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Python objects metadata parser.

Project description

paradigm

In what follows python is an alias for python3.5 or pypy3.5 or any later version (python3.6, pypy3.6 and so on).

Installation

Install the latest pip & setuptools packages versions

python -m pip install --upgrade pip setuptools

User

Download and install the latest stable version from PyPI repository

python -m pip install --upgrade paradigm

Developer

Download the latest version from GitHub repository

git clone https://github.com/lycantropos/paradigm.git
cd paradigm

Install dependencies

python -m pip install -r requirements.txt

Install

python setup.py install

Usage

paradigm can be used to obtain signature

>>> from paradigm import signatures

for user-defined functions

>>> def func(foo, bar=None, **kwargs):
...     pass
>>> signatures.factory(func)
Plain(Parameter(name='foo', kind=Parameter.Kind.POSITIONAL_OR_KEYWORD, has_default=False), Parameter(name='bar', kind=Parameter.Kind.POSITIONAL_OR_KEYWORD, has_default=True), Parameter(name='kwargs', kind=Parameter.Kind.VARIADIC_KEYWORD, has_default=False))

for user-defined classes

>>> class UpperOut:
...     def __init__(self, outfile):
...         self._outfile = outfile
... 
...     def write(self, s):
...         self._outfile.write(s.upper())
... 
...     def __getattr__(self, name):
...         return getattr(self._outfile, name)
>>> signatures.factory(UpperOut)
Plain(Parameter(name='outfile', kind=Parameter.Kind.POSITIONAL_OR_KEYWORD, has_default=False))

for user-defined classes methods

>>> signatures.factory(UpperOut.write)
Plain(Parameter(name='self', kind=Parameter.Kind.POSITIONAL_OR_KEYWORD, has_default=False), Parameter(name='s', kind=Parameter.Kind.POSITIONAL_OR_KEYWORD, has_default=False))

for built-in functions

>>> import platform
>>> from paradigm.models import Parameter, Plain
>>> signatures.factory(any) == (
...     Plain(Parameter(name='seq',
...                     kind=Parameter.Kind.POSITIONAL_OR_KEYWORD,
...                     has_default=False))
...     if platform.python_implementation() == 'PyPy'
...     else Plain(Parameter(name='iterable',
...                          kind=Parameter.Kind.POSITIONAL_ONLY,
...                          has_default=False)))
True

for built-in classes

>>> import platform
>>> from paradigm.models import Parameter, Plain
>>> signatures.factory(float) == (
...     Plain(Parameter(name='x', 
...                     kind=Parameter.Kind.POSITIONAL_OR_KEYWORD,
...                     has_default=True))
...     if platform.python_implementation() == 'PyPy'
...     else Plain(Parameter(name='x', 
...                          kind=Parameter.Kind.POSITIONAL_ONLY,
...                          has_default=True)))
True

for built-in classes methods

>>> import platform
>>> from paradigm.models import Parameter, Plain
>>> signatures.factory(float.as_integer_ratio) == (
...     Plain(Parameter(name='self',
...                     kind=Parameter.Kind.POSITIONAL_OR_KEYWORD,
...                     has_default=False))
...     if platform.python_implementation() == 'PyPy'
...     else Plain(Parameter(name='self',
...                          kind=Parameter.Kind.POSITIONAL_ONLY,
...                          has_default=False)))
True

Checking if object is supported by paradigm can be done with

>>> from paradigm import definitions
>>> definitions.is_supported(int.bit_length)
True

Development

Bumping version

Preparation

Install bump2version.

Pre-release

Choose which version number category to bump following semver specification.

Test bumping version

bump2version --dry-run --verbose $CATEGORY

where $CATEGORY is the target version number category name, possible values are patch/minor/major.

Bump version

bump2version --verbose $CATEGORY

This will set version to major.minor.patch-alpha.

Release

Test bumping version

bump2version --dry-run --verbose release

Bump version

bump2version --verbose release

This will set version to major.minor.patch.

Running tests

Install dependencies

python -m pip install -r requirements-tests.txt

Plain

pytest

Inside Docker container:

  • with CPython
    docker-compose --file docker-compose.cpython.yml up
    
  • with PyPy
    docker-compose --file docker-compose.pypy.yml up
    

Bash script (e.g. can be used in Git hooks):

  • with CPython

    ./run-tests.sh
    

    or

    ./run-tests.sh cpython
    
  • with PyPy

    ./run-tests.sh pypy
    

PowerShell script (e.g. can be used in Git hooks):

  • with CPython
    .\run-tests.ps1
    
    or
    .\run-tests.ps1 cpython
    
  • with PyPy
    .\run-tests.ps1 pypy
    

Project details


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Source Distribution

paradigm-0.6.1.tar.gz (21.9 kB view hashes)

Uploaded Source

Built Distribution

paradigm-0.6.1-py3-none-any.whl (30.1 kB view hashes)

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