| 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 | # All rights reserved.
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| 5 | #
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| 6 | # Redistribution and use in source and binary forms, with or without
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| 7 | # modification, are permitted provided that the following conditions
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| 8 | # are met:
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| 9 | #
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| 10 | # - Redistributions of source code must retain the above copyright
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| 11 | # notice, this list of conditions and the following disclaimer.
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| 12 | # - Redistributions in binary form must reproduce the above copyright
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| 13 | # notice, this list of conditions and the following disclaimer in the
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| 14 | # documentation and/or other materials provided with the distribution.
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| 15 | # - The name of the author may not be used to endorse or promote products
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| 16 | # derived from this software without specific prior written permission.
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| 17 | #
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| 18 | # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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| 19 | # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 20 | # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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| 21 | # IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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| 22 | # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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| 23 | # NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 24 | # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 25 | # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 26 | # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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| 27 | # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 28 | #
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| 29 | """
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| 30 | HelenOS configuration script
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| 31 | """
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| 32 | import sys
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| 33 | import os
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| 34 | import re
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| 35 | import commands
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| 36 |
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| 37 | INPUT = sys.argv[1]
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| 38 | OUTPUT = 'Makefile.config'
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| 39 | TMPOUTPUT = 'Makefile.config.tmp'
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| 40 |
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| 41 | class DefaultDialog:
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| 42 | "Wrapper dialog that tries to return default values"
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| 43 | def __init__(self, dlg):
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| 44 | self.dlg = dlg
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| 45 |
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| 46 | def set_title(self,text):
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| 47 | self.dlg.set_title(text)
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| 48 |
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| 49 | def yesno(self, text, default=None):
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| 50 | if default is not None:
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| 51 | return default
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| 52 | return self.dlg.yesno(text, default)
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| 53 | def noyes(self, text, default=None):
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| 54 | if default is not None:
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| 55 | return default
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| 56 | return self.dlg.noyes(text, default)
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| 57 |
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| 58 | def choice(self, text, choices, defopt=None):
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| 59 | if defopt is not None:
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| 60 | return choices[defopt][0]
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| 61 | return self.dlg.choice(text, choices, defopt)
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| 62 |
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| 63 | class NoDialog:
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| 64 | def __init__(self):
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| 65 | self.printed = None
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| 66 | self.title = 'HelenOS Configuration'
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| 67 |
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| 68 | def print_title(self):
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| 69 | if not self.printed:
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| 70 | sys.stdout.write("\n*** %s ***\n" % self.title)
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| 71 | self.printed = True
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| 72 |
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| 73 | def set_title(self, text):
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| 74 | self.title = text
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| 75 | self.printed = False
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| 76 |
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| 77 | def noyes(self, text, default=None):
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| 78 | if not default:
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| 79 | default = 'n'
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| 80 | return self.yesno(text, default)
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| 81 |
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| 82 | def yesno(self, text, default=None):
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| 83 | self.print_title()
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| 84 |
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| 85 | if default != 'n':
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| 86 | default = 'y'
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| 87 | while 1:
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| 88 | sys.stdout.write("%s (y/n)[%s]: " % (text,default))
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| 89 | inp = sys.stdin.readline()
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| 90 | if not inp:
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| 91 | raise EOFError
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| 92 | inp = inp.strip().lower()
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| 93 | if not inp:
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| 94 | return default
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| 95 | if inp == 'y':
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| 96 | return 'y'
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| 97 | elif inp == 'n':
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| 98 | return 'n'
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| 99 |
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| 100 | def _print_choice(self, text, choices, defopt):
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| 101 | sys.stdout.write('%s:\n' % text)
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| 102 | for i,(text,descr) in enumerate(choices):
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| 103 | if descr is '':
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| 104 | sys.stdout.write('\t%2d. %s\n' % (i, text))
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| 105 | else:
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| 106 | sys.stdout.write('\t%2d. %s\n' % (i, descr))
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| 107 | if defopt is not None:
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| 108 | sys.stdout.write('Enter choice number[%d]: ' % defopt)
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| 109 | else:
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| 110 | sys.stdout.write('Enter choice number: ')
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| 111 |
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| 112 | def menu(self, text, choices, button, defopt=None):
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| 113 | self.title = 'Main menu'
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| 114 | menu = []
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| 115 | for key, descr in choices:
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| 116 | txt = key + (45-len(key))*' ' + ': ' + descr
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| 117 | menu.append((key, txt))
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| 118 |
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| 119 | return self.choice(text, [button] + menu)
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| 120 |
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| 121 | def choice(self, text, choices, defopt=None):
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| 122 | self.print_title()
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| 123 | while 1:
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| 124 | self._print_choice(text, choices, defopt)
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| 125 | inp = sys.stdin.readline()
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| 126 | if not inp:
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| 127 | raise EOFError
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| 128 | if not inp.strip():
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| 129 | if defopt is not None:
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| 130 | return choices[defopt][0]
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| 131 | continue
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| 132 | try:
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| 133 | number = int(inp.strip())
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| 134 | except ValueError:
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| 135 | continue
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| 136 | if number < 0 or number >= len(choices):
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| 137 | continue
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| 138 | return choices[number][0]
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| 139 |
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| 140 |
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| 141 | def eof_checker(fnc):
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| 142 | def wrapper(self, *args, **kw):
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| 143 | try:
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| 144 | return fnc(self, *args, **kw)
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| 145 | except EOFError:
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| 146 | return getattr(self.bckdialog,fnc.func_name)(*args, **kw)
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| 147 | return wrapper
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| 148 |
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| 149 | class Dialog(NoDialog):
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| 150 | def __init__(self):
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| 151 | NoDialog.__init__(self)
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| 152 | self.dlgcmd = os.environ.get('DIALOG','dialog')
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| 153 | self.title = ''
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| 154 | self.backtitle = 'HelenOS Configuration'
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| 155 |
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| 156 | if os.system('%s --print-maxsize >/dev/null 2>&1' % self.dlgcmd) != 0:
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| 157 | raise NotImplementedError
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| 158 |
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| 159 | self.bckdialog = NoDialog()
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| 160 |
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| 161 | def set_title(self,text):
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| 162 | self.title = text
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| 163 | self.bckdialog.set_title(text)
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| 164 |
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| 165 | def calldlg(self,*args,**kw):
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| 166 | "Wrapper for calling 'dialog' program"
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| 167 | indesc, outdesc = os.pipe()
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| 168 | pid = os.fork()
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| 169 | if not pid:
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| 170 | os.close(2)
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| 171 | os.dup(outdesc)
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| 172 | os.close(indesc)
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| 173 |
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| 174 | dlgargs = [self.dlgcmd,'--title',self.title,
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| 175 | '--backtitle', self.backtitle]
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| 176 | for key,val in kw.items():
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| 177 | dlgargs.append('--'+key)
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| 178 | dlgargs.append(val)
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| 179 | dlgargs += args
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| 180 | os.execlp(self.dlgcmd,*dlgargs)
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| 181 |
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| 182 | os.close(outdesc)
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| 183 |
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| 184 | try:
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| 185 | errout = os.fdopen(indesc,'r')
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| 186 | data = errout.read()
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| 187 | errout.close()
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| 188 | pid,status = os.wait()
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| 189 | except:
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| 190 | os.system('reset') # Reset terminal
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| 191 | raise
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| 192 |
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| 193 | if not os.WIFEXITED(status):
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| 194 | os.system('reset') # Reset terminal
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| 195 | raise EOFError
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| 196 |
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| 197 | status = os.WEXITSTATUS(status)
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| 198 | if status == 255:
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| 199 | raise EOFError
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| 200 | return status,data
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| 201 |
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| 202 | def yesno(self, text, default=None):
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| 203 | if text[-1] not in ('?',':'):
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| 204 | text = text + ':'
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| 205 | width = '50'
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| 206 | height = '5'
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| 207 | if len(text) < 48:
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| 208 | text = ' '*int(((48-len(text))/2)) + text
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| 209 | else:
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| 210 | width = '0'
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| 211 | height = '0'
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| 212 | if default == 'n':
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| 213 | res,data = self.calldlg('--defaultno','--yesno',text,height,width)
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| 214 | else:
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| 215 | res,data = self.calldlg('--yesno',text,height,width)
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| 216 |
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| 217 | if res == 0:
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| 218 | return 'y'
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| 219 | return 'n'
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| 220 | yesno = eof_checker(yesno)
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| 221 |
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| 222 | def menu(self, text, choices, button, defopt=None):
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| 223 | self.title = 'Main menu'
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| 224 | text = text + ':'
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| 225 | width = '70'
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| 226 | height = str(8 + len(choices))
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| 227 | args = []
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| 228 | for key,val in choices:
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| 229 | args.append(key)
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| 230 | args.append(val)
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| 231 |
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| 232 | kw = {}
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| 233 | if defopt:
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| 234 | kw['default-item'] = choices[defopt][0]
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| 235 | res,data = self.calldlg('--ok-label','Change',
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| 236 | '--extra-label',button[1],
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| 237 | '--extra-button',
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| 238 | '--menu',text,height,width,
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| 239 | str(len(choices)),*args,**kw)
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| 240 | if res == 3:
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| 241 | return button[0]
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| 242 | if res == 1: # Cancel
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| 243 | sys.exit(1)
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| 244 | elif res:
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| 245 | print data
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| 246 | raise EOFError
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| 247 | return data
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| 248 | menu = eof_checker(menu)
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| 249 |
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| 250 | def choice(self, text, choices, defopt=None):
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| 251 | text = text + ':'
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| 252 | width = '50'
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| 253 | height = str(8 + len(choices))
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| 254 | args = []
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| 255 | for key,val in choices:
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| 256 | args.append(key)
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| 257 | args.append(val)
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| 258 |
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| 259 | kw = {}
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| 260 | if defopt:
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| 261 | kw['default-item'] = choices[defopt][0]
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| 262 | res,data = self.calldlg('--nocancel','--menu',text,height,width,
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| 263 | str(len(choices)),*args, **kw)
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| 264 | if res:
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| 265 | print data
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| 266 | raise EOFError
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| 267 | return data
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| 268 | choice = eof_checker(choice)
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| 269 |
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| 270 | def read_defaults(fname,defaults):
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| 271 | "Read saved values from last configuration run"
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| 272 | f = file(fname,'r')
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| 273 | for line in f:
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| 274 | res = re.match(r'^(?:#!# )?([^#]\w*)\s*=\s*(.*?)\s*$', line)
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| 275 | if res:
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| 276 | defaults[res.group(1)] = res.group(2)
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| 277 | f.close()
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| 278 |
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| 279 | def check_condition(text, defaults, asked_names):
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| 280 | seen_vars = [ x[0] for x in asked_names ]
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| 281 | ctype = 'cnf'
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| 282 | if ')|' in text or '|(' in text:
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| 283 | ctype = 'dnf'
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| 284 |
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| 285 | if ctype == 'cnf':
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| 286 | conds = text.split('&')
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| 287 | else:
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| 288 | conds = text.split('|')
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| 289 |
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| 290 | for cond in conds:
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| 291 | if cond.startswith('(') and cond.endswith(')'):
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| 292 | cond = cond[1:-1]
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| 293 |
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| 294 | inside = check_inside(cond, defaults, ctype, seen_vars)
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| 295 |
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| 296 | if ctype == 'cnf' and not inside:
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| 297 | return False
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| 298 | if ctype == 'dnf' and inside:
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| 299 | return True
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| 300 |
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| 301 | if ctype == 'cnf':
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| 302 | return True
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| 303 | return False
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| 304 |
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| 305 | def check_inside(text, defaults, ctype, seen_vars):
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| 306 | """
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| 307 | Check that the condition specified on input line is True
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| 308 |
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| 309 | only CNF is supported
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| 310 | """
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| 311 | if ctype == 'cnf':
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| 312 | conds = text.split('|')
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| 313 | else:
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| 314 | conds = text.split('&')
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| 315 | for cond in conds:
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| 316 | res = re.match(r'^(.*?)(!?=)(.*)$', cond)
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| 317 | if not res:
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| 318 | raise RuntimeError("Invalid condition: %s" % cond)
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| 319 | condname = res.group(1)
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| 320 | oper = res.group(2)
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| 321 | condval = res.group(3)
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| 322 | if condname not in seen_vars:
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| 323 | varval = ''
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| 324 | ## raise RuntimeError("Variable %s not defined before being asked." %\
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| 325 | ## condname)
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| 326 | elif not defaults.has_key(condname):
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| 327 | raise RuntimeError("Condition var %s does not exist: %s" % \
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| 328 | (condname,text))
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| 329 | else:
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| 330 | varval = defaults[condname]
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| 331 | if ctype == 'cnf':
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| 332 | if oper == '=' and condval == varval:
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| 333 | return True
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| 334 | if oper == '!=' and condval != varval:
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| 335 | return True
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| 336 | else:
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| 337 | if oper== '=' and condval != varval:
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| 338 | return False
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| 339 | if oper== '!=' and condval == varval:
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| 340 | return False
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| 341 | if ctype=='cnf':
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| 342 | return False
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| 343 | return True
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| 344 |
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| 345 | def parse_config(input, output, dlg, defaults={}, askonly=None):
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| 346 | "Parse configuration file and create Makefile.config on the fly"
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| 347 | def ask_the_question(dialog):
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| 348 | "Ask question based on the type of variables to ask"
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| 349 | # This is quite a hack, this thingy is written just to
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| 350 | # have access to local variables..
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| 351 | if vartype == 'y/n':
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| 352 | return dialog.yesno(comment, default)
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| 353 | elif vartype == 'n/y':
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| 354 | return dialog.noyes(comment, default)
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| 355 | elif vartype == 'choice':
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| 356 | defopt = None
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| 357 | if default is not None:
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| 358 | for i,(key,val) in enumerate(choices):
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| 359 | if key == default:
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| 360 | defopt = i
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| 361 | break
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| 362 | return dialog.choice(comment, choices, defopt)
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| 363 | else:
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| 364 | raise RuntimeError("Bad method: %s" % vartype)
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| 365 |
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| 366 |
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| 367 | f = file(input, 'r')
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| 368 | outf = file(output, 'w')
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| 369 |
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| 370 | outf.write('#########################################\n')
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| 371 | outf.write('## AUTO-GENERATED FILE, DO NOT EDIT!!! ##\n')
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| 372 | outf.write('#########################################\n\n')
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| 373 |
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| 374 | asked_names = []
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| 375 |
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| 376 | comment = ''
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| 377 | default = None
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| 378 | choices = []
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| 379 | for line in f:
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| 380 | if line.startswith('%'):
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| 381 | res = re.match(r'^%\s*(?:\[(.*?)\])?\s*(.*)$', line)
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| 382 | if not res:
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| 383 | raise RuntimeError('Invalid command: %s' % line)
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| 384 | if res.group(1):
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| 385 | if not check_condition(res.group(1), defaults,
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| 386 | asked_names):
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| 387 | continue
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| 388 | args = res.group(2).strip().split(' ')
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| 389 | cmd = args[0].lower()
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| 390 | args = args[1:]
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| 391 | if cmd == 'saveas':
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| 392 | outf.write('%s = %s\n' % (args[1],defaults[args[0]]))
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| 393 | elif cmd == 'shellcmd':
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| 394 | varname = args[0]
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| 395 | args = args[1:]
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| 396 | for i,arg in enumerate(args):
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| 397 | if arg.startswith('$'):
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| 398 | args[i] = defaults[arg[1:]]
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| 399 | data,status = commands.getstatusoutput(' '.join(args))
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| 400 | if status:
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| 401 | raise RuntimeError('Error running: %s' % ' '.join(args))
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| 402 | outf.write('%s = %s\n' % (varname,data.strip()))
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| 403 | continue
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| 404 |
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| 405 | if line.startswith('!'):
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| 406 | # Ask a question
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| 407 | res = re.search(r'!\s*(?:\[(.*?)\])?\s*([^\s]+)\s*\((.*)\)\s*$', line)
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| 408 | if not res:
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| 409 | raise RuntimeError("Weird line: %s" % line)
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| 410 | varname = res.group(2)
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| 411 | vartype = res.group(3)
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| 412 |
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| 413 | default = defaults.get(varname,None)
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| 414 |
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| 415 | if res.group(1):
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| 416 | if not check_condition(res.group(1), defaults,
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| 417 | asked_names):
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| 418 | if default is not None:
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| 419 | outf.write('#!# %s = %s\n' % (varname, default))
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| 420 | # Clear cumulated values
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| 421 | comment = ''
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| 422 | default = None
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| 423 | choices = []
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| 424 | continue
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| 425 |
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| 426 | asked_names.append((varname,comment))
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| 427 |
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| 428 | if default is None or not askonly or askonly == varname:
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| 429 | default = ask_the_question(dlg)
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| 430 | else:
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| 431 | default = ask_the_question(DefaultDialog(dlg))
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| 432 |
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| 433 | outf.write('%s = %s\n' % (varname, default))
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| 434 | # Remeber the selected value
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| 435 | defaults[varname] = default
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| 436 | # Clear cumulated values
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|---|
| 437 | comment = ''
|
|---|
| 438 | default = None
|
|---|
| 439 | choices = []
|
|---|
| 440 | continue
|
|---|
| 441 |
|
|---|
| 442 | if line.startswith('@'):
|
|---|
| 443 | # Add new line into the 'choice array'
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|---|
| 444 | res = re.match(r'@\s*(?:\[(.*?)\])?\s*"(.*?)"\s*(.*)$', line)
|
|---|
| 445 | if not res:
|
|---|
| 446 | raise RuntimeError("Bad line: %s" % line)
|
|---|
| 447 | if res.group(1):
|
|---|
| 448 | if not check_condition(res.group(1),defaults,
|
|---|
| 449 | asked_names):
|
|---|
| 450 | continue
|
|---|
| 451 | choices.append((res.group(2), res.group(3)))
|
|---|
| 452 | continue
|
|---|
| 453 |
|
|---|
| 454 | # All other things print to output file
|
|---|
| 455 | outf.write(line)
|
|---|
| 456 | if re.match(r'^#[^#]', line):
|
|---|
| 457 | # Last comment before question will be displayed to the user
|
|---|
| 458 | comment = line[1:].strip()
|
|---|
| 459 | elif line.startswith('## '):
|
|---|
| 460 | # Set title of the dialog window
|
|---|
| 461 | dlg.set_title(line[2:].strip())
|
|---|
| 462 |
|
|---|
| 463 | outf.write('\n')
|
|---|
| 464 | outf.write('REVISION = %s\n' % commands.getoutput('svnversion . 2> /dev/null'))
|
|---|
| 465 | outf.write('TIMESTAMP = %s\n' % commands.getoutput('date "+%Y-%m-%d %H:%M:%S"'))
|
|---|
| 466 | outf.close()
|
|---|
| 467 | f.close()
|
|---|
| 468 | return asked_names
|
|---|
| 469 |
|
|---|
| 470 | def main():
|
|---|
| 471 | defaults = {}
|
|---|
| 472 | try:
|
|---|
| 473 | dlg = Dialog()
|
|---|
| 474 | except NotImplementedError:
|
|---|
| 475 | dlg = NoDialog()
|
|---|
| 476 |
|
|---|
| 477 | if len(sys.argv) >= 3 and sys.argv[2]=='default':
|
|---|
| 478 | defmode = True
|
|---|
| 479 | else:
|
|---|
| 480 | defmode = False
|
|---|
| 481 |
|
|---|
| 482 | # Default run will update the configuration file
|
|---|
| 483 | # with newest options
|
|---|
| 484 | if os.path.exists(OUTPUT):
|
|---|
| 485 | read_defaults(OUTPUT, defaults)
|
|---|
| 486 |
|
|---|
| 487 | # Get ARCH from command line if specified
|
|---|
| 488 | if len(sys.argv) >= 4:
|
|---|
| 489 | defaults['ARCH'] = sys.argv[3]
|
|---|
| 490 | defaults['PLATFORM'] = sys.argv[3]
|
|---|
| 491 |
|
|---|
| 492 | # Get COMPILER from command line if specified
|
|---|
| 493 | if len(sys.argv) >= 5:
|
|---|
| 494 | defaults['COMPILER'] = sys.argv[4]
|
|---|
| 495 |
|
|---|
| 496 | # Get CONFIG_DEBUG from command line if specified
|
|---|
| 497 | if len(sys.argv) >= 6:
|
|---|
| 498 | defaults['CONFIG_DEBUG'] = sys.argv[5]
|
|---|
| 499 |
|
|---|
| 500 | # Get MACHINE/IMAGE from command line if specified
|
|---|
| 501 | if len(sys.argv) >= 7:
|
|---|
| 502 | defaults['MACHINE'] = sys.argv[6]
|
|---|
| 503 | defaults['IMAGE'] = sys.argv[6]
|
|---|
| 504 |
|
|---|
| 505 | # Dry run only with defaults
|
|---|
| 506 | varnames = parse_config(INPUT, TMPOUTPUT, DefaultDialog(dlg), defaults)
|
|---|
| 507 | # If not in default mode, present selection of all possibilities
|
|---|
| 508 | if not defmode:
|
|---|
| 509 | defopt = 0
|
|---|
| 510 | while 1:
|
|---|
| 511 | # varnames contains variable names that were in the
|
|---|
| 512 | # last question set
|
|---|
| 513 | choices = [ (x[1],defaults[x[0]]) for x in varnames ]
|
|---|
| 514 | res = dlg.menu('Configuration',choices,('save','Save'),defopt)
|
|---|
| 515 | if res == 'save':
|
|---|
| 516 | parse_config(INPUT, TMPOUTPUT, DefaultDialog(dlg), defaults)
|
|---|
| 517 | break
|
|---|
| 518 | # transfer description back to varname
|
|---|
| 519 | for i,(vname,descr) in enumerate(varnames):
|
|---|
| 520 | if res == descr:
|
|---|
| 521 | defopt = i
|
|---|
| 522 | break
|
|---|
| 523 | # Ask the user a simple question, produce output
|
|---|
| 524 | # as if the user answered all the other questions
|
|---|
| 525 | # with default answer
|
|---|
| 526 | varnames = parse_config(INPUT, TMPOUTPUT, dlg, defaults,
|
|---|
| 527 | askonly=varnames[i][0])
|
|---|
| 528 |
|
|---|
| 529 |
|
|---|
| 530 | if os.path.exists(OUTPUT):
|
|---|
| 531 | os.unlink(OUTPUT)
|
|---|
| 532 | os.rename(TMPOUTPUT, OUTPUT)
|
|---|
| 533 |
|
|---|
| 534 | if not defmode and dlg.yesno('Rebuild everything?') == 'y':
|
|---|
| 535 | os.execlp('make','make','clean','build')
|
|---|
| 536 |
|
|---|
| 537 | if __name__ == '__main__':
|
|---|
| 538 | main()
|
|---|
