#!/usr/bin/env python3 # David Bekaert import os import glob import argparse from uncompressFile import uncompressfile import shutil import xml.etree.ElementTree as etree def createParser(): ''' Create command line parser. ''' parser = argparse.ArgumentParser(description='Prepare RSAT2 SLC processing (unzip/untar files, organize in date folders, generate script to unpack into isce formats). For now, it cannot merge multiple scenes') parser.add_argument('-i', '--input', dest='input', type=str, required=True, help='directory with the slc data') parser.add_argument('-rmfile', '--rmfile', dest='rmfile',action='store_true', default=False, help='Optional: remove zip/tar/compressed files after unpacking into date structure (default is to keep in archive folder)') parser.add_argument('-o', '--output', dest='output', type=str, required=False, help='output directory where data needs to be unpacked into isce format (for script generation).') parser.add_argument('-t', '--text_cmd', dest='text_cmd', type=str, default='source ~/.bash_profile;', help='text command to be added to the beginning of each line of the run files. Default: source ~/.bash_profile;') return parser def cmdLineParse(iargs=None): ''' Command line parser. ''' parser = createParser() return parser.parse_args(args = iargs) def get_Date(RSAT2folder): # will search for different version of workreport to be compatible with ASf, WInSAR etc RSAT2file = glob.glob(os.path.join(RSAT2folder,'product.xml')) # if nothing is found return a failure if len(RSAT2file) > 0: RSAT2file = RSAT2file[0] # loading the date information from the product.xml file tree = etree.parse(RSAT2file) root = tree.getroot() for attributes in root.iter('{http://www.rsi.ca/rs2/prod/xml/schemas}sourceAttributes'): attribute_list = list(attributes) for attribute in attribute_list: if attribute.tag=='{http://www.rsi.ca/rs2/prod/xml/schemas}rawDataStartTime': date = attribute.text UTC = date[11:16] acquisitionDate = date[0:4]+date[5:7]+date[8:10] if len(acquisitionDate)==8: successflag = True return successflag, acquisitionDate # if it reached here it could not find the acqusiitionDate successflag = False acquisitionDate = 'FAIL' return successflag, acquisitionDate def main(iargs=None): ''' The main driver. ''' inps = cmdLineParse(iargs) # parsing required inputs inputDir = os.path.abspath(inps.input) # parsing optional inputs if inps.output: outputDir = os.path.abspath(inps.output) else: outputDir = None rmfile = inps.rmfile # filename of the runfile run_unPack = 'run_unPackRSAT2' # loop over the different folder, RSAT2 zip/tar files and unzip them, make the names consistent RSAT2_extensions = (os.path.join(inputDir, 'RS2*SLC*.zip'),os.path.join(inputDir, 'RS2*SLC*.tar'),os.path.join(inputDir, 'RS2*SLC*.gz')) for RSAT2_extension in RSAT2_extensions: RSAT2_filesfolders = glob.glob(RSAT2_extension) for RSAT2_infilefolder in RSAT2_filesfolders: ## the path to the folder/zip workdir = os.path.dirname(RSAT2_infilefolder) ## get the output name folder without any extensions temp = os.path.basename(RSAT2_infilefolder) # trim the extensions and keep only very first part parts = temp.split(".") parts = parts[0].split('-') RSAT2_outfolder = parts[0] # add the path back in RSAT2_outfolder = os.path.join(workdir,RSAT2_outfolder) # loop over two cases (either file or folder): ### this is a file, try to unzip/untar it if os.path.isfile(RSAT2_infilefolder): # unzip the file in the outfolder successflag_unzip = uncompressfile(RSAT2_infilefolder,RSAT2_outfolder) # put failed files in a seperate directory if not successflag_unzip: os.makedirs(os.path.join(workdir,'FAILED_FILES'), exist_ok=True) os.rename(RSAT2_infilefolder,os.path.join(workdir,'FAILED_FILES','.')) else: # check if file needs to be removed or put in archive folder if rmfile: os.remove(RSAT2_infilefolder) print('Deleting: ' + RSAT2_infilefolder) else: os.makedirs(os.path.join(workdir,'ARCHIVED_FILES'), exist_ok=True) cmd = 'mv ' + RSAT2_infilefolder + ' ' + os.path.join(workdir,'ARCHIVED_FILES','.') os.system(cmd) # loop over the different RSAT2 folders and make sure the folder names are consistent. # this step is not needed unless the user has manually unzipped data before. RSAT2_folders = glob.glob(os.path.join(inputDir, 'RS2*SLC*')) for RSAT2_folder in RSAT2_folders: # in case the user has already unzipped some files, make sure they are unzipped similar like the uncompressfile code temp = os.path.basename(RSAT2_folder) parts = temp.split(".") parts = parts[0].split('-') RSAT2_outfolder_temp = parts[0] RSAT2_outfolder_temp = os.path.join(os.path.dirname(RSAT2_folder),RSAT2_outfolder_temp) # check if the folder (RSAT2_folder) has a different filename as generated from the uncompressFile code (RSAT2_outfolder_temp) if not (RSAT2_outfolder_temp == RSAT2_folder): # it is different, check if the RSAT2_outfolder_temp already exists, if yes, delete the current folder if os.path.isdir(RSAT2_outfolder_temp): print('Remove ' + RSAT2_folder + ' as ' + RSAT2_outfolder_temp + ' exists...') # check if this folder already exist, if so overwrite it shutil.rmtree(RSAT2_folder) # loop over the different RSAT2 folders and organize in date folders RSAT2_folders = glob.glob(os.path.join(inputDir, 'RS2*SLC*')) for RSAT2_folder in RSAT2_folders: # get the date successflag, imgDate = get_Date(RSAT2_folder) workdir = os.path.dirname(RSAT2_folder) if successflag: # move the file into the date folder SLC_dir = os.path.join(workdir,imgDate,'') if os.path.isdir(SLC_dir): shutil.rmtree(SLC_dir) cmd = 'mv ' + RSAT2_folder + ' ' + SLC_dir os.system(cmd) print ('Succes: ' + imgDate) else: print('Failed: ' + RSAT2_folder) # now generate the unpacking script for all the date dirs dateDirs = glob.glob(os.path.join(inputDir,'2*')) if outputDir is not None: f = open(run_unPack,'w') for dateDir in dateDirs: RSAT2Files = glob.glob(os.path.join(dateDir, 'imagery_HH.tif')) if len(RSAT2Files)>0: acquisitionDate = os.path.basename(dateDir) slcDir = os.path.join(outputDir, acquisitionDate) os.makedirs(slcDir, exist_ok=True) cmd = 'unpackFrame_RSAT2.py -i ' + os.path.abspath(dateDir) + ' -o ' + slcDir print (cmd) f.write(inps.text_cmd + cmd+'\n') f.close() if __name__ == '__main__': main()