gem5/src/python/SConscript

# -*- mode:python -*-

# Copyright (c) 2004-2005 The Regents of The University of Michigan
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met: redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer;
# redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution;
# neither the name of the copyright holders nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

import os, os.path, re, sys
from zipfile import PyZipFile

# handy function for path joins
def join(*args):
    return os.path.normpath(os.path.join(*args))

Import('env')

# This SConscript is in charge of collecting .py files and generating a zip archive that is appended to the m5 binary.

# Copy .py source files here (relative to src/python in the build
# directory).
pyzip_root = 'zip'

# List of files & directories to include in the zip file.  To include
# a package, list only the root directory of the package, not any
# internal .py files (else they will get the path stripped off when
# they are imported into the zip file).
pyzip_files = []

# List of additional files on which the zip archive depends, but which
# are not included in pyzip_files... i.e. individual .py files within
# a package.
pyzip_dep_files = []

# Add the specified package to the zip archive.  Adds the directory to
# pyzip_files and all included .py files to pyzip_dep_files.
def addPkg(pkgdir):
    pyzip_files.append(join(pyzip_root, pkgdir))
    origdir = os.getcwd()
    srcdir = join(Dir('.').srcnode().abspath, pkgdir)
    os.chdir(srcdir)
    for path, dirs, files in os.walk('.'):
        for i,dir in enumerate(dirs):
            if dir == 'SCCS':
                del dirs[i]
                break

        for f in files:
            if f.endswith('.py'):
                source = join(pkgdir, path, f)
                target = join(pyzip_root, source)
                pyzip_dep_files.append(target)
                env.CopyFile(target, source)

    os.chdir(origdir)

# Generate Python file that contains a dict specifying the current
# build_env flags.
def MakeDefinesPyFile(target, source, env):
    f = file(str(target[0]), 'w')
    print >>f, "import __main__"
    print >>f, "__main__.m5_build_env = ",
    print >>f, source[0]
    f.close()

optionDict = dict([(opt, env[opt]) for opt in env.ExportOptions])
env.Command('defines.py', Value(optionDict), MakeDefinesPyFile)

# Now specify the packages & files for the zip archive.
addPkg('m5')
pyzip_files.append('defines.py')
pyzip_files.append(join(env['ROOT'], 'util/pbs/jobfile.py'))

# Action function to build the zip archive.  Uses the PyZipFile module
# included in the standard Python library.
def buildPyZip(target, source, env):
    pzf = PyZipFile(str(target[0]), 'w')
    for s in source:
        pzf.writepy(str(s))

# Add the zip file target to the environment.
env.Command('m5py.zip', pyzip_files, buildPyZip)
env.Depends('m5py.zip', pyzip_dep_files)