



"""simple docstring"""







import os
import sys
import unittest


UpperCamelCase     =							os.path.abspath(os.path.dirname(os.path.dirname(os.path.dirname(__file__))))
sys.path.append(os.path.join(git_repo_path, """utils"""))

import check_dummies  # noqa: E402
from check_dummies import create_dummy_files, create_dummy_object, find_backend, read_init  # noqa: E402


# Align TRANSFORMERS_PATH in check_dummies with the current path
UpperCamelCase     =							os.path.join(git_repo_path, """src""", """transformers""")

UpperCamelCase     =							"""
{0} = None
"""

UpperCamelCase     =							"""
class {0}(metaclass=DummyObject):
    _backends = {1}

    def __init__(self, *args, **kwargs):
        requires_backends(self, {1})
"""


UpperCamelCase     =							"""
def {0}(*args, **kwargs):
    requires_backends({0}, {1})
"""






class       UpperCamelCase__			(   unittest.TestCase      ):

			"""simple docstring"""


			def   snake_case__	(      self		)      ->	Union[str, Any]:
				A__											=					find_backend("    _import_structure[\"models.albert\"].append(\"AlbertTokenizerFast\")"		)
				self.assertIsNone(SCREAMING_SNAKE_CASE__		)

				A__											=					find_backend("    if not is_tokenizers_available():"		)
				self.assertEqual(SCREAMING_SNAKE_CASE__						,	"tokenizers"		)

				A__											=					find_backend("    if not is_tensorflow_text_available():"		)
				self.assertEqual(SCREAMING_SNAKE_CASE__						,	"tensorflow_text"		)

				A__											=					find_backend("    if not (is_sentencepiece_available() and is_tokenizers_available()):"		)
				self.assertEqual(SCREAMING_SNAKE_CASE__						,	"sentencepiece_and_tokenizers"		)

				A__											=					find_backend(
				    "    if not (is_sentencepiece_available() and is_tensorflow_text_available()):"		)
				self.assertEqual(SCREAMING_SNAKE_CASE__						,	"sentencepiece_and_tensorflow_text"		)

				A__											=					find_backend(
				    "    if not (is_sentencepiece_available() and is_tokenizers_available() and is_vision_available()):"		)
				self.assertEqual(SCREAMING_SNAKE_CASE__						,	"sentencepiece_and_tokenizers_and_vision"		)


			def   snake_case__	(      self		)      ->	Tuple:
				A__											=					read_init()
				# We don't assert on the exact list of keys to allow for smooth grow of backend-specific objects
				self.assertIn("torch"						,	SCREAMING_SNAKE_CASE__		)
				self.assertIn("tensorflow_text"						,	SCREAMING_SNAKE_CASE__		)
				self.assertIn("sentencepiece_and_tokenizers"						,	SCREAMING_SNAKE_CASE__		)

				# Likewise, we can't assert on the exact content of a key
				self.assertIn("BertModel"						,	objects["torch"]		)
				self.assertIn("TFBertModel"						,	objects["tf"]		)
				self.assertIn("FlaxBertModel"						,	objects["flax"]		)
				self.assertIn("BertModel"						,	objects["torch"]		)
				self.assertIn("TFBertTokenizer"						,	objects["tensorflow_text"]		)
				self.assertIn("convert_slow_tokenizer"						,	objects["sentencepiece_and_tokenizers"]		)


			def   snake_case__	(      self		)      ->	str:
				A__											=					create_dummy_object("CONSTANT"						,	"'torch'"		)
				self.assertEqual(SCREAMING_SNAKE_CASE__						,	"\nCONSTANT = None\n"		)

				A__											=					create_dummy_object("function"						,	"'torch'"		)
				self.assertEqual(
				    SCREAMING_SNAKE_CASE__						,	"\ndef function(*args, **kwargs):\n    requires_backends(function, 'torch')\n"		)

				A__											=					"\nclass FakeClass(metaclass=DummyObject):\n    _backends = 'torch'\n\n    def __init__(self, *args, **kwargs):\n        requires_backends(self, 'torch')\n"
				A__											=					create_dummy_object("FakeClass"						,	"'torch'"		)
				self.assertEqual(SCREAMING_SNAKE_CASE__						,	SCREAMING_SNAKE_CASE__		)







			def   snake_case__	(      self		)      ->	List[Any]:
				A__											=					"# This file is autogenerated by the command `make fix-copies`, do not edit.\nfrom ..utils import DummyObject, requires_backends\n\n\nCONSTANT = None\n\n\ndef function(*args, **kwargs):\n    requires_backends(function, [\"torch\"])\n\n\nclass FakeClass(metaclass=DummyObject):\n    _backends = [\"torch\"]\n\n    def __init__(self, *args, **kwargs):\n        requires_backends(self, [\"torch\"])\n"
				A__											=					create_dummy_files({"torch": ["CONSTANT", "function", "FakeClass"]}		)
				self.assertEqual(dummy_files["torch"]						,	SCREAMING_SNAKE_CASE__		)









"""simple docstring"""







class       UpperCamelCase__			:

			"""simple docstring"""


			def __init__(      self						,	SCREAMING_SNAKE_CASE__ = ""						,	SCREAMING_SNAKE_CASE__ = False		)      ->	None:
				# Mapping from the first character of the prefix of the node
				A__											=					{}

				# A node will be a leaf if the tree contains its word
				A__											=					is_leaf

				A__											=					prefix


			def   snake_case__	(      self						,	SCREAMING_SNAKE_CASE__		)      ->	tuple[str, str, str]:
				A__											=					0
				for q, w in zip(self.prefix						,	SCREAMING_SNAKE_CASE__		):
					if q != w:
						break

					x += 1

				return self.prefix[:x], self.prefix[x:], word[x:]


			def   snake_case__	(      self						,	SCREAMING_SNAKE_CASE__		)      ->	None:
				for word in words:
					self.insert(SCREAMING_SNAKE_CASE__		)


			def   snake_case__	(      self						,	SCREAMING_SNAKE_CASE__		)      ->	None:
				# Case 1: If the word is the prefix of the node
				# Solution: We set the current node as leaf
				if self.prefix == word:
					A__											=					True

				# Case 2: The node has no edges that have a prefix to the word
				# Solution: We create an edge from the current node to a new one
				# containing the word
				elif word[0] not in self.nodes:
					A__											=					RadixNode(prefix=SCREAMING_SNAKE_CASE__						,	is_leaf=SCREAMING_SNAKE_CASE__		)

				else:
					A__											=					self.nodes[word[0]]
					A__							,							A__							,							A__											=					incoming_node.match(
					    SCREAMING_SNAKE_CASE__		)

					# Case 3: The node prefix is equal to the matching
					# Solution: We insert remaining word on the next node
					if remaining_prefix == "":
						self.nodes[matching_string[0]].insert(SCREAMING_SNAKE_CASE__		)

					# Case 4: The word is greater equal to the matching
					# Solution: Create a node in between both nodes, change
					# prefixes and add the new node for the remaining word
					else:
						A__											=					remaining_prefix

						A__											=					self.nodes[matching_string[0]]
						A__											=					RadixNode(SCREAMING_SNAKE_CASE__						,	SCREAMING_SNAKE_CASE__		)
						A__											=					aux_node

						if remaining_word == "":
							A__											=					True
						else:
							self.nodes[matching_string[0]].insert(SCREAMING_SNAKE_CASE__		)


			def   snake_case__	(      self						,	SCREAMING_SNAKE_CASE__		)      ->	bool:
				A__											=					self.nodes.get(word[0]						,	SCREAMING_SNAKE_CASE__		)
				if not incoming_node:
					return False
				else:
					A__							,							A__							,							A__											=					incoming_node.match(
					    SCREAMING_SNAKE_CASE__		)
					# If there is remaining prefix, the word can't be on the tree
					if remaining_prefix != "":
						return False
					# This applies when the word and the prefix are equal
					elif remaining_word == "":
						return incoming_node.is_leaf
					# We have word remaining so we check the next node
					else:
						return incoming_node.find(SCREAMING_SNAKE_CASE__		)


			def   snake_case__	(      self						,	SCREAMING_SNAKE_CASE__		)      ->	bool:
				A__											=					self.nodes.get(word[0]						,	SCREAMING_SNAKE_CASE__		)
				if not incoming_node:
					return False
				else:
					A__							,							A__							,							A__											=					incoming_node.match(
					    SCREAMING_SNAKE_CASE__		)
					# If there is remaining prefix, the word can't be on the tree
					if remaining_prefix != "":
						return False
					# We have word remaining so we check the next node
					elif remaining_word != "":
						return incoming_node.delete(SCREAMING_SNAKE_CASE__		)
					else:
						# If it is not a leaf, we don't have to delete
						if not incoming_node.is_leaf:
							return False
						else:
							# We delete the nodes if no edges go from it
							if len(incoming_node.nodes		) == 0:
								del self.nodes[word[0]]
								# We merge the current node with its only child
								if len(self.nodes		) == 1 and not self.is_leaf:
									A__											=					list(self.nodes.values()		)[0]
									A__											=					merging_node.is_leaf
									self.prefix += merging_node.prefix
									A__											=					merging_node.nodes
                    # If there is more than 1 edge, we just mark it as non-leaf
							elif len(incoming_node.nodes		) > 1:
								A__											=					False
							# If there is 1 edge, we merge it with its child
							else:
								A__											=					list(incoming_node.nodes.values()		)[0]
								A__											=					merging_node.is_leaf
								incoming_node.prefix += merging_node.prefix
								A__											=					merging_node.nodes

							return True







			def   snake_case__	(      self						,	SCREAMING_SNAKE_CASE__ = 0		)      ->	None:
				if self.prefix != "":
					print("-" * height						,	self.prefix						,	"  (leaf)" if self.is_leaf else ""		)

				for value in self.nodes.values():
					value.print_tree(height + 1		)



def       _lowerCamelCase				(							)	-> bool:






	"""simple docstring"""





	A__											=					"banana bananas bandana band apple all beast".split()
	A__											=					RadixNode()
	root.insert_many(UpperCAmelCase_     )

	assert all(root.find(UpperCAmelCase_     ) for word in words     )
	assert not root.find("bandanas"     )
	assert not root.find("apps"     )
	root.delete("all"     )
	assert not root.find("all"     )
	root.delete("banana"     )
	assert not root.find("banana"     )
	assert root.find("bananas"     )

	return True

def       _lowerCamelCase				(							)	-> None:






	"""simple docstring"""





	assert test_trie()

def       _lowerCamelCase				(							)	-> None:






	"""simple docstring"""





	A__											=					RadixNode()
	A__											=					"banana bananas bandanas bandana band apple all beast".split()
	root.insert_many(UpperCAmelCase_     )

	print("Words:",	UpperCAmelCase_     )
	print("Tree:"     )
	root.print_tree()


if __name__ == "__main__":
			main()




