tvm.contrib.tar 源代码
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"""Util to invoke tarball in the system."""
# pylint: disable=invalid-name
from __future__ import absolute_import as _abs
import os
import shutil
import subprocess
from . import utils
from .._ffi.base import py_str
[文档]def tar(output, files):
"""Create tarball containing all files in root.
Parameters
----------
output : str
The target shared library.
files : list
List of files to be bundled.
"""
cmd = ["tar"]
cmd += ["-czf"]
temp = utils.tempdir()
fset = set()
for fname in files:
base = os.path.basename(fname)
if base in fset:
raise ValueError("duplicate file name %s" % base)
fset.add(base)
shutil.copy(fname, temp.relpath(base))
cmd += [output]
cmd += ["-C", temp.temp_dir]
cmd += temp.listdir()
proc = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
(out, _) = proc.communicate()
if proc.returncode != 0:
msg = "Tar error:\n"
msg += py_str(out)
raise RuntimeError(msg)
# assign output format
tar.output_format = "tar"
[文档]def untar(tar_file, directory):
"""Unpack all tar files into the directory
Parameters
----------
tar_file : str
The source tar file.
directory : str
The target directory
"""
cmd = ["tar"]
cmd += ["-xf"]
cmd += [tar_file]
cmd += ["-C", directory]
proc = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
(out, _) = proc.communicate()
if proc.returncode != 0:
msg = "Tar error:\n"
msg += py_str(out)
raise RuntimeError(msg)