poky/scripts/oe-pkgdata-browser

#! /usr/bin/env python3

Copyright OpenEmbedded Contributors

SPDX-License-Identifier: MIT

import os, sys, enum, ast

scripts_path = os.path.dirname(os.path.realpath(file)) lib_path = scripts_path + '/lib' sys.path = sys.path + [lib_path]

import scriptpath bitbakepath = scriptpath.add_bitbake_lib_path() if not bitbakepath: print("Unable to find bitbake by searching parent directory of this script or PATH") sys.exit(1) import bb

import gi gi.require_version('Gtk', '3.0') from gi.repository import Gtk, Gdk, GObject

RecipeColumns = enum.IntEnum("RecipeColumns", {"Recipe": 0}) PackageColumns = enum.IntEnum("PackageColumns", {"Package": 0, "Size": 1}) FileColumns = enum.IntEnum("FileColumns", {"Filename": 0, "Size": 1})

import time def timeit(f): def timed(*args, **kw): ts = time.time() print ("func:%r calling" % f.name) result = f(*args, **kw) te = time.time() print ('func:%r args:[%r, %r] took: %2.4f sec' %
(f.name, args, kw, te-ts)) return result return timed

def human_size(nbytes): import math suffixes = ['B', 'kB', 'MB', 'GB', 'TB', 'PB'] human = nbytes rank = 0 if nbytes != 0: rank = int((math.log10(nbytes)) / 3) rank = min(rank, len(suffixes) - 1) human = nbytes / (1000.0 ** rank) f = ('%.2f' % human).rstrip('0').rstrip('.') return '%s %s' % (f, suffixes[rank])

def load(filename, suffix=None): from configparser import ConfigParser from itertools import chain

parser = ConfigParser(delimiters=('='))
if suffix:
    parser.optionxform = lambda option: option.replace(":" + suffix, "")
with open(filename) as lines:
    lines = chain(("[fake]",), (line.replace(": ", " = ", 1) for line in lines))
    parser.read_file(lines)

# TODO extract the data and put it into a real dict so we can transform some
# values to ints?
return parser["fake"]

def find_pkgdata(): import subprocess output = subprocess.check_output(("bitbake", "-e"), universal_newlines=True) for line in output.splitlines(): if line.startswith("PKGDATA_DIR="): return line.split("=", 1)[1].strip("'"") # TODO exception or something return None

def packages_in_recipe(pkgdata, recipe): """ Load the recipe pkgdata to determine the list of runtime packages. """ data = load(os.path.join(pkgdata, recipe)) packages = data["PACKAGES"].split() return packages

def load_runtime_package(pkgdata, package): return load(os.path.join(pkgdata, "runtime", package), suffix=package)

def recipe_from_package(pkgdata, package): data = load(os.path.join(pkgdata, "runtime", package), suffix=package) return data["PN"]

def summary(data): s = "" s += "{0[PKG]} {0[PKGV]}-{0[PKGR]}\n{0[LICENSE]}\n{0[SUMMARY]}\n".format(data)

return s

class PkgUi(): def init(self, pkgdata): self.pkgdata = pkgdata self.current_recipe = None self.recipe_iters = {} self.package_iters = {}

    builder = Gtk.Builder()
    builder.add_from_file(os.path.join(os.path.dirname(__file__), "oe-pkgdata-browser.glade"))

    self.window = builder.get_object("window")
    self.window.connect("delete-event", Gtk.main_quit)

    self.recipe_store = builder.get_object("recipe_store")
    self.recipe_view = builder.get_object("recipe_view")
    self.package_store = builder.get_object("package_store")
    self.package_view = builder.get_object("package_view")

    # Somehow resizable does not get set via builder xml
    package_name_column = builder.get_object("package_name_column")
    package_name_column.set_resizable(True)
    file_name_column = builder.get_object("file_name_column")
    file_name_column.set_resizable(True)

    self.recipe_view.get_selection().connect("changed", self.on_recipe_changed)
    self.package_view.get_selection().connect("changed", self.on_package_changed)

    self.package_store.set_sort_column_id(PackageColumns.Package, Gtk.SortType.ASCENDING)
    builder.get_object("package_size_column").set_cell_data_func(builder.get_object("package_size_cell"), lambda column, cell, model, iter, data: cell.set_property("text", human_size(model[iter][PackageColumns.Size])))

    self.label = builder.get_object("label1")
    self.depends_label = builder.get_object("depends_label")
    self.recommends_label = builder.get_object("recommends_label")
    self.suggests_label = builder.get_object("suggests_label")
    self.provides_label = builder.get_object("provides_label")

    self.depends_label.connect("activate-link", self.on_link_activate)
    self.recommends_label.connect("activate-link", self.on_link_activate)
    self.suggests_label.connect("activate-link", self.on_link_activate)

    self.file_store = builder.get_object("file_store")
    self.file_store.set_sort_column_id(FileColumns.Filename, Gtk.SortType.ASCENDING)
    builder.get_object("file_size_column").set_cell_data_func(builder.get_object("file_size_cell"), lambda column, cell, model, iter, data: cell.set_property("text", human_size(model[iter][FileColumns.Size])))

    self.files_view = builder.get_object("files_scrollview")
    self.files_label = builder.get_object("files_label")

    self.load_recipes()

    self.recipe_view.set_cursor(Gtk.TreePath.new_first())

    self.window.show()

def on_link_activate(self, label, url_string):
    from urllib.parse import urlparse
    url = urlparse(url_string)
    if url.scheme == "package":
        package = url.path
        recipe = recipe_from_package(self.pkgdata, package)

        it = self.recipe_iters[recipe]
        path = self.recipe_store.get_path(it)
        self.recipe_view.set_cursor(path)
        self.recipe_view.scroll_to_cell(path)

        self.on_recipe_changed(self.recipe_view.get_selection())

        it = self.package_iters[package]
        path = self.package_store.get_path(it)
        self.package_view.set_cursor(path)
        self.package_view.scroll_to_cell(path)

        return True
    else:
        return False

def on_recipe_changed(self, selection):
    self.package_store.clear()
    self.package_iters = {}

    (model, it) = selection.get_selected()
    if not it:
        return

    recipe = model[it][RecipeColumns.Recipe]
    packages = packages_in_recipe(self.pkgdata, recipe)
    for package in packages:
        # TODO also show PKG after debian-renaming?
        data = load_runtime_package(self.pkgdata, package)
        # TODO stash data to avoid reading in on_package_changed
        self.package_iters[package] = self.package_store.append([package, int(data["PKGSIZE"])])

    package = recipe if recipe in packages else sorted(packages)[0]
    path = self.package_store.get_path(self.package_iters[package])
    self.package_view.set_cursor(path)
    self.package_view.scroll_to_cell(path)

def on_package_changed(self, selection):
    self.label.set_text("")
    self.file_store.clear()
    self.depends_label.hide()
    self.recommends_label.hide()
    self.suggests_label.hide()
    self.provides_label.hide()
    self.files_view.hide()
    self.files_label.hide()

    (model, it) = selection.get_selected()
    if it is None:
        return

    package = model[it][PackageColumns.Package]
    data = load_runtime_package(self.pkgdata, package)

    self.label.set_text(summary(data))

    files = ast.literal_eval(data["FILES_INFO"])
    if files:
        self.files_label.set_text("{0} files take {1}.".format(len(files), human_size(int(data["PKGSIZE"]))))
        self.files_view.show()
        for filename, size in files.items():
            self.file_store.append([filename, size])
    else:
        self.files_view.hide()
        self.files_label.set_text("This package has no files.")
    self.files_label.show()

    def update_deps(field, prefix, label, clickable=True):
        if field in data:
            l = []
            for name, version in bb.utils.explode_dep_versions2(data[field]).items():
                if clickable:
                    l.append("<a href='package:{0}'>{0}</a> {1}".format(name, " ".join(version)).strip())
                else:
                    l.append("{0} {1}".format(name, " ".join(version)).strip())
            label.set_markup(prefix + ", ".join(l))
            label.show()
        else:
            label.hide()
    update_deps("RDEPENDS", "Depends: ", self.depends_label)
    update_deps("RRECOMMENDS", "Recommends: ", self.recommends_label)
    update_deps("RSUGGESTS", "Suggests: ", self.suggests_label)
    update_deps("RPROVIDES", "Provides: ", self.provides_label, clickable=False)

def load_recipes(self):
    if not os.path.exists(pkgdata):
        sys.exit("Error: Please ensure %s exists by generating packages before using this tool." % pkgdata)
    for recipe in sorted(os.listdir(pkgdata)):
        if os.path.isfile(os.path.join(pkgdata, recipe)):
            self.recipe_iters[recipe] = self.recipe_store.append([recipe])

if name == "main": import argparse

parser = argparse.ArgumentParser(description='pkgdata browser')
parser.add_argument('-p', '--pkgdata', help="Optional location of pkgdata")

args = parser.parse_args()
pkgdata = args.pkgdata if args.pkgdata else find_pkgdata()
# TODO assert pkgdata is a directory
window = PkgUi(pkgdata)
Gtk.main()