def _u_find_id_from_manifest(self, id, manifest, revision=None):
"""Search for the relative path to id using manifest, a list of all
files.
Returns None if the id is not found.
"""
be_dir = self._cached_path_id._spacer_dirs[0]
be_dir_sep = self._cached_path_id._spacer_dirs[0] + os.path.sep
files = [f for f in manifest if f.startswith(be_dir_sep)]
for file in files:
if not file.startswith(be_dir + os.path.sep):
continue
parts = file.split(os.path.sep)
dir = parts.pop(0) # don't add the first spacer dir
for part in parts[:-1]:
dir = os.path.join(dir, part)
if not dir in files:
files.append(dir)
for file in files:
try:
p_id = self._u_path_to_id(file)
if p_id == id:
return file
except (SpacerCollision, InvalidPath):
pass
raise InvalidID(id, revision=revision)
def path(self, id, relpath=False):
fields = id.split('/', 1)
uuid = fields[0]
if len(fields) == 1:
extra = []
else:
extra = fields[1:]
if uuid not in self._cache:
self.init(cache=self._cache)
if uuid not in self._cache:
raise InvalidID(uuid)
if relpath == True:
return os.path.join(self._cache[uuid], *extra)
return os.path.join(self._root, self._cache[uuid], *extra)
def _u_find_id(self, id, revision):
"""Search for the relative path to id as of revision.
Returns None if the id is not found.
"""
assert self._rooted == True
be_dir = self._cached_path_id._spacer_dirs[0]
stack = [(be_dir, be_dir)]
while len(stack) > 0:
path, long_id = stack.pop()
if long_id.endswith('/' + id):
return path
if self._vcs_isdir(path, revision) == False:
continue
for child in self._vcs_listdir(path, revision):
stack.append((os.path.join(path,
child), '/'.join([long_id, child])))
raise InvalidID(id, revision=revision)
def __init__(self, pathname, root='.'):
path = os.path.abspath(os.path.join(root, pathname))
InvalidID.__init__(self, 'No such file: %s' % path)
def __init__(self, path, root, msg=None, **kwargs):
if msg == None:
msg = 'Path "%s" not in root "%s"' % (path, root)
InvalidID.__init__(self, msg=msg, **kwargs)
self.path = path
self.root = root
children[i] = self._u_path_to_id(cpath)
return [c for c in children if c != None]
def _get(self, id, default=libbe.util.InvalidObject, revision=None):
try:
relpath = self.path(id, revision, relpath=True)
contents = self._vcs_get_file_contents(relpath, revision)
except InvalidID, e:
if default == libbe.util.InvalidObject:
raise e
return default
if contents in [libbe.storage.base.InvalidDirectory,
libbe.util.InvalidObject] \
or len(contents) == 0:
if default == libbe.util.InvalidObject:
raise InvalidID(id, revision)
return default
return contents
def _set(self, id, value):
try:
path = self._cached_path_id.path(id)
except InvalidID, e:
raise
if not os.path.exists(path):
raise InvalidID(id)
if os.path.isdir(path):
raise libbe.storage.base.InvalidDirectory(id)
f = open(path, "wb")
f.write(value)
f.close()
def __init__(self, pathname, root='.'):
path = os.path.abspath(os.path.join(root, pathname))
InvalidID.__init__(self, 'No such file: %s' % path)
def __init__(self, path, root, msg=None, **kwargs):
if msg == None:
msg = 'Path "%s" not in root "%s"' % (path, root)
InvalidID.__init__(self, msg=msg, **kwargs)
self.path = path
self.root = root