from __future__ import division
import logging
import pyvips
from pyvips import ffi, vips_lib, Error, _to_bytes
logger = logging.getLogger(__name__)
[docs]class Target(pyvips.Connection):
"""An output connection.
"""
def __init__(self, pointer):
# logger.debug('Operation.__init__: pointer = %s', pointer)
super(Target, self).__init__(pointer)
[docs] @staticmethod
def new_to_descriptor(descriptor):
"""Make a new target to write to a file descriptor (a small
integer).
Make a new target that is attached to the descriptor. For example::
target = pyvips.Target.new_to_descriptor(1)
Makes a descriptor attached to stdout.
You can pass this target to (for example) :meth:`write_to_target`.
"""
# logger.debug('VipsTarget.new_to_descriptor: descriptor = %d',
# descriptor)
# targets are mutable, so we can't use the cache
pointer = vips_lib.vips_target_new_to_descriptor(descriptor)
if pointer == ffi.NULL:
raise Error("can't create output target from descriptor {0}"
.format(descriptor))
return Target(pointer)
[docs] @staticmethod
def new_to_file(filename):
"""Make a new target to write to a file.
Make a new target that will write to the named file. For example::
target = pyvips.Target.new_to_file("myfile.jpg")
You can pass this target to (for example) :meth:`write_to_target`.
"""
# logger.debug('VipsTarget.new_to_file: filename = %s', filename)
pointer = vips_lib.vips_target_new_to_file(_to_bytes(filename))
if pointer == ffi.NULL:
raise Error("can't create output target from filename {0}"
.format(filename))
return Target(pointer)
[docs] @staticmethod
def new_to_memory():
"""Make a new target to write to an area of memory.
Make a new target that will write to memory. For example::
target = pyvips.Target.new_to_memory()
You can pass this target to (for example) :meth:`write_to_target`.
After writing to the target, fetch the bytes from the target object
with `target.get("blob")`.
"""
# logger.debug('VipsTarget.new_to_memory:')
pointer = vips_lib.vips_target_new_to_memory()
if pointer == ffi.NULL:
raise Error("can't create output target from memory")
return Target(pointer)
__all__ = ['Target']
RetroSearch is an open source project built by @garambo | Open a GitHub Issue
Search and Browse the WWW like it's 1997 | Search results from DuckDuckGo
HTML:
3.2
| Encoding:
UTF-8
| Version:
0.7.4