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#!/usr/bin/python
# This script generates a report on the packaging status of X.org
# releases in Buildroot. It does so by downloading the list of
# tarballs that are part of a given X.org release, and compare that
# with the packages that are available in Buildroot.
import BeautifulSoup
import re
import os
import urllib
from distutils.version import LooseVersion
# This can be customized
XORG_VERSION = "X11R7.7"
# Key names in dictionaries
XORG_VERSION_KEY = "xorg-version"
BR_VERSION_KEY = "br-version"
BR_NAME_KEY = "br-name"
# Packages part of X.org releases that we do not want to package in
# Buildroot (old drivers for hardware unlikely to be used in embedded
# contexts).
XORG_EXCEPTIONS = [
'xf86-video-suncg6',
'xf86-video-sunffb',
]
# Get the list of tarballs of a X.org release, parse it, and return a
# dictionary of dictionaries, of the form:
#
# { <name_of_package> : { XORG_VERSION_KEY: <version_of_package> },
# <name_of_package2> : { XORG_VERSION_KEY: <version_of_package2> }}
#
def get_xorg_release_pkgs():
u = urllib.URLopener().open("http://www.x.org/releases/%s/src/everything/" % XORG_VERSION)
b = BeautifulSoup.BeautifulSoup()
b.feed(u.read())
links = b.findAll("a")
packages = {}
r = re.compile("(.*)-([0-9\.]*).tar.bz2")
# We now have a list of all links.
for link in links:
href = link.get("href")
# Skip everything but tarballs
if not href.endswith(".tar.bz2"):
continue
# Separate the name and the version
groups = r.match(href)
if not groups:
continue
name = groups.group(1)
version = groups.group(2)
# Skip packages we don't want to hear about
if name in XORG_EXCEPTIONS:
continue
packages[name] = { XORG_VERSION_KEY : version }
return packages
# Files and directories in package/x11r7/ that should be ignored in
# our processing.
BUILDROOT_EXCEPTIONS = [
"mcookie", # Code is directly in package directory
"x11r7.mk",
"Config.in",
"xdriver_xf86-input-tslib", # From Pengutronix, not part of X.org releases
]
# Prefixes of directories in package/x11r7/ that must be stripped
# before trying to match Buildroot package names with X.org tarball
# names.
BUILDROOT_PREFIXES = [
"xapp",
"xdriver",
"xfont",
"xlib",
"xserver",
"xutil",
"xproto",
]
# From a Buildroot package name, try to see if a prefix should be
# stripped from it. For example, passing "xapp_xlsfonts" as argument
# to this function will return "xlsfonts".
def buildroot_strip_prefix(dirname):
for prefix in BUILDROOT_PREFIXES:
if dirname.startswith(prefix + "_"):
return dirname[len(prefix) + 1:]
return dirname
# From a Buildroot package name, parse its .mk file to find the
# Buildroot version of the package by looking at the <foo>_VERSION
# line.
def buildroot_get_version(dirname):
f = open(os.path.join("package", "x11r7", dirname, dirname + ".mk"))
r = re.compile("^([A-Z0-9_]*)_VERSION = ([0-9\.]*)$")
for l in f.readlines():
m = r.match(l)
if m:
return m.group(2)
return None
# Augment the information of the X.org list of packages (given as
# argument) by details about their packaging in Buildroot. Those
# details are found by looking at the contents of package/x11r7/.
def get_buildroot_pkgs(packages):
dirs = os.listdir(os.path.join(os.getcwd(), "package", "x11r7"))
for d in dirs:
# Skip exceptions
if d in BUILDROOT_EXCEPTIONS:
continue
pkgname = buildroot_strip_prefix(d)
version = buildroot_get_version(d)
if packages.has_key(pkgname):
# There is a X.org package of the same name, so we just
# add information to the existing dict entry.
packages[pkgname]['br-version'] = version
packages[pkgname]['br-name'] = d
else:
# There is no X.org package with this name, so we add a
# new dict entry.
packages[pkgname] = { BR_VERSION_KEY: version,
BR_NAME_KEY : d }
return packages
def show_summary(packages):
FORMAT_STRING = "%40s | %15s | %15s | %-30s"
print FORMAT_STRING % ("Package name", "Vers in BR", "Vers in X.org", "Action")
print FORMAT_STRING % ("-" * 40, "-" * 15, "-" * 15, "-" * 30)
pkgs = packages.keys()
pkgs.sort()
total_pkgs = 0
upgrade_pkgs = 0
add_pkgs = 0
remove_pkgs = 0
nothing_todo_pkgs = 0
for pkgname in pkgs:
pkg = packages[pkgname]
total_pkgs += 1
if pkg.has_key(XORG_VERSION_KEY) and not pkg.has_key(BR_VERSION_KEY):
xorg_version = pkg[XORG_VERSION_KEY]
br_version = "N/A"
action = "Add to Buildroot"
add_pkgs += 1
elif not pkg.has_key(XORG_VERSION_KEY) and pkg.has_key(BR_VERSION_KEY):
br_version = pkg[BR_VERSION_KEY]
xorg_version = "N/A"
action = "Remove from Buildroot"
remove_pkgs += 1
elif LooseVersion(pkg[XORG_VERSION_KEY]) > LooseVersion(pkg[BR_VERSION_KEY]):
br_version = pkg[BR_VERSION_KEY]
xorg_version = pkg[XORG_VERSION_KEY]
action = "Upgrade"
upgrade_pkgs += 1
elif LooseVersion(pkg[XORG_VERSION_KEY]) < LooseVersion(pkg[BR_VERSION_KEY]):
br_version = pkg[BR_VERSION_KEY]
xorg_version = pkg[XORG_VERSION_KEY]
action = "More recent"
nothing_todo_pkgs += 1
else:
br_version = pkg[BR_VERSION_KEY]
xorg_version = pkg[XORG_VERSION_KEY]
action = ""
nothing_todo_pkgs += 1
print FORMAT_STRING % (pkgname, br_version.center(15), xorg_version.center(15), action)
print FORMAT_STRING % ("-" * 40, "-" * 15, "-" * 15, "-" * 30)
STAT_FORMAT_STRING = "%40s : %3d"
print STAT_FORMAT_STRING % ("Total number of packages", total_pkgs)
print STAT_FORMAT_STRING % ("Packages to upgrade", upgrade_pkgs)
print STAT_FORMAT_STRING % ("Packages to add", add_pkgs)
print STAT_FORMAT_STRING % ("Packages to remove", remove_pkgs)
print STAT_FORMAT_STRING % ("Packages with nothing to do", nothing_todo_pkgs)
packages = get_xorg_release_pkgs()
packages = get_buildroot_pkgs(packages)
# print packages
show_summary(packages)
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