Metadata-Version: 2.1
Name: web3
Version: 5.0.0b1
Summary: Web3.py
Home-page: https://github.com/ethereum/web3.py
Author: Piper Merriam
Author-email: pipermerriam@gmail.com
License: MIT
Keywords: ethereum
Platform: UNKNOWN
Classifier: Development Status :: 5 - Production/Stable
Classifier: Intended Audience :: Developers
Classifier: License :: OSI Approved :: MIT License
Classifier: Natural Language :: English
Classifier: Programming Language :: Python :: 3
Classifier: Programming Language :: Python :: 3.6
Classifier: Programming Language :: Python :: 3.7
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Web3.py
=======

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|Build Status|

A Python implementation of
`web3.js <https://github.com/ethereum/web3.js>`__

-  Python 3.6+ support

Read more in the `documentation on
ReadTheDocs <http://web3py.readthedocs.io/>`__. `View the change log on
Github <docs/releases.rst>`__.

Developer Setup
---------------

.. code:: sh

   git clone git@github.com:ethereum/web3.py.git
   cd web3.py

Please see OS-specific instructions for:

-  `Linux <docs/README-linux.md#Developer-Setup>`__
-  `Mac <docs/README-osx.md#Developer-Setup>`__
-  `Windows <docs/README-windows.md#Developer-Setup>`__
-  `FreeBSD <docs/README-freebsd.md#Developer-Setup>`__

Then run these install commands:

.. code:: sh

   virtualenv venv
   . venv/bin/activate
   pip install -e .[dev]

For different environments, you can set up multiple ``virtualenv``. For
example, if you want to create a ``venvdocs``, then you do the
following:

.. code:: sh

   virtualenv venvdocs
   . venvdocs/bin/activate
   pip install -e .[docs]
   pip install -e .

Using Docker
------------

If you would like to develop and test inside a Docker environment, use
the *sandbox* container provided in the **docker-compose.yml** file.

To start up the test environment, run:

::

   docker-compose up -d

This will build a Docker container set up with an environment to run the
Python test code.

**Note: This container does not have ``go-ethereum`` installed, so you
cannot run the go-ethereum test suite.**

To run the Python tests from your local machine:

::

   docker-compose exec sandbox bash -c 'pytest -n 4 -f -k "not goethereum"'

You can run arbitrary commands inside the Docker container by using the
``bash -c`` prefix.

::

   docker-compose exec sandbox bash -c ''

Or, if you would like to just open a session to the container, run:

::

   docker-compose exec sandbox bash

Testing Setup
~~~~~~~~~~~~~

During development, you might like to have tests run on every file save.

Show flake8 errors on file change:

.. code:: sh

   # Test flake8
   when-changed -v -s -r -1 web3/ tests/ ens/ -c "clear; flake8 web3 tests ens && echo 'flake8 success' || echo 'error'"

You can use ``pytest-watch``, running one for every Python environment:

.. code:: sh

   pip install pytest-watch

   cd venv
   ptw --onfail "notify-send -t 5000 'Test failure ⚠⚠⚠⚠⚠' 'python 3 test on web3.py failed'" ../tests ../web3

Or, you can run multi-process tests in one command, but without color:

.. code:: sh

   # in the project root:
   pytest --numprocesses=4 --looponfail --maxfail=1
   # the same thing, succinctly:
   pytest -n 4 -f --maxfail=1

How to Execute the Tests?
^^^^^^^^^^^^^^^^^^^^^^^^^

1. `Setup your development
   environment <https://github.com/ethereum/web3.py/#developer-setup>`__.

2. Execute ``tox`` for the tests

There are multiple
`components <https://github.com/ethereum/web3.py/blob/master/.travis.yml#L53>`__
of the tests. You can run test to against specific component. For
example:

.. code:: sh

   # Run Tests for the Core component (for Python 3.5):
   tox -e py35-core

   # Run Tests for the Core component (for Python 3.6):
   tox -e py36-core

If for some reason it is not working, add ``--recreate`` params.

``tox`` is good for testing against the full set of build targets. But
if you want to run the tests individually, ``py.test`` is better for
development workflow. For example, to run only the tests in one file:

.. code:: sh

   py.test tests/core/gas-strategies/test_time_based_gas_price_strategy.py

Release setup
~~~~~~~~~~~~~

For Debian-like systems:

::

   apt install pandoc

To release a new version:

.. code:: sh

   make release bump=$$VERSION_PART_TO_BUMP$$

How to bumpversion
^^^^^^^^^^^^^^^^^^

The version format for this repo is ``{major}.{minor}.{patch}`` for
stable, and ``{major}.{minor}.{patch}-{stage}.{devnum}`` for unstable
(``stage`` can be alpha or beta).

To issue the next version in line, specify which part to bump, like
``make release bump=minor`` or ``make release bump=devnum``.

If you are in a beta version, ``make release bump=stage`` will switch to
a stable.

To issue an unstable version when the current version is stable, specify
the new version explicitly, like
``make release bump="--new-version 4.0.0-alpha.1 devnum"``

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