Function annotations.
@annotate
| Decorator to set a function's annotations like Py3. | https://www.python.org/dev/peps/pep-3107/
PyPI record_.
Documentation_.
.. code:: python
from typing import Optional, Tuple, Union, Sequence from annotate import annotate
from .lib import cached from . import jni
from .jobjectbase import JObjectBase from .jclass import JClass from .jobject import JObject
class JArray(JObjectBase): """Java Array"""
@classmethod
@annotate('JArray', size=Union[int, long])
def newBooleanArray(cls, size):
...
...
@classmethod
@annotate('JArray', size=Union[int, long])
def newDoubleArray(cls, size):
...
@classmethod
@annotate('JArray', size=Union[int, long])
def newStringArray(cls, size):
...
@classmethod
@annotate('JArray', size=Union[int, long], component_class=JClass)
def newObjectArray(cls, size, component_class):
...
@annotate(jenv=jni.JNIEnv, jarr=jni.jarray, borrowed=bool)
def __init__(self, jenv, jarr, borrowed=False):
...
def __hash__(self):
return super(JArray, self).__hash__()
def __len__(self):
return self.getLength()
@annotate(JObject, borrowed=bool)
def asObject(self, borrowed=False):
...
@cached
@annotate(int)
def getLength(self):
...
@annotate(bool, idx=int)
def getBoolean(self, idx):
...
...
@annotate(float, idx=int)
def getDouble(self, idx):
...
@annotate(Optional[str], idx=int)
def getString(self, idx):
...
@annotate(Optional[JObject], idx=int)
def getObject(self, idx):
...
@annotate(idx=int, val=bool)
def setBoolean(self, idx, val):
...
@annotate(idx=int, val=str)
def setChar(self, idx, val):
...
...
@annotate(idx=int, val=Union[int, long])
def setLong(self, idx, val):
...
@annotate(idx=int, val=float)
def setDouble(self, idx, val):
...
@annotate(idx=int, val=Optional[str])
def setString(self, idx, val):
...
@annotate(idx=int, val=Optional[JObject])
def setObject(self, idx, val):
...
@annotate('JArray', start=int, stop=int, step=int)
def getBooleanSlice(self, start, stop, step):
...
...
@annotate('JArray', start=int, stop=int, step=int)
def getDoubleSlice(self, start, stop, step):
...
@annotate('JArray', start=int, stop=int, step=int)
def getStringSlice(self, start, stop, step):
...
@annotate('JArray', start=int, stop=int, step=int)
def getObjectSlice(self, start, stop, step):
...
@annotate(start=int, stop=int, step=int, val=Sequence[bool])
def setBooleanSlice(self, start, stop, step, val):
...
@annotate(start=int, stop=int, step=int, val=Union[Sequence[str], str])
def setCharSlice(self, start, stop, step, val):
...
@annotate(start=int, stop=int, step=int,
val=Union[Sequence[Union[int,bytes]], (bytes, bytearray)])
def setByteSlice(self, start, stop, step, val):
...
...
@annotate(start=int, stop=int, step=int, val=Sequence[float])
def setDoubleSlice(self, start, stop, step, val):
...
@annotate(start=int, stop=int, step=int, val=Sequence[Optional[str]])
def setStringSlice(self, start, stop, step, val):
...
@annotate(start=int, stop=int, step=int, val=Sequence[Optional[JObject]])
def setObjectSlice(self, start, stop, step, val):
...
@annotate(Tuple)
def getBooleanBuffer(self):
with self.jvm as (jvm, jenv):
is_copy = jni.jboolean()
return jenv.GetBooleanArrayElements(self._jobj, is_copy), jni.sizeof(jni.jboolean), b"B", is_copy
...
@annotate(Tuple)
def getDoubleBuffer(self):
with self.jvm as (jvm, jenv):
is_copy = jni.jboolean()
return jenv.GetDoubleArrayElements(self._jobj, is_copy), jni.sizeof(jni.jdouble), b"d", is_copy
@annotate(buf=object)
def releaseBooleanBuffer(self, buf):
with self.jvm as (jvm, jenv):
jenv.ReleaseBooleanArrayElements(self._jobj, jni.cast(buf, jni.POINTER(jni.jboolean)))
...
@annotate(buf=object)
def releaseDoubleBuffer(self, buf):
with self.jvm as (jvm, jenv):
jenv.ReleaseDoubleArrayElements(self._jobj, jni.cast(buf, jni.POINTER(jni.jdouble)))
Prerequisites:
Python 3.10 or higher
pip and setuptools
To install run:
.. parsed-literal::
python -m pip install --upgrade |package|
Prerequisites:
Development is strictly based on tox. To install it run::
python -m pip install --upgrade tox
Visit Development page_.
Installation from sources:
clone the sources:
.. parsed-literal::
git clone |respository| |package|
and run:
.. parsed-literal::
python -m pip install ./|package|
or on development mode:
.. parsed-literal::
python -m pip install --editable ./|package|
| |copyright| | Licensed under the zlib/libpng License | https://opensource.org/license/zlib | Please refer to the accompanying LICENSE file.
.. |package| replace:: annotate .. |package_bold| replace:: annotate .. |copyright| replace:: Copyright (c) 2012-2025 Adam Karpierz .. |respository| replace:: https://github.com/karpierz/annotate.git .. _Development page: https://github.com/karpierz/annotate .. _PyPI record: https://pypi.org/project/annotate/ .. _Documentation: https://annotate.readthedocs.io/
FAQs
Decorator to set a function's __annotations__ like Py3.
We found that annotate demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 1 open source maintainer collaborating on the project.
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