137 lines
5 KiB
Python
137 lines
5 KiB
Python
import logging
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import mimetypes
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import os
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import sys
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from appdirs import user_data_dir
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from lbrynet.core.Error import InsufficientFundsError
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from lbrynet.lbryfilemanager.LBRYFileCreator import create_lbry_file
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from lbrynet.lbryfile.StreamDescriptor import publish_sd_blob
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from lbrynet.core.PaymentRateManager import PaymentRateManager
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from lbrynet.core.LBRYMetadata import Metadata, CURRENT_METADATA_VERSION
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from lbrynet.lbryfilemanager.LBRYFileDownloader import ManagedLBRYFileDownloader
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from lbrynet.conf import LOG_FILE_NAME
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from twisted.internet import threads, defer
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if sys.platform != "darwin":
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log_dir = os.path.join(os.path.expanduser("~"), ".lbrynet")
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else:
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log_dir = user_data_dir("LBRY")
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if not os.path.isdir(log_dir):
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os.mkdir(log_dir)
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lbrynet_log = os.path.join(log_dir, LOG_FILE_NAME)
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log = logging.getLogger(__name__)
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class Publisher(object):
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def __init__(self, session, lbry_file_manager, wallet):
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self.session = session
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self.lbry_file_manager = lbry_file_manager
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self.wallet = wallet
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self.received_file_name = False
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self.file_path = None
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self.file_name = None
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self.publish_name = None
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self.bid_amount = None
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self.verified = False
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self.lbry_file = None
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self.txid = None
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self.stream_hash = None
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self.metadata = {}
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def start(self, name, file_path, bid, metadata, old_txid):
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def _show_result():
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log.info("Published %s --> lbry://%s txid: %s", self.file_name, self.publish_name, self.txid)
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return defer.succeed(self.txid)
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self.publish_name = name
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self.file_path = file_path
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self.bid_amount = bid
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self.metadata = metadata
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self.old_txid = old_txid
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d = self._check_file_path(self.file_path)
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d.addCallback(lambda _: create_lbry_file(self.session, self.lbry_file_manager,
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self.file_name, open(self.file_path)))
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d.addCallback(self.add_to_lbry_files)
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d.addCallback(lambda _: self._create_sd_blob())
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d.addCallback(lambda _: self._claim_name())
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d.addCallback(lambda _: self.set_status())
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d.addCallbacks(lambda _: _show_result(), self._show_publish_error)
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return d
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def _check_file_path(self, file_path):
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def check_file_threaded():
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f = open(file_path)
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f.close()
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self.file_name = os.path.basename(self.file_path)
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return True
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return threads.deferToThread(check_file_threaded)
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def set_lbry_file(self, lbry_file_downloader):
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self.lbry_file = lbry_file_downloader
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return defer.succeed(None)
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def add_to_lbry_files(self, stream_hash):
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self.stream_hash = stream_hash
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prm = PaymentRateManager(self.session.base_payment_rate_manager)
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d = self.lbry_file_manager.add_lbry_file(stream_hash, prm)
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d.addCallback(self.set_lbry_file)
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return d
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def _create_sd_blob(self):
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d = publish_sd_blob(self.lbry_file_manager.stream_info_manager, self.session.blob_manager,
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self.lbry_file.stream_hash)
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def set_sd_hash(sd_hash):
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if 'sources' not in self.metadata:
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self.metadata['sources'] = {}
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self.metadata['sources']['lbry_sd_hash'] = sd_hash
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d.addCallback(set_sd_hash)
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return d
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def set_status(self):
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d = self.lbry_file_manager.change_lbry_file_status(self.lbry_file, ManagedLBRYFileDownloader.STATUS_FINISHED)
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d.addCallback(lambda _: self.lbry_file.restore())
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return d
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def _claim_name(self):
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self.metadata['content-type'] = mimetypes.guess_type(os.path.join(self.lbry_file.download_directory,
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self.lbry_file.file_name))[0]
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self.metadata['ver'] = CURRENT_METADATA_VERSION
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if self.old_txid:
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d = self.wallet.abandon_name(self.old_txid)
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d.addCallback(lambda tx: log.info("Abandoned tx %s" % str(tx)))
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d.addCallback(lambda _: self.wallet.claim_name(self.publish_name,
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self.bid_amount,
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Metadata(self.metadata)))
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else:
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d = self.wallet.claim_name(self.publish_name,
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self.bid_amount,
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Metadata(self.metadata))
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def set_tx_hash(txid):
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self.txid = txid
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d.addCallback(set_tx_hash)
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return d
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def _show_publish_error(self, err):
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log.info(err.getTraceback())
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message = "An error occurred publishing %s to %s. Error: %s."
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if err.check(InsufficientFundsError):
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error_message = "Insufficient funds"
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else:
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error_message = err.getErrorMessage()
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log.error(error_message)
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log.error(message, str(self.file_name), str(self.publish_name), err.getTraceback())
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return defer.succeed(error_message)
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