Method exists

easycv/file/file_io.py:263–292

Whether the file exists, same usage as `os.path.exists`. Support local path and oss path. Example: from easycv.file import io io.access_oss(your oss config) # only oss file need, refer to `IO.access_oss` ret = io.exists('oss://bucket_name

(self, path)

            raise ValueError('invalid mode: %s' % mode)

    def exists(self, path):
        """
        Whether the file exists, same usage as `os.path.exists`.
        Support local path and oss path.

        Example:
            from easycv.file import io
            io.access_oss(your oss config) # only oss file need, refer to `IO.access_oss`
            ret = io.exists('oss://bucket_name/dir')
            print(ret)
        Args:
            path: oss path or local path
        """
        if not is_oss_path(path):
            return super().exists(path)

        bucket, _path = self._get_bucket_obj_and_path(path)
        # TODO: 网络不稳时try，其他错误直接抛出
        if not path.endswith('/'):
            # if file exists
            exists = self._obj_exists(bucket, _path)
            # if bucket exists
            if not exists:
                _path = self._correct_oss_dir(_path)
                exists = self._obj_exists(bucket, _path)
        else:
            # if bucket exists
            exists = self._obj_exists(bucket, _path)

        return exists

    def _obj_exists(self, bucket, path):
        return bucket.object_exists(path)