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Last change on this file since 7b76744 was 7b76744, checked in by Martin Decky <martin@…>, 16 years ago
be more robust when the bzr binary cannot be executed
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[98376de]	1	#!/usr/bin/env python
[44882c8]	2	#
[5a55ae6]	3	# Copyright (c) 2006 Ondrej Palkovsky
[9a0367f]	4	# Copyright (c) 2009 Martin Decky
[44882c8]	5	# All rights reserved.
	6	#
	7	# Redistribution and use in source and binary forms, with or without
	8	# modification, are permitted provided that the following conditions
	9	# are met:
	10	#
	11	# - Redistributions of source code must retain the above copyright
	12	# notice, this list of conditions and the following disclaimer.
	13	# - Redistributions in binary form must reproduce the above copyright
	14	# notice, this list of conditions and the following disclaimer in the
	15	# documentation and/or other materials provided with the distribution.
	16	# - The name of the author may not be used to endorse or promote products
	17	# derived from this software without specific prior written permission.
	18	#
	19	# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
	20	# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
	21	# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
	22	# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
	23	# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
	24	# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
	25	# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
	26	# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
	27	# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
	28	# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
	29	#
[98376de]	30	"""
[9a0367f]	31	HelenOS configuration system
[98376de]	32	"""
	33	import sys
	34	import os
	35	import re
[5a8fbcb9]	36	import time
	37	import subprocess
[27fb3d6]	38	import xtui
[98376de]	39
[41f7564]	40	INPUT = sys.argv[1]
[84266669]	41	MAKEFILE = 'Makefile.config'
	42	MACROS = 'config.h'
	43	DEFS = 'config.defs'
[31fb9a0]	44	PRECONF = 'defaults'
[98376de]	45
[9a0367f]	46	def read_defaults(fname, defaults):
	47	"Read saved values from last configuration run"
	48
[84266669]	49	inf = file(fname, 'r')
[9a0367f]	50
	51	for line in inf:
	52	res = re.match(r'^(?:#!# )?([^#]\w)\s=\s(.?)\s*$', line)
	53	if (res):
	54	defaults[res.group(1)] = res.group(2)
	55
	56	inf.close()
[98376de]	57
[9a0367f]	58	def check_condition(text, defaults, ask_names):
[81c8d54]	59	"Check that the condition specified on input line is True (only CNF and DNF is supported)"
[9a0367f]	60
	61	ctype = 'cnf'
	62
	63	if ((')\|' in text) or ('\|(' in text)):
	64	ctype = 'dnf'
	65
	66	if (ctype == 'cnf'):
	67	conds = text.split('&')
	68	else:
	69	conds = text.split('\|')
	70
	71	for cond in conds:
	72	if (cond.startswith('(')) and (cond.endswith(')')):
	73	cond = cond[1:-1]
	74
	75	inside = check_inside(cond, defaults, ctype)
	76
	77	if (ctype == 'cnf') and (not inside):
	78	return False
	79
	80	if (ctype == 'dnf') and (inside):
	81	return True
	82
	83	if (ctype == 'cnf'):
	84	return True
	85	return False
[98376de]	86
[9a0367f]	87	def check_inside(text, defaults, ctype):
[81c8d54]	88	"Check for condition"
[9a0367f]	89
	90	if (ctype == 'cnf'):
	91	conds = text.split('\|')
	92	else:
	93	conds = text.split('&')
	94
	95	for cond in conds:
	96	res = re.match(r'^(.?)(!?=)(.)$', cond)
	97	if (not res):
	98	raise RuntimeError("Invalid condition: %s" % cond)
	99
	100	condname = res.group(1)
	101	oper = res.group(2)
	102	condval = res.group(3)
	103
	104	if (not defaults.has_key(condname)):
	105	varval = ''
	106	else:
	107	varval = defaults[condname]
[7aef7ee]	108	if (varval == '*'):
	109	varval = 'y'
[9a0367f]	110
	111	if (ctype == 'cnf'):
	112	if (oper == '=') and (condval == varval):
	113	return True
	114
	115	if (oper == '!=') and (condval != varval):
	116	return True
	117	else:
	118	if (oper == '=') and (condval != varval):
	119	return False
	120
	121	if (oper == '!=') and (condval == varval):
	122	return False
	123
	124	if (ctype == 'cnf'):
	125	return False
	126
	127	return True
[98376de]	128
[9a0367f]	129	def parse_config(fname, ask_names):
	130	"Parse configuration file"
	131
	132	inf = file(fname, 'r')
	133
	134	name = ''
	135	choices = []
	136
	137	for line in inf:
	138
	139	if (line.startswith('!')):
	140	# Ask a question
	141	res = re.search(r'!\s(?:\[(.?)\])?\s([^\s]+)\s\((.)\)\s$', line)
	142
	143	if (not res):
	144	raise RuntimeError("Weird line: %s" % line)
	145
	146	cond = res.group(1)
	147	varname = res.group(2)
	148	vartype = res.group(3)
	149
	150	ask_names.append((varname, vartype, name, choices, cond))
	151	name = ''
	152	choices = []
	153	continue
	154
	155	if (line.startswith('@')):
	156	# Add new line into the 'choices' array
	157	res = re.match(r'@\s(?:\[(.?)\])?\s"(.?)"\s(.)$', line)
	158
	159	if not res:
	160	raise RuntimeError("Bad line: %s" % line)
	161
	162	choices.append((res.group(2), res.group(3)))
	163	continue
	164
	165	if (line.startswith('%')):
	166	# Name of the option
	167	name = line[1:].strip()
	168	continue
	169
	170	if ((line.startswith('#')) or (line == '\n')):
	171	# Comment or empty line
	172	continue
	173
	174
	175	raise RuntimeError("Unknown syntax: %s" % line)
	176
	177	inf.close()
[98376de]	178
[9a0367f]	179	def yes_no(default):
	180	"Return '*' if yes, ' ' if no"
	181
	182	if (default == 'y'):
	183	return '*'
	184
	185	return ' '
[98376de]	186
[27fb3d6]	187	def subchoice(screen, name, choices, default):
[9a0367f]	188	"Return choice of choices"
	189
[27fb3d6]	190	maxkey = 0
	191	for key, val in choices:
	192	length = len(key)
	193	if (length > maxkey):
	194	maxkey = length
[9a0367f]	195
	196	options = []
[27fb3d6]	197	position = None
	198	cnt = 0
	199	for key, val in choices:
	200	if ((default) and (key == default)):
	201	position = cnt
	202
	203	options.append(" %-*s %s " % (maxkey, key, val))
	204	cnt += 1
[9a0367f]	205
[27fb3d6]	206	(button, value) = xtui.choice_window(screen, name, 'Choose value', options, position)
[9a0367f]	207
[27fb3d6]	208	if (button == 'cancel'):
[9a0367f]	209	return None
	210
[27fb3d6]	211	return choices[value][0]
[98376de]	212
[9a0367f]	213	def check_choices(defaults, ask_names):
	214	"Check whether all accessible variables have a default"
	215
[27fb3d6]	216	for varname, vartype, name, choices, cond in ask_names:
[9a0367f]	217	if ((cond) and (not check_condition(cond, defaults, ask_names))):
	218	continue
	219
	220	if (not defaults.has_key(varname)):
	221	return False
	222
	223	return True
[98376de]	224
[84266669]	225	def create_output(mkname, mcname, dfname, defaults, ask_names):
[9a0367f]	226	"Create output configuration"
	227
[5a8fbcb9]	228	timestamp = time.strftime("%Y-%m-%d %H:%M:%S", time.localtime())
[fe12f9f4]	229
	230	sys.stderr.write("Fetching current revision identifier ... ")
[7b76744]	231
	232	try:
	233	version = subprocess.Popen(['bzr', 'version-info', '--custom', '--template={clean}:{revno}:{revision_id}'], stdout = subprocess.PIPE).communicate()[0].split(':')
	234	sys.stderr.write("ok\n")
	235	except:
	236	version = [1, "unknown", "unknown"]
	237	sys.stderr.write("failed\n")
[5a8fbcb9]	238
	239	if (len(version) == 3):
	240	revision = version[1]
	241	if (version[0] != 1):
	242	revision += 'M'
	243	revision += ' (%s)' % version[2]
	244	else:
	245	revision = None
[84266669]	246
	247	outmk = file(mkname, 'w')
	248	outmc = file(mcname, 'w')
	249	outdf = file(dfname, 'w')
	250
	251	outmk.write('#########################################\n')
	252	outmk.write('## AUTO-GENERATED FILE, DO NOT EDIT!!! ##\n')
	253	outmk.write('#########################################\n\n')
[9a0367f]	254
[84266669]	255	outmc.write('/***************************************\n')
	256	outmc.write(' * AUTO-GENERATED FILE, DO NOT EDIT!!! *\n')
	257	outmc.write(' ***************************************/\n\n')
	258
	259	outdf.write('#########################################\n')
	260	outdf.write('## AUTO-GENERATED FILE, DO NOT EDIT!!! ##\n')
	261	outdf.write('#########################################\n\n')
	262	outdf.write('CONFIG_DEFS =')
[9a0367f]	263
[27fb3d6]	264	for varname, vartype, name, choices, cond in ask_names:
[9a0367f]	265	if ((cond) and (not check_condition(cond, defaults, ask_names))):
	266	continue
	267
	268	if (not defaults.has_key(varname)):
	269	default = ''
	270	else:
	271	default = defaults[varname]
[7aef7ee]	272	if (default == '*'):
	273	default = 'y'
[9a0367f]	274
[84266669]	275	outmk.write('# %s\n%s = %s\n\n' % (name, varname, default))
	276
[04b29ca]	277	if ((vartype == "y") or (vartype == "n") or (vartype == "y/n") or (vartype == "n/y")):
[84266669]	278	if (default == "y"):
	279	outmc.write('/* %s */\n#define %s\n\n' % (name, varname))
	280	outdf.write(' -D%s' % varname)
	281	else:
[06da55b]	282	outmc.write('/* %s */\n#define %s %s\n#define %s_%s\n\n' % (name, varname, default, varname, default))
	283	outdf.write(' -D%s=%s -D%s_%s' % (varname, default, varname, default))
[9a0367f]	284
[5a8fbcb9]	285	if (revision is not None):
	286	outmk.write('REVISION = %s\n' % revision)
	287	outmc.write('#define REVISION %s\n' % revision)
	288	outdf.write(' "-DREVISION=%s"' % revision)
[84266669]	289
[5a8fbcb9]	290	outmk.write('TIMESTAMP = %s\n' % timestamp)
[84266669]	291	outmc.write('#define TIMESTAMP %s\n' % timestamp)
[5a8fbcb9]	292	outdf.write(' "-DTIMESTAMP=%s"\n' % timestamp)
[84266669]	293
	294	outmk.close()
	295	outmc.close()
	296	outdf.close()
[98376de]	297
[31fb9a0]	298	def sorted_dir(root):
	299	list = os.listdir(root)
	300	list.sort()
	301	return list
	302
	303	def read_preconfigured(root, fname, screen, defaults):
	304	options = []
	305	opt2path = {}
	306	cnt = 0
	307
	308	# Look for profiles
	309	for name in sorted_dir(root):
	310	path = os.path.join(root, name)
	311	canon = os.path.join(path, fname)
	312
	313	if ((os.path.isdir(path)) and (os.path.exists(canon)) and (os.path.isfile(canon))):
	314	subprofile = False
	315
	316	# Look for subprofiles
	317	for subname in sorted_dir(path):
	318	subpath = os.path.join(path, subname)
	319	subcanon = os.path.join(subpath, fname)
	320
	321	if ((os.path.isdir(subpath)) and (os.path.exists(subcanon)) and (os.path.isfile(subcanon))):
	322	subprofile = True
	323	options.append("%s (%s)" % (name, subname))
	324	opt2path[cnt] = (canon, subcanon)
	325	cnt += 1
	326
	327	if (not subprofile):
	328	options.append(name)
	329	opt2path[cnt] = (canon, None)
	330	cnt += 1
	331
	332	(button, value) = xtui.choice_window(screen, 'Load preconfigured defaults', 'Choose configuration profile', options, None)
	333
	334	if (button == 'cancel'):
	335	return None
	336
	337	read_defaults(opt2path[value][0], defaults)
	338	if (opt2path[value][1] != None):
	339	read_defaults(opt2path[value][1], defaults)
	340
[98376de]	341	def main():
[9a0367f]	342	defaults = {}
	343	ask_names = []
	344
	345	# Parse configuration file
	346	parse_config(INPUT, ask_names)
	347
	348	# Read defaults from previous run
[84266669]	349	if os.path.exists(MAKEFILE):
	350	read_defaults(MAKEFILE, defaults)
[9a0367f]	351
	352	# Default mode: only check defaults and regenerate configuration
	353	if ((len(sys.argv) >= 3) and (sys.argv[2] == 'default')):
	354	if (check_choices(defaults, ask_names)):
[84266669]	355	create_output(MAKEFILE, MACROS, DEFS, defaults, ask_names)
[9a0367f]	356	return 0
	357
[48c3d50]	358	# Check mode: only check defaults
	359	if ((len(sys.argv) >= 3) and (sys.argv[2] == 'check')):
	360	if (check_choices(defaults, ask_names)):
	361	return 0
	362	return 1
	363
[27fb3d6]	364	screen = xtui.screen_init()
[9a0367f]	365	try:
	366	selname = None
[31fb9a0]	367	position = None
[9a0367f]	368	while True:
	369
[81c8d54]	370	# Cancel out all defaults which have to be deduced
	371	for varname, vartype, name, choices, cond in ask_names:
[7aef7ee]	372	if ((vartype == 'y') and (defaults.has_key(varname)) and (defaults[varname] == '*')):
[81c8d54]	373	defaults[varname] = None
	374
[9a0367f]	375	options = []
	376	opt2row = {}
[31fb9a0]	377	cnt = 1
	378
	379	options.append(" --- Load preconfigured defaults ... ")
	380
[27fb3d6]	381	for varname, vartype, name, choices, cond in ask_names:
[9a0367f]	382
	383	if ((cond) and (not check_condition(cond, defaults, ask_names))):
	384	continue
	385
	386	if (varname == selname):
	387	position = cnt
	388
	389	if (not defaults.has_key(varname)):
	390	default = None
	391	else:
	392	default = defaults[varname]
	393
	394	if (vartype == 'choice'):
	395	# Check if the default is an acceptable value
	396	if ((default) and (not default in [choice[0] for choice in choices])):
	397	default = None
	398	defaults.pop(varname)
	399
	400	# If there is just one option, use it
	401	if (len(choices) == 1):
[84266669]	402	defaults[varname] = choices[0][0]
	403	continue
[9a0367f]	404
[c79d50d]	405	if (default == None):
	406	options.append("? %s --> " % name)
	407	else:
	408	options.append(" %s [%s] --> " % (name, default))
[84266669]	409	elif (vartype == 'y'):
[7aef7ee]	410	defaults[varname] = '*'
[84266669]	411	continue
[95b4838d]	412	elif (vartype == 'n'):
	413	defaults[varname] = 'n'
	414	continue
[9a0367f]	415	elif (vartype == 'y/n'):
	416	if (default == None):
	417	default = 'y'
	418	defaults[varname] = default
[c79d50d]	419	options.append(" <%s> %s " % (yes_no(default), name))
[9a0367f]	420	elif (vartype == 'n/y'):
	421	if (default == None):
	422	default = 'n'
	423	defaults[varname] = default
[c79d50d]	424	options.append(" <%s> %s " % (yes_no(default), name))
[9a0367f]	425	else:
	426	raise RuntimeError("Unknown variable type: %s" % vartype)
	427
[27fb3d6]	428	opt2row[cnt] = (varname, vartype, name, choices)
[9a0367f]	429
	430	cnt += 1
	431
[31fb9a0]	432	if (position >= options):
	433	position = None
	434
[27fb3d6]	435	(button, value) = xtui.choice_window(screen, 'HelenOS configuration', 'Choose configuration option', options, position)
[9a0367f]	436
[27fb3d6]	437	if (button == 'cancel'):
[9a0367f]	438	return 'Configuration canceled'
	439
[6346efd]	440	if (button == 'done'):
	441	if (check_choices(defaults, ask_names)):
	442	break
	443	else:
	444	xtui.error_dialog(screen, 'Error', 'Some options have still undefined values. These options are marked with the "?" sign.')
	445	continue
	446
[31fb9a0]	447	if (value == 0):
	448	read_preconfigured(PRECONF, MAKEFILE, screen, defaults)
	449	position = 1
	450	continue
	451
	452	position = None
[27fb3d6]	453	if (not opt2row.has_key(value)):
	454	raise RuntimeError("Error selecting value: %s" % value)
	455
	456	(selname, seltype, name, choices) = opt2row[value]
[9a0367f]	457
[27fb3d6]	458	if (not defaults.has_key(selname)):
	459	default = None
	460	else:
	461	default = defaults[selname]
[9a0367f]	462
	463	if (seltype == 'choice'):
[27fb3d6]	464	defaults[selname] = subchoice(screen, name, choices, default)
[9a0367f]	465	elif ((seltype == 'y/n') or (seltype == 'n/y')):
	466	if (defaults[selname] == 'y'):
	467	defaults[selname] = 'n'
	468	else:
	469	defaults[selname] = 'y'
	470	finally:
[27fb3d6]	471	xtui.screen_done(screen)
[9a0367f]	472
[84266669]	473	create_output(MAKEFILE, MACROS, DEFS, defaults, ask_names)
[9a0367f]	474	return 0
[98376de]	475
	476	if __name__ == '__main__':
[43a10c4]	477	sys.exit(main())

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