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#!/usr/bin/env python
# License: GPL v3 Copyright: 2019, Eli Schwartz <eschwartz@archlinux.org>
import os
import shutil
import tarfile
import time
from io import BytesIO
from setup import Command, download_securely, is_ci
class ReVendor(Command):
# NAME = TAR_NAME = VERSION = DOWNLOAD_URL = ''
CAN_USE_SYSTEM_VERSION = True
def add_options(self, parser):
parser.add_option('--path-to-%s' % self.NAME, help='Path to the extracted %s source' % self.TAR_NAME)
parser.add_option('--%s-url' % self.NAME, default=self.DOWNLOAD_URL,
help='URL to %s source archive in tar.gz format' % self.TAR_NAME)
if self.CAN_USE_SYSTEM_VERSION:
parser.add_option('--system-%s' % self.NAME, default=False, action='store_true',
help='Treat %s as system copy and symlink instead of copy' % self.TAR_NAME)
def download_vendor_release(self, tdir, url):
self.info('Downloading %s:' % self.TAR_NAME, url)
num = 5 if is_ci else 1
for i in range(num):
try:
raw = download_securely(url)
except Exception as err:
if i == num - 1:
raise
self.info(f'Download failed with error "{err}" sleeping and retrying...')
time.sleep(2)
with tarfile.open(fileobj=BytesIO(raw)) as tf:
tf.extractall(tdir)
if len(os.listdir(tdir)) == 1:
return self.j(tdir, os.listdir(tdir)[0])
else:
return tdir
def add_file_pre(self, name, raw):
pass
def add_file(self, path, name):
with open(path, 'rb') as f:
raw = f.read()
self.add_file_pre(name, raw)
dest = self.j(self.vendored_dir, *name.split('/'))
base = os.path.dirname(dest)
if not os.path.exists(base):
os.makedirs(base)
if self.use_symlinks:
os.symlink(path, dest)
else:
with open(dest, 'wb') as f:
f.write(raw)
def add_tree(self, base, prefix, ignore=lambda n:False):
for dirpath, dirnames, filenames in os.walk(base):
for fname in sorted(filenames):
f = os.path.join(dirpath, fname)
name = prefix + '/' + os.path.relpath(f, base).replace(os.sep, '/')
if not ignore(name):
self.add_file(f, name)
@property
def vendored_dir(self):
return self.j(self.RESOURCES, self.NAME)
def clean(self):
if os.path.exists(self.vendored_dir):
shutil.rmtree(self.vendored_dir)
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