arcpy

# Set workspace
arcpy.env.workspace = "c:/data/airport.gdb"

# Set local variables
in_features = arcpy.GetParameterAsText(0)
clip_features = arcpy.GetParameterAsText(1)
out_feature_class = arcpy.GetParameterAsText(2)
xy_tolerance = arcpy.GetParameterAsText(3)

# Check for required number of arguments
if arcpy.GetArgumentCount() < 3:
    print("3 arguments required for Clip_analysis tool")

# Execute Clip tool
try:
    arcpy.Clip_analysis(in_features, clip_features,
                        out_feature_class, xy_tolerance)
except arcpy.ExecuteError:
    print(arcpy.GetMessages(2))

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