SALOME platform Git repositories - tools/sat.git/blob

1 #!/usr/bin/env python

2 #-*- coding:utf-8 -*-

4 #

5 # This library is free software; you can redistribute it and/or

6 # modify it under the terms of the GNU Lesser General Public

7 # License as published by the Free Software Foundation; either

8 # version 2.1 of the License.

9 #

10 # This library is distributed in the hope that it will be useful,

11 # but WITHOUT ANY WARRANTY; without even the implied warranty of

12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU

13 # Lesser General Public License for more details.

14 #

15 # You should have received a copy of the GNU Lesser General Public

16 # License along with this library; if not, write to the Free Software

17 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA

18

19 '''This file is the main entry file to salomeTools

20 '''

21

22 # python imports

23 import os

24 import sys

25 import tempfile

26 import imp

27 import types

28 import gettext

29

30 # salomeTools imports

31 import src

32

33 # get path to salomeTools sources

34 satdir = os.path.dirname(os.path.realpath(__file__))

35 cmdsdir = os.path.join(satdir, 'commands')

36

37 # Make the src package accessible from all code

38 sys.path.append(satdir)

39 sys.path.append(cmdsdir)

40

41 import config

42

43 # load resources for internationalization

44 #es = gettext.translation('salomeTools', os.path.join(satdir, 'src', 'i18n'))

45 #es.install()

46 gettext.install('salomeTools', os.path.join(satdir, 'src', 'i18n'))

47

48 # The possible hooks :

49 # pre is for hooks to be executed before commands

50 # post is for hooks to be executed after commands

51 C_PRE_HOOK = "pre"

52 C_POST_HOOK = "post"

53

54 def find_command_list(dirPath):

55 ''' Parse files in dirPath that end with .py : it gives commands list

56

57 :param dirPath str: The directory path where to search the commands

58 :return: cmd_list : the list containing the commands name

59 :rtype: list

60 '''

61 cmd_list = []

62 for item in os.listdir(dirPath):

63 if item.endswith('.py'):

64 cmd_list.append(item[:-len('.py')])

65 return cmd_list

66

67 # The list of valid salomeTools commands

68 #lCommand = ['config', 'compile', 'prepare']

69 lCommand = find_command_list(cmdsdir)

70

71 # Define all possible option for salomeTools command : sat <option> <args>

72 parser = src.options.Options()

73 parser.add_option('h', 'help', 'boolean', 'help',

74 _("shows global help or help on a specific command."))

75 parser.add_option('o', 'overwrite', 'list', "overwrite",

76 _("overwrites a configuration parameters."))

77 parser.add_option('g', 'debug', 'boolean', 'debug_mode',

78 _("run salomeTools in debug mode."))

79 parser.add_option('v', 'verbose', 'int', "output_verbose_level",

80 _("change output verbose level (default is 3)."))

81 parser.add_option('b', 'batch', 'boolean', "batch",

82 _("batch mode (no question)."))

83 parser.add_option('t', 'all_in_terminal', 'boolean', "all_in_terminal",

84 _("All traces in the terminal (for example compilation logs)."))

85 parser.add_option('l', 'logs_paths_in_file', 'string', "logs_paths_in_file",

86 _("Put the command result and paths to log files in ."))

87

88 class Sat(object):

89 '''The main class that stores all the commands of salomeTools

90 '''

91 def __init__(self, opt='', datadir=None):

92 '''Initialization

93

94 :param opt str: The sat options

95 :param: datadir str : the directory that contain all the external

96 data (like software pyconf and software scripts)

97 '''

98 # Read the salomeTools options (the list of possible options is

99 # at the beginning of this file)

100 try:

101 (options, argus) = parser.parse_args(opt.split(' '))

102 except Exception as exc:

103 write_exception(exc)

104 sys.exit(-1)

105

106 # initialization of class attributes

107 self.__dict__ = dict()

108 self.cfg = None # the config that will be read using pyconf module

109 self.arguments = opt

110 self.options = options # the options passed to salomeTools

111 self.datadir = datadir # default value will be <salomeTools root>/data

112 # set the commands by calling the dedicated function

113 self._setCommands(cmdsdir)

114

115 # if the help option has been called, print help and exit

116 if options.help:

117 try:

118 self.print_help(argus)

119 sys.exit(0)

120 except Exception as exc:

121 write_exception(exc)

122 sys.exit(1)

123

124 def __getattr__(self, name):

125 ''' overwrite of __getattr__ function in order to display

126 a customized message in case of a wrong call

127

128 :param name str: The name of the attribute

129 '''

130 if name in self.__dict__:

131 return self.__dict__[name]

132 else:

133 raise AttributeError(name + _(" is not a valid command"))

134

135 def _setCommands(self, dirPath):

136 '''set class attributes corresponding to all commands that are

137 in the dirPath directory

138

139 :param dirPath str: The directory path containing the commands

140 '''

141 # loop on the commands name

142 for nameCmd in lCommand:

143

144 # Exception for the jobs command that requires the paramiko module

145 if nameCmd == "jobs":

146 try:

147 saveout = sys.stderr

148 ff = tempfile.TemporaryFile()

149 sys.stderr = ff

150 import paramiko

151 sys.stderr = saveout

152 except:

153 sys.stderr = saveout

154 continue

155

156 # load the module that has name nameCmd in dirPath

157 (file_, pathname, description) = imp.find_module(nameCmd, [dirPath])

158 module = imp.load_module(nameCmd, file_, pathname, description)

159

160 def run_command(args='', batch = False, verbose = -1, logger_add_link = None):

161 '''The function that will load the configuration (all pyconf)

162 and return the function run of the command corresponding to module

163

164 :param args str: The directory path containing the commands

165 '''

166 # Make sure the internationalization is available

167 gettext.install('salomeTools', os.path.join(satdir, 'src', 'i18n'))

168

169 # Get the arguments in a list and remove the empty elements

170 argv_0 = args.split(" ")

171 if argv_0 != ['']:

172 while "" in argv_0: argv_0.remove("")

173

174 # Format the argv list in order to prevent strings

175 # that contain a blank to be separated

176 argv = []

177 elem_old = ""

178 for elem in argv_0:

179 if argv == [] or elem_old.startswith("-") or elem.startswith("-"):

180 argv.append(elem)

181 else:

182 argv[-1] += " " + elem

183 elem_old = elem

184

185 # if it is provided by the command line, get the application

186 appliToLoad = None

187 if argv != [''] and argv[0][0] != "-":

188 appliToLoad = argv[0].rstrip('*')

189 argv = argv[1:]

190

191 # read the configuration from all the pyconf files

192 cfgManager = config.ConfigManager()

193 self.cfg = cfgManager.get_config(datadir=self.datadir,

194 application=appliToLoad,

195 options=self.options,

196 command=__nameCmd__)

197

198 # Set the verbose mode if called

199 if verbose > -1:

200 verbose_save = self.options.output_verbose_level

201 self.options.__setattr__("output_verbose_level", verbose)

202

203 # Set batch mode if called

204 if batch:

205 batch_save = self.options.batch

206 self.options.__setattr__("batch", True)

207

208 # set output level

209 if self.options.output_verbose_level is not None:

210 self.cfg.USER.output_verbose_level = self.options.output_verbose_level

211 if self.cfg.USER.output_verbose_level < 1:

212 self.cfg.USER.output_verbose_level = 0

213 silent = (self.cfg.USER.output_verbose_level == 0)

214

215 # create log file

216 micro_command = False

217 if logger_add_link:

218 micro_command = True

219 logger_command = src.logger.Logger(self.cfg,

220 silent_sysstd=silent,

221 all_in_terminal=self.options.all_in_terminal,

222 micro_command=micro_command)

223

224 # Check that the path given by the logs_paths_in_file option

225 # is a file path that can be written

226 if self.options.logs_paths_in_file:

227 try:

228 self.options.logs_paths_in_file = os.path.abspath(

229 self.options.logs_paths_in_file)

230 dir_file = os.path.dirname(self.options.logs_paths_in_file)

231 if not os.path.exists(dir_file):

232 os.makedirs(dir_file)

233 if os.path.exists(self.options.logs_paths_in_file):

234 os.remove(self.options.logs_paths_in_file)

235 file_test = open(self.options.logs_paths_in_file, "w")

236 file_test.close()

237 except Exception as e:

238 msg = _("WARNING: the logs_paths_in_file option will "

239 "not be taken into account.\nHere is the error:")

240 logger_command.write("%s\n%s\n\n" % (src.printcolors.printcWarning(msg), str(e)))

241 self.options.logs_paths_in_file = None

242

243 try:

244 res = None

245 # Execute the hooks (if there is any)

246 # and run method of the command

247 self.run_hook(__nameCmd__, C_PRE_HOOK, logger_command)

248 res = __module__.run(argv, self, logger_command)

249 self.run_hook(__nameCmd__, C_POST_HOOK, logger_command)

250

251 # set res if it is not set in the command

252 if res is None:

253 res = 0

254

255 # come back in the original batch mode if

256 # batch argument was called

257 if batch:

258 self.options.__setattr__("batch", batch_save)

259

260 # come back in the original verbose mode if

261 # verbose argument was called

262 if verbose > -1:

263 self.options.__setattr__("output_verbose_level",

264 verbose_save)

265 # put final attributes in xml log file

266 # (end time, total time, ...) and write it

267 launchedCommand = ' '.join([self.cfg.VARS.salometoolsway +

268 os.path.sep +

269 'sat',

270 __nameCmd__,

271 args])

272 launchedCommand = launchedCommand.replace('"', "'")

273

274 # Add a link to the parent command

275 if logger_add_link is not None:

276 logger_add_link.add_link(logger_command.logFileName,

277 __nameCmd__,

278 res,

279 launchedCommand)

280 logger_add_link.l_logFiles += logger_command.l_logFiles

281

282 finally:

283 launchedCommand = ' '.join([self.cfg.VARS.salometoolsway +

284 os.path.sep +

285 'sat',

286 __nameCmd__,

287 args])

288 launchedCommand = launchedCommand.replace('"', "'")

289

290 # Put the final attributes corresponding to end time and

291 # Write the file to the hard drive

292 logger_command.end_write(

293 {"launchedCommand" : launchedCommand})

294

295 if res != 0:

296 res = 1

297 # If the logs_paths_in_file was called, write the result

298 # and log files in the given file path

299 if self.options.logs_paths_in_file:

300 file_res = open(self.options.logs_paths_in_file, "w")

301 file_res.write(str(res) + "\n")

302 for i, filepath in enumerate(logger_command.l_logFiles):

303 file_res.write(filepath)

304 if i < len(logger_command.l_logFiles):

305 file_res.write("\n")

306

307 return res

308

309 # Make sure that run_command will be redefined

310 # at each iteration of the loop

311 globals_up = {}

312 globals_up.update(run_command.__globals__)

313 globals_up.update({'__nameCmd__': nameCmd, '__module__' : module})

314 func = types.FunctionType(run_command.__code__,

315 globals_up,

316 run_command.__name__,

317 run_command.__defaults__,

318 run_command.__closure__)

319

320 # set the attribute corresponding to the command

321 self.__setattr__(nameCmd, func)

322

323 def run_hook(self, cmd_name, hook_type, logger):

324 '''Execute a hook file for a given command regarding the fact

325 it is pre or post

326

327 :param cmd_name str: The the command on which execute the hook

328 :param hook_type str: pre or post

329 :param logger Logger: the logging instance to use for the prints

330 '''

331 # The hooks must be defined in the application pyconf

332 # So, if there is no application, do not do anything

333 if not src.config_has_application(self.cfg):

334 return

335

336 # The hooks must be defined in the application pyconf in the

337 # APPLICATION section, hook : { command : 'script_path.py'}

338 if "hook" not in self.cfg.APPLICATION \

339 or cmd_name not in self.cfg.APPLICATION.hook:

340 return

341

342 # Get the hook_script path and verify that it exists

343 hook_script_path = self.cfg.APPLICATION.hook[cmd_name]

344 if not os.path.exists(hook_script_path):

345 raise src.SatException(_("Hook script not found: %s") %

346 hook_script_path)

347

348 # Try to execute the script, catch the exception if it fails

349 try:

350 # import the module (in the sense of python)

351 pymodule = imp.load_source(cmd_name, hook_script_path)

352

353 # format a message to be printed at hook execution

354 msg = src.printcolors.printcWarning(_("Run hook script"))

355 msg = "%s: %s\n" % (msg,

356 src.printcolors.printcInfo(hook_script_path))

357

358 # run the function run_pre_hook if this function is called

359 # before the command, run_post_hook if it is called after

360 if hook_type == C_PRE_HOOK and "run_pre_hook" in dir(pymodule):

361 logger.write(msg, 1)

362 pymodule.run_pre_hook(self.cfg, logger)

363 elif hook_type == C_POST_HOOK and "run_post_hook" in dir(pymodule):

364 logger.write(msg, 1)

365 pymodule.run_post_hook(self.cfg, logger)

366

367 except Exception as exc:

368 msg = _("Unable to run hook script: %s") % hook_script_path

369 msg += "\n" + str(exc)

370 raise src.SatException(msg)

371

372 def print_help(self, opt):

373 '''Prints help for a command. Function called when "sat -h <command>"

374

375 :param argv str: the options passed (to get the command name)

376 '''

377 # if no command as argument (sat -h)

378 if len(opt)==0:

379 print_help()

380 return

381 # get command name

382 command = opt[0]

383 # read the configuration from all the pyconf files

384 cfgManager = config.ConfigManager()

385 self.cfg = cfgManager.get_config(datadir=self.datadir)

386

387 # Check if this command exists

388 if not hasattr(self, command):

389 raise src.SatException(_("Command '%s' does not exist") % command)

390

391 # Print salomeTools version

392 print_version()

393

394 # load the module

395 module = self.get_module(command)

396

397 # print the description of the command that is done in the command file

398 if hasattr( module, "description" ) :

399 print(src.printcolors.printcHeader( _("Description:") ))

400 print(module.description() + '\n')

401

402 # print the description of the command options

403 if hasattr( module, "parser" ) :

404 module.parser.print_help()

405

406 def get_module(self, module):

407 '''Loads a command. Function called only by print_help

408

409 :param module str: the command to load

410 '''

411 # Check if this command exists

412 if not hasattr(self, module):

413 raise src.SatException(_("Command '%s' does not exist") % module)

414

415 # load the module

416 (file_, pathname, description) = imp.find_module(module, [cmdsdir])

417 module = imp.load_module(module, file_, pathname, description)

418 return module

419

420 def print_version():

421 '''prints salomeTools version (in src/internal_config/salomeTools.pyconf)

422 '''

423 # read the config

424 cfgManager = config.ConfigManager()

425 cfg = cfgManager.get_config()

426 # print the key corresponding to salomeTools version

427 print(src.printcolors.printcHeader( _("Version: ") ) +

428 cfg.INTERNAL.sat_version + '\n')

429

430

431 def print_help():

432 '''prints salomeTools general help

433

434 :param options str: the options

435 '''

436 print_version()

437

438 print(src.printcolors.printcHeader( _("Usage: ") ) +

439 "sat [sat_options] <command> [product] [command_options]\n")

440

441 parser.print_help()

442

443 # display all the available commands.

444 print(src.printcolors.printcHeader(_("Available commands are:\n")))

445 for command in lCommand:

446 print(" - %s" % (command))

447

448 # Explain how to get the help for a specific command

449 print(src.printcolors.printcHeader(_("\nGetting the help for a specific"

450 " command: ")) + "sat --help <command>\n")

451

452 def write_exception(exc):

453 '''write exception in case of error in a command

454

455 :param exc exception: the exception to print

456 '''

457 sys.stderr.write("\n***** ")

458 sys.stderr.write(src.printcolors.printcError("salomeTools ERROR:"))

459 sys.stderr.write("\n" + str(exc) + "\n")

460

461 # ###############################

462 # MAIN : terminal command usage #

463 # ###############################

464 if __name__ == "__main__":

465 # Initialize the code that will be returned by the terminal command

466 code = 0

467 (options, args) = parser.parse_args(sys.argv[1:])

468

469 # no arguments : print general help

470 if len(args) == 0:

471 print_help()

472 sys.exit(0)

473

474 # instantiate the salomeTools class with correct options

475 sat = Sat(' '.join(sys.argv[1:]))

476 # the command called

477 command = args[0]

478 # get dynamically the command function to call

479 fun_command = sat.__getattr__(command)

480 # call the command with two cases : mode debug or not

481 if options.debug_mode:

482 # call classically the command and if it fails,

483 # show exception and stack (usual python mode)

484 code = fun_command(' '.join(args[1:]))

485 else:

486 # catch exception in order to show less verbose but elegant message

487 try:

488 code = fun_command(' '.join(args[1:]))

489 except Exception as exc:

490 code = 1

491 write_exception(exc)

492

493 # exit salomeTools with the right code (0 if no errors, else 1)

494 if code is None: code = 0

495 sys.exit(code)

496