from __future__ import annotations

from collections import deque
from enum import Enum
from math import atana, degrees
from sys import maxsize

class 	_SCREAMING_SNAKE_CASE							(     UpperCamelCase__							):






		"""simple docstring"""







		A_						 =      1
		A_						 =      2
		A_						 =      3



		def __repr__(			self    :				Optional[Any]   ):






					"""simple docstring"""
					return F'{self.__class__.__name__}.{self.name}'






def    UpperCAmelCase__(						lowerCamelCase_							,	lowerCamelCase_							,	lowerCamelCase_  ):



			"""simple docstring"""





			_snake_case              =      point
			return degrees(atana(y - miny							,	x - minx  )  )






def    UpperCAmelCase__(						lowerCamelCase_							,	lowerCamelCase_							,	lowerCamelCase_  ):



			"""simple docstring"""





			_snake_case              =      starting
			_snake_case              =      via
			_snake_case              =      target
			_snake_case              =      degrees(atana(ya - ya							,	xa - xa  )  )
			via_angle %= 360
			_snake_case              =      degrees(atana(ya - ya							,	xa - xa  )  )
			target_angle %= 360
			# t-
			#  \ \
			#   \ v
			#    \|
			#     s
			# via_angle is always lower than target_angle, if direction is left.
			# If they are same, it means they are on a same line of convex hull.
			if target_angle > via_angle:
						return Direction.left
			elif target_angle == via_angle:
						return Direction.straight
			else:
						return Direction.right







def    UpperCAmelCase__(						lowerCamelCase_  ):



			"""simple docstring"""





			if len(lowerCamelCase_  ) <= 2:
						# There is no convex hull
						raise ValueError("graham_scan: argument must contain more than 3 points."  )
			if len(lowerCamelCase_  ) == 3:
						return points
			# find the lowest and the most left point
			_snake_case              =      0
			_snake_case              =      maxsize, maxsize
			for i, point in enumerate(lowerCamelCase_  ):
						_snake_case              =      point[0]
						_snake_case              =      point[1]
						if y < miny:
									_snake_case              =      y
									_snake_case              =      x
									_snake_case              =      i
						if y == miny and x < minx:
									_snake_case              =      x
									_snake_case              =      i

						# remove the lowest and the most left point from points for preparing for sort
			points.pop(lowerCamelCase_  )

			_snake_case              =      sorted(lowerCamelCase_							,	key=lambda lowerCamelCase_  : angle_comparer(lowerCamelCase_							,	lowerCamelCase_							,	lowerCamelCase_  )  )
			# This insert actually costs complexity,
			# and you should instead add (minx, miny) into stack later.
			# I'm using insert just for easy understanding.
			sorted_points.insert(0							,	(minx, miny)  )

			_snake_case              =      deque()
			stack.append(sorted_points[0]  )
			stack.append(sorted_points[1]  )
			stack.append(sorted_points[2]  )
			# In any ways, the first 3 points line are towards left.
			# Because we sort them the angle from minx, miny.
			_snake_case              =      Direction.left

			for i in range(3							,	len(lowerCamelCase_  )  ):
						while True:
									_snake_case              =      stack[-2]
									_snake_case              =      stack[-1]
									_snake_case              =      sorted_points[i]
									_snake_case              =      check_direction(lowerCamelCase_							,	lowerCamelCase_							,	lowerCamelCase_  )

									if next_direction == Direction.left:
												_snake_case              =      Direction.left
												break
									if next_direction == Direction.straight:
												if current_direction == Direction.left:
															# We keep current_direction as left.
															# Because if the straight line keeps as straight,
															# we want to know if this straight line is towards left.
															break
												elif current_direction == Direction.right:
															# If the straight line is towards right,
															# every previous points on those straigh line is not convex hull.
															stack.pop()
									if next_direction == Direction.right:
												stack.pop()
						stack.append(sorted_points[i]  )
			return list(lowerCamelCase_  )


import csv
import dataclasses
import json
from dataclasses import dataclass
from typing import List, Optional, Union

from ...utils import is_tf_available, is_torch_available, logging


_SCREAMING_SNAKE_CASE:						List[str]    	=       logging.get_logger(__name__)

@dataclass
class 	_SCREAMING_SNAKE_CASE							:






		"""simple docstring"""







		A_						 =      42
		A_						 =      42
		A_						 =      None
		A_						 =      None



		def 				_a				(			self    :				Union[str, Any]   ):






					"""simple docstring"""
					return json.dumps(dataclasses.asdict(self   )  ,					indent=2   ) + "\n"

@dataclass(frozen=_lowercase							)
class 	_SCREAMING_SNAKE_CASE							:






		"""simple docstring"""







		A_						 =      42
		A_						 =      None
		A_						 =      None
		A_						 =      None



		def 				_a				(			self    :				List[Any]   ):






					"""simple docstring"""
					return json.dumps(dataclasses.asdict(self   )   ) + "\n"

class 	_SCREAMING_SNAKE_CASE							:






		"""simple docstring"""







		def 				_a				(			self    :				Tuple  ,					__SCREAMING_SNAKE_CASE    :				Tuple   ):






					"""simple docstring"""
					raise NotImplementedError()



		def 				_a				(			self    :				Any  ,					__SCREAMING_SNAKE_CASE    :				Optional[Any]   ):






					"""simple docstring"""
					raise NotImplementedError()



		def 				_a				(			self    :				str  ,					__SCREAMING_SNAKE_CASE    :				Optional[int]   ):






					"""simple docstring"""
					raise NotImplementedError()



		def 				_a				(			self    :				str  ,					__SCREAMING_SNAKE_CASE    :				Tuple   ):






					"""simple docstring"""
					raise NotImplementedError()



		def 				_a				(			self    :				Dict   ):






					"""simple docstring"""
					raise NotImplementedError()



		def 				_a				(			self    :				Optional[Any]  ,					__SCREAMING_SNAKE_CASE    :				str   ):






					"""simple docstring"""
					if len(self.get_labels()   ) > 1:
								_snake_case              =      self.get_labels()[int(example.label   )]
					return example







		@classmethod
		def 				_a				(			cls    :				List[Any]  ,					__SCREAMING_SNAKE_CASE    :				List[str]  ,					__SCREAMING_SNAKE_CASE    :				Tuple=None   ):






					"""simple docstring"""
					with open(__SCREAMING_SNAKE_CASE  ,					"r"  ,					encoding="utf-8-sig"   ) as f:
								return list(csv.reader(__SCREAMING_SNAKE_CASE  ,					delimiter="\t"  ,					quotechar=__SCREAMING_SNAKE_CASE   )   )

class 	_SCREAMING_SNAKE_CASE							(     _lowercase							):






		"""simple docstring"""







		def __init__(			self    :				int  ,					__SCREAMING_SNAKE_CASE    :				List[str]=None  ,					__SCREAMING_SNAKE_CASE    :				Any=None  ,					__SCREAMING_SNAKE_CASE    :				List[str]="classification"  ,					__SCREAMING_SNAKE_CASE    :				Any=False   ):






					"""simple docstring"""
					_snake_case              =      [] if labels is None else labels
					_snake_case              =      [] if examples is None else examples
					_snake_case              =      mode
					_snake_case              =      verbose



		def __len__(			self    :				List[str]   ):






					"""simple docstring"""
					return len(self.examples   )



		def __getitem__(			self    :				List[str]  ,					__SCREAMING_SNAKE_CASE    :				Tuple   ):






					"""simple docstring"""
					if isinstance(__SCREAMING_SNAKE_CASE  ,					__SCREAMING_SNAKE_CASE   ):
								return SingleSentenceClassificationProcessor(labels=self.labels  ,					examples=self.examples[idx]   )
					return self.examples[idx]



		@classmethod
		def 				_a				(			cls    :				int  ,					__SCREAMING_SNAKE_CASE    :				Tuple  ,					__SCREAMING_SNAKE_CASE    :				Optional[int]=""  ,					__SCREAMING_SNAKE_CASE    :				Tuple=0  ,					__SCREAMING_SNAKE_CASE    :				Dict=1  ,					__SCREAMING_SNAKE_CASE    :				List[Any]=None  ,					__SCREAMING_SNAKE_CASE    :				Optional[Any]=False  ,					**__SCREAMING_SNAKE_CASE    :				str   ):






					"""simple docstring"""
					_snake_case              =      cls(**__SCREAMING_SNAKE_CASE   )
					processor.add_examples_from_csv(
					    __SCREAMING_SNAKE_CASE  ,					split_name=__SCREAMING_SNAKE_CASE  ,					column_label=__SCREAMING_SNAKE_CASE  ,					column_text=__SCREAMING_SNAKE_CASE  ,					column_id=__SCREAMING_SNAKE_CASE  ,					skip_first_row=__SCREAMING_SNAKE_CASE  ,					overwrite_labels=__SCREAMING_SNAKE_CASE  ,					overwrite_examples=__SCREAMING_SNAKE_CASE  ,					)
					return processor



		@classmethod
		def 				_a				(			cls    :				Any  ,					__SCREAMING_SNAKE_CASE    :				Optional[Any]  ,					__SCREAMING_SNAKE_CASE    :				List[str]=None  ,					**__SCREAMING_SNAKE_CASE    :				List[str]   ):






					"""simple docstring"""
					_snake_case              =      cls(**__SCREAMING_SNAKE_CASE   )
					processor.add_examples(__SCREAMING_SNAKE_CASE  ,					labels=__SCREAMING_SNAKE_CASE   )
					return processor



		def 				_a				(			self    :				Tuple  ,					__SCREAMING_SNAKE_CASE    :				List[Any]  ,					__SCREAMING_SNAKE_CASE    :				Dict=""  ,					__SCREAMING_SNAKE_CASE    :				str=0  ,					__SCREAMING_SNAKE_CASE    :				List[str]=1  ,					__SCREAMING_SNAKE_CASE    :				Optional[int]=None  ,					__SCREAMING_SNAKE_CASE    :				List[str]=False  ,					__SCREAMING_SNAKE_CASE    :				Any=False  ,					__SCREAMING_SNAKE_CASE    :				str=False  ,					):






					"""simple docstring"""
					_snake_case              =      self._read_tsv(__SCREAMING_SNAKE_CASE   )
					if skip_first_row:
								_snake_case              =      lines[1:]
					_snake_case              =      []
					_snake_case              =      []
					_snake_case              =      []
					for i, line in enumerate(__SCREAMING_SNAKE_CASE   ):
								texts.append(line[column_text]   )
								labels.append(line[column_label]   )
								if column_id is not None:
											ids.append(line[column_id]   )
								else:
											_snake_case              =      F'{split_name}-{i}' if split_name else str(__SCREAMING_SNAKE_CASE   )
											ids.append(__SCREAMING_SNAKE_CASE   )

					return self.add_examples(
					    __SCREAMING_SNAKE_CASE  ,					__SCREAMING_SNAKE_CASE  ,					__SCREAMING_SNAKE_CASE  ,					overwrite_labels=__SCREAMING_SNAKE_CASE  ,					overwrite_examples=__SCREAMING_SNAKE_CASE   )



		def 				_a				(			self    :				Optional[Any]  ,					__SCREAMING_SNAKE_CASE    :				Dict  ,					__SCREAMING_SNAKE_CASE    :				int=None  ,					__SCREAMING_SNAKE_CASE    :				Union[str, Any]=None  ,					__SCREAMING_SNAKE_CASE    :				Tuple=False  ,					__SCREAMING_SNAKE_CASE    :				str=False   ):






					"""simple docstring"""
					if labels is not None and len(__SCREAMING_SNAKE_CASE   ) != len(__SCREAMING_SNAKE_CASE   ):
								raise ValueError(
								    F'Text and labels have mismatched lengths {len(__SCREAMING_SNAKE_CASE   )} and {len(__SCREAMING_SNAKE_CASE   )}'   )
					if ids is not None and len(__SCREAMING_SNAKE_CASE   ) != len(__SCREAMING_SNAKE_CASE   ):
								raise ValueError(F'Text and ids have mismatched lengths {len(__SCREAMING_SNAKE_CASE   )} and {len(__SCREAMING_SNAKE_CASE   )}'   )
					if ids is None:
								_snake_case              =      [None] * len(__SCREAMING_SNAKE_CASE   )
					if labels is None:
								_snake_case              =      [None] * len(__SCREAMING_SNAKE_CASE   )
					_snake_case              =      []
					_snake_case              =      set()
					for text_or_text_and_label, label, guid in zip(__SCREAMING_SNAKE_CASE  ,					__SCREAMING_SNAKE_CASE  ,					__SCREAMING_SNAKE_CASE   ):
								if isinstance(__SCREAMING_SNAKE_CASE  ,					(tuple, list)   ) and label is None:
											_snake_case       , _snake_case              =      text_or_text_and_label
								else:
											_snake_case              =      text_or_text_and_label
								added_labels.add(__SCREAMING_SNAKE_CASE   )
								examples.append(InputExample(guid=__SCREAMING_SNAKE_CASE  ,					text_a=__SCREAMING_SNAKE_CASE  ,					text_b=__SCREAMING_SNAKE_CASE  ,					label=__SCREAMING_SNAKE_CASE   )   )

					# Update examples
					if overwrite_examples:
								_snake_case              =      examples
					else:
								self.examples.extend(__SCREAMING_SNAKE_CASE   )

					# Update labels
					if overwrite_labels:
								_snake_case              =      list(__SCREAMING_SNAKE_CASE   )
					else:
								_snake_case              =      list(set(self.labels   ).union(__SCREAMING_SNAKE_CASE   )   )

					return self.examples







		def 				_a				(			self    :				int  ,					__SCREAMING_SNAKE_CASE    :				str  ,					__SCREAMING_SNAKE_CASE    :				Optional[Any]=None  ,					__SCREAMING_SNAKE_CASE    :				Any=False  ,					__SCREAMING_SNAKE_CASE    :				Any=0  ,					__SCREAMING_SNAKE_CASE    :				Tuple=True  ,					__SCREAMING_SNAKE_CASE    :				List[str]=None  ,					):






					"""simple docstring"""
					if max_length is None:
								_snake_case              =      tokenizer.max_len

					_snake_case              =      {label: i for i, label in enumerate(self.labels   )}

					_snake_case              =      []
					for ex_index, example in enumerate(self.examples   ):
								if ex_index % 10_000 == 0:
											logger.info(F'Tokenizing example {ex_index}'   )

								_snake_case              =      tokenizer.encode(
								    example.text_a  ,					add_special_tokens=__SCREAMING_SNAKE_CASE  ,					max_length=min(__SCREAMING_SNAKE_CASE  ,					tokenizer.max_len   )  ,					)
								all_input_ids.append(__SCREAMING_SNAKE_CASE   )

					_snake_case              =      max(len(__SCREAMING_SNAKE_CASE   ) for input_ids in all_input_ids   )

					_snake_case              =      []
					for ex_index, (input_ids, example) in enumerate(zip(__SCREAMING_SNAKE_CASE  ,					self.examples   )   ):
								if ex_index % 10_000 == 0:
											logger.info(F'Writing example {ex_index}/{len(self.examples   )}'   )
								# The mask has 1 for real tokens and 0 for padding tokens. Only real
								# tokens are attended to.
								_snake_case              =      [1 if mask_padding_with_zero else 0] * len(__SCREAMING_SNAKE_CASE   )

								# Zero-pad up to the sequence length.
								_snake_case              =      batch_length - len(__SCREAMING_SNAKE_CASE   )
								if pad_on_left:
											_snake_case              =      ([pad_token] * padding_length) + input_ids
											_snake_case              =      ([0 if mask_padding_with_zero else 1] * padding_length) + attention_mask
								else:
											_snake_case              =      input_ids + ([pad_token] * padding_length)
											_snake_case              =      attention_mask + ([0 if mask_padding_with_zero else 1] * padding_length)

								if len(__SCREAMING_SNAKE_CASE   ) != batch_length:
											raise ValueError(F'Error with input length {len(__SCREAMING_SNAKE_CASE   )} vs {batch_length}'   )
								if len(__SCREAMING_SNAKE_CASE   ) != batch_length:
											raise ValueError(F'Error with input length {len(__SCREAMING_SNAKE_CASE   )} vs {batch_length}'   )

								if self.mode == "classification":
											_snake_case              =      label_map[example.label]
								elif self.mode == "regression":
											_snake_case              =      float(example.label   )
								else:
											raise ValueError(self.mode   )

								if ex_index < 5 and self.verbose:
											logger.info("*** Example ***"   )
											logger.info(F'guid: {example.guid}'   )
											logger.info(F'input_ids: {" ".join([str(__SCREAMING_SNAKE_CASE   ) for x in input_ids]   )}'   )
											logger.info(F'attention_mask: {" ".join([str(__SCREAMING_SNAKE_CASE   ) for x in attention_mask]   )}'   )
											logger.info(F'label: {example.label} (id = {label})'   )

								features.append(InputFeatures(input_ids=__SCREAMING_SNAKE_CASE  ,					attention_mask=__SCREAMING_SNAKE_CASE  ,					label=__SCREAMING_SNAKE_CASE   )   )

					if return_tensors is None:
								return features
					elif return_tensors == "tf":
								if not is_tf_available():
											raise RuntimeError("return_tensors set to 'tf' but TensorFlow 2.0 can't be imported"   )
								import tensorflow as tf

								def gen():
											for ex in features:
														yield ({"input_ids": ex.input_ids, "attention_mask": ex.attention_mask}, ex.label)

								_snake_case              =      tf.data.Dataset.from_generator(
								    __SCREAMING_SNAKE_CASE  ,					({"input_ids": tf.intaa, "attention_mask": tf.intaa}, tf.intaa)  ,					({"input_ids": tf.TensorShape([None]   ), "attention_mask": tf.TensorShape([None]   )}, tf.TensorShape([]   ))  ,					)
								return dataset
					elif return_tensors == "pt":
								if not is_torch_available():
											raise RuntimeError("return_tensors set to 'pt' but PyTorch can't be imported"   )
								import torch
								from torch.utils.data import TensorDataset

								_snake_case              =      torch.tensor([f.input_ids for f in features]  ,					dtype=torch.long   )
								_snake_case              =      torch.tensor([f.attention_mask for f in features]  ,					dtype=torch.long   )
								if self.mode == "classification":
											_snake_case              =      torch.tensor([f.label for f in features]  ,					dtype=torch.long   )
								elif self.mode == "regression":
											_snake_case              =      torch.tensor([f.label for f in features]  ,					dtype=torch.float   )

								_snake_case              =      TensorDataset(__SCREAMING_SNAKE_CASE  ,					__SCREAMING_SNAKE_CASE  ,					__SCREAMING_SNAKE_CASE   )
								return dataset
					else:
								raise ValueError("return_tensors should be one of 'tf' or 'pt'"   )

