constraint_area_buffer_messages

import arcpy

# Script arguments
Clearings = arcpy.GetParameterAsText(0)
Output_Table = arcpy.GetParameterAsText(1)
layers_string = arcpy.GetParameterAsText(2)
input_list = layers_string.split(";")
buff_size = arcpy.GetParameterAsText(3)



# Allow us to use the same output name several times, particularly for intermediate results (e.g, buffer)
arcpy.env.overwriteOutput = True

# Process: Buffer
Buffered_Clearings = arcpy.Buffer_analysis(Clearings, "Buffered_Clearings", buff_size, "FULL", "ROUND", "ALL", "")

# Iterate through input layers list
for infc in input_list:
    arcpy.AddMessage("Processing: " + infc)
    tab_name = Output_Table + "_" + infc
    
    # Set up a list for the feature classes to be intersected
    InputFCs = [Buffered_Clearings, infc]
    arcpy.AddMessage(" Intersect...")
    
    # Process: Intersect
    Impacted_OGMA = arcpy.Intersect_analysis(InputFCs, "Impacted_OGMA", "ALL", "", "INPUT")
    arcpy.AddMessage(" Summarize...")
    
    # Process: Summary Statistics in a variable
    sum_stats = arcpy.Statistics_analysis(Impacted_OGMA, tab_name, "Shape_Area SUM", "#")

    # Use update cursor to iterate through summary statistics
    upd = arcpy.UpdateCursor(sum_stats)
    for row in upd:
        # Buffer intersection area
        arcpy.AddMessage("Area:\t" + str((row.SUM_SHAPE_area)/10000) + " ha")
        # Buffer intersection frequency
        arcpy.AddMessage("Intersects " + str(row.FREQUENCY) + " times")