




import argparse
import os
import re


UpperCAmelCase_						="""src/transformers/models/auto"""


# re pattern that matches mapping introductions:
#    SUPER_MODEL_MAPPING_NAMES = OrderedDict or SUPER_MODEL_MAPPING = OrderedDict
UpperCAmelCase_						=re.compile(R"""[A-Z_]+_MAPPING(\s+|_[A-Z_]+\s+)=\s+OrderedDict""")
# re pattern that matches identifiers in mappings
UpperCAmelCase_						=re.compile(R"""\s*\(\s*\"(\S[^\"]+)\"""")



def       UpperCAmelCase       (     _snake_case						, _snake_case = False							):
							with open(_snake_case						, '''r'''						, encoding='''utf-8'''							) as f:
														lowerCAmelCase   =		f.read()

							lowerCAmelCase   =		content.split('''\n'''							)
							lowerCAmelCase   =		[]
							lowerCAmelCase   =		0
							while line_idx < len(_snake_case							):
														if _re_intro_mapping.search(lines[line_idx]							) is not None:
																					lowerCAmelCase   =		len(re.search(R'''^(\s*)\S'''						, lines[line_idx]							).groups()[0]							) + 8
																					# Start of a new mapping!
																					while not lines[line_idx].startswith(''' ''' * indent + '''('''							):
																												new_lines.append(lines[line_idx]							)
																												line_idx += 1

																					lowerCAmelCase   =		[]
																					while lines[line_idx].strip() != "]":
																												# Blocks either fit in one line or not
																												if lines[line_idx].strip() == "(":
																																			lowerCAmelCase   =		line_idx
																																			while not lines[line_idx].startswith(''' ''' * indent + ''')'''							):
																																										line_idx += 1
																																			blocks.append('''\n'''.join(lines[start_idx : line_idx + 1]							)							)
																												else:
																																			blocks.append(lines[line_idx]							)
																												line_idx += 1

																					# Sort blocks by their identifiers
																					lowerCAmelCase   =		sorted(_snake_case						, key=lambda _snake_case							: _re_identifier.search(_snake_case							).groups()[0]							)
																					new_lines += blocks
														else:
																					new_lines.append(lines[line_idx]							)
																					line_idx += 1

							if overwrite:
														with open(_snake_case						, '''w'''						, encoding='''utf-8'''							) as f:
																					f.write('''\n'''.join(_snake_case							)							)
							elif "\n".join(_snake_case							) != content:
														return True



def       UpperCAmelCase       (     _snake_case = False							):
							lowerCAmelCase   =		[os.path.join(_snake_case						, _snake_case							) for f in os.listdir(_snake_case							) if f.endswith('''.py'''							)]
							lowerCAmelCase   =		[sort_auto_mapping(_snake_case						, overwrite=_snake_case							) for fname in fnames]

							if not overwrite and any(_snake_case							):
														lowerCAmelCase   =		[f for f, d in zip(_snake_case						, _snake_case							) if d]
														raise ValueError(
														    F"""The following files have auto mappings that need sorting: {", ".join(_snake_case							)}. Run `make style` to fix"""
														    ''' this.'''							)


if __name__ == "__main__":
		UpperCAmelCase_						=argparse.ArgumentParser()
		parser.add_argument("""--check_only""", action="""store_true""", help="""Whether to only check or fix style.""")
		UpperCAmelCase_						=parser.parse_args()

		sort_all_auto_mappings(not args.check_only)









from collections.abc import Sequence



def       UpperCAmelCase       (     _snake_case						, _snake_case = False							):
							if not arr:
														return 0

							lowerCAmelCase   =		0 if allow_empty_subarrays else float('''-inf'''							)
							lowerCAmelCase   =		0.0
							for num in arr:
														lowerCAmelCase   =		max(0 if allow_empty_subarrays else num						, curr_sum + num							)
														lowerCAmelCase   =		max(_snake_case						, _snake_case							)

							return max_sum


if __name__ == "__main__":
		from doctest import testmod

		testmod()

		UpperCAmelCase_						=[-2, 1, -3, 4, -1, 2, 1, -5, 4]
		print(F'''{max_subarray_sum(nums) = }''')



