~launchpad-pqm/launchpad/devel

#!/usr/bin/python2.4

#

# Copyright 2009 Canonical Ltd.  This software is licensed under the

# GNU Affero General Public License version 3 (see the file LICENSE).

# pylint: disable-msg=W0403

"""Simple tool to upload arbitrary files into Librarian."""

import logging

import os

import _pythonpath

from zope.component import getUtility

from canonical.launchpad.interfaces.librarian import ILibraryFileAliasSet

from canonical.launchpad.helpers import filenameToContentType

from lp.services.scripts.base import (

    LaunchpadScript, LaunchpadScriptFailure)

class LibrarianUploader(LaunchpadScript):

    description = "Upload a file to librarian."

    usage = "usage: %prog <f|--file> <filename>"

    loglevel = logging.INFO

    def add_my_options(self):

        self.parser.set_defaults(format='simple')

        self.parser.add_option(

        "-f", "--file", dest="filepath", metavar="FILE",

        help="filename to upload")

    def main(self):

        """Upload file, commit the transaction and prints the file URL."""

        if self.options.filepath is None:

            raise LaunchpadScriptFailure('File not provided.')

        library_file = self.upload_file(self.options.filepath)

        self.txn.commit()

        self.logger.info(library_file.http_url)

    def upload_file(self, filepath):

        """Upload given file to Librarian.

        :param filepath: path to the file on disk that should be uploaded to

            Librarian.

        :raise: `LaunchpadScriptFailure` if the given filepath could not be

            opened.

        :return: the `LibraryFileAlias` record corresponding to the uploaded

            file.

        """

        try:

            file = open(filepath)

        except IOError:

            raise LaunchpadScriptFailure('Could not open: %s' % filepath)

        flen = os.stat(filepath).st_size

        filename = os.path.basename(filepath)

        ftype = filenameToContentType(filename)

        library_file = getUtility(ILibraryFileAliasSet).create(

            filename, flen, file, contentType=ftype)

        return library_file

if __name__ == '__main__':

    script = LibrarianUploader('librarian-uploader')

    script.run()