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