small fixes

Author: MelvinKl

Makefile

@@ -1,17 +1,16 @@
 SERVICES_DIR := services
 
 install:
-	@for f in $(shell ls ${SERVICES_DIR}); do pip install ${SERVICES_DIR}/$${f}; done
+	@for f in $(shell ls ${SERVICES_DIR}); do poetry install -C ${SERVICES_DIR}/$${f}; done
 
 install-dev:
-	@for f in $(shell ls ${SERVICES_DIR}); do pip install -e ${SERVICES_DIR}/$${f}[dev]; done
+	@for f in $(shell ls ${SERVICES_DIR}); do pip install -e ${SERVICES_DIR}/$${f};poetry install -C ${SERVICES_DIR}/$${f} --only dev --no-root; done
 
 test:
-	@for f in $(shell ls ${SERVICES_DIR}); do cd ${SERVICES_DIR}/$${f}; pytest; cd ../..; done
+	@for f in $(shell ls ${SERVICES_DIR}); do  set -e; cd ${SERVICES_DIR}/$${f}; pytest; cd ../..; done
 
 lint:
 	# lint examples
 	flake8 --toml-config $(word 1, $(wildcard $(SERVICES_DIR)/*))/pyproject.toml --black-config $(word 1, $(wildcard $(SERVICES_DIR)/*))/pyproject.toml examples; 
 	# lint services
-	@for f in $(shell ls ${SERVICES_DIR}); do cd ${SERVICES_DIR}/$${f}; flake8 .; cd ../..; done
-
+	@for f in $(shell ls ${SERVICES_DIR}); do set -e; cd ${SERVICES_DIR}/$${f};flake8 .; cd ../..; done

README.md

@@ -29,9 +29,13 @@ This allows you to use any services that the SDK offers.
 
 
 ## Installation from source
+For an installation from source `poetry` is required.
+It can be installed with the following command:
+```bash
+pip install poetry
+```
 
-You can also install the packages from source by replacing the package-name by the path to the code.
-The path can be local, but can also point to a git-repository. For an installation using local code from the root folder of the repository this can look like the following:
+In order to install the code from source you have to execute the following code:
 ```bash
 pip install services/<service-name>
 ```