lbry-sdk/lbrynet/lbrynet_daemon/LBRYPublisher.py
2016-07-01 02:55:20 -04:00

137 lines
4.8 KiB
Python

import logging
import mimetypes
import os
import sys
from appdirs import user_data_dir
from datetime import datetime
from lbrynet.core.Error import InsufficientFundsError
from lbrynet.lbryfilemanager.LBRYFileCreator import create_lbry_file
from lbrynet.lbryfile.StreamDescriptor import publish_sd_blob
from lbrynet.core.PaymentRateManager import PaymentRateManager
from lbrynet.lbryfilemanager.LBRYFileDownloader import ManagedLBRYFileDownloader
from lbrynet.conf import LOG_FILE_NAME
from twisted.internet import threads, defer
if sys.platform != "darwin":
log_dir = os.path.join(os.path.expanduser("~"), ".lbrynet")
else:
log_dir = user_data_dir("LBRY")
if not os.path.isdir(log_dir):
os.mkdir(log_dir)
lbrynet_log = os.path.join(log_dir, LOG_FILE_NAME)
log = logging.getLogger(__name__)
handler = logging.handlers.RotatingFileHandler(lbrynet_log, maxBytes=2097152, backupCount=5)
log.addHandler(handler)
log.setLevel(logging.INFO)
class Publisher(object):
def __init__(self, session, lbry_file_manager, wallet):
self.session = session
self.lbry_file_manager = lbry_file_manager
self.wallet = wallet
self.received_file_name = False
self.file_path = None
self.file_name = None
self.publish_name = None
self.bid_amount = None
self.verified = False
self.lbry_file = None
self.txid = None
self.sources = {}
self.fee = None
def start(self, name, file_path, bid, metadata, fee=None, sources={}):
def _show_result():
message = "[%s] Published %s --> lbry://%s txid: %s" % (datetime.now(), self.file_name, self.publish_name, self.txid)
log.info(message)
return defer.succeed(self.txid)
self.publish_name = name
self.file_path = file_path
self.bid_amount = bid
self.fee = fee
self.metadata = metadata
d = self._check_file_path(self.file_path)
d.addCallback(lambda _: create_lbry_file(self.session, self.lbry_file_manager,
self.file_name, open(self.file_path)))
d.addCallback(self.add_to_lbry_files)
d.addCallback(lambda _: self._create_sd_blob())
d.addCallback(lambda _: self._claim_name())
d.addCallbacks(lambda _: _show_result(), self._show_publish_error)
return d
def _check_file_path(self, file_path):
def check_file_threaded():
f = open(file_path)
f.close()
self.file_name = os.path.basename(self.file_path)
return True
return threads.deferToThread(check_file_threaded)
def _get_new_address(self):
d = self.wallet.get_new_address()
def set_address(address):
self.key_fee_address = address
return True
d.addCallback(set_address)
return d
def set_status(self, lbry_file_downloader):
self.lbry_file = lbry_file_downloader
d = self.lbry_file_manager.change_lbry_file_status(self.lbry_file, ManagedLBRYFileDownloader.STATUS_FINISHED)
d.addCallback(lambda _: lbry_file_downloader.restore())
return d
def add_to_lbry_files(self, stream_hash):
prm = PaymentRateManager(self.session.base_payment_rate_manager)
d = self.lbry_file_manager.add_lbry_file(stream_hash, prm)
d.addCallback(self.set_status)
return d
def _create_sd_blob(self):
d = publish_sd_blob(self.lbry_file_manager.stream_info_manager, self.session.blob_manager,
self.lbry_file.stream_hash)
def set_sd_hash(sd_hash):
self.sources['lbry_sd_hash'] = sd_hash
d.addCallback(set_sd_hash)
return d
def _claim_name(self):
self.metadata['content-type'] = mimetypes.guess_type(os.path.join(self.lbry_file.download_directory,
self.lbry_file.file_name))[0]
d = self.wallet.claim_name(self.publish_name,
self.bid_amount,
self.sources,
self.metadata,
fee=self.fee)
def set_tx_hash(txid):
self.txid = txid
d.addCallback(set_tx_hash)
return d
def _show_publish_error(self, err):
log.info(err.getTraceback())
message = "An error occurred publishing %s to %s. Error: %s."
if err.check(InsufficientFundsError):
d = defer.succeed(True)
error_message = "Insufficient funds"
else:
d = defer.succeed(True)
error_message = err.getErrorMessage()
log.error(error_message)
log.error(message, str(self.file_name), str(self.publish_name), err.getTraceback())
return d