pyzim.blob.EntryBlobSource

class documentation

class EntryBlobSource(BaseBlobSource):

Constructor: EntryBlobSource(entry)

A BaseBlobSource that provides the content from an entry.

This is useful if you want to create an item from an existing entry.

NOTE: this BlobSource does not keep a copy of the entry in RAM. Instead, the content will be read as needed.

Method	`__init__`	The default constructor.
Method	`get_blob`	Return a blob.
Method	`get_size`	Get the size of a blob from this factory.
Instance Variable	`_entry`	Undocumented
Instance Variable	`_size`	Undocumented

def __init__(self, entry): ¶

The default constructor.

Parameters
entry:`pyzim.entry.ContentEntry`	entry to get content from

def get_blob(self): ¶

overrides pyzim.blob.BaseBlobSource.get_blob

Return a blob.

Returns
`BaseBlob`	a fresh instance of a subclass of `BaseBlob`

def get_size(self): ¶

overrides pyzim.blob.BaseBlobSource.get_size

Get the size of a blob from this factory.

The default implementation instantiates a new blob using BaseBlobSource.get_blob and calls BaseBlob.get_size. Subclasses may overwrite this method for a more efficient implementation.

Please See BaseBlob.get_size for details.

Returns
`int`	the size of a blob in byzes

_entry = ¶

Undocumented

_size = ¶

Undocumented