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Upgrade Python syntax with pyupgrade --py37-plus

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This commit is contained in:
Hugo 2019-10-02 19:38:56 +03:00 committed by Lex Berezhny
parent b70a23a10a
commit c5cfd8f40e
38 changed files with 77 additions and 85 deletions
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4
lbry/lbry/blob/writer.py
View file

@ -33,13 +33,13 @@ class HashBlobWriter:
def write(self, data: bytes):
expected_length = self.get_length()
if not expected_length:
raise IOError("unknown blob length")
raise OSError("unknown blob length")
if self.buffer is None:
log.warning("writer has already been closed")
if not self.finished.done():
self.finished.cancel()
return
raise IOError('I/O operation on closed file')
raise OSError('I/O operation on closed file')
self._hashsum.update(data)
self.len_so_far += len(data)

2
lbry/lbry/blob_exchange/client.py
View file

@ -86,7 +86,7 @@ class BlobExchangeClientProtocol(asyncio.Protocol):
self._blob_bytes_received += len(data)
try:
self.writer.write(data)
except IOError as err:
except OSError as err:
log.error("error downloading blob from %s:%i: %s", self.peer_address, self.peer_port, err)
if self._response_fut and not self._response_fut.done():
self._response_fut.set_exception(err)

6
lbry/lbry/blob_exchange/downloader.py
View file

@ -75,10 +75,10 @@ class BlobDownloader:
def clearbanned(self):
now = self.loop.time()
self.ignored = dict((
(peer, when) for (peer, when) in self.ignored.items()
self.ignored = {
peer: when for (peer, when) in self.ignored.items()
if (now - when) < min(30.0, (self.failures.get(peer, 0) ** self.BAN_FACTOR))
))
}
@cache_concurrent
async def download_blob(self, blob_hash: str, length: typing.Optional[int] = None,

4
lbry/lbry/blob_exchange/server.py
View file

@ -81,10 +81,10 @@ class BlobServerProtocol(asyncio.Protocol):
responses.append(BlobPaymentAddressResponse(lbrycrd_address=self.lbrycrd_address))
availability_request = request.get_availability_request()
if availability_request:
responses.append(BlobAvailabilityResponse(available_blobs=list(set((
responses.append(BlobAvailabilityResponse(available_blobs=list(set(
filter(lambda blob_hash: blob_hash in self.blob_manager.completed_blob_hashes,
availability_request.requested_blobs)
)))))
))))
price_request = request.get_price_request()
if price_request:
responses.append(BlobPriceResponse(blob_data_payment_rate='RATE_ACCEPTED'))

6
lbry/lbry/conf.py
View file

@ -14,7 +14,7 @@ from torba.client.coinselection import STRATEGIES
log = logging.getLogger(__name__)
NOT_SET = type(str('NOT_SET'), (object,), {})
NOT_SET = type('NOT_SET', (object,), {})
T = typing.TypeVar('T')
CURRENCIES = {
@ -659,9 +659,9 @@ def get_linux_directories() -> typing.Tuple[str, str, str]:
try:
with open(os.path.join(user_config_dir(), 'user-dirs.dirs'), 'r') as xdg:
down_dir = re.search(r'XDG_DOWNLOAD_DIR=(.+)', xdg.read()).group(1)
down_dir = re.sub('\$HOME', os.getenv('HOME') or os.path.expanduser("~/"), down_dir)
down_dir = re.sub(r'\$HOME', os.getenv('HOME') or os.path.expanduser("~/"), down_dir)
download_dir = re.sub('\"', '', down_dir)
except EnvironmentError:
except OSError:
download_dir = os.getenv('XDG_DOWNLOAD_DIR')
if not download_dir:
download_dir = os.path.expanduser('~/Downloads')

2
lbry/lbry/extras/daemon/migrator/migrate5to6.py
View file

@ -286,7 +286,7 @@ def do_migration(conf):
_add_recovered_blobs(blobs, damaged_sd, sd_length) # pylint: disable=no-value-for-parameter
_import_file(*file_args[damaged_sd])
damaged_stream_sds.remove(damaged_sd)
except (OSError, ValueError, TypeError, IOError, AssertionError, sqlite3.IntegrityError):
except (OSError, ValueError, TypeError, AssertionError, sqlite3.IntegrityError):
continue
log.info("migrated %i files", new_db.execute("select count(*) from file").fetchone()[0])

3
lbry/lbry/extras/daemon/storage.py
View file

@ -94,8 +94,7 @@ def _batched_select(transaction, query, parameters, batch_size=900):
for start_index in range(0, len(parameters), batch_size):
current_batch = parameters[start_index:start_index+batch_size]
bind = "({})".format(','.join(['?'] * len(current_batch)))
for result in transaction.execute(query.format(bind), current_batch):
yield result
yield from transaction.execute(query.format(bind), current_batch)
def get_all_lbry_files(transaction: sqlite3.Connection) -> typing.List[typing.Dict]:

1
lbry/lbry/extras/daemon/undecorated.py
View file

@ -1,4 +1,3 @@
# -*- coding: utf-8 -*-
# Copyright 2016-2017 Ionuț Arțăriși <ionut@artarisi.eu>
# Licensed under the Apache License, Version 2.0 (the "License");

2
lbry/lbry/schema/tags.py
View file

@ -10,4 +10,4 @@ def normalize_tag(tag: str):
def clean_tags(tags: List[str]):
return [tag for tag in set(normalize_tag(tag) for tag in tags) if tag]
return [tag for tag in {normalize_tag(tag) for tag in tags} if tag]

2
lbry/lbry/stream/descriptor.py
View file

@ -263,7 +263,7 @@ class StreamDescriptor:
return descriptor
def lower_bound_decrypted_length(self) -> int:
length = sum((blob.length - 1 for blob in self.blobs[:-2]))
length = sum(blob.length - 1 for blob in self.blobs[:-2])
return length + self.blobs[-2].length - (AES.block_size // 8)
def upper_bound_decrypted_length(self) -> int:

2
lbry/lbry/stream/reflector/server.py
View file

@ -37,7 +37,7 @@ class ReflectorServerProtocol(asyncio.Protocol):
if self.incoming.is_set():
try:
self.writer.write(data)
except IOError as err:
except OSError as err:
log.error("error receiving blob: %s", err)
self.transport.close()
return

4
lbry/lbry/wallet/ledger.py
View file

@ -99,8 +99,8 @@ class MainNetLedger(BaseLedger):
"%d channels, %d certificates and %d claims",
account.id, balance, channel_count, len(account.channel_keys), claim_count)
else:
total_receiving = len((await account.receiving.get_addresses()))
total_change = len((await account.change.get_addresses()))
total_receiving = len(await account.receiving.get_addresses())
total_change = len(await account.change.get_addresses())
log.info("Loaded account %s with %s LBC, %d receiving addresses (gap: %d), "
"%d change addresses (gap: %d), %d channels, %d certificates and %d claims. ",
account.id, balance, total_receiving, account.receiving.gap, total_change,

4
lbry/lbry/wallet/manager.py
View file

@ -137,9 +137,9 @@ class LbryWalletManager(BaseWalletManager):
async def _migrate_addresses(self, receiving_addresses: set, change_addresses: set):
async with self.default_account.receiving.address_generator_lock:
migrated_receiving = set((await self.default_account.receiving._generate_keys(0, len(receiving_addresses))))
migrated_receiving = set(await self.default_account.receiving._generate_keys(0, len(receiving_addresses)))
async with self.default_account.change.address_generator_lock:
migrated_change = set((await self.default_account.change._generate_keys(0, len(change_addresses))))
migrated_change = set(await self.default_account.change._generate_keys(0, len(change_addresses)))
receiving_addresses = set(map(self.default_account.ledger.public_key_to_address, receiving_addresses))
change_addresses = set(map(self.default_account.ledger.public_key_to_address, change_addresses))
if not any(change_addresses.difference(migrated_change)):

2
lbry/lbry/wallet/server/db/writer.py
View file

@ -319,7 +319,7 @@ class SQLDB:
for table in ('claim', 'support', 'claimtrie'):
self.execute(*self._delete_sql(table, {'claim_hash__in': binary_claim_hashes}))
self._clear_claim_metadata(binary_claim_hashes)
return set(r['channel_hash'] for r in affected_channels)
return {r['channel_hash'] for r in affected_channels}
return set()
def _clear_claim_metadata(self, binary_claim_hashes: List[sqlite3.Binary]):

4
lbry/scripts/generate_json_api.py
View file

@ -408,9 +408,9 @@ def get_examples():
SECTIONS = re.compile("(.*?)Usage:(.*?)Options:(.*?)Returns:(.*)", re.DOTALL)
REQUIRED_OPTIONS = re.compile("\(<(.*?)>.*?\)")
REQUIRED_OPTIONS = re.compile(r"\(<(.*?)>.*?\)")
ARGUMENT_NAME = re.compile("--([^=]+)")
ARGUMENT_TYPE = re.compile("\s*\((.*?)\)(.*)")
ARGUMENT_TYPE = re.compile(r"\s*\((.*?)\)(.*)")
def get_return_def(returns):

4
lbry/scripts/set_build.py
View file

@ -14,9 +14,9 @@ def get_build_type(travis_tag=None):
if not travis_tag:
return "qa"
log.debug("getting build type for tag: \"%s\"", travis_tag)
if re.match('v\d+\.\d+\.\d+rc\d+$', travis_tag):
if re.match(r'v\d+\.\d+\.\d+rc\d+$', travis_tag):
return 'rc'
elif re.match('v\d+\.\d+\.\d+$', travis_tag):
elif re.match(r'v\d+\.\d+\.\d+$', travis_tag):
return 'release'
return 'qa'

4
lbry/scripts/time_to_first_byte.py
View file

@ -24,14 +24,14 @@ async def report_to_slack(output, webhook):
def confidence(times, z, plus_err=True):
mean = sum(times) / len(times)
standard_dev = (sum(((t - sum(times) / len(times)) ** 2.0 for t in times)) / len(times)) ** 0.5
standard_dev = (sum((t - sum(times) / len(times)) ** 2.0 for t in times) / len(times)) ** 0.5
err = (z * standard_dev) / (len(times) ** 0.5)
return f"{round((mean + err) if plus_err else (mean - err), 3)}"
def variance(times):
mean = sum(times) / len(times)
return round(sum(((i - mean) ** 2.0 for i in times)) / (len(times) - 1), 3)
return round(sum((i - mean) ** 2.0 for i in times) / (len(times) - 1), 3)
async def wait_for_done(conf, claim_name, timeout):

2
lbry/tests/integration/test_account_commands.py
View file

@ -7,7 +7,7 @@ from lbry.wallet.account import Account
def extract(d, keys):
return dict((k, d[k]) for k in keys)
return {k: d[k] for k in keys}
class AccountManagement(CommandTestCase):

3
lbry/tests/unit/core/test_utils.py
View file

@ -1,4 +1,3 @@
# -*- coding: utf-8 -*-
import unittest
import asyncio
from lbry import utils
@ -119,7 +118,7 @@ class CacheConcurrentDecoratorTests(AsyncioTestCase):
# test that the task is run fresh, it should not error
self.counter = 0
t3 = self.loop.create_task(self.foo(1))
self.assertTrue((await t3))
self.assertTrue(await t3)
self.assertEqual(1, self.counter)
# the previously failed call should still raise if awaited

2
lbry/tests/unit/stream/test_managed_stream.py
View file

@ -24,7 +24,7 @@ class TestManagedStream(BlobExchangeTestBase):
async def create_stream(self, blob_count: int = 10, file_name='test_file'):
self.stream_bytes = b''
for _ in range(blob_count):
self.stream_bytes += os.urandom((MAX_BLOB_SIZE - 1))
self.stream_bytes += os.urandom(MAX_BLOB_SIZE - 1)
# create the stream
file_path = os.path.join(self.server_dir, file_name)
with open(file_path, 'wb') as f:

2
torba/tests/client_tests/unit/test_mnemonic.py
View file

@ -7,7 +7,7 @@ from torba.client.mnemonic import Mnemonic
class TestMnemonic(unittest.TestCase):
def test_mnemonic_to_seed(self):
seed = Mnemonic.mnemonic_to_seed(mnemonic=u'foobar', passphrase=u'torba')
seed = Mnemonic.mnemonic_to_seed(mnemonic='foobar', passphrase='torba')
self.assertEqual(
hexlify(seed),
b'475a419db4e991cab14f08bde2d357e52b3e7241f72c6d8a2f92782367feeee9f403dc6a37c26a3f02ab9'

6
torba/torba/client/basedatabase.py
View file

@ -446,7 +446,7 @@ class BaseDatabase(SQLiteMixin):
SELECT txi.txid FROM txi JOIN account_address USING (address) {where}
"""
return await self.db.execute_fetchall(
*query("SELECT {} FROM tx".format(cols), **constraints)
*query(f"SELECT {cols} FROM tx", **constraints)
)
async def get_transactions(self, wallet=None, **constraints):
@ -523,7 +523,7 @@ class BaseDatabase(SQLiteMixin):
return await self.db.execute_fetchall(*query(sql.format(cols), **constraints))
async def get_txos(self, wallet=None, no_tx=False, **constraints):
my_accounts = set(a.public_key.address for a in wallet.accounts) if wallet else set()
my_accounts = {a.public_key.address for a in wallet.accounts} if wallet else set()
if 'order_by' not in constraints:
constraints['order_by'] = [
"tx.height=0 DESC", "tx.height DESC", "tx.position DESC", "txo.position"
@ -595,7 +595,7 @@ class BaseDatabase(SQLiteMixin):
async def select_addresses(self, cols, **constraints):
return await self.db.execute_fetchall(*query(
"SELECT {} FROM pubkey_address JOIN account_address USING (address)".format(cols),
f"SELECT {cols} FROM pubkey_address JOIN account_address USING (address)",
**constraints
))

3
torba/torba/client/basemanager.py
View file

@ -54,8 +54,7 @@ class BaseWalletManager:
@property
def accounts(self):
for wallet in self.wallets:
for account in wallet.accounts:
yield account
yield from wallet.accounts
async def start(self):
self.running = True

8
torba/torba/client/hash.py
View file

@ -177,7 +177,7 @@ class Base58Error(Exception):
class Base58:
""" Class providing base 58 functionality. """
chars = u'123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz'
chars = '123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz'
assert len(chars) == 58
char_map = {c: n for n, c in enumerate(chars)}
@ -212,7 +212,7 @@ class Base58:
# Prepend leading zero bytes if necessary
count = 0
for c in txt:
if c != u'1':
if c != '1':
break
count += 1
if count:
@ -225,7 +225,7 @@ class Base58:
"""Converts a big-endian bytearray into a base58 string."""
value = bytes_to_int(be_bytes)
txt = u''
txt = ''
while value:
value, mod = divmod(value, 58)
txt += cls.chars[mod]
@ -233,7 +233,7 @@ class Base58:
for byte in be_bytes:
if byte != 0:
break
txt += u'1'
txt += '1'
return txt[::-1]

8
torba/torba/client/mnemonic.py
View file

@ -66,11 +66,11 @@ def normalize_text(seed):
seed = unicodedata.normalize('NFKD', seed)
seed = seed.lower()
# remove accents
seed = u''.join([c for c in seed if not unicodedata.combining(c)])
seed = ''.join([c for c in seed if not unicodedata.combining(c)])
# normalize whitespaces
seed = u' '.join(seed.split())
seed = ' '.join(seed.split())
# remove whitespaces between CJK
seed = u''.join([
seed = ''.join([
seed[i] for i in range(len(seed))
if not (seed[i] in string.whitespace and is_cjk(seed[i-1]) and is_cjk(seed[i+1]))
])
@ -105,7 +105,7 @@ class Mnemonic:
self.words = load_words(language_name)
@staticmethod
def mnemonic_to_seed(mnemonic, passphrase=u''):
def mnemonic_to_seed(mnemonic, passphrase=''):
pbkdf2_rounds = 2048
mnemonic = normalize_text(mnemonic)
passphrase = normalize_text(passphrase)

2
torba/torba/client/wallet.py
View file

@ -277,7 +277,7 @@ class WalletStorage:
if self.path is None:
return json_data
temp_path = "%s.tmp.%s" % (self.path, os.getpid())
temp_path = "{}.tmp.{}".format(self.path, os.getpid())
with open(temp_path, "w") as f:
f.write(json_data)
f.flush()

6
torba/torba/rpc/framing.py
View file

@ -33,7 +33,7 @@ from struct import Struct
from asyncio import Queue
class FramerBase(object):
class FramerBase:
"""Abstract base class for a framer.
A framer breaks an incoming byte stream into protocol messages,
@ -104,7 +104,7 @@ class NewlineFramer(FramerBase):
return b''.join(parts)
class ByteQueue(object):
class ByteQueue:
"""A producer-comsumer queue. Incoming network data is put as it
arrives, and the consumer calls an async method waiting for data of
a specific length."""
@ -126,7 +126,7 @@ class ByteQueue(object):
return whole[:size]
class BinaryFramer(object):
class BinaryFramer:
"""A framer for binary messaging protocols."""
def __init__(self):

10
torba/torba/rpc/jsonrpc.py
View file

@ -42,7 +42,7 @@ from asyncio import Queue, Event, CancelledError
from .util import signature_info
class SingleRequest(object):
class SingleRequest:
__slots__ = ('method', 'args')
def __init__(self, method, args):
@ -98,7 +98,7 @@ class Batch:
return f'Batch({len(self.items)} items)'
class Response(object):
class Response:
__slots__ = ('result', )
def __init__(self, result):
@ -157,7 +157,7 @@ class ProtocolError(CodeMessageError):
self.response_msg_id = id
class JSONRPC(object):
class JSONRPC:
"""Abstract base class that interprets and constructs JSON RPC messages."""
# Error codes. See http://www.jsonrpc.org/specification
@ -569,7 +569,7 @@ class JSONRPCAutoDetect(JSONRPCv2):
return JSONRPCLoose
if isinstance(main, list):
parts = set(protocol_for_payload(payload) for payload in main)
parts = {protocol_for_payload(payload) for payload in main}
# If all same protocol, return it
if len(parts) == 1:
return parts.pop()
@ -584,7 +584,7 @@ class JSONRPCAutoDetect(JSONRPCv2):
return protocol_for_payload(main)
class JSONRPCConnection(object):
class JSONRPCConnection:
"""Maintains state of a JSON RPC connection, in particular
encapsulating the handling of request IDs.

4
torba/torba/rpc/session.py
View file

@ -343,7 +343,7 @@ class BatchError(Exception):
self.request = request # BatchRequest object
class BatchRequest(object):
class BatchRequest:
"""Used to build a batch request to send to the server. Stores
the
@ -512,7 +512,7 @@ class RPCSession(SessionBase):
return BatchRequest(self, raise_errors)
class Server(object):
class Server:
"""A simple wrapper around an asyncio.Server object."""
def __init__(self, session_factory, host=None, port=None, *,

6
torba/torba/rpc/socks.py
View file

@ -58,7 +58,7 @@ class NeedData(Exception):
pass
class SOCKSBase(object):
class SOCKSBase:
@classmethod
def name(cls):
@ -266,7 +266,7 @@ class SOCKS5(SOCKSBase):
return None
class SOCKSProxy(object):
class SOCKSProxy:
def __init__(self, address, protocol, auth):
"""A SOCKS proxy at an address following a SOCKS protocol. auth is an
@ -342,7 +342,7 @@ class SOCKSProxy(object):
return sock, address
exceptions.append(sock)
strings = set(f'{exc!r}' for exc in exceptions)
strings = {f'{exc!r}' for exc in exceptions}
raise (exceptions[0] if len(strings) == 1 else
OSError(f'multiple exceptions: {", ".join(strings)}'))

2
torba/torba/rpc/util.py
View file

@ -68,7 +68,7 @@ def signature_info(func):
return SignatureInfo(min_args, max_args, required_names, other_names)
class Concurrency(object):
class Concurrency:
def __init__(self, max_concurrent):
self._require_non_negative(max_concurrent)

4
torba/torba/server/mempool.py
View file

@ -206,7 +206,7 @@ class MemPool:
hex_hashes = await self.api.mempool_hashes()
if height != await self.api.height():
continue
hashes = set(hex_str_to_hash(hh) for hh in hex_hashes)
hashes = {hex_str_to_hash(hh) for hh in hex_hashes}
async with self.lock:
touched = await self._process_mempool(hashes)
synchronized_event.set()
@ -223,7 +223,7 @@ class MemPool:
# First handle txs that have disappeared
for tx_hash in set(txs).difference(all_hashes):
tx = txs.pop(tx_hash)
tx_hashXs = set(hashX for hashX, value in tx.in_pairs)
tx_hashXs = {hashX for hashX, value in tx.in_pairs}
tx_hashXs.update(hashX for hashX, value in tx.out_pairs)
for hashX in tx_hashXs:
hashXs[hashX].remove(tx_hash)

4
torba/torba/server/peers.py
View file

@ -463,8 +463,8 @@ class PeerManager:
onion_peers = []
# Always report ourselves if valid (even if not public)
peers = set(myself for myself in self.myselves
if myself.last_good > cutoff)
peers = {myself for myself in self.myselves
if myself.last_good > cutoff}
# Bucket the clearnet peers and select up to two from each
buckets = defaultdict(list)

22
torba/torba/server/text.py
View file

@ -15,12 +15,12 @@ def sessions_lines(data):
for (id_, flags, peer, client, proto, reqs, txs_sent, subs,
recv_count, recv_size, send_count, send_size, time) in data:
yield fmt.format(id_, flags, client, proto,
'{:,d}'.format(reqs),
'{:,d}'.format(txs_sent),
'{:,d}'.format(subs),
'{:,d}'.format(recv_count),
f'{reqs:,d}',
f'{txs_sent:,d}',
f'{subs:,d}',
f'{recv_count:,d}',
'{:,d}'.format(recv_size // 1024),
'{:,d}'.format(send_count),
f'{send_count:,d}',
'{:,d}'.format(send_size // 1024),
util.formatted_time(time, sep=''), peer)
@ -37,14 +37,14 @@ def groups_lines(data):
for (id_, session_count, bandwidth, reqs, txs_sent, subs,
recv_count, recv_size, send_count, send_size) in data:
yield fmt.format(id_,
'{:,d}'.format(session_count),
f'{session_count:,d}',
'{:,d}'.format(bandwidth // 1024),
'{:,d}'.format(reqs),
'{:,d}'.format(txs_sent),
'{:,d}'.format(subs),
'{:,d}'.format(recv_count),
f'{reqs:,d}',
f'{txs_sent:,d}',
f'{subs:,d}',
f'{recv_count:,d}',
'{:,d}'.format(recv_size // 1024),
'{:,d}'.format(send_count),
f'{send_count:,d}',
'{:,d}'.format(send_size // 1024))

2
torba/torba/server/tx.py
View file

@ -462,7 +462,7 @@ class TxInputTokenPay(TxInput):
# a coin burn.
if self._is_anon_input():
return True
return super(TxInputTokenPay, self).is_generation()
return super().is_generation()
class TxInputTokenPayStealth(

2
torba/torba/testcase.py
View file

@ -43,7 +43,7 @@ class ColorHandler(logging.StreamHandler):
color_name = self.level_color.get(record.levelno, "black")
color_code = self.color_code[color_name]
stream = self.stream
stream.write('\x1b[%sm%s\x1b[0m' % (color_code, msg))
stream.write(f'\x1b[{color_code}m{msg}\x1b[0m')
stream.write(self.terminator)
self.flush()
except Exception:

4
torba/torba/workbench/_blockchain_dock.py
View file

@ -1,5 +1,3 @@
# -*- coding: utf-8 -*-
# Form implementation generated from reading ui file 'blockchain_dock.ui',
# licensing of 'blockchain_dock.ui' applies.
#
@ -10,7 +8,7 @@
from PySide2 import QtCore, QtGui, QtWidgets
class Ui_BlockchainDock(object):
class Ui_BlockchainDock:
def setupUi(self, BlockchainDock):
BlockchainDock.setObjectName("BlockchainDock")
BlockchainDock.resize(416, 167)

4
torba/torba/workbench/_output_dock.py
View file

@ -1,5 +1,3 @@
# -*- coding: utf-8 -*-
# Form implementation generated from reading ui file 'output_dock.ui',
# licensing of 'output_dock.ui' applies.
#
@ -10,7 +8,7 @@
from PySide2 import QtCore, QtGui, QtWidgets
class Ui_OutputDock(object):
class Ui_OutputDock:
def setupUi(self, OutputDock):
OutputDock.setObjectName("OutputDock")
OutputDock.resize(700, 397)