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#!/usr/bin/python
#
# (C) 2013 Linaro Ltd.
#
# Based on scripts/download.py from lp:linaro-licence-protection
#
# This program is free software: you can redistribute it and/or modify it under
# the terms of the GNU Affero 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 Affero General Public License for more
# details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import json
import urlparse
import shutil
import urllib2
import os
import sys
import re
import snapshotsapi
def download(api_urls, file_regexp):
"""Example of how to use the API to download a/all files in a directory."""
# Get listing for file(s) pointed to by URL we were given
request = urllib2.urlopen(api_urls.ls())
listing = json.loads(request.read())["files"]
for file_info in listing:
if file_info["type"] == "folder":
# Skip folders...
continue
if not re.match(file_regexp, file_info["name"]):
continue
print "downloading %s" % file_info["url"]
# just download the file.
req = urllib2.urlopen(urllib2.Request(api_urls.file(file_info["url"])))
with open(os.path.basename(file_info["url"]), 'wb') as fp:
shutil.copyfileobj(req, fp)
def check_for_latest(api_urls):
request = urllib2.urlopen(api_urls.ls())
listing = json.loads(request.read())["files"]
latest = 0
for file_info in listing:
if file_info["name"] != "latest" and file_info["name"] > latest:
latest = file_info["name"]
print "latest is %s" % latest
return latest
if __name__ == '__main__':
if len(sys.argv) != 3:
print >> sys.stderr, "Usage: fetch-from-snapshots.py base_url filenameregexp"
print >> sys.stderr, ""
print >> sys.stderr, "Example: fetch-from-snapshots.py http://snapshots.linaro.org/openembedded/images/minimal-armv8 linaro-image-minimal.*tar.gz"
exit(1)
latest = check_for_latest(snapshotsapi.ApiUrls(sys.argv[1]))
download(snapshotsapi.ApiUrls(sys.argv[1] + "/" + latest), sys.argv[2])
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