add_rasters.py

# -*- coding: utf-8 -*-
# ---------------------------------------------------------------------------
# add_rasters.py
# Created on: 2017-07-11 11:46:51.00000
#   (generated by ArcGIS/ModelBuilder)
# Description: 
# ---------------------------------------------------------------------------

import re
import os

# Set the necessary product code
#import arceditor


# Import arcpy module
import arcpy


# Local variables:
MaxPS = 10000
update_boundary = True
mosaData ="C:/geodatabase/copi.gdb/waterdetect"
#inputPath = '''joblist'''
#filepath = '''joblist Dateiname'''
duplicate_items_action = 'EXCLUDE_DUPLICATES'

def getTimeFromPath(filepath):
    # find first 8 following digits
    date = re.search(r"\d{8}", filepath)
    time = ''

    # if regex search was successful
    if date:
        # save search result
        time = date.group(0)
    else:
        # get date path manually
        time = filepath[19:27]

    # building date string
    day = time[6:8]
    month = time[4:6]
    year = time[0:4]
    time = month + "/" + day + "/" + year
    return time

def addAndProcessMosaic(fileName):

    filepath = 'C:\\geodatabase\\MRF\\' + fileName
    print filepath
        
    # Process: Add Rasters To Mosaic Dataset
    arcpy.AddRastersToMosaicDataset_management(mosaData, "Raster Dataset", filepath, '', update_boundary, '', '', '', '', '', '', '', duplicate_items_action)

    # Update Raster Fields - add time
    Expression = "Name= '"+fileName.split('.mrf')[0]+"'"

    message_count = arcpy.GetMessageCount()
    last_message = arcpy.GetMessage(message_count - 1)

    if 'Succeeded' in last_message:
	rows = arcpy.UpdateCursor(mosaData, Expression)
	for r in rows:
		r.Time = getTimeFromPath(filepath)
		r.MaxPS = MaxPS
		rows.updateRow(r)
	del rows

Developed by @marikemau, @nsteffens, @mdragunski, @JanVan01 and me