make load_module compatible with python 3.2

[mass-build.git] / mass_build.py

diff --git a/mass_build.py b/mass_build.py
index 6bbba4c23d8429e9b48c618ac6c94fbc73246cd1..79bc17a9db3f41edfe6c0c74eff1f2a570e2569b 100755 (executable)
--- a/mass_build.py
+++ b/mass_build.py
@@ -1,8 +1,40 @@
-#!/usr/bin/python
-import vcs, build_system, imp
+#!/usr/bin/python3
+# mass-build - Easily Build Software Involving a Large Amount of Source Repositories
+# Copyright (C) 2012-2013 Ralf Jung <post@ralfj.de>
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+
+import vcs, build_system

 import argparse, os, sys, subprocess
 from collections import OrderedDict
 
 import argparse, os, sys, subprocess
 from collections import OrderedDict
 

+# helper functions
+def load_module(name, path, write_bytecode = False):
+    old_val = sys.dont_write_bytecode
+    sys.dont_write_bytecode = not write_bytecode
+    module = None
+    try:
+        from importlib.machinery import SourceFileLoader
+        module = SourceFileLoader(name, path).load_module()
+    except ImportError:
+        import imp
+        module = imp.load_source(name, path)
+    finally:
+        sys.dont_write_bytecode = old_val
+    return module
+

 # an entire Project
 class Project:
        def __init__(self, folder, config):
 # an entire Project
 class Project:
        def __init__(self, folder, config):


@@ -11,9 +43,9 @@ class Project:
                # VCS
                vcsName = config['vcs']
                if vcsName == 'git':
                # VCS
                vcsName = config['vcs']
                if vcsName == 'git':

-                       self.vcs = vcs.Git(self.sourceFolder(), config['url'], config['version'])
+                       self.vcs = vcs.Git(self.sourceFolder(), config)

                elif vcsName == 'svn':
                elif vcsName == 'svn':

-                       self.vcs = vcs.SVN(self.sourceFolder(), config['url'], config.get('versionName'))
+                       self.vcs = vcs.SVN(self.sourceFolder(), config['url'])

                else:
                        raise Exception("Unknown VCS type "+vcsName)
                # build system
                else:
                        raise Exception("Unknown VCS type "+vcsName)
                # build system


@@ -34,12 +66,15 @@ class Project:
 
 # read command-line arguments
 parser = argparse.ArgumentParser(description='Update and build a bunch of stuff')
 
 # read command-line arguments
 parser = argparse.ArgumentParser(description='Update and build a bunch of stuff')

-parser.add_argument("-c, --config",
+parser.add_argument("-c", "--config",

                     dest="config", default="mass-build.conf",
                     help="mass-build config file")
 parser.add_argument("--reconfigure",
                     action="store_true", dest="reconfigure",
                     help="Force configuration to be run")
                     dest="config", default="mass-build.conf",
                     help="mass-build config file")
 parser.add_argument("--reconfigure",
                     action="store_true", dest="reconfigure",
                     help="Force configuration to be run")

+parser.add_argument("-w", "--wait-after-config",
+                    action="store_true", dest="wait_after_config",
+                    help="Wait for user confirmation after configuration is finished")

 parser.add_argument("--reset-source",
                     action="store_true", dest="reset_source",
                     help="Reset sourcecode to the given version (removes local changes!)")
 parser.add_argument("--reset-source",
                     action="store_true", dest="reset_source",
                     help="Reset sourcecode to the given version (removes local changes!)")


@@ -48,28 +83,24 @@ parser.add_argument("--no-update",
                     help="Do not update projects before compilation")
 parser.add_argument("--resume-from", metavar='PROJECT',
                     dest="resume_from",
                     help="Do not update projects before compilation")
 parser.add_argument("--resume-from", metavar='PROJECT',
                     dest="resume_from",

-                    help="Resume building from the given project")
+                    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)")
+parser.add_argument("--check-versions",
+                    action="store_true", dest="version_check",
+                    help="Check the repositories for newer tags, if possible (does not perform any building steps)")

 parser.add_argument("projects",  metavar='PROJECT', nargs='*',
                     help="Manually specify projects or folders to be built (project names take precedence)")
 args = parser.parse_args()
 parser.add_argument("projects",  metavar='PROJECT', nargs='*',
                     help="Manually specify projects or folders to be built (project names take precedence)")
 args = parser.parse_args()

-# sanitize

 if args.reset_source and not args.update:
 if args.reset_source and not args.update:

-       raise Exception("When no update is performed, no reset to the given version can be done either")
+       raise Exception("Can not reset sources without doing an update")
+
+# load config as dictionary
+config = vars(load_module('config', args.config))

 
 

-# load config
-config = imp.load_source('config', args.config).__dict__
-os.remove(args.config+'c') # remove compiled python file
+# initialise variables holding the configuration

 allProjects = OrderedDict() # all projects
 allFolders = {} # all folders
 workProjects = [] # projects we work on
 
 allProjects = OrderedDict() # all projects
 allFolders = {} # all folders
 workProjects = [] # projects we work on
 

-# return the position of the given item in the list
-def findInList(list, item):
-       for i in xrange(len(list)):
-               if list[i] == item:
-                       return i
-       raise Exception("%s not found in list" % str(item))
-

 # copy all items which don't exist below, except for those in the exclude list
 def inherit(subConfig, superConfig, exclude = ('name', 'projects')):
        for name in superConfig.keys():
 # copy all items which don't exist below, except for those in the exclude list
 def inherit(subConfig, superConfig, exclude = ('name', 'projects')):
        for name in superConfig.keys():


@@ -96,42 +127,53 @@ def loadProjects(config, folder=''):
        allFolders[folder] = folderProjects
        return folderProjects
 
        allFolders[folder] = folderProjects
        return folderProjects
 

-# now check what we have to do
+# load available projects

 loadProjects(config)
 loadProjects(config)

+# get base set og projects to process

 if args.projects:
 if args.projects:

-       if args.resume_from is not None:
-               raise Exception("Can not use --resume-from and manually specify projects")

        for name in args.projects:
                if name in allProjects:
                        workProjects.append(allProjects[name])
                elif name in allFolders:
                        workProjects += allFolders[name]
                else:
        for name in args.projects:
                if name in allProjects:
                        workProjects.append(allProjects[name])
                elif name in allFolders:
                        workProjects += allFolders[name]
                else:

-                       raise Exception("Project or folder%s does not exist" % name)
-elif args.resume_from is None:
-       workProjects = projects.values() # all the projects
+                       raise Exception("Project or folder %s does not exist" % name)

 else:
 else:

-       if not args.resume_from in allProjects:
-               raise Exception("Project %s does not exist" % args.resume_from)
-       startWith = allProjects[args.resume_from]
-       startIndex = findInList(allProjects.values(), startWith)
-       workProjects = allProjects.values()[startIndex:]
+       workProjects = list(allProjects.values()) # all the projects
+# apply the "resume from"
+if args.resume_from is not None:
+       # find project index
+       startIndex = 0
+       while startIndex < len(workProjects):
+               if workProjects[startIndex].name == args.resume_from:
+                       break # we found it
+               else:
+                       startIndex += 1
+       if startIndex >= len(workProjects): # project not found
+               raise Exception("%s not found in list of projects to work on" % args.resume_from)
+       # start here
+       workProjects = workProjects[startIndex:]

 
 # and do it!
 for project in workProjects:
        try:
 
 # and do it!
 for project in workProjects:
        try:

-               if args.update:
-                       print "Updating project",project.sourceFolder()
-                       project.vcs.update(forceVersion=args.reset_source)
-               print "Building project",project.sourceFolder()
-               project.buildSystem.build(reconfigure=args.reconfigure)
-               print
+               if args.version_check:
+                       print("Checking project",project.sourceFolder())
+                       project.vcs.checkVersions()
+               else:
+                       if args.update:
+                               print("Updating project",project.sourceFolder())
+                               project.vcs.update(mode = vcs.MODE_RESET if args.reset_source else vcs.MODE_REBASE)
+                       print("Building project",project.sourceFolder())
+                       project.buildSystem.build(reconfigure=args.reconfigure, waitAfterConfig=args.wait_after_config)
+               print()

        except (subprocess.CalledProcessError, KeyboardInterrupt) as e: # for some exceptions, a stackrace is usually pointless
        except (subprocess.CalledProcessError, KeyboardInterrupt) as e: # for some exceptions, a stackrace is usually pointless

-               print >> sys.stderr
-               print >> sys.stderr
+               print(file=sys.stderr)
+               print(file=sys.stderr)

                if isinstance(e, KeyboardInterrupt): # str(e) would be the empty string
                if isinstance(e, KeyboardInterrupt): # str(e) would be the empty string

-                       print >> sys.stderr, "Interruped by user while processing %s" % (project.name)
+                       print("Interruped by user while processing %s" % (project.name), file=sys.stderr)

                else:
                else:

-                       print >> sys.stderr, "Error while processing %s: %s" % (project.name, str(e))
-               print >> sys.stderr
+                       print("Error while processing %s: %s" % (project.name, str(e)), file=sys.stderr)
+               print(file=sys.stderr)

                sys.exit(1)
                sys.exit(1)

+print("All operations successfully completed")