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1 | #!/usr/bin/env python |
1 | #!/usr/bin/env python |
2 | """ |
2 | """ |
3 | Kernel configuration script |
3 | Kernel configuration script |
4 | """ |
4 | """ |
5 | import sys |
5 | import sys |
6 | import os |
6 | import os |
7 | import re |
7 | import re |
8 | 8 | ||
9 | INPUT = 'kernel.config' |
9 | INPUT = 'kernel.config' |
10 | OUTPUT = 'Makefile.config' |
10 | OUTPUT = 'Makefile.config' |
11 | TMPOUTPUT = 'Makefile.config.tmp' |
11 | TMPOUTPUT = 'Makefile.config.tmp' |
12 | 12 | ||
13 | class DefaultDialog: |
13 | class DefaultDialog: |
14 | "Wrapper dialog that tries to return default values" |
14 | "Wrapper dialog that tries to return default values" |
15 | def __init__(self, dlg): |
15 | def __init__(self, dlg): |
16 | self.dlg = dlg |
16 | self.dlg = dlg |
17 | 17 | ||
18 | def set_title(self,text): |
18 | def set_title(self,text): |
19 | self.dlg.set_title(text) |
19 | self.dlg.set_title(text) |
20 | 20 | ||
21 | def yesno(self, text, default=None): |
21 | def yesno(self, text, default=None): |
22 | if default is not None: |
22 | if default is not None: |
23 | return default |
23 | return default |
24 | return self.dlg.yesno(text, default) |
24 | return self.dlg.yesno(text, default) |
25 | def noyes(self, text, default=None): |
25 | def noyes(self, text, default=None): |
26 | if default is not None: |
26 | if default is not None: |
27 | return default |
27 | return default |
28 | return self.dlg.noyes(text, default) |
28 | return self.dlg.noyes(text, default) |
29 | 29 | ||
30 | def choice(self, text, choices, defopt=None): |
30 | def choice(self, text, choices, defopt=None): |
31 | if defopt is not None: |
31 | if defopt is not None: |
32 | return choices[defopt][0] |
32 | return choices[defopt][0] |
33 | return self.dlg.choice(text, choices, defopt) |
33 | return self.dlg.choice(text, choices, defopt) |
34 | 34 | ||
35 | class NoDialog: |
35 | class NoDialog: |
36 | def __init__(self): |
36 | def __init__(self): |
37 | self.printed = None |
37 | self.printed = None |
38 | self.title = 'HelenOS Configuration' |
38 | self.title = 'HelenOS Configuration' |
39 | 39 | ||
40 | def print_title(self): |
40 | def print_title(self): |
41 | if not self.printed: |
41 | if not self.printed: |
42 | sys.stdout.write("*** %s ***\n" % self.title) |
42 | sys.stdout.write("*** %s ***\n" % self.title) |
43 | self.printed = True |
43 | self.printed = True |
44 | 44 | ||
45 | def set_title(self, text): |
45 | def set_title(self, text): |
46 | self.title = text |
46 | self.title = text |
47 | self.printed = False |
47 | self.printed = False |
48 | 48 | ||
49 | def noyes(self, text, default=None): |
49 | def noyes(self, text, default=None): |
50 | if not default: |
50 | if not default: |
51 | default = 'n' |
51 | default = 'n' |
52 | return self.yesno(text, default) |
52 | return self.yesno(text, default) |
53 | 53 | ||
54 | def yesno(self, text, default=None): |
54 | def yesno(self, text, default=None): |
55 | self.print_title() |
55 | self.print_title() |
56 | 56 | ||
57 | if default != 'n': |
57 | if default != 'n': |
58 | default = 'y' |
58 | default = 'y' |
59 | while 1: |
59 | while 1: |
60 | sys.stdout.write("%s (y/n)[%s]: " % (text,default)) |
60 | sys.stdout.write("%s (y/n)[%s]: " % (text,default)) |
61 | inp = sys.stdin.readline() |
61 | inp = sys.stdin.readline() |
62 | if not inp: |
62 | if not inp: |
63 | raise EOFError |
63 | raise EOFError |
64 | inp = inp.strip().lower() |
64 | inp = inp.strip().lower() |
65 | if not inp: |
65 | if not inp: |
66 | return default |
66 | return default |
67 | if inp == 'y': |
67 | if inp == 'y': |
68 | return 'y' |
68 | return 'y' |
69 | elif inp == 'n': |
69 | elif inp == 'n': |
70 | return 'n' |
70 | return 'n' |
71 | 71 | ||
72 | def _print_choice(self, text, choices, defopt): |
72 | def _print_choice(self, text, choices, defopt): |
73 | sys.stdout.write('%s:\n' % text) |
73 | sys.stdout.write('%s:\n' % text) |
74 | for i,(text,descr) in enumerate(choices): |
74 | for i,(text,descr) in enumerate(choices): |
75 | sys.stdout.write('\t%2d. %s\n' % (i, descr)) |
75 | sys.stdout.write('\t%2d. %s\n' % (i, descr)) |
76 | if defopt is not None: |
76 | if defopt is not None: |
77 | sys.stdout.write('Enter choice number[%d]: ' % defopt) |
77 | sys.stdout.write('Enter choice number[%d]: ' % defopt) |
78 | else: |
78 | else: |
79 | sys.stdout.write('Enter choice number: ') |
79 | sys.stdout.write('Enter choice number: ') |
80 | 80 | ||
81 | def choice(self, text, choices, defopt=None): |
81 | def choice(self, text, choices, defopt=None): |
82 | self.print_title() |
82 | self.print_title() |
83 | while 1: |
83 | while 1: |
84 | self._print_choice(text, choices, defopt) |
84 | self._print_choice(text, choices, defopt) |
85 | inp = sys.stdin.readline() |
85 | inp = sys.stdin.readline() |
86 | if not inp: |
86 | if not inp: |
87 | raise EOFError |
87 | raise EOFError |
88 | if not inp.strip(): |
88 | if not inp.strip(): |
89 | if defopt is not None: |
89 | if defopt is not None: |
90 | return choices[defopt][0] |
90 | return choices[defopt][0] |
91 | continue |
91 | continue |
92 | try: |
92 | try: |
93 | number = int(inp.strip()) |
93 | number = int(inp.strip()) |
94 | except ValueError: |
94 | except ValueError: |
95 | continue |
95 | continue |
96 | if number < 0 or number >= len(choices): |
96 | if number < 0 or number >= len(choices): |
97 | continue |
97 | continue |
98 | return choices[number][0] |
98 | return choices[number][0] |
99 | 99 | ||
100 | 100 | ||
101 | class Dialog(NoDialog): |
101 | class Dialog(NoDialog): |
102 | def __init__(self): |
102 | def __init__(self): |
103 | NoDialog.__init__(self) |
103 | NoDialog.__init__(self) |
104 | self.dlgcmd = os.environ.get('DIALOG','dialog') |
104 | self.dlgcmd = os.environ.get('DIALOG','dialog') |
105 | self.title = 'HelenOS Configuration' |
105 | self.title = 'HelenOS Configuration' |
106 | 106 | ||
107 | if os.system('%s --print-maxsize >/dev/null 2>&1' % self.dlgcmd) != 0: |
107 | if os.system('%s --print-maxsize >/dev/null 2>&1' % self.dlgcmd) != 0: |
108 | raise NotImplementedError |
108 | raise NotImplementedError |
109 | 109 | ||
110 | def set_title(self,text): |
110 | def set_title(self,text): |
111 | self.title = text |
111 | self.title = text |
112 | 112 | ||
113 | def calldlg(self,*args,**kw): |
113 | def calldlg(self,*args,**kw): |
114 | "Wrapper for calling 'dialog' program" |
114 | "Wrapper for calling 'dialog' program" |
115 | indesc, outdesc = os.pipe() |
115 | indesc, outdesc = os.pipe() |
116 | pid = os.fork() |
116 | pid = os.fork() |
117 | if not pid: |
117 | if not pid: |
118 | os.close(2) |
118 | os.close(2) |
119 | os.dup(outdesc) |
119 | os.dup(outdesc) |
120 | os.close(indesc) |
120 | os.close(indesc) |
121 | 121 | ||
122 | dlgargs = [self.dlgcmd,'--title',self.title] |
122 | dlgargs = [self.dlgcmd,'--title',self.title] |
123 | for key,val in kw.items(): |
123 | for key,val in kw.items(): |
124 | dlgargs.append('--'+key) |
124 | dlgargs.append('--'+key) |
125 | dlgargs.append(val) |
125 | dlgargs.append(val) |
126 | dlgargs += args |
126 | dlgargs += args |
127 | os.execlp(self.dlgcmd,*dlgargs) |
127 | os.execlp(self.dlgcmd,*dlgargs) |
128 | 128 | ||
129 | os.close(outdesc) |
129 | os.close(outdesc) |
130 | errout = os.fdopen(indesc,'r') |
130 | errout = os.fdopen(indesc,'r') |
131 | data = errout.read() |
131 | data = errout.read() |
132 | errout.close() |
132 | errout.close() |
133 | 133 | ||
134 | pid,status = os.wait() |
134 | pid,status = os.wait() |
135 | if not os.WIFEXITED(status): |
135 | if not os.WIFEXITED(status): |
136 | raise EOFError |
136 | raise EOFError |
137 | status = os.WEXITSTATUS(status) |
137 | status = os.WEXITSTATUS(status) |
138 | if status == 255: |
138 | if status == 255: |
139 | raise EOFError |
139 | raise EOFError |
140 | return status,data |
140 | return status,data |
141 | 141 | ||
142 | def yesno(self, text, default=None): |
142 | def yesno(self, text, default=None): |
143 | text = text + ':' |
143 | text = text + ':' |
144 | width = '50' |
144 | width = '50' |
145 | height = '5' |
145 | height = '5' |
146 | if len(text) < 48: |
146 | if len(text) < 48: |
147 | text = ' '*int(((48-len(text))/2)) + text |
147 | text = ' '*int(((48-len(text))/2)) + text |
148 | else: |
148 | else: |
149 | width = '0' |
149 | width = '0' |
150 | height = '0' |
150 | height = '0' |
151 | if default == 'n': |
151 | if default == 'n': |
152 | res,data = self.calldlg('--defaultno','--yesno',text,height,width) |
152 | res,data = self.calldlg('--defaultno','--yesno',text,height,width) |
153 | else: |
153 | else: |
154 | res,data = self.calldlg('--yesno',text,height,width) |
154 | res,data = self.calldlg('--yesno',text,height,width) |
155 | 155 | ||
156 | if res == 0: |
156 | if res == 0: |
157 | return 'y' |
157 | return 'y' |
158 | return 'n' |
158 | return 'n' |
159 | 159 | ||
160 | def choice(self, text, choices, defopt=None): |
160 | def choice(self, text, choices, defopt=None): |
161 | text = text + ':' |
161 | text = text + ':' |
162 | width = '50' |
162 | width = '50' |
163 | height = str(8 + len(choices)) |
163 | height = str(8 + len(choices)) |
164 | args = [] |
164 | args = [] |
165 | for key,val in choices: |
165 | for key,val in choices: |
166 | args.append(key) |
166 | args.append(key) |
167 | args.append(val) |
167 | args.append(val) |
168 | 168 | ||
169 | kw = {} |
169 | kw = {} |
170 | if defopt: |
170 | if defopt: |
171 | kw['default-item'] = choices[defopt][0] |
171 | kw['default-item'] = choices[defopt][0] |
172 | res,data = self.calldlg('--nocancel','--menu',text,height,width, |
172 | res,data = self.calldlg('--nocancel','--menu',text,height,width, |
173 | str(len(choices)),*args, **kw) |
173 | str(len(choices)),*args, **kw) |
174 | if res: |
174 | if res: |
175 | print data |
175 | print data |
176 | raise EOFError |
176 | raise EOFError |
177 | return data |
177 | return data |
178 | 178 | ||
179 | def read_defaults(fname,defaults): |
179 | def read_defaults(fname,defaults): |
180 | "Read saved values from last configuration run" |
180 | "Read saved values from last configuration run" |
181 | f = file(fname,'r') |
181 | f = file(fname,'r') |
182 | for line in f: |
182 | for line in f: |
183 | res = re.match(r'^(?:#!# )?([^#]\w*)\s*=\s*(.*?)\s*$', line) |
183 | res = re.match(r'^(?:#!# )?([^#]\w*)\s*=\s*(.*?)\s*$', line) |
184 | if res: |
184 | if res: |
185 | defaults[res.group(1)] = res.group(2) |
185 | defaults[res.group(1)] = res.group(2) |
186 | f.close() |
186 | f.close() |
187 | 187 | ||
188 | def check_condition(text, defaults): |
188 | def check_condition(text, defaults): |
- | 189 | result = True |
|
- | 190 | conds = text.split('&') |
|
- | 191 | for cond in conds: |
|
- | 192 | if cond.startswith('(') and cond.endswith(')'): |
|
- | 193 | cond = cond[1:-1] |
|
- | 194 | if not check_dnf(cond, defaults): |
|
- | 195 | return False |
|
- | 196 | return True |
|
- | 197 | ||
- | 198 | def check_dnf(text, defaults): |
|
- | 199 | """ |
|
189 | "Check that the condition specified on input line is True" |
200 | Check that the condition specified on input line is True |
- | 201 | ||
190 | result = False |
202 | only CNF is supported |
- | 203 | """ |
|
191 | conds = text.split('|') |
204 | conds = text.split('|') |
192 | for cond in conds: |
205 | for cond in conds: |
- | 206 | res = re.match(r'^(.*?)(!?=)(.*)$', cond) |
|
- | 207 | if not res: |
|
- | 208 | raise RuntimeError("Invalid condition: %s" % cond) |
|
193 | condname,condval = cond.split('=') |
209 | condname = res.group(1) |
- | 210 | oper = res.group(2) |
|
- | 211 | condval = res.group(3) |
|
194 | if not defaults.has_key(condname): |
212 | if not defaults.has_key(condname): |
195 | raise RuntimeError("Condition var %s does not exist: %s" % \ |
213 | raise RuntimeError("Condition var %s does not exist: %s" % \ |
196 | (condname,line)) |
214 | (condname,text)) |
197 | # None means wildcard |
- | |
- | 215 | ||
198 | if defaults[condname] is None: |
216 | if oper=='=' and condval == defaults[condname]: |
199 | return True |
217 | return True |
200 | if condval == defaults[condname]: |
218 | if oper == '!=' and condval != defaults[condname]: |
201 | return True |
219 | return True |
202 | return False |
220 | return False |
203 | 221 | ||
204 | def parse_config(input, output, dlg, defaults={}): |
222 | def parse_config(input, output, dlg, defaults={}): |
205 | "Parse configuration file and create Makefile.config on the fly" |
223 | "Parse configuration file and create Makefile.config on the fly" |
206 | f = file(input, 'r') |
224 | f = file(input, 'r') |
207 | outf = file(output, 'w') |
225 | outf = file(output, 'w') |
208 | 226 | ||
209 | outf.write('#########################################\n') |
227 | outf.write('#########################################\n') |
210 | outf.write('## AUTO-GENERATED FILE, DO NOT EDIT!!! ##\n') |
228 | outf.write('## AUTO-GENERATED FILE, DO NOT EDIT!!! ##\n') |
211 | outf.write('#########################################\n\n') |
229 | outf.write('#########################################\n\n') |
212 | 230 | ||
213 | comment = '' |
231 | comment = '' |
214 | default = None |
232 | default = None |
215 | choices = [] |
233 | choices = [] |
216 | for line in f: |
234 | for line in f: |
- | 235 | if line.startswith('%'): |
|
- | 236 | res = re.match(r'^%\s*(?:\[(.*?)\])?\s*(.*)$', line) |
|
- | 237 | if not res: |
|
- | 238 | raise RuntimeError('Invalid command: %s' % line) |
|
- | 239 | if res.group(1): |
|
- | 240 | if not check_condition(res.group(1), defaults): |
|
- | 241 | continue |
|
- | 242 | args = res.group(2).strip().split(' ') |
|
- | 243 | cmd = args[0].lower() |
|
- | 244 | args = args[1:] |
|
- | 245 | if cmd == 'askdefault': |
|
- | 246 | if isinstance(dlg, DefaultDialog): |
|
- | 247 | continue |
|
- | 248 | res = dlg.noyes('Change kernel configuration') |
|
- | 249 | if res == 'n': |
|
- | 250 | dlg = DefaultDialog(dlg) |
|
- | 251 | elif cmd == 'saveas': |
|
- | 252 | outf.write('%s = %s\n' % (args[1],defaults[args[0]])) |
|
- | 253 | ||
- | 254 | continue |
|
- | 255 | ||
217 | if line.startswith('!'): |
256 | if line.startswith('!'): |
218 | # Ask a question |
257 | # Ask a question |
219 | res = re.search(r'!\s*(?:\[(.*?)\])?\s*([^\s]+)\s*\((.*)\)\s*$', line) |
258 | res = re.search(r'!\s*(?:\[(.*?)\])?\s*([^\s]+)\s*\((.*)\)\s*$', line) |
220 | if not res: |
259 | if not res: |
221 | raise RuntimeError("Weird line: %s" % line) |
260 | raise RuntimeError("Weird line: %s" % line) |
222 | varname = res.group(2) |
261 | varname = res.group(2) |
223 | vartype = res.group(3) |
262 | vartype = res.group(3) |
224 | 263 | ||
225 | default = defaults.get(varname,None) |
264 | default = defaults.get(varname,None) |
226 | 265 | ||
227 | if res.group(1): |
266 | if res.group(1): |
228 | if not check_condition(res.group(1), defaults): |
267 | if not check_condition(res.group(1), defaults): |
229 | if default is not None: |
268 | if default is not None: |
230 | outf.write('#!# %s = %s\n' % (varname, default)) |
269 | outf.write('#!# %s = %s\n' % (varname, default)) |
- | 270 | # Clear cumulated values |
|
- | 271 | comment = '' |
|
- | 272 | default = None |
|
- | 273 | choices = [] |
|
231 | continue |
274 | continue |
232 | 275 | ||
233 | if vartype == 'y/n': |
276 | if vartype == 'y/n': |
234 | result = dlg.yesno(comment, default) |
277 | result = dlg.yesno(comment, default) |
235 | elif vartype == 'n/y': |
278 | elif vartype == 'n/y': |
236 | result = dlg.noyes(comment, default) |
279 | result = dlg.noyes(comment, default) |
237 | elif vartype == 'choice': |
280 | elif vartype == 'choice': |
238 | defopt = None |
281 | defopt = None |
239 | if default is not None: |
282 | if default is not None: |
240 | for i,(key,val) in enumerate(choices): |
283 | for i,(key,val) in enumerate(choices): |
241 | if key == default: |
284 | if key == default: |
242 | defopt = i |
285 | defopt = i |
243 | break |
286 | break |
244 | result = dlg.choice(comment, choices, defopt) |
287 | result = dlg.choice(comment, choices, defopt) |
245 | else: |
288 | else: |
246 | raise RuntimeError("Bad method: %s" % vartype) |
289 | raise RuntimeError("Bad method: %s" % vartype) |
247 | outf.write('%s = %s\n' % (varname, result)) |
290 | outf.write('%s = %s\n' % (varname, result)) |
248 | # Remeber the selected value |
291 | # Remeber the selected value |
249 | defaults[varname] = result |
292 | defaults[varname] = result |
250 | # Clear cumulated values |
293 | # Clear cumulated values |
251 | comment = '' |
294 | comment = '' |
252 | default = None |
295 | default = None |
253 | choices = [] |
296 | choices = [] |
254 | continue |
297 | continue |
255 | 298 | ||
256 | if line.startswith('@'): |
299 | if line.startswith('@'): |
257 | # Add new line into the 'choice array' |
300 | # Add new line into the 'choice array' |
258 | res = re.match(r'@\s*(?:\[(.*?)\])?\s*"(.*?)"\s*(.*)$', line) |
301 | res = re.match(r'@\s*(?:\[(.*?)\])?\s*"(.*?)"\s*(.*)$', line) |
259 | if not res: |
302 | if not res: |
260 | raise RuntimeError("Bad line: %s" % line) |
303 | raise RuntimeError("Bad line: %s" % line) |
261 | if res.group(1): |
304 | if res.group(1): |
262 | if not check_condition(res.group(1),defaults): |
305 | if not check_condition(res.group(1),defaults): |
263 | continue |
306 | continue |
264 | choices.append((res.group(2), res.group(3))) |
307 | choices.append((res.group(2), res.group(3))) |
265 | continue |
308 | continue |
266 | 309 | ||
267 | # All other things print to output file |
310 | # All other things print to output file |
268 | outf.write(line) |
311 | outf.write(line) |
269 | if re.match(r'^#[^#]', line): |
312 | if re.match(r'^#[^#]', line): |
270 | # Last comment before question will be displayed to the user |
313 | # Last comment before question will be displayed to the user |
271 | comment = line[1:].strip() |
314 | comment = line[1:].strip() |
272 | elif line.startswith('##'): |
315 | elif line.startswith('##'): |
273 | # Set title of the dialog window |
316 | # Set title of the dialog window |
274 | dlg.set_title(line[2:].strip()) |
317 | dlg.set_title(line[2:].strip()) |
275 | 318 | ||
276 | outf.close() |
319 | outf.close() |
277 | f.close() |
320 | f.close() |
278 | 321 | ||
279 | def main(): |
322 | def main(): |
280 | defaults = {'ARCH':None} |
323 | defaults = {} |
281 | try: |
324 | try: |
282 | dlg = Dialog() |
325 | dlg = Dialog() |
283 | except NotImplementedError: |
326 | except NotImplementedError: |
284 | dlg = NoDialog() |
327 | dlg = NoDialog() |
285 | 328 | ||
286 | # Default run will update the configuration file |
329 | # Default run will update the configuration file |
287 | # with newest options |
330 | # with newest options |
288 | if len(sys.argv) >= 2: |
- | |
289 | defaults['ARCH'] = sys.argv[1] |
- | |
290 | if len(sys.argv) == 3 and sys.argv[2]=='default': |
331 | if len(sys.argv) == 2 and sys.argv[1]=='default': |
291 | dlg = DefaultDialog(dlg) |
332 | dlg = DefaultDialog(dlg) |
292 | 333 | ||
293 | if os.path.exists(OUTPUT): |
334 | if os.path.exists(OUTPUT): |
294 | read_defaults(OUTPUT, defaults) |
335 | read_defaults(OUTPUT, defaults) |
295 | 336 | ||
296 | parse_config(INPUT, TMPOUTPUT, dlg, defaults) |
337 | parse_config(INPUT, TMPOUTPUT, dlg, defaults) |
297 | if os.path.exists(OUTPUT): |
338 | if os.path.exists(OUTPUT): |
298 | os.unlink(OUTPUT) |
339 | os.unlink(OUTPUT) |
299 | os.rename(TMPOUTPUT, OUTPUT) |
340 | os.rename(TMPOUTPUT, OUTPUT) |
300 | 341 | ||
301 | 342 | ||
302 | if __name__ == '__main__': |
343 | if __name__ == '__main__': |
303 | main() |
344 | main() |
304 | 345 |