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307 lines
10 KiB
307 lines
10 KiB
16 years ago
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"""SCons.Tool.Packaging
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SCons Packaging Tool.
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"""
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#
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# Copyright (c) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008 The SCons Foundation
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#
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# Permission is hereby granted, free of charge, to any person obtaining
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# a copy of this software and associated documentation files (the
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# "Software"), to deal in the Software without restriction, including
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# without limitation the rights to use, copy, modify, merge, publish,
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# distribute, sublicense, and/or sell copies of the Software, and to
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# permit persons to whom the Software is furnished to do so, subject to
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# the following conditions:
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#
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# The above copyright notice and this permission notice shall be included
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# in all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
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# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
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# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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#
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__revision__ = "src/engine/SCons/Tool/packaging/__init__.py 3842 2008/12/20 22:59:52 scons"
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import SCons.Environment
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from SCons.Variables import *
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from SCons.Errors import *
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from SCons.Util import is_List, make_path_relative
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from SCons.Warnings import warn, Warning
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import os, imp
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import SCons.Defaults
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__all__ = [ 'src_targz', 'src_tarbz2', 'src_zip', 'tarbz2', 'targz', 'zip', 'rpm', 'msi', 'ipk' ]
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#
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# Utility and Builder function
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#
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def Tag(env, target, source, *more_tags, **kw_tags):
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""" Tag a file with the given arguments, just sets the accordingly named
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attribute on the file object.
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TODO: FIXME
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"""
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if not target:
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target=source
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first_tag=None
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else:
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first_tag=source
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if first_tag:
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kw_tags[first_tag[0]] = ''
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if len(kw_tags) == 0 and len(more_tags) == 0:
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raise UserError, "No tags given."
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# XXX: sanity checks
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for x in more_tags:
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kw_tags[x] = ''
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if not SCons.Util.is_List(target):
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target=[target]
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else:
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# hmm, sometimes the target list, is a list of a list
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# make sure it is flattened prior to processing.
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# TODO: perhaps some bug ?!?
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target=env.Flatten(target)
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for t in target:
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for (k,v) in kw_tags.items():
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# all file tags have to start with PACKAGING_, so we can later
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# differentiate between "normal" object attributes and the
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# packaging attributes. As the user should not be bothered with
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# that, the prefix will be added here if missing.
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#if not k.startswith('PACKAGING_'):
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if k[:10] != 'PACKAGING_':
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k='PACKAGING_'+k
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setattr(t, k, v)
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def Package(env, target=None, source=None, **kw):
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""" Entry point for the package tool.
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"""
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# check if we need to find the source files ourself
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if not source:
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source = env.FindInstalledFiles()
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if len(source)==0:
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raise UserError, "No source for Package() given"
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# decide which types of packages shall be built. Can be defined through
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# four mechanisms: command line argument, keyword argument,
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# environment argument and default selection( zip or tar.gz ) in that
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# order.
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try: kw['PACKAGETYPE']=env['PACKAGETYPE']
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except KeyError: pass
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if not kw.get('PACKAGETYPE'):
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from SCons.Script import GetOption
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kw['PACKAGETYPE'] = GetOption('package_type')
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if kw['PACKAGETYPE'] == None:
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if env['BUILDERS'].has_key('Tar'):
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kw['PACKAGETYPE']='targz'
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elif env['BUILDERS'].has_key('Zip'):
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kw['PACKAGETYPE']='zip'
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else:
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raise UserError, "No type for Package() given"
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PACKAGETYPE=kw['PACKAGETYPE']
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if not is_List(PACKAGETYPE):
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PACKAGETYPE=string.split(PACKAGETYPE, ',')
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# load the needed packagers.
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def load_packager(type):
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try:
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file,path,desc=imp.find_module(type, __path__)
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return imp.load_module(type, file, path, desc)
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except ImportError, e:
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raise EnvironmentError("packager %s not available: %s"%(type,str(e)))
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packagers=map(load_packager, PACKAGETYPE)
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# set up targets and the PACKAGEROOT
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try:
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# fill up the target list with a default target name until the PACKAGETYPE
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# list is of the same size as the target list.
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if not target: target = []
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size_diff = len(PACKAGETYPE)-len(target)
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default_name = "%(NAME)s-%(VERSION)s"
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if size_diff>0:
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default_target = default_name%kw
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target.extend( [default_target]*size_diff )
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if not kw.has_key('PACKAGEROOT'):
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kw['PACKAGEROOT'] = default_name%kw
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except KeyError, e:
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raise SCons.Errors.UserError( "Missing Packagetag '%s'"%e.args[0] )
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# setup the source files
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source=env.arg2nodes(source, env.fs.Entry)
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# call the packager to setup the dependencies.
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targets=[]
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try:
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for packager in packagers:
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t=[target.pop(0)]
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t=apply(packager.package, [env,t,source], kw)
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targets.extend(t)
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assert( len(target) == 0 )
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except KeyError, e:
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raise SCons.Errors.UserError( "Missing Packagetag '%s' for %s packager"\
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% (e.args[0],packager.__name__) )
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except TypeError, e:
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# this exception means that a needed argument for the packager is
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# missing. As our packagers get their "tags" as named function
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# arguments we need to find out which one is missing.
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from inspect import getargspec
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args,varargs,varkw,defaults=getargspec(packager.package)
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if defaults!=None:
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args=args[:-len(defaults)] # throw away arguments with default values
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map(args.remove, 'env target source'.split())
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# now remove any args for which we have a value in kw.
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#args=[x for x in args if not kw.has_key(x)]
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args=filter(lambda x, kw=kw: not kw.has_key(x), args)
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if len(args)==0:
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raise # must be a different error, so reraise
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elif len(args)==1:
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raise SCons.Errors.UserError( "Missing Packagetag '%s' for %s packager"\
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% (args[0],packager.__name__) )
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else:
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raise SCons.Errors.UserError( "Missing Packagetags '%s' for %s packager"\
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% (", ".join(args),packager.__name__) )
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target=env.arg2nodes(target, env.fs.Entry)
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targets.extend(env.Alias( 'package', targets ))
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return targets
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#
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# SCons tool initialization functions
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#
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added = None
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def generate(env):
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from SCons.Script import AddOption
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global added
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if not added:
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added = 1
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AddOption('--package-type',
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dest='package_type',
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default=None,
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type="string",
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action="store",
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help='The type of package to create.')
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try:
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env['BUILDERS']['Package']
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env['BUILDERS']['Tag']
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except KeyError:
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env['BUILDERS']['Package'] = Package
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env['BUILDERS']['Tag'] = Tag
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def exists(env):
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return 1
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# XXX
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def options(opts):
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opts.AddVariables(
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EnumVariable( 'PACKAGETYPE',
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'the type of package to create.',
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None, allowed_values=map( str, __all__ ),
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ignorecase=2
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)
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)
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#
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# Internal utility functions
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#
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def copy_attr(f1, f2):
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""" copies the special packaging file attributes from f1 to f2.
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"""
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#pattrs = [x for x in dir(f1) if not hasattr(f2, x) and\
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# x.startswith('PACKAGING_')]
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copyit = lambda x, f2=f2: not hasattr(f2, x) and x[:10] == 'PACKAGING_'
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pattrs = filter(copyit, dir(f1))
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for attr in pattrs:
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setattr(f2, attr, getattr(f1, attr))
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def putintopackageroot(target, source, env, pkgroot, honor_install_location=1):
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""" Uses the CopyAs builder to copy all source files to the directory given
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in pkgroot.
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If honor_install_location is set and the copied source file has an
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PACKAGING_INSTALL_LOCATION attribute, the PACKAGING_INSTALL_LOCATION is
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used as the new name of the source file under pkgroot.
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The source file will not be copied if it is already under the the pkgroot
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directory.
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All attributes of the source file will be copied to the new file.
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"""
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# make sure the packageroot is a Dir object.
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if SCons.Util.is_String(pkgroot): pkgroot=env.Dir(pkgroot)
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if not SCons.Util.is_List(source): source=[source]
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new_source = []
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for file in source:
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if SCons.Util.is_String(file): file = env.File(file)
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if file.is_under(pkgroot):
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new_source.append(file)
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else:
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if hasattr(file, 'PACKAGING_INSTALL_LOCATION') and\
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honor_install_location:
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new_name=make_path_relative(file.PACKAGING_INSTALL_LOCATION)
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else:
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new_name=make_path_relative(file.get_path())
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new_file=pkgroot.File(new_name)
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new_file=env.CopyAs(new_file, file)[0]
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copy_attr(file, new_file)
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new_source.append(new_file)
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return (target, new_source)
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def stripinstallbuilder(target, source, env):
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""" strips the install builder action from the source list and stores
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the final installation location as the "PACKAGING_INSTALL_LOCATION" of
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the source of the source file. This effectively removes the final installed
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files from the source list while remembering the installation location.
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It also warns about files which have no install builder attached.
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"""
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def has_no_install_location(file):
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return not (file.has_builder() and\
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hasattr(file.builder, 'name') and\
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(file.builder.name=="InstallBuilder" or\
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file.builder.name=="InstallAsBuilder"))
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if len(filter(has_no_install_location, source)):
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warn(Warning, "there are files to package which have no\
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InstallBuilder attached, this might lead to irreproducible packages")
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n_source=[]
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for s in source:
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if has_no_install_location(s):
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n_source.append(s)
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else:
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for ss in s.sources:
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n_source.append(ss)
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copy_attr(s, ss)
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setattr(ss, 'PACKAGING_INSTALL_LOCATION', s.get_path())
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return (target, n_source)
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