this_part_size = min(left, part_size)
for y in range(this_part_size / chunk):
s = s + strpart
+ remaining = this_part_size - len(s)
+ if remaining > 0:
+ s += strpart[0:remaining]
yield s
if (x == size):
return
-def _multipart_upload(bucket, s3_key_name, size, part_size=5*1024*1024, do_list=None, headers=None, metadata=None):
+
+def _multipart_upload(bucket, s3_key_name, size, part_size=5*1024*1024, do_list=None, headers=None, metadata=None, resend_part=-1):
"""
generate a multi-part upload for a random file of specifed size,
if requested, generate a list of the parts
return the upload descriptor
"""
upload = bucket.initiate_multipart_upload(s3_key_name, headers=headers, metadata=metadata)
+ s = ''
for i, part in enumerate(generate_random(size, part_size)):
+ s += part
transfer_part(bucket, upload.id, upload.key_name, i, part)
+ if resend_part == i:
+ transfer_part(bucket, upload.id, upload.key_name, i, part)
if do_list is not None:
l = bucket.list_multipart_uploads()
l = list(l)
- return upload
+ return (upload, s)
+
+@attr(resource='object')
+@attr(method='put')
+@attr(operation='check multipart upload without parts')
+def test_multipart_upload_empty():
+ bucket = get_new_bucket()
+ key = "mymultipart"
+ (upload, data) = _multipart_upload(bucket, key, 0)
+ e = assert_raises(boto.exception.S3ResponseError, upload.complete_upload)
+ eq(e.status, 400)
+ eq(e.error_code, u'MalformedXML')
+
+@attr(resource='object')
+@attr(method='put')
+@attr(operation='check multipart uploads with single small part')
+def test_multipart_upload_small():
+ bucket = get_new_bucket()
+ key = "mymultipart"
+ size = 1
+ (upload, data) = _multipart_upload(bucket, key, size)
+ upload.complete_upload()
+ key2 = bucket.get_key(key)
+ eq(key2.size, size)
@attr(resource='object')
@attr(method='put')
bucket = get_new_bucket()
key="mymultipart"
content_type='text/bla'
- upload = _multipart_upload(bucket, key, 30 * 1024 * 1024, headers={'Content-Type': content_type}, metadata={'foo': 'bar'})
+ (upload, data) = _multipart_upload(bucket, key, 30 * 1024 * 1024, headers={'Content-Type': content_type}, metadata={'foo': 'bar'})
upload.complete_upload()
(obj_count, bytes_used) = _head_bucket(bucket)
@attr(resource='object')
@attr(method='put')
@attr(operation='complete multiple multi-part upload with different sizes')
+@attr(resource='object')
+@attr(method='put')
+@attr(operation='complete multi-part upload')
+@attr(assertion='successful')
+def test_multipart_upload_resend_part():
+ bucket = get_new_bucket()
+ key="mymultipart"
+ content_type='text/bla'
+ objlen = 30 * 1024 * 1024
+ (upload, data) = _multipart_upload(bucket, key, objlen, headers={'Content-Type': content_type}, metadata={'foo': 'bar'}, resend_part=1)
+ upload.complete_upload()
+
+ (obj_count, bytes_used) = _head_bucket(bucket)
+
+ # eq(obj_count, 1)
+ # eq(bytes_used, 30 * 1024 * 1024)
+
+ k=bucket.get_key(key)
+ eq(k.metadata['foo'], 'bar')
+ eq(k.content_type, content_type)
+ test_string=k.get_contents_as_string()
+ eq(k.size, len(test_string))
+ eq(k.size, objlen)
+ eq(test_string, data)
+
@attr(assertion='successful')
def test_multipart_upload_multiple_sizes():
bucket = get_new_bucket()
key="mymultipart"
- upload = _multipart_upload(bucket, key, 5 * 1024 * 1024)
+ (upload, data) = _multipart_upload(bucket, key, 5 * 1024 * 1024)
upload.complete_upload()
- upload = _multipart_upload(bucket, key, 5 * 1024 * 1024 + 100 * 1024)
+ (upload, data) = _multipart_upload(bucket, key, 5 * 1024 * 1024 + 100 * 1024)
upload.complete_upload()
- upload = _multipart_upload(bucket, key, 5 * 1024 * 1024 + 600 * 1024)
+ (upload, data) = _multipart_upload(bucket, key, 5 * 1024 * 1024 + 600 * 1024)
upload.complete_upload()
- upload = _multipart_upload(bucket, key, 10 * 1024 * 1024 + 100 * 1024)
+ (upload, data) = _multipart_upload(bucket, key, 10 * 1024 * 1024 + 100 * 1024)
upload.complete_upload()
- upload = _multipart_upload(bucket, key, 10 * 1024 * 1024 + 600 * 1024)
+ (upload, data) = _multipart_upload(bucket, key, 10 * 1024 * 1024 + 600 * 1024)
upload.complete_upload()
- upload = _multipart_upload(bucket, key, 10 * 1024 * 1024)
+ (upload, data) = _multipart_upload(bucket, key, 10 * 1024 * 1024)
upload.complete_upload()
@attr(resource='object')
def test_multipart_upload_size_too_small():
bucket = get_new_bucket()
key="mymultipart"
- upload = _multipart_upload(bucket, key, 100 * 1024, part_size=10*1024)
+ (upload, data) = _multipart_upload(bucket, key, 100 * 1024, part_size=10*1024)
e = assert_raises(boto.exception.S3ResponseError, upload.complete_upload)
eq(e.status, 400)
eq(e.error_code, u'EntityTooSmall')
def test_abort_multipart_upload():
bucket = get_new_bucket()
key="mymultipart"
- upload = _multipart_upload(bucket, key, 10 * 1024 * 1024)
+ (upload, data) = _multipart_upload(bucket, key, 10 * 1024 * 1024)
upload.cancel_upload()
(obj_count, bytes_used) = _head_bucket(bucket)
bucket = get_new_bucket()
key="mymultipart"
mb = 1024 * 1024
- upload1 = _multipart_upload(bucket, key, 5 * mb, do_list = True)
- upload2 = _multipart_upload(bucket, key, 6 * mb, do_list = True)
+ (upload1, data) = _multipart_upload(bucket, key, 5 * mb, do_list = True)
+ (upload2, data) = _multipart_upload(bucket, key, 6 * mb, do_list = True)
key2="mymultipart2"
- upload3 = _multipart_upload(bucket, key2, 5 * mb, do_list = True)
+ (upload3, data) = _multipart_upload(bucket, key2, 5 * mb, do_list = True)
l = bucket.list_multipart_uploads()
l = list(l)