




import json
import logging
import os
import socket

import git
import numpy as np
import torch


logging.basicConfig(
    format="%(asctime)s - %(levelname)s - %(name)s - PID: %(process)d -  %(message)s",
    datefmt="%m/%d/%Y %H:%M:%S",
    level=logging.INFO,
)
a													=			logging.getLogger(__name__)




def        _SCREAMING_SNAKE_CASE      (		snake_case       )						->				Any:
						_UpperCAmelCase      =			git.Repo(search_parent_directories=snake_case       )
						_UpperCAmelCase      =			{
						    """repo_id""": str(snake_case       ),
						    """repo_sha""": str(repo.head.object.hexsha       ),
						    """repo_branch""": str(repo.active_branch       ),
						}

						with open(os.path.join(snake_case			,     """git_log.json"""       )			,     """w"""       ) as f:
												json.dump(snake_case			,     snake_case			,     indent=4       )




def        _SCREAMING_SNAKE_CASE      (		snake_case       )						->				int:
						if params.n_gpu <= 0:
												_UpperCAmelCase      =			0
												_UpperCAmelCase      =			-1
												_UpperCAmelCase      =			True
												_UpperCAmelCase      =			False
												return

						assert torch.cuda.is_available()

						logger.info("""Initializing GPUs"""       )
						if params.n_gpu > 1:
												assert params.local_rank != -1

												_UpperCAmelCase      =			int(os.environ["""WORLD_SIZE"""]       )
												_UpperCAmelCase      =			int(os.environ["""N_GPU_NODE"""]       )
												_UpperCAmelCase      =			int(os.environ["""RANK"""]       )

												# number of nodes / node ID
												_UpperCAmelCase      =			params.world_size // params.n_gpu_per_node
												_UpperCAmelCase      =			params.global_rank // params.n_gpu_per_node
												_UpperCAmelCase      =			True

												assert params.n_nodes == int(os.environ["""N_NODES"""]       )
												assert params.node_id == int(os.environ["""NODE_RANK"""]       )

						# local job (single GPU)
						else:
												assert params.local_rank == -1

												_UpperCAmelCase      =			1
												_UpperCAmelCase      =			0
												_UpperCAmelCase      =			0
												_UpperCAmelCase      =			0
												_UpperCAmelCase      =			1
												_UpperCAmelCase      =			1
												_UpperCAmelCase      =			False

						# sanity checks
						assert params.n_nodes >= 1
						assert 0 <= params.node_id < params.n_nodes
						assert 0 <= params.local_rank <= params.global_rank < params.world_size
						assert params.world_size == params.n_nodes * params.n_gpu_per_node

						# define whether this is the master process / if we are in multi-node distributed mode
						_UpperCAmelCase      =			params.node_id == 0 and params.local_rank == 0
						_UpperCAmelCase      =			params.n_nodes > 1

						# summary
						_UpperCAmelCase      =			f"--- Global rank: {params.global_rank} - "
						logger.info(PREFIX + """Number of nodes: %i""" % params.n_nodes       )
						logger.info(PREFIX + """Node ID        : %i""" % params.node_id       )
						logger.info(PREFIX + """Local rank     : %i""" % params.local_rank       )
						logger.info(PREFIX + """World size     : %i""" % params.world_size       )
						logger.info(PREFIX + """GPUs per node  : %i""" % params.n_gpu_per_node       )
						logger.info(PREFIX + """Master         : %s""" % str(params.is_master       )       )
						logger.info(PREFIX + """Multi-node     : %s""" % str(params.multi_node       )       )
						logger.info(PREFIX + """Multi-GPU      : %s""" % str(params.multi_gpu       )       )
						logger.info(PREFIX + """Hostname       : %s""" % socket.gethostname()       )

						# set GPU device
						torch.cuda.set_device(params.local_rank       )

						# initialize multi-GPU
						if params.multi_gpu:
												logger.info("""Initializing PyTorch distributed"""       )
												torch.distributed.init_process_group(
												    init_method="""env://"""			,     backend="""nccl"""			,     )




def        _SCREAMING_SNAKE_CASE      (		snake_case       )						->				int:
						np.random.seed(args.seed       )
						torch.manual_seed(args.seed       )
						if args.n_gpu > 0:
												torch.cuda.manual_seed_all(args.seed       )





import os
import string
import sys


a													=			1 << 8

a													=			{
    "tab": ord("\t"),
    "newline": ord("\r"),
    "esc": 27,
    "up": 65 + ARROW_KEY_FLAG,
    "down": 66 + ARROW_KEY_FLAG,
    "right": 67 + ARROW_KEY_FLAG,
    "left": 68 + ARROW_KEY_FLAG,
    "mod_int": 91,
    "undefined": sys.maxsize,
    "interrupt": 3,
    "insert": 50,
    "delete": 51,
    "pg_up": 53,
    "pg_down": 54,
}

a													=			KEYMAP["up"]
a													=			KEYMAP["left"]

if sys.platform == "win32":
				a													=			[]
				a													=			{
				    b"\xe0H": KEYMAP["up"] - ARROW_KEY_FLAG,
				    b"\x00H": KEYMAP["up"] - ARROW_KEY_FLAG,
				    b"\xe0P": KEYMAP["down"] - ARROW_KEY_FLAG,
				    b"\x00P": KEYMAP["down"] - ARROW_KEY_FLAG,
				    b"\xe0M": KEYMAP["right"] - ARROW_KEY_FLAG,
				    b"\x00M": KEYMAP["right"] - ARROW_KEY_FLAG,
				    b"\xe0K": KEYMAP["left"] - ARROW_KEY_FLAG,
				    b"\x00K": KEYMAP["left"] - ARROW_KEY_FLAG,
				}

for i in range(10):
				a													=			ord(str(i))




def        _SCREAMING_SNAKE_CASE      (		)						->				Optional[int]:
						if os.name == "nt":
												import msvcrt

												_UpperCAmelCase      =			"""mbcs"""
												# Flush the keyboard buffer
												while msvcrt.kbhit():
																		msvcrt.getch()
												if len(snake_case       ) == 0:
																		# Read the keystroke
																		_UpperCAmelCase      =			msvcrt.getch()

																		# If it is a prefix char, get second part
																		if ch in (b"\x00", b"\xe0"):
																								_UpperCAmelCase      =			ch + msvcrt.getch()
																								# Translate actual Win chars to bullet char types
																								try:
																														_UpperCAmelCase      =			chr(WIN_KEYMAP[cha]       )
																														WIN_CH_BUFFER.append(chr(KEYMAP["""mod_int"""]       )       )
																														WIN_CH_BUFFER.append(snake_case       )
																														if ord(snake_case       ) in (
																														    KEYMAP["insert"] - 1 << 9,
																														    KEYMAP["delete"] - 1 << 9,
																														    KEYMAP["pg_up"] - 1 << 9,
																														    KEYMAP["pg_down"] - 1 << 9,
																														):
																																				WIN_CH_BUFFER.append(chr(1_2_6       )       )
																														_UpperCAmelCase      =			chr(KEYMAP["""esc"""]       )
																								except KeyError:
																														_UpperCAmelCase      =			cha[1]
																		else:
																								_UpperCAmelCase      =			ch.decode(snake_case       )
												else:
																		_UpperCAmelCase      =			WIN_CH_BUFFER.pop(0       )
						elif os.name == "posix":
												import termios
												import tty

												_UpperCAmelCase      =			sys.stdin.fileno()
												_UpperCAmelCase      =			termios.tcgetattr(snake_case       )
												try:
																		tty.setraw(snake_case       )
																		_UpperCAmelCase      =			sys.stdin.read(1       )
												finally:
																		termios.tcsetattr(snake_case			,     termios.TCSADRAIN			,     snake_case       )
						return ch




def        _SCREAMING_SNAKE_CASE      (		)						->				Dict:
						_UpperCAmelCase      =			get_raw_chars()
						if ord(snake_case       ) in [KEYMAP["interrupt"], KEYMAP["newline"]]:
												return char

						elif ord(snake_case       ) == KEYMAP["esc"]:
												_UpperCAmelCase      =			get_raw_chars()
												if ord(snake_case       ) == KEYMAP["mod_int"]:
																		_UpperCAmelCase      =			get_raw_chars()
																		if ord(snake_case       ) >= KEYMAP["arrow_begin"] - ARROW_KEY_FLAG and ord(snake_case       ) <= KEYMAP["arrow_end"] - ARROW_KEY_FLAG:
																								return chr(ord(snake_case       ) + ARROW_KEY_FLAG       )
																		else:
																								return KEYMAP["undefined"]
												else:
																		return get_raw_chars()

						else:
												if char in string.printable:
																		return char
												else:
																		return KEYMAP["undefined"]