cleanup whitespace and long-lines

This commit is contained in:
Job Evers-Meltzer 2016-11-04 11:39:52 -05:00
parent 0036685ece
commit 43b2cd1433
3 changed files with 23 additions and 24 deletions

View file

@ -65,12 +65,10 @@ class StreamCreator(object):
pass
def write(self, data):
from twisted.internet import reactor
self._write(data)
if self.stopped is False and self.streaming is False:
reactor.callLater(0, self.producer.resumeProducing)
def _write(self, data):
pass
pass

View file

@ -18,22 +18,23 @@ log = logging.getLogger(__name__)
class CryptStreamCreator(StreamCreator):
"""Create a new stream with blobs encrypted by a symmetric cipher.
Each blob is encrypted with the same key, but each blob has its own initialization vector
which is associated with the blob when the blob is associated with the stream."""
Each blob is encrypted with the same key, but each blob has its
own initialization vector which is associated with the blob when
the blob is associated with the stream.
"""
def __init__(self, blob_manager, name=None, key=None, iv_generator=None):
"""
@param blob_manager: Object that stores and provides access to blobs.
"""@param blob_manager: Object that stores and provides access to blobs.
@type blob_manager: BlobManager
@param name: the name of the stream, which will be presented to the user
@type name: string
@param key: the raw AES key which will be used to encrypt the blobs. If None, a random key will
be generated.
@param key: the raw AES key which will be used to encrypt the
blobs. If None, a random key will be generated.
@type key: string
@param iv_generator: a generator which yields initialization vectors for the blobs. Will be called
once for each blob.
@param iv_generator: a generator which yields initialization
vectors for the blobs. Will be called once for each blob.
@type iv_generator: a generator function which yields strings
@return: None
@ -75,7 +76,6 @@ class CryptStreamCreator(StreamCreator):
return d
def _write(self, data):
def close_blob(blob):
d = blob.close()
d.addCallback(self._blob_finished)
@ -94,4 +94,4 @@ class CryptStreamCreator(StreamCreator):
self.current_blob = None
def _get_blob_maker(self, iv, blob_creator):
return CryptStreamBlobMaker(self.key, iv, self.blob_count, blob_creator)
return CryptStreamBlobMaker(self.key, iv, self.blob_count, blob_creator)

View file

@ -24,10 +24,7 @@ class EncryptedFileStreamCreator(CryptStreamCreator):
key=None, iv_generator=None, suggested_file_name=None):
CryptStreamCreator.__init__(self, blob_manager, name, key, iv_generator)
self.lbry_file_manager = lbry_file_manager
if suggested_file_name is None:
self.suggested_file_name = name
else:
self.suggested_file_name = suggested_file_name
self.suggested_file_name = suggested_file_name or name
self.stream_hash = None
self.blob_infos = []
@ -82,8 +79,7 @@ class EncryptedFileStreamCreator(CryptStreamCreator):
def create_lbry_file(session, lbry_file_manager, file_name, file_handle, key=None,
iv_generator=None, suggested_file_name=None):
"""
Turn a plain file into an LBRY File.
"""Turn a plain file into an LBRY File.
An LBRY File is a collection of encrypted blobs of data and the metadata that binds them
together which, when decrypted and put back together according to the metadata, results
@ -113,8 +109,8 @@ def create_lbry_file(session, lbry_file_manager, file_name, file_handle, key=Non
be generated.
@type key: string
@param iv_generator: a generator which yields initialization vectors for the blobs. Will be called
once for each blob.
@param iv_generator: a generator which yields initialization
vectors for the blobs. Will be called once for each blob.
@type iv_generator: a generator function which yields strings
@param suggested_file_name: what the file should be called when the LBRY File is saved to disk.
@ -130,7 +126,8 @@ def create_lbry_file(session, lbry_file_manager, file_name, file_handle, key=Non
def make_stream_desc_file(stream_hash):
log.debug("creating the stream descriptor file")
descriptor_file_path = os.path.join(session.db_dir, file_name + settings.CRYPTSD_FILE_EXTENSION)
descriptor_file_path = os.path.join(
session.db_dir, file_name + settings.CRYPTSD_FILE_EXTENSION)
descriptor_writer = PlainStreamDescriptorWriter(descriptor_file_path)
d = get_sd_info(lbry_file_manager.stream_info_manager, stream_hash, True)
@ -141,8 +138,12 @@ def create_lbry_file(session, lbry_file_manager, file_name, file_handle, key=Non
base_file_name = os.path.basename(file_name)
lbry_file_creator = EncryptedFileStreamCreator(session.blob_manager, lbry_file_manager, base_file_name,
key, iv_generator, suggested_file_name)
lbry_file_creator = EncryptedFileStreamCreator(
session.blob_manager,
lbry_file_manager,
base_file_name, key,
iv_generator,
suggested_file_name)
def start_stream():
file_sender = FileSender()