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