
'''simple docstring'''




def 		lowerCAmelCase_				(   snake_case__		,				snake_case__						):




    '''simple docstring'''



    if discount_rate < 0:
        raise ValueError('''Discount rate cannot be negative'''						)
    if not cash_flows:
        raise ValueError('''Cash flows list cannot be empty'''						)
    A       :   List[Any]					=						sum(
        cash_flow / ((1 + discount_rate) ** i) for i, cash_flow in enumerate(snake_case__						)						)
    return round(snake_case__		,				ndigits=2						)


if __name__ == "__main__":
      import doctest

      doctest.testmod()












"""simple docstring"""






import copy
import tempfile
import unittest

from huggingface_hub import HfFolder, delete_repo
from parameterized import parameterized
from requests.exceptions import HTTPError

from transformers import AutoConfig, GenerationConfig
from transformers.testing_utils import TOKEN, USER, is_staging_test




class 							lowerCAmelCase__				(			unittest.TestCase ):






      '''simple docstring'''

      @parameterized.expand([(None,), ('''foo.json''',)])
      def _SCREAMING_SNAKE_CASE (						self     :  Dict						,	lowercase_     :  Union[str, Any]):




          '''simple docstring'''


          SCREAMING_SNAKE_CASE_      :  List[str]    						=		GenerationConfig(
              do_sample=lowercase_						,	temperature=0.7						,	length_penalty=1.0						,	bad_words_ids=[[1, 2, 3], [4, 5]]						,	)
          with tempfile.TemporaryDirectory() as tmp_dir:
              config.save_pretrained(lowercase_						,	config_name=lowercase_)
              SCREAMING_SNAKE_CASE_      :  Tuple    						=		GenerationConfig.from_pretrained(lowercase_						,	config_name=lowercase_)

          # Checks parameters that were specified
          self.assertEqual(loaded_config.do_sample						,	lowercase_)
          self.assertEqual(loaded_config.temperature						,	0.7)
          self.assertEqual(loaded_config.length_penalty						,	1.0)
          self.assertEqual(loaded_config.bad_words_ids						,	[[1, 2, 3], [4, 5]])

          # Checks parameters that were not specified (defaults)
          self.assertEqual(loaded_config.top_k						,	50)
          self.assertEqual(loaded_config.max_length						,	20)
          self.assertEqual(loaded_config.max_time						,	lowercase_)
      def _SCREAMING_SNAKE_CASE (						self     :  Optional[Any]):




          '''simple docstring'''


          SCREAMING_SNAKE_CASE_      :  Optional[Any]    						=		AutoConfig.from_pretrained('''gpt2''')
          SCREAMING_SNAKE_CASE_      :  int    						=		GenerationConfig.from_model_config(lowercase_)
          SCREAMING_SNAKE_CASE_      :  int    						=		GenerationConfig()

          # The generation config has loaded a few non-default parameters from the model config
          self.assertNotEqual(lowercase_						,	lowercase_)

          # One of those parameters is eos_token_id -- check if it matches
          self.assertNotEqual(generation_config_from_model.eos_token_id						,	default_generation_config.eos_token_id)
          self.assertEqual(generation_config_from_model.eos_token_id						,	model_config.eos_token_id)
      def _SCREAMING_SNAKE_CASE (						self     :  Dict):




          '''simple docstring'''


          SCREAMING_SNAKE_CASE_      :  str    						=		GenerationConfig()
          SCREAMING_SNAKE_CASE_      :  Any    						=		{
              '''max_new_tokens''': 1024,
              '''foo''': '''bar''',
          }
          SCREAMING_SNAKE_CASE_      :  str    						=		copy.deepcopy(lowercase_)
          SCREAMING_SNAKE_CASE_      :  Tuple    						=		generation_config.update(**lowercase_)

          # update_kwargs was not modified (no side effects)
          self.assertEqual(lowercase_						,	lowercase_)

          # update_kwargs was used to update the config on valid attributes
          self.assertEqual(generation_config.max_new_tokens						,	1024)

          # `.update()` returns a dictionary of unused kwargs
          self.assertEqual(lowercase_						,	{'''foo''': '''bar'''})
      def _SCREAMING_SNAKE_CASE (						self     :  Any):




          '''simple docstring'''


          SCREAMING_SNAKE_CASE_      :  Optional[Any]    						=		GenerationConfig()
          SCREAMING_SNAKE_CASE_      :  List[str]    						=		'''bar'''

          with tempfile.TemporaryDirectory('''test-generation-config''') as tmp_dir:
              generation_config.save_pretrained(lowercase_)

              SCREAMING_SNAKE_CASE_      :  List[Any]    						=		GenerationConfig.from_pretrained(lowercase_)
          # update_kwargs was used to update the config on valid attributes
          self.assertEqual(new_config.foo						,	'''bar''')

          SCREAMING_SNAKE_CASE_      :  Optional[Any]    						=		GenerationConfig.from_model_config(lowercase_)
          assert not hasattr(lowercase_						,	'''foo''')  # no new kwargs should be initialized if from config



      def _SCREAMING_SNAKE_CASE (						self     :  Tuple):




          '''simple docstring'''


          SCREAMING_SNAKE_CASE_      :  Tuple    						=		GenerationConfig()
          self.assertEqual(default_config.temperature						,	1.0)
          self.assertEqual(default_config.do_sample						,	lowercase_)
          self.assertEqual(default_config.num_beams						,	1)

          SCREAMING_SNAKE_CASE_      :  Dict    						=		GenerationConfig(
              do_sample=lowercase_						,	temperature=0.7						,	length_penalty=1.0						,	bad_words_ids=[[1, 2, 3], [4, 5]]						,	)
          self.assertEqual(config.temperature						,	0.7)
          self.assertEqual(config.do_sample						,	lowercase_)
          self.assertEqual(config.num_beams						,	1)

          with tempfile.TemporaryDirectory() as tmp_dir:
              config.save_pretrained(lowercase_)
              SCREAMING_SNAKE_CASE_      :  Tuple    						=		GenerationConfig.from_pretrained(lowercase_						,	temperature=1.0)

          self.assertEqual(loaded_config.temperature						,	1.0)
          self.assertEqual(loaded_config.do_sample						,	lowercase_)
          self.assertEqual(loaded_config.num_beams						,	1)  # default value




@is_staging_test
class 							lowerCAmelCase__				(			unittest.TestCase ):






      '''simple docstring'''

      @classmethod
      def _SCREAMING_SNAKE_CASE (						cls     :  Any):




          '''simple docstring'''


          SCREAMING_SNAKE_CASE_      :  str    						=		TOKEN
          HfFolder.save_token(lowercase_)
      @classmethod
      def _SCREAMING_SNAKE_CASE (						cls     :  List[str]):




          '''simple docstring'''


          try:
              delete_repo(token=cls._token						,	repo_id='''test-generation-config''')
          except HTTPError:
              pass

          try:
              delete_repo(token=cls._token						,	repo_id='''valid_org/test-generation-config-org''')
          except HTTPError:
              pass
      def _SCREAMING_SNAKE_CASE (						self     :  Dict):




          '''simple docstring'''


          SCREAMING_SNAKE_CASE_      :  Tuple    						=		GenerationConfig(
              do_sample=lowercase_						,	temperature=0.7						,	length_penalty=1.0						,	)
          config.push_to_hub('''test-generation-config'''						,	use_auth_token=self._token)

          SCREAMING_SNAKE_CASE_      :  int    						=		GenerationConfig.from_pretrained(F'{USER}/test-generation-config')
          for k, v in config.to_dict().items():
              if k != "transformers_version":
                  self.assertEqual(lowercase_						,	getattr(lowercase_						,	lowercase_))

        # Reset repo
          delete_repo(token=self._token						,	repo_id='''test-generation-config''')

          # Push to hub via save_pretrained
          with tempfile.TemporaryDirectory() as tmp_dir:
              config.save_pretrained(
                  lowercase_						,	repo_id='''test-generation-config'''						,	push_to_hub=lowercase_						,	use_auth_token=self._token)

          SCREAMING_SNAKE_CASE_      :  Optional[int]    						=		GenerationConfig.from_pretrained(F'{USER}/test-generation-config')
          for k, v in config.to_dict().items():
              if k != "transformers_version":
                  self.assertEqual(lowercase_						,	getattr(lowercase_						,	lowercase_))



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




          '''simple docstring'''


          SCREAMING_SNAKE_CASE_      :  Dict    						=		GenerationConfig(
              do_sample=lowercase_						,	temperature=0.7						,	length_penalty=1.0						,	)
          config.push_to_hub('''valid_org/test-generation-config-org'''						,	use_auth_token=self._token)

          SCREAMING_SNAKE_CASE_      :  Any    						=		GenerationConfig.from_pretrained('''valid_org/test-generation-config-org''')
          for k, v in config.to_dict().items():
              if k != "transformers_version":
                  self.assertEqual(lowercase_						,	getattr(lowercase_						,	lowercase_))

        # Reset repo
          delete_repo(token=self._token						,	repo_id='''valid_org/test-generation-config-org''')

          # Push to hub via save_pretrained
          with tempfile.TemporaryDirectory() as tmp_dir:
              config.save_pretrained(
                  lowercase_						,	repo_id='''valid_org/test-generation-config-org'''						,	push_to_hub=lowercase_						,	use_auth_token=self._token)

          SCREAMING_SNAKE_CASE_      :  Any    						=		GenerationConfig.from_pretrained('''valid_org/test-generation-config-org''')
          for k, v in config.to_dict().items():
              if k != "transformers_version":
                  self.assertEqual(lowercase_						,	getattr(lowercase_						,	lowercase_))


