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#!/usr/bin/python
# -*- Mode: python -*-
# change name of baseline db to baseline db.now
# create new baseline db (anydbm)
# regenerate baseline checksums from checksum raster files
# for all files in raster directory
# calculate checksum
# add filename and checksum to db
import os, time, optparse, myoptparse, gsconf, gssum, anydbm, rasterdb, re
def regen_baseline(rasterdir,workdir,baselinedbname,listfile,options=None):
if options == None:
myself="regen_baseline.py"
else:
myself=options.myself
if listfile: # listfile may be a subset of the files in rasterdir
print listfile
f=open(listfile)
rasterfiles=f.readlines()
f.close
else:
rasterfiles = os.listdir(rasterdir)
rasterfiles.sort()
if not os.path.exists(workdir):
os.mkdir(workdir)
total=len(rasterfiles)
all=0
print "%50s %s %i" % (rasterdir,"total files",total)
gzmatch=re.compile('.*gz$')
for rasterfile_raw in rasterfiles:
rasterfile_raw=rasterfile_raw.strip("\n")
fullname=rasterdir+rasterfile_raw
# if not os.path.isfile(fullname):
# print myself,"ignoring (not regular file)",fullname
# continue
if not gzmatch.match(rasterfile_raw):
print myself,"ignoring (not gz)",rasterfile_raw
continue
rasterfile=rasterfile_raw.replace(".gz","")
rasterfilepath=workdir+rasterfile
if not os.path.exists(rasterfilepath):
if options.verbose: print "gz ",rasterfile_raw
rasterdb.get_file(rasterfile,rasterdir,output=rasterfilepath)
if options.verbose: print rasterfilepath
sum=gssum.add_file(rasterfilepath,baselinedbname)
all+=1
if options.verbose: print "%100s %s %i %s %i" % (rasterfile,sum,all,"of",total)
if options.delete and os.path.exists(rasterfilepath):
os.unlink(rasterfilepath)
if __name__ == "__main__":
optionsParser=optparse.OptionParser()
optionsParser.add_option('--new',action='store_true',help="start new db file")
optionsParser.add_option('--delete',action='store_true',help="delete intermediate raster files")
optionsParser.add_option('--listfile',action='store',help="listfile:\"list\"",default=None)
(options,arguments)=myoptparse.parseCommandLineBasic(optionsParser)
listfile=options.listfile
baselinedb=gsconf.baselinedb
if options.new:
now=time.strftime("%Y-%m-%d-%H:%M:%S", time.localtime())
print options.myself,now
if os.path.exists(baselinedb):
baselinedb_backup=baselinedb+"."+now
print "saving",baselinedb,"to",baselinedb_backup
os.rename(baselinedb,baselinedb_backup)
print options.myself,"create new baseline database"
db = anydbm.open(baselinedb, 'c')
else:
print options.myself,"use existing baseline database"
db = anydbm.open(baselinedb, 'r')
print baselinedb
regen_baseline(gsconf.rasterdbdir,gsconf.workdir,baselinedb,listfile=listfile,options=options)
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