def get_sha1(self):
if self._sha1 is None:
if self.relative_offset == 0 and self.length == self.upload_source.get_content_length(
):
# this is part is equal to whole upload source - so we use `get_content_sha1()`
# and if sha1 is already given, we skip computing it again
self._sha1 = self.upload_source.get_content_sha1()
else:
with self._get_stream() as stream:
self._sha1, _ = hex_sha1_of_unlimited_stream(stream)
return self._sha1
def get_subpart_id(self):
with self._get_stream() as stream:
sha1, _ = hex_sha1_of_unlimited_stream(stream)
return sha1
def _set_content_length_and_sha1(self):
sha1, content_length = hex_sha1_of_unlimited_stream(self.open())
self._content_length = content_length
self._content_sha1 = sha1
def get_sha1(self):
if self._sha1 is None and self.is_hashable():
with self._get_stream() as stream:
self._sha1, _ = hex_sha1_of_unlimited_stream(stream)
return self._sha1
