
'''simple docstring'''
import json
import os
import tempfile
import unittest
import unittest.mock as mock
from pathlib import Path

from requests.exceptions import HTTPError

from transformers.utils import (
    CONFIG_NAME,
    FLAX_WEIGHTS_NAME,
    TF2_WEIGHTS_NAME,
    TRANSFORMERS_CACHE,
    WEIGHTS_NAME,
    cached_file,
    get_file_from_repo,
    has_file,
)


lowercase__											='hf-internal-testing/tiny-random-bert'
lowercase__											=os.path.join(TRANSFORMERS_CACHE, 'models--hf-internal-testing--tiny-random-bert')
lowercase__											='9b8c223d42b2188cb49d29af482996f9d0f3e5a6'







class   a_ (      unittest.TestCase					):




			def 					lowerCAmelCase__					(       self	):
				a_      				=						cached_file(UpperCAmelCase					,   UpperCAmelCase	)
				# Should have downloaded the file in here
				self.assertTrue(os.path.isdir(UpperCAmelCase	)	)
				# Cache should contain at least those three subfolders:
				for subfolder in ["blobs", "refs", "snapshots"]:
					self.assertTrue(os.path.isdir(os.path.join(UpperCAmelCase					,   UpperCAmelCase	)	)	)
				with open(os.path.join(UpperCAmelCase					,   """refs"""					,   """main"""	)	) as f:
					a_      				=						f.read()
				self.assertEqual(UpperCAmelCase					,   os.path.join(UpperCAmelCase					,   """snapshots"""					,   UpperCAmelCase					,   UpperCAmelCase	)	)
				self.assertTrue(os.path.isfile(UpperCAmelCase	)	)

				# File is cached at the same place the second time.
				a_      				=						cached_file(UpperCAmelCase					,   UpperCAmelCase	)
				self.assertEqual(UpperCAmelCase					,   UpperCAmelCase	)

				# Using a specific revision to test the full commit hash.
				a_      				=						cached_file(UpperCAmelCase					,   UpperCAmelCase					,   revision="""9b8c223"""	)
				self.assertEqual(UpperCAmelCase					,   os.path.join(UpperCAmelCase					,   """snapshots"""					,   UpperCAmelCase					,   UpperCAmelCase	)	)




			def 					lowerCAmelCase__					(       self	):
				with self.assertRaisesRegex(UpperCAmelCase					,   """is not a valid model identifier"""	):
					a_      				=						cached_file("""tiny-random-bert"""					,   UpperCAmelCase	)

				with self.assertRaisesRegex(UpperCAmelCase					,   """is not a valid git identifier"""	):
					a_      				=						cached_file(UpperCAmelCase					,   UpperCAmelCase					,   revision="""aaaa"""	)

				with self.assertRaisesRegex(UpperCAmelCase					,   """does not appear to have a file named"""	):
					a_      				=						cached_file(UpperCAmelCase					,   """conf"""	)




			def 					lowerCAmelCase__					(       self	):
				with self.assertRaisesRegex(UpperCAmelCase					,   """does not appear to have a file named"""	):
					a_      				=						cached_file(UpperCAmelCase					,   """conf"""	)

				with open(os.path.join(UpperCAmelCase					,   """refs"""					,   """main"""	)	) as f:
					a_      				=						f.read()
				self.assertTrue(os.path.isfile(os.path.join(UpperCAmelCase					,   """.no_exist"""					,   UpperCAmelCase					,   """conf"""	)	)	)

				a_      				=						cached_file(UpperCAmelCase					,   """conf"""					,   _raise_exceptions_for_missing_entries=UpperCAmelCase	)
				self.assertIsNone(UpperCAmelCase	)

				a_      				=						cached_file(UpperCAmelCase					,   """conf"""					,   local_files_only=UpperCAmelCase					,   _raise_exceptions_for_missing_entries=UpperCAmelCase	)
				self.assertIsNone(UpperCAmelCase	)

				a_      				=						mock.Mock()
				a_      				=						5_00
				a_      				=						{}
				a_      				=						HTTPError
				a_      				=						{}

				# Under the mock environment we get a 500 error when trying to reach the tokenizer.
				with mock.patch("""requests.Session.request"""					,   return_value=UpperCAmelCase	) as mock_head:
					a_      				=						cached_file(UpperCAmelCase					,   """conf"""					,   _raise_exceptions_for_connection_errors=UpperCAmelCase	)
					self.assertIsNone(UpperCAmelCase	)
					# This check we did call the fake head request
					mock_head.assert_called()




			def 					lowerCAmelCase__					(       self	):
				self.assertTrue(has_file("""hf-internal-testing/tiny-bert-pt-only"""					,   UpperCAmelCase	)	)
				self.assertFalse(has_file("""hf-internal-testing/tiny-bert-pt-only"""					,   UpperCAmelCase	)	)
				self.assertFalse(has_file("""hf-internal-testing/tiny-bert-pt-only"""					,   UpperCAmelCase	)	)




			def 					lowerCAmelCase__					(       self	):
				# `get_file_from_repo` returns None if the file does not exist
				self.assertIsNone(get_file_from_repo("""bert-base-cased"""					,   """ahah.txt"""	)	)

				# The function raises if the repository does not exist.
				with self.assertRaisesRegex(UpperCAmelCase					,   """is not a valid model identifier"""	):
					get_file_from_repo("""bert-base-case"""					,   UpperCAmelCase	)

				# The function raises if the revision does not exist.
				with self.assertRaisesRegex(UpperCAmelCase					,   """is not a valid git identifier"""	):
					get_file_from_repo("""bert-base-cased"""					,   UpperCAmelCase					,   revision="""ahaha"""	)

				a_      				=						get_file_from_repo("""bert-base-cased"""					,   UpperCAmelCase	)
				# The name is the cached name which is not very easy to test, so instead we load the content.
				a_      				=						json.loads(open(UpperCAmelCase					,   """r"""	).read()	)
				self.assertEqual(config["""hidden_size"""]					,   7_68	)






			def 					lowerCAmelCase__					(       self	):
				with tempfile.TemporaryDirectory() as tmp_dir:
					a_      				=						Path(UpperCAmelCase	) / """a.txt"""
					filename.touch()
					self.assertEqual(get_file_from_repo(UpperCAmelCase					,   """a.txt"""	)					,   str(UpperCAmelCase	)	)

					self.assertIsNone(get_file_from_repo(UpperCAmelCase					,   """b.txt"""	)	)


'''simple docstring'''
def      UpperCamelCase_				(      A__  ,      A__  ,      A__						):
	if len(A__						) != len(A__						):
		raise ValueError("""The length of profit and weight must be same."""						)
	if max_weight <= 0:
		raise ValueError("""max_weight must greater than zero."""						)
	if any(p < 0 for p in profit						):
		raise ValueError("""Profit can not be negative."""						)
	if any(w < 0 for w in weight						):
		raise ValueError("""Weight can not be negative."""						)

	# List created to store profit gained for the 1kg in case of each weight
	# respectively.  Calculate and append profit/weight for each element.
	a_      				=						[p / w for p, w in zip(A__  ,      A__						)]

	# Creating a copy of the list and sorting profit/weight in ascending order
	a_      				=						sorted(A__						)

	# declaring useful variables
	a_      				=						len(A__						)
	a_      				=						0
	a_      				=						0
	a_      				=						0

	# loop till the total weight do not reach max limit e.g. 15 kg and till i<length
	while limit <= max_weight and i < length:
		# flag value for encountered greatest element in sorted_profit_by_weight
		a_      				=						sorted_profit_by_weight[length - i - 1]
		a_      				=						profit_by_weight.index(A__						)
		a_      				=						-1

		# check if the weight encountered is less than the total weight
		# encountered before.
		if max_weight - limit >= weight[index]:
			limit += weight[index]
			# Adding profit gained for the given weight 1 ===
			# weight[index]/weight[index]
			gain += 1 * profit[index]
		else:
			# Since the weight encountered is greater than limit, therefore take the
			# required number of remaining kgs and calculate profit for it.
			# weight remaining / weight[index]
			gain += (max_weight - limit) / weight[index] * profit[index]
			break
		i += 1
	return gain


if __name__ == "__main__":
		print(
		    'Input profits, weights, and then max_weight (all positive ints) separated by '
		    'spaces.'
		)

		lowercase__											=[int(x) for x in input('Input profits separated by spaces: ').split()]
		lowercase__											=[int(x) for x in input('Input weights separated by spaces: ').split()]
		lowercase__											=int(input('Max weight allowed: '))

		# Function Call
		calc_profit(profit, weight, max_weight)
