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        "author": "Karl-Petter Lindegaard",
        "author_email": "kp.lindegaard@gmail.com",
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        "classifiers": [
            "Development Status :: 4 - Beta",
            "License :: OSI Approved :: MIT License",
            "Programming Language :: Python :: 2",
            "Programming Language :: Python :: 2.7",
            "Programming Language :: Python :: 3",
            "Programming Language :: Python :: 3.4",
            "Programming Language :: Python :: 3.5",
            "Programming Language :: Python :: 3.6",
            "Programming Language :: Python :: 3.7",
            "Topic :: Utilities"
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        "description": "smbus2\n======\nA drop-in replacement for smbus-cffi/smbus-python in pure Python\n\n|travis| |rtfd|\n\n.. |travis| image:: https://travis-ci.org/kplindegaard/smbus2.svg?branch=master\n     :target: https://travis-ci.org/kplindegaard/smbus2\n\n.. |rtfd| image:: https://readthedocs.org/projects/smbus2/badge/?version=latest\n     :target: http://smbus2.readthedocs.io/en/latest/?badge=latest\n     :alt: Documentation Status\n\n.. image:: https://img.shields.io/pypi/dm/smbus2?label=PyPI%20Downloads\n\nIntroduction\n============\n\nsmbus2 is (yet another) pure Python implementation of the `python-smbus <http://www.lm-sensors.org/browser/i2c-tools/trunk/py-smbus/>`_ package.\n\nIt was designed from the ground up with two goals in mind:\n\n1. It should be a drop-in replacement of smbus. The syntax shall be the same.\n2. Use the inherent i2c structs and unions to a greater extent than other pure Python implementations like `pysmbus <https://github.com/bjornt/pysmbus>`_ does. By doing so, it will be more feature complete and easier to extend.\n\nCurrently supported features are:\n\n* Get i2c capabilities (I2C_FUNCS)\n* read_byte\n* write_byte\n* read_byte_data\n* write_byte_data\n* read_word_data\n* write_word_data\n* read_i2c_block_data\n* write_i2c_block_data\n* write_quick\n* process_call\n* read_block_data\n* write_block_data\n* block_process_call\n* i2c_rdwr - *combined write/read transactions with repeated start*\n\nIt is developed on Python 2.7 but works without any modifications in Python 3.X too.\n\nSMBus code examples\n===================\n\nsmbus2 installs next to smbus as the package, so it's not really a 100% replacement. You must change the module name.\n\nExample 1a: Read a byte\n-----------------------\n\n.. code:: python\n\n    from smbus2 import SMBus\n\n    # Open i2c bus 1 and read one byte from address 80, offset 0\n    bus = SMBus(1)\n    b = bus.read_byte_data(80, 0)\n    print(b)\n    bus.close()\n\nExample 1b: Read a byte using 'with'\n------------------------------------\n\nThis is the very same example but safer to use since the smbus will be closed automatically when exiting the with block.\n\n.. code:: python\n\n    from smbus2 import SMBus\n\n    with SMBus(1) as bus:\n        b = bus.read_byte_data(80, 0)\n        print(b)\n\nExample 2: Read a block of data\n-------------------------------\n\nYou can read up to 32 bytes at once.\n\n.. code:: python\n\n    from smbus2 import SMBus\n\n    with SMBus(1) as bus:\n        # Read a block of 16 bytes from address 80, offset 0\n        block = bus.read_i2c_block_data(80, 0, 16)\n        # Returned value is a list of 16 bytes\n        print(block)\n\nExample 3: Write a byte\n-----------------------\n\n.. code:: python\n\n    from smbus2 import SMBus\n\n    with SMBus(1) as bus:\n        # Write a byte to address 80, offset 0\n        data = 45\n        bus.write_byte_data(80, 0, data)\n\nExample 4: Write a block of data\n--------------------------------\n\nIt is possible to write 32 bytes at the time, but I have found that error-prone. Write less and add a delay in between if you run into trouble.\n\n.. code:: python\n\n    from smbus2 import SMBus\n\n    with SMBus(1) as bus:\n        # Write a block of 8 bytes to address 80 from offset 0\n        data = [1, 2, 3, 4, 5, 6, 7, 8]\n        bus.write_i2c_block_data(80, 0, data)\n\n\nI2C\n===\n\nStarting with v0.2, the smbus2 library also has support for combined read and write transactions. *i2c_rdwr* is not really a SMBus feature but comes in handy when the master needs to:\n\n1. read or write bulks of data larger than SMBus' 32 bytes limit.\n\n2. write some data and then read from the slave with a repeated start and no stop bit between.\n\nEach operation is represented by a *i2c_msg* message object.\n\n\nExample 5: Single i2c_rdwr\n--------------------------\n\n.. code:: python\n\n    from smbus2 import SMBus, ic_msg\n\n    with SMBus(1) as bus:\n        # Read 64 bytes from address 80\n        msg = i2c_msg.read(80, 64)\n        bus.i2c_rdwr(msg)\n\n        # Write some bytes to address 80\n        msg = i2c_msg.write(80, [65, 66, 67, 68])\n        bus.i2c_rdwr(msg)\n\n\nExample 6: Dual i2c_rdwr\n------------------------\n\nTo perform dual operations just add more i2c_msg instances to the bus call:\n\n.. code:: python\n\n    from smbus2 import SMBus, ic_msg\n\n    # Single transaction writing two bytes then read two at address 80\n    write = i2c_msg.write(80, [40, 50])\n    read = i2c_msg.read(80, 2)\n    with SMBus(1) as bus:\n        bus.i2c_rdwr(write, read)\n\n\nExample 7: Access i2c_msg data\n------------------------------\n\nAll data is contained in the i2c_msg instances. Here are some data access alternatives.\n\n.. code:: python\n\n        # 1: Convert message content to list\n        msg = i2c_msg.write(60, [1, 2, 3, 4, 5, 6, 7, 8, 9, 10])\n        data = list(msg)  # data = [1, 2, 3, ...]\n        print(len(data))  # => 10\n\n        # 2: i2c_msg is iterable\n        for value in msg:\n            print(value)\n\n        # 3: Through i2c_msg properties\n        for k in range(msg.len):\n            print(msg.buf[k])\n\n\nInstallation instructions\n=========================\n\nsmbus2 is pure Python code and requires no compilation. Installation is easy:\n\n.. code:: bash\n\n    python setup.py install\n\nOr just use pip\n\n.. code:: bash\n\n    pip install smbus2",
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