Simplify dependencies

.github/workflows/control-build.yml

@@ -30,7 +30,7 @@ jobs:
       - uses: actions/checkout@v4
 
       - name: Install poetry
-        run: pipx install poetry==1.7.1
+        run: pipx install poetry==2.1.2
 
       - name: Set up Python
         uses: actions/setup-python@v5
@@ -43,7 +43,8 @@ jobs:
       - name: Install build dependencies
         run: |
           sudo apt-get install -y libcap-dev
-          poetry -C ./control/ install --with dev,hw-dev --no-root
+          poetry -C ./control/ install --with dev --no-root
 
       - name: Run checks
-        run: poetry -C ./control/ run poe --root ./control/ check
+        working-directory: ./control
+        run: poetry run poe check

README.md

@@ -15,10 +15,6 @@ This repository contains the PlanktoScope's backend software services implementi
 - Data processing: transforms raw data into processed data for downstream analysis and quantification. Currently, data processing functionality consists of:
   - [Object isolation and segmentation](./processing/segmenter/README.md): detects objects from camera frames and creates an image for each isolated object, with the background removed.
 
-## Usage
-
-TBD
-
 ## Licensing
 
 Except where otherwise indicated, source code provided here is covered by the following information:

control/README.md

@@ -19,11 +19,13 @@ However, the organization of the source code does not yet reflect the organizati
 
 Currently the hardware controller can only be deployed as part of the distro setup scripts at [github.com/PlanktoScope/PlanktoScope](https://github.com/PlanktoScope/PlanktoScope).
 
+Please note that for camera we rely on the Raspberry OS packages `python3-picamera2` and `python3-libcamera`.
+
 ### Development
 
 To install all dependencies including development tooling, run:
 ```
-poetry install --with dev,hw-dev --no-root
+poetry install --with dev --no-root
 ```
 
 Then you can run the code auto-formatter on the project by running:
@@ -51,8 +53,8 @@ needed.
 
 To use this project, you'll need:
 
-- Python 3.9
-- Poetry 1.4.2
+- Python >= 3.9
+- Poetry 2.1.2
 
 ## Licensing
 

control/planktoscopehat/planktoscope/light.py

@@ -41,7 +41,7 @@ class Register(enum.IntEnum):
 
     def __init__(self):
         # The led is controlled by LM36011
-        # but on version < 2 of the PlanktoScope hat (for example PlanktoScope v2.6)
+        # but on version 1.2 of the PlanktoScope HAT (PlanktoScope v2.6)
         # the circuit is connected to that pin so it needs to be high
         # pin is assigned to self to prevent gpiozero from immediately releasing it
         self.__pin = DigitalOutputDevice(pin=18, initial_value=True)

control/poetry.toml

@@ -0,0 +1,2 @@
+[virtualenvs.options]
+system-site-packages = true

control/pyproject.toml

@@ -33,42 +33,20 @@ build-backend = "poetry.core.masonry.api"
 
 [tool.poetry.dependencies]
 python = ">=3.9.2"
-paho-mqtt = "~1.6.1"
-loguru = "~0.5.3"
-readerwriterlock = "~1.0.9"
+paho-mqtt = "^1.6.1"
+loguru = "^0.5.3"
+readerwriterlock = "^1.0.9"
 
 [tool.poetry.group.hw.dependencies]
-rpi-gpio = "~0.7.0"
-adafruit-blinka = "~8.19.0"
-adafruit-circuitpython-motorkit = "~1.6.3"
-adafruit-circuitpython-motor = "~3.3.1"
-adafruit-ssd1306 = "~1.6.2"
-adafruit-platformdetect = "~3.45.2"
-smbus2 = "~0.4.1"
-spidev = "~3.5"
+rpi-gpio = "^0.7.0"
+adafruit-blinka = "^8.19.0"
+adafruit-circuitpython-motorkit = "^1.6.3"
+adafruit-circuitpython-motor = "^3.3.1"
+adafruit-ssd1306 = "^1.6.2"
+adafruit-platformdetect = "^3.45.2"
+smbus2 = "^0.4.1"
+spidev = "^3.5"
 gpiozero = "^2.0.1"
-# Note: the following packages are only indirect dependencies, but we need to download wheels from
-# the appropriate sources, so we must explicitly select them here
-rpi-ws281x = "~5.0.0"
-sysv-ipc = "~1.1.0"
-
-[tool.poetry.group.hw-dev]
-optional = true
-
-# Note: the following packages are only indirect dependencies of picamera2, and on the RPi we use
-# the system's installation of them (managed by apt-get) because poetry tries to build them from
-# source instead of installing the armv7l wheels. Maybe poetry is messing up at detecting the
-# machine platform or something.
-[tool.poetry.group.hw-dev.dependencies]
-# v1.19.5 (the version from the RPi on bullseye) fails to install in GitHub Actions, so we just use
-# the latest version and hope that the differences won't be significant enough to cause a mismatch
-# between CI and the production environment (i.e. the RPi):
-picamera2 = "==0.3.12"
-numpy = "~1.26.4"
-pidng = "~4.0.9"
-simplejpeg = "~1.6.4"
-pillow = "~10.2.0"
-av = "~10.0.0"
 
 [tool.poetry.group.dev]
 optional = true
@@ -84,6 +62,7 @@ flake8-import-restrictions = "^2.0.1"
 pylint = "^3.1.0"
 pylint-google-style-guide-imports-enforcing = "^1.3.0"
 types-paho-mqtt = "^1.6.0.20240106"
+picamera2 = "^0.3.25"
 
 [tool.black]
 # We are gradually introducing standard formatting as we rewrite each module; we haven't rewritten

processing/segmenter/Dockerfile

@@ -24,7 +24,7 @@ WORKDIR /home/pi/device-backend/processing/segmenter
 COPY --chown=pi:pi pyproject.toml poetry.lock ./
 RUN \
   export PATH="/home/pi/.local/bin:$PATH" && \
-  pip install --no-cache-dir cryptography==43.0.3 poetry==1.7.1 \
+  pip install --no-cache-dir cryptography==43.0.3 poetry==2.1.2 \
     --extra-index-url https://www.piwheels.org/simple && \
   poetry install --no-root --only main --compile && \
   poetry --no-interaction cache list && \

processing/segmenter/README.md

@@ -18,6 +18,13 @@ Currently, the simplest way to deploy the segmenter on any computer is using the
 
 TBD
 
+### Prerequisites
+
+To use this project, you'll need:
+
+- Python >= 3.9
+- Poetry 2.1.2
+
 ## Licensing
 
 Except where otherwise indicated, source code provided here is covered by the following information: