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