JezK
Edit File: gdal_zip.py
#!/usr/bin/env python3 ############################################################################### # $Id$ # # Project: GDAL samples # Purpose: Create a zip file # Author: Even Rouault <even dot rouault at spatialys dot com> # ############################################################################### # Copyright (c) 2018, Even Rouault <even dot rouault at spatialys dot com> # # Permission is hereby granted, free of charge, to any person obtaining a # copy of this software and associated documentation files (the "Software"), # to deal in the Software without restriction, including without limitation # the rights to use, copy, modify, merge, publish, distribute, sublicense, # and/or sell copies of the Software, and to permit persons to whom the # Software is furnished to do so, subject to the following conditions: # # The above copyright notice and this permission notice shall be included # in all copies or substantial portions of the Software. # # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS # OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL # THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING # FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER # DEALINGS IN THE SOFTWARE. ############################################################################### import sys from osgeo import gdal def Usage(): print("Usage: gdal_zip [-r] zip_filename source_file*") return 2 def copy_file(srcfile, targetfile, recurse): if recurse: subfiles = gdal.ReadDir(srcfile) if subfiles: for subfile in subfiles: if ( subfile != "." and subfile != ".." and not copy_file(srcfile + "/" + subfile, targetfile, True) ): return False return True fin = gdal.VSIFOpenL(srcfile, "rb") if not fin: print("Cannot open " + srcfile) return False fout = gdal.VSIFOpenL(targetfile + "/" + srcfile, "wb") if not fout: print("Cannot create " + targetfile + "/" + srcfile) gdal.VSIFCloseL(fin) return False buf_max_size = 4096 ret = True copied = 0 while True: buf = gdal.VSIFReadL(1, buf_max_size, fin) if buf is None: if copied == 0: print("Cannot read from%s" % srcfile) ret = False break buf_size = len(buf) if gdal.VSIFWriteL(buf, 1, buf_size, fout) != buf_size: print("Error writing %d bytes" % buf_size) ret = False break copied += buf_size if buf_size != buf_max_size: break gdal.VSIFCloseL(fin) gdal.VSIFCloseL(fout) return ret def gdal_zip(argv, progress=None): srcfiles = [] targetfile = None recurse = False argv = gdal.GeneralCmdLineProcessor(argv) if argv is None: return -1 if gdal.GetConfigOption("GDAL_NUM_THREADS") is None: gdal.SetConfigOption("GDAL_NUM_THREADS", "ALL_CPUS") for i in range(1, len(argv)): if argv[i] == "-r": recurse = True elif argv[i][0] == "-": print("Unrecognized option : %s" % argv[i]) return Usage() elif targetfile is None: targetfile = argv[i] else: srcfiles.append(argv[i]) if not srcfiles or targetfile is None: return Usage() if not targetfile.endswith(".zip"): targetfile += ".zip" targetfile = "/vsizip/" + targetfile ret = 0 for srcfile in srcfiles: if not copy_file(srcfile, targetfile, recurse): ret = 1 break return ret def main(argv=sys.argv): return gdal_zip(argv) if __name__ == "__main__": sys.exit(main(sys.argv))