
import logging
import os
import threading
import time


try:
							import warnings
except ImportError:
							lowercase__	:str										=					None

try:
							import msvcrt
except ImportError:
							lowercase__	:Tuple										=					None

try:
							import fcntl
except ImportError:
							lowercase__	:Optional[Any]										=					None


# Backward compatibility
# ------------------------------------------------
try:
							TimeoutError
except NameError:
							lowercase__	:List[Any]										=					OSError


# Data
# ------------------------------------------------
lowercase__	:List[str]										=					[
    "Timeout",
    "BaseFileLock",
    "WindowsFileLock",
    "UnixFileLock",
    "SoftFileLock",
    "FileLock",
]

lowercase__	:Tuple										=					"3.0.12"


lowercase__	:Tuple										=					None



def  UpperCamelCase					(							):
					'''simple docstring'''
					global _logger
					lowercase					=		_logger or logging.getLogger(__name__	)
					return _logger







class        lowercase	(      SCREAMING_SNAKE_CASE__	):




							def __init__(       self     ,A__):
												lowercase					=		lock_file
												return None





							def __str__(       self):
												lowercase					=		f'The file lock \'{self.lock_file}\' could not be acquired.'
												return temp







class        lowercase	:




							def __init__(       self     ,A__):
												lowercase					=		lock
												return None




							def __enter__(       self):
												return self.lock





							def __exit__(       self     ,A__     ,A__     ,A__):
												self.lock.release()
												return None







class        lowercase	:




							def __init__(       self     ,A__     ,A__=-1     ,A__=None):
												lowercase					=		max_filename_length if max_filename_length is not None else 2_5_5
												# Hash the filename if it's too long
												lowercase					=		self.hash_filename_if_too_long(A__     ,A__)
												# The path to the lock file.
												lowercase					=		lock_file

												# The file descriptor for the *_lock_file* as it is returned by the
												# os.open() function.
												# This file lock is only NOT None, if the object currently holds the
												# lock.
												lowercase					=		None

												# The default timeout value.
												lowercase					=		timeout

												# We use this lock primarily for the lock counter.
												lowercase					=		threading.Lock()

												# The lock counter is used for implementing the nested locking
												# mechanism. Whenever the lock is acquired, the counter is increased and
												# the lock is only released, when this value is 0 again.
												lowercase					=		0
												return None




							@property
							def 				A__   (       self):
												return self._lock_file




							@property
							def 				A__   (       self):
												return self._timeout




							@timeout.setter
							def 				A__   (       self     ,A__):
												lowercase					=		float(A__)
												return None




							def 				A__   (       self):
												raise NotImplementedError()




							def 				A__   (       self):
												raise NotImplementedError()




							@property
							def 				A__   (       self):
												return self._lock_file_fd is not None




							def 				A__   (       self     ,A__=None     ,A__=0.05):
												# Use the default timeout, if no timeout is provided.
												if timeout is None:
																	lowercase					=		self.timeout

												# Increment the number right at the beginning.
												# We can still undo it, if something fails.
												with self._thread_lock:
																	self._lock_counter += 1

												lowercase					=		id(self)
												lowercase					=		self._lock_file
												lowercase					=		time.time()
												try:
																	while True:
																						with self._thread_lock:
																											if not self.is_locked:
																																logger().debug(f'Attempting to acquire lock {lock_id} on {lock_filename}')
																																self._acquire()

																						if self.is_locked:
																											logger().debug(f'Lock {lock_id} acquired on {lock_filename}')
																											break
																						elif timeout >= 0 and time.time() - start_time > timeout:
																											logger().debug(f'Timeout on acquiring lock {lock_id} on {lock_filename}')
																											raise Timeout(self._lock_file)
																						else:
																											logger().debug(
																											    f'Lock {lock_id} not acquired on {lock_filename}, waiting {poll_intervall} seconds ...')
																											time.sleep(A__)
												except:  # noqa
																	# Something did go wrong, so decrement the counter.
																	with self._thread_lock:
																						lowercase					=		max(0     ,self._lock_counter - 1)

																	raise
												return _Acquire_ReturnProxy(lock=self)




							def 				A__   (       self     ,A__=False):
												with self._thread_lock:
																	if self.is_locked:
																						self._lock_counter -= 1

																						if self._lock_counter == 0 or force:
																											lowercase					=		id(self)
																											lowercase					=		self._lock_file

																											logger().debug(f'Attempting to release lock {lock_id} on {lock_filename}')
																											self._release()
																											lowercase					=		0
																											logger().debug(f'Lock {lock_id} released on {lock_filename}')

												return None




							def __enter__(       self):
												self.acquire()
												return self




							def __exit__(       self     ,A__     ,A__     ,A__):
												self.release()
												return None




							def __del__(       self):
												self.release(force=A__)
												return None





							def 				A__   (       self     ,A__     ,A__):
												lowercase					=		os.path.basename(A__)
												if len(A__) > max_length and max_length > 0:
																	lowercase					=		os.path.dirname(A__)
																	lowercase					=		str(hash(A__))
																	lowercase					=		filename[: max_length - len(A__) - 8] + '''...''' + hashed_filename + '''.lock'''
																	return os.path.join(A__     ,A__)
												else:
																	return path







class        lowercase	(      SCREAMING_SNAKE_CASE__	):




							def __init__(       self     ,A__     ,A__=-1     ,A__=None):
												from .file_utils import relative_to_absolute_path

												super().__init__(A__     ,timeout=A__     ,max_filename_length=A__)
												lowercase					=		'''\\\\?\\''' + relative_to_absolute_path(self.lock_file)




							def 				A__   (       self):
												lowercase					=		os.O_RDWR | os.O_CREAT | os.O_TRUNC

												try:
																	lowercase					=		os.open(self._lock_file     ,A__)
												except OSError:
																	pass
												else:
																	try:
																						msvcrt.locking(A__     ,msvcrt.LK_NBLCK     ,1)
																	except OSError:
																						os.close(A__)
																	else:
																						lowercase					=		fd
												return None





							def 				A__   (       self):
												lowercase					=		self._lock_file_fd
												lowercase					=		None
												msvcrt.locking(A__     ,msvcrt.LK_UNLCK     ,1)
												os.close(A__)

												try:
																	os.remove(self._lock_file)
												# Probably another instance of the application
												# that acquired the file lock.
												except OSError:
																	pass
												return None







class        lowercase	(      SCREAMING_SNAKE_CASE__	):




							def __init__(       self     ,A__     ,A__=-1     ,A__=None):
												lowercase					=		os.statvfs(os.path.dirname(A__)).f_namemax
												super().__init__(A__     ,timeout=A__     ,max_filename_length=A__)




							def 				A__   (       self):
												lowercase					=		os.O_RDWR | os.O_CREAT | os.O_TRUNC
												lowercase					=		os.open(self._lock_file     ,A__)

												try:
																	fcntl.flock(A__     ,fcntl.LOCK_EX | fcntl.LOCK_NB)
												except OSError:
																	os.close(A__)
												else:
																	lowercase					=		fd
												return None





							def 				A__   (       self):
												# Do not remove the lockfile:
												#
												#   https://github.com/benediktschmitt/py-filelock/issues/31
												#   https://stackoverflow.com/questions/17708885/flock-removing-locked-file-without-race-condition
												lowercase					=		self._lock_file_fd
												lowercase					=		None
												fcntl.flock(A__     ,fcntl.LOCK_UN)
												os.close(A__)
												return None







class        lowercase	(      SCREAMING_SNAKE_CASE__	):




							def 				A__   (       self):
												lowercase					=		os.O_WRONLY | os.O_CREAT | os.O_EXCL | os.O_TRUNC
												try:
																	lowercase					=		os.open(self._lock_file     ,A__)
												except OSError:
																	pass
												else:
																	lowercase					=		fd
												return None





							def 				A__   (       self):
												os.close(self._lock_file_fd)
												lowercase					=		None

												try:
																	os.remove(self._lock_file)
												# The file is already deleted and that's what we want.
												except OSError:
																	pass
												return None


lowercase__	:Optional[Any]										=					None

if msvcrt:
							lowercase__	:Tuple										=					WindowsFileLock
elif fcntl:
							lowercase__	:int										=					UnixFileLock
else:
							lowercase__	:int										=					SoftFileLock

							if warnings is not None:
														warnings.warn("only soft file lock is available")






import json
import multiprocessing as mp
import re
from collections import defaultdict
from functools import partial
from typing import Dict, List, Optional, Set, Tuple, Type

from datasets import Dataset
from datasketch import MinHash, MinHashLSH
from dpu_utils.utils.iterators import ThreadedIterator
from tqdm import tqdm


lowercase__	:Optional[Any]										=					re.compile("[^A-Za-z_0-9]")
# parameters used in DuplicationIndex
lowercase__	:List[str]										=					10
lowercase__	:Tuple										=					256



def  UpperCamelCase					(							lowerCAmelCase__	):
					'''simple docstring'''
					if len(lowerCAmelCase__	) < MIN_NUM_TOKENS:
										return None
					lowercase					=		MinHash(num_perm=lowerCAmelCase__	)
					for token in set(lowerCAmelCase__	):
										min_hash.update(token.encode()	)
					return min_hash



def  UpperCamelCase					(							lowerCAmelCase__	):
					'''simple docstring'''
					return {t for t in NON_ALPHA.split(lowerCAmelCase__	) if len(t.strip()	) > 0}







class        lowercase	:




							def __init__(       self     ,*,
							    A__ = 0.85     ,):
												lowercase					=		duplication_jaccard_threshold
												lowercase					=		NUM_PERM
												lowercase					=		MinHashLSH(threshold=self._duplication_jaccard_threshold     ,num_perm=self._num_perm)

												lowercase					=		defaultdict(A__)




							def 				A__   (       self     ,A__     ,A__):
												lowercase					=		self._index.query(A__)
												if code_key in self._index.keys:
																	print(f'Duplicate key {code_key}')
																	return

												self._index.insert(A__     ,A__)
												if len(A__) > 0:
																	for base_duplicate in close_duplicates:
																						if base_duplicate in self._duplicate_clusters:
																											self._duplicate_clusters[base_duplicate].add(A__)
																											break
																	else:
																						self._duplicate_clusters[close_duplicates[0]].add(A__)




							def 				A__   (       self):
												lowercase					=		[]
												for base, duplicates in self._duplicate_clusters.items():
																	lowercase					=		[base] + list(A__)
																	# reformat the cluster to be a list of dict
																	lowercase					=		[{'''base_index''': el[0], '''repo_name''': el[1], '''path''': el[2]} for el in cluster]
																	duplicate_clusters.append(A__)
												return duplicate_clusters





							def 				A__   (       self     ,A__):
												lowercase					=		self.get_duplicate_clusters()
												with open(A__     ,'''w''') as f:
																	json.dump(A__     ,A__)



def  UpperCamelCase					(							lowerCAmelCase__	):
					'''simple docstring'''
					lowercase			,		lowercase					=		element
					lowercase					=		get_min_hash([t for t in NON_ALPHA.split(data['''content''']	) if len(t.strip()	) > 0]	)
					if min_hash is not None:
										return (index, data["repo_name"], data["path"]), min_hash



def  UpperCamelCase					(							lowerCAmelCase__	):
					'''simple docstring'''
					with mp.Pool() as pool:
										for data in pool.imap_unordered(
										    _compute_min_hash				,    ThreadedIterator(lowerCAmelCase__				,    max_queue_size=1_0000	)				,    chunksize=100				,    ):
															if data is not None:
																				yield data



def  UpperCamelCase					(							lowerCAmelCase__				,    lowerCAmelCase__	):
					'''simple docstring'''
					lowercase					=		DuplicationIndex(duplication_jaccard_threshold=lowerCAmelCase__	)

					for filename, min_hash in tqdm(ThreadedIterator(minhash_iter(enumerate(lowerCAmelCase__	)	)				,    max_queue_size=100	)	):
										di.add(lowerCAmelCase__				,    lowerCAmelCase__	)

					# Returns a List[Cluster] where Cluster is List[str] with the filenames.
					return di.get_duplicate_clusters()



def  UpperCamelCase					(							lowerCAmelCase__				,    lowerCAmelCase__	):
					'''simple docstring'''
					lowercase					=		get_tokens(lowerCAmelCase__	)
					lowercase					=		get_tokens(lowerCAmelCase__	)
					return len(tokensa & tokensa	) / len(tokensa | tokensa	)


lowercase__	:List[Any]										=					None



def  UpperCamelCase					(							lowerCAmelCase__				,    lowerCAmelCase__	):
					'''simple docstring'''
					lowercase					=		[]
					for elementa in cluster:
										lowercase					=		_shared_dataset[elementa['''base_index''']]['''content''']
										for elementa in extremes:
															lowercase					=		_shared_dataset[elementa['''base_index''']]['''content''']
															if jaccard_similarity(lowerCAmelCase__				,    lowerCAmelCase__	) >= jaccard_threshold:
																				elementa["copies"] += 1
																				break
										else:
															lowercase					=		1
															extremes.append(lowerCAmelCase__	)
					return extremes



def  UpperCamelCase					(							lowerCAmelCase__				,    lowerCAmelCase__				,    lowerCAmelCase__	):
					'''simple docstring'''
					global _shared_dataset
					lowercase					=		dataset
					lowercase					=		[]
					lowercase					=		partial(_find_cluster_extremes_shared				,    jaccard_threshold=lowerCAmelCase__	)
					with mp.Pool() as pool:
										for extremes in tqdm(
										    pool.imap_unordered(
										        lowerCAmelCase__				,    lowerCAmelCase__				,    )				,    total=len(lowerCAmelCase__	)				,    ):
															extremes_list.append(lowerCAmelCase__	)
					return extremes_list



def  UpperCamelCase					(							lowerCAmelCase__				,    lowerCAmelCase__ = 0.85	):
					'''simple docstring'''
					lowercase					=		make_duplicate_clusters(lowerCAmelCase__				,    lowerCAmelCase__	)
					lowercase					=		{x['''base_index'''] for cluster in duplicate_clusters for x in cluster}
					lowercase					=		{}
					lowercase					=		find_extremes(lowerCAmelCase__				,    lowerCAmelCase__				,    lowerCAmelCase__	)
					for extremes in extremes_clusters:
										for element in extremes:
															lowercase					=		element
					lowercase					=		duplicate_indices - set(extreme_dict.keys()	)
					lowercase					=		dataset.filter(lambda lowerCAmelCase__				,    lowerCAmelCase__	: idx not in remove_indices				,    with_indices=lowerCAmelCase__	)

					# update duplicate_clusters
					for cluster in duplicate_clusters:
										for element in cluster:
															lowercase					=		element['''base_index'''] in extreme_dict
															if element["is_extreme"]:
																				lowercase					=		extreme_dict[element['''base_index''']]['''copies''']

					print(f'Original dataset size: {len(lowerCAmelCase__	)}'	)
					print(f'Number of duplicate clusters: {len(lowerCAmelCase__	)}'	)
					print(f'Files in duplicate cluster: {len(lowerCAmelCase__	)}'	)
					print(f'Unique files in duplicate cluster: {len(lowerCAmelCase__	)}'	)
					print(f'Filtered dataset size: {len(lowerCAmelCase__	)}'	)

					return ds_filter, duplicate_clusters




