electron/script/lib/util.py

149 lines
3.3 KiB
Python

#!/usr/bin/env python
import atexit
import contextlib
import errno
import shutil
import subprocess
import sys
import tarfile
import tempfile
import urllib2
import os
import zipfile
def tempdir(prefix=''):
directory = tempfile.mkdtemp(prefix=prefix)
atexit.register(shutil.rmtree, directory)
return directory
@contextlib.contextmanager
def scoped_cwd(path):
cwd = os.getcwd()
os.chdir(path)
try:
yield
finally:
os.chdir(cwd)
def download(text, url, path):
safe_mkdir(os.path.dirname(path))
with open(path, 'w') as local_file:
web_file = urllib2.urlopen(url)
file_size = int(web_file.info().getheaders("Content-Length")[0])
downloaded_size = 0
block_size = 128
ci = os.environ.get('CI') == '1'
while True:
buf = web_file.read(block_size)
if not buf:
break
downloaded_size += len(buf)
local_file.write(buf)
if not ci:
percent = downloaded_size * 100. / file_size
status = "\r%s %10d [%3.1f%%]" % (text, downloaded_size, percent)
print status,
if ci:
print "%s done." % (text)
else:
print
return path
def extract_tarball(tarball_path, member, destination):
with tarfile.open(tarball_path) as tarball:
tarball.extract(member, destination)
def extract_zip(zip_path, destination):
if sys.platform == 'darwin':
# Use unzip command on Mac to keep symbol links in zip file work.
execute(['unzip', zip_path, '-d', destination])
else:
with zipfile.ZipFile(zip_path) as z:
z.extractall(destination)
def make_zip(zip_file_path, files, dirs):
safe_unlink(zip_file_path)
if sys.platform == 'darwin':
files += dirs
execute(['zip', '-r', '-y', zip_file_path] + files)
else:
zip_file = zipfile.ZipFile(zip_file_path, "w", zipfile.ZIP_DEFLATED)
for filename in files:
zip_file.write(filename, filename)
for dirname in dirs:
for root, _, filenames in os.walk(dirname):
for f in filenames:
zip_file.write(os.path.join(root, f))
zip_file.close()
def rm_rf(path):
try:
shutil.rmtree(path)
except OSError as e:
if e.errno != errno.ENOENT:
raise
def safe_unlink(path):
try:
os.unlink(path)
except OSError as e:
if e.errno != errno.ENOENT:
raise
def safe_mkdir(path):
try:
os.makedirs(path)
except OSError as e:
if e.errno != errno.EEXIST:
raise
def execute(argv):
try:
return subprocess.check_output(argv, stderr=subprocess.STDOUT)
except subprocess.CalledProcessError as e:
print e.output
raise e
def get_atom_shell_version():
return subprocess.check_output(['git', 'describe', '--tags']).strip()
def s3_config():
config = (os.environ.get('ATOM_SHELL_S3_BUCKET', ''),
os.environ.get('ATOM_SHELL_S3_ACCESS_KEY', ''),
os.environ.get('ATOM_SHELL_S3_SECRET_KEY', ''))
message = ('Error: Please set the $ATOM_SHELL_S3_BUCKET, '
'$ATOM_SHELL_S3_ACCESS_KEY, and '
'$ATOM_SHELL_S3_SECRET_KEY environment variables')
assert all(len(c) for c in config), message
return config
def s3put(bucket, access_key, secret_key, prefix, key_prefix, files):
args = [
's3put',
'--bucket', bucket,
'--access_key', access_key,
'--secret_key', secret_key,
'--prefix', prefix,
'--key_prefix', key_prefix,
'--grant', 'public-read'
] + files
execute(args)