# blob.py
# Copyright (C) 2008, 2009 Michael Trier (mtrier@gmail.com) and contributors
#
# This module is part of GitPython and is released under
# the BSD License: http://www.opensource.org/licenses/bsd-license.php

from git.util import RepoAliasMixin
from mimetypes import guess_type
from git.typ import ObjectType

import base

__all__ = ('Blob', )

class Blob(base.IndexObject, RepoAliasMixin):
	"""A Blob encapsulates a git blob object"""
	DEFAULT_MIME_TYPE = "text/plain"
	type = ObjectType.blob
	type_id = ObjectType.blob_id
	
	# valid blob modes
	executable_mode = 0100755
	file_mode = 0100644
	link_mode = 0120000

	__slots__ = tuple()

	@property
	def mime_type(self):
		"""
		:return: String describing the mime type of this file (based on the filename)
		:note: Defaults to 'text/plain' in case the actual file type is unknown. """
		guesses = None
		if self.path:
			guesses = guess_type(self.path)
		return guesses and guesses[0] or self.DEFAULT_MIME_TYPE
