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A set of tools for simplifying reading and writing of single values to/from Redis.

Project description


A project to simplify reading/writing single objects from/to redis


Redis is a great way to share data between applications - or processes in an application. However, in its raw form, the application has to deal with data type conversion to/from string, check for existence, and other pesky stuff. It would be nice if that were abstracted in such a way to where it didn't appear in code that redis was being used at all.

This project seeks to allow the exchange of single data points in a readable way, eg. my_data.my_value = 30 (automatically writes '30' to redis)


pip install pyrediseasyio


The basis of functionality is the IOGroup class. It acts as a container for individual values and performs the behind-the-scenes reads and writes.

from io_group import IOGroup
from single_io import BooleanIO, IntIO, FloatIO

class TestGroup1(IOGroup):
    Bool1 = BooleanIO("Boolean 1", "Bool1", False)
    Bool2 = BooleanIO("Boolean 2", "Bool2", True)
    Int1 = IntIO("Integer 1", "Int1")
    Int2 = IntIO("Integer 2", "Int2", default=34)
    MyFloat1 = FloatIO("Float 1", "Float1", default=1.2)

class TestGroup2(IOGroup):
    Bool1 = BooleanIO("Boolean 1", "Bool1", False)
    Bool2 = BooleanIO("Boolean 2", "Bool2", True)
    Int1 = IntIO("Integer 1", "Int1")
    Int2 = IntIO("Integer 2", "Int2", default=34)
    Float1 = FloatIO("Float 1", "Float1", default=1.2)

group1a = TestGroup1()
group1b = TestGroup1()
group2 = TestGroup2()

group1a.MyFloat1 = 1234.5         # Performs redis 'set', sending 1234.5 with key 'Float1'
print(group1b.Float1.value)       # Performs redis 'get', calling 'value' converts to primitive type


For convenience, methods are provided to automatically generate html. The dominate library is used behind the scenes, giving you first class access to manipulate the html response; Below is an example of usage, consult the test cases for further examples.

class TestGroup(IOGroup):
    Bool1 = BooleanIO("Boolean 1", "Bool1", units="On/Off")
    Float1 = FloatIO("Float 1", "Float1", default=1.23, units="furlongs")

h = HMTLIOGroup(test_group, "my_id", "my_namespace").html().render()
print(h)  #-> Gives;

<div class="my_namespace_io_container" id="my_id_io_container">
  <div class="my_namespace_io" id="my_id_Bool1_io">
    <div class="my_namespace_io_name">Boolean 1</div>
    <div class="my_namespace_io_value" id="my_id_Bool1_io_value" onchange="OnIOValueChange(event)">False</div>
    <div class="my_namespace_io_units">On/Off</div>
  <div class="my_namespace_io" id="my_id_Float1_io">
    <div class="my_namespace_io_name">Float 1</div>
    <div class="my_namespace_io_value" id="my_id_Float1_io_value" onchange="OnIOValueChange(event)">1.23</div>
    <div class="my_namespace_io_units">furlongs</div>

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