swh-hashtree
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swh-hashtree
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	#!/usr/bin/env python3

	# Use sample:
	# swh-hashtree --path . --ignore '.svn' --ignore '.git-svn' \
	# --ignore-empty-folders
	# 38f8d2c3a951f6b94007896d0981077e48bbd702

	import os

	import click

	from swh.model import from_disk, hashutil


	def combine_filters(*filters):
	"""Combine several ignore filters"""
	if len(filters) == 0:
	return from_disk.accept_all_directories
	elif len(filters) == 1:
	return filters[0]

	def combined_filter(args, *kwargs):
	return all(filter(args, *kwargs) for filter in filters)

	return combined_filter


	@click.command()
	@click.option("--path", default=".", help="Optional path to hash.")
	@click.option(
	"--ignore-empty-folder", is_flag=True, default=False, help="Ignore empty folder."
	)
	@click.option("--ignore", multiple=True, help="Ignore pattern.")
	def main(path, ignore_empty_folder=False, ignore=None):

	filters = []
	if ignore_empty_folder:
	filters.append(from_disk.ignore_empty_directories)
	if ignore:
	filters.append(
	from_disk.ignore_named_directories([os.fsencode(name) for name in ignore])
	)

	try:
	d = from_disk.Directory.from_disk(
	path=os.fsencode(path), dir_filter=combine_filters(*filters)
	)
	hash = d.hash
	except Exception as e:
	print(e)
	return
	else:
	print(hashutil.hash_to_hex(hash))


	if __name__ == "__main__":
	main()