annotate 1.0.15

Decorator to set a function's __annotations__ like Py3.

annotate

Function annotations for Python2.

Overview

@annotate

Decorator to set a function’s __annotations__ like Py3.

https://www.python.org/dev/peps/pep-3107/

PyPI record.

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:

• Python 2.7 or Python 3.5 or higher

  • https://www.python.org/

  • 2.7 and 3.7 are primary test environments.

• pip and setuptools

  • https://pypi.org/project/pip/

  • https://pypi.org/project/setuptools/

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) 2012-2020 Adam Karpierz

Licensed under the zlib/libpng License

https://opensource.org/licenses/Zlib

Please refer to the accompanying LICENSE file.

Authors

• Adam Karpierz <[e-mail]>

Changelog

1.0.15 (2020-10-18)

• Setup: fix an improper dependencies versions.

• Setup general update and cleanup.

• Fixed docs setup.

1.0.8 (2019-05-21)

• Update required setuptools version.

• Setup update and improvements.

1.0.7 (2018-11-08)

• Drop support for Python 2.6 and 3.0-3.3

• Update required setuptools version.

1.0.6 (2018-05-08)

• Update required setuptools version.

• Improve and simplify setup and packaging.

1.0.5 (2018-02-26)

• Improve and simplify setup and packaging.

1.0.4 (2018-01-28)

• Fix a bug and inconsistencies in tox.ini

• Update of README.rst.

1.0.1 (2018-01-24)

• Update required Sphinx version.

• Update doc Sphinx configuration files.

1.0.0 (2017-11-18)

• Setup improvements.

• Other minor improvements.

0.7.4 (2017-01-05)

• Minor setup improvements.

0.7.3 (2016-09-25)

• Fix bug in setup.py

0.7.1 (2016-09-25)

• More PEP8 compliant

0.6.7 (2016-09-24)

• Minor description suplement

0.6.4 (2016-09-23)

• Simplify package structure.

0.6.3 (2016-06-19)

• Fix incompatibility for older versions of setuptools.

  Add example.

0.6.0 (2015-08-17)

• Python3 support.

0.5.1 (2015-02-27)

• Remove ‘returns’ as keyword argument for declare return type.

  For now, the type of returned value should be declared by the

  first positional argument.

0.3.3 (2014-09-15)

• Add wheels.

0.3.2 (2014-09-13)

• Standarize package.

0.3.0 (2014-09-06)

• Standarize package.

• Cosmetic changes.

0.2.6 (2014-06-10)

• Portable setup.py.

0.2.5 (2014-06-10)

• Cosmetic changes.

0.2.3 (2012-10-13)

• Initial release.