import os, fnmatch, zipfile, datetime

outpath = '//I/NCEAS/topo/incoming/srtmv41'

inpath = '//I/NCEAS/SRTM_90m_ASCII_v4.1'

logname = outpath + '/unzip.log'

logfile = open(logname, 'a')

logfile.write('Start unziptiles.py at ' + str(datetime.datetime.today()) + '\n')

nprocessed = 0

nerrors = 0

try:

    for filename in os.listdir(inpath):

        fullname = inpath + '/' + filename

        if fnmatch.fnmatch(fullname, '*.zip'):

            print fullname

            try:

                zip = zipfile.ZipFile(fullname, 'r')

                for zipi in zip.infolist():

                    name = zipi.filename

                    if name != 'readme.txt':

                        outfilename = outpath + '/' + name

                        print outfilename

                        if os.path.exists(outfilename):

                            print 'done'

                        else:

                            print 'Process', outfilename

                            outfile = open(outfilename, 'w')

                            outfile.write(zip.read(name))

                            outfile.close()

                            nprocessed = nprocessed + 1

                zip.close()

            except Exception, e:

                print str(e)

                logfile.write(str(e) + '\n')

                nerrors = nerrors + 1

except Exception, e:

    print "Exception:", e.str()

    logfile.write(str(e) + '\n')

logfile.write('Processed ' + str(nprocessed) + '\n')

logfile.write('Errors: ' + str(nerrors) + '\n')

logfile.write('End unziptiles.py at ' + str(datetime.datetime.today()) + '\n')

logfile.close()