89 lines
1.7 KiB
Python
89 lines
1.7 KiB
Python
#!/usr/bin/env python
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import atexit
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import contextlib
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import errno
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import shutil
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import subprocess
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import sys
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import tarfile
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import tempfile
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import urllib2
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import os
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import zipfile
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def tempdir(prefix=''):
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directory = tempfile.mkdtemp(prefix=prefix)
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atexit.register(shutil.rmtree, directory)
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return directory
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@contextlib.contextmanager
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def scoped_cwd(path):
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cwd = os.getcwd()
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os.chdir(path)
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try:
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yield
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finally:
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os.chdir(cwd)
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def download(text, url, path):
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with open(path, 'w') as local_file:
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web_file = urllib2.urlopen(url)
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file_size = int(web_file.info().getheaders("Content-Length")[0])
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downloaded_size = 0
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block_size = 128
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while True:
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buf = web_file.read(block_size)
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if not buf:
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break
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downloaded_size += len(buf)
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local_file.write(buf)
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percent = downloaded_size * 100. / file_size
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status = "\r%s %10d [%3.1f%%]" % (text, downloaded_size, percent)
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print status,
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print
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def extract_tarball(tarball_path, member, destination):
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with tarfile.open(tarball_path) as tarball:
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tarball.extract(member, destination)
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def extract_zip(zip_path, destination):
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if sys.platform == 'darwin':
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# Use unzip command on Mac to keep symbol links in zip file work.
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subprocess.check_call(['unzip', zip_path, '-d', destination])
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else:
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with zipfile.ZipFile(zip_path) as z:
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z.extractall(destination)
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def rm_rf(path):
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try:
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shutil.rmtree(path)
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except OSError as e:
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if e.errno != errno.ENOENT:
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raise
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def safe_unlink(path):
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try:
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os.unlink(path)
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except OSError as e:
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if e.errno != errno.ENOENT:
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raise
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def safe_mkdir(path):
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try:
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os.makedirs(path)
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except OSError as e:
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if e.errno != errno.EEXIST:
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raise
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