import abc
from abc import abstractmethod
[docs]class BaseStreamer(abc.ABC):
"""Abstract base class to simulate the streaming data.
Args:
shuffle (bool): Whether shuffle the data initially (Optional, default=False).
"""
def __init__(self, shuffle=False):
self.shuffle = shuffle
[docs] @abstractmethod
def iter(self, X, y=None):
"""Method that iterates array of data and (optionally) labels.
Args:
X (np.array of shape (num_instances, num_features)): The features of instances to iterate.
y: (Optional, default=None) If not None, iterates labels with the same order.
"""
pass