PCF8574 simulation

This is a Python library you can use when working with the pcf8574 library. It works exactly the same as the original library, but is intended for testing purposes when the I²C-Bus hardware is not connected.

Installation

pip install pcf8574_simulation

Usage

You have different options to use this as an alternative to the original library.

For example, you can import the correct library depending on which is installed on your system:

try:
    from pcf8574 import PCF8574, IOPort
except ImportError:
    print("No I2C bus package found. Starting simulation")
    from pcf8574_simulation import PCF8574, IOPort

Then you can use the PCF8574 class as usual:

pcf = PCF8574(1, 0x20)
print(pcf.port)  # [True, True, True, True, True, True, True, True]
pcf.port[0] = False
print(pcf.port[0])  # False

Metadata

Release files for pcf8574-simulation 0.0.1

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Source distribution for pcf8574-simulation 0.0.1
File	Size	Uploaded	Provenance	Actions
pcf8574_simulation-0.0.1.tar.gz	2.5 kB	Apr 4, 2025	Without provenance	Details for pcf8574_simulation-0.0.1.tar.gz

Built distribution (wheel)

Table of built distributions (wheels) for pcf8574-simulation 0.0.1
File	Interpreter	ABI	Platform	Actions Reset
pcf8574_simulation-0.0.1-py3-none-any.whl 3.4 kB Apr 4, 2025 Without provenance	Python 3	none	any	Details for pcf8574_simulation-0.0.1-py3-none-any.whl

Total release size: 5.9 kB

Release files / pcf8574_simulation-0.0.1.tar.gz

Download URL	pcf8574_simulation-0.0.1.tar.gz
Size	2.5 kB
Tags	Source
SHA-256 checksum How to use checksums	`4fb8884fab6ab85a579b0f1be83b44670a6b9fe0ea6c7fe760f22f2201de25d5`
BLAKE2b-256 checksum How to use checksums	`fb4685584767ab3c5fbb9ceadf89bb03ec172add63044ec8e45fa85e6c8ada0a`
Upload date	Apr 4, 2025
Uploaded using Trusted Publishing? What is trusted publishing?	No
Uploaded via	`twine/6.1.0 CPython/3.13.1`

Release files / pcf8574_simulation-0.0.1-py3-none-any.whl

Download URL	pcf8574_simulation-0.0.1-py3-none-any.whl
Size	3.4 kB
Tags	Python 3
SHA-256 checksum How to use checksums	`3403bfd11462f110bd225515eb045743e9cdd792d8ebc3ba2153968e5fd4d480`
BLAKE2b-256 checksum How to use checksums	`0664f1478fbb925fad8b63d3a53799d814f4dc53d48a21db016cf54b792171f0`
Upload date	Apr 4, 2025
Uploaded using Trusted Publishing? What is trusted publishing?	No
Uploaded via	`twine/6.1.0 CPython/3.13.1`

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Apr 4, 2025 2 release files No provenance

pcf8574-simulation 0.0.1