Attachment #5945 for bug #34989

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#!/usr/bin/python2.6
# -*- coding: utf-8 -*-
#
# Univention App Center
#  univention-register-apps
#
# Copyright 2014 Univention GmbH
#
# http://www.univention.de/
#
# All rights reserved.
#
# The source code of this program is made available
# under the terms of the GNU Affero General Public License version 3
# (GNU AGPL V3) as published by the Free Software Foundation.
#
# Binary versions of this program provided by Univention to you as
# well as other copyrighted, protected or trademarked materials like
# Logos, graphics, fonts, specific documentations and configurations,
# cryptographic keys etc. are subject to a license agreement between
# you and Univention and not subject to the GNU AGPL V3.
#
# In the case you use this program under the terms of the GNU AGPL V3,
# the program is provided in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public
# License with the Debian GNU/Linux or Univention distribution in file
# /usr/share/common-licenses/AGPL-3; if not, see
# <http://www.gnu.org/licenses/>.
#

import sys
from optparse import OptionParser

from univention.lib.package_manager import PackageManager
from univention.updater import UniventionUpdater
from univention.config_registry import ConfigRegistry
from univention.management.console.modules.appcenter.util import ComponentManager, install_opener, set_save_commit_load
from univention.management.console.modules.appcenter.app_center import Application

ucr = ConfigRegistry()
ucr.load()

if __name__ == '__main__':
	usage = '%prog'
	description = '%prog migrates the components of all installed apps to a new format. You most probably want to set UCR variable repository/app_center/new_format BEFORE calling this script'
	parser = OptionParser(usage=usage, description=description)
	parser.add_option("-n", "--to-new", action="store_true", dest="new_format", default=True,
			help="all components are migrated to the new format (much faster, but less features and less integration) in /etc/apt/sources.list.d/25_ucs-appcenter.list")
	parser.add_option("-o", "--to-old", action="store_false", dest="new_format", default=True,
			help="all components are migrated to the old format (slower, more features, more integration) in /etc/apt/sources.list.d/20_ucs-onlince.component.list")
	parser.add_option("-f", "--force", action="store_true", dest="force", default=False,
			help="if migrating, you better have set the UCR variable repository/app_center/new_format accordingly. Specifying --force disables a check that will exit the script if those do not match.")
	options, args = parser.parse_args()

	if ucr.is_true('repository/app_center/new_format', True) != options.new_format:
		if not options.force:
			sys.stderr.write('New format is set to %s. Which does not correspond to UCR variable repository/app_center/new_format. Existing now. You may specify --force to override this check.\n' % options.new_format)
			sys.exit(1)
	uu = UniventionUpdater(False)
	component_manager = ComponentManager(ucr, uu)
	package_manager = PackageManager(lock=False)

	install_opener(ucr)
	try:
		with set_save_commit_load(component_manager.ucr) as super_ucr:
			for app in Application.all_installed(package_manager, only_local=True):
				if app.get('withoutrepository'):
					continue
				sys.stdout.write('Migrating %r.\n' % app)
				if options.new_format:
					component_manager.remove_app_old_format(app, super_ucr)
					component_manager.put_app_new_format(app, super_ucr)
				else:
					component_manager.put_app_old_format(app, super_ucr)
					component_manager.remove_app_new_format(app, super_ucr)
	except Exception as exc:
		sys.stderr.write('univention-migrate-apps did not succeed. Check the internet connection and try again.\n')
		sys.exit(1)
	else:
		package_manager.update()
		sys.stdout.write('All applications have been migrated.\n')
		sys.exit(0)





@%@UCRWARNING=#@%@

@!@
from univention.config_registry import ConfigRegistry

from univention.management.console.modules.appcenter.app_center import Application

Application.all(only_local=True)

ucr = ConfigRegistry()
ucr.load()

app_ucr_key = 'repository/app_center/apps/'
for key in ucr.iterkeys():
        if key.startswith(app_ucr_key):
                component = key[len(app_ucr_key):]
                app = Application.find(component=component)
                print
                if app:
                        print '# %r' % app 
                        print app.debian_repository(arch=False)
                        print app.debian_repository(arch=True)
                else:
                        print '# %s not found' % component
@!@

Lines 3-5 Link Here

(-)debian/univention-management-console-module-appcenter.install (+1 lines)
3	ldap/*.acl usr/share/univention-management-console-module-appcenter	3	ldap/*.acl usr/share/univention-management-console-module-appcenter
4	scripts/univention-register-apps usr/sbin/	4	scripts/univention-register-apps usr/sbin/
5	scripts/univention-rename-app usr/sbin/	5	scripts/univention-rename-app usr/sbin/
		6	scripts/univention-migrate-apps usr/sbin/

Lines 1-4 Link Here

(-)debian/univention-management-console-module-apps.univention-config-registry (+6 lines)
1	Type: file	1	Type: file
		2	File: etc/apt/sources.list.d/25_ucs-appcenter.list
		3	Variables: repository/app_center/apps/.*
		4	Variables: repository/app_center/server
		5	Variables: version/version
		6
		7	Type: file
2	File: usr/share/univention-management-console/i18n/de/apps.mo	8	File: usr/share/univention-management-console/i18n/de/apps.mo
3		9
4	Type: file	10	Type: file




from univention.admin.handlers.computers import domaincontroller_master
from univention.admin.handlers.computers import domaincontroller_backup


# local application
from constants import COMPONENT_BASE, COMP_PARAMS, STATUS_ICONS, DEFAULT_ICON, PUT_SUCCESS, PUT_PROCESSING_ERROR

_ucr = univention.config_registry.ConfigRegistry()
_ucr.load()

def rename_app(old_id, new_id, component_manager, package_manager):
	from univention.management.console.modules.appcenter.app_center import Application
	app = Application.find(old_id)

def component_registered(component_id, ucr):
	''' Checks if a component is registered (enabled or disabled).
	Moved outside of ComponentManager to avoid dependencies for
	UniventionUpdater'''
	return '%s/%s' % (COMPONENT_BASE, component_id) in ucr

def component_current(component_id, ucr):

	def is_registered(self, component_id):
		return component_registered(component_id, self.ucr)

	def put_app_new_format(self, app, super_ucr=None):
		if super_ucr is None:
			with set_save_commit_load(self.ucr) as super_ucr:
				return self.put_app(app, super_ucr)
		ucr_var = app.repository_ucr_var()
		if ucr_var:
			super_ucr.set_registry_var(ucr_var, 'enabled')

	def remove_app_new_format(self, app, super_ucr=None):
		if super_ucr is None:
			with set_save_commit_load(self.ucr) as super_ucr:
				return self.remove_app(app, super_ucr)
		ucr_var = app.repository_ucr_var()
		if ucr_var:
			super_ucr.set_registry_var(ucr_var, '')

	def put_app_old_format(self, app, super_ucr=None):
		if super_ucr is None:
			with set_save_commit_load(self.ucr) as super_ucr:
				return self.put_app(app, super_ucr)
		app_data = {
			'server' : app.get_server(),
			'prefix' : '',

			app_data['version'] = 'current'
		self.put(app_data, super_ucr)

	def remove_app_old_format(self, app, super_ucr):
		if super_ucr is None:
			with set_save_commit_load(self.ucr) as super_ucr:
				return self.remove_app(app, super_ucr)
		self._remove(app.component_id, super_ucr)

	if _ucr.is_true('repository/app_center/new_format', True):
		put_app = put_app_new_format
		remove_app = remove_app_new_format
	else:
		put_app = put_app_old_format
		remove_app = remove_app_old_format

	def put(self, data, super_ucr):
		"""	Does the real work of writing one component definition back.
			Will be called for each element in the request array of

		self.put({'name' : component_id, 'version' : ''}, super_ucr)
		return super_ucr.changed()

	def enable_app(self, app, super_ucr=None):
		if super_ucr is None:
			with set_save_commit_load(self.ucr) as super_ucr:
				return self.enable_app(app, super_ucr)
		if self.ucr.is_true('repository/app_center/new_format', True):
			ucr_var = app.repository_ucr_var()
			if ucr_var:
				super_ucr.set_registry_var(ucr_var, 'enabled')
		else:
			self.currentify(app.component_id, super_ucr)
		return super_ucr.changed()

	def disable_app(self, app, super_ucr=None):
		if super_ucr is None:
			with set_save_commit_load(self.ucr) as super_ucr:
				return self.disable_app(app, super_ucr)
		if self.ucr.is_true('repository/app_center/new_format', True):
			ucr_var = app.repository_ucr_var()
			if ucr_var:
				super_ucr.set_registry_var(ucr_var, 'disabled')
		else:
			self.uncurrentify(app.component_id, super_ucr)
		return super_ucr.changed()

	def _remove(self, component_id, super_ucr):
		named_component_base = '%s/%s' % (COMPONENT_BASE, component_id)
		for var in COMP_PARAMS:

Lines 515-524 Link Here

(-)umc/python/appcenter/app_center.py (-11 / +37 lines)
515	)	515	)
516		516
517	@classmethod	517	@classmethod
518	def find(cls, application_id):	518	def find(cls, application_id=None, component=None):
519	for application in cls.all():	519	for application in cls.all():
520	if application.id == application_id:	520	if component is None:
521	return application	521	if application.id == application_id:
		522	return application
		523	else:
		524	for version in application.versions:
		525	if application.component_id == component:
		526	return version
522		527
523	@classmethod	528	@classmethod
524	def _get_category_translations(cls, fake=False):	529	def _get_category_translations(cls, fake=False):
Lines 654-660 Link Here
654	shutil.copymode(template_png, png_16)	659	shutil.copymode(template_png, png_16)
655		660
656	@classmethod	661	@classmethod
657	def all_installed(cls, package_manager, force_reread=False, only_local=False, localize=True):	662	def all_installed(cls, package_manager, force_reread=False, only_local=False, localize=None):
658	ret = []	663	ret = []
659	for app in cls.all(force_reread=force_reread, only_local=only_local, localize=localize):	664	for app in cls.all(force_reread=force_reread, only_local=only_local, localize=localize):
660	if app.allowed_on_local_server() and app.is_installed(package_manager, strict=False):	665	if app.allowed_on_local_server() and app.is_installed(package_manager, strict=False):
Lines 662-672 Link Here
662	return ret	667	return ret
663		668
664	@classmethod	669	@classmethod
665	def all(cls, force_reread=False, only_local=False, localize=True):	670	def all(cls, force_reread=False, only_local=False, localize=None):
666	# reload ucr variables	671	# reload ucr variables
667	ucr.load()	672	ucr.load()
668		673
669	# load the first time the category translations	674	# load the first time the category translations
		675	if localize is None:
		676	localize = not only_local
670	cls._get_category_translations(fake=not localize)	677	cls._get_category_translations(fake=not localize)
671		678
672	if force_reread:	679	if force_reread:
Lines 743-766 Link Here
743	def is_registered(self, ucr):	750	def is_registered(self, ucr):
744	if self.get('withoutrepository'):	751	if self.get('withoutrepository'):
745	return True	752	return True
746	return component_registered(self.component_id, ucr)	753	if ucr.is_true('repository/app_center/new_format', True):
		754	return self.repository_ucr_var() in ucr
		755	else:
		756	return component_registered(self.component_id, ucr)
747		757
748	def is_current(self, ucr):	758	def is_current(self, ucr):
749	if self.get('withoutrepository'):	759	if self.get('withoutrepository'):
750	return True	760	return True
751	return component_current(self.component_id, ucr)	761	if ucr.is_true('repository/app_center/new_format', True):
		762	return ucr.get(self.repository_ucr_var()) == 'enabled'
		763	else:
		764	return component_current(self.component_id, ucr)
752		765
753	def disable_component(self, component_manager):	766	def disable_component(self, component_manager):
754	if self.get('withoutrepository'):	767	if self.get('withoutrepository'):
755	return	768	return
756	with set_save_commit_load(component_manager.ucr) as super_ucr:	769	return component_manager.disable_app(self)
757	return component_manager.uncurrentify(self.component_id, super_ucr)
758		770
759	def enable_component(self, component_manager):	771	def enable_component(self, component_manager):
760	if self.get('withoutrepository'):	772	if self.get('withoutrepository'):
761	return	773	return
762	with set_save_commit_load(component_manager.ucr) as super_ucr:	774	return component_manager.enable_app(self)
763	return component_manager.currentify(self.component_id, super_ucr)
764		775
765	def allowed_on_local_server(self):	776	def allowed_on_local_server(self):
766	server_role = ucr.get('server/role')	777	server_role = ucr.get('server/role')
Lines 795-800 Link Here
795	res['fully_loaded'] = True	806	res['fully_loaded'] = True
796	return res	807	return res
797		808
		809	def repository_ucr_var(self):
		810	if self.get('withoutrepository'):
		811	return None
		812	return 'repository/app_center/apps/%s' % self.component_id
		813
		814	def debian_repository(self, arch):
		815	if arch is False:
		816	arch = 'all'
		817	if arch is True:
		818	arch = '$(ARCH)'
		819	server = self.get_server()
		820	version = self.get_ucs_version()
		821	repo_name = self.component_id
		822	return 'deb http://%s/univention-repository/%s/maintained/component/ %s/%s/' % (server, version, repo_name, arch)
		823
798	def __repr__(self):	824	def __repr__(self):
799	return '<Application id="%s" name="%s (%s)" component="%s">' % (self.id, self.name, self.version, self.component_id)	825	return '<Application id="%s" name="%s (%s)" component="%s">' % (self.id, self.name, self.version, self.component_id)
800		826

Return to bug 34989

Line 0 Link Here

(-)scripts/univention-migrate-apps (+87 lines)
		1	#!/usr/bin/python2.6
		2	# -- coding: utf-8 --
		3	#
		4	# Univention App Center
		5	# univention-register-apps
		6	#
		7	# Copyright 2014 Univention GmbH
		8	#
		9	# http://www.univention.de/
		10	#
		11	# All rights reserved.
		12	#
		13	# The source code of this program is made available
		14	# under the terms of the GNU Affero General Public License version 3
		15	# (GNU AGPL V3) as published by the Free Software Foundation.
		16	#
		17	# Binary versions of this program provided by Univention to you as
		18	# well as other copyrighted, protected or trademarked materials like
		19	# Logos, graphics, fonts, specific documentations and configurations,
		20	# cryptographic keys etc. are subject to a license agreement between
		21	# you and Univention and not subject to the GNU AGPL V3.
		22	#
		23	# In the case you use this program under the terms of the GNU AGPL V3,
		24	# the program is provided in the hope that it will be useful,
		25	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		26	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		27	# GNU Affero General Public License for more details.
		28	#
		29	# You should have received a copy of the GNU Affero General Public
		30	# License with the Debian GNU/Linux or Univention distribution in file
		31	# /usr/share/common-licenses/AGPL-3; if not, see
		32	# <http://www.gnu.org/licenses/>.
		33	#
		34
		35	import sys
		36	from optparse import OptionParser
		37
		38	from univention.lib.package_manager import PackageManager
		39	from univention.updater import UniventionUpdater
		40	from univention.config_registry import ConfigRegistry
		41	from univention.management.console.modules.appcenter.util import ComponentManager, install_opener, set_save_commit_load
		42	from univention.management.console.modules.appcenter.app_center import Application
		43
		44	ucr = ConfigRegistry()
		45	ucr.load()
		46
		47	if __name__ == '__main__':
		48	usage = '%prog'
		49	description = '%prog migrates the components of all installed apps to a new format. You most probably want to set UCR variable repository/app_center/new_format BEFORE calling this script'
		50	parser = OptionParser(usage=usage, description=description)
		51	parser.add_option("-n", "--to-new", action="store_true", dest="new_format", default=True,
		52	help="all components are migrated to the new format (much faster, but less features and less integration) in /etc/apt/sources.list.d/25_ucs-appcenter.list")
		53	parser.add_option("-o", "--to-old", action="store_false", dest="new_format", default=True,
		54	help="all components are migrated to the old format (slower, more features, more integration) in /etc/apt/sources.list.d/20_ucs-onlince.component.list")
		55	parser.add_option("-f", "--force", action="store_true", dest="force", default=False,
		56	help="if migrating, you better have set the UCR variable repository/app_center/new_format accordingly. Specifying --force disables a check that will exit the script if those do not match.")
		57	options, args = parser.parse_args()
		58
		59	if ucr.is_true('repository/app_center/new_format', True) != options.new_format:
		60	if not options.force:
		61	sys.stderr.write('New format is set to %s. Which does not correspond to UCR variable repository/app_center/new_format. Existing now. You may specify --force to override this check.\n' % options.new_format)
		62	sys.exit(1)
		63	uu = UniventionUpdater(False)
		64	component_manager = ComponentManager(ucr, uu)
65	package_manager = PackageManager(lock=False)
66
67	install_opener(ucr)
68	try:
69	with set_save_commit_load(component_manager.ucr) as super_ucr:
70	for app in Application.all_installed(package_manager, only_local=True):
71	if app.get('withoutrepository'):
72	continue
73	sys.stdout.write('Migrating %r.\n' % app)
74	if options.new_format:
75	component_manager.remove_app_old_format(app, super_ucr)
76	component_manager.put_app_new_format(app, super_ucr)
77	else:
78	component_manager.put_app_old_format(app, super_ucr)
79	component_manager.remove_app_new_format(app, super_ucr)
80	except Exception as exc:
81	sys.stderr.write('univention-migrate-apps did not succeed. Check the internet connection and try again.\n')
82	sys.exit(1)
83	else:
84	package_manager.update()
85	sys.stdout.write('All applications have been migrated.\n')
86	sys.exit(0)
87

Line 0 Link Here

(-)conffiles/etc/apt/sources.list.d/25_ucs-appcenter.list (+25 lines)
	1	@%@UCRWARNING=#@%@
	2
	3	@!@
	4	from univention.config_registry import ConfigRegistry
	5
	6	from univention.management.console.modules.appcenter.app_center import Application
	7
	8	Application.all(only_local=True)
	9
	10	ucr = ConfigRegistry()
	11	ucr.load()
	12
	13	app_ucr_key = 'repository/app_center/apps/'
	14	for key in ucr.iterkeys():
	15	if key.startswith(app_ucr_key):
	16	component = key[len(app_ucr_key):]
	17	app = Application.find(component=component)
	18	print
	19	if app:
	20	print '# %r' % app
	21	print app.debian_repository(arch=False)
	22	print app.debian_repository(arch=True)
	23	else:
	24	print '# %s not found' % component
	25	@!@

Lines 44-53 Link Here

(-)umc/python/appcenter/util.py (-4 / +53 lines)
44	from univention.admin.handlers.computers import domaincontroller_master	44	from univention.admin.handlers.computers import domaincontroller_master
45	from univention.admin.handlers.computers import domaincontroller_backup	45	from univention.admin.handlers.computers import domaincontroller_backup
46		46
47
48	# local application	47	# local application
49	from constants import COMPONENT_BASE, COMP_PARAMS, STATUS_ICONS, DEFAULT_ICON, PUT_SUCCESS, PUT_PROCESSING_ERROR	48	from constants import COMPONENT_BASE, COMP_PARAMS, STATUS_ICONS, DEFAULT_ICON, PUT_SUCCESS, PUT_PROCESSING_ERROR
50		49
		50	_ucr = univention.config_registry.ConfigRegistry()
		51	_ucr.load()
		52
51	def rename_app(old_id, new_id, component_manager, package_manager):	53	def rename_app(old_id, new_id, component_manager, package_manager):
52	from univention.management.console.modules.appcenter.app_center import Application	54	from univention.management.console.modules.appcenter.app_center import Application
53	app = Application.find(old_id)	55	app = Application.find(old_id)
Lines 133-139 Link Here
133	def component_registered(component_id, ucr):	135	def component_registered(component_id, ucr):
134	''' Checks if a component is registered (enabled or disabled).	136	''' Checks if a component is registered (enabled or disabled).
135	Moved outside of ComponentManager to avoid dependencies for	137	Moved outside of ComponentManager to avoid dependencies for
136	UniventionUpdater when just using Application.all() '''	138	UniventionUpdater'''
137	return '%s/%s' % (COMPONENT_BASE, component_id) in ucr	139	return '%s/%s' % (COMPONENT_BASE, component_id) in ucr
138		140
139	def component_current(component_id, ucr):	141	def component_current(component_id, ucr):
Lines 273-282 Link Here
273	def is_registered(self, component_id):	275	def is_registered(self, component_id):
274	return component_registered(component_id, self.ucr)	276	return component_registered(component_id, self.ucr)
275		277
276	def put_app(self, app, super_ucr=None):	278	def put_app_new_format(self, app, super_ucr=None):
277	if super_ucr is None:	279	if super_ucr is None:
278	with set_save_commit_load(self.ucr) as super_ucr:	280	with set_save_commit_load(self.ucr) as super_ucr:
279	return self.put_app(app, super_ucr)	281	return self.put_app(app, super_ucr)
		282	ucr_var = app.repository_ucr_var()
		283	if ucr_var:
		284	super_ucr.set_registry_var(ucr_var, 'enabled')
		285
		286	def remove_app_new_format(self, app, super_ucr=None):
		287	if super_ucr is None:
		288	with set_save_commit_load(self.ucr) as super_ucr:
		289	return self.remove_app(app, super_ucr)
		290	ucr_var = app.repository_ucr_var()
		291	if ucr_var:
		292	super_ucr.set_registry_var(ucr_var, '')
		293
		294	def put_app_old_format(self, app, super_ucr=None):
		295	if super_ucr is None:
		296	with set_save_commit_load(self.ucr) as super_ucr:
		297	return self.put_app(app, super_ucr)
280	app_data = {	298	app_data = {
281	'server' : app.get_server(),	299	'server' : app.get_server(),
282	'prefix' : '',	300	'prefix' : '',
Lines 296-307 Link Here
296	app_data['version'] = 'current'	314	app_data['version'] = 'current'
297	self.put(app_data, super_ucr)	315	self.put(app_data, super_ucr)
298		316
299	def remove_app(self, app, super_ucr=None):	317	def remove_app_old_format(self, app, super_ucr):
300	if super_ucr is None:	318	if super_ucr is None:
301	with set_save_commit_load(self.ucr) as super_ucr:	319	with set_save_commit_load(self.ucr) as super_ucr:
302	return self.remove_app(app, super_ucr)	320	return self.remove_app(app, super_ucr)
303	self._remove(app.component_id, super_ucr)	321	self._remove(app.component_id, super_ucr)
304		322
		323	if _ucr.is_true('repository/app_center/new_format', True):
		324	put_app = put_app_new_format
		325	remove_app = remove_app_new_format
		326	else:
		327	put_app = put_app_old_format
		328	remove_app = remove_app_old_format
		329
305	def put(self, data, super_ucr):	330	def put(self, data, super_ucr):
306	""" Does the real work of writing one component definition back.	331	""" Does the real work of writing one component definition back.
307	Will be called for each element in the request array of	332	Will be called for each element in the request array of
Lines 360-365 Link Here
360	self.put({'name' : component_id, 'version' : ''}, super_ucr)	385	self.put({'name' : component_id, 'version' : ''}, super_ucr)
361	return super_ucr.changed()	386	return super_ucr.changed()
362		387
		388	def enable_app(self, app, super_ucr=None):
		389	if super_ucr is None:
		390	with set_save_commit_load(self.ucr) as super_ucr:
		391	return self.enable_app(app, super_ucr)
		392	if self.ucr.is_true('repository/app_center/new_format', True):
		393	ucr_var = app.repository_ucr_var()
		394	if ucr_var:
		395	super_ucr.set_registry_var(ucr_var, 'enabled')
		396	else:
		397	self.currentify(app.component_id, super_ucr)
		398	return super_ucr.changed()
		399
		400	def disable_app(self, app, super_ucr=None):
		401	if super_ucr is None:
		402	with set_save_commit_load(self.ucr) as super_ucr:
		403	return self.disable_app(app, super_ucr)
		404	if self.ucr.is_true('repository/app_center/new_format', True):
		405	ucr_var = app.repository_ucr_var()
		406	if ucr_var:
		407	super_ucr.set_registry_var(ucr_var, 'disabled')
		408	else:
		409	self.uncurrentify(app.component_id, super_ucr)
		410	return super_ucr.changed()
		411
363	def _remove(self, component_id, super_ucr):	412	def _remove(self, component_id, super_ucr):
364	named_component_base = '%s/%s' % (COMPONENT_BASE, component_id)	413	named_component_base = '%s/%s' % (COMPONENT_BASE, component_id)
365	for var in COMP_PARAMS:	414	for var in COMP_PARAMS: