mass_build.py

   1 #!/usr/bin/python
   2 import vcs, build_system, imp
   3 import argparse, os, sys, subprocess
   4 from collections import OrderedDict
   5
   6 # an entire Project
   7 class Project:
   8         def __init__(self, folder, config):
   9                 self.folder = folder
  10                 self.name = config['name']
  11                 # VCS
  12                 vcsName = config['vcs']
  13                 if vcsName == 'git':
  14                         self.vcs = vcs.Git(self.sourceFolder(), config['url'], config['version'])
  15                 elif vcsName == 'svn':
  16                         self.vcs = vcs.SVN(self.sourceFolder(), config['url'], config.get('versionName'))
  17                 else:
  18                         raise Exception("Unknown VCS type "+vcsName)
  19                 # build system
  20                 if config.get('buildDeb', False):
  21                         self.buildSystem = build_system.AutoDebuild(self.sourceFolder(), self.buildFolder(), config, self.vcs)
  22                 else:
  23                         buildSystemName = config['buildSystem']
  24                         if buildSystemName == 'cmake':
  25                                 self.buildSystem = build_system.CMake(self.sourceFolder(), self.buildFolder(), config)
  26                         else:
  27                                 raise Exception("Unknown build system type "+buildSystemName)
  28
  29         def sourceFolder(self):
  30                 return os.path.join(self.folder, self.name)
  31
  32         def buildFolder(self):
  33                 return os.path.join(config['buildDir'], self.sourceFolder())
  34
  35 # read command-line arguments
  36 parser = argparse.ArgumentParser(description='Update and build a bunch of stuff')
  37 parser.add_argument("-c, --config",
  38                     dest="config", default="mass-build.conf",
  39                     help="mass-build config file")
  40 parser.add_argument("--reconfigure",
  41                     action="store_true", dest="reconfigure",
  42                     help="Force configuration to be run")
  43 parser.add_argument("--reset-source",
  44                     action="store_true", dest="reset_source",
  45                     help="Reset sourcecode to the given version (removes local changes!)")
  46 parser.add_argument("--no-update",
  47                     action="store_false", dest="update",
  48                     help="Do not update projects before compilation")
  49 parser.add_argument("--resume-from", metavar='PROJECT',
  50                     dest="resume_from",
  51                     help="Resume building from the given project")
  52 parser.add_argument("projects",  metavar='PROJECT', nargs='*',
  53                     help="Manually specify projects or folders to be built (project names take precedence)")
  54 args = parser.parse_args()
  55 # sanitize
  56 if args.reset_source and not args.update:
  57         raise Exception("When no update is performed, no reset to the given version can be done either")
  58
  59 # load config
  60 config = imp.load_source('config', args.config).__dict__
  61 os.remove(args.config+'c') # remove compiled python file
  62 allProjects = OrderedDict() # all projects
  63 allFolders = {} # all folders
  64 workProjects = [] # projects we work on
  65
  66 # return the position of the given item in the list
  67 def findInList(list, item):
  68         for i in xrange(len(list)):
  69                 if list[i] == item:
  70                         return i
  71         raise Exception("%s not found in list" % str(item))
  72
  73 # copy all items which don't exist below, except for those in the exclude list
  74 def inherit(subConfig, superConfig, exclude = ('name', 'projects')):
  75         for name in superConfig.keys():
  76                 if (not name in subConfig) and (not name in exclude):
  77                         subConfig[name] = superConfig[name]
  78
  79 # populate list of projects, return list of projects in that folder
  80 def loadProjects(config, folder=''):
  81         folderProjects = []
  82         for projectConfig in config['projects']:
  83                 assert 'name' in projectConfig # everything must have a name
  84                 inherit(projectConfig, config)
  85                 if 'projects' in projectConfig: # a subpath
  86                         folderProjects += loadProjects(projectConfig, os.path.join(folder, projectConfig['name']))
  87                 else: # a proper project
  88                         if projectConfig['name'] in allProjects:
  89                                 raise Exception("Duplicate project name "+projectConfig['name'])
  90                         project = Project(folder, projectConfig)
  91                         allProjects[projectConfig['name']] = project
  92                         folderProjects.append(project)
  93         # store projects of this folder
  94         if folder in allFolders:
  95                 raise Exception("Duplicate folder name "+folder)
  96         allFolders[folder] = folderProjects
  97         return folderProjects
  98
  99 # now check what we have to do
 100 loadProjects(config)
 101 if args.projects:
 102         if args.resume_from is not None:
 103                 raise Exception("Can not use --resume-from and manually specify projects")
 104         for name in args.projects:
 105                 if name in allProjects:
 106                         workProjects.append(allProjects[name])
 107                 elif name in allFolders:
 108                         workProjects += allFolders[name]
 109                 else:
 110                         raise Exception("Project or folder%s does not exist" % name)
 111 elif args.resume_from is None:
 112         workProjects = projects.values() # all the projects
 113 else:
 114         if not args.resume_from in allProjects:
 115                 raise Exception("Project %s does not exist" % args.resume_from)
 116         startWith = allProjects[args.resume_from]
 117         startIndex = findInList(allProjects.values(), startWith)
 118         workProjects = allProjects.values()[startIndex:]
 119
 120 # and do it!
 121 for project in workProjects:
 122         try:
 123                 if args.update:
 124                         print "Updating project",project.sourceFolder()
 125                         project.vcs.update(forceVersion=args.reset_source)
 126                 print "Building project",project.sourceFolder()
 127                 project.buildSystem.build(reconfigure=args.reconfigure)
 128                 print
 129         except (subprocess.CalledProcessError, KeyboardInterrupt) as e: # for some exceptions, a stackrace is usually pointless
 130                 print >> sys.stderr
 131                 print >> sys.stderr
 132                 if isinstance(e, KeyboardInterrupt): # str(e) would be the empty string
 133                         print >> sys.stderr, "Interruped by user while processing %s" % (project.name)
 134                 else:
 135                         print >> sys.stderr, "Error while processing %s: %s" % (project.name, str(e))
 136                 print >> sys.stderr
 137                 sys.exit(1)