78 lines
3.7 KiB
Python
78 lines
3.7 KiB
Python
import logging
|
|
import mimetypes
|
|
import os
|
|
|
|
from twisted.internet import defer
|
|
|
|
from lbrynet.core import file_utils
|
|
from lbrynet.file_manager.EncryptedFileCreator import create_lbry_file
|
|
|
|
log = logging.getLogger(__name__)
|
|
|
|
|
|
class Publisher(object):
|
|
def __init__(self, session, lbry_file_manager, wallet, certificate_id):
|
|
self.session = session
|
|
self.lbry_file_manager = lbry_file_manager
|
|
self.wallet = wallet
|
|
self.certificate_id = certificate_id
|
|
self.lbry_file = None
|
|
|
|
@defer.inlineCallbacks
|
|
def create_and_publish_stream(self, name, bid, claim_dict, file_path, claim_address=None,
|
|
change_address=None):
|
|
"""Create lbry file and make claim"""
|
|
log.info('Starting publish for %s', name)
|
|
if not os.path.isfile(file_path):
|
|
raise Exception("File {} not found".format(file_path))
|
|
if os.path.getsize(file_path) == 0:
|
|
raise Exception("Cannot publish empty file {}".format(file_path))
|
|
|
|
file_name = os.path.basename(file_path)
|
|
with file_utils.get_read_handle(file_path) as read_handle:
|
|
self.lbry_file = yield create_lbry_file(self.session, self.lbry_file_manager, file_name,
|
|
read_handle)
|
|
|
|
if 'source' not in claim_dict['stream']:
|
|
claim_dict['stream']['source'] = {}
|
|
claim_dict['stream']['source']['source'] = self.lbry_file.sd_hash
|
|
claim_dict['stream']['source']['sourceType'] = 'lbry_sd_hash'
|
|
claim_dict['stream']['source']['contentType'] = get_content_type(file_path)
|
|
claim_dict['stream']['source']['version'] = "_0_0_1" # need current version here
|
|
claim_out = yield self.make_claim(name, bid, claim_dict, claim_address, change_address)
|
|
|
|
# check if we have a file already for this claim (if this is a publish update with a new stream)
|
|
old_stream_hashes = yield self.session.storage.get_stream_hashes_for_claim_id(claim_out['claim_id'])
|
|
if old_stream_hashes:
|
|
lbry_files = list(self.lbry_file_manager.lbry_files)
|
|
for lbry_file in lbry_files:
|
|
s_h = lbry_file.stream_hash
|
|
if s_h in old_stream_hashes:
|
|
yield self.lbry_file_manager.delete_lbry_file(lbry_file, delete_file=False)
|
|
old_stream_hashes.remove(s_h)
|
|
log.info("Removed old stream for claim update: %s", s_h)
|
|
|
|
yield self.session.storage.save_content_claim(
|
|
self.lbry_file.stream_hash, "%s:%i" % (claim_out['txid'], claim_out['nout'])
|
|
)
|
|
defer.returnValue(claim_out)
|
|
|
|
@defer.inlineCallbacks
|
|
def publish_stream(self, name, bid, claim_dict, stream_hash, claim_address=None, change_address=None):
|
|
"""Make a claim without creating a lbry file"""
|
|
claim_out = yield self.make_claim(name, bid, claim_dict, claim_address, change_address)
|
|
yield self.session.storage.save_content_claim(stream_hash, "%s:%i" % (claim_out['txid'], claim_out['nout']))
|
|
self.lbry_file = [f for f in self.lbry_file_manager.lbry_files if f.stream_hash == stream_hash][0]
|
|
defer.returnValue(claim_out)
|
|
|
|
@defer.inlineCallbacks
|
|
def make_claim(self, name, bid, claim_dict, claim_address=None, change_address=None):
|
|
claim_out = yield self.wallet.claim_name(name, bid, claim_dict,
|
|
certificate_id=self.certificate_id,
|
|
claim_address=claim_address,
|
|
change_address=change_address)
|
|
defer.returnValue(claim_out)
|
|
|
|
|
|
def get_content_type(filename):
|
|
return mimetypes.guess_type(filename)[0] or 'application/octet-stream'
|