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# Copyright (C) 2009 One Laptop Per Child
# Licensed under the terms of the GNU GPL v2 or later; see COPYING for details.
from __future__ import with_statement
from __future__ import division
import sys
import os.path
import urllib
import urllib2
import urlparse
from bitfrost.update import microformat
import ooblib
cache = os.path.join(ooblib.cachedir, 'activities')
if not os.path.exists(cache):
os.makedirs(cache)
baseurl = ooblib.read_config('sugar_activity_group', 'url')
install_activities = ooblib.read_config_bool('sugar_activity_group',
'install_activities')
systemwide = ooblib.read_config_bool('sugar_activity_group',
'activity_group_systemwide')
if install_activities:
vmaj = int(ooblib.read_config('global', 'olpc_version_major'))
vmin = int(ooblib.read_config('global', 'olpc_version_minor'))
vrel = int(ooblib.read_config('global', 'olpc_version_release'))
suffixes = ["%d.%d.%d" % (vmaj, vmin, vrel), "%d.%d" % (vmaj, vmin), ""]
for suffix in suffixes:
if len(suffix) > 0:
grpurl = urlparse.urljoin(baseurl + "/", urllib.quote(suffix))
else:
grpurl = baseurl
print >>sys.stderr, "Trying group URL", grpurl
try:
name, desc, results = microformat.parse_url(grpurl)
except urllib2.HTTPError, e:
if e.code == 404:
continue
raise e
if len(results) == 0 or (name is None and desc is None):
continue
print >>sys.stderr, "Found activity group:", name
for name, info in results.items():
(version, url) = microformat.only_best_update(info)
print >>sys.stderr, "Examining %s v%s: %s" % (name, version, url)
fd = urllib2.urlopen(url)
headers = fd.info()
if not 'Content-length' in headers:
raise Exception("No content length for %s" % url)
length = int(headers['Content-length'])
path = urlparse.urlsplit(fd.geturl())[2]
path = os.path.basename(path)
localpath = os.path.join(cache, path)
if os.path.exists(localpath):
localsize = os.stat(localpath).st_size
if localsize == length:
print >>sys.stderr, "Not downloading, already in cache."
ooblib.install_sugar_bundle(localpath)
continue
print >>sys.stderr, "Downloading (%dkB)..." % (length/1024)
localfd = open(localpath, 'w')
localfd.write(fd.read())
fd.close()
localfd.close()
ooblib.install_sugar_bundle(localpath)
# only process the first working URL
break
if systemwide:
print "mkdir -p $INSTALL_ROOT/etc/olpc-update"
print "echo '%s' > $INSTALL_ROOT/etc/olpc-update/activity-groups" % baseurl
else:
print "echo '%s' > $INSTALL_ROOT/home/olpc/Activities/.groups" % baseurl
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