Commit a2b9d125 authored by Kazuhiko Shiozaki's avatar Kazuhiko Shiozaki Committed by Xavier Thompson

[feat] Support network cache in Download.download()

parent 32832b92
......@@ -324,6 +324,9 @@ def _get_user_config():
return os.path.join(buildout_home, 'default.cfg')
network_cache_parameter_dict = {}
@commands
class Buildout(DictMixin):
......@@ -576,6 +579,31 @@ class Buildout(DictMixin):
os.chdir(options['directory'])
networkcache_section_name = options.get('networkcache-section')
if networkcache_section_name:
networkcache_section = self[networkcache_section_name]
for k in (
'download-cache-url',
'download-dir-url',
'upload-cache-url',
'upload-dir-url',
'signature-certificate-list',
'signature-private-key-file',
'shacache-ca-file',
'shacache-cert-file',
'shacache-key-file',
'shadir-ca-file',
'shadir-cert-file',
'shadir-key-file',
):
network_cache_parameter_dict[k] = networkcache_section.get(k, '')
# parse signature list
cert_marker = '-----BEGIN CERTIFICATE-----'
network_cache_parameter_dict['signature-certificate-list'] = \
[cert_marker + '\n' + q.strip() \
for q in network_cache_parameter_dict['signature-certificate-list'].split(cert_marker) \
if q.strip()]
def _buildout_path(self, name):
if '${' in name:
return name
......
......@@ -199,10 +199,29 @@ class Download(object):
handle, tmp_path = tempfile.mkstemp(prefix='buildout-')
os.close(handle)
try:
from .buildout import network_cache_parameter_dict as nc
if not download_network_cached(
nc.get('download-dir-url'),
nc.get('download-cache-url'),
tmp_path, url, self.logger,
nc.get('signature-certificate-list'), md5sum):
# Download from original url if not cached or md5sum doesn't match.
tmp_path, headers = urlretrieve(url, tmp_path)
if not check_md5sum(tmp_path, md5sum):
raise ChecksumError(
'MD5 checksum mismatch downloading %r' % url)
# Upload the file to network cache.
if nc.get('upload-cache-url') and nc.get('upload-dir-url'):
upload_network_cached(
nc.get('upload-dir-url'),
nc.get('upload-cache-url'), url, tmp_path, self.logger,
nc.get('signature-private-key-file'),
nc.get('shacache-ca-file'),
nc.get('shacache-cert-file'),
nc.get('shacache-key-file'),
nc.get('shadir-ca-file'),
nc.get('shadir-cert-file'),
nc.get('shadir-key-file'))
except IOError:
e = sys.exc_info()[1]
os.remove(tmp_path)
......@@ -271,6 +290,8 @@ def remove(path):
if os.path.exists(path):
os.remove(path)
from zc.buildout.networkcache import download_network_cached, \
upload_network_cached
def locate_at(source, dest):
if dest is None or realpath(dest) == realpath(source):
......
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