Merge pull request #19 from autometrics-dev/update_example_readme

Update examples

Author: v-aparna

examples/README.md

@@ -1,6 +1,10 @@
 # autometrics-py examples
 
-You should be able to run each example by executing `python examples/<example>.py` from the root of the repo.
+You should be able to run each example by:
+
+- cloning this repository
+- run `poetry install --with examples`
+- and execute `poetry run python examples/<example>.py` from the root of the repo.
 
 You can change the base url for Prometheus links via the `PROMETHEUS_URL` environment variable. So, if your local Prometheus were on a non-default port, like 9091, you would run:
 

examples/example.py

@@ -69,13 +69,31 @@ def random_error():
 # Enter an infinite loop (with a 2 second sleep period), calling the "div_handled", "add", and "div_unhandled" methods,
 # in order to generate metrics.
 while True:
-    ops.div_handled(2, 0)
+    try:
+        ops.div_handled(2, 0)
+    except Exception:
+        pass
+
     ops.add(1, 2)
     ops.div_handled(2, 1)
-    # Randomly call `div_unhandled` with a 50/50 chance of raising an error
-    div_unhandled(2, random.randint(0, 1))
+
+    try:
+        # Randomly call `div_unhandled` with a 50/50 chance of raising an error
+        div_unhandled(2, random.randint(0, 1))
+    except Exception:
+        pass
+
     ops.add(1, 2)
     time.sleep(2)
-    # Call `div_unhandled` such that it raises an error
-    div_unhandled(2, 0)
-    random_error()
+
+    try:
+        # Call `div_unhandled` such that it raises an error
+        div_unhandled(2, 0)
+    except Exception:
+        pass
+
+    try:
+        # Call random_error. It will randomly raise an error or return "ok"
+        random_error() 
+    except Exception:
+        pass

pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "autometrics"
-version = "0.3"
+version = "0.4"
 description = "Easily add metrics to your system – and actually understand them using automatically customized Prometheus queries"
 authors = ["Fiberplane <info@fiberplane.com>"]
 license = "MIT OR Apache-2.0"