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authorLuca Falavigna <dktrkranz@debian.org>2010-01-02 20:31:28 +0100
committerLuca Falavigna <dktrkranz@debian.org>2010-01-02 20:31:28 +0100
commitd4ced36437871acd01f2ed12b1899d1969b5492f (patch)
tree25ca9dae17a0b768409dce20de86749ec157e0f5 /engine/SCons/Tool/packaging/__init__.py
parenta26d8475c55ab30f5940ba815235e6bb0036a6de (diff)
parent9b73d2781acfc322319eb5c59b30f2dfa0fea977 (diff)
Merge commit 'upstream/1.2.0.d20091224'
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diff --git a/engine/SCons/Tool/packaging/__init__.py b/engine/SCons/Tool/packaging/__init__.py
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+"""SCons.Tool.Packaging
+
+SCons Packaging Tool.
+"""
+
+#
+# Copyright (c) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 The SCons Foundation
+#
+# Permission is hereby granted, free of charge, to any person obtaining
+# a copy of this software and associated documentation files (the
+# "Software"), to deal in the Software without restriction, including
+# without limitation the rights to use, copy, modify, merge, publish,
+# distribute, sublicense, and/or sell copies of the Software, and to
+# permit persons to whom the Software is furnished to do so, subject to
+# the following conditions:
+#
+# The above copyright notice and this permission notice shall be included
+# in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
+# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
+# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+#
+
+__revision__ = "src/engine/SCons/Tool/packaging/__init__.py 4577 2009/12/27 19:43:56 scons"
+
+import SCons.Environment
+from SCons.Variables import *
+from SCons.Errors import *
+from SCons.Util import is_List, make_path_relative
+from SCons.Warnings import warn, Warning
+
+import os, imp
+import SCons.Defaults
+
+__all__ = [ 'src_targz', 'src_tarbz2', 'src_zip', 'tarbz2', 'targz', 'zip', 'rpm', 'msi', 'ipk' ]
+
+#
+# Utility and Builder function
+#
+def Tag(env, target, source, *more_tags, **kw_tags):
+ """ Tag a file with the given arguments, just sets the accordingly named
+ attribute on the file object.
+
+ TODO: FIXME
+ """
+ if not target:
+ target=source
+ first_tag=None
+ else:
+ first_tag=source
+
+ if first_tag:
+ kw_tags[first_tag[0]] = ''
+
+ if len(kw_tags) == 0 and len(more_tags) == 0:
+ raise UserError, "No tags given."
+
+ # XXX: sanity checks
+ for x in more_tags:
+ kw_tags[x] = ''
+
+ if not SCons.Util.is_List(target):
+ target=[target]
+ else:
+ # hmm, sometimes the target list, is a list of a list
+ # make sure it is flattened prior to processing.
+ # TODO: perhaps some bug ?!?
+ target=env.Flatten(target)
+
+ for t in target:
+ for (k,v) in kw_tags.items():
+ # all file tags have to start with PACKAGING_, so we can later
+ # differentiate between "normal" object attributes and the
+ # packaging attributes. As the user should not be bothered with
+ # that, the prefix will be added here if missing.
+ #if not k.startswith('PACKAGING_'):
+ if k[:10] != 'PACKAGING_':
+ k='PACKAGING_'+k
+ setattr(t, k, v)
+
+def Package(env, target=None, source=None, **kw):
+ """ Entry point for the package tool.
+ """
+ # check if we need to find the source files ourself
+ if not source:
+ source = env.FindInstalledFiles()
+
+ if len(source)==0:
+ raise UserError, "No source for Package() given"
+
+ # decide which types of packages shall be built. Can be defined through
+ # four mechanisms: command line argument, keyword argument,
+ # environment argument and default selection( zip or tar.gz ) in that
+ # order.
+ try: kw['PACKAGETYPE']=env['PACKAGETYPE']
+ except KeyError: pass
+
+ if not kw.get('PACKAGETYPE'):
+ from SCons.Script import GetOption
+ kw['PACKAGETYPE'] = GetOption('package_type')
+
+ if kw['PACKAGETYPE'] == None:
+ if env['BUILDERS'].has_key('Tar'):
+ kw['PACKAGETYPE']='targz'
+ elif env['BUILDERS'].has_key('Zip'):
+ kw['PACKAGETYPE']='zip'
+ else:
+ raise UserError, "No type for Package() given"
+
+ PACKAGETYPE=kw['PACKAGETYPE']
+ if not is_List(PACKAGETYPE):
+ PACKAGETYPE=string.split(PACKAGETYPE, ',')
+
+ # load the needed packagers.
+ def load_packager(type):
+ try:
+ file,path,desc=imp.find_module(type, __path__)
+ return imp.load_module(type, file, path, desc)
+ except ImportError, e:
+ raise EnvironmentError("packager %s not available: %s"%(type,str(e)))
+
+ packagers=map(load_packager, PACKAGETYPE)
+
+ # set up targets and the PACKAGEROOT
+ try:
+ # fill up the target list with a default target name until the PACKAGETYPE
+ # list is of the same size as the target list.
+ if not target: target = []
+
+ size_diff = len(PACKAGETYPE)-len(target)
+ default_name = "%(NAME)s-%(VERSION)s"
+
+ if size_diff>0:
+ default_target = default_name%kw
+ target.extend( [default_target]*size_diff )
+
+ if not kw.has_key('PACKAGEROOT'):
+ kw['PACKAGEROOT'] = default_name%kw
+
+ except KeyError, e:
+ raise SCons.Errors.UserError( "Missing Packagetag '%s'"%e.args[0] )
+
+ # setup the source files
+ source=env.arg2nodes(source, env.fs.Entry)
+
+ # call the packager to setup the dependencies.
+ targets=[]
+ try:
+ for packager in packagers:
+ t=[target.pop(0)]
+ t=apply(packager.package, [env,t,source], kw)
+ targets.extend(t)
+
+ assert( len(target) == 0 )
+
+ except KeyError, e:
+ raise SCons.Errors.UserError( "Missing Packagetag '%s' for %s packager"\
+ % (e.args[0],packager.__name__) )
+ except TypeError, e:
+ # this exception means that a needed argument for the packager is
+ # missing. As our packagers get their "tags" as named function
+ # arguments we need to find out which one is missing.
+ from inspect import getargspec
+ args,varargs,varkw,defaults=getargspec(packager.package)
+ if defaults!=None:
+ args=args[:-len(defaults)] # throw away arguments with default values
+ args.remove('env')
+ args.remove('target')
+ args.remove('source')
+ # now remove any args for which we have a value in kw.
+ #args=[x for x in args if not kw.has_key(x)]
+ args=filter(lambda x, kw=kw: not kw.has_key(x), args)
+
+ if len(args)==0:
+ raise # must be a different error, so reraise
+ elif len(args)==1:
+ raise SCons.Errors.UserError( "Missing Packagetag '%s' for %s packager"\
+ % (args[0],packager.__name__) )
+ else:
+ raise SCons.Errors.UserError( "Missing Packagetags '%s' for %s packager"\
+ % (", ".join(args),packager.__name__) )
+
+ target=env.arg2nodes(target, env.fs.Entry)
+ targets.extend(env.Alias( 'package', targets ))
+ return targets
+
+#
+# SCons tool initialization functions
+#
+
+added = None
+
+def generate(env):
+ from SCons.Script import AddOption
+ global added
+ if not added:
+ added = 1
+ AddOption('--package-type',
+ dest='package_type',
+ default=None,
+ type="string",
+ action="store",
+ help='The type of package to create.')
+
+ try:
+ env['BUILDERS']['Package']
+ env['BUILDERS']['Tag']
+ except KeyError:
+ env['BUILDERS']['Package'] = Package
+ env['BUILDERS']['Tag'] = Tag
+
+def exists(env):
+ return 1
+
+# XXX
+def options(opts):
+ opts.AddVariables(
+ EnumVariable( 'PACKAGETYPE',
+ 'the type of package to create.',
+ None, allowed_values=map( str, __all__ ),
+ ignorecase=2
+ )
+ )
+
+#
+# Internal utility functions
+#
+
+def copy_attr(f1, f2):
+ """ copies the special packaging file attributes from f1 to f2.
+ """
+ #pattrs = [x for x in dir(f1) if not hasattr(f2, x) and\
+ # x.startswith('PACKAGING_')]
+ copyit = lambda x, f2=f2: not hasattr(f2, x) and x[:10] == 'PACKAGING_'
+ pattrs = filter(copyit, dir(f1))
+ for attr in pattrs:
+ setattr(f2, attr, getattr(f1, attr))
+def putintopackageroot(target, source, env, pkgroot, honor_install_location=1):
+ """ Uses the CopyAs builder to copy all source files to the directory given
+ in pkgroot.
+
+ If honor_install_location is set and the copied source file has an
+ PACKAGING_INSTALL_LOCATION attribute, the PACKAGING_INSTALL_LOCATION is
+ used as the new name of the source file under pkgroot.
+
+ The source file will not be copied if it is already under the the pkgroot
+ directory.
+
+ All attributes of the source file will be copied to the new file.
+ """
+ # make sure the packageroot is a Dir object.
+ if SCons.Util.is_String(pkgroot): pkgroot=env.Dir(pkgroot)
+ if not SCons.Util.is_List(source): source=[source]
+
+ new_source = []
+ for file in source:
+ if SCons.Util.is_String(file): file = env.File(file)
+
+ if file.is_under(pkgroot):
+ new_source.append(file)
+ else:
+ if hasattr(file, 'PACKAGING_INSTALL_LOCATION') and\
+ honor_install_location:
+ new_name=make_path_relative(file.PACKAGING_INSTALL_LOCATION)
+ else:
+ new_name=make_path_relative(file.get_path())
+
+ new_file=pkgroot.File(new_name)
+ new_file=env.CopyAs(new_file, file)[0]
+ copy_attr(file, new_file)
+ new_source.append(new_file)
+
+ return (target, new_source)
+
+def stripinstallbuilder(target, source, env):
+ """ strips the install builder action from the source list and stores
+ the final installation location as the "PACKAGING_INSTALL_LOCATION" of
+ the source of the source file. This effectively removes the final installed
+ files from the source list while remembering the installation location.
+
+ It also warns about files which have no install builder attached.
+ """
+ def has_no_install_location(file):
+ return not (file.has_builder() and\
+ hasattr(file.builder, 'name') and\
+ (file.builder.name=="InstallBuilder" or\
+ file.builder.name=="InstallAsBuilder"))
+
+ if len(filter(has_no_install_location, source)):
+ warn(Warning, "there are files to package which have no\
+ InstallBuilder attached, this might lead to irreproducible packages")
+
+ n_source=[]
+ for s in source:
+ if has_no_install_location(s):
+ n_source.append(s)
+ else:
+ for ss in s.sources:
+ n_source.append(ss)
+ copy_attr(s, ss)
+ setattr(ss, 'PACKAGING_INSTALL_LOCATION', s.get_path())
+
+ return (target, n_source)
+
+# Local Variables:
+# tab-width:4
+# indent-tabs-mode:nil
+# End:
+# vim: set expandtab tabstop=4 shiftwidth=4: