This file is indexed.

/usr/share/pyshared/git/objects/base.py is in python-git 0.3.2~RC1-1.

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The actual contents of the file can be viewed below.

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# base.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 LazyMixin, join_path_native, stream_copy
from util import get_object_type_by_name
from gitdb.util import (
							hex_to_bin,
							bin_to_hex,
							basename
						)

import gitdb.typ as dbtyp
	
_assertion_msg_format = "Created object %r whose python type %r disagrees with the acutal git object type %r"

__all__ = ("Object", "IndexObject")

class Object(LazyMixin):
	"""Implements an Object which may be Blobs, Trees, Commits and Tags"""
	NULL_HEX_SHA = '0'*40
	NULL_BIN_SHA = '\0'*20
	
	TYPES = (dbtyp.str_blob_type, dbtyp.str_tree_type, dbtyp.str_commit_type, dbtyp.str_tag_type)
	__slots__ = ("repo", "binsha", "size" )
	type = None			# to be set by subclass
	
	def __init__(self, repo, binsha):
		"""Initialize an object by identifying it by its binary sha. 
		All keyword arguments will be set on demand if None.
		
		:param repo: repository this object is located in
			
		:param binsha: 20 byte SHA1"""
		super(Object,self).__init__()
		self.repo = repo
		self.binsha = binsha
		assert len(binsha) == 20, "Require 20 byte binary sha, got %r, len = %i" % (binsha, len(binsha))

	@classmethod
	def new(cls, repo, id):
		"""
		:return: New Object instance of a type appropriate to the object type behind 
			id. The id of the newly created object will be a binsha even though 
			the input id may have been a Reference or Rev-Spec
			
		:param id: reference, rev-spec, or hexsha
			
		:note: This cannot be a __new__ method as it would always call __init__
			with the input id which is not necessarily a binsha."""
		return repo.rev_parse(str(id))
		
	@classmethod
	def new_from_sha(cls, repo, sha1):
		"""
		:return: new object instance of a type appropriate to represent the given 
			binary sha1
		:param sha1: 20 byte binary sha1"""
		if sha1 == cls.NULL_BIN_SHA:
			# the NULL binsha is always the root commit
			return get_object_type_by_name('commit')(repo, sha1)
		#END handle special case
		oinfo = repo.odb.info(sha1)
		inst = get_object_type_by_name(oinfo.type)(repo, oinfo.binsha)
		inst.size = oinfo.size
		return inst 
	
	def _set_cache_(self, attr):
		"""Retrieve object information"""
		if attr	 == "size":
			oinfo = self.repo.odb.info(self.binsha)
			self.size = oinfo.size
			# assert oinfo.type == self.type, _assertion_msg_format % (self.binsha, oinfo.type, self.type)
		else:
			super(Object,self)._set_cache_(attr)
		
	def __eq__(self, other):
		""":return: True if the objects have the same SHA1"""
		if not hasattr(other, 'binsha'):
			return False
		return self.binsha == other.binsha
		
	def __ne__(self, other):
		""":return: True if the objects do not have the same SHA1 """
		if not hasattr(other, 'binsha'):
			return True
		return self.binsha != other.binsha
		
	def __hash__(self):
		""":return: Hash of our id allowing objects to be used in dicts and sets"""
		return hash(self.binsha)
		
	def __str__(self):
		""":return: string of our SHA1 as understood by all git commands"""
		return bin_to_hex(self.binsha)
		
	def __repr__(self):
		""":return: string with pythonic representation of our object"""
		return '<git.%s "%s">' % (self.__class__.__name__, self.hexsha)

	@property
	def hexsha(self):
		""":return: 40 byte hex version of our 20 byte binary sha"""
		return bin_to_hex(self.binsha)

	@property
	def data_stream(self):
		""" :return:  File Object compatible stream to the uncompressed raw data of the object
		:note: returned streams must be read in order"""
		return self.repo.odb.stream(self.binsha)

	def stream_data(self, ostream):
		"""Writes our data directly to the given output stream
		:param ostream: File object compatible stream object.
		:return: self"""
		istream = self.repo.odb.stream(self.binsha)
		stream_copy(istream, ostream)
		return self
		

class IndexObject(Object):
	"""Base for all objects that can be part of the index file , namely Tree, Blob and
	SubModule objects"""
	__slots__ = ("path", "mode")
	
	# for compatability with iterable lists
	_id_attribute_ = 'path'
	
	def __init__(self, repo, binsha, mode=None, path=None):
		"""Initialize a newly instanced IndexObject
		:param repo: is the Repo we are located in
		:param binsha: 20 byte sha1
		:param mode: is the stat compatible file mode as int, use the stat module
			to evaluate the infomration
		:param path:
			is the path to the file in the file system, relative to the git repository root, i.e.
			file.ext or folder/other.ext
		:note:
			Path may not be set of the index object has been created directly as it cannot
			be retrieved without knowing the parent tree."""
		super(IndexObject, self).__init__(repo, binsha)
		if mode is not None:
			self.mode = mode
		if path is not None:
			self.path = path
	
	def __hash__(self):
		""":return:
			Hash of our path as index items are uniquely identifyable by path, not 
			by their data !"""
		return hash(self.path)
	
	def _set_cache_(self, attr):
		if attr in IndexObject.__slots__:
			# they cannot be retrieved lateron ( not without searching for them )
			raise AttributeError( "path and mode attributes must have been set during %s object creation" % type(self).__name__ )
		else:
			super(IndexObject, self)._set_cache_(attr)
		# END hanlde slot attribute
	
	@property
	def name(self):
		""":return: Name portion of the path, effectively being the basename"""
		return basename(self.path)
		
	@property
	def abspath(self):
		"""
		:return:
			Absolute path to this index object in the file system ( as opposed to the 
			.path field which is a path relative to the git repository ).
			
			The returned path will be native to the system and contains '\' on windows. """
		return join_path_native(self.repo.working_tree_dir, self.path)