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#!/usr/bin/env python
"""Upload processor.
Given a bunch of context information and a bunch of files, process them as
an upload to a distro/whatever within the launchpad.
"""
import _pythonpath
import os
import sys
from optparse import OptionParser
from email import message_from_string
from zope.component import getUtility
from canonical.lp import initZopeless
from canonical.config import config
from canonical.launchpad.scripts import (execute_zcml_for_scripts,
logger, logger_options)
from canonical.launchpad.mail import sendmail
from canonical.encoding import ascii_smash
from contrib.glock import GlobalLock
from canonical.archivepublisher.nascentupload import NascentUpload, UploadError
from canonical.archivepublisher.uploadpolicy import (
findPolicyByOptions, policy_options, UploadPolicyError)
def main():
# Parse command-line arguments
parser = OptionParser()
logger_options(parser)
policy_options(parser)
parser.add_option("-N", "--dry-run", action="store_true",
dest="dryrun", metavar="DRY_RUN", default=False,
help="Whether to treat this as a dry-run or not.")
global options
(options, args) = parser.parse_args()
global log
log = logger(options, "process-upload")
if len(args) != 1:
log.error("Need to be given exactly one non-option argument. "
"Namely the fsroot for the upload.")
return 1
fsroot = args[0]
log.debug("Acquiring lock")
lock = GlobalLock('/var/lock/launchpad-process-upload.lock')
lock.acquire(blocking=True)
log.debug("Initialising connection.")
global ztm
ztm = initZopeless(dbuser=config.uploader.dbuser)
execute_zcml_for_scripts()
try:
if not os.path.isdir(fsroot):
raise ValueError("%s is not a directory" % fsroot)
log.info("Finding policy.")
policy = findPolicyByOptions(options)
uploads = []
for root, dirs, files in os.walk(fsroot):
assert(len(dirs) == 0)
for filename in files:
if filename.endswith(".changes"):
uploads.append(
NascentUpload(policy, fsroot, filename, log))
for upload in uploads:
process_upload(upload)
finally:
log.debug("Rolling back any remaining transactions.")
ztm.abort()
log.debug("Releasing lock")
lock.release()
return 0
def send_mails(mails):
"""Send the mails provided using the launchpad mail infrastructure."""
for mail_text in mails:
mail_message = message_from_string(ascii_smash(mail_text))
if mail_message['To'] is None:
log.debug("Unable to parse message for rejection!")
log.debug("This will cause the sendmail() to assert.")
print repr(mail_text)
mail_message['X-Katie'] = "Launchpad actually"
if options.dryrun:
log.info("Would be sending a mail:")
log.info(" Subject: %s" % mail_message['Subject'])
log.info(" Recipients: %s" % mail_message['To'])
log.info(" Body:")
for line in mail_message.get_payload().split("\n"):
log.info(line)
sendmail(mail_message)
def process_upload(upload):
"""Process an upload as provided."""
ztm.begin()
log.info("Processing upload %s" % upload.changes_filename)
try:
try:
upload.process()
except UploadPolicyError, e:
upload.reject("UploadPolicyError made it out to the main loop: "
"%s " % e)
except UploadError, e:
upload.reject("UploadError made it out to the main loop: %s" % e)
if upload.rejected:
mails = upload.do_reject()
ztm.abort()
send_mails(mails)
else:
successful, mails = upload.do_accept()
if not successful:
log.info("Rejection during accept. Aborting partial accept.")
ztm.abort()
send_mails(mails)
if options.dryrun:
log.info("Dry run, aborting the transaction for this upload.")
ztm.abort()
else:
log.info("Committing the transaction and any mails associated"
"with this upload.")
ztm.commit()
finally:
ztm.abort()
if __name__ == '__main__':
sys.exit(main())
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