def _add_watch_for_path(self, path):
logging.debug('_add_watch_for_path(%r)', path)
for dirpath, directories, _ in itertools.chain(
[(os.path.dirname(path), [os.path.basename(path)], None)],
os.walk(path, topdown=True, followlinks=True)):
watcher_common.remove_ignored_dirs(directories)
for directory in directories:
directory_path = os.path.join(dirpath, directory)
# dirpath cannot be used as the parent directory path because it is the
# empty string for symlinks :-(
parent_path = os.path.dirname(directory_path)
watch_descriptor = InotifyFileWatcher._libc.inotify_add_watch(
self._inotify_fd,
ctypes.create_string_buffer(directory_path),
_INTERESTING_INOTIFY_EVENTS)
if watch_descriptor < 0:
if ctypes.get_errno() == errno.ENOSPC:
logging.warning(
'There are too many directories in your application for '
'changes in all of them to be monitored. You may have to '
'restart the development server to see some changes to your '
'files.')
return
error = OSError('could not add watch for %r' % directory_path)
error.errno = ctypes.get_errno()
error.strerror = errno.errorcode[ctypes.get_errno()]
error.filename = directory_path
raise error
if parent_path in self._directory_to_subdirs:
self._directory_to_subdirs[parent_path].add(directory_path)
self._watch_to_directory[watch_descriptor] = directory_path
self._directory_to_watch_descriptor[directory_path] = watch_descriptor
self._directory_to_subdirs[directory_path] = set()
def _generate_filename_to_mtime(self):
filename_to_mtime = {}
num_files = 0
for dirname, dirnames, filenames in os.walk(self._directory,
followlinks=True):
watcher_common.remove_ignored_dirs(dirnames)
filenames = [f for f in filenames if not watcher_common.ignore_file(f)]
for filename in filenames + dirnames:
if num_files == 10000:
warnings.warn(
'There are too many files in your application for '
'changes in all of them to be monitored. You may have to '
'restart the development server to see some changes to your '
'files.')
return filename_to_mtime
num_files += 1
path = os.path.join(dirname, filename)
try:
mtime = os.path.getmtime(path)
except (IOError, OSError):
pass
else:
filename_to_mtime[path] = mtime
return filename_to_mtime
def _add_watch_for_path(self, path):
logging.debug('_add_watch_for_path(%r)', path)
for dirpath, directories, _ in itertools.chain(
[(os.path.dirname(path), [os.path.basename(path)], None)],
os.walk(path, topdown=True, followlinks=True)):
watcher_common.remove_ignored_dirs(directories)
for directory in directories:
directory_path = os.path.join(dirpath, directory)
# dirpath cannot be used as the parent directory path because it is the
# empty string for symlinks :-(
parent_path = os.path.dirname(directory_path)
watch_descriptor = _libc.inotify_add_watch(
self._inotify_fd,
ctypes.create_string_buffer(directory_path),
_INTERESTING_INOTIFY_EVENTS)
if watch_descriptor < 0:
if ctypes.get_errno() == errno.ENOSPC:
logging.warning(
'There are too many directories in your application for '
'changes in all of them to be monitored. You may have to '
'restart the development server to see some changes to your '
'files.')
return
error = OSError('could not add watch for %r' % directory_path)
error.errno = ctypes.get_errno()
error.strerror = errno.errorcode[ctypes.get_errno()]
error.filename = directory_path
raise error
if parent_path in self._directory_to_subdirs:
self._directory_to_subdirs[parent_path].add(directory_path)
self._watch_to_directory[watch_descriptor] = directory_path
self._directory_to_watch_descriptor[directory_path] = watch_descriptor
self._directory_to_subdirs[directory_path] = set()
