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, importlib.machinery
  20 import argparse, os, sys, subprocess
  21 from collections import OrderedDict
  22
  23 # an entire Project
  24 class Project:
  25         def __init__(self, folder, config):
  26                 self.folder = folder
  27                 self.name = config['name']
  28                 # VCS
  29                 vcsName = config['vcs']
  30                 if vcsName == 'git':
  31                         self.vcs = vcs.Git(self.sourceFolder(), config)
  32                 elif vcsName == 'svn':
  33                         self.vcs = vcs.SVN(self.sourceFolder(), config['url'])
  34                 else:
  35                         raise Exception("Unknown VCS type "+vcsName)
  36                 # build system
  37                 if config.get('buildDeb', False):
  38                         self.buildSystem = build_system.AutoDebuild(self.sourceFolder(), self.buildFolder(), config, self.vcs)
  39                 else:
  40                         buildSystemName = config['buildSystem']
  41                         if buildSystemName == 'cmake':
  42                                 self.buildSystem = build_system.CMake(self.sourceFolder(), self.buildFolder(), config)
  43                         else:
  44                                 raise Exception("Unknown build system type "+buildSystemName)
  45
  46         def sourceFolder(self):
  47                 return os.path.join(self.folder, self.name)
  48
  49         def buildFolder(self):
  50                 return os.path.join(config['buildDir'], self.sourceFolder())
  51
  52 # read command-line arguments
  53 parser = argparse.ArgumentParser(description='Update and build a bunch of stuff')
  54 parser.add_argument("-c, --config",
  55                     dest="config", default="mass-build.conf",
  56                     help="mass-build config file")
  57 parser.add_argument("--reconfigure",
  58                     action="store_true", dest="reconfigure",
  59                     help="Force configuration to be run")
  60 parser.add_argument("-w", "--wait-after-config",
  61                     action="store_true", dest="wait_after_config",
  62                     help="Wait for user confirmation after configuration is finished")
  63 parser.add_argument("--reset-source",
  64                     action="store_true", dest="reset_source",
  65                     help="Reset sourcecode to the given version (removes local changes!)")
  66 parser.add_argument("--no-update",
  67                     action="store_false", dest="update",
  68                     help="Do not update projects before compilation")
  69 parser.add_argument("--resume-from", metavar='PROJECT',
  70                     dest="resume_from",
  71                     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)")
  72 parser.add_argument("--check-versions",
  73                     action="store_true", dest="version_check",
  74                     help="Check the repositories for newer tags, if possible (does not perform any building steps)")
  75 parser.add_argument("projects",  metavar='PROJECT', nargs='*',
  76                     help="Manually specify projects or folders to be built (project names take precedence)")
  77 args = parser.parse_args()
  78 if args.reset_source and not args.update:
  79         raise Exception("Can not reset sources without doing an update")
  80
  81 # load config
  82 old_val = sys.dont_write_bytecode
  83 sys.dont_write_bytecode = True
  84 config = importlib.machinery.SourceFileLoader('config', args.config).load_module().__dict__
  85 sys.dont_write_bytecode = old_val
  86
  87 # initialise variables holding the configuration
  88 allProjects = OrderedDict() # all projects
  89 allFolders = {} # all folders
  90 workProjects = [] # projects we work on
  91
  92 # copy all items which don't exist below, except for those in the exclude list
  93 def inherit(subConfig, superConfig, exclude = ('name', 'projects')):
  94         for name in superConfig.keys():
  95                 if (not name in subConfig) and (not name in exclude):
  96                         subConfig[name] = superConfig[name]
  97
  98 # populate list of projects, return list of projects in that folder
  99 def loadProjects(config, folder=''):
 100         folderProjects = []
 101         for projectConfig in config['projects']:
 102                 assert 'name' in projectConfig # everything must have a name
 103                 inherit(projectConfig, config)
 104                 if 'projects' in projectConfig: # a subpath
 105                         folderProjects += loadProjects(projectConfig, os.path.join(folder, projectConfig['name']))
 106                 else: # a proper project
 107                         if projectConfig['name'] in allProjects:
 108                                 raise Exception("Duplicate project name "+projectConfig['name'])
 109                         project = Project(folder, projectConfig)
 110                         allProjects[projectConfig['name']] = project
 111                         folderProjects.append(project)
 112         # store projects of this folder
 113         if folder in allFolders:
 114                 raise Exception("Duplicate folder name "+folder)
 115         allFolders[folder] = folderProjects
 116         return folderProjects
 117
 118 # load available projects
 119 loadProjects(config)
 120 # get base set og projects to process
 121 if args.projects:
 122         for name in args.projects:
 123                 if name in allProjects:
 124                         workProjects.append(allProjects[name])
 125                 elif name in allFolders:
 126                         workProjects += allFolders[name]
 127                 else:
 128                         raise Exception("Project or folder %s does not exist" % name)
 129 else:
 130         workProjects = list(allProjects.values()) # all the projects
 131 # apply the "resume from"
 132 if args.resume_from is not None:
 133         # find project index
 134         startIndex = 0
 135         while startIndex < len(workProjects):
 136                 if workProjects[startIndex].name == args.resume_from:
 137                         break # we found it
 138                 else:
 139                         startIndex += 1
 140         if startIndex >= len(workProjects): # project not found
 141                 raise Exception("%s not found in list of projects to work on" % args.resume_from)
 142         # start here
 143         workProjects = workProjects[startIndex:]
 144
 145 # and do it!
 146 for project in workProjects:
 147         try:
 148                 if args.version_check:
 149                         print("Checking project",project.sourceFolder())
 150                         project.vcs.checkVersions()
 151                 else:
 152                         if args.update:
 153                                 print("Updating project",project.sourceFolder())
 154                                 project.vcs.update(mode = vcs.MODE_RESET if args.reset_source else vcs.MODE_REBASE)
 155                         print("Building project",project.sourceFolder())
 156                         project.buildSystem.build(reconfigure=args.reconfigure, waitAfterConfig=args.wait_after_config)
 157                 print()
 158         except (subprocess.CalledProcessError, KeyboardInterrupt) as e: # for some exceptions, a stackrace is usually pointless
 159                 print(file=sys.stderr)
 160                 print(file=sys.stderr)
 161                 if isinstance(e, KeyboardInterrupt): # str(e) would be the empty string
 162                         print("Interruped by user while processing %s" % (project.name), file=sys.stderr)
 163                 else:
 164                         print("Error while processing %s: %s" % (project.name, str(e)), file=sys.stderr)
 165                 print(file=sys.stderr)
 166                 sys.exit(1)
 167 print("All operations successfully completed")