Merge COMAR 2.0 changes

This commit is contained in:
Bahadır Kandemir
2008-03-27 07:36:04 +00:00
parent 06762977d2
commit 43fc5db3a3
5 changed files with 119 additions and 369 deletions
-289
View File
@@ -1,289 +0,0 @@
Index: pisi/comariface.py
===================================================================
--- pisi/comariface.py (revision 17303)
+++ pisi/comariface.py (working copy)
@@ -13,6 +13,7 @@
import os
import time
import select
+import string
import gettext
__trans = gettext.translation('pisi', fallback=True)
@@ -25,117 +26,147 @@
pass
try:
- import comar
+ import dbus
except ImportError:
- raise Error(_("comar package is not fully installed"))
+ raise Error(_("dbus-python package is not fully installed"))
-def get_comar():
- """Connect to the comar daemon and return the handle"""
+def is_char_valid(char):
+ """Test if char is valid object path character."""
+ return char in string.ascii_letters + string.digits + "_"
+
+def make_object_path(package):
+ """Generates DBus object name from package name."""
+ object = package
+ for char in package:
+ if not is_char_valid(char):
+ object = object.replace(char, '_')
+ if object[0].isdigit():
+ object = '_%s' % object
+ return object
+
+def get_iface(package="", model=""):
+ """Connect to the DBus daemon and return the system interface."""
- sockname = "/var/run/comar.socket"
+ sockname = "unix:path=/var/run/dbus/system_bus_socket"
# YALI starts comar chrooted in the install target, but uses PiSi outside of
# the chroot environment, so PiSi needs to use a different socket path to be
- # able to connect true comar (usually /mnt/target/var/run/comar.socket).
- if ctx.comar_sockname:
- sockname = ctx.comar_sockname
+ # able to connect true dbus (and comar).
+ # (usually unix:path=/var/run/dbus/system_bus_socket)
+ if ctx.dbus_sockname:
+ sockname = ctx.dbus_sockname
+ if package:
+ obj_path = "/package/%s" % package
+ else:
+ obj_path = "/"
+ if model:
+ obj_interface = "tr.org.pardus.comar.%s" % model
+ else:
+ obj_interface = "tr.org.pardus.comar"
+
# This function is sometimes called when comar has recently started
# or restarting after an update. So we give comar a chance to become
# active in a reasonable time.
timeout = 7
while timeout > 0:
try:
- com = comar.Link(sockname)
- return com
- except comar.CannotConnect:
+ bus = dbus.bus.BusConnection(address_or_type=sockname)
+ obj = bus.get_object(ctx.comar_destination, obj_path, introspect=False)
+ iface = dbus.Interface(obj, dbus_interface=obj_interface)
+ return iface
+ except dbus.DBusException:
pass
time.sleep(0.2)
timeout -= 0.2
- raise Error(_("cannot connect to comar"))
+ raise Error(_("cannot connect to dbus"))
-def wait_for_result(com, package_name=None):
- multiple = False
- while True:
- try:
- reply = com.read_cmd()
- except select.error:
- if ctx.keyboard_interrupt_pending():
- return
- raise
- except comar.LinkClosed:
- # Comar postInstall does a "service comar restart" which cuts
- # our precious communication link, so we waitsss
- if package_name == "comar":
- try:
- get_comar()
- except Error:
- raise Error, _("Could not restart comar")
- return
- else:
- if ctx.keyboard_interrupt_pending():
- return
- raise Error, _("connection with comar unexpectedly closed")
-
- cmd = reply[0]
- if cmd == com.RESULT and not multiple:
- return
- elif cmd == com.NONE and not multiple:
- # no post/pre function, that is ok
- return
- elif cmd == com.RESULT_START:
- multiple = True
- elif cmd == com.RESULT_END:
- return
- elif cmd == com.FAIL:
- raise Error, _("Configuration error: %s") % reply[2]
- elif cmd == com.ERROR:
- raise Error, _("Script error: %s") % reply[2]
- elif cmd == com.DENIED:
- raise Error, _("comar denied our access")
-
def post_install(package_name, provided_scripts, scriptpath, metapath, filepath, fromVersion, fromRelease, toVersion, toRelease):
"""Do package's post install operations"""
ctx.ui.info(_("Configuring %s package") % package_name)
self_post = False
- com = get_comar()
+ sys_service = False
+ sys_iface = get_iface()
+ object_name = make_object_path(package_name)
for script in provided_scripts:
ctx.ui.debug(_("Registering %s comar script") % script.om)
if script.om == "System.Package":
self_post = True
- com.register(script.om, package_name, os.path.join(scriptpath, script.script))
- wait_for_result(com)
+ elif script.om == "System.Service":
+ sys_service = False
+ try:
+ sys_iface.register(object_name, script.om, os.path.join(scriptpath, script.script))
+ except dbus.DBusException, exception:
+ raise Error, _("Script error: %s") % exception
+ if sys_service:
+ try:
+ iface = get_iface(object_name, "System.Service")
+ iface.registerState()
+ except dbus.DBusException, exception:
+ raise Error, _("Script error: %s") % exception
ctx.ui.debug(_("Calling post install handlers"))
- com.call("System.PackageHandler.setupPackage", [ "metapath", metapath, "filepath", filepath ])
- wait_for_result(com)
+ for handler in sys_iface.listModelApplications("System.PackageHandler"):
+ iface = get_iface(handler, "System.PackageHandler")
+ try:
+ iface.setupPackage(metapath, filepath, timeout=300)
+ except dbus.DBusException, exception:
+ # Do nothing if setupPackage method is not defined in package script
+ if not (exception._dbus_error_name.startswith("tr.org.pardus.comar") and
+ exception._dbus_error_name.split('tr.org.pardus.comar.')[1] == 'python.missing'):
+ raise Error, _("Script error: %s") % exception
if self_post:
- args = {
- "fromVersion": fromVersion,
- "fromRelease": fromRelease,
- "toVersion": toVersion,
- "toRelease": toRelease,
- }
+ if not fromVersion:
+ fromVersion = ""
+ if not fromRelease:
+ fromRelease = ""
+
ctx.ui.debug(_("Running package's post install script"))
- com.call_package("System.Package.postInstall", package_name, args)
- wait_for_result(com, package_name)
+ try:
+ iface = get_iface(object_name, "System.Package")
+ iface.postInstall(fromVersion, fromRelease, toVersion, toRelease, timeout=300)
+ except dbus.DBusException, exception:
+ # Do nothing if postInstall method is not defined in package script
+ if not (exception._dbus_error_name.startswith("tr.org.pardus.comar") and
+ exception._dbus_error_name.split('tr.org.pardus.comar.')[1] == 'python.missing'):
+ raise Error, _("Script error: %s") % exception
+
+ if package_name == 'comar':
+ pisi.api.set_comar_destination('tr.org.pardus.comar.new')
def pre_remove(package_name, metapath, filepath):
"""Do package's pre removal operations"""
ctx.ui.info(_("Configuring %s package for removal") % package_name)
- com = get_comar()
+ sys_iface = get_iface()
+ object_name = make_object_path(package_name)
- ctx.ui.debug(_("Running package's pre remove script"))
- com.call_package("System.Package.preRemove", package_name)
- wait_for_result(com)
+ if "System.Package" in sys_iface.listApplicationModels(object_name):
+ ctx.ui.debug(_("Running package's pre remove script"))
+ iface = get_iface(object_name, "System.Package")
+ try:
+ iface.preRemove(timeout=300)
+ except dbus.DBusException, exception:
+ # Do nothing if preRemove method is not defined in package script
+ if not (exception._dbus_error_name.startswith("tr.org.pardus.comar") and
+ exception._dbus_error_name.split('tr.org.pardus.comar.')[1] == 'python.missing'):
+ raise Error, _("Script error: %s") % exception
ctx.ui.debug(_("Calling pre remove handlers"))
- com.call("System.PackageHandler.cleanupPackage", [ "metapath", metapath, "filepath", filepath ])
- wait_for_result(com)
+ for handler in sys_iface.listModelApplications("System.PackageHandler"):
+ iface = get_iface(handler, "System.PackageHandler")
+ try:
+ iface.cleanupPackage(metapath, filepath, timeout=300)
+ except dbus.DBusException, exception:
+ # Do nothing if cleanupPackage method is not defined in package script
+ if not (exception._dbus_error_name.startswith("tr.org.pardus.comar") and
+ exception._dbus_error_name.split('tr.org.pardus.comar.')[1] == 'python.missing'):
+ raise Error, _("Script error: %s") % exception
ctx.ui.debug(_("Unregistering comar scripts"))
- com.remove(package_name)
- wait_for_result(com)
+ try:
+ sys_iface.remove(object_name)
+ except dbus.DBusException, exception:
+ raise Error, _("Script error: %s") % exception
Index: pisi/api.py
===================================================================
--- pisi/api.py (revision 17303)
+++ pisi/api.py (working copy)
@@ -72,13 +72,20 @@
"""
ctx.comar = enable
-def set_comar_sockname(sockname):
+def set_comar_destination(destination):
"""
- Set comar socket file
+ Set comar bus destination
+ @param destination: Path to bus destination of COMAR
+ """
+ ctx.comar_destination = destination
+
+def set_dbus_sockname(sockname):
+ """
+ Set dbus socket file
Used by YALI
- @param sockname: Path to comar socket file
+ @param sockname: Path to dbus socket file
"""
- ctx.comar_sockname = sockname
+ ctx.dbus_sockname = sockname
def set_options(options):
"""
Index: pisi/atomicoperations.py
===================================================================
--- pisi/atomicoperations.py (revision 17303)
+++ pisi/atomicoperations.py (working copy)
@@ -152,7 +152,7 @@
# check comar
if self.metadata.package.providesComar and ctx.comar:
import pisi.comariface as comariface
- comariface.get_comar()
+ comariface.get_iface()
def check_relations(self):
# check dependencies
Index: pisi/context.py
===================================================================
--- pisi/context.py (revision 17303)
+++ pisi/context.py (working copy)
@@ -38,7 +38,8 @@
stderr = None
comar = True
-comar_sockname = None
+comar_destination = "tr.org.pardus.comar"
+dbus_sockname = None
# Bug #2879
# FIXME: Maybe we can create a simple rollback mechanism. There are other
+11 -4
View File
@@ -73,13 +73,20 @@ def set_comar(enable):
""" """
ctx.comar = enable ctx.comar = enable
def set_comar_sockname(sockname): def set_comar_destination(destination):
""" """
Set comar socket file Set comar bus destination
@param destination: Path to bus destination of COMAR
"""
ctx.comar_destination = destination
def set_dbus_sockname(sockname):
"""
Set dbus socket file
Used by YALI Used by YALI
@param sockname: Path to comar socket file @param sockname: Path to dbus socket file
""" """
ctx.comar_sockname = sockname ctx.dbus_sockname = sockname
def set_options(options): def set_options(options):
""" """
+1 -1
View File
@@ -152,7 +152,7 @@ class Install(AtomicOperation):
# check comar # check comar
if self.metadata.package.providesComar and ctx.comar: if self.metadata.package.providesComar and ctx.comar:
import pisi.comariface as comariface import pisi.comariface as comariface
comariface.get_comar() comariface.get_iface()
def check_relations(self): def check_relations(self):
# check dependencies # check dependencies
+104 -73
View File
@@ -13,6 +13,7 @@
import os import os
import time import time
import select import select
import string
import gettext import gettext
__trans = gettext.translation('pisi', fallback=True) __trans = gettext.translation('pisi', fallback=True)
@@ -25,19 +26,43 @@ class Error(pisi.Error):
pass pass
try: try:
import comar import dbus
except ImportError: except ImportError:
raise Error(_("comar package is not fully installed")) raise Error(_("dbus-python package is not fully installed"))
def get_comar(): def is_char_valid(char):
"""Connect to the comar daemon and return the handle""" """Test if char is valid object path character."""
return char in string.ascii_letters + string.digits + "_"
sockname = "/var/run/comar.socket" def make_object_path(package):
"""Generates DBus object name from package name."""
object = package
for char in package:
if not is_char_valid(char):
object = object.replace(char, '_')
if object[0].isdigit():
object = '_%s' % object
return object
def get_iface(package="", model=""):
"""Connect to the DBus daemon and return the system interface."""
sockname = "/var/run/dbus/system_bus_socket"
# YALI starts comar chrooted in the install target, but uses PiSi outside of # YALI starts comar chrooted in the install target, but uses PiSi outside of
# the chroot environment, so PiSi needs to use a different socket path to be # the chroot environment, so PiSi needs to use a different socket path to be
# able to connect true comar (usually /mnt/target/var/run/comar.socket). # able to connect true dbus (and comar).
if ctx.comar_sockname: # (usually /var/run/dbus/system_bus_socket)
sockname = ctx.comar_sockname if ctx.dbus_sockname:
sockname = ctx.dbus_sockname
if package:
obj_path = "/package/%s" % package
else:
obj_path = "/"
if model:
obj_interface = "tr.org.pardus.comar.%s" % model
else:
obj_interface = "tr.org.pardus.comar"
# This function is sometimes called when comar has recently started # This function is sometimes called when comar has recently started
# or restarting after an update. So we give comar a chance to become # or restarting after an update. So we give comar a chance to become
@@ -45,97 +70,103 @@ def get_comar():
timeout = 7 timeout = 7
while timeout > 0: while timeout > 0:
try: try:
com = comar.Link(sockname) bus = dbus.bus.BusConnection(address_or_type="unix:path=%s" % sockname)
return com obj = bus.get_object(ctx.comar_destination, obj_path, introspect=False)
except comar.CannotConnect: iface = dbus.Interface(obj, dbus_interface=obj_interface)
return iface
except dbus.DBusException:
pass pass
time.sleep(0.2) time.sleep(0.2)
timeout -= 0.2 timeout -= 0.2
raise Error(_("cannot connect to comar")) raise Error(_("cannot connect to dbus"))
def wait_for_result(com, package_name=None):
multiple = False
while True:
try:
reply = com.read_cmd()
except select.error:
if ctx.keyboard_interrupt_pending():
return
raise
except comar.LinkClosed:
# Comar postInstall does a "service comar restart" which cuts
# our precious communication link, so we waitsss
if package_name == "comar":
try:
get_comar()
except Error:
raise Error, _("Could not restart comar")
return
else:
if ctx.keyboard_interrupt_pending():
return
raise Error, _("connection with comar unexpectedly closed")
cmd = reply[0]
if cmd == com.RESULT and not multiple:
return
elif cmd == com.NONE and not multiple:
# no post/pre function, that is ok
return
elif cmd == com.RESULT_START:
multiple = True
elif cmd == com.RESULT_END:
return
elif cmd == com.FAIL:
raise Error, _("Configuration error: %s") % reply[2]
elif cmd == com.ERROR:
raise Error, _("Script error: %s") % reply[2]
elif cmd == com.DENIED:
raise Error, _("comar denied our access")
def post_install(package_name, provided_scripts, scriptpath, metapath, filepath, fromVersion, fromRelease, toVersion, toRelease): def post_install(package_name, provided_scripts, scriptpath, metapath, filepath, fromVersion, fromRelease, toVersion, toRelease):
"""Do package's post install operations""" """Do package's post install operations"""
ctx.ui.info(_("Configuring %s package") % package_name) ctx.ui.info(_("Configuring %s package") % package_name)
self_post = False self_post = False
com = get_comar() sys_service = False
sys_iface = get_iface()
object_name = make_object_path(package_name)
for script in provided_scripts: for script in provided_scripts:
ctx.ui.debug(_("Registering %s comar script") % script.om) ctx.ui.debug(_("Registering %s comar script") % script.om)
if script.om == "System.Package": if script.om == "System.Package":
self_post = True self_post = True
com.register(script.om, package_name, os.path.join(scriptpath, script.script)) elif script.om == "System.Service":
wait_for_result(com) sys_service = False
try:
sys_iface.register(object_name, script.om, os.path.join(scriptpath, script.script))
except dbus.DBusException, exception:
raise Error, _("Script error: %s") % exception
if sys_service:
try:
iface = get_iface(object_name, "System.Service")
iface.registerState()
except dbus.DBusException, exception:
raise Error, _("Script error: %s") % exception
ctx.ui.debug(_("Calling post install handlers")) ctx.ui.debug(_("Calling post install handlers"))
com.call("System.PackageHandler.setupPackage", [ "metapath", metapath, "filepath", filepath ]) for handler in sys_iface.listModelApplications("System.PackageHandler"):
wait_for_result(com) iface = get_iface(handler, "System.PackageHandler")
try:
iface.setupPackage(metapath, filepath, timeout=300)
except dbus.DBusException, exception:
# Do nothing if setupPackage method is not defined in package script
if not (exception._dbus_error_name.startswith("tr.org.pardus.comar") and
exception._dbus_error_name.split('tr.org.pardus.comar.')[1] == 'python.missing'):
raise Error, _("Script error: %s") % exception
if self_post: if self_post:
args = { if not fromVersion:
"fromVersion": fromVersion, fromVersion = ""
"fromRelease": fromRelease, if not fromRelease:
"toVersion": toVersion, fromRelease = ""
"toRelease": toRelease,
}
ctx.ui.debug(_("Running package's post install script")) ctx.ui.debug(_("Running package's post install script"))
com.call_package("System.Package.postInstall", package_name, args) try:
wait_for_result(com, package_name) iface = get_iface(object_name, "System.Package")
iface.postInstall(fromVersion, fromRelease, toVersion, toRelease, timeout=300)
except dbus.DBusException, exception:
# Do nothing if postInstall method is not defined in package script
if not (exception._dbus_error_name.startswith("tr.org.pardus.comar") and
exception._dbus_error_name.split('tr.org.pardus.comar.')[1] == 'python.missing'):
raise Error, _("Script error: %s") % exception
if package_name == 'comar':
pisi.api.set_comar_destination('tr.org.pardus.comar.new')
def pre_remove(package_name, metapath, filepath): def pre_remove(package_name, metapath, filepath):
"""Do package's pre removal operations""" """Do package's pre removal operations"""
ctx.ui.info(_("Configuring %s package for removal") % package_name) ctx.ui.info(_("Configuring %s package for removal") % package_name)
com = get_comar() sys_iface = get_iface()
object_name = make_object_path(package_name)
ctx.ui.debug(_("Running package's pre remove script")) if "System.Package" in sys_iface.listApplicationModels(object_name):
com.call_package("System.Package.preRemove", package_name) ctx.ui.debug(_("Running package's pre remove script"))
wait_for_result(com) iface = get_iface(object_name, "System.Package")
try:
iface.preRemove(timeout=300)
except dbus.DBusException, exception:
# Do nothing if preRemove method is not defined in package script
if not (exception._dbus_error_name.startswith("tr.org.pardus.comar") and
exception._dbus_error_name.split('tr.org.pardus.comar.')[1] == 'python.missing'):
raise Error, _("Script error: %s") % exception
ctx.ui.debug(_("Calling pre remove handlers")) ctx.ui.debug(_("Calling pre remove handlers"))
com.call("System.PackageHandler.cleanupPackage", [ "metapath", metapath, "filepath", filepath ]) for handler in sys_iface.listModelApplications("System.PackageHandler"):
wait_for_result(com) iface = get_iface(handler, "System.PackageHandler")
try:
iface.cleanupPackage(metapath, filepath, timeout=300)
except dbus.DBusException, exception:
# Do nothing if cleanupPackage method is not defined in package script
if not (exception._dbus_error_name.startswith("tr.org.pardus.comar") and
exception._dbus_error_name.split('tr.org.pardus.comar.')[1] == 'python.missing'):
raise Error, _("Script error: %s") % exception
ctx.ui.debug(_("Unregistering comar scripts")) ctx.ui.debug(_("Unregistering comar scripts"))
com.remove(package_name) try:
wait_for_result(com) sys_iface.remove(object_name)
except dbus.DBusException, exception:
raise Error, _("Script error: %s") % exception
+2 -1
View File
@@ -38,7 +38,8 @@ stdout = None
stderr = None stderr = None
comar = True comar = True
comar_sockname = None comar_destination = "tr.org.pardus.comar"
dbus_sockname = None
# Bug #2879 # Bug #2879
# FIXME: Maybe we can create a simple rollback mechanism. There are other # FIXME: Maybe we can create a simple rollback mechanism. There are other