

'''simple docstring'''



import importlib
import inspect
import json
import os
import re
import shutil
import sys
from pathlib import Path
from typing import Dict, Optional, Union
from urllib import request

from huggingface_hub import HfFolder, cached_download, hf_hub_download, model_info
from packaging import version

from .. import __version__
from . import DIFFUSERS_DYNAMIC_MODULE_NAME, HF_MODULES_CACHE, logging


UpperCAmelCase :       Dict			   =     (
    'https://raw.githubusercontent.com/huggingface/diffusers/{revision}/examples/community/{pipeline}.py'
)


UpperCAmelCase :       Optional[int]			   =     logging.get_logger(__name__)  # pylint: disable=invalid-name







def    a__       (  ):




     """simple docstring"""


     __SCREAMING_SNAKE_CASE     =      """https://pypi.org/pypi/diffusers/json"""
     __SCREAMING_SNAKE_CASE     =      json.loads(request.urlopen(a__						).read()						)["""releases"""].keys()
     return sorted(a__      ,    key=lambda a__						: version.Version(a__						)						)







def    a__       (  ):




     """simple docstring"""


     if HF_MODULES_CACHE in sys.path:
          return

     sys.path.append(a__						)
     os.makedirs(a__      ,    exist_ok=a__						)
     __SCREAMING_SNAKE_CASE     =      Path(a__						) / """__init__.py"""
     if not init_path.exists():
          init_path.touch()







def    a__       (  a__						):




     """simple docstring"""


     init_hf_modules()
     __SCREAMING_SNAKE_CASE     =      Path(a__						) / name
     # If the parent module does not exist yet, recursively create it.
     if not dynamic_module_path.parent.exists():
          create_dynamic_module(dynamic_module_path.parent						)
     os.makedirs(a__      ,    exist_ok=a__						)
     __SCREAMING_SNAKE_CASE     =      dynamic_module_path / """__init__.py"""
     if not init_path.exists():
          init_path.touch()







def    a__       (  a__						):




     """simple docstring"""


     with open(a__      ,    """r"""      ,    encoding="""utf-8"""						) as f:
          __SCREAMING_SNAKE_CASE     =      f.read()

     # Imports of the form `import .xxx`
     __SCREAMING_SNAKE_CASE     =      re.findall("""^\s*import\s+\.(\S+)\s*$"""      ,    a__      ,    flags=re.MULTILINE						)
     # Imports of the form `from .xxx import yyy`
     relative_imports += re.findall("""^\s*from\s+\.(\S+)\s+import"""      ,    a__      ,    flags=re.MULTILINE						)
     # Unique-ify
     return list(set(a__						)						)







def    a__       (  a__						):




     """simple docstring"""


     __SCREAMING_SNAKE_CASE     =      False
     __SCREAMING_SNAKE_CASE     =      [module_file]
     __SCREAMING_SNAKE_CASE     =      []

     # Let's recurse through all relative imports
     while not no_change:
          __SCREAMING_SNAKE_CASE     =      []
          for f in files_to_check:
               new_imports.extend(get_relative_imports(a__						)						)

          __SCREAMING_SNAKE_CASE     =      Path(a__						).parent
          __SCREAMING_SNAKE_CASE     =      [str(module_path / m						) for m in new_imports]
          __SCREAMING_SNAKE_CASE     =      [f for f in new_import_files if f not in all_relative_imports]
          __SCREAMING_SNAKE_CASE     =      [F'{f}.py' for f in new_import_files]

          __SCREAMING_SNAKE_CASE     =      len(a__						) == 0
          all_relative_imports.extend(a__						)

     return all_relative_imports







def    a__       (  a__						):




     """simple docstring"""


     with open(a__      ,    """r"""      ,    encoding="""utf-8"""						) as f:
          __SCREAMING_SNAKE_CASE     =      f.read()

     # Imports of the form `import xxx`
     __SCREAMING_SNAKE_CASE     =      re.findall("""^\s*import\s+(\S+)\s*$"""      ,    a__      ,    flags=re.MULTILINE						)
     # Imports of the form `from xxx import yyy`
     imports += re.findall("""^\s*from\s+(\S+)\s+import"""      ,    a__      ,    flags=re.MULTILINE						)
     # Only keep the top-level module
     __SCREAMING_SNAKE_CASE     =      [imp.split("""."""						)[0] for imp in imports if not imp.startswith("""."""						)]

     # Unique-ify and test we got them all
     __SCREAMING_SNAKE_CASE     =      list(set(a__						)						)
     __SCREAMING_SNAKE_CASE     =      []
     for imp in imports:
          try:
               importlib.import_module(a__						)
          except ImportError:
               missing_packages.append(a__						)

     if len(a__						) > 0:
          raise ImportError(
              """This modeling file requires the following packages that were not found in your environment: """
              F'{", ".join(a__						)}. Run `pip install {" ".join(a__						)}`'						)

     return get_relative_imports(a__						)







def    a__       (  a__      ,    a__						):




     """simple docstring"""


     __SCREAMING_SNAKE_CASE     =      module_path.replace(os.path.sep      ,    """."""						)
     __SCREAMING_SNAKE_CASE     =      importlib.import_module(a__						)

     if class_name is None:
          return find_pipeline_class(a__						)
     return getattr(a__      ,    a__						)







def    a__       (  a__						):




     """simple docstring"""


     from ..pipelines import DiffusionPipeline

     __SCREAMING_SNAKE_CASE     =      dict(inspect.getmembers(a__      ,    inspect.isclass						)						)

     __SCREAMING_SNAKE_CASE     =      None
     for cls_name, cls in cls_members.items():
          if (
              cls_name != DiffusionPipeline.__name__
              and issubclass(cls      ,    a__						)
              and cls.__module__.split("""."""						)[0] != "diffusers"
          ):
               if pipeline_class is not None:
                    raise ValueError(
                        F'Multiple classes that inherit from {DiffusionPipeline.__name__} have been found:'
                        F' {pipeline_class.__name__}, and {cls_name}. Please make sure to define only one in'
                        F' {loaded_module}.'						)
               __SCREAMING_SNAKE_CASE     =      cls

     return pipeline_class







def    a__       (  a__      ,    a__      ,    a__ = None      ,    a__ = False      ,    a__ = False      ,    a__ = None      ,    a__ = None      ,    a__ = None      ,    a__ = False      ,    ):




     """simple docstring"""


     __SCREAMING_SNAKE_CASE     =      str(a__						)

     __SCREAMING_SNAKE_CASE     =      os.path.join(a__      ,    a__						)

     if os.path.isfile(a__						):
          __SCREAMING_SNAKE_CASE     =      module_file_or_url
          __SCREAMING_SNAKE_CASE     =      """local"""
     elif pretrained_model_name_or_path.count("""/"""						) == 0:
          __SCREAMING_SNAKE_CASE     =      get_diffusers_versions()
          # cut ".dev0"
          __SCREAMING_SNAKE_CASE     =      """v""" + """.""".join(__version__.split("""."""						)[:3]						)

          # retrieve github version that matches
          if revision is None:
               __SCREAMING_SNAKE_CASE     =      latest_version if latest_version[1:] in available_versions else """main"""
               logger.info(F'Defaulting to latest_version: {revision}.'						)
          elif revision in available_versions:
               __SCREAMING_SNAKE_CASE     =      F'v{revision}'
          elif revision == "main":
               __SCREAMING_SNAKE_CASE     =      revision
          else:
               raise ValueError(
                   F'`custom_revision`: {revision} does not exist. Please make sure to choose one of'
                   F' {", ".join(available_versions + ["main"]						)}.'						)

          # community pipeline on GitHub
          __SCREAMING_SNAKE_CASE     =      COMMUNITY_PIPELINES_URL.format(revision=a__      ,    pipeline=a__						)
          try:
               __SCREAMING_SNAKE_CASE     =      cached_download(
                   a__      ,    cache_dir=a__      ,    force_download=a__      ,    proxies=a__      ,    resume_download=a__      ,    local_files_only=a__      ,    use_auth_token=a__      ,    )
               __SCREAMING_SNAKE_CASE     =      """git"""
               __SCREAMING_SNAKE_CASE     =      pretrained_model_name_or_path + """.py"""
          except EnvironmentError:
               logger.error(F'Could not locate the {module_file} inside {pretrained_model_name_or_path}.'						)
               raise
     else:
          try:
               # Load from URL or cache if already cached
               __SCREAMING_SNAKE_CASE     =      hf_hub_download(
                   a__      ,    a__      ,    cache_dir=a__      ,    force_download=a__      ,    proxies=a__      ,    resume_download=a__      ,    local_files_only=a__      ,    use_auth_token=a__      ,    )
               __SCREAMING_SNAKE_CASE     =      os.path.join("""local"""      ,    """--""".join(pretrained_model_name_or_path.split("""/"""						)						)						)
          except EnvironmentError:
               logger.error(F'Could not locate the {module_file} inside {pretrained_model_name_or_path}.'						)
               raise

    # Check we have all the requirements in our environment
     __SCREAMING_SNAKE_CASE     =      check_imports(a__						)

     # Now we move the module inside our cached dynamic modules.
     __SCREAMING_SNAKE_CASE     =      DIFFUSERS_DYNAMIC_MODULE_NAME + os.path.sep + submodule
     create_dynamic_module(a__						)
     __SCREAMING_SNAKE_CASE     =      Path(a__						) / full_submodule
     if submodule == "local" or submodule == "git":
          # We always copy local files (we could hash the file to see if there was a change, and give them the name of
          # that hash, to only copy when there is a modification but it seems overkill for now).
          # The only reason we do the copy is to avoid putting too many folders in sys.path.
          shutil.copy(a__      ,    submodule_path / module_file						)
          for module_needed in modules_needed:
               __SCREAMING_SNAKE_CASE     =      F'{module_needed}.py'
               shutil.copy(os.path.join(a__      ,    a__						)      ,    submodule_path / module_needed						)
     else:
          # Get the commit hash
          # TODO: we will get this info in the etag soon, so retrieve it from there and not here.
          if isinstance(a__      ,    a__						):
               __SCREAMING_SNAKE_CASE     =      use_auth_token
          elif use_auth_token is True:
               __SCREAMING_SNAKE_CASE     =      HfFolder.get_token()
          else:
               __SCREAMING_SNAKE_CASE     =      None

          __SCREAMING_SNAKE_CASE     =      model_info(a__      ,    revision=a__      ,    token=a__						).sha

          # The module file will end up being placed in a subfolder with the git hash of the repo. This way we get the
          # benefit of versioning.
          __SCREAMING_SNAKE_CASE     =      submodule_path / commit_hash
          __SCREAMING_SNAKE_CASE     =      full_submodule + os.path.sep + commit_hash
          create_dynamic_module(a__						)

          if not (submodule_path / module_file).exists():
               shutil.copy(a__      ,    submodule_path / module_file						)
          # Make sure we also have every file with relative
          for module_needed in modules_needed:
               if not (submodule_path / module_needed).exists():
                    get_cached_module_file(
                        a__      ,    F'{module_needed}.py'      ,    cache_dir=a__      ,    force_download=a__      ,    resume_download=a__      ,    proxies=a__      ,    use_auth_token=a__      ,    revision=a__      ,    local_files_only=a__      ,    )
     return os.path.join(a__      ,    a__						)







def    a__       (  a__      ,    a__      ,    a__ = None      ,    a__ = None      ,    a__ = False      ,    a__ = False      ,    a__ = None      ,    a__ = None      ,    a__ = None      ,    a__ = False      ,    **a__      ,    ):




     """simple docstring"""


     __SCREAMING_SNAKE_CASE     =      get_cached_module_file(
         a__      ,    a__      ,    cache_dir=a__      ,    force_download=a__      ,    resume_download=a__      ,    proxies=a__      ,    use_auth_token=a__      ,    revision=a__      ,    local_files_only=a__      ,    )
     return get_class_in_module(a__      ,    final_module.replace(""".py"""      ,    """"""						)						)









'''simple docstring'''



def    a__       (  a__      ,    a__						):




     """simple docstring"""


     _enforce_args(a__      ,    a__						)
     if n == 0:
          return 0
     __SCREAMING_SNAKE_CASE     =      float("""-inf"""						)
     for i in range(1      ,    n + 1						):
          __SCREAMING_SNAKE_CASE     =      max(
              a__      ,    prices[i - 1] + naive_cut_rod_recursive(n - i      ,    a__						)						)

     return max_revue







def    a__       (  a__      ,    a__						):




     """simple docstring"""


     _enforce_args(a__      ,    a__						)
     __SCREAMING_SNAKE_CASE     =      [float("""-inf"""						) for _ in range(n + 1						)]
     return _top_down_cut_rod_recursive(a__      ,    a__      ,    a__						)







def    a__       (  a__      ,    a__      ,    a__						):




     """simple docstring"""


     if max_rev[n] >= 0:
          return max_rev[n]
     elif n == 0:
          return 0
     else:
          __SCREAMING_SNAKE_CASE     =      float("""-inf"""						)
          for i in range(1      ,    n + 1						):
               __SCREAMING_SNAKE_CASE     =      max(
                   a__      ,    prices[i - 1] + _top_down_cut_rod_recursive(n - i      ,    a__      ,    a__						)      ,    )

          __SCREAMING_SNAKE_CASE     =      max_revenue

     return max_rev[n]







def    a__       (  a__      ,    a__						):




     """simple docstring"""


     _enforce_args(a__      ,    a__						)

     # length(max_rev) = n + 1, to accommodate for the revenue obtainable from a rod of
     # length 0.
     __SCREAMING_SNAKE_CASE     =      [float("""-inf"""						) for _ in range(n + 1						)]
     __SCREAMING_SNAKE_CASE     =      0

     for i in range(1      ,    n + 1						):
          __SCREAMING_SNAKE_CASE     =      max_rev[i]
          for j in range(1      ,    i + 1						):
               __SCREAMING_SNAKE_CASE     =      max(a__      ,    prices[j - 1] + max_rev[i - j]						)

          __SCREAMING_SNAKE_CASE     =      max_revenue_i

     return max_rev[n]







def    a__       (  a__      ,    a__						):




     """simple docstring"""


     if n < 0:
          __SCREAMING_SNAKE_CASE     =      F'n must be greater than or equal to 0. Got n = {n}'
          raise ValueError(a__						)

     if n > len(a__						):
          __SCREAMING_SNAKE_CASE     =      (
              """Each integral piece of rod must have a corresponding price. """
              F'Got n = {n} but length of prices = {len(a__						)}'
          )
          raise ValueError(a__						)







def    a__       (  ):




     """simple docstring"""


     __SCREAMING_SNAKE_CASE     =      [6, 10, 12, 15, 20, 23]
     __SCREAMING_SNAKE_CASE     =      len(a__						)

     # the best revenue comes from cutting the rod into 6 pieces, each
     # of length 1 resulting in a revenue of 6 * 6 = 36.
     __SCREAMING_SNAKE_CASE     =      36

     __SCREAMING_SNAKE_CASE     =      top_down_cut_rod(a__      ,    a__						)
     __SCREAMING_SNAKE_CASE     =      bottom_up_cut_rod(a__      ,    a__						)
     __SCREAMING_SNAKE_CASE     =      naive_cut_rod_recursive(a__      ,    a__						)

     assert expected_max_revenue == max_rev_top_down
     assert max_rev_top_down == max_rev_bottom_up
     assert max_rev_bottom_up == max_rev_naive


if __name__ == "__main__":
  main()






