module-tools.py

   1 #!/usr/bin/python -u
   2
   3 import sys, os
   4 import re
   5 import time
   6 from glob import glob
   7 from optparse import OptionParser
   8
   9 # HARDCODED NAME CHANGES
  10 #
  11 # Moving to git we decided to rename some of the repositories. Here is
  12 # a map of name changes applied in git repositories.
  13 RENAMED_SVN_MODULES = {
  14     "PLEWWW": "plewww",
  15     "PLCAPI": "plcapi"
  16     }
  17
  18 def svn_to_git_name(module):
  19     if RENAMED_SVN_MODULES.has_key(module):
  20         return RENAMED_SVN_MODULES[module]
  21     return module
  22
  23 def git_to_svn_name(module):
  24     for key in RENAMED_SVN_MODULES:
  25         if module == RENAMED_SVN_MODULES[key]:
  26             return key
  27     return module
  28
  29
  30 # e.g. other_choices = [ ('d','iff') , ('g','uess') ] - lowercase
  31 def prompt (question,default=True,other_choices=[],allow_outside=False):
  32     if not isinstance (other_choices,list):
  33         other_choices = [ other_choices ]
  34     chars = [ c for (c,rest) in other_choices ]
  35
  36     choices = []
  37     if 'y' not in chars:
  38         if default is True: choices.append('[y]')
  39         else : choices.append('y')
  40     if 'n' not in chars:
  41         if default is False: choices.append('[n]')
  42         else : choices.append('n')
  43
  44     for (char,choice) in other_choices:
  45         if default == char:
  46             choices.append("["+char+"]"+choice)
  47         else:
  48             choices.append("<"+char+">"+choice)
  49     try:
  50         answer=raw_input(question + " " + "/".join(choices) + " ? ")
  51         if not answer:
  52             return default
  53         answer=answer[0].lower()
  54         if answer == 'y':
  55             if 'y' in chars: return 'y'
  56             else: return True
  57         elif answer == 'n':
  58             if 'n' in chars: return 'n'
  59             else: return False
  60         elif other_choices:
  61             for (char,choice) in other_choices:
  62                 if answer == char:
  63                     return char
  64             if allow_outside:
  65                 return answer
  66         return prompt(question,default,other_choices)
  67     except:
  68         raise
  69
  70 def default_editor():
  71     try:
  72         editor = os.environ['EDITOR']
  73     except:
  74         editor = "emacs"
  75     return editor
  76
  77 ### fold long lines
  78 fold_length=132
  79
  80 def print_fold (line):
  81     while len(line) >= fold_length:
  82         print line[:fold_length],'\\'
  83         line=line[fold_length:]
  84     print line
  85
  86 class Command:
  87     def __init__ (self,command,options):
  88         self.command=command
  89         self.options=options
  90         self.tmp="/tmp/command-%d"%os.getpid()
  91
  92     def run (self):
  93         if self.options.dry_run:
  94             print 'dry_run',self.command
  95             return 0
  96         if self.options.verbose and self.options.mode not in Main.silent_modes:
  97             print '+',self.command
  98             sys.stdout.flush()
  99         return os.system(self.command)
 100
 101     def run_silent (self):
 102         if self.options.dry_run:
 103             print 'dry_run',self.command
 104             return 0
 105         if self.options.verbose:
 106             print '+',self.command,' .. ',
 107             sys.stdout.flush()
 108         retcod=os.system(self.command + " &> " + self.tmp)
 109         if retcod != 0:
 110             print "FAILED ! -- out+err below (command was %s)"%self.command
 111             os.system("cat " + self.tmp)
 112             print "FAILED ! -- end of quoted output"
 113         elif self.options.verbose:
 114             print "OK"
 115         os.unlink(self.tmp)
 116         return retcod
 117
 118     def run_fatal(self):
 119         if self.run_silent() !=0:
 120             raise Exception,"Command %s failed"%self.command
 121
 122     # returns stdout, like bash's $(mycommand)
 123     def output_of (self,with_stderr=False):
 124         if self.options.dry_run:
 125             print 'dry_run',self.command
 126             return 'dry_run output'
 127         tmp="/tmp/status-%d"%os.getpid()
 128         if self.options.debug:
 129             print '+',self.command,' .. ',
 130             sys.stdout.flush()
 131         command=self.command
 132         if with_stderr:
 133             command += " &> "
 134         else:
 135             command += " > "
 136         command += tmp
 137         os.system(command)
 138         result=file(tmp).read()
 139         os.unlink(tmp)
 140         if self.options.debug:
 141             print 'Done',
 142         return result
 143
 144
 145 class SvnRepository:
 146     type = "svn"
 147
 148     def __init__(self, path, options):
 149         self.path = path
 150         self.options = options
 151
 152     def name(self):
 153         return os.path.basename(self.path)
 154
 155     def url(self):
 156         out = Command("svn info %s" % self.path, self.options).output_of()
 157         for line in out.split('\n'):
 158             if line.startswith("URL:"):
 159                 return line.split()[1].strip()
 160
 161     def repo_root(self):
 162         out = Command("svn info %s" % self.path, self.options).output_of()
 163         for line in out.split('\n'):
 164             if line.startswith("Repository Root:"):
 165                 root = line.split()[2].strip()
 166                 return "%s/%s" % (root, self.name())
 167
 168     @classmethod
 169     def checkout(cls, remote, local, options, recursive=False):
 170         if recursive:
 171             svncommand = "svn co %s %s" % (remote, local)
 172         else:
 173             svncommand = "svn co -N %s %s" % (remote, local)
 174         Command("rm -rf %s" % local, options).run_silent()
 175         Command(svncommand, options).run_fatal()
 176
 177         return SvnRepository(local, options)
 178
 179     @classmethod
 180     def remote_exists(cls, remote):
 181         return os.system("svn list %s &> /dev/null" % remote) == 0
 182
 183     def tag_exists(self, tagname):
 184         url = "%s/tags/%s" % (self.repo_root(), tagname)
 185         return SvnRepository.remote_exists(url)
 186
 187     def update(self, subdir="", recursive=True, branch=None):
 188         path = os.path.join(self.path, subdir)
 189         if recursive:
 190             svncommand = "svn up %s" % path
 191         else:
 192             svncommand = "svn up -N %s" % path
 193         Command(svncommand, self.options).run_fatal()
 194
 195     def commit(self, logfile):
 196         # add all new files to the repository
 197         Command("svn status %s | grep '^\?' | sed -e 's/? *//' | sed -e 's/ /\\ /g' | xargs svn add" %
 198                 self.path, self.options).output_of()
 199         Command("svn commit -F %s %s" % (logfile, self.path), self.options).run_fatal()
 200
 201     def to_branch(self, branch):
 202         remote = "%s/branches/%s" % (self.repo_root(), branch)
 203         SvnRepository.checkout(remote, self.path, self.options, recursive=True)
 204
 205     def to_tag(self, tag):
 206         remote = "%s/tags/%s" % (self.repo_root(), branch)
 207         SvnRepository.checkout(remote, self.path, self.options, recursive=True)
 208
 209     def tag(self, tagname, logfile):
 210         tag_url = "%s/tags/%s" % (self.repo_root(), tagname)
 211         self_url = self.url()
 212         Command("svn copy -F %s %s %s" % (logfile, self_url, tag_url), self.options).run_fatal()
 213
 214     def diff(self, f=""):
 215         if f:
 216             f = os.path.join(self.path, f)
 217         else:
 218             f = self.path
 219         return Command("svn diff %s" % f, self.options).output_of(True)
 220
 221     def diff_with_tag(self, tagname):
 222         tag_url = "%s/tags/%s" % (self.repo_root(), tagname)
 223         return Command("svn diff %s %s" % (tag_url, self.url()),
 224                        self.options).output_of(True)
 225
 226     def revert(self, f=""):
 227         if f:
 228             Command("svn revert %s" % os.path.join(self.path, f), self.options).run_fatal()
 229         else:
 230             # revert all
 231             Command("svn revert %s -R" % self.path, self.options).run_fatal()
 232             Command("svn status %s | grep '^\?' | sed -e 's/? *//' | sed -e 's/ /\\ /g' | xargs rm -rf " %
 233                     self.path, self.options).run_silent()
 234
 235     def is_clean(self):
 236         command="svn status %s" % self.path
 237         return len(Command(command,self.options).output_of(True)) == 0
 238
 239     def is_valid(self):
 240         return os.path.exists(os.path.join(self.path, ".svn"))
 241
 242
 243 class GitRepository:
 244     type = "git"
 245
 246     def __init__(self, path, options):
 247         self.path = path
 248         self.options = options
 249
 250     def name(self):
 251         return os.path.basename(self.path)
 252
 253     def url(self):
 254         self.repo_root()
 255
 256     def repo_root(self):
 257         c = Command("git remote show origin", self.options)
 258         out = self.__run_in_repo(c.output_of)
 259         for line in out.split('\n'):
 260             if line.strip().startswith("Fetch URL:"):
 261                 repo = line.split()[2]
 262
 263     @classmethod
 264     def checkout(cls, remote, local, options, depth=1):
 265         Command("rm -rf %s" % local, options).run_silent()
 266         Command("git clone --depth %d %s %s" % (depth, remote, local), options).run_fatal()
 267         return GitRepository(local, options)
 268
 269     @classmethod
 270     def remote_exists(cls, remote):
 271         return os.system("git --no-pager ls-remote %s &> /dev/null" % remote) == 0
 272
 273     def tag_exists(self, tagname):
 274         command = 'git tag -l | grep "^%s$"' % tagname
 275         c = Command(command, self.options)
 276         out = self.__run_in_repo(c.output_of, with_stderr=True)
 277         return len(out) > 0
 278
 279     def __run_in_repo(self, fun, *args, **kwargs):
 280         cwd = os.getcwd()
 281         os.chdir(self.path)
 282         ret = fun(*args, **kwargs)
 283         os.chdir(cwd)
 284         return ret
 285
 286     def __run_command_in_repo(self, command, ignore_errors=False):
 287         c = Command(command, self.options)
 288         if ignore_errors:
 289             return self.__run_in_repo(c.output_of)
 290         else:
 291             return self.__run_in_repo(c.run_fatal)
 292
 293     def update(self, subdir=None, recursive=None, branch="master"):
 294         self.__run_command_in_repo("git fetch origin --tags")
 295         self.__run_command_in_repo("git fetch origin")
 296         self.__run_command_in_repo("git merge --ff origin/%s" % branch)
 297
 298     def to_branch(self, branch, remote=True):
 299         if remote:
 300             branch = "origin/%s" % branch
 301         return self.__run_command_in_repo("git checkout %s" % branch)
 302
 303     def to_tag(self, tag):
 304         return self.__run_command_in_repo("git checkout %s" % tag)
 305
 306     def tag(self, tagname, logfile):
 307         self.__run_command_in_repo("git tag %s -F %s" % (tagname, logfile))
 308         self.commit(logfile)
 309
 310     def diff(self, f=""):
 311         c = Command("git diff %s" % f, self.options)
 312         return self.__run_in_repo(c.output_of, with_stderr=True)
 313
 314     def diff_with_tag(self, tagname):
 315         c = Command("git diff %s" % tagname, self.options)
 316         return self.__run_in_repo(c.output_of, with_stderr=True)
 317
 318     def commit(self, logfile):
 319         self.__run_command_in_repo("git add .", ignore_errors=True)
 320         self.__run_command_in_repo("git add -u", ignore_errors=True)
 321         self.__run_command_in_repo("git commit -F  %s" % logfile, ignore_errors=True)
 322         self.__run_command_in_repo("git push")
 323         self.__run_command_in_repo("git push --tags")
 324
 325     def revert(self, f=""):
 326         if f:
 327             self.__run_command_in_repo("git checkout %s" % f)
 328         else:
 329             # revert all
 330             self.__run_command_in_repo("git --no-pager reset --hard")
 331             self.__run_command_in_repo("git --no-pager clean -f")
 332
 333     def is_clean(self):
 334         def check_commit():
 335             command="git status"
 336             s="nothing to commit (working directory clean)"
 337             return Command(command, self.options).output_of(True).find(s) >= 0
 338         return self.__run_in_repo(check_commit)
 339
 340     def is_valid(self):
 341         return os.path.exists(os.path.join(self.path, ".git"))
 342
 343
 344 class Repository:
 345     """ Generic repository """
 346     supported_repo_types = [SvnRepository, GitRepository]
 347
 348     def __init__(self, path, options):
 349         self.path = path
 350         self.options = options
 351         for repo in self.supported_repo_types:
 352             self.repo = repo(self.path, self.options)
 353             if self.repo.is_valid():
 354                 break
 355
 356     @classmethod
 357     def has_moved_to_git(cls, module, config):
 358         module = git_to_svn_name(module)
 359         # check if the module is already in Git
 360 #        return SvnRepository.remote_exists("%s/%s/aaaa-has-moved-to-git" % (config['svnpath'], module))
 361         return GitRepository.remote_exists(Module.git_remote_dir(module))
 362
 363
 364     @classmethod
 365     def remote_exists(cls, remote):
 366         for repo in Repository.supported_repo_types:
 367             if repo.remote_exists(remote):
 368                 return True
 369         return False
 370
 371     def __getattr__(self, attr):
 372         return getattr(self.repo, attr)
 373
 374
 375
 376 # support for tagged module is minimal, and is for the Build class only
 377 class Module:
 378
 379     svn_magic_line="--This line, and those below, will be ignored--"
 380     setting_tag_format = "Setting tag %s"
 381
 382     redirectors=[ # ('module_name_varname','name'),
 383                   ('module_version_varname','version'),
 384                   ('module_taglevel_varname','taglevel'), ]
 385
 386     # where to store user's config
 387     config_storage="CONFIG"
 388     #
 389     config={}
 390
 391     import commands
 392     configKeys=[ ('svnpath',"Enter your toplevel svnpath",
 393                   "svn+ssh://%s@svn.planet-lab.org/svn/"%commands.getoutput("id -un")),
 394                  ('gitserver', "Enter your git server's hostname", "git.onelab.eu"),
 395                  ('gituser', "Enter your user name (login name) on git server", commands.getoutput("id -un")),
 396                  ("build", "Enter the name of your build module","build"),
 397                  ('username',"Enter your firstname and lastname for changelogs",""),
 398                  ("email","Enter your email address for changelogs",""),
 399                  ]
 400
 401     @classmethod
 402     def prompt_config_option(cls, key, message, default):
 403         cls.config[key]=raw_input("%s [%s] : "%(message,default)).strip() or default
 404
 405     @classmethod
 406     def prompt_config (cls):
 407         for (key,message,default) in cls.configKeys:
 408             cls.config[key]=""
 409             while not cls.config[key]:
 410                 cls.prompt_config_option(key, message, default)
 411
 412
 413     # for parsing module spec name:branch
 414     matcher_branch_spec=re.compile("\A(?P<name>[\w\.-]+):(?P<branch>[\w\.-]+)\Z")
 415     # special form for tagged module - for Build
 416     matcher_tag_spec=re.compile("\A(?P<name>[\w-]+)@(?P<tagname>[\w\.-]+)\Z")
 417     # parsing specfiles
 418     matcher_rpm_define=re.compile("%(define|global)\s+(\S+)\s+(\S*)\s*")
 419
 420     def __init__ (self,module_spec,options):
 421         # parse module spec
 422         attempt=Module.matcher_branch_spec.match(module_spec)
 423         if attempt:
 424             self.name=attempt.group('name')
 425             self.branch=attempt.group('branch')
 426         else:
 427             attempt=Module.matcher_tag_spec.match(module_spec)
 428             if attempt:
 429                 self.name=attempt.group('name')
 430                 self.tagname=attempt.group('tagname')
 431             else:
 432                 self.name=module_spec
 433
 434         # when available prefer to use git module name internally
 435         self.name = svn_to_git_name(self.name)
 436
 437         self.options=options
 438         self.module_dir="%s/%s"%(options.workdir,self.name)
 439         self.repository = None
 440         self.build = None
 441
 442     def run (self,command):
 443         return Command(command,self.options).run()
 444     def run_fatal (self,command):
 445         return Command(command,self.options).run_fatal()
 446     def run_prompt (self,message,fun, *args):
 447         fun_msg = "%s(%s)" % (fun.func_name, ",".join(args))
 448         if not self.options.verbose:
 449             while True:
 450                 choice=prompt(message,True,('s','how'))
 451                 if choice is True:
 452                     fun(*args)
 453                     return
 454                 elif choice is False:
 455                     print 'About to run function:', fun_msg
 456         else:
 457             question=message+" - want to run function: " + fun_msg
 458             if prompt(question,True):
 459                 fun(*args)
 460
 461     def friendly_name (self):
 462         if hasattr(self,'branch'):
 463             return "%s:%s"%(self.name,self.branch)
 464         elif hasattr(self,'tagname'):
 465             return "%s@%s"%(self.name,self.tagname)
 466         else:
 467             return self.name
 468
 469     @classmethod
 470     def git_remote_dir (cls, name):
 471         return "%s@%s:/git/%s.git" % (cls.config['gituser'], cls.config['gitserver'], name)
 472
 473     @classmethod
 474     def svn_remote_dir (cls, name):
 475         name = git_to_svn_name(name)
 476         svn = cls.config['svnpath']
 477         if svn.endswith('/'):
 478             return "%s%s" % (svn, name)
 479         return "%s/%s" % (svn, name)
 480
 481     def svn_selected_remote(self):
 482         svn_name = git_to_svn_name(self.name)
 483         remote = self.svn_remote_dir(svn_name)
 484         if hasattr(self,'branch'):
 485             remote = "%s/branches/%s" % (remote, self.branch)
 486         elif hasattr(self,'tagname'):
 487             remote = "%s/tags/%s" % (remote, self.tagname)
 488         else:
 489             remote = "%s/trunk" % remote
 490         return remote
 491
 492     ####################
 493     @classmethod
 494     def init_homedir (cls, options):
 495         if options.verbose and options.mode not in Main.silent_modes:
 496             print 'Checking for', options.workdir
 497         storage="%s/%s"%(options.workdir, cls.config_storage)
 498         # sanity check. Either the topdir exists AND we have a config/storage
 499         # or topdir does not exist and we create it
 500         # to avoid people use their own daily svn repo
 501         if os.path.isdir(options.workdir) and not os.path.isfile(storage):
 502             print """The directory %s exists and has no CONFIG file
 503 If this is your regular working directory, please provide another one as the
 504 module-* commands need a fresh working dir. Make sure that you do not use
 505 that for other purposes than tagging""" % options.workdir
 506             sys.exit(1)
 507
 508         def checkout_build():
 509             print "Checking out build module..."
 510             remote = cls.git_remote_dir(cls.config['build'])
 511             local = os.path.join(options.workdir, cls.config['build'])
 512             GitRepository.checkout(remote, local, options, depth=1)
 513             print "OK"
 514
 515         def store_config():
 516             f=file(storage,"w")
 517             for (key,message,default) in Module.configKeys:
 518                 f.write("%s=%s\n"%(key,Module.config[key]))
 519             f.close()
 520             if options.debug:
 521                 print 'Stored',storage
 522                 Command("cat %s"%storage,options).run()
 523
 524         def read_config():
 525             # read config
 526             f=open(storage)
 527             for line in f.readlines():
 528                 (key,value)=re.compile("^(.+)=(.+)$").match(line).groups()
 529                 Module.config[key]=value
 530             f.close()
 531
 532         if not os.path.isdir (options.workdir):
 533             print "Cannot find",options.workdir,"let's create it"
 534             Command("mkdir -p %s" % options.workdir, options).run_silent()
 535             cls.prompt_config()
 536             checkout_build()
 537             store_config()
 538         else:
 539             read_config()
 540             # check missing config options
 541             old_layout = False
 542             for (key,message,default) in cls.configKeys:
 543                 if not Module.config.has_key(key):
 544                     print "Configuration changed for module-tools"
 545                     cls.prompt_config_option(key, message, default)
 546                     old_layout = True
 547
 548             if old_layout:
 549                 Command("rm -rf %s" % options.workdir, options).run_silent()
 550                 Command("mkdir -p %s" % options.workdir, options).run_silent()
 551                 checkout_build()
 552                 store_config()
 553
 554             build_dir = os.path.join(options.workdir, cls.config['build'])
 555             if not os.path.isdir(build_dir):
 556                 checkout_build()
 557             else:
 558                 build = Repository(build_dir, options)
 559                 if not build.is_clean():
 560                     print "build module needs a revert"
 561                     build.revert()
 562                     print "OK"
 563                 build.update()
 564
 565         if options.verbose and options.mode not in Main.silent_modes:
 566             print '******** Using config'
 567             for (key,message,default) in Module.configKeys:
 568                 print '\t',key,'=',Module.config[key]
 569
 570     def init_module_dir (self):
 571         if self.options.verbose:
 572             print 'Checking for',self.module_dir
 573
 574         if not os.path.isdir (self.module_dir):
 575             if Repository.has_moved_to_git(self.name, Module.config):
 576                 self.repository = GitRepository.checkout(self.git_remote_dir(self.name),
 577                                                          self.module_dir,
 578                                                          self.options)
 579             else:
 580                 remote = self.svn_selected_remote()
 581                 self.repository = SvnRepository.checkout(remote,
 582                                                          self.module_dir,
 583                                                          self.options, recursive=False)
 584
 585         self.repository = Repository(self.module_dir, self.options)
 586         if self.repository.type == "svn":
 587             # check if module has moved to git
 588             if Repository.has_moved_to_git(self.name, Module.config):
 589                 Command("rm -rf %s" % self.module_dir, self.options).run_silent()
 590                 self.init_module_dir()
 591             # check if we have the required branch/tag
 592             if self.repository.url() != self.svn_selected_remote():
 593                 Command("rm -rf %s" % self.module_dir, self.options).run_silent()
 594                 self.init_module_dir()
 595
 596         elif self.repository.type == "git":
 597             if hasattr(self,'branch'):
 598                 self.repository.to_branch(self.branch)
 599             elif hasattr(self,'tagname'):
 600                 self.repository.to_tag(self.tagname)
 601
 602         else:
 603             raise Exception, 'Cannot find %s - check module name'%self.module_dir
 604
 605
 606     def revert_module_dir (self):
 607         if self.options.fast_checks:
 608             if self.options.verbose: print 'Skipping revert of %s' % self.module_dir
 609             return
 610         if self.options.verbose:
 611             print 'Checking whether', self.module_dir, 'needs being reverted'
 612
 613         if not self.repository.is_clean():
 614             self.repository.revert()
 615
 616     def update_module_dir (self):
 617         if self.options.fast_checks:
 618             if self.options.verbose: print 'Skipping update of %s' % self.module_dir
 619             return
 620         if self.options.verbose:
 621             print 'Updating', self.module_dir
 622
 623         if hasattr(self,'branch'):
 624             self.repository.update(branch=self.branch)
 625         elif hasattr(self,'tagname'):
 626             self.repository.update(branch=self.tagname)
 627
 628     def main_specname (self):
 629         attempt="%s/%s.spec"%(self.module_dir,self.name)
 630         if os.path.isfile (attempt):
 631             return attempt
 632         pattern1="%s/*.spec"%self.module_dir
 633         level1=glob(pattern1)
 634         if level1:
 635             return level1[0]
 636         pattern2="%s/*/*.spec"%self.module_dir
 637         level2=glob(pattern2)
 638
 639         if level2:
 640             return level2[0]
 641         raise Exception, 'Cannot guess specfile for module %s -- patterns were %s or %s'%(self.name,pattern1,pattern2)
 642
 643     def all_specnames (self):
 644         level1=glob("%s/*.spec" % self.module_dir)
 645         if level1: return level1
 646         level2=glob("%s/*/*.spec" % self.module_dir)
 647         return level2
 648
 649     def parse_spec (self, specfile, varnames):
 650         if self.options.verbose:
 651             print 'Parsing',specfile,
 652             for var in varnames:
 653                 print "[%s]"%var,
 654             print ""
 655         result={}
 656         f=open(specfile)
 657         for line in f.readlines():
 658             attempt=Module.matcher_rpm_define.match(line)
 659             if attempt:
 660                 (define,var,value)=attempt.groups()
 661                 if var in varnames:
 662                     result[var]=value
 663         f.close()
 664         if self.options.debug:
 665             print 'found',len(result),'keys'
 666             for (k,v) in result.iteritems():
 667                 print k,'=',v
 668         return result
 669
 670     # stores in self.module_name_varname the rpm variable to be used for the module's name
 671     # and the list of these names in self.varnames
 672     def spec_dict (self):
 673         specfile=self.main_specname()
 674         redirector_keys = [ varname for (varname,default) in Module.redirectors]
 675         redirect_dict = self.parse_spec(specfile,redirector_keys)
 676         if self.options.debug:
 677             print '1st pass parsing done, redirect_dict=',redirect_dict
 678         varnames=[]
 679         for (varname,default) in Module.redirectors:
 680             if redirect_dict.has_key(varname):
 681                 setattr(self,varname,redirect_dict[varname])
 682                 varnames += [redirect_dict[varname]]
 683             else:
 684                 setattr(self,varname,default)
 685                 varnames += [ default ]
 686         self.varnames = varnames
 687         result = self.parse_spec (specfile,self.varnames)
 688         if self.options.debug:
 689             print '2st pass parsing done, varnames=',varnames,'result=',result
 690         return result
 691
 692     def patch_spec_var (self, patch_dict,define_missing=False):
 693         for specfile in self.all_specnames():
 694             # record the keys that were changed
 695             changed = dict ( [ (x,False) for x in patch_dict.keys() ] )
 696             newspecfile=specfile+".new"
 697             if self.options.verbose:
 698                 print 'Patching',specfile,'for',patch_dict.keys()
 699             spec=open (specfile)
 700             new=open(newspecfile,"w")
 701
 702             for line in spec.readlines():
 703                 attempt=Module.matcher_rpm_define.match(line)
 704                 if attempt:
 705                     (define,var,value)=attempt.groups()
 706                     if var in patch_dict.keys():
 707                         if self.options.debug:
 708                             print 'rewriting %s as %s'%(var,patch_dict[var])
 709                         new.write('%%%s %s %s\n'%(define,var,patch_dict[var]))
 710                         changed[var]=True
 711                         continue
 712                 new.write(line)
 713             if define_missing:
 714                 for (key,was_changed) in changed.iteritems():
 715                     if not was_changed:
 716                         if self.options.debug:
 717                             print 'rewriting missing %s as %s'%(key,patch_dict[key])
 718                         new.write('\n%%define %s %s\n'%(key,patch_dict[key]))
 719             spec.close()
 720             new.close()
 721             os.rename(newspecfile,specfile)
 722
 723     # returns all lines until the magic line
 724     def unignored_lines (self, logfile):
 725         result=[]
 726         white_line_matcher = re.compile("\A\s*\Z")
 727         for logline in file(logfile).readlines():
 728             if logline.strip() == Module.svn_magic_line:
 729                 break
 730             elif white_line_matcher.match(logline):
 731                 continue
 732             else:
 733                 result.append(logline.strip()+'\n')
 734         return result
 735
 736     # creates a copy of the input with only the unignored lines
 737     def stripped_magic_line_filename (self, filein, fileout ,new_tag_name):
 738        f=file(fileout,'w')
 739        f.write(self.setting_tag_format%new_tag_name + '\n')
 740        for line in self.unignored_lines(filein):
 741            f.write(line)
 742        f.close()
 743
 744     def insert_changelog (self, logfile, oldtag, newtag):
 745         for specfile in self.all_specnames():
 746             newspecfile=specfile+".new"
 747             if self.options.verbose:
 748                 print 'Inserting changelog from %s into %s'%(logfile,specfile)
 749             spec=open (specfile)
 750             new=open(newspecfile,"w")
 751             for line in spec.readlines():
 752                 new.write(line)
 753                 if re.compile('%changelog').match(line):
 754                     dateformat="* %a %b %d %Y"
 755                     datepart=time.strftime(dateformat)
 756                     logpart="%s <%s> - %s"%(Module.config['username'],
 757                                                  Module.config['email'],
 758                                                  newtag)
 759                     new.write(datepart+" "+logpart+"\n")
 760                     for logline in self.unignored_lines(logfile):
 761                         new.write("- " + logline)
 762                     new.write("\n")
 763             spec.close()
 764             new.close()
 765             os.rename(newspecfile,specfile)
 766
 767     def show_dict (self, spec_dict):
 768         if self.options.verbose:
 769             for (k,v) in spec_dict.iteritems():
 770                 print k,'=',v
 771
 772     def last_tag (self, spec_dict):
 773         try:
 774             return "%s-%s" % (spec_dict[self.module_version_varname],
 775                               spec_dict[self.module_taglevel_varname])
 776         except KeyError,err:
 777             raise Exception,'Something is wrong with module %s, cannot determine %s - exiting'%(self.name,err)
 778
 779     def tag_name (self, spec_dict, old_svn_name=False):
 780         base_tag_name = self.name
 781         if old_svn_name:
 782             base_tag_name = git_to_svn_name(self.name)
 783         return "%s-%s" % (base_tag_name, self.last_tag(spec_dict))
 784
 785
 786 ##############################
 787     # using fine_grain means replacing only those instances that currently refer to this tag
 788     # otherwise, <module>-{SVNPATH,GITPATH} is replaced unconditionnally
 789     def patch_tags_file (self, tagsfile, oldname, newname,fine_grain=True):
 790         newtagsfile=tagsfile+".new"
 791         tags=open (tagsfile)
 792         new=open(newtagsfile,"w")
 793
 794         matches=0
 795         # fine-grain : replace those lines that refer to oldname
 796         if fine_grain:
 797             if self.options.verbose:
 798                 print 'Replacing %s into %s\n\tin %s .. '%(oldname,newname,tagsfile),
 799             matcher=re.compile("^(.*)%s(.*)"%oldname)
 800             for line in tags.readlines():
 801                 if not matcher.match(line):
 802                     new.write(line)
 803                 else:
 804                     (begin,end)=matcher.match(line).groups()
 805                     new.write(begin+newname+end+"\n")
 806                     matches += 1
 807         # brute-force : change uncommented lines that define <module>-SVNPATH
 808         else:
 809             if self.options.verbose:
 810                 print 'Searching for -SVNPATH or -GITPATH lines referring to /%s/\n\tin %s .. '%(self.name,tagsfile),
 811             pattern="\A\s*(?P<make_name>[^\s]+)-(SVNPATH|GITPATH)\s*(=|:=)\s*(?P<url_main>[^\s]+)/%s[^\s]+"\
 812                                           %(self.name)
 813             matcher_module=re.compile(pattern)
 814             for line in tags.readlines():
 815                 attempt=matcher_module.match(line)
 816                 if attempt:
 817                     if line.find("-GITPATH") >= 0:
 818                         modulepath = "%s-GITPATH"%(attempt.group('make_name'))
 819                         replacement = "%-32s:= %s/%s.git@%s\n"%(modulepath,attempt.group('url_main'),self.name,newname)
 820                     else:
 821                         modulepath = "%s-SVNPATH"%(attempt.group('make_name'))
 822                         replacement = "%-32s:= %s/%s/tags/%s\n"%(modulepath,attempt.group('url_main'),self.name,newname)
 823                     if self.options.verbose:
 824                         print ' ' + modulepath,
 825                     new.write(replacement)
 826                     matches += 1
 827                 else:
 828                     new.write(line)
 829         tags.close()
 830         new.close()
 831         os.rename(newtagsfile,tagsfile)
 832         if self.options.verbose: print "%d changes"%matches
 833         return matches
 834
 835     def check_tag(self, tagname, need_it=False, old_svn_tag_name=None):
 836         if self.options.verbose:
 837             print "Checking %s repository tag: %s - " % (self.repository.type, tagname),
 838
 839         found_tagname = tagname
 840         found = self.repository.tag_exists(tagname)
 841         if not found and old_svn_tag_name:
 842             if self.options.verbose:
 843                 print "KO"
 844                 print "Checking %s repository tag: %s - " % (self.repository.type, old_svn_tag_name),
 845             found = self.repository.tag_exists(old_svn_tag_name)
 846             if found:
 847                 found_tagname = old_svn_tag_name
 848
 849         if (found and need_it) or (not found and not need_it):
 850             if self.options.verbose:
 851                 print "OK",
 852                 if found: print "- found"
 853                 else: print "- not found"
 854         else:
 855             if self.options.verbose:
 856                 print "KO"
 857             if found:
 858                 raise Exception, "tag (%s) is already there" % tagname
 859             else:
 860                 raise Exception, "can not find required tag (%s)" % tagname
 861
 862         return found_tagname
 863
 864
 865 ##############################
 866     def do_tag (self):
 867         self.init_module_dir()
 868         self.revert_module_dir()
 869         self.update_module_dir()
 870         # parse specfile
 871         spec_dict = self.spec_dict()
 872         self.show_dict(spec_dict)
 873
 874         # side effects
 875         old_tag_name = self.tag_name(spec_dict)
 876         old_svn_tag_name = self.tag_name(spec_dict, old_svn_name=True)
 877
 878         if (self.options.new_version):
 879             # new version set on command line
 880             spec_dict[self.module_version_varname] = self.options.new_version
 881             spec_dict[self.module_taglevel_varname] = 0
 882         else:
 883             # increment taglevel
 884             new_taglevel = str ( int (spec_dict[self.module_taglevel_varname]) + 1)
 885             spec_dict[self.module_taglevel_varname] = new_taglevel
 886
 887         new_tag_name = self.tag_name(spec_dict)
 888
 889         # sanity check
 890         old_tag_name = self.check_tag(old_tag_name, need_it=True, old_svn_tag_name=old_svn_tag_name)
 891         new_tag_name = self.check_tag(new_tag_name, need_it=False)
 892
 893         # checking for diffs
 894         diff_output = self.repository.diff_with_tag(old_tag_name)
 895         if len(diff_output) == 0:
 896             if not prompt ("No pending difference in module %s, want to tag anyway"%self.name,False):
 897                 return
 898
 899         # side effect in trunk's specfile
 900         self.patch_spec_var(spec_dict)
 901
 902         # prepare changelog file
 903         # we use the standard subversion magic string (see svn_magic_line)
 904         # so we can provide useful information, such as version numbers and diff
 905         # in the same file
 906         changelog="/tmp/%s-%d.edit"%(self.name,os.getpid())
 907         changelog_svn="/tmp/%s-%d.svn"%(self.name,os.getpid())
 908         setting_tag_line=Module.setting_tag_format%new_tag_name
 909         file(changelog,"w").write("""
 910 %s
 911 %s
 912 Please write a changelog for this new tag in the section above
 913 """%(Module.svn_magic_line,setting_tag_line))
 914
 915         if not self.options.verbose or prompt('Want to see diffs while writing changelog',True):
 916             file(changelog,"a").write('DIFF=========\n' + diff_output)
 917
 918         if self.options.debug:
 919             prompt('Proceed ?')
 920
 921         # edit it
 922         self.run("%s %s"%(self.options.editor,changelog))
 923         # strip magic line in second file - looks like svn has changed its magic line with 1.6
 924         # so we do the job ourselves
 925         self.stripped_magic_line_filename(changelog,changelog_svn,new_tag_name)
 926         # insert changelog in spec
 927         if self.options.changelog:
 928             self.insert_changelog (changelog,old_tag_name,new_tag_name)
 929
 930         ## update build
 931         build_path = os.path.join(self.options.workdir,
 932                                   Module.config['build'])
 933         build = Repository(build_path, self.options)
 934         if self.options.build_branch:
 935             build.to_branch(self.options.build_branch)
 936         if not build.is_clean():
 937             build.revert()
 938
 939         tagsfiles=glob(build.path+"/*-tags*.mk")
 940         tagsdict=dict( [ (x,'todo') for x in tagsfiles ] )
 941         default_answer = 'y'
 942         tagsfiles.sort()
 943         while True:
 944             for tagsfile in tagsfiles:
 945                 status=tagsdict[tagsfile]
 946                 basename=os.path.basename(tagsfile)
 947                 print ".................... Dealing with %s"%basename
 948                 while tagsdict[tagsfile] == 'todo' :
 949                     choice = prompt ("insert %s in %s    "%(new_tag_name,basename),default_answer,
 950                                      [ ('y','es'), ('n', 'ext'), ('f','orce'),
 951                                        ('d','iff'), ('r','evert'), ('c', 'at'), ('h','elp') ] ,
 952                                      allow_outside=True)
 953                     if choice == 'y':
 954                         self.patch_tags_file(tagsfile,old_tag_name,new_tag_name,fine_grain=True)
 955                     elif choice == 'n':
 956                         print 'Done with %s'%os.path.basename(tagsfile)
 957                         tagsdict[tagsfile]='done'
 958                     elif choice == 'f':
 959                         self.patch_tags_file(tagsfile,old_tag_name,new_tag_name,fine_grain=False)
 960                     elif choice == 'd':
 961                         print build.diff(f=tagsfile)
 962                     elif choice == 'r':
 963                         build.revert(f=tagsfile)
 964                     elif choice == 'c':
 965                         self.run("cat %s"%tagsfile)
 966                     else:
 967                         name=self.name
 968                         print """y: change %(name)s-{SVNPATH,GITPATH} only if it currently refers to %(old_tag_name)s
 969 f: unconditionnally change any line that assigns %(name)s-SVNPATH to using %(new_tag_name)s
 970 d: show current diff for this tag file
 971 r: revert that tag file
 972 c: cat the current tag file
 973 n: move to next file"""%locals()
 974
 975             if prompt("Want to review changes on tags files",False):
 976                 tagsdict = dict ( [ (x, 'todo') for x in tagsfiles ] )
 977                 default_answer='d'
 978             else:
 979                 break
 980
 981         def diff_all_changes():
 982             print build.diff()
 983             print self.repository.diff()
 984
 985         def commit_all_changes(log):
 986             self.repository.commit(log)
 987             build.commit(log)
 988
 989         self.run_prompt("Review module and build", diff_all_changes)
 990         self.run_prompt("Commit module and build", commit_all_changes, changelog_svn)
 991         self.run_prompt("Create tag", self.repository.tag, new_tag_name, changelog_svn)
 992
 993         if self.options.debug:
 994             print 'Preserving',changelog,'and stripped',changelog_svn
 995         else:
 996             os.unlink(changelog)
 997             os.unlink(changelog_svn)
 998
 999
1000 ##############################
1001     def do_version (self):
1002         self.init_module_dir()
1003         self.revert_module_dir()
1004         self.update_module_dir()
1005         spec_dict = self.spec_dict()
1006         if self.options.www:
1007             self.html_store_title('Version for module %s (%s)' % (self.friendly_name(),
1008                                                                   self.last_tag(spec_dict)))
1009         for varname in self.varnames:
1010             if not spec_dict.has_key(varname):
1011                 self.html_print ('Could not find %%define for %s'%varname)
1012                 return
1013             else:
1014                 self.html_print ("%-16s %s"%(varname,spec_dict[varname]))
1015         if self.options.verbose:
1016             self.html_print ("%-16s %s"%('main specfile:',self.main_specname()))
1017             self.html_print ("%-16s %s"%('specfiles:',self.all_specnames()))
1018         self.html_print_end()
1019
1020
1021 ##############################
1022     def do_diff (self):
1023         self.init_module_dir()
1024         self.revert_module_dir()
1025         self.update_module_dir()
1026         spec_dict = self.spec_dict()
1027         self.show_dict(spec_dict)
1028
1029         # side effects
1030         tag_name = self.tag_name(spec_dict)
1031         old_svn_tag_name = self.tag_name(spec_dict, old_svn_name=True)
1032
1033         # sanity check
1034         tag_name = self.check_tag(tag_name, need_it=True, old_svn_tag_name=old_svn_tag_name)
1035
1036         if self.options.verbose:
1037             print 'Getting diff'
1038         diff_output = self.repository.diff_with_tag(tag_name)
1039
1040         if self.options.list:
1041             if diff_output:
1042                 print self.name
1043         else:
1044             thename=self.friendly_name()
1045             do_print=False
1046             if self.options.www and diff_output:
1047                 self.html_store_title("Diffs in module %s (%s) : %d chars"%(\
1048                         thename,self.last_tag(spec_dict),len(diff_output)))
1049
1050                 self.html_store_raw ('<p> &lt; (left) %s </p>' % tag_name)
1051                 self.html_store_raw ('<p> &gt; (right) %s </p>' % thename)
1052                 self.html_store_pre (diff_output)
1053             elif not self.options.www:
1054                 print 'x'*30,'module',thename
1055                 print 'x'*20,'<',tag_name
1056                 print 'x'*20,'>',thename
1057                 print diff_output
1058
1059 ##############################
1060     # store and restitute html fragments
1061     @staticmethod
1062     def html_href (url,text): return '<a href="%s">%s</a>'%(url,text)
1063
1064     @staticmethod
1065     def html_anchor (url,text): return '<a name="%s">%s</a>'%(url,text)
1066
1067     @staticmethod
1068     def html_quote (text):
1069         return text.replace('&','&#38;').replace('<','&lt;').replace('>','&gt;')
1070
1071     # only the fake error module has multiple titles
1072     def html_store_title (self, title):
1073         if not hasattr(self,'titles'): self.titles=[]
1074         self.titles.append(title)
1075
1076     def html_store_raw (self, html):
1077         if not hasattr(self,'body'): self.body=''
1078         self.body += html
1079
1080     def html_store_pre (self, text):
1081         if not hasattr(self,'body'): self.body=''
1082         self.body += '<pre>' + self.html_quote(text) + '</pre>'
1083
1084     def html_print (self, txt):
1085         if not self.options.www:
1086             print txt
1087         else:
1088             if not hasattr(self,'in_list') or not self.in_list:
1089                 self.html_store_raw('<ul>')
1090                 self.in_list=True
1091             self.html_store_raw('<li>'+txt+'</li>')
1092
1093     def html_print_end (self):
1094         if self.options.www:
1095             self.html_store_raw ('</ul>')
1096
1097     @staticmethod
1098     def html_dump_header(title):
1099         nowdate=time.strftime("%Y-%m-%d")
1100         nowtime=time.strftime("%H:%M (%Z)")
1101         print """<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
1102 <html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en">
1103 <head>
1104 <title> %s </title>
1105 <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
1106 <style type="text/css">
1107 body { font-family:georgia, serif; }
1108 h1 {font-size: large; }
1109 p.title {font-size: x-large; }
1110 span.error {text-weight:bold; color: red; }
1111 </style>
1112 </head>
1113 <body>
1114 <p class='title'> %s - status on %s at %s</p>
1115 <ul>
1116 """%(title,title,nowdate,nowtime)
1117
1118     @staticmethod
1119     def html_dump_middle():
1120         print "</ul>"
1121
1122     @staticmethod
1123     def html_dump_footer():
1124         print "</body></html"
1125
1126     def html_dump_toc(self):
1127         if hasattr(self,'titles'):
1128             for title in self.titles:
1129                 print '<li>',self.html_href ('#'+self.friendly_name(),title),'</li>'
1130
1131     def html_dump_body(self):
1132         if hasattr(self,'titles'):
1133             for title in self.titles:
1134                 print '<hr /><h1>',self.html_anchor(self.friendly_name(),title),'</h1>'
1135         if hasattr(self,'body'):
1136             print self.body
1137             print '<p class="top">',self.html_href('#','Back to top'),'</p>'
1138
1139
1140 ##############################
1141 class Main:
1142
1143     module_usage="""Usage: %prog [options] module_desc [ .. module_desc ]
1144
1145 module-tools : a set of tools to manage subversion tags and specfile
1146   requires the specfile to either
1147   * define *version* and *taglevel*
1148   OR alternatively
1149   * define redirection variables module_version_varname / module_taglevel_varname
1150 Trunk:
1151   by default, the trunk of modules is taken into account
1152   in this case, just mention the module name as <module_desc>
1153 Branches:
1154   if you wish to work on a branch rather than on the trunk,
1155   you can use something like e.g. Mom:2.1 as <module_desc>
1156 """
1157     release_usage="""Usage: %prog [options] tag1 .. tagn
1158   Extract release notes from the changes in specfiles between several build tags, latest first
1159   Examples:
1160       release-changelog 4.2-rc25 4.2-rc24 4.2-rc23 4.2-rc22
1161   You can refer to a (build) branch by prepending a colon, like in
1162       release-changelog :4.2 4.2-rc25
1163   You can refer to the build trunk by just mentioning 'trunk', e.g.
1164       release-changelog -t coblitz-tags.mk coblitz-2.01-rc6 trunk
1165 """
1166     common_usage="""More help:
1167   see http://svn.planet-lab.org/wiki/ModuleTools"""
1168
1169     modes={
1170         'list' : "displays a list of available tags or branches",
1171         'version' : "check latest specfile and print out details",
1172         'diff' : "show difference between module (trunk or branch) and latest tag",
1173         'tag'  : """increment taglevel in specfile, insert changelog in specfile,
1174                 create new tag and and monitor its adoption in build/*-tags*.mk""",
1175         'branch' : """create a branch for this module, from the latest tag on the trunk,
1176                   and change trunk's version number to reflect the new branch name;
1177                   you can specify the new branch name by using module:branch""",
1178         'sync' : """create a tag from the module
1179                 this is a last resort option, mostly for repairs""",
1180         'changelog' : """extract changelog between build tags
1181                 expected arguments are a list of tags""",
1182         }
1183
1184     silent_modes = ['list']
1185     release_modes = ['changelog']
1186
1187     @staticmethod
1188     def optparse_list (option, opt, value, parser):
1189         try:
1190             setattr(parser.values,option.dest,getattr(parser.values,option.dest)+value.split())
1191         except:
1192             setattr(parser.values,option.dest,value.split())
1193
1194     def run(self):
1195
1196         mode=None
1197         for function in Main.modes.keys():
1198             if sys.argv[0].find(function) >= 0:
1199                 mode = function
1200                 break
1201         if not mode:
1202             print "Unsupported command",sys.argv[0]
1203             print "Supported commands:" + " ".join(Main.modes.keys())
1204             sys.exit(1)
1205
1206         if mode not in Main.release_modes:
1207             usage = Main.module_usage
1208             usage += Main.common_usage
1209             usage += "\nmodule-%s : %s"%(mode,Main.modes[mode])
1210         else:
1211             usage = Main.release_usage
1212             usage += Main.common_usage
1213
1214         parser=OptionParser(usage=usage)
1215
1216         if mode == "tag" or mode == 'branch':
1217             parser.add_option("-s","--set-version",action="store",dest="new_version",default=None,
1218                               help="set new version and reset taglevel to 0")
1219         if mode == "tag" :
1220             parser.add_option("-c","--no-changelog", action="store_false", dest="changelog", default=True,
1221                               help="do not update changelog section in specfile when tagging")
1222             parser.add_option("-b","--build-branch", action="store", dest="build_branch", default=None,
1223                               help="specify a build branch; used for locating the *tags*.mk files where adoption is to take place")
1224         if mode == "tag" or mode == "sync" :
1225             parser.add_option("-e","--editor", action="store", dest="editor", default=default_editor(),
1226                               help="specify editor")
1227
1228         if mode in ["diff","version"] :
1229             parser.add_option("-W","--www", action="store", dest="www", default=False,
1230                               help="export diff in html format, e.g. -W trunk")
1231
1232         if mode == "diff" :
1233             parser.add_option("-l","--list", action="store_true", dest="list", default=False,
1234                               help="just list modules that exhibit differences")
1235
1236         default_modules_list=os.path.dirname(sys.argv[0])+"/modules.list"
1237         parser.add_option("-a","--all",action="store_true",dest="all_modules",default=False,
1238                           help="run on all modules as found in %s"%default_modules_list)
1239         parser.add_option("-f","--file",action="store",dest="modules_list",default=None,
1240                           help="run on all modules found in specified file")
1241         parser.add_option("-n","--dry-run",action="store_true",dest="dry_run",default=False,
1242                           help="dry run - shell commands are only displayed")
1243         parser.add_option("-t","--distrotags",action="callback",callback=Main.optparse_list, dest="distrotags",
1244                           default=[], nargs=1,type="string",
1245                           help="""specify distro-tags files, e.g. onelab-tags-4.2.mk
1246 -- can be set multiple times, or use quotes""")
1247
1248         parser.add_option("-w","--workdir", action="store", dest="workdir",
1249                           default="%s/%s"%(os.getenv("HOME"),"modules"),
1250                           help="""name for dedicated working dir - defaults to ~/modules
1251 ** THIS MUST NOT ** be your usual working directory""")
1252         parser.add_option("-F","--fast-checks",action="store_true",dest="fast_checks",default=False,
1253                           help="skip safety checks, such as svn updates -- use with care")
1254
1255         # default verbosity depending on function - temp
1256         verbose_modes= ['tag', 'sync', 'branch']
1257
1258         if mode not in verbose_modes:
1259             parser.add_option("-v","--verbose", action="store_true", dest="verbose", default=False,
1260                               help="run in verbose mode")
1261         else:
1262             parser.add_option("-q","--quiet", action="store_false", dest="verbose", default=True,
1263                               help="run in quiet (non-verbose) mode")
1264         (options, args) = parser.parse_args()
1265         options.mode=mode
1266         if not hasattr(options,'dry_run'):
1267             options.dry_run=False
1268         if not hasattr(options,'www'):
1269             options.www=False
1270         options.debug=False
1271
1272         ########## module-*
1273         if len(args) == 0:
1274             if options.all_modules:
1275                 options.modules_list=default_modules_list
1276             if options.modules_list:
1277                 args=Command("grep -v '#' %s"%options.modules_list,options).output_of().split()
1278             else:
1279                 parser.print_help()
1280                 sys.exit(1)
1281         Module.init_homedir(options)
1282
1283
1284         modules=[ Module(modname,options) for modname in args ]
1285         # hack: create a dummy Module to store errors/warnings
1286         error_module = Module('__errors__',options)
1287
1288         for module in modules:
1289             if len(args)>1 and mode not in Main.silent_modes:
1290                 if not options.www:
1291                     print '========================================',module.friendly_name()
1292             # call the method called do_<mode>
1293             method=Module.__dict__["do_%s"%mode]
1294             try:
1295                 method(module)
1296             except Exception,e:
1297                 if options.www:
1298                     title='<span class="error"> Skipping module %s - failure: %s </span>'%\
1299                         (module.friendly_name(), str(e))
1300                     error_module.html_store_title(title)
1301                 else:
1302                     import traceback
1303                     traceback.print_exc()
1304                     print 'Skipping module %s: '%modname,e
1305
1306         if options.www:
1307             if mode == "diff":
1308                 modetitle="Changes to tag in %s"%options.www
1309             elif mode == "version":
1310                 modetitle="Latest tags in %s"%options.www
1311             modules.append(error_module)
1312             error_module.html_dump_header(modetitle)
1313             for module in modules:
1314                 module.html_dump_toc()
1315             Module.html_dump_middle()
1316             for module in modules:
1317                 module.html_dump_body()
1318             Module.html_dump_footer()
1319
1320 ####################
1321 if __name__ == "__main__" :
1322     try:
1323         Main().run()
1324     except KeyboardInterrupt:
1325         print '\nBye'