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'])
  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="From the projects specified, continue building with this one (i.e., remove all projects before this one from the list - this never adds new projects)")
  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 # copy all items which don't exist below, except for those in the exclude list
  67 def inherit(subConfig, superConfig, exclude = ('name', 'projects')):
  68         for name in superConfig.keys():
  69                 if (not name in subConfig) and (not name in exclude):
  70                         subConfig[name] = superConfig[name]
  71
  72 # populate list of projects, return list of projects in that folder
  73 def loadProjects(config, folder=''):
  74         folderProjects = []
  75         for projectConfig in config['projects']:
  76                 assert 'name' in projectConfig # everything must have a name
  77                 inherit(projectConfig, config)
  78                 if 'projects' in projectConfig: # a subpath
  79                         folderProjects += loadProjects(projectConfig, os.path.join(folder, projectConfig['name']))
  80                 else: # a proper project
  81                         if projectConfig['name'] in allProjects:
  82                                 raise Exception("Duplicate project name "+projectConfig['name'])
  83                         project = Project(folder, projectConfig)
  84                         allProjects[projectConfig['name']] = project
  85                         folderProjects.append(project)
  86         # store projects of this folder
  87         if folder in allFolders:
  88                 raise Exception("Duplicate folder name "+folder)
  89         allFolders[folder] = folderProjects
  90         return folderProjects
  91
  92 # load available projects
  93 loadProjects(config)
  94 # get base set og projects to process
  95 if args.projects:
  96         for name in args.projects:
  97                 if name in allProjects:
  98                         workProjects.append(allProjects[name])
  99                 elif name in allFolders:
 100                         workProjects += allFolders[name]
 101                 else:
 102                         raise Exception("Project or folder %s does not exist" % name)
 103 else:
 104         workProjects = allProjects.values() # all the projects
 105 # apply the "resume from"
 106 if args.resume_from is not None:
 107         # find project index
 108         startIndex = 0
 109         while startIndex < len(workProjects):
 110                 if workProjects[startIndex].name == args.resume_from:
 111                         break # we found it
 112                 else:
 113                         startIndex += 1
 114         if startIndex >= len(workProjects): # project not found
 115                 raise Exception("%s not found in list of projects to work on" % args.resume_from)
 116         # start here
 117         workProjects = workProjects[startIndex:]
 118
 119 # and do it!
 120 for project in workProjects:
 121         try:
 122                 if args.update:
 123                         print "Updating project",project.sourceFolder()
 124                         project.vcs.update(forceVersion=args.reset_source)
 125                 print "Building project",project.sourceFolder()
 126                 project.buildSystem.build(reconfigure=args.reconfigure)
 127                 print
 128         except (subprocess.CalledProcessError, KeyboardInterrupt) as e: # for some exceptions, a stackrace is usually pointless
 129                 print >> sys.stderr
 130                 print >> sys.stderr
 131                 if isinstance(e, KeyboardInterrupt): # str(e) would be the empty string
 132                         print >> sys.stderr, "Interruped by user while processing %s" % (project.name)
 133                 else:
 134                         print >> sys.stderr, "Error while processing %s: %s" % (project.name, str(e))
 135                 print >> sys.stderr
 136                 sys.exit(1)