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-rw-r--r--git/objects/tree.py66
1 files changed, 33 insertions, 33 deletions
diff --git a/git/objects/tree.py b/git/objects/tree.py
index d1e827f5..92b0feca 100644
--- a/git/objects/tree.py
+++ b/git/objects/tree.py
@@ -23,14 +23,14 @@ __all__ = ("TreeModifier", "Tree")
class TreeModifier(object):
"""A utility class providing methods to alter the underlying cache in a list-like fashion.
-
+
Once all adjustments are complete, the _cache, which really is a refernce to
the cache of a tree, will be sorted. Assuring it will be in a serializable state"""
__slots__ = '_cache'
-
+
def __init__(self, cache):
self._cache = cache
-
+
def _index_by_name(self, name):
""":return: index of an item with name, or -1 if not found"""
for i, t in enumerate(self._cache):
@@ -39,7 +39,7 @@ class TreeModifier(object):
# END found item
# END for each item in cache
return -1
-
+
#{ Interface
def set_done(self):
"""Call this method once you are done modifying the tree information.
@@ -49,14 +49,14 @@ class TreeModifier(object):
self._cache.sort(key=lambda t: t[2]) # sort by name
return self
#} END interface
-
+
#{ Mutators
def add(self, sha, mode, name, force=False):
"""Add the given item to the tree. If an item with the given name already
exists, nothing will be done, but a ValueError will be raised if the
sha and mode of the existing item do not match the one you add, unless
force is True
-
+
:param sha: The 20 or 40 byte sha of the item to add
:param mode: int representing the stat compatible mode of the item
:param force: If True, an item with your name and information will overwrite
@@ -66,7 +66,7 @@ class TreeModifier(object):
raise ValueError("Name must not contain '/' characters")
if (mode >> 12) not in Tree._map_id_to_type:
raise ValueError("Invalid object type according to mode %o" % mode)
-
+
sha = to_bin_sha(sha)
index = self._index_by_name(name)
item = (sha, mode, name)
@@ -83,52 +83,52 @@ class TreeModifier(object):
# END handle force
# END handle name exists
return self
-
+
def add_unchecked(self, binsha, mode, name):
"""Add the given item to the tree, its correctness is assumed, which
puts the caller into responsibility to assure the input is correct.
For more information on the parameters, see ``add``
:param binsha: 20 byte binary sha"""
self._cache.append((binsha, mode, name))
-
+
def __delitem__(self, name):
"""Deletes an item with the given name if it exists"""
index = self._index_by_name(name)
if index > -1:
del(self._cache[index])
-
+
#} END mutators
class Tree(IndexObject, diff.Diffable, util.Traversable, util.Serializable):
"""Tree objects represent an ordered list of Blobs and other Trees.
-
+
``Tree as a list``::
-
+
Access a specific blob using the
tree['filename'] notation.
-
+
You may as well access by index
blob = tree[0]
"""
-
+
type = "tree"
__slots__ = "_cache"
-
+
# actual integer ids for comparison
commit_id = 016 # equals stat.S_IFDIR | stat.S_IFLNK - a directory link
blob_id = 010
symlink_id = 012
tree_id = 004
-
+
_map_id_to_type = {
commit_id : Submodule,
blob_id : Blob,
symlink_id : Blob
# tree id added once Tree is defined
}
-
-
+
+
def __init__(self, repo, binsha, mode=tree_id<<12, path=None):
super(Tree, self).__init__(repo, binsha, mode, path)
@@ -161,7 +161,7 @@ class Tree(IndexObject, diff.Diffable, util.Traversable, util.Serializable):
def __div__(self, file):
"""Find the named object in this tree's contents
:return: ``git.Blob`` or ``git.Tree`` or ``git.Submodule``
-
+
:raise KeyError: if given file or tree does not exist in tree"""
msg = "Blob or Tree named %r not found"
if '/' in file:
@@ -195,7 +195,7 @@ class Tree(IndexObject, diff.Diffable, util.Traversable, util.Serializable):
def trees(self):
""":return: list(Tree, ...) list of trees directly below this tree"""
return [ i for i in self if i.type == "tree" ]
-
+
@property
def blobs(self):
""":return: list(Blob, ...) list of blobs directly below this tree"""
@@ -220,26 +220,26 @@ class Tree(IndexObject, diff.Diffable, util.Traversable, util.Serializable):
# List protocol
def __getslice__(self, i, j):
return list(self._iter_convert_to_object(self._cache[i:j]))
-
+
def __iter__(self):
return self._iter_convert_to_object(self._cache)
-
+
def __len__(self):
return len(self._cache)
-
+
def __getitem__(self, item):
if isinstance(item, int):
info = self._cache[item]
return self._map_id_to_type[info[1] >> 12](self.repo, info[0], info[1], join_path(self.path, info[2]))
-
+
if isinstance(item, basestring):
# compatability
return self.__div__(item)
# END index is basestring
-
+
raise TypeError( "Invalid index type: %r" % item )
-
-
+
+
def __contains__(self, item):
if isinstance(item, IndexObject):
for info in self._cache:
@@ -249,7 +249,7 @@ class Tree(IndexObject, diff.Diffable, util.Traversable, util.Serializable):
# END for each entry
# END handle item is index object
# compatability
-
+
# treat item as repo-relative path
path = self.path
for info in self._cache:
@@ -257,10 +257,10 @@ class Tree(IndexObject, diff.Diffable, util.Traversable, util.Serializable):
return True
# END for each item
return False
-
+
def __reversed__(self):
return reversed(self._iter_convert_to_object(self._cache))
-
+
def _serialize(self, stream):
"""Serialize this tree into the stream. Please note that we will assume
our tree data to be in a sorted state. If this is not the case, serialization
@@ -268,12 +268,12 @@ class Tree(IndexObject, diff.Diffable, util.Traversable, util.Serializable):
by algorithms"""
tree_to_stream(self._cache, stream.write)
return self
-
+
def _deserialize(self, stream):
self._cache = tree_entries_from_data(stream.read())
return self
-
-
+
+
# END tree
# finalize map definition