mass_build.py

   1 #!/usr/bin/python3
   2 # mass-build - Easily Build Software Involving a Large Amount of Source Repositories
   3 # Copyright (C) 2012-2013 Ralf Jung <post@ralfj.de>
   4 #
   5 # This program is free software; you can redistribute it and/or modify
   6 # it under the terms of the GNU General Public License as published by
   7 # the Free Software Foundation; either version 2 of the License, or
   8 # (at your option) any later version.
   9 #
  10 # This program is distributed in the hope that it will be useful,
  11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 # GNU General Public License for more details.
  14 #
  15 # You should have received a copy of the GNU General Public License
  16 # along with this program; if not, write to the Free Software
  17 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  18
  19 import vcs, build_system
  20 import argparse, os, sys, subprocess
  21 from collections import OrderedDict
  22
  23 # helper functions
  24 def load_module(name, path, write_bytecode = False):
  25     old_val = sys.dont_write_bytecode
  26     sys.dont_write_bytecode = not write_bytecode
  27     module = None
  28     try:
  29         from importlib.machinery import SourceFileLoader
  30         module = SourceFileLoader(name, path).load_module()
  31     except ImportError:
  32         import imp
  33         module = imp.load_source(name, path)
  34     finally:
  35         sys.dont_write_bytecode = old_val
  36     return module
  37
  38 # an entire Project
  39 class Project:
  40         def __init__(self, folder, config):
  41                 self.folder = folder
  42                 self.name = config['name']
  43                 # VCS
  44                 vcsName = config['vcs']
  45                 if vcsName == 'git':
  46                         self.vcs = vcs.Git(self.sourceFolder(), config)
  47                 elif vcsName == 'svn':
  48                         self.vcs = vcs.SVN(self.sourceFolder(), config['url'])
  49                 else:
  50                         raise Exception("Unknown VCS type "+vcsName)
  51                 # build system
  52                 if config.get('buildDeb', False):
  53                         self.buildSystem = build_system.AutoDebuild(self.sourceFolder(), self.buildFolder(), config, self.vcs)
  54                 else:
  55                         buildSystemName = config['buildSystem']
  56                         if buildSystemName == 'cmake':
  57                                 self.buildSystem = build_system.CMake(self.sourceFolder(), self.buildFolder(), config)
  58                         else:
  59                                 raise Exception("Unknown build system type "+buildSystemName)
  60
  61         def sourceFolder(self):
  62                 return os.path.join(self.folder, self.name)
  63
  64         def buildFolder(self):
  65                 return os.path.join(config['buildDir'], self.sourceFolder())
  66
  67 # read command-line arguments
  68 parser = argparse.ArgumentParser(description='Update and build a bunch of stuff')
  69 parser.add_argument("-c", "--config",
  70                     dest="config", default="mass-build.conf",
  71                     help="mass-build config file")
  72 parser.add_argument("--reconfigure",
  73                     action="store_true", dest="reconfigure",
  74                     help="Force configuration to be run")
  75 parser.add_argument("-w", "--wait-after-config",
  76                     action="store_true", dest="wait_after_config",
  77                     help="Wait for user confirmation after configuration is finished")
  78 parser.add_argument("--reset-source",
  79                     action="store_true", dest="reset_source",
  80                     help="Reset sourcecode to the given version (removes local changes!)")
  81 parser.add_argument("--no-update",
  82                     action="store_false", dest="update",
  83                     help="Do not update projects before compilation")
  84 parser.add_argument("--resume-from", metavar='PROJECT',
  85                     dest="resume_from",
  86                     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)")
  87 parser.add_argument("--check-versions",
  88                     action="store_true", dest="version_check",
  89                     help="Check the repositories for newer tags, if possible (does not perform any building steps)")
  90 parser.add_argument("projects",  metavar='PROJECT', nargs='*',
  91                     help="Manually specify projects or folders to be built (project names take precedence)")
  92 args = parser.parse_args()
  93 if args.reset_source and not args.update:
  94         raise Exception("Can not reset sources without doing an update")
  95
  96 # load config as dictionary
  97 config = vars(load_module('config', args.config))
  98
  99 # initialise variables holding the configuration
 100 allProjects = OrderedDict() # all projects
 101 allFolders = {} # all folders
 102 workProjects = [] # projects we work on
 103
 104 # copy all items which don't exist below, except for those in the exclude list
 105 def inherit(subConfig, superConfig, exclude = ('name', 'projects')):
 106         for name in superConfig.keys():
 107                 if (not name in subConfig) and (not name in exclude):
 108                         subConfig[name] = superConfig[name]
 109
 110 # populate list of projects, return list of projects in that folder
 111 def loadProjects(config, folder=''):
 112         folderProjects = []
 113         for projectConfig in config['projects']:
 114                 assert 'name' in projectConfig # everything must have a name
 115                 inherit(projectConfig, config)
 116                 if 'projects' in projectConfig: # a subpath
 117                         folderProjects += loadProjects(projectConfig, os.path.join(folder, projectConfig['name']))
 118                 else: # a proper project
 119                         if projectConfig['name'] in allProjects:
 120                                 raise Exception("Duplicate project name "+projectConfig['name'])
 121                         project = Project(folder, projectConfig)
 122                         allProjects[projectConfig['name']] = project
 123                         folderProjects.append(project)
 124         # store projects of this folder
 125         if folder in allFolders:
 126                 raise Exception("Duplicate folder name "+folder)
 127         allFolders[folder] = folderProjects
 128         return folderProjects
 129
 130 # load available projects
 131 loadProjects(config)
 132 # get base set og projects to process
 133 if args.projects:
 134         for name in args.projects:
 135                 if name in allProjects:
 136                         workProjects.append(allProjects[name])
 137                 elif name in allFolders:
 138                         workProjects += allFolders[name]
 139                 else:
 140                         raise Exception("Project or folder %s does not exist" % name)
 141 else:
 142         workProjects = list(allProjects.values()) # all the projects
 143 # apply the "resume from"
 144 if args.resume_from is not None:
 145         # find project index
 146         startIndex = 0
 147         while startIndex < len(workProjects):
 148                 if workProjects[startIndex].name == args.resume_from:
 149                         break # we found it
 150                 else:
 151                         startIndex += 1
 152         if startIndex >= len(workProjects): # project not found
 153                 raise Exception("%s not found in list of projects to work on" % args.resume_from)
 154         # start here
 155         workProjects = workProjects[startIndex:]
 156
 157 # and do it!
 158 for project in workProjects:
 159         try:
 160                 if args.version_check:
 161                         print("Checking project",project.sourceFolder())
 162                         project.vcs.checkVersions()
 163                 else:
 164                         if args.update:
 165                                 print("Updating project",project.sourceFolder())
 166                                 project.vcs.update(mode = vcs.MODE_RESET if args.reset_source else vcs.MODE_REBASE)
 167                         print("Building project",project.sourceFolder())
 168                         project.buildSystem.build(reconfigure=args.reconfigure, waitAfterConfig=args.wait_after_config)
 169                 print()
 170         except (subprocess.CalledProcessError, KeyboardInterrupt) as e: # for some exceptions, a stackrace is usually pointless
 171                 print(file=sys.stderr)
 172                 print(file=sys.stderr)
 173                 if isinstance(e, KeyboardInterrupt): # str(e) would be the empty string
 174                         print("Interruped by user while processing %s" % (project.name), file=sys.stderr)
 175                 else:
 176                         print("Error while processing %s: %s" % (project.name, str(e)), file=sys.stderr)
 177                 print(file=sys.stderr)
 178                 sys.exit(1)
 179 print("All operations successfully completed")