crea 0.1.6

crea - Unofficial Python Library for Crea

crea is an unofficial python library for crea, which is created new from scratch from python-bitshares The library name is derived from a beam machine, similar to the analogy between crea and steam. crea includes python-graphenelib.

Current build status

Support & Documentation

You may find help in the crea-discord-channel. The discord channel can also be used to discuss things about crea.

A complete library documentation is available at crea.readthedocs.io.

Advantages over the official crea-python library

• High unit test coverage

• Support for websocket nodes

• Native support for new Appbase calls

• Node error handling and automatic node switching

• Usage of pycryptodomex instead of the outdated pycrypto

• Complete documentation of creapy and all classes including all functions

• creaconnect integration

• Works on read-only systems

• Own BlockchainObject class with cache

• Contains all broadcast operations

• Estimation of virtual account operation index from date or block number

• the command line tool creapy uses click and has more commands

• CreaNodeRPC can be used to execute even not implemented RPC-Calls

• More complete implemention

Installation

The minimal working python version is 2.7.x. or 3.4.x

crea can be installed parallel to python-crea.

For Debian and Ubuntu, please ensure that the following packages are installed:

sudo apt-get install build-essential libssl-dev python-dev

For Fedora and RHEL-derivatives, please ensure that the following packages are installed:

sudo yum install gcc openssl-devel python-devel

For OSX, please do the following:

brew install openssl
export CFLAGS="-I$(brew --prefix openssl)/include $CFLAGS"
export LDFLAGS="-L$(brew --prefix openssl)/lib $LDFLAGS"

For Termux on Android, please install the following packages:

pkg install clang openssl-dev python-dev

Signing and Verify can be fasten (200 %) by installing cryptography:

pip install -U cryptography

or:

pip install -U secp256k1prp

Install or update crea by pip:

pip install -U crea

You can install crea from this repository if you want the latest but possibly non-compiling version:

git clone https://github.com/holgern/crea.git
cd crea
python setup.py build

python setup.py install --user

Run tests after install:

pytest

conda config --add channels conda-forge

conda install crea

conda install cryptography

conda update crea

Changelog

Can be found in CHANGELOG.rst.

License

This library is licensed under the MIT License.

Acknowledgements

python-bitshares and python-graphenelib were created by Fabian Schuh (xeroc).