qubx :: tree :: NodeFile_NoMap :: Class NodeFile_NoMap

Class NodeFile_NoMap

object --+
         |
        NodeFile_NoMap

Manages a non-memory-mapped qubtree file on disk. Read-only.

Solves the (mainly 32-bit) problem of opening files that don't fit in address space, by leaving non-preload data on disk until node.data.read_rows().

Instance Methods

[hide private]

__init__(self, path, write=True)
Opens a file for qubtree use.

source code

close(self)

source code

Inherited from object: __delattr__, __format__, __getattribute__, __hash__, __new__, __reduce__, __reduce_ex__, __repr__, __setattr__, __sizeof__, __str__, __subclasshook__

Properties

[hide private]

Inherited from object: __class__

Method Details

[hide private]

init(self, path, write=True)
(Constructor)

source code

Opens a file for qubtree use.

Overrides: object.__init__

Class NodeFile_NoMap

__init__(self, path, write=True) (Constructor)

init(self, path, write=True)
(Constructor)