lbry-sdk/lbrynet/lbrynet_daemon/Publisher.py

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import logging
import mimetypes
import os
from twisted.internet import defer
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from lbrynet.core import file_utils
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from lbrynet.lbryfilemanager.EncryptedFileCreator import create_lbry_file
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from lbrynet.lbryfile.StreamDescriptor import publish_sd_blob
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log = logging.getLogger(__name__)
class Publisher(object):
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def __init__(self, session, lbry_file_manager, wallet, certificate_id):
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self.session = session
self.lbry_file_manager = lbry_file_manager
self.wallet = wallet
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self.certificate_id = certificate_id
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self.lbry_file = None
"""
Create lbry file and make claim
"""
@defer.inlineCallbacks
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def create_and_publish_stream(self, name, bid, claim_dict, file_path):
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log.info('Starting publish for %s', name)
file_name = os.path.basename(file_path)
with file_utils.get_read_handle(file_path) as read_handle:
stream_hash = yield create_lbry_file(self.session, self.lbry_file_manager, file_name,
read_handle)
prm = self.session.payment_rate_manager
self.lbry_file = yield self.lbry_file_manager.add_lbry_file(stream_hash, prm)
sd_hash = yield publish_sd_blob(self.lbry_file_manager.stream_info_manager,
self.session.blob_manager, self.lbry_file.stream_hash)
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if 'source' not in claim_dict['stream']:
claim_dict['stream']['source'] = {}
claim_dict['stream']['source']['source'] = 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)
self.lbry_file.completed = True
yield self.lbry_file.load_file_attributes()
yield self.lbry_file.save_status()
defer.returnValue(claim_out)
"""
Make a claim without creating a lbry file
"""
@defer.inlineCallbacks
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def publish_stream(self, name, bid, claim_dict):
claim_out = yield self.make_claim(name, bid, claim_dict)
defer.returnValue(claim_out)
@defer.inlineCallbacks
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def make_claim(self, name, bid, claim_dict):
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claim_out = yield self.wallet.claim_name(name, bid, claim_dict,
certificate_id=self.certificate_id)
defer.returnValue(claim_out)
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def get_content_type(filename):
return mimetypes.guess_type(filename)[0] or 'application/octet-stream'