Added an unmodified copy of SCons to third_party.

scons-2.0.1/engine/SCons/Tool/packaging/ipk.py

+"""SCons.Tool.Packaging.ipk
+"""
+
+#
+# Copyright (c) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 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/ipk.py 5134 2010/08/16 23:02:40 bdeegan"
+
+import SCons.Builder
+import SCons.Node.FS
+import os
+
+from SCons.Tool.packaging import stripinstallbuilder, putintopackageroot
+
+def package(env, target, source, PACKAGEROOT, NAME, VERSION, DESCRIPTION,
+            SUMMARY, X_IPK_PRIORITY, X_IPK_SECTION, SOURCE_URL,
+            X_IPK_MAINTAINER, X_IPK_DEPENDS, **kw):
+    """ this function prepares the packageroot directory for packaging with the
+    ipkg builder.
+    """
+    SCons.Tool.Tool('ipkg').generate(env)
+
+    # setup the Ipkg builder
+    bld = env['BUILDERS']['Ipkg']
+    target, source = stripinstallbuilder(target, source, env)
+    target, source = putintopackageroot(target, source, env, PACKAGEROOT)
+
+    # This should be overridable from the construction environment,
+    # which it is by using ARCHITECTURE=.
+    # Guessing based on what os.uname() returns at least allows it
+    # to work for both i386 and x86_64 Linux systems.
+    archmap = {
+        'i686'  : 'i386',
+        'i586'  : 'i386',
+        'i486'  : 'i386',
+    }
+
+    buildarchitecture = os.uname()[4]
+    buildarchitecture = archmap.get(buildarchitecture, buildarchitecture)
+
+    if 'ARCHITECTURE' in kw:
+        buildarchitecture = kw['ARCHITECTURE']
+
+    # setup the kw to contain the mandatory arguments to this fucntion.
+    # do this before calling any builder or setup function
+    loc=locals()
+    del loc['kw']
+    kw.update(loc)
+    del kw['source'], kw['target'], kw['env']
+
+    # generate the specfile
+    specfile = gen_ipk_dir(PACKAGEROOT, source, env, kw)
+
+    # override the default target.
+    if str(target[0])=="%s-%s"%(NAME, VERSION):
+        target=[ "%s_%s_%s.ipk"%(NAME, VERSION, buildarchitecture) ]
+
+    # now apply the Ipkg builder
+    return bld(env, target, specfile, **kw)
+
+def gen_ipk_dir(proot, source, env, kw):
+    # make sure the packageroot is a Dir object.
+    if SCons.Util.is_String(proot): proot=env.Dir(proot)
+
+    #  create the specfile builder
+    s_bld=SCons.Builder.Builder(
+        action  = build_specfiles,
+        )
+
+    # create the specfile targets
+    spec_target=[]
+    control=proot.Dir('CONTROL')
+    spec_target.append(control.File('control'))
+    spec_target.append(control.File('conffiles'))
+    spec_target.append(control.File('postrm'))
+    spec_target.append(control.File('prerm'))
+    spec_target.append(control.File('postinst'))
+    spec_target.append(control.File('preinst'))
+
+    # apply the builder to the specfile targets
+    s_bld(env, spec_target, source, **kw)
+
+    # the packageroot directory does now contain the specfiles.
+    return proot
+
+def build_specfiles(source, target, env):
+    """ filter the targets for the needed files and use the variables in env
+    to create the specfile.
+    """
+    #
+    # At first we care for the CONTROL/control file, which is the main file for ipk.
+    #
+    # For this we need to open multiple files in random order, so we store into
+    # a dict so they can be easily accessed.
+    #
+    #
+    opened_files={}
+    def open_file(needle, haystack):
+        try:
+            return opened_files[needle]
+        except KeyError:
+            file=filter(lambda x: x.get_path().rfind(needle)!=-1, haystack)[0]
+            opened_files[needle]=open(file.abspath, 'w')
+            return opened_files[needle]
+
+    control_file=open_file('control', target)
+
+    if 'X_IPK_DESCRIPTION' not in env:
+        env['X_IPK_DESCRIPTION']="%s\n %s"%(env['SUMMARY'],
+                                            env['DESCRIPTION'].replace('\n', '\n '))
+
+
+    content = """
+Package: $NAME
+Version: $VERSION
+Priority: $X_IPK_PRIORITY
+Section: $X_IPK_SECTION
+Source: $SOURCE_URL
+Architecture: $ARCHITECTURE
+Maintainer: $X_IPK_MAINTAINER
+Depends: $X_IPK_DEPENDS
+Description: $X_IPK_DESCRIPTION
+"""
+
+    control_file.write(env.subst(content))
+
+    #
+    # now handle the various other files, which purpose it is to set post-, 
+    # pre-scripts and mark files as config files.
+    #
+    # We do so by filtering the source files for files which are marked with
+    # the "config" tag and afterwards we do the same for x_ipk_postrm,
+    # x_ipk_prerm, x_ipk_postinst and x_ipk_preinst tags.
+    #
+    # The first one will write the name of the file into the file
+    # CONTROL/configfiles, the latter add the content of the x_ipk_* variable
+    # into the same named file.
+    #
+    for f in [x for x in source if 'PACKAGING_CONFIG' in dir(x)]:
+        config=open_file('conffiles')
+        config.write(f.PACKAGING_INSTALL_LOCATION)
+        config.write('\n')
+
+    for str in 'POSTRM PRERM POSTINST PREINST'.split():
+        name="PACKAGING_X_IPK_%s"%str
+        for f in [x for x in source if name in dir(x)]:
+            file=open_file(name)
+            file.write(env[str])
+
+    #
+    # close all opened files
+    for f in opened_files.values():
+        f.close()
+
+    # call a user specified function
+    if 'CHANGE_SPECFILE' in env:
+        content += env['CHANGE_SPECFILE'](target)
+
+    return 0
+
+# Local Variables:
+# tab-width:4
+# indent-tabs-mode:nil
+# End:
+# vim: set expandtab tabstop=4 shiftwidth=4: