Exemplo n.º 1
0
def create_delta_packages_from_obj(old_packages, new_package_obj, specdir):
    new_pkg_info = new_package_obj.metadata.package
    new_pkg_files = new_package_obj.files

    new_pkg_path = new_package_obj.tmp_dir

    new_pkg_name = os.path.basename(new_package_obj.filepath)
    name, new_version, new_release, new_distro_id, new_arch = \
            util.split_package_filename(new_pkg_name)

    cwd = os.getcwd()
    out_dir = ctx.get_option("output_dir")
    target_format = ctx.get_option("package_format")
    delta_packages = []

    for old_package in old_packages:
        old_pkg = pisilinux.package.Package(old_package)
        old_pkg_info = old_pkg.metadata.package

        if old_pkg_info.name != new_pkg_info.name:
            ctx.ui.warning(_("The file '%s' belongs to a different package "
                             "other than '%s'. Skipping it...")
                             % (old_package, new_pkg_info.name))
            continue

        if old_pkg_info.release == new_pkg_info.release:
            ctx.ui.warning(_("Package '%s' has the same release number with "
                             "the new package. Skipping it...") % old_package)
            continue

        delta_name = "-".join((old_pkg_info.name,
                               old_pkg_info.release,
                               new_pkg_info.release,
                               new_distro_id,
                               new_arch)) + ctx.const.delta_package_suffix

        ctx.ui.info(_("Creating %s...") % delta_name)

        if out_dir:
            delta_name = util.join_path(out_dir, delta_name)

        old_pkg_files = old_pkg.get_files()

        files_delta = find_delta(old_pkg_files, new_pkg_files)

        if len(files_delta) == len(new_pkg_files.list):
            ctx.ui.warning(_("All files in the package '%s' are different "
                             "from the files in the new package. Skipping "
                             "it...") % old_package)
            continue

        delta_pkg = pisilinux.package.Package(delta_name, "w", format=target_format)

        # add comar files to package
        os.chdir(specdir)
        for pcomar in new_pkg_info.providesComar:
            fname = util.join_path(ctx.const.comar_dir, pcomar.script)
            delta_pkg.add_to_package(fname)

        # add xmls and files
        os.chdir(new_pkg_path)

        delta_pkg.add_metadata_xml(ctx.const.metadata_xml)
        delta_pkg.add_files_xml(ctx.const.files_xml)

        # only metadata information may change in a package,
        # so no install archive added to delta package
        if files_delta:
            # Sort the files in-place according to their path for an ordered
            # tarfile layout which dramatically improves the compression
            # performance of lzma. This improvement is stolen from build.py
            # (commit r23485).
            files_delta.sort(key=lambda x: x.path)

            for finfo in files_delta:
                orgname = util.join_path("install", finfo.path)
                if new_pkg_info.debug_package:
                    orgname = util.join_path("debug", finfo.path)
                delta_pkg.add_to_install(orgname, finfo.path)

        os.chdir(cwd)

        delta_pkg.close()
        delta_packages.append(delta_name)

    # Return delta package names
    return delta_packages
Exemplo n.º 2
0
def add_package(params):
    try:
        path, deltas, repo_uri = params

        ctx.ui.info("%-80.80s\r" % (_('Adding package to index: %s') %
            os.path.basename(path)), noln = True)

        package = pisi.package.Package(path, 'r')
        md = package.get_metadata()
        md.package.packageSize = int(os.path.getsize(path))
        md.package.packageHash = util.sha1_file(path)
        if ctx.config.options and ctx.config.options.absolute_urls:
            md.package.packageURI = os.path.realpath(path)
        else:
            md.package.packageURI = util.removepathprefix(repo_uri, path)

        # check package semantics
        errs = md.errors()
        if md.errors():
            ctx.ui.info("")
            ctx.ui.error(_('Package %s: metadata corrupt, skipping...') % md.package.name)
            ctx.ui.error(str(Error(*errs)))
        else:
            # No need to carry these with index (#3965)
            md.package.files = None
            md.package.additionalFiles = None

            if md.package.name in deltas:
                name, version, release, distro_id, arch = \
                        util.split_package_filename(path)

                for delta_path in deltas[md.package.name]:
                    src_release, dst_release, delta_distro_id, delta_arch = \
                            util.split_delta_package_filename(delta_path)[1:]

                    # Add only delta to latest build of the package
                    if dst_release != md.package.release or \
                            (delta_distro_id, delta_arch) != (distro_id, arch):
                        continue

                    delta = metadata.Delta()
                    delta.packageURI = util.removepathprefix(repo_uri, delta_path)
                    delta.packageSize = int(os.path.getsize(delta_path))
                    delta.packageHash = util.sha1_file(delta_path)
                    delta.releaseFrom = src_release

                    md.package.deltaPackages.append(delta)

        return md.package

    except KeyboardInterrupt:
        # Handle KeyboardInterrupt exception to prevent ugly backtrace of all
        # worker processes and propagate the exception to main process.
        #
        # Probably it's better to use just 'raise' here, but multiprocessing
        # module has some bugs about that: (python#8296, python#9205 and
        # python#9207 )
        #
        # For now, worker processes do not propagate exceptions other than
        # Exception (like KeyboardInterrupt), so we have to manually propagate
        # KeyboardInterrupt exception as an Exception.

        raise Exception