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#!/usr/bin/env python
###############################################################################
# $Id: gdal_zip.py 6571e64994b3fe1ba00f6b8fc0676242b16407f2 2018-07-02 15:05:27 +0200 Even Rouault $
#
# 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 -1
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
if __name__ == '__main__':
sys.exit(gdal_zip(sys.argv))
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