214 lines
8.6 KiB
Python
Executable File
214 lines
8.6 KiB
Python
Executable File
#!/usr/bin/env python3
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# Author: David Bekaert
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# Zhang Yunjun, adopted from prepRawALOS.py for ALOS2 SM SLC
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import os
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import glob
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import argparse
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import shutil
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import tarfile
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import zipfile
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from uncompressFile import uncompressfile
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def createParser():
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'''
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Create command line parser.
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'''
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parser = argparse.ArgumentParser(description='Prepare ALOS2 slc for processing (unzip/untar files, '
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'organize in date folders, generate script to unpack into isce formats).')
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parser.add_argument('-i', '--input', dest='inputDir', type=str, required=True,
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help='directory with the downloaded SLC data')
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parser.add_argument('-rmfile', '--rmfile', dest='rmfile',action='store_true', default=False,
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help='Optional: remove zip/tar/compressed files after unpacking into date structure '
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'(default is to keep in archive fo lder)')
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parser.add_argument('-o', '--output', dest='outputDir', type=str, required=False,
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help='output directory where data needs to be unpacked into isce format (for script generation).')
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parser.add_argument('-t', '--text_cmd', dest='text_cmd', type=str, default='source ~/.bash_profile;',
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help='text command to be added to the beginning of each line of the run files. Default: source ~/.bash_profile;')
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return parser
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def cmdLineParse(iargs=None):
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'''
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Command line parser.
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'''
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parser = createParser()
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inps = parser.parse_args(args = iargs)
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# parsing required inputs
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inps.inputDir = os.path.abspath(inps.inputDir)
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# parsing optional inputs
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if inps.outputDir:
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inps.outputDir = os.path.abspath(inps.outputDir)
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return inps
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def get_Date(ALOS_folder):
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"""Grab acquisition date"""
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# will search for different version of workreport to be compatible with ASf, WInSAR etc
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workreport_files = ('*workreport','summary.txt')
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for workreport_file in workreport_files:
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workreports = glob.glob(os.path.join(ALOS_folder,workreport_file))
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# if nothing is found return a failure
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if len(workreports) > 0:
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for workreport in workreports:
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template_dict = {}
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with open(workreport) as openfile:
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for line in openfile:
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c = line.split("=")
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template_dict[c[0].strip()] = c[1].strip()
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acquisitionDate = (str(template_dict['Img_SceneCenterDateTime'][1:9]))
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if acquisitionDate:
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successflag = True
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return successflag, acquisitionDate
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# if it reached here it could not find the acqusiitionDate
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successflag = False
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acquisitionDate = 'FAIL'
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return successflag, acquisitionDate
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def get_ALOS2_name(infile):
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"""Get the ALOS2210402970 name from compress file in various format."""
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outname = None
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fbase = os.path.basename(infile)
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if 'ALOS2' in fbase:
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fbase = fbase.replace('_','-')
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outname = [i for i in fbase.split('-') if 'ALOS2' in i][0]
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else:
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fext = os.path.splitext(infile)[1]
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if fext in ['.tar', '.gz']:
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with tarfile.open(infile, 'r') as tar:
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file_list = tar.getnames()
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elif fext in ['.zip']:
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with zipfile.ZipFile(infile, 'r') as z:
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file_list = z.namelist()
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else:
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raise ValueError('unrecognized file extension: {}'.format(fext))
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led_file = [i for i in file_list if 'LED' in i][0]
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led_file = os.path.basename(led_file)
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outname = [i for i in led_file.split('-') if 'ALOS2' in i][0]
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return outname
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def main(iargs=None):
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'''
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The main driver.
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'''
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inps = cmdLineParse(iargs)
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# filename of the runfile
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run_unPack = 'run_unPackALOS2'
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# loop over the different folder of ALOS2 zip/tar files and unzip them, make the names consistent
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file_exts = (os.path.join(inps.inputDir, '*.zip'),
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os.path.join(inps.inputDir, '*.tar'),
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os.path.join(inps.inputDir, '*.gz'))
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for file_ext in file_exts:
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# loop over zip/tar files
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for fname in sorted(glob.glob(file_ext)):
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## the path to the folder/zip
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workdir = os.path.dirname(fname)
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## get the output name folder without any extensions
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dir_unzip = get_ALOS2_name(fname)
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dir_unzip = os.path.join(workdir, dir_unzip)
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# loop over two cases (either file or folder):
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# if this is a file, try to unzip/untar it
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if os.path.isfile(fname):
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# unzip the file in the outfolder
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successflag_unzip = uncompressfile(fname, dir_unzip)
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# put failed files in a seperate directory
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if not successflag_unzip:
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dir_failed = os.path.join(workdir,'FAILED_FILES')
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os.makedirs(dir_failed, exist_ok=True)
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cmd = 'mv {} {}'.format(fname, dir_failed)
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os.system(cmd)
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else:
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# check if file needs to be removed or put in archive folder
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if inps.rmfile:
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os.remove(fname)
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print('Deleting: ' + fname)
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else:
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dir_archive = os.path.join(workdir,'ARCHIVED_FILES')
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os.makedirs(dir_archive, exist_ok=True)
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cmd = 'mv {} {}'.format(fname, dir_archive)
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os.system(cmd)
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# loop over the different ALOS folders and make sure the folder names are consistent.
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# this step is not needed unless the user has manually unzipped data before.
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ALOS_folders = glob.glob(os.path.join(inps.inputDir, 'ALOS2*'))
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for ALOS_folder in ALOS_folders:
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# in case the user has already unzipped some files
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# make sure they are unzipped similar like the uncompressfile code
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temp = os.path.basename(ALOS_folder)
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parts = temp.split(".")
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parts = parts[0].split('-')
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ALOS_outfolder_temp = parts[0]
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ALOS_outfolder_temp = os.path.join(os.path.dirname(ALOS_folder),ALOS_outfolder_temp)
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# check if the folder (ALOS_folder) has a different filename as generated from uncompressFile (ALOS_outfolder_temp)
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if not (ALOS_outfolder_temp == ALOS_folder):
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# it is different, check if the ALOS_outfolder_temp already exists, if yes, delete the current folder
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if os.path.isdir(ALOS_outfolder_temp):
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print('Remove ' + ALOS_folder + ' as ' + ALOS_outfolder_temp + ' exists...')
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# check if this folder already exist, if so overwrite it
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shutil.rmtree(ALOS_folder)
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# loop over the different ALOS folders and organize in date folders
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ALOS_folders = glob.glob(os.path.join(inps.inputDir, 'ALOS2*'))
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for ALOS_folder in ALOS_folders:
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# get the date
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successflag, imgDate = get_Date(ALOS_folder)
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workdir = os.path.dirname(ALOS_folder)
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if successflag:
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# move the file into the date folder
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SLC_dir = os.path.join(workdir,imgDate,'')
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os.makedirs(SLC_dir, exist_ok=True)
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# check if the folder already exist in that case overwrite it
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ALOS_folder_out = os.path.join(SLC_dir,os.path.basename(ALOS_folder))
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if os.path.isdir(ALOS_folder_out):
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shutil.rmtree(ALOS_folder_out)
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# move the ALOS acqusition folder in the date folder
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cmd = 'mv ' + ALOS_folder + ' ' + SLC_dir + '.'
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os.system(cmd)
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print ('Succes: ' + imgDate)
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else:
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print('Failed: ' + ALOS_folder)
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# now generate the unpacking script for all the date dirs
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dateDirs = sorted(glob.glob(os.path.join(inps.inputDir,'2*')))
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if inps.outputDir is not None:
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f = open(run_unPack,'w')
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for dateDir in dateDirs:
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AlosFiles = glob.glob(os.path.join(dateDir, 'ALOS2*'))
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# if there is at least one frame
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if len(AlosFiles)>0:
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acquisitionDate = os.path.basename(dateDir)
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slcDir = os.path.join(inps.outputDir, acquisitionDate)
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os.makedirs(slcDir, exist_ok=True)
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cmd = 'unpackFrame_ALOS2.py -i ' + os.path.abspath(dateDir) + ' -o ' + slcDir
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print (cmd)
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f.write(inps.text_cmd + cmd+'\n')
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f.close()
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return
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if __name__ == '__main__':
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main()
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