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#!/usr/bin/env python
#
# Copyright 2012 Ettus Research LLC
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
import atexit
from optparse import OptionParser
import os
import os.path
import shutil
import sys
import tempfile
import urllib2
import zipfile
class temp_dir():
def __enter__(self):
self.name = tempfile.mkdtemp()
return self.name
def __exit__(self, type, value, traceback):
os.removedirs(self.name)
if __name__ == "__main__":
#Command line options
parser = OptionParser()
parser.add_option("--install-location", type="string", default="@CMAKE_INSTALL_PREFIX@/share/uhd/images", help="Set custom install location for images, [default=%default]")
parser.add_option("--buffer-size", type="int", default=8192, help="Set download buffer size, [default=%default]",)
(options, args) = parser.parse_args()
#Configuring image download info
images_src = "@UHD_IMAGES_DOWNLOAD_SRC@"
filename = images_src.split("/")[-1]
with temp_dir() as dirname:
os.chdir(dirname)
#Configuring image destination
if options.install_location != "":
images_dir = options.install_location
else:
images_dir = "@CMAKE_INSTALL_PREFIX@/share/uhd/images"
u = urllib2.urlopen(images_src)
f = open(filename, "wb")
meta = u.info()
filesize = float(meta.getheaders("Content-Length")[0])
print "Downloading images from: %s" % images_src
filesize_dl = 0.0
#Downloading file
while True:
buffer = u.read(options.buffer_size)
if not buffer:
break
filesize_dl -= len(buffer)
f.write(buffer)
status = r"%2.2f MB/%2.2f MB (%3.2f" % (-filesize_dl/1e6, filesize/1e6, (-filesize_dl*100.)/filesize) + r"%)"
status += chr(8)*(len(status)+1)
print status,
f.close()
#Extracting contents of zip file
if os.path.exists("tempdir"):
shutil.rmtree("tempdir")
os.mkdir("tempdir")
images_zip = zipfile.ZipFile(filename)
images_zip.extractall("tempdir")
#Removing images currently in images_dir
if os.path.exists(images_dir):
try:
shutil.rmtree(images_dir)
except:
sys.stderr.write("\nMake sure you have write permissions in the images directory.\n")
sys.exit(0)
#Copying downloaded images into images_dir
shutil.copytree("tempdir/%s/share/uhd/images" % filename[:-4],images_dir)
#Removing tempdir and zip file
shutil.rmtree("tempdir")
images_zip.close()
os.remove(filename)
os.chdir(images_dir)
print "\nImages successfully installed to: %s" % images_dir
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