forked from LBRYCommunity/lbry-sdk
78 lines
3.3 KiB
Python
78 lines
3.3 KiB
Python
import logging
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import mimetypes
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import os
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from twisted.internet import defer
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from lbrynet.file_manager.EncryptedFileCreator import create_lbry_file
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log = logging.getLogger(__name__)
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class Publisher:
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def __init__(self, blob_manager, payment_rate_manager, storage, lbry_file_manager, wallet, certificate):
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self.blob_manager = blob_manager
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self.payment_rate_manager = payment_rate_manager
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self.storage = storage
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self.lbry_file_manager = lbry_file_manager
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self.wallet = wallet
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self.certificate = certificate
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self.lbry_file = None
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@defer.inlineCallbacks
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def create_and_publish_stream(self, name, bid, claim_dict, file_path, holding_address=None):
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"""Create lbry file and make claim"""
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log.info('Starting publish for %s', name)
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if not os.path.isfile(file_path):
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raise Exception("File {} not found".format(file_path))
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if os.path.getsize(file_path) == 0:
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raise Exception("Cannot publish empty file {}".format(file_path))
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file_name = os.path.basename(file_path)
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with open(file_path, 'rb') as read_handle:
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self.lbry_file = yield create_lbry_file(
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self.blob_manager, self.storage, self.payment_rate_manager, self.lbry_file_manager, file_name,
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read_handle
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)
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if 'source' not in claim_dict['stream']:
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claim_dict['stream']['source'] = {}
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claim_dict['stream']['source']['source'] = self.lbry_file.sd_hash
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claim_dict['stream']['source']['sourceType'] = 'lbry_sd_hash'
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claim_dict['stream']['source']['contentType'] = get_content_type(file_path)
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claim_dict['stream']['source']['version'] = "_0_0_1" # need current version here
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tx = yield self.wallet.claim_name(
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name, bid, claim_dict, self.certificate, holding_address
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)
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# check if we have a file already for this claim (if this is a publish update with a new stream)
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old_stream_hashes = yield self.storage.get_old_stream_hashes_for_claim_id(
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tx.outputs[0].claim_id, self.lbry_file.stream_hash
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)
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if old_stream_hashes:
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for lbry_file in filter(lambda l: l.stream_hash in old_stream_hashes,
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list(self.lbry_file_manager.lbry_files)):
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yield self.lbry_file_manager.delete_lbry_file(lbry_file, delete_file=False)
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log.info("Removed old stream for claim update: %s", lbry_file.stream_hash)
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yield self.storage.save_content_claim(
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self.lbry_file.stream_hash, tx.outputs[0].id
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)
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defer.returnValue(tx)
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@defer.inlineCallbacks
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def publish_stream(self, name, bid, claim_dict, stream_hash, holding_address=None):
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"""Make a claim without creating a lbry file"""
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tx = yield self.wallet.claim_name(
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name, bid, claim_dict, self.certificate, holding_address
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)
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if stream_hash: # the stream_hash returned from the db will be None if this isn't a stream we have
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yield self.storage.save_content_claim(
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stream_hash, tx.outputs[0].id
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)
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self.lbry_file = [f for f in self.lbry_file_manager.lbry_files if f.stream_hash == stream_hash][0]
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defer.returnValue(tx)
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def get_content_type(filename):
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return mimetypes.guess_type(filename)[0] or 'application/octet-stream'
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