/usr/bin/uhd_images_downloader is in uhd-host 3.5.5-1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 | #!/usr/bin/env python
#
# Copyright 2012-2013 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
import hashlib
from optparse import OptionParser
import os
import os.path
import shutil
import string
import sys
import tempfile
import urllib2
import zipfile
def md5Checksum(filePath):
with open(filePath, 'rb') as fh:
m = hashlib.md5()
while True:
data = fh.read(8192)
if not data:
break
m.update(data)
return m.hexdigest()
class temp_dir():
def __enter__(self):
self.name = tempfile.mkdtemp()
return self.name
def __exit__(self, type, value, traceback):
try:
shutil.rmtree(self.name)
except OSError,e:
#Utility should have already detected this, but this is for safety
print str(e)
raise Exception("Could not install images! Make sure you have write permissions.")
if __name__ == "__main__":
print
if os.environ.get("UHD_IMAGES_DIR") != None and os.environ.get("UHD_IMAGES_DIR") != "":
default_images_dir = os.environ.get("UHD_IMAGES_DIR")
print "UHD_IMAGES_DIR environment variable is set. Default install location: %s" % default_images_dir
else:
default_images_dir = "/usr/share/uhd/images"
#Command line options
parser = OptionParser()
parser.add_option("--install-location", type="string", default=default_images_dir, help="Set custom install location for images")
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 = "http://files.ettus.com/binaries/maint_images/archive/uhd-images_003.005.005-release.zip"
images_zip_md5sum = "7f2fb75dbe3091539e3e761b0b79480a"
filename = images_src.split("/")[-1]
#Use this directory with relative paths
current_directory = os.getcwd()
with temp_dir() as dirname:
os.chdir(dirname)
if os.path.isabs(options.install_location):
#Custom absolute path given
images_dir = options.install_location
else:
#Custom relative path given, so construct absolute path
images_dir = os.path.abspath(os.path.join(current_directory, options.install_location))
#Before doing anything, check for write permissions in parent directory
parent_directory = os.path.dirname(images_dir)
if os.access(parent_directory, os.W_OK):
print "Downloading images to: %s" % images_dir
else:
print "You do not have write permissions at the install location!"
sys.exit(1)
opener = urllib2.build_opener()
opener.add_headers = [('User-Agent', 'UHD Images Downloader')]
u = opener.open(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()
#Checking md5sum of zip file
downloaded_zip_md5sum = md5Checksum(filename)
if images_zip_md5sum != downloaded_zip_md5sum:
print "\nMD5 checksum does not match!"
print "Expected %s, got %s" % (images_zip_md5sum, downloaded_zip_md5sum)
print "Images did not install. If problem persists, please contact support@ettus.com."
os.remove(filename)
os.chdir("/".join(images_dir.split("/")[:-1]))
sys.exit(1)
else:
temp_path = "tempdir"
#Extracting contents of zip file
if os.path.exists(temp_path):
shutil.rmtree(temp_path)
os.mkdir(temp_path)
images_zip = zipfile.ZipFile(filename)
images_zip.extractall(temp_path)
#Removing images currently in images_dir
if os.path.exists(images_dir):
try:
shutil.rmtree(images_dir)
except OSError,e:
print str(e)
print "Make sure you have write permissions in the images directory."
sys.exit(1)
#Copying downloaded images into images_dir
shutil.copytree(os.path.join(temp_path, os.path.splitext(filename)[0], 'share', 'uhd', 'images'), images_dir)
#Removing tempdir and zip file
shutil.rmtree(temp_path)
images_zip.close()
os.remove(filename)
os.chdir(images_dir)
print "\n\nImages successfully installed!"
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