





import argparse
import glob
import importlib.util
import os
import re

import black
from doc_builder.style_doc import style_docstrings_in_code


# All paths are set with the intent you should run this script from the root of the repo with the command
# python utils/check_copies.py
_lowerCamelCase 					=      'src/diffusers'
_lowerCamelCase 					=      '.'


# This is to make sure the diffusers module imported is the one in the repo.
_lowerCamelCase 					=      importlib.util.spec_from_file_location(
    'diffusers',
    os.path.join(DIFFUSERS_PATH, '__init__.py'),
    submodule_search_locations=[DIFFUSERS_PATH],
)
_lowerCamelCase 					=      spec.loader.load_module()






def 					SCREAMING_SNAKE_CASE__				(							UpperCamelCase__:				int       , UpperCamelCase__:				Optional[int]     ):
		return line.startswith(UpperCamelCase__     ) or len(UpperCamelCase__     ) <= 1 or re.search(R"""^\s*\)(\s*->.*:|:)\s*$"""       , UpperCamelCase__     ) is not None






def 					SCREAMING_SNAKE_CASE__				(							UpperCamelCase__:				Any     ):
		SCREAMING_SNAKE_CASE__								=   object_name.split("""."""     )
		SCREAMING_SNAKE_CASE__								=   0

		# First let's find the module where our object lives.
		SCREAMING_SNAKE_CASE__								=   parts[i]
		while i < len(UpperCamelCase__     ) and not os.path.isfile(os.path.join(UpperCamelCase__       , f'''{module}.py'''     )     ):
				i += 1
				if i < len(UpperCamelCase__     ):
						SCREAMING_SNAKE_CASE__								=   os.path.join(UpperCamelCase__       , parts[i]     )
		if i >= len(UpperCamelCase__     ):
				raise ValueError(f'''`object_name` should begin with the name of a module of diffusers but got {object_name}.'''     )

		with open(os.path.join(UpperCamelCase__       , f'''{module}.py'''     )       , """r"""       , encoding="""utf-8"""       , newline="""\n"""     ) as f:
				SCREAMING_SNAKE_CASE__								=   f.readlines()

		# Now let's find the class / func in the code!
		SCREAMING_SNAKE_CASE__								=   """"""
		SCREAMING_SNAKE_CASE__								=   0
		for name in parts[i + 1 :]:
				while (
				    line_index < len(UpperCamelCase__     ) and re.search(Rf'''^{indent}(class|def)\s+{name}(\(|\:)'''       , lines[line_index]     ) is None
				):
						line_index += 1
				indent += "    "
				line_index += 1

		if line_index >= len(UpperCamelCase__     ):
				raise ValueError(f''' {object_name} does not match any function or class in {module}.'''     )

		# We found the beginning of the class / func, now let's find the end (when the indent diminishes).
		SCREAMING_SNAKE_CASE__								=   line_index
		while line_index < len(UpperCamelCase__     ) and _should_continue(lines[line_index]       , UpperCamelCase__     ):
				line_index += 1
		# Clean up empty lines at the end (if any).
		while len(lines[line_index - 1]     ) <= 1:
				line_index -= 1

		SCREAMING_SNAKE_CASE__								=   lines[start_index:line_index]
		return "".join(UpperCamelCase__     )


_lowerCamelCase 					=      re.compile(R'^(\s*)#\s*Copied from\s+diffusers\.(\S+\.\S+)\s*($|\S.*$)')
_lowerCamelCase 					=      re.compile(R'^\s*(\S+)->(\S+)(\s+.*|$)')
_lowerCamelCase 					=      re.compile(R'<FILL\s+[^>]*>')






def 					SCREAMING_SNAKE_CASE__				(							UpperCamelCase__:				Dict     ):
		SCREAMING_SNAKE_CASE__								=   code.split("""\n"""     )
		SCREAMING_SNAKE_CASE__								=   0
		while idx < len(UpperCamelCase__     ) and len(lines[idx]     ) == 0:
				idx += 1
		if idx < len(UpperCamelCase__     ):
				return re.search(R"""^(\s*)\S"""       , lines[idx]     ).groups()[0]
		return ""






def 					SCREAMING_SNAKE_CASE__				(							UpperCamelCase__:				Any     ):
		SCREAMING_SNAKE_CASE__								=   len(get_indent(UpperCamelCase__     )     ) > 0
		if has_indent:
				SCREAMING_SNAKE_CASE__								=   f'''class Bla:\n{code}'''
		SCREAMING_SNAKE_CASE__								=   black.Mode(target_versions={black.TargetVersion.PYaa}       , line_length=119       , preview=UpperCamelCase__     )
		SCREAMING_SNAKE_CASE__								=   black.format_str(UpperCamelCase__       , mode=UpperCamelCase__     )
		SCREAMING_SNAKE_CASE__						,    SCREAMING_SNAKE_CASE__								=   style_docstrings_in_code(UpperCamelCase__     )
		return result[len("""class Bla:\n"""     ) :] if has_indent else result






def 					SCREAMING_SNAKE_CASE__				(							UpperCamelCase__:				Optional[Any]       , UpperCamelCase__:				str=False     ):
		with open(UpperCamelCase__       , """r"""       , encoding="""utf-8"""       , newline="""\n"""     ) as f:
				SCREAMING_SNAKE_CASE__								=   f.readlines()
		SCREAMING_SNAKE_CASE__								=   []
		SCREAMING_SNAKE_CASE__								=   0
		# Not a for loop cause `lines` is going to change (if `overwrite=True`).
		while line_index < len(UpperCamelCase__     ):
				SCREAMING_SNAKE_CASE__								=   _re_copy_warning.search(lines[line_index]     )
				if search is None:
						line_index += 1
						continue

				# There is some copied code here, let's retrieve the original.
				SCREAMING_SNAKE_CASE__						,    SCREAMING_SNAKE_CASE__						,    SCREAMING_SNAKE_CASE__								=   search.groups()
				SCREAMING_SNAKE_CASE__								=   find_code_in_diffusers(UpperCamelCase__     )
				SCREAMING_SNAKE_CASE__								=   get_indent(UpperCamelCase__     )

				SCREAMING_SNAKE_CASE__								=   line_index + 1 if indent == theoretical_indent else line_index + 2
				SCREAMING_SNAKE_CASE__								=   theoretical_indent
				SCREAMING_SNAKE_CASE__								=   start_index

				# Loop to check the observed code, stop when indentation diminishes or if we see a End copy comment.
				SCREAMING_SNAKE_CASE__								=   True
				while line_index < len(UpperCamelCase__     ) and should_continue:
						line_index += 1
						if line_index >= len(UpperCamelCase__     ):
								break
						SCREAMING_SNAKE_CASE__								=   lines[line_index]
						SCREAMING_SNAKE_CASE__								=   _should_continue(UpperCamelCase__       , UpperCamelCase__     ) and re.search(f'''^{indent}# End copy'''       , UpperCamelCase__     ) is None
				# Clean up empty lines at the end (if any).
				while len(lines[line_index - 1]     ) <= 1:
						line_index -= 1

				SCREAMING_SNAKE_CASE__								=   lines[start_index:line_index]
				SCREAMING_SNAKE_CASE__								=   """""".join(UpperCamelCase__     )

				# Remove any nested `Copied from` comments to avoid circular copies
				SCREAMING_SNAKE_CASE__								=   [line for line in theoretical_code.split("""\n"""     ) if _re_copy_warning.search(UpperCamelCase__     ) is None]
				SCREAMING_SNAKE_CASE__								=   """\n""".join(UpperCamelCase__     )

				# Before comparing, use the `replace_pattern` on the original code.
				if len(UpperCamelCase__     ) > 0:
						SCREAMING_SNAKE_CASE__								=   replace_pattern.replace("""with"""       , """"""     ).split(""","""     )
						SCREAMING_SNAKE_CASE__								=   [_re_replace_pattern.search(UpperCamelCase__     ) for p in patterns]
						for pattern in patterns:
								if pattern is None:
										continue
								SCREAMING_SNAKE_CASE__						,    SCREAMING_SNAKE_CASE__						,    SCREAMING_SNAKE_CASE__								=   pattern.groups()
								SCREAMING_SNAKE_CASE__								=   re.sub(UpperCamelCase__       , UpperCamelCase__       , UpperCamelCase__     )
								if option.strip() == "all-casing":
										SCREAMING_SNAKE_CASE__								=   re.sub(obja.lower()       , obja.lower()       , UpperCamelCase__     )
										SCREAMING_SNAKE_CASE__								=   re.sub(obja.upper()       , obja.upper()       , UpperCamelCase__     )

            # Blackify after replacement. To be able to do that, we need the header (class or function definition)
            # from the previous line
						SCREAMING_SNAKE_CASE__								=   blackify(lines[start_index - 1] + theoretical_code     )
						SCREAMING_SNAKE_CASE__								=   theoretical_code[len(lines[start_index - 1]     ) :]

				# Test for a diff and act accordingly.
				if observed_code != theoretical_code:
						diffs.append([object_name, start_index]     )
						if overwrite:
								SCREAMING_SNAKE_CASE__								=   lines[:start_index] + [theoretical_code] + lines[line_index:]
								SCREAMING_SNAKE_CASE__								=   start_index + 1

		if overwrite and len(UpperCamelCase__     ) > 0:
				# Warn the user a file has been modified.
				print(f'''Detected changes, rewriting {filename}.'''     )
				with open(UpperCamelCase__       , """w"""       , encoding="""utf-8"""       , newline="""\n"""     ) as f:
						f.writelines(UpperCamelCase__     )
		return diffs






def 					SCREAMING_SNAKE_CASE__				(							UpperCamelCase__:				bool = False     ):
		SCREAMING_SNAKE_CASE__								=   glob.glob(os.path.join(UpperCamelCase__       , """**/*.py"""     )       , recursive=UpperCamelCase__     )
		SCREAMING_SNAKE_CASE__								=   []
		for filename in all_files:
				SCREAMING_SNAKE_CASE__								=   is_copy_consistent(UpperCamelCase__       , UpperCamelCase__     )
				diffs += [f'''- {filename}: copy does not match {d[0]} at line {d[1]}''' for d in new_diffs]
		if not overwrite and len(UpperCamelCase__     ) > 0:
				SCREAMING_SNAKE_CASE__								=   """\n""".join(UpperCamelCase__     )
				raise Exception(
				    """Found the following copy inconsistencies:\n"""
				    + diff
				    + """\nRun `make fix-copies` or `python utils/check_copies.py --fix_and_overwrite` to fix them."""     )


if __name__ == "__main__":
	_lowerCamelCase 					=      argparse.ArgumentParser()
	parser.add_argument('--fix_and_overwrite', action='store_true', help='Whether to fix inconsistencies.')
	_lowerCamelCase 					=      parser.parse_args()

	check_copies(args.fix_and_overwrite)






def 					SCREAMING_SNAKE_CASE__				(							UpperCamelCase__:				float       , UpperCamelCase__:				float     ):
		if mass < 0:
				raise ValueError("""The mass of a body cannot be negative"""     )
		return 0.5 * mass * abs(UpperCamelCase__     ) * abs(UpperCamelCase__     )


if __name__ == "__main__":
	import doctest

	doctest.testmod(verbose=True)