def unpackexe(exefile, destdir):
"""Unpack the given exefile into destdir, using 7z"""
nullfd = open(os.devnull, "w")
exefile = cygpath(os.path.abspath(exefile))
try:
check_call([SEVENZIP, 'x', exefile], cwd=destdir,
stdout=nullfd, preexec_fn=_noumask)
except:
log.exception("Error unpacking exe %s to %s", exefile, destdir)
raise
nullfd.close()
def unpackmar(marfile, destdir):
"""Unpack marfile into destdir"""
marfile = cygpath(os.path.abspath(marfile))
nullfd = open(os.devnull, "w")
try:
check_call([MAR, '-x', marfile], cwd=destdir,
stdout=nullfd, preexec_fn=_noumask)
except:
log.exception("Error unpacking mar file %s to %s", marfile, destdir)
raise
nullfd.close()
def unpacktar(tarfile, destdir):
""" Unpack given tarball into the specified dir """
nullfd = open(os.devnull, "w")
tarfile = cygpath(os.path.abspath(tarfile))
log.debug("unpack tar %s into %s", tarfile, destdir)
try:
check_call([TAR, '-xzf', tarfile], cwd=destdir,
stdout=nullfd, preexec_fn=_noumask)
except:
log.exception("Error unpacking tar file %s to %s", tarfile, destdir)
raise
nullfd.close()
def packmar(marfile, srcdir):
"""Create marfile from the contents of srcdir"""
nullfd = open(os.devnull, "w")
files = [f[len(srcdir) + 1:] for f in findfiles(srcdir)]
marfile = cygpath(os.path.abspath(marfile))
try:
check_call(
[MAR, '-c', marfile] + files, cwd=srcdir, preexec_fn=_noumask)
except:
log.exception("Error packing mar file %s from %s", marfile, srcdir)
raise
nullfd.close()
def packtar(tarfile, files, srcdir):
""" Pack the given files into a tar, setting cwd = srcdir"""
nullfd = open(os.devnull, "w")
tarfile = cygpath(os.path.abspath(tarfile))
log.debug("pack tar %s from folder %s with files ", tarfile, srcdir)
log.debug(files)
try:
check_call([TAR, '-czf', tarfile] + files, cwd=srcdir,
stdout=nullfd, preexec_fn=_noumask)
except:
log.exception("Error packing tar file %s to %s", tarfile, srcdir)
raise
nullfd.close()
def packexe(exefile, srcdir):
"""Pack the files in srcdir into exefile using 7z.
Requires that stub files are available in checkouts/stubs"""
exefile = cygpath(os.path.abspath(exefile))
appbundle = exefile + ".app.7z"
# Make sure that appbundle doesn't already exist
# We don't want to risk appending to an existing file
if os.path.exists(appbundle):
raise OSError("%s already exists" % appbundle)
files = os.listdir(srcdir)
SEVENZIP_ARGS = ['-r', '-t7z', '-mx', '-m0=BCJ2', '-m1=LZMA:d27',
'-m2=LZMA:d19:mf=bt2', '-m3=LZMA:d19:mf=bt2', '-mb0:1', '-mb0s1:2',
'-mb0s2:3', '-m1fb=128', '-m1lc=4']
# First, compress with 7z
stdout = tempfile.TemporaryFile()
try:
check_call([SEVENZIP, 'a'] + SEVENZIP_ARGS + [appbundle] + files,
cwd=srcdir, stdout=stdout, preexec_fn=_noumask)
except:
stdout.seek(0)
data = stdout.read()
log.error(data)
log.exception("Error packing exe %s from %s", exefile, srcdir)
raise
stdout.close()
# Then prepend our stubs onto the compressed 7z data
o = open(exefile, "wb")
parts = [
'checkouts/stubs/7z/7zSD.sfx.compressed',
'checkouts/stubs/tagfile/app.tag',
appbundle
]
for part in parts:
i = open(part)
while True:
block = i.read(4096)
if not block:
break
o.write(block)
i.close()
o.close()
os.unlink(appbundle)
