コード例 #1
0
def prune_graph(graph_str, package_name):
    """Prune a package graph so it only contains nodes accessible from the
    given package.

    Args:
        graph_str (str): Dot-language graph string.
        package_name (str): Name of package of interest.

    Returns:
        Pruned graph, as a string.
    """
    # find nodes of interest
    g = read_dot(graph_str)
    nodes = set()

    for node, attrs in g.node_attr.iteritems():
        attr = [x for x in attrs if x[0] == "label"]
        if attr:
            label = attr[0][1]
            try:
                req_str = _request_from_label(label)
                request = PackageRequest(req_str)
            except PackageRequestError:
                continue

            if request.name == package_name:
                nodes.add(node)

    if not nodes:
        raise ValueError("The package %r does not appear in the graph." %
                         package_name)

    # find nodes upstream from these nodes
    g_rev = g.reverse()
    accessible_nodes = set()
    access = accessibility(g_rev)
    for node in nodes:
        nodes_ = access.get(node, [])
        accessible_nodes |= set(nodes_)

    # remove inaccessible nodes
    inaccessible_nodes = set(g.nodes()) - accessible_nodes
    for node in inaccessible_nodes:
        g.del_node(node)

    return write_dot(g)
コード例 #2
0
ファイル: depends.py プロジェクト: zclongpop123/rez
def command(opts, parser, extra_arg_groups=None):
    from rez.package_search import get_reverse_dependency_tree
    from rez.utils.graph_utils import save_graph, view_graph
    from rez.config import config
    from rez.vendor.pygraph.readwrite.dot import write as write_dot
    import os
    import os.path

    config.override("warn_none", True)
    config.override("show_progress", (not opts.quiet))

    if opts.paths is None:
        pkg_paths = None
    else:
        pkg_paths = opts.paths.split(os.pathsep)
        pkg_paths = [os.path.expanduser(x) for x in pkg_paths if x]

    pkgs_list, g = get_reverse_dependency_tree(
        package_name=opts.PKG,
        depth=opts.depth,
        paths=pkg_paths,
        build_requires=opts.build_requires,
        private_build_requires=opts.private_build_requires)

    if opts.graph or opts.print_graph or opts.write_graph:
        gstr = write_dot(g)
        if opts.print_graph:
            print(gstr)
        elif opts.write_graph:
            save_graph(gstr, dest_file=opts.write_graph)
        else:
            view_graph(gstr)
        return 0

    for i, pkgs in enumerate(pkgs_list):
        if opts.quiet:
            toks = pkgs
        else:
            toks = ["#%d:" % i] + pkgs
        print(' '.join(toks))
コード例 #3
0
ファイル: depends.py プロジェクト: instinct-vfx/rez
def command(opts, parser, extra_arg_groups=None):
    from rez.package_search import get_reverse_dependency_tree
    from rez.utils.graph_utils import save_graph, view_graph
    from rez.config import config
    from rez.vendor.pygraph.readwrite.dot import write as write_dot
    import os
    import os.path

    config.override("warn_none", True)
    config.override("show_progress", (not opts.quiet))

    if opts.paths is None:
        pkg_paths = None
    else:
        pkg_paths = opts.paths.split(os.pathsep)
        pkg_paths = [os.path.expanduser(x) for x in pkg_paths if x]

    pkgs_list, g = get_reverse_dependency_tree(
        package_name=opts.PKG,
        depth=opts.depth,
        paths=pkg_paths,
        build_requires=opts.build_requires,
        private_build_requires=opts.private_build_requires)

    if opts.graph or opts.print_graph or opts.write_graph:
        gstr = write_dot(g)
        if opts.print_graph:
            print gstr
        elif opts.write_graph:
            save_graph(gstr, dest_file=opts.write_graph)
        else:
            view_graph(gstr)
        return 0

    for i, pkgs in enumerate(pkgs_list):
        if opts.quiet:
            toks = pkgs
        else:
            toks = ["#%d:" % i] + pkgs
        print ' '.join(toks)
コード例 #4
0
ファイル: ViewGraphButton.py プロジェクト: wwfxuk/rez
 def _view_dependency_graph(self):
     from rez.vendor.pygraph.readwrite.dot import write as write_dot
     graph = self.context().get_dependency_graph()
     graph_str = write_dot(graph)
     view_graph(graph_str, self.window(), prune_to=self.package_name)
コード例 #5
0
ファイル: ViewGraphButton.py プロジェクト: sonictk/rez
    def _view_dependency_graph(self):
        from rez.vendor.pygraph.readwrite.dot import write as write_dot

        graph = self.context().get_dependency_graph()
        graph_str = write_dot(graph)
        view_graph(graph_str, self.window(), prune_to=self.package_name)