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Viewing changes to contrib/create_bzr_rollup.py

  • Committer: Martin Pool
  • Date: 2005-08-04 19:31:20 UTC
  • Revision ID: mbp@sourcefrog.net-20050804193119-5be8d5233c4bef96
- move in tutorial from web site
  needs more updates

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contrib/create_bzr_rollup.py
 
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#!/usr/bin/env python
 
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"""\
 
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This script runs after rsyncing bzr.
 
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It checks the bzr version, and sees if there is a tarball and
 
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zipfile that exist with that version.
 
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If not, it creates them.
 
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"""
 
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import os, sys, tempfile
 
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def sync(remote, local, verbose=False):
 
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        """Do the actual synchronization
 
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        """
 
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        if verbose:
 
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                status = os.system('rsync -av --delete "%s" "%s"' % (remote, local))
 
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        else:
 
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                status = os.system('rsync -a --delete "%s" "%s"' % (remote, local))
 
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        return status==0
 
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def create_tar_gz(local_dir, output_dir=None, verbose=False):
 
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        import tarfile, bzrlib
 
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        out_name = os.path.basename(local_dir) + '-' + str(bzrlib.Branch(local_dir).revno())
 
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        final_path = os.path.join(output_dir, out_name + '.tar.gz')
 
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        if os.path.exists(final_path):
 
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                if verbose:
 
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                        print 'Output file already exists: %r' % final_path
 
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                return
 
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        fn, tmp_path=tempfile.mkstemp(suffix='.tar', prefix=out_name, dir=output_dir)
 
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        os.close(fn)
 
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        try:
 
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                if verbose:
 
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                        print 'Creating %r (%r)' % (final_path, tmp_path)
 
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                tar = tarfile.TarFile(name=tmp_path, mode='w')
 
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                tar.add(local_dir, arcname=out_name, recursive=True)
 
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                tar.close()
 
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                if verbose:
 
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                        print 'Compressing...'
 
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                if os.system('gzip "%s"' % tmp_path) != 0:
 
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                        raise ValueError('Failed to compress')
 
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                tmp_path += '.gz'
 
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                os.chmod(tmp_path, 0644)
 
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                os.rename(tmp_path, final_path)
 
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        except:
 
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                os.remove(tmp_path)
 
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                raise
 
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def create_tar_bz2(local_dir, output_dir=None, verbose=False):
 
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        import tarfile, bzrlib
 
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        out_name = os.path.basename(local_dir) + '-' + str(bzrlib.Branch(local_dir).revno())
 
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        final_path = os.path.join(output_dir, out_name + '.tar.bz2')
 
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        if os.path.exists(final_path):
 
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                if verbose:
 
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                        print 'Output file already exists: %r' % final_path
 
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                return
 
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        fn, tmp_path=tempfile.mkstemp(suffix='.tar', prefix=out_name, dir=output_dir)
 
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        os.close(fn)
 
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        try:
 
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                if verbose:
 
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                        print 'Creating %r (%r)' % (final_path, tmp_path)
 
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                tar = tarfile.TarFile(name=tmp_path, mode='w')
 
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                tar.add(local_dir, arcname=out_name, recursive=True)
 
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                tar.close()
 
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                if verbose:
 
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                        print 'Compressing...'
 
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                if os.system('bzip2 "%s"' % tmp_path) != 0:
 
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                        raise ValueError('Failed to compress')
 
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                tmp_path += '.bz2'
 
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                os.chmod(tmp_path, 0644)
 
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                os.rename(tmp_path, final_path)
 
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        except:
 
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                os.remove(tmp_path)
 
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                raise
 
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def create_zip(local_dir, output_dir=None, verbose=False):
 
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        import zipfile, bzrlib
 
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        out_name = os.path.basename(local_dir) + '-' + str(bzrlib.Branch(local_dir).revno())
 
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        final_path = os.path.join(output_dir, out_name + '.zip')
 
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        if os.path.exists(final_path):
 
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                if verbose:
 
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                        print 'Output file already exists: %r' % final_path
 
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                return
 
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        fn, tmp_path=tempfile.mkstemp(suffix='.zip', prefix=out_name, dir=output_dir)
 
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        os.close(fn)
 
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        try:
 
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                if verbose:
 
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                        print 'Creating %r (%r)' % (final_path, tmp_path)
 
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                zip = zipfile.ZipFile(file=tmp_path, mode='w')
 
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                try:
 
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                        for root, dirs, files in os.walk(local_dir):
 
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                                for f in files:
 
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                                        path = os.path.join(root, f)
 
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                                        arcname = os.path.join(out_name, path[len(local_dir)+1:])
 
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                                        zip.write(path, arcname=arcname)
 
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                finally:
 
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                        zip.close()
 
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                os.chmod(tmp_path, 0644)
 
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                os.rename(tmp_path, final_path)
 
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        except:
 
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                os.remove(tmp_path)
 
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                raise
 
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def get_local_dir(remote, local):
 
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        """This returns the full path to the local directory where 
 
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        the files are kept.
 
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        rsync has the trick that if the source directory ends in a '/' then
 
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        the file will be copied *into* the target. If it does not end in a slash,
 
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        then the directory will be added into the target.
 
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        """
 
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        if remote[-1:] == '/':
 
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                return local
 
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        # rsync paths are typically user@host:path/to/something
 
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        # the reason for the split(':') is in case path doesn't contain a slash
 
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        extra = remote.split(':')[-1].split('/')[-1]
 
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        return os.path.join(local, extra)
 
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def get_output_dir(output, local):
 
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        if output:
 
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                return output
 
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        return os.path.dirname(os.path.realpath(local))
 
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def main(args):
 
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        import optparse
 
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        p = optparse.OptionParser(usage='%prog [options] [remote] [local]'
 
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                '\n  rsync the remote repository to the local directory'
 
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                '\n  if remote is not given, it defaults to "bazaar-ng.org::bazaar-ng/bzr/bzr.dev"'
 
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                '\n  if local is not given it defaults to "."')
 
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        p.add_option('--verbose', action='store_true'
 
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                , help="Describe the process")
 
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        p.add_option('--no-tar-gz', action='store_false', dest='create_tar_gz', default=True
 
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                , help="Don't create a gzip compressed tarfile.")
 
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        p.add_option('--no-tar-bz2', action='store_false', dest='create_tar_bz2', default=True
 
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                , help="Don't create a bzip2 compressed tarfile.")
 
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        p.add_option('--no-zip', action='store_false', dest='create_zip', default=True
 
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                , help="Don't create a zipfile.")
 
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        p.add_option('--output-dir', default=None
 
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                , help="Set the output location, default is just above the final local directory.")
 
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        (opts, args) = p.parse_args(args)
 
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        if len(args) < 1:
 
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                remote = 'bazaar-ng.org::bazaar-ng/bzr/bzr.dev'
 
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        else:
 
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                remote = args[0]
 
151
        if len(args) < 2:
 
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                local = '.'
 
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        else:
 
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                local = args[1]
 
155
        if len(args) > 2:
 
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                print 'Invalid number of arguments, see --help for details.'
 
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158
        if not sync(remote, local, verbose=opts.verbose):
 
159
                if opts.verbose:
 
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                        print '** rsync failed'
 
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                return 1
 
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        # Now we have the new update
 
163
        local_dir = get_local_dir(remote, local)
 
164
 
 
165
        output_dir = get_output_dir(opts.output_dir, local_dir)
 
166
        if opts.create_tar_gz:
 
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                create_tar_gz(local_dir, output_dir=output_dir, verbose=opts.verbose)
 
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        if opts.create_tar_bz2:
 
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                create_tar_bz2(local_dir, output_dir=output_dir, verbose=opts.verbose)
 
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        if opts.create_zip:
 
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                create_zip(local_dir, output_dir=output_dir, verbose=opts.verbose)
 
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        return 0
 
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if __name__ == '__main__':
 
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        sys.exit(main(sys.argv[1:]))
 
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