def branch_iterator(self, target_root=None):
if len(self.config) == 0:
# branch not have externals configuration
return
self.bound = True
if not target_root:
target_root = self.branch.get_bound_location()
if not target_root:
self.bound = False
target_root = self.branch.get_parent()
if not target_root:
# support new braches with no parent yet
target_root = self.branch.base
for arg in self.config: # url directory [revisionspec]
location = self._relurljoin(target_root, arg[0])
if target_root.startswith('file:///'):
# try to pull externals from the parent for the feature branch
path = pathjoin(local_path_from_url(target_root), arg[1])
if isdir(path):
location = self._relpath(path)
else:
# parent is local master branch
if location.startswith('file:///'):
location = self._relpath(local_path_from_url(location))
check_legal_path(arg[1])
rel_path = self._relpath(pathjoin(self.root, arg[1]))
revision = None
if len(arg) > 2:
revision = arg[2]
yield location, rel_path, revision
def writeChunk(self, name, offset, data):
"""Write a chunk of data to file `name` at `offset`."""
abspath = self._abspath(name)
osutils.check_legal_path(abspath)
try:
chunk_file = os.open(abspath, os.O_CREAT | os.O_WRONLY)
except OSError as e:
if e.errno != errno.EISDIR:
raise
raise FileIsADirectory(name)
os.lseek(chunk_file, offset, 0)
os.write(chunk_file, data)
os.close(chunk_file)
def put_bytes(self, relpath, bytes, mode=None):
"""Copy the string into the location.
:param relpath: Location to put the contents, relative to base.
:param bytes: String
"""
path = relpath
try:
path = self._abspath(relpath)
osutils.check_legal_path(path)
fp = atomicfile.AtomicFile(path, 'wb', new_mode=mode)
except (IOError, OSError),e:
self._translate_error(e, path)
def put_file(self, relpath, f, mode=None):
"""Copy the file-like object into the location.
:param relpath: Location to put the contents, relative to base.
:param f: File-like object.
:param mode: The mode for the newly created file,
None means just use the default
"""
path = relpath
try:
path = self._abspath(relpath)
osutils.check_legal_path(path)
fp = atomicfile.AtomicFile(path, 'wb', new_mode=mode)
except (IOError, OSError),e:
self._translate_error(e, path)