Remove Hammer files....

site_scons/site_tools/seven_zip.py

-#!/usr/bin/python2.4
-# Copyright 2008, Google Inc.
-# 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 Google Inc. 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.
-
-
-"""SCons tool for 7zip."""
-
-
-import os
-import shutil
-import subprocess
-import tempfile
-import SCons.Script
-
-
-def SevenZipGetFiles(env, source):
-  """SCons emitter for 7zip extract.
-
-  Examines the source 7z archive to determine the list of files which will be
-  created by extract/unzip operation.
-  Args:
-    env: The SCons environment to get the 7zip command line from.
-    source: The 7zip archive to examine.
-  Returns:
-    The list of filenames in the archive.
-  """
-  # Expand the command to list archive contents.
-  cmd = env.subst('$SEVEN_ZIP l "%s"' % source)
-  # Run it and capture output.
-  output = subprocess.Popen(cmd, stdout=subprocess.PIPE).communicate()[0]
-  # Strip off 7-line header and 3-line trailer from 7zip output.
-  lines = output.split('\r\n')[7:-3]
-  # Trim out just the files and their names.
-  files = [i[53:] for i in lines if i[20] != 'D']
-  return files
-
-
-def SevenZipEmitter(target, source, env):
-  """An emitter that decides what nodes are vented from a 7zip archive.
-
-  Args:
-    target: The target directory node.
-    source: The source archive node.
-    env: The environment in which the emit takes place.
-  Returns:
-    The pair (target, source) which lists the emitted targets and sources.
-  """
-  # Remember out dir for later.
-  env['SEVEN_ZIP_OUT_DIR'] = target[0].dir
-  # Get out contents
-  files = SevenZipGetFiles(env, env.subst('$SOURCE', source=source))
-  # Extract a layer deeper if there is only one, and it extension is 7z.
-  if env.get('SEVEN_ZIP_PEEL_LAYERS', False):
-    assert len(files) == 1 and os.path.splitext(files[0])[1] == '.7z'
-    # Create a temporary directory.
-    tmp_dir = tempfile.mkdtemp()
-    # Expand the command to extract the archive to a temporary location.
-    cmd = env.subst('$SEVEN_ZIP x $SOURCE -o"%s"' % tmp_dir, source=source[0])
-    # Run it and swallow output.
-    subprocess.Popen(cmd, stdout=subprocess.PIPE).communicate()
-    # Get contents.
-    inner_files = SevenZipGetFiles(env, os.path.join(tmp_dir, files[0]))
-    # Make into file nodes.
-    inner_files = [target[0].dir.File(i) for i in inner_files]
-    # Delete temp_dir.
-    shutil.rmtree(tmp_dir)
-    # Decide where to extra working file to.
-    working_file = env.Dir(target[0].dir.abspath +
-                           '.7zip_extract').File(files[0])
-    # Combine everything.
-    files = [working_file] + inner_files
-  else:
-    # Make into file nodes.
-    files = [target[0].dir.File(i) for i in files]
-  # Return files as actual target.
-  return (files, source)
-
-
-def SevenZipGenerator(source, target, env, for_signature):
-  """The generator function which decides how to extract a file."""
-
-  # Silence lint.
-  source = source
-  target = target
-  for_signature = for_signature
-
-  if env.get('SEVEN_ZIP_PEEL_LAYERS', False):
-    return [SCons.Script.Delete('$SEVEN_ZIP_OUT_DIR'),
-            '$SEVEN_ZIP x $SOURCE -o"${TARGET.dir}"',
-            '$SEVEN_ZIP x $TARGET -o"$SEVEN_ZIP_OUT_DIR"']
-  else:
-    return [SCons.Script.Delete('$SEVEN_ZIP_OUT_DIR'),
-            '$SEVEN_ZIP x $SOURCE -o"$SEVEN_ZIP_OUT_DIR"']
-
-
-def generate(env):
-  # NOTE: SCons requires the use of this name, which fails gpylint.
-  """SCons entry point for this tool."""
-
-  env.Replace(
-      SEVEN_ZIP='$SEVEN_ZIP_DIR/7za.exe',
-      SEVEN_ZIP_ARCHIVE_OPTIONS = ['-t7z', '-mx0'],
-      SEVEN_ZIP_COMPRESS_OPTIONS = ['-t7z', '-mx9'],
-  )
-
-  b = SCons.Script.Builder(generator=SevenZipGenerator,
-                           emitter=SevenZipEmitter)
-  env['BUILDERS']['Extract7zip'] = b
-
-  b = SCons.Script.Builder(
-      action=('cd $SOURCE && '
-              '$SEVEN_ZIP a $SEVEN_ZIP_ARCHIVE_OPTIONS ${TARGET.abspath} ./'))
-  env['BUILDERS']['Archive7zip'] = b
-
-  b = SCons.Script.Builder(
-      action=('cd ${SOURCE.dir} && '
-              '$SEVEN_ZIP a $SEVEN_ZIP_COMPRESS_OPTIONS '
-              '${TARGET.abspath} ${SOURCE.file}'))
-  env['BUILDERS']['Compress7zip'] = b