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# Copyright 2008 The Tor Project, Inc. See LICENSE for licensing information.
import getopt
import logging
import os
import sys
import time
try:
import json
except ImportError:
import simplejson as json
import thandy.formats
import thandy.util
import thandy.repository
import thandy.download
import thandy.master_keys
import thandy.packagesys.PackageSystem
import thandy.socksurls
import thandy.encodeToXML
def update(args):
repoRoot = thandy.util.userFilename("cache")
options, args = getopt.getopt(args, "", [ "repo=", "no-download",
"loop", "no-packagesys",
"install", "socks-port=",
"debug", "info",
"warn", "force-check"])
download = True
keep_looping = False
use_packagesys = True
install = False
socksPort = None
logLevel = logging.INFO
forceCheck = False
for o, v in options:
if o == '--repo':
repoRoot = v
elif o == "--no-download":
download = False
elif o == '--loop':
keep_looping = True
elif o == '--no-packagesys':
use_packagesys = False
elif o == '--install':
install = True
elif o == "--socks-port":
socksPort = int(v)
elif o == '--debug':
logLevel = logging.DEBUG
elif o == '--info':
logLevel = logging.INFO
elif o == '--warn':
logLevel = logging.WARN
elif o == '--force-check':
forceCheck = True
logging.basicConfig(level=logLevel)
if socksPort:
thandy.socksurls.setSocksProxy("127.0.0.1", socksPort)
repo = thandy.repository.LocalRepository(repoRoot)
packagesys = None
if use_packagesys:
packagesys = thandy.packagesys.PackageSystem.PackageMetasystem.create(repo)
downloader = thandy.download.DownloadManager()
downloader.start()
# XXXX We could make this loop way smarter. Right now, it doesn't
# back off between failures, and it doesn't notice newly downloadable files
# until all downloading files are finished.
while True:
hashes = {}
installable = {}
logging.info("Checking for files to update.")
files = repo.getFilesToUpdate(trackingBundles=args, hashDict=hashes,
pkgSystems=packagesys,
installableDict=installable)
if forceCheck:
files.add("/meta/timestamp.txt")
forceCheck = False
if installable and not files:
logging.info("Ready to install files: %s",
", ".join(sorted(installable.keys())))
if install:
# XXXX handle ordering
for h in installable.values():
h.install()
return
elif not files:
logging.info("No files to download")
if not keep_looping:
return
ts = repo.getTimestampFile().get()
age = time.time() - thandy.formats.parseTime(ts['at'])
delay = thandy.repository.MAX_TIMESTAMP_AGE - age
if delay > 3600:
delay = 3600
elif delay < 0:
delay = 300
logging.info("Will check again in %s seconds", delay)
time.sleep(delay)
continue
logging.info("Files to download are: %s", ", ".join(sorted(files)))
if not download:
return
mirrorlist = repo.getMirrorlistFile().get()
if not mirrorlist:
mirrorlist = thandy.master_keys.DEFAULT_MIRRORLIST
if files:
waitTill = min(downloader.getRetryTime(mirrorlist, f)
for f in files)
now = time.time()
if waitTill > now:
delay = int(waitTill - now) + 1
logging.info("Waiting another %s seconds before we are willing "
"to retry any mirror.", delay)
time.sleep(delay)
continue
logging.debug("Launching downloads")
now = time.time()
for f in files:
if downloader.getRetryTime(mirrorlist, f) > now:
logging.info("Waiting a while before we fetch %s", f)
continue
dj = thandy.download.ThandyDownloadJob(
f, repo.getFilename(f),
mirrorlist,
wantHash=hashes.get(f),
repoFile=repo.getRequestedFile(f),
useTor=(socksPort!=None))
def successCb(rp=f):
rf = repo.getRequestedFile(rp)
if rf != None:
rf.clear()
rf.load()
def failCb(): pass
dj.setCallbacks(successCb, failCb)
downloader.addDownloadJob(dj)
logging.debug("Waiting for downloads to finish.")
downloader.wait()
logging.info("All downloads finished.")
def json2xml(args):
if len(args) != 1:
usage()
f = open(args[0], 'r')
obj = json.load(f)
f.close()
thandy.encodeToXML.encodeToXML(obj, sys.stdout.write)
def usage():
print "Known commands:"
print " update [--repo=repository] [--no-download] [--loop]"
print " [--no-packagesys] [--install] [--socks-port=port]"
print " [--debug|--info|--warn] [--force-check]"
print " json2xml file"
sys.exit(1)
def main():
if len(sys.argv) < 2:
usage()
cmd = sys.argv[1]
args = sys.argv[2:]
if cmd in [ "update", "json2xml" ]:
globals()[cmd](args)
else:
usage()
if __name__ == '__main__':
main()
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