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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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# TODO: Don't allow WorkingTrees to be constructed for remote branches.
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# FIXME: I don't know if writing out the cache from the destructor is really a
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# good idea, because destructors are considered poor taste in Python, and
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# it's not predictable when it will be written out.
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from bzrlib.osutils import appendpath, file_kind, isdir, splitpath
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from bzrlib.errors import BzrCheckError
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from bzrlib.trace import mutter
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from errors import BzrCheckError
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from trace import mutter
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class WorkingTree(bzrlib.tree.Tree):
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"""Working copy tree.
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It is possible for a `WorkingTree` to have a filename which is
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not listed in the Inventory and vice versa.
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def __init__(self, basedir, inv):
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from bzrlib.hashcache import HashCache
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from bzrlib.trace import note, mutter
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self._inventory = inv
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self.basedir = basedir
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self.path2id = inv.path2id
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# update the whole cache up front and write to disk if anything changed;
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# in the future we might want to do this more selectively
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hc = self._hashcache = HashCache(basedir)
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if self._hashcache.needs_write:
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self._hashcache.write()
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def __iter__(self):
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"""Iterate through file_ids for this tree.
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file_ids are in a WorkingTree if they are in the working inventory
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and the working file exists.
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self._update_statcache()
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inv = self._inventory
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for path, ie in inv.iter_entries():
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if os.path.exists(self.abspath(path)):
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for file_id in self._inventory:
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# TODO: This is slightly redundant; we should be able to just
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# check the statcache but it only includes regular files.
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# only include files which still exist on disk
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if ((file_id in self._statcache)
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or (os.path.exists(self.abspath(inv.id2path(file_id))))):
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def __repr__(self):
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return "<%s of %s>" % (self.__class__.__name__,
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getattr(self, 'basedir', None))
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def abspath(self, filename):
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return os.path.join(self.basedir, filename)
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def has_id(self, file_id):
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# files that have been deleted are excluded
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inv = self._inventory
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if not inv.has_id(file_id):
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if not self.inventory.has_id(file_id):
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path = inv.id2path(file_id)
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return os.path.exists(self.abspath(path))
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self._update_statcache()
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if file_id in self._statcache:
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return os.path.exists(self.abspath(self.id2path(file_id)))
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__contains__ = has_id
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def _update_statcache(self):
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if not self._statcache:
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self._statcache = statcache.update_cache(self.basedir, self.inventory)
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def get_file_size(self, file_id):
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# is this still called?
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raise NotImplementedError()
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return os.stat(self._get_store_filename(file_id))[stat.ST_SIZE]
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def get_file_sha1(self, file_id):
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path = self._inventory.id2path(file_id)
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return self._hashcache.get_sha1(path)
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self._update_statcache()
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return self._statcache[file_id][statcache.SC_SHA1]
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def file_class(self, filename):
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Skips the control directory.
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inv = self._inventory
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from osutils import appendpath, file_kind
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def descend(from_dir_relpath, from_dir_id, dp):
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ls = os.listdir(dp)
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Currently returned depth-first, sorted by name within directories.
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## TODO: Work from given directory downwards
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from osutils import isdir, appendpath
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for path, dir_entry in self.inventory.directories():
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mutter("search for unknowns in %r" % path)
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dirabs = self.abspath(path)
added
removed
bzrlib/workingtree.py
