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# tree.py
# Copyright (C) 2008 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
import os
from lazy import LazyMixin
import blob
class Tree(LazyMixin):
def __init__(self, repo, **kwargs):
LazyMixin.__init__(self)
self.repo = repo
self.id = None
self.mode = None
self.name = None
self.contents = None
for k, v in kwargs.items():
setattr(self, k, v)
def __bake__(self):
temp = Tree.construct(self.repo, self.id)
self.contents = temp.contents
@classmethod
def construct(cls, repo, treeish, paths = []):
output = repo.git.ls_tree(treeish, *paths)
return Tree(repo, id=treeish).construct_initialize(repo, treeish, output)
def construct_initialize(self, repo, id, text):
self.repo = repo
self.id = id
self.contents = {}
self.__baked__ = False
for line in text.splitlines():
obj = self.content_from_string(self.repo, line)
if obj:
self.contents[obj.name] = obj
self.__bake_it__()
return self
def content_from_string(self, repo, text):
"""
Parse a content item and create the appropriate object
``repo``
is the Repo
``text``
is the single line containing the items data in `git ls-tree` format
Returns
``GitPython.Blob`` or ``GitPython.Tree``
"""
try:
mode, typ, id, name = text.expandtabs(1).split(" ", 4)
except:
return None
if typ == "tree":
return Tree(repo, id=id, mode=mode, name=name)
elif typ == "blob":
return blob.Blob(repo, id=id, mode=mode, name=name)
elif typ == "commit":
return None
else:
raise(TypeError, "Invalid type: %s" % typ)
def __div__(self, file):
"""
Find the named object in this tree's contents
Examples::
>>> Repo('/path/to/python-git').tree/'lib'
<GitPython.Tree "6cc23ee138be09ff8c28b07162720018b244e95e">
>>> Repo('/path/to/python-git').tree/'README.txt'
<GitPython.Blob "8b1e02c0fb554eed2ce2ef737a68bb369d7527df">
Returns
``GitPython.Blob`` or ``GitPython.Tree`` or ``None`` if not found
"""
return self.contents.get(file)
@property
def basename(self):
os.path.basename(self.name)
def __repr__(self):
return '<GitPython.Tree "%s">' % self.id
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