Decorator to set a function's __annotations__ like Py3.


Keywords
annotate, typing, decorator
Licenses
Zlib/Libpng/Zlib
Install
pip install annotate==1.0.16

Documentation

annotate

Function annotations.

Overview

@annotate

Decorator to set a function's __annotations__ like Py3.

PyPI record.

Documentation.

Examples

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)))

Installation

Prerequisites:

To install run:

python -m pip install --upgrade annotate

Development

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:

git clone https://github.com/karpierz/annotate.git annotate

and run:

python -m pip install ./annotate

or on development mode:

python -m pip install --editable ./annotate

License

Copyright (c) 2012-2022 Adam Karpierz
Licensed under the zlib/libpng License
Please refer to the accompanying LICENSE file.

Authors