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Diffstat (limited to 'site_scons/site_tools/seven_zip.py')
| -rw-r--r-- | site_scons/site_tools/seven_zip.py | 145 |
1 files changed, 0 insertions, 145 deletions
diff --git a/site_scons/site_tools/seven_zip.py b/site_scons/site_tools/seven_zip.py deleted file mode 100644 index 94d807f..0000000 --- a/site_scons/site_tools/seven_zip.py +++ /dev/null @@ -1,145 +0,0 @@ -#!/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 |