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import os.path
zcat = 'gzip -d -c'
#
# Figure out if we can handle .zip files.
#
zipit = None
unzipit = None
try:
import zipfile
def zipit(env, target, source):
print("Zipping %s:" % str(target[0]))
def visit(arg, dirname, filenames):
for filename in filenames:
path = os.path.join(dirname, filename)
if os.path.isfile(path):
arg.write(path)
# default ZipFile compression is ZIP_STORED
zf = zipfile.ZipFile(str(target[0]), 'w', compression=zipfile.ZIP_DEFLATED)
olddir = os.getcwd()
os.chdir(env['CD'])
try:
for dirname, dirnames, filenames in os.walk(env['PSV']):
visit(zf, dirname, filenames)
finally:
os.chdir(olddir)
zf.close()
def unzipit(env, target, source):
print("Unzipping %s:" % str(source[0]))
zf = zipfile.ZipFile(str(source[0]), 'r')
for name in zf.namelist():
dest = os.path.join(env['UNPACK_ZIP_DIR'], name)
dir = os.path.dirname(dest)
try:
os.makedirs(dir)
except:
pass
print(dest,name)
# if the file exists, then delete it before writing
# to it so that we don't end up trying to write to a symlink:
if os.path.isfile(dest) or os.path.islink(dest):
os.unlink(dest)
if not os.path.isdir(dest):
with open(dest, 'wb') as fp:
fp.write(zf.read(name))
except ImportError:
if unzip and zip:
zipit = "cd $CD && $ZIP $ZIPFLAGS $( ${TARGET.abspath} $) $PSV"
unzipit = "$UNZIP $UNZIPFLAGS $SOURCES"
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