
"""simple docstring"""






_lowercase							=				9.8_0_6_6_5



def      lowerCAmelCase__			(		__magic_name__			,   __magic_name__			,   __magic_name__ = g      )						->float:

			if fluid_density <= 0:
						raise ValueError("Impossible fluid density"      )
			if volume < 0:
						raise ValueError("Impossible Object volume"      )
			if gravity <= 0:
						raise ValueError("Impossible Gravity"      )

			return fluid_density * gravity * volume


if __name__ == "__main__":
					import doctest

					# run doctest
					doctest.testmod()







"""simple docstring"""






import argparse
import os
import re

import tensorflow as tf
import torch

from transformers import BertConfig, BertModel
from transformers.utils import logging


logging.set_verbosity_info()
_lowercase							=				logging.get_logger(__name__)



def      lowerCAmelCase__			(		__magic_name__			,   __magic_name__			,   __magic_name__      )						->str:
			__lowercase       =       os.path.abspath(__magic_name__      )
			logger.info(F'''Converting TensorFlow checkpoint from {tf_path}'''      )
			# Load weights from TF model
			__lowercase       =       tf.train.list_variables(__magic_name__      )
			__lowercase       =       []
			__lowercase       =       []
			__lowercase       =       []
			for full_name, shape in init_vars:
						# logger.info(f"Loading TF weight {name} with shape {shape}")
						__lowercase       =       full_name.split("/"      )
						if full_name == "_CHECKPOINTABLE_OBJECT_GRAPH" or name[0] in ["global_step", "save_counter"]:
									logger.info(F'''Skipping non-model layer {full_name}'''      )
									continue
						if "optimizer" in full_name:
									logger.info(F'''Skipping optimization layer {full_name}'''      )
									continue
						if name[0] == "model":
									# ignore initial 'model'
									__lowercase       =       name[1:]
						# figure out how many levels deep the name is
						__lowercase       =       0
						for _name in name:
									if _name.startswith("layer_with_weights"      ):
												depth += 1
									else:
												break
						layer_depth.append(__magic_name__      )
						# read data
						__lowercase       =       tf.train.load_variable(__magic_name__			,   __magic_name__      )
						names.append("/".join(__magic_name__      )      )
						arrays.append(__magic_name__      )
			logger.info(F'''Read a total of {len(__magic_name__      ):,} layers'''      )

			# Sanity check
			if len(set(__magic_name__      )      ) != 1:
						raise ValueError(F'''Found layer names with different depths (layer depth {list(set(__magic_name__      )      )})'''      )
			__lowercase       =       list(set(__magic_name__      )      )[0]
			if layer_depth != 1:
						raise ValueError(
						    "The model contains more than just the embedding/encoder layers. This script does not handle MLM/NSP"
						    " heads."      )

			# convert layers
			logger.info("Converting weights..."      )
			for full_name, array in zip(__magic_name__			,   __magic_name__      ):
						__lowercase       =       full_name.split("/"      )
						__lowercase       =       model
						__lowercase       =       []
						for i, m_name in enumerate(__magic_name__      ):
									if m_name == ".ATTRIBUTES":
												# variable names end with .ATTRIBUTES/VARIABLE_VALUE
												break
									if m_name.startswith("layer_with_weights"      ):
												__lowercase       =       int(m_name.split("-"      )[-1]      )
												if layer_num <= 2:
															# embedding layers
															# layer_num 0: word_embeddings
															# layer_num 1: position_embeddings
															# layer_num 2: token_type_embeddings
															continue
												elif layer_num == 3:
															# embedding LayerNorm
															trace.extend(["embeddings", "LayerNorm"]      )
															__lowercase       =       getattr(__magic_name__			,   "embeddings"      )
															__lowercase       =       getattr(__magic_name__			,   "LayerNorm"      )
												elif layer_num > 3 and layer_num < config.num_hidden_layers + 4:
															# encoder layers
															trace.extend(["encoder", "layer", str(layer_num - 4      )]      )
															__lowercase       =       getattr(__magic_name__			,   "encoder"      )
															__lowercase       =       getattr(__magic_name__			,   "layer"      )
															__lowercase       =       pointer[layer_num - 4]
												elif layer_num == config.num_hidden_layers + 4:
															# pooler layer
															trace.extend(["pooler", "dense"]      )
															__lowercase       =       getattr(__magic_name__			,   "pooler"      )
															__lowercase       =       getattr(__magic_name__			,   "dense"      )
									elif m_name == "embeddings":
												trace.append("embeddings"      )
												__lowercase       =       getattr(__magic_name__			,   "embeddings"      )
												if layer_num == 0:
															trace.append("word_embeddings"      )
															__lowercase       =       getattr(__magic_name__			,   "word_embeddings"      )
												elif layer_num == 1:
															trace.append("position_embeddings"      )
															__lowercase       =       getattr(__magic_name__			,   "position_embeddings"      )
												elif layer_num == 2:
															trace.append("token_type_embeddings"      )
															__lowercase       =       getattr(__magic_name__			,   "token_type_embeddings"      )
												else:
															raise ValueError(F'''Unknown embedding layer with name {full_name}'''      )
												trace.append("weight"      )
												__lowercase       =       getattr(__magic_name__			,   "weight"      )
									elif m_name == "_attention_layer":
												# self-attention layer
												trace.extend(["attention", "self"]      )
												__lowercase       =       getattr(__magic_name__			,   "attention"      )
												__lowercase       =       getattr(__magic_name__			,   "self"      )
									elif m_name == "_attention_layer_norm":
												# output attention norm
												trace.extend(["attention", "output", "LayerNorm"]      )
												__lowercase       =       getattr(__magic_name__			,   "attention"      )
												__lowercase       =       getattr(__magic_name__			,   "output"      )
												__lowercase       =       getattr(__magic_name__			,   "LayerNorm"      )
									elif m_name == "_attention_output_dense":
												# output attention dense
												trace.extend(["attention", "output", "dense"]      )
												__lowercase       =       getattr(__magic_name__			,   "attention"      )
												__lowercase       =       getattr(__magic_name__			,   "output"      )
												__lowercase       =       getattr(__magic_name__			,   "dense"      )
									elif m_name == "_output_dense":
												# output dense
												trace.extend(["output", "dense"]      )
												__lowercase       =       getattr(__magic_name__			,   "output"      )
												__lowercase       =       getattr(__magic_name__			,   "dense"      )
									elif m_name == "_output_layer_norm":
												# output dense
												trace.extend(["output", "LayerNorm"]      )
												__lowercase       =       getattr(__magic_name__			,   "output"      )
												__lowercase       =       getattr(__magic_name__			,   "LayerNorm"      )
									elif m_name == "_key_dense":
												# attention key
												trace.append("key"      )
												__lowercase       =       getattr(__magic_name__			,   "key"      )
									elif m_name == "_query_dense":
												# attention query
												trace.append("query"      )
												__lowercase       =       getattr(__magic_name__			,   "query"      )
									elif m_name == "_value_dense":
												# attention value
												trace.append("value"      )
												__lowercase       =       getattr(__magic_name__			,   "value"      )
									elif m_name == "_intermediate_dense":
												# attention intermediate dense
												trace.extend(["intermediate", "dense"]      )
												__lowercase       =       getattr(__magic_name__			,   "intermediate"      )
												__lowercase       =       getattr(__magic_name__			,   "dense"      )
									elif m_name == "_output_layer_norm":
												# output layer norm
												trace.append("output"      )
												__lowercase       =       getattr(__magic_name__			,   "output"      )
									# weights & biases
									elif m_name in ["bias", "beta"]:
												trace.append("bias"      )
												__lowercase       =       getattr(__magic_name__			,   "bias"      )
									elif m_name in ["kernel", "gamma"]:
												trace.append("weight"      )
												__lowercase       =       getattr(__magic_name__			,   "weight"      )
									else:
												logger.warning(F'''Ignored {m_name}'''      )
        # for certain layers reshape is necessary
						__lowercase       =       ".".join(__magic_name__      )
						if re.match(R"(\S+)\.attention\.self\.(key|value|query)\.(bias|weight)"			,   __magic_name__      ) or re.match(
						    R"(\S+)\.attention\.output\.dense\.weight"			,   __magic_name__      ):
									__lowercase       =       array.reshape(pointer.data.shape      )
						if "kernel" in full_name:
									__lowercase       =       array.transpose()
						if pointer.shape == array.shape:
									__lowercase       =       torch.from_numpy(__magic_name__      )
						else:
									raise ValueError(
									    F'''Shape mismatch in layer {full_name}: Model expects shape {pointer.shape} but layer contains shape:'''
									    F''' {array.shape}'''      )
						logger.info(F'''Successfully set variable {full_name} to PyTorch layer {trace}'''      )
			return model



def      lowerCAmelCase__			(		__magic_name__			,   __magic_name__			,   __magic_name__      )						->str:
			# Instantiate model
			logger.info(F'''Loading model based on config from {config_path}...'''      )
			__lowercase       =       BertConfig.from_json_file(__magic_name__      )
			__lowercase       =       BertModel(__magic_name__      )

			# Load weights from checkpoint
			logger.info(F'''Loading weights from checkpoint {tf_checkpoint_path}...'''      )
			load_tfa_weights_in_bert(__magic_name__			,   __magic_name__			,   __magic_name__      )

			# Save pytorch-model
			logger.info(F'''Saving PyTorch model to {pytorch_dump_path}...'''      )
			torch.save(model.state_dict()			,   __magic_name__      )


if __name__ == "__main__":
					_lowercase							=				argparse.ArgumentParser()
					parser.add_argument(
					    '''--tf_checkpoint_path''', type=str, required=True, help='''Path to the TensorFlow 2.x checkpoint path.'''
					)
					parser.add_argument(
					    '''--bert_config_file''',
					    type=str,
					    required=True,
					    help='''The config json file corresponding to the BERT model. This specifies the model architecture.''',
					)
					parser.add_argument(
					    '''--pytorch_dump_path''',
					    type=str,
					    required=True,
					    help='''Path to the output PyTorch model (must include filename).''',
					)
					_lowercase							=				parser.parse_args()
					convert_tfa_checkpoint_to_pytorch(args.tf_checkpoint_path, args.bert_config_file, args.pytorch_dump_path)





