PyVenv - provide Makefile building a virtual environment (#16)

* provide Make environment to create virtual Python environment

* add magic folder to gitignore

* README, add udev rule

* Makefile - replace "source" with . for POSIC compatibility

Co-authored-by: Felipe Martin Garcia <me@fmartingr.com>

Co-authored-by: Sebastian Mangelsen (sebman) <sebastian.mangelsen@benify.com>
Co-authored-by: Felipe Martin Garcia <me@fmartingr.com>

.gitignore

@@ -88,3 +88,4 @@ ENV/
 
 # Rope project settings
 .ropeproject
+.built/

Makefile

@@ -0,0 +1,34 @@
+all: test
+
+venv: .built/venv
+
+.built/venv: .built/
+	( \
+		python3 -m venv venv ;\
+		source venv/bin/activate ;\
+		pip install --upgrade pip ;\
+		pip install --upgrade -r requirements.txt ;\
+		touch $@ ;\
+	)
+
+test: venv
+	( \
+		. venv/bin/activate ;\
+		python3 setup.py install ;\
+		luxa off ;\
+		sleep 1 ;\
+		luxa set --led=all ff0000 ;\
+		sleep 1 ;\
+		luxa set --led=all 00ff00 ;\
+		sleep 1 ;\
+		luxa set --led=all 0000ff ;\
+		sleep 1 ;\
+		luxa off ;\
+	)
+
+.built/:
+	@mkdir -p $@
+
+clean:
+	rm -rf venv/
+	rm -rf .built/

README.md

@@ -10,6 +10,22 @@ cd pyluxafor
 python3 setup.py install
 ```
 
+## Ensure that USB device gets proper permissions
+
+Create UDEV rule in /etc/udev/rules.d/60-luxafor.rules with the following content
+```
+# add Luxafor LED flag
+SUBSYSTEMS=="usb", ATTR{idVendor}=="04d8", ATTR{idProduct}=="f372", MODE:="0666"
+```
+
+Reload udev configuration files
+
+```shell
+sudo udevadm control --reload && sudo udevadm trigger
+```
+
+Reinsert the Luxafor LED light.
+
 ## Using the CLI
 
 Pyluxafor provides the `luxa` command to interact with the USB led in the same way as the library