Metadata-Version: 1.1
Name: peng
Version: 1.0.7
Summary: This package provides engineering-related classes and functions, including:
Home-page: http://github.com/pmacosta/peng/
Author: Pablo Acosta-Serafini
Author-email: pmasdev@gmail.com
License: MIT
Description: .. README.rst
        .. Copyright (c) 2013-2019 Pablo Acosta-Serafini
        .. See LICENSE for details
        
        .. image:: https://badge.fury.io/py/peng.svg
            :target: https://pypi.org/project/peng
            :alt: PyPI version
        
        .. image:: https://img.shields.io/pypi/l/peng.svg
            :target: https://pypi.org/project/peng
            :alt: License
        
        .. image:: https://img.shields.io/pypi/pyversions/peng.svg
            :target: https://pypi.org/project/peng
            :alt: Python versions supported
        
        .. image:: https://img.shields.io/pypi/format/peng.svg
            :target: https://pypi.org/project/peng
            :alt: Format
        
        |
        
        .. image::
            https://dev.azure.com/pmasdev/peng/_apis/build/status/pmacosta.peng?branchName=master
            :target: https://dev.azure.com/pmasdev/peng/_build?definitionId=3&_a=summary
            :alt: Continuous integration test status
        
        .. image::
            https://img.shields.io/azure-devops/coverage/pmasdev/peng/6.svg
            :target: https://dev.azure.com/pmasdev/peng/_build?definitionId=6&_a=summary
            :alt: Continuous integration test coverage
        
        .. image::
            https://readthedocs.org/projects/pip/badge/?version=stable
            :target: https://pip.readthedocs.io/en/stable/?badge=stable
            :alt: Documentation status
        
        |
        
        Description
        ===========
        
        .. role:: bash(code)
        	:language: bash
        
        .. [[[cog
        .. import os, sys, pmisc, docs.support.requirements_to_rst
        .. file_name = sys.modules['docs.support.requirements_to_rst'].__file__
        .. mdir = os.path.join(os.path.realpath(
        ..    os.path.dirname(os.path.dirname(os.path.dirname(file_name)))), 'pypkg'
        .. )
        .. docs.support.requirements_to_rst.def_links(cog)
        .. ]]]
        .. _Astroid: https://bitbucket.org/logilab/astroid
        .. _Cog: https://nedbatchelder.com/code/cog
        .. _Coverage: https://coverage.readthedocs.io
        .. _Decorator: https://decorator.readthedocs.io
        .. _Docutils: http://docutils.sourceforge.net/docs
        .. _Funcsigs: https://pypi.org/project/funcsigs
        .. _Mock: https://docs.python.org/3/library/unittest.mock.html
        .. _Numpy: http://www.numpy.org
        .. _Pexdoc: http://pexdoc.readthedocs.org
        .. _Pmisc: http://pmisc.readthedocs.org
        .. _Pylint: https://www.pylint.org
        .. _PyParsing: https://pyparsing.wikispaces.com
        .. _Py.test: http://pytest.org
        .. _Pytest-coverage: https://pypi.org/project/pytest-cov
        .. _Pytest-pmisc: http://pytest-pmisc.readthedocs.org
        .. _Pytest-xdist: https://pypi.org/project/pytest-xdist
        .. _Scipy: https://www.scipy.org
        .. _Six: https://pythonhosted.org/six
        .. _Sphinx: http://sphinx-doc.org
        .. _ReadTheDocs Sphinx theme: https://github.com/rtfd/sphinx_rtd_theme
        .. _Inline Syntax Highlight Sphinx Extension:
           https://bitbucket.org/klorenz/sphinxcontrib-inlinesyntaxhighlight
        .. _Shellcheck Linter Sphinx Extension:
           https://pypi.org/project/sphinxcontrib-shellcheck
        .. _Tox: https://testrun.org/tox
        .. _Virtualenv: https://docs.python-guide.org/dev/virtualenvs
        .. [[[end]]]
        
        This package provides engineering-related classes and functions, including:
        
        * A waveform class that is a first-class object. For example:
        
            .. code-block:: python
        
                >>> import copy, numpy, peng
                >>> obj_a=peng.Waveform(
                ...     indep_vector=numpy.array([1, 2, 3]),
                ...     dep_vector=numpy.array([10, 20, 30]),
                ...     dep_name='obj_a'
                ... )
                >>> obj_b = obj_a*2
                >>> print(obj_b)
                Waveform: obj_a*2
                Independent variable: [ 1, 2, 3 ]
                Dependent variable: [ 20, 40, 60 ]
                Independent variable scale: LINEAR
                Dependent variable scale: LINEAR
                Independent variable units: (None)
                Dependent variable units: (None)
                Interpolating function: CONTINUOUS
                >>> obj_c = copy.copy(obj_b)
                >>> obj_a == obj_b
                False
                >>> obj_b == obj_c
                True
        
          Numerous functions are provided (trigonometric,
          calculus, transforms, etc.) and creating new functions that operate on
          waveforms is simple since all of their relevant information can be accessed
          through properties
        
        * Handling numbers represented in engineering notation, obtaining
          their constituent components and converting to and from regular
          floats. For example:
        
            .. code-block:: python
        
                >>> import peng
                >>> x = peng.peng(1346, 2, True)
                >>> x
                '   1.35k'
                >>> peng.peng_float(x)
                1350.0
                >>> peng.peng_int(x)
                1
                >>> peng.peng_frac(x)
                35
                >>> str(peng.peng_mant(x))
                '1.35'
                >>> peng.peng_power(x)
                EngPower(suffix='k', exp=1000.0)
                >>> peng.peng_suffix(x)
                'k'
        
        * Pretty printing Numpy vectors. For example:
        
            .. code-block:: python
        
                >>> from __future__ import print_function
                >>> import peng
                >>> header = 'Vector: '
                >>> data = [1e-3, 20e-6, 30e+6, 4e-12, 5.25e3, -6e-9, 70, 8, 9]
                >>> print(
                ...     header+peng.pprint_vector(
                ...         data,
                ...         width=30,
                ...         eng=True,
                ...         frac_length=1,
                ...         limit=True,
                ...         indent=len(header)
                ...     )
                ... )
                Vector: [    1.0m,   20.0u,   30.0M,
                                     ...
                            70.0 ,    8.0 ,    9.0  ]
        
        * Formatting numbers represented in scientific notation with a greater
          degree of control and options than standard Python string formatting.
          For example:
        
            .. code-block:: python
        
                >>> import peng
                >>> peng.to_scientific_string(
                ...     number=99.999,
                ...     frac_length=1,
                ...     exp_length=2,
                ...     sign_always=True
                ... )
                '+1.0E+02'
        
        Interpreter
        ===========
        
        The package has been developed and tested with Python 2.7, 3.5, 3.6 and 3.7
        under Linux (Debian, Ubuntu), Apple macOS and Microsoft Windows
        
        Installing
        ==========
        
        .. code-block:: bash
        
        	$ pip install peng
        
        Documentation
        =============
        
        Available at `Read the Docs <https://peng.readthedocs.io>`_
        
        Contributing
        ============
        
        1. Abide by the adopted `code of conduct
           <https://www.contributor-covenant.org/version/1/4/code-of-conduct>`_
        
        2. Fork the `repository <https://github.com/pmacosta/peng>`_ from
           GitHub and then clone personal copy [#f1]_:
        
            .. code-block:: bash
        
                $ github_user=myname
                $ git clone --recursive \
                      https://github.com/"${github_user}"/peng.git
                Cloning into 'peng'...
                ...
                $ cd peng
                $ export PENG_DIR=${PWD}
        
        3. Install the project's Git hooks and build the documentation. The pre-commit
           hook does some minor consistency checks, namely trailing whitespace and
           `PEP8 <https://www.python.org/dev/peps/pep-0008/>`_ compliance via
           Pylint. Assuming the directory to which the repository was cloned is
           in the :bash:`$PENG_DIR` shell environment variable:
        
        	.. code-block:: bash
        
        		$ "${PENG_DIR}"/pypkg/complete-cloning.sh
                        Installing Git hooks
                        Building peng package documentation
                        ...
        
        4. Ensure that the Python interpreter can find the package modules
           (update the :bash:`$PYTHONPATH` environment variable, or use
           `sys.paths() <https://docs.python.org/3/library/sys.html#sys.path>`_,
           etc.)
        
        	.. code-block:: bash
        
        		$ export PYTHONPATH=${PYTHONPATH}:${PENG_DIR}
        
        5. Install the dependencies (if needed, done automatically by pip):
        
            .. [[[cog
            .. import docs.support.requirements_to_rst
            .. docs.support.requirements_to_rst.proc_requirements(cog)
            .. ]]]
        
        
            * `Astroid`_ (1.3.8 or newer)
        
            * `Cog`_ (2.4 or newer)
        
            * `Coverage`_ (3.7.1 or newer)
        
            * `Decorator`_ (3.4.2 or newer)
        
            * `Docutils`_ (0.12 or newer)
        
            * `Funcsigs`_ (Python 2.x only, 0.4 or newer)
        
            * `Inline Syntax Highlight Sphinx Extension`_ (0.2 or newer)
        
            * `Mock`_ (Python 2.x only, 1.0.1 or newer)
        
            * `Numpy`_ (1.8.2 or newer)
        
            * `Pexdoc`_ (1.1.1 or newer)
        
            * `Pmisc`_ (1.5.5 or newer)
        
            * `Py.test`_ (2.7.0 or newer)
        
            * `PyParsing`_ (2.0.7 or newer)
        
            * `Pylint`_ (1.3.1 or newer)
        
            * `Pytest-coverage`_ (1.8.0 or newer except 2.3.0)
        
            * `Pytest-pmisc`_ (1.0.6 or newer)
        
            * `Pytest-xdist`_ (optional, 1.8.0 or newer)
        
            * `ReadTheDocs Sphinx theme`_ (0.1.9 or newer)
        
            * `Scipy`_ (0.13.3 or newer)
        
            * `Shellcheck Linter Sphinx Extension`_ (1.0.5 or newer)
        
            * `Six`_ (1.4.0 or newer)
        
            * `Sphinx`_ (1.5 or newer)
        
            * `Tox`_ (1.9.0 or newer)
        
            * `Virtualenv`_ (13.1.2 or newer)
        
            .. [[[end]]]
        
        6. Implement a new feature or fix a bug
        
        7. Write a unit test which shows that the contributed code works as expected.
           Run the package tests to ensure that the bug fix or new feature does not
           have adverse side effects. If possible achieve 100% code and branch
           coverage of the contribution. Thorough package validation
           can be done via Tox and Py.test:
        
        	.. code-block:: bash
        
                    $ tox
                    GLOB sdist-make: .../peng/setup.py
                    py26-pkg inst-nodeps: .../peng/.tox/dist/peng-...zip
        
           `Setuptools <https://bitbucket.org/pypa/setuptools>`_ can also be used
           (Tox is configured as its virtual environment manager):
        
        	.. code-block:: bash
        
        	    $ python setup.py tests
                    running tests
                    running egg_info
                    writing requirements to peng.egg-info/requires.txt
                    writing peng.egg-info/PKG-INFO
                    ...
        
           Tox (or Setuptools via Tox) runs with the following default environments:
           ``py27-pkg``, ``py35-pkg``, ``py36-pkg`` and ``py37-pkg`` [#f3]_. These use
           the 2.7, 3.5, 3.6 and 3.7 interpreters, respectively, to test all code in the
           documentation (both in Sphinx ``*.rst`` source files and in docstrings), run
           all unit tests, measure test coverage and re-build the exceptions
           documentation. To pass arguments to Py.test (the test runner) use a double
           dash (``--``) after all the Tox arguments, for example:
        
        	.. code-block:: bash
        
        	    $ tox -e py27-pkg -- -n 4
                    GLOB sdist-make: .../peng/setup.py
                    py27-pkg inst-nodeps: .../peng/.tox/dist/peng-...zip
                    ...
        
           Or use the :code:`-a` Setuptools optional argument followed by a quoted
           string with the arguments for Py.test. For example:
        
        	.. code-block:: bash
        
        	    $ python setup.py tests -a "-e py27-pkg -- -n 4"
                    running tests
                    ...
        
           There are other convenience environments defined for Tox [#f3]_:
        
            * ``py27-repl``, ``py35-repl``, ``py36-repl`` and ``py37-repl`` run the 2.7,
              3.5, 3.6 or 3.7 REPL, respectively, in the appropriate virtual
              environment. The ``peng`` package is pip-installed by Tox when the
              environments are created.  Arguments to the interpreter can be passed in
              the command line after a double dash (``--``)
        
            * ``py27-test``, ``py35-test``, ``py36-test`` and ``py37-test`` run py.test
              using the Python 2.7, 3.5, Python 3.6 or Python 3.7 interpreter,
              respectively, in the appropriate virtual environment. Arguments to py.test
              can be passed in the command line after a double dash (``--``) , for
              example:
        
        	.. code-block:: bash
        
        	    $ tox -e py36-test -- -x test_peng.py
                    GLOB sdist-make: [...]/peng/setup.py
                    py36-test inst-nodeps: [...]/peng/.tox/dist/peng-1.1rc1.zip
                    py36-test installed: -f file:[...]
                    py36-test runtests: PYTHONHASHSEED='1264622266'
                    py36-test runtests: commands[0] | [...]py.test -x test_peng.py
                    ===================== test session starts =====================
                    platform linux -- Python 3.6.4, pytest-3.3.1, py-1.5.2, pluggy-0.6.0
                    rootdir: [...]/peng/.tox/py36/share/peng/tests, inifile: pytest.ini
                    plugins: xdist-1.21.0, forked-0.2, cov-2.5.1
                    collected 414 items
                    ...
        
            * ``py27-cov``, ``py35-cov``, ``py36-cov`` and ``py37-cov`` test code and
              branch coverage using the 2.7, 3.5, 3.6 or 3.7 interpreter, respectively,
              in the appropriate virtual environment. Arguments to py.test can be passed
              in the command line after a double dash (``--``). The report can be found
              in
              :bash:`${PENG_DIR}/.tox/py[PV]/usr/share/peng/tests/htmlcov/index.html`
              where ``[PV]`` stands for ``27``, ``35``, ``36`` or ``37`` depending on
              the interpreter used
        
        8. Verify that continuous integration tests pass. The package has continuous
           integration configured for Linux, Apple macOS and Microsoft Windows (all via
           `Azure DevOps <https://dev.azure.com/pmasdev>`_) Aggregation/cloud code
           coverage is configured via `Codecov <https://codecov.io>`_. It is assumed
           that the Codecov repository upload token in the build is stored in the
           :bash:`$(codecovToken)` environment variable (securely defined in the
           pipeline settings page).
        
        9. Document the new feature or bug fix (if needed). The script
           :bash:`${PENG_DIR}/pypkg/build_docs.py` re-builds the whole package
           documentation (re-generates images, cogs source files, etc.):
        
        	.. [[[cog pmisc.ste('build_docs.py -h', 0, mdir, cog.out) ]]]
        
        	.. code-block:: bash
        
        	    $ ${PKG_BIN_DIR}/build_docs.py -h
        	    usage: build_docs.py [-h] [-d DIRECTORY] [-r]
        	                         [-n NUM_CPUS] [-t]
        
        	    Build peng package documentation
        
        	    optional arguments:
        	      -h, --help            show this help message and exit
        	      -d DIRECTORY, --directory DIRECTORY
        	                            specify source file directory
        	                            (default ../peng)
        	      -r, --rebuild         rebuild exceptions documentation.
        	                            If no module name is given all
        	                            modules with auto-generated
        	                            exceptions documentation are
        	                            rebuilt
        	      -n NUM_CPUS, --num-cpus NUM_CPUS
        	                            number of CPUs to use (default: 1)
        	      -t, --test            diff original and rebuilt file(s)
        	                            (exit code 0 indicates file(s) are
        	                            identical, exit code 1 indicates
        	                            file(s) are different)
        
        	.. [[[end]]]
        
        .. rubric:: Footnotes
        
        .. [#f1] All examples are for the `bash <https://www.gnu.org/software/bash/>`_
           shell
        
        .. [#f2] It is assumed that all the Python interpreters are in the executables
           path. Source code for the interpreters can be downloaded from Python's main
           `site <https://www.python.org/downloads/>`_
        
        .. [#f3] Tox configuration largely inspired by
           `Ionel's codelog <https://blog.ionelmc.ro/2015/04/14/
           tox-tricks-and-patterns/>`_
        
        
        License
        =======
        
        The MIT License (MIT)
        
        Copyright (c) 2013-2019 Pablo Acosta-Serafini
        
        Permission is hereby granted, free of charge, to any person obtaining a copy
        of this software and associated documentation files (the "Software"), to deal
        in the Software without restriction, including without limitation the rights
        to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
        copies of the Software, and to permit persons to whom the Software is
        furnished to do so, subject to the following conditions:
        
        The above copyright notice and this permission notice shall be included in all
        copies or substantial portions of the Software.
        
        THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
        IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
        FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
        AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
        LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
        OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
        SOFTWARE.
        .. CHANGELOG.rst
        .. Copyright (c) 2013-2019 Pablo Acosta-Serafini
        .. See LICENSE for details
        
        Changelog
        =========
        
        * 1.0.7 [2019-03-08]: Dropped support for Python 2.6, 3.3 and 3.4. Updates
          to support newest versions of dependencies. Abstracted package management to
          a lightweight framework
        
        * 1.0.6 [2016-02-11]: Package build enhancements and fixes
        
        * 1.0.5 [2016-02-09]: Python 3.6 support
        
        * 1.0.4 [2016-09-19]: Fixed Touchstone read function for "MA" and "DB" formats
          where the angles were incorrectly treated as being in radians
        
        * 1.0.3 [2016-07-29]: Fixed resolution loss when writing Touchstone files
        
        * 1.0.2 [2016-07-25]:
        
           * Frequency vector is now always in Hertz regardless of unit used in
             Touchstone file
        
           * Minor documentation bug fixes
        
        * 1.0.1 [2016-06-11]: Minor documentation build bug fix
        
        * 1.0.0 [2016-05-12]: Final release of 1.0.0 branch
        
        * 1.0.0rc1 [2016-05-11]: Initial commit, forked a subset from putil PyPI
          package
        
Platform: any
Classifier: Programming Language :: Python :: 2.7
Classifier: Programming Language :: Python :: 3.5
Classifier: Programming Language :: Python :: 3.6
Classifier: Programming Language :: Python :: 3.7
Classifier: Development Status :: 5 - Production/Stable
Classifier: Natural Language :: English
Classifier: Environment :: Console
Classifier: Intended Audience :: Developers
Classifier: License :: OSI Approved :: MIT License
Classifier: Operating System :: OS Independent
Classifier: Topic :: Software Development :: Libraries :: Python Modules
