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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 | indesc, outdesc = os.pipe() |
115 | indesc, outdesc = os.pipe() |
115 | pid = os.fork() |
116 | pid = os.fork() |
116 | if not pid: |
117 | if not pid: |
117 | os.close(2) |
118 | os.close(2) |
118 | os.dup(outdesc) |
119 | os.dup(outdesc) |
119 | os.close(indesc) |
120 | os.close(indesc) |
120 | 121 | ||
121 | dlgargs = [self.dlgcmd,'--title',self.title] |
122 | dlgargs = [self.dlgcmd,'--title',self.title] |
122 | for key,val in kw.items(): |
123 | for key,val in kw.items(): |
123 | dlgargs.append('--'+key) |
124 | dlgargs.append('--'+key) |
124 | dlgargs.append(val) |
125 | dlgargs.append(val) |
125 | dlgargs += args |
126 | dlgargs += args |
126 | os.execlp(self.dlgcmd,*dlgargs) |
127 | os.execlp(self.dlgcmd,*dlgargs) |
127 | 128 | ||
128 | os.close(outdesc) |
129 | os.close(outdesc) |
129 | errout = os.fdopen(indesc,'r') |
130 | errout = os.fdopen(indesc,'r') |
130 | data = errout.read() |
131 | data = errout.read() |
131 | errout.close() |
132 | errout.close() |
132 | 133 | ||
133 | pid,status = os.wait() |
134 | pid,status = os.wait() |
134 | if not os.WIFEXITED(status): |
135 | if not os.WIFEXITED(status): |
135 | raise EOFError |
136 | raise EOFError |
136 | status = os.WEXITSTATUS(status) |
137 | status = os.WEXITSTATUS(status) |
137 | if status == 255: |
138 | if status == 255: |
138 | raise EOFError |
139 | raise EOFError |
139 | return status,data |
140 | return status,data |
140 | 141 | ||
141 | def yesno(self, text, default=None): |
142 | def yesno(self, text, default=None): |
142 | text = text + ':' |
143 | text = text + ':' |
143 | width = '50' |
144 | width = '50' |
144 | height = '5' |
145 | height = '5' |
145 | if len(text) < 48: |
146 | if len(text) < 48: |
146 | text = ' '*int(((48-len(text))/2)) + text |
147 | text = ' '*int(((48-len(text))/2)) + text |
147 | else: |
148 | else: |
148 | width = '0' |
149 | width = '0' |
149 | height = '0' |
150 | height = '0' |
150 | if default == 'n': |
151 | if default == 'n': |
151 | res,data = self.calldlg('--defaultno','--yesno',text,height,width) |
152 | res,data = self.calldlg('--defaultno','--yesno',text,height,width) |
152 | else: |
153 | else: |
153 | res,data = self.calldlg('--yesno',text,height,width) |
154 | res,data = self.calldlg('--yesno',text,height,width) |
154 | 155 | ||
155 | if res == 0: |
156 | if res == 0: |
156 | return 'y' |
157 | return 'y' |
157 | return 'n' |
158 | return 'n' |
158 | 159 | ||
159 | def choice(self, text, choices, defopt=None): |
160 | def choice(self, text, choices, defopt=None): |
160 | text = text + ':' |
161 | text = text + ':' |
161 | width = '50' |
162 | width = '50' |
162 | height = str(8 + len(choices)) |
163 | height = str(8 + len(choices)) |
163 | args = [] |
164 | args = [] |
164 | for key,val in choices: |
165 | for key,val in choices: |
165 | args.append(key) |
166 | args.append(key) |
166 | args.append(val) |
167 | args.append(val) |
167 | 168 | ||
168 | kw = {} |
169 | kw = {} |
169 | if defopt: |
170 | if defopt: |
170 | kw['default-item'] = choices[defopt][0] |
171 | kw['default-item'] = choices[defopt][0] |
171 | res,data = self.calldlg('--nocancel','--menu',text,height,width, |
172 | res,data = self.calldlg('--nocancel','--menu',text,height,width, |
172 | str(len(choices)),*args, **kw) |
173 | str(len(choices)),*args, **kw) |
173 | if res: |
174 | if res: |
174 | print data |
175 | print data |
175 | raise EOFError |
176 | raise EOFError |
176 | return data |
177 | return data |
177 | 178 | ||
178 | def read_defaults(fname,defaults): |
179 | def read_defaults(fname,defaults): |
- | 180 | "Read saved values from last configuration run" |
|
179 | f = file(fname,'r') |
181 | f = file(fname,'r') |
180 | for line in f: |
182 | for line in f: |
181 | res = re.match(r'^(?:#!# )?([^#]\w*)\s*=\s*(.*?)\s*$', line) |
183 | res = re.match(r'^(?:#!# )?([^#]\w*)\s*=\s*(.*?)\s*$', line) |
182 | if res: |
184 | if res: |
183 | defaults[res.group(1)] = res.group(2) |
185 | defaults[res.group(1)] = res.group(2) |
184 | f.close() |
186 | f.close() |
185 | 187 | ||
186 | def check_condition(text, defaults): |
188 | def check_condition(text, defaults): |
- | 189 | "Check that the condition specified on input line is True" |
|
187 | result = False |
190 | result = False |
188 | conds = text.split('|') |
191 | conds = text.split('|') |
189 | for cond in conds: |
192 | for cond in conds: |
190 | condname,condval = cond.split('=') |
193 | condname,condval = cond.split('=') |
191 | if not defaults.has_key(condname): |
194 | if not defaults.has_key(condname): |
192 | raise RuntimeError("Condition var %s does not exist: %s" % \ |
195 | raise RuntimeError("Condition var %s does not exist: %s" % \ |
193 | (condname,line)) |
196 | (condname,line)) |
194 | # None means wildcard |
197 | # None means wildcard |
195 | if defaults[condname] is None: |
198 | if defaults[condname] is None: |
196 | return True |
199 | return True |
197 | if condval == defaults[condname]: |
200 | if condval == defaults[condname]: |
198 | return True |
201 | return True |
199 | return False |
202 | return False |
200 | 203 | ||
201 | def parse_config(input, output, dlg, defaults={}): |
204 | def parse_config(input, output, dlg, defaults={}): |
- | 205 | "Parse configuration file and create Makefile.config on the fly" |
|
202 | f = file(input, 'r') |
206 | f = file(input, 'r') |
203 | outf = file(output, 'w') |
207 | outf = file(output, 'w') |
204 | 208 | ||
205 | outf.write('#########################################\n') |
209 | outf.write('#########################################\n') |
206 | outf.write('## AUTO-GENERATED FILE, DO NOT EDIT!!! ##\n') |
210 | outf.write('## AUTO-GENERATED FILE, DO NOT EDIT!!! ##\n') |
207 | outf.write('#########################################\n\n') |
211 | outf.write('#########################################\n\n') |
208 | 212 | ||
209 | comment = '' |
213 | comment = '' |
210 | default = None |
214 | default = None |
211 | choices = [] |
215 | choices = [] |
212 | for line in f: |
216 | for line in f: |
213 | if line.startswith('!'): |
217 | if line.startswith('!'): |
- | 218 | # Ask a question |
|
214 | res = re.search(r'!\s*(?:\[(.*?)\])?\s*([^\s]+)\s*\((.*)\)\s*$', line) |
219 | res = re.search(r'!\s*(?:\[(.*?)\])?\s*([^\s]+)\s*\((.*)\)\s*$', line) |
215 | if not res: |
220 | if not res: |
216 | raise RuntimeError("Weird line: %s" % line) |
221 | raise RuntimeError("Weird line: %s" % line) |
217 | varname = res.group(2) |
222 | varname = res.group(2) |
218 | vartype = res.group(3) |
223 | vartype = res.group(3) |
219 | 224 | ||
220 | default = defaults.get(varname,None) |
225 | default = defaults.get(varname,None) |
221 | 226 | ||
222 | if res.group(1): |
227 | if res.group(1): |
223 | if not check_condition(res.group(1), defaults): |
228 | if not check_condition(res.group(1), defaults): |
224 | if default is not None: |
229 | if default is not None: |
225 | outf.write('#!# %s = %s\n' % (varname, default)) |
230 | outf.write('#!# %s = %s\n' % (varname, default)) |
226 | continue |
231 | continue |
227 | 232 | ||
228 | if vartype == 'y/n': |
233 | if vartype == 'y/n': |
229 | result = dlg.yesno(comment, default) |
234 | result = dlg.yesno(comment, default) |
230 | elif vartype == 'n/y': |
235 | elif vartype == 'n/y': |
231 | result = dlg.noyes(comment, default) |
236 | result = dlg.noyes(comment, default) |
232 | elif vartype == 'choice': |
237 | elif vartype == 'choice': |
233 | defopt = None |
238 | defopt = None |
234 | if default is not None: |
239 | if default is not None: |
235 | for i,(key,val) in enumerate(choices): |
240 | for i,(key,val) in enumerate(choices): |
236 | if key == default: |
241 | if key == default: |
237 | defopt = i |
242 | defopt = i |
238 | break |
243 | break |
239 | result = dlg.choice(comment, choices, defopt) |
244 | result = dlg.choice(comment, choices, defopt) |
240 | else: |
245 | else: |
241 | raise RuntimeError("Bad method: %s" % vartype) |
246 | raise RuntimeError("Bad method: %s" % vartype) |
242 | outf.write('%s = %s\n' % (varname, result)) |
247 | outf.write('%s = %s\n' % (varname, result)) |
243 | # Remeber the selected value |
248 | # Remeber the selected value |
244 | defaults[varname] = result |
249 | defaults[varname] = result |
245 | # Clear cumulated values |
250 | # Clear cumulated values |
246 | comment = '' |
251 | comment = '' |
247 | default = None |
252 | default = None |
248 | choices = [] |
253 | choices = [] |
249 | continue |
254 | continue |
250 | 255 | ||
251 | if line.startswith('@'): |
256 | if line.startswith('@'): |
- | 257 | # Add new line into the 'choice array' |
|
252 | res = re.match(r'@\s*(?:\[(.*?)\])?\s*"(.*?)"\s*(.*)$', line) |
258 | res = re.match(r'@\s*(?:\[(.*?)\])?\s*"(.*?)"\s*(.*)$', line) |
253 | if not res: |
259 | if not res: |
254 | raise RuntimeError("Bad line: %s" % line) |
260 | raise RuntimeError("Bad line: %s" % line) |
255 | if res.group(1): |
261 | if res.group(1): |
256 | if not check_condition(res.group(1),defaults): |
262 | if not check_condition(res.group(1),defaults): |
257 | continue |
263 | continue |
258 | choices.append((res.group(2), res.group(3))) |
264 | choices.append((res.group(2), res.group(3))) |
259 | continue |
265 | continue |
260 | 266 | ||
- | 267 | # All other things print to output file |
|
261 | outf.write(line) |
268 | outf.write(line) |
262 | if re.match(r'^#[^#]', line): |
269 | if re.match(r'^#[^#]', line): |
- | 270 | # Last comment before question will be displayed to the user |
|
263 | comment = line[1:].strip() |
271 | comment = line[1:].strip() |
264 | elif line.startswith('##'): |
272 | elif line.startswith('##'): |
- | 273 | # Set title of the dialog window |
|
265 | dlg.set_title(line[2:].strip()) |
274 | dlg.set_title(line[2:].strip()) |
266 | 275 | ||
267 | outf.close() |
276 | outf.close() |
268 | f.close() |
277 | f.close() |
269 | 278 | ||
270 | def main(): |
279 | def main(): |
271 | defaults = {'ARCH':None} |
280 | defaults = {'ARCH':None} |
272 | try: |
281 | try: |
273 | dlg = Dialog() |
282 | dlg = Dialog() |
274 | except NotImplementedError: |
283 | except NotImplementedError: |
275 | dlg = NoDialog() |
284 | dlg = NoDialog() |
276 | 285 | ||
277 | # Default run will update the configuration file |
286 | # Default run will update the configuration file |
278 | # with newest options |
287 | # with newest options |
279 | if len(sys.argv) >= 2: |
288 | if len(sys.argv) >= 2: |
280 | defaults['ARCH'] = sys.argv[1] |
289 | defaults['ARCH'] = sys.argv[1] |
281 | if len(sys.argv) == 3 and sys.argv[2]=='default': |
290 | if len(sys.argv) == 3 and sys.argv[2]=='default': |
282 | dlg = DefaultDialog(dlg) |
291 | dlg = DefaultDialog(dlg) |
283 | 292 | ||
284 | if os.path.exists(OUTPUT): |
293 | if os.path.exists(OUTPUT): |
285 | read_defaults(OUTPUT, defaults) |
294 | read_defaults(OUTPUT, defaults) |
286 | 295 | ||
287 | parse_config(INPUT, TMPOUTPUT, dlg, defaults) |
296 | parse_config(INPUT, TMPOUTPUT, dlg, defaults) |
288 | if os.path.exists(OUTPUT): |
297 | if os.path.exists(OUTPUT): |
289 | os.unlink(OUTPUT) |
298 | os.unlink(OUTPUT) |
290 | os.rename(TMPOUTPUT, OUTPUT) |
299 | os.rename(TMPOUTPUT, OUTPUT) |
291 | 300 | ||
292 | 301 | ||
293 | if __name__ == '__main__': |
302 | if __name__ == '__main__': |
294 | main() |
303 | main() |
295 | 304 |