def _read(self, name, start_range=None, end_range=None):
name = self._clean_name(name)
if start_range is None:
headers = {}
else:
headers = {'Range': 'bytes=%s-%s' % (start_range, end_range)}
res = self.connection.get_object(self.bucket, name, headers)
if (res.status / 100) == 2:
header_map = convert_header2map(res.getheaders())
etag = safe_get_element("etag", header_map).upper()
content_range = safe_get_element("content-range", header_map)
if self.encrypt:
pass
return res.read(), etag, content_range
else:
raise IOError("OssStorageError: %s" % res.read())
def size(self, name):
name = self._clean_name(name)
if self.entries:
entry = self.entries.get(name)
if entry:
return int(entry[3])
return 0
res = self.connection.head_object(self.bucket, name, self.headers)
if (res.status / 100) == 2:
header_map = convert_header2map(res.getheaders())
content_length = safe_get_element("content-length", header_map)
return content_length and int(content_length) or 0
def modified_time(self, name):
try:
from dateutil import parser, tz
except ImportError:
raise NotImplementedError()
name = self._clean_name(name)
if self.entries:
last_modified = self.entries.get(name)[1]
else:
res = self.connection.head_object(self.bucket, name)
header_map = convert_header2map(res.getheaders())
last_modified = safe_get_element('Last-Modified', header_map)
last_modified = unicode(last_modified)
# convert to string to date
last_modified_date = parser.parse(last_modified)
# if the date has no timzone, assume UTC
if last_modified_date.tzinfo == None:
last_modified_date = last_modified_date.replace(tzinfo=tz.tzutc())
# convert date to local time w/o timezone
return last_modified_date.astimezone(tz.tzlocal()).replace(tzinfo=None)
