pyzim.blob.EmptyBlob

class documentation

class EmptyBlob(BaseBlob):

Constructor: EmptyBlob()

A BaseBlob used by EmptyBlobSource for empty blobs.

Method	`__init__`	The default constructor.
Method	`close`	Called when this blob is no longer needed.
Method	`get_size`	Return the size of this blob.
Method	`read`	Read up to n bytes from the blob.

def __init__(self): ¶

The default constructor.

def close(self): ¶

overrides pyzim.blob.BaseBlob.close

Called when this blob is no longer needed.

Use this method to clean up any associated resources.

def get_size(self): ¶

overrides pyzim.blob.BaseBlob.get_size

Return the size of this blob.

This value should never be lower than the actual size.

Returns
`int`	the size of this blob in bytes

def read(self, n): ¶

overrides pyzim.blob.BaseBlob.read

Read up to n bytes from the blob.

The "n" parameter indicates the max amount of bytes that should be returned. It is meant as a mere suggestion and can safely be ignored.

This function should return an empty bytestring if all data has been read.

Returns
`bytes`	a chunk of data read from the blob