本文整理汇总了Python中util.math.format函数的典型用法代码示例。如果您正苦于以下问题：Python format函数的具体用法？Python format怎么用？Python format使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了format函数的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: status_thread
def status_thread():
last_str = None
last_time = 0
while True:
yield deferral.sleep(3)
try:
height = node.tracker.get_height(node.best_share_var.value)
this_str = 'P2Pool: %i shares in chain (%i verified/%i total) Peers: %i (%i incoming)' % (
height,
len(node.tracker.verified.items),
len(node.tracker.items),
len(node.p2p_node.peers),
sum(1 for peer in node.p2p_node.peers.itervalues() if peer.incoming),
) + (' FDs: %i R/%i W' % (len(reactor.getReaders()), len(reactor.getWriters())) if p2pool.DEBUG else '')
datums, dt = wb.local_rate_monitor.get_datums_in_last()
my_att_s = sum(datum['work']/dt for datum in datums)
my_shares_per_s = sum(datum['work']/dt/bitcoin_data.target_to_average_attempts(datum['share_target']) for datum in datums)
this_str += '\n Local: %sH/s in last %s Local dead on arrival: %s Expected time to share: %s' % (
math.format(int(my_att_s)),
math.format_dt(dt),
math.format_binomial_conf(sum(1 for datum in datums if datum['dead']), len(datums), 0.95),
math.format_dt(1/my_shares_per_s) if my_shares_per_s else '???',
)
if height > 2:
(stale_orphan_shares, stale_doa_shares), shares, _ = wb.get_stale_counts()
stale_prop = p2pool_data.get_average_stale_prop(node.tracker, node.best_share_var.value, min(60*60//net.SHARE_PERIOD, height))
real_att_s = p2pool_data.get_pool_attempts_per_second(node.tracker, node.best_share_var.value, min(height - 1, 60*60//net.SHARE_PERIOD)) / (1 - stale_prop)
this_str += '\n Shares: %i (%i orphan, %i dead) Stale rate: %s Efficiency: %s Current payout: %.4f %s' % (
shares, stale_orphan_shares, stale_doa_shares,
math.format_binomial_conf(stale_orphan_shares + stale_doa_shares, shares, 0.95),
math.format_binomial_conf(stale_orphan_shares + stale_doa_shares, shares, 0.95, lambda x: (1 - x)/(1 - stale_prop)),
node.get_current_txouts().get(bitcoin_data.pubkey_hash_to_script2(my_pubkey_hash), 0)*1e-8, net.PARENT.SYMBOL,
)
print(node.bitcoind_work.value['bits'])
print(real_att_s)
this_str += '\n Pool: %sH/s Stale rate: %.1f%% Expected time to block: %s' % (
math.format(int(real_att_s)),
100*stale_prop,
math.format_dt(2**256 / node.bitcoind_work.value['bits'].target / real_att_s),
)
for warning in p2pool_data.get_warnings(node.tracker, node.best_share_var.value, net, bitcoind_getinfo_var.value, node.bitcoind_work.value):
print >>sys.stderr, '#'*40
print >>sys.stderr, '>>> Warning: ' + warning
print >>sys.stderr, '#'*40
if gc.garbage:
print '%i pieces of uncollectable cyclic garbage! Types: %r' % (len(gc.garbage), map(type, gc.garbage))
if this_str != last_str or time.time() > last_time + 15:
print this_str
last_str = this_str
last_time = time.time()
except:
log.err()示例2: status_thread
def status_thread():
last_str = None
last_time = 0
while True:
yield deferral.sleep(3)
try:
if time.time() > current_work2.value['last_update'] + 60:
print '''---> LOST CONTACT WITH BITCOIND for 60 seconds, check that it isn't frozen or dead <---'''
if current_work.value['best_share_hash'] is not None:
height, last = tracker.get_height_and_last(current_work.value['best_share_hash'])
if height > 2:
att_s = p2pool_data.get_pool_attempts_per_second(tracker, current_work.value['best_share_hash'], min(height - 1, 720))
weights, total_weight, donation_weight = tracker.get_cumulative_weights(current_work.value['best_share_hash'], min(height, 720), 65535*2**256)
shares, stale_doa_shares, stale_not_doa_shares = get_share_counts(True)
stale_shares = stale_doa_shares + stale_not_doa_shares
fracs = [share.stale_frac for share in tracker.get_chain(current_work.value['best_share_hash'], min(120, height)) if share.stale_frac is not None]
this_str = 'Pool: %sH/s in %i shares (%i/%i verified) Recent: %.02f%% >%sH/s Shares: %i (%i orphan, %i dead) Peers: %i' % (
math.format(int(att_s / (1. - (math.median(fracs) if fracs else 0)))),
height,
len(tracker.verified.shares),
len(tracker.shares),
weights.get(my_script, 0)/total_weight*100,
math.format(int(weights.get(my_script, 0)*att_s//total_weight / (1. - (math.median(fracs) if fracs else 0)))),
shares,
stale_not_doa_shares,
stale_doa_shares,
len(p2p_node.peers),
) + (' FDs: %i R/%i W' % (len(reactor.getReaders()), len(reactor.getWriters())) if p2pool.DEBUG else '')
if fracs:
med = math.median(fracs)
this_str += '\nPool stales: %i%%' % (int(100*med+.5),)
conf = 0.95
if shares:
this_str += u' Own: %i±%i%%' % tuple(int(100*x+.5) for x in math.interval_to_center_radius(math.binomial_conf_interval(stale_shares, shares, conf)))
if med < .99:
this_str += u' Own efficiency: %i±%i%%' % tuple(int(100*x+.5) for x in math.interval_to_center_radius((1 - y)/(1 - med) for y in math.binomial_conf_interval(stale_shares, shares, conf)[::-1]))
if this_str != last_str or time.time() > last_time + 15:
print this_str
last_str = this_str
last_time = time.time()
except:
log.err()示例3: main
def main(args):
try:
if args.charts:
from . import draw
print 'p2pool (version %s)' % (p2pool_init.__version__,)
print
# connect to bitcoind over JSON-RPC and do initial getwork
url = 'http://%s:%i/' % (args.bitcoind_address, args.bitcoind_rpc_port)
print '''Testing bitcoind RPC connection to '%s' with username '%s'...''' % (url, args.bitcoind_rpc_username)
bitcoind = jsonrpc.Proxy(url, (args.bitcoind_rpc_username, args.bitcoind_rpc_password))
temp_work, temp_height = yield getwork(bitcoind)
print ' ...success!'
print ' Current block hash: %x height: %i' % (temp_work.previous_block, temp_height)
print
# connect to bitcoind over bitcoin-p2p and do checkorder to get pubkey to send payouts to
print '''Testing bitcoind P2P connection to '%s:%s'...''' % (args.bitcoind_address, args.bitcoind_p2p_port)
factory = bitcoin.p2p.ClientFactory(args.net)
reactor.connectTCP(args.bitcoind_address, args.bitcoind_p2p_port, factory)
my_script = yield get_payout_script(factory)
if args.pubkey_hash is None:
if my_script is None:
print ' IP transaction denied ... falling back to sending to address.'
my_script = yield get_payout_script2(bitcoind, args.net)
else:
my_script = bitcoin.data.pubkey_hash_to_script2(args.pubkey_hash)
print ' ...success!'
print ' Payout script:', my_script.encode('hex')
print
ht = bitcoin.p2p.HeightTracker(factory)
tracker = p2pool.OkayTracker(args.net)
chains = expiring_dict.ExpiringDict(300)
def get_chain(chain_id_data):
return chains.setdefault(chain_id_data, Chain(chain_id_data))
peer_heads = expiring_dict.ExpiringDict(300) # hash -> peers that know of it
# information affecting work that should trigger a long-polling update
current_work = variable.Variable(None)
# information affecting work that should not trigger a long-polling update
current_work2 = variable.Variable(None)
work_updated = variable.Event()
requested = expiring_dict.ExpiringDict(300)
@defer.inlineCallbacks
def set_real_work1():
work, height = yield getwork(bitcoind)
changed = work.previous_block != current_work.value['previous_block'] if current_work.value is not None else True
current_work.set(dict(
version=work.version,
previous_block=work.previous_block,
target=work.target,
height=height,
best_share_hash=current_work.value['best_share_hash'] if current_work.value is not None else None,
))
current_work2.set(dict(
clock_offset=time.time() - work.timestamp,
))
if changed:
set_real_work2()
def set_real_work2():
best, desired = tracker.think(ht, current_work.value['previous_block'], time.time() - current_work2.value['clock_offset'])
t = dict(current_work.value)
t['best_share_hash'] = best
current_work.set(t)
t = time.time()
for peer2, share_hash in desired:
if share_hash not in tracker.tails: # was received in the time tracker.think was running
continue
last_request_time, count = requested.get(share_hash, (None, 0))
if last_request_time is not None and last_request_time - 5 < t < last_request_time + 10 * 1.5**count:
continue
potential_peers = set()
for head in tracker.tails[share_hash]:
potential_peers.update(peer_heads.get(head, set()))
potential_peers = [peer for peer in potential_peers if peer.connected2]
if count == 0 and peer2 is not None and peer2.connected2:
peer = peer2
else:
peer = random.choice(potential_peers) if potential_peers and random.random() > .2 else peer2
if peer is None:
continue
print 'Requesting parent share %s from %s' % (p2pool.format_hash(share_hash), '%s:%i' % peer.addr)
peer.send_getshares(
hashes=[share_hash],
parents=2000,
stops=list(set(tracker.heads) | set(
tracker.get_nth_parent_hash(head, min(max(0, tracker.get_height_and_last(head)[0] - 1), 10)) for head in tracker.heads
))[:100],
)
#.........这里部分代码省略.........