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import json
import os
import subprocess
import sys
from devbot import config
from devbot import distro
from devbot import command
from devbot import state
from devbot import utils
from devbot import xvfb
libdirs = ["lib",
"lib64",
"lib/x86_64-linux-gnu",
"lib/i386-linux-gnu"]
def check_binary(check):
return subprocess.call(["which", check],
stdout=utils.devnull,
stderr=subprocess.STDOUT)
def check_pkgconfig(check):
return subprocess.call(["pkg-config", "--exists", check]) == 1
def check_python(check):
return subprocess.call(["python", "-c", check],
stdout=utils.devnull,
stderr=subprocess.STDOUT) == 1
def check_gtkmodule(check):
# Not sure we can do better than this, the gtkmodule stuff is private
missing = True
for libdir in libdirs:
if os.path.exists("/usr/%s/gtk-2.0/modules/lib%s.so" % (libdir, check)):
missing = False
return missing
def check_include(check):
return not os.path.exists(os.path.join("/usr/include/", check))
def check_dbus(check):
return not os.path.exists("/usr/share/dbus-1/services/%s.service" % check)
def check_metacity_theme(check):
return not os.path.exists("/usr/share/themes/%s/metacity-1/metacity-theme-3.xml" % check)
def check_gstreamer(check, version):
missing = True
for libdir in libdirs:
if os.path.exists("/usr/%s/gstreamer-%s/libgst%s.so" % \
(libdir, version, check)):
missing = False
return missing
def check_gstreamer_0_10(check):
return check_gstreamer(check, "0.10")
def check_gstreamer_1_0(check):
return check_gstreamer(check, "1.0")
checkers = { "binary": check_binary,
"python": check_python,
"pkgconfig": check_pkgconfig,
"gtkmodule": check_gtkmodule,
"dbus": check_dbus,
"gstreamer-0.10": check_gstreamer_0_10,
"gstreamer-1.0": check_gstreamer_1_0,
"metacity-theme": check_metacity_theme,
"include": check_include }
def _print_checks(checks):
for check in checks:
print "[%s] %s" % (check["checker"], check["check"])
def _eval_check_if(check):
if "check_if" not in check:
return True
distro_info = distro.get_distro_info()
globals = { "distro": "%s-%s" % (distro_info.name, distro_info.version) }
print eval(check["check_if"], globals)
return eval(check["check_if"], globals) == "True"
def run_checks(package_manager, checks, packages):
distro_info = distro.get_distro_info()
failed_checks = []
packages_not_found = []
to_install = []
for check in checks:
if not _eval_check_if(check):
print "uuuuu"
continue
checker = checkers[check["checker"]]
if checker(check["check"]):
if distro_info.name in packages[check["name"]]:
for package in packages[check["name"]][distro_info.name]:
# Might be none, if so skip on this distro_name
if package and package not in to_install:
to_install.append(package)
else:
packages_not_found.append(check)
failed_checks.append(check)
if distro_info.supported:
if packages_not_found:
print "\nPackages not found for"
_print_checks(packages_not_found)
return False
if to_install:
package_manager.install_packages(to_install)
elif failed_checks:
print "Failed checks\n"
_print_checks(failed_checks)
if to_install:
print "\nYou might try to install the following packages\n"
print " ".join(to_install)
return False
return True
def remove_packages(package_manager, packages):
distro_name = distro.get_distro_info().name
to_keep = []
for package_info in packages.values():
if distro_name in package_info:
for package in package_info[distro_name]:
if package not in to_keep:
to_keep.append(package)
try:
to_keep = package_manager.find_with_deps(to_keep)
except NotImplementedError:
return
all = package_manager.find_all()
to_remove = []
for package in all:
if package not in to_keep:
to_remove.append(package)
if to_remove:
package_manager.remove_packages(to_remove)
def check(remove=False, update=False, test=False, interactive=True,
skip_if_unchanged=False):
if skip_if_unchanged:
if config.get_commit_id() == state.get_last_system_check():
return
package_manager = \
distro.get_package_manager(test=test, interactive=interactive)
distro_name = distro.get_distro_info().name
packages = config.load_packages()
checks = config.load_prerequisites()
if not run_checks(package_manager, checks, packages):
sys.exit(1)
xvfb_proc, orig_display = xvfb.start()
if not run_checks(package_manager, config.load_checks(), packages):
sys.exit(1)
xvfb.stop(xvfb_proc, orig_display)
print "All the required dependencies are installed."
if update:
package_manager.update()
if remove:
remove_packages(package_manager, packages)
state.touch_last_system_check()
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