Resolve a gihub python-processor issue 2

dataflow-website/recipes/polyglot/polyglot-python-processor/util/task_args.py

@@ -0,0 +1,33 @@
+import os
+import sys
+from collections import defaultdict
+
+def get_cmd_arg(name):
+    d = defaultdict(list)
+    for cmd_args in sys.argv[1:]:
+        cmd_arg = cmd_args.split('=')
+        if len(cmd_arg) == 2:
+            d[cmd_arg[0].lstrip('-')].append(cmd_arg[1])
+
+    if name in d:
+        return d[name][0]
+    else:
+        print('Unknown command line arg requested: {}'.format(name))
+
+def get_env_var(name):
+    if name in os.environ:
+        return os.environ[name]
+    else:
+        print('Unknown environment variable requested: {}'.format(name))
+            
+def get_kafka_binder_brokers():
+    return get_env_var('SPRING_CLOUD_STREAM_KAFKA_BINDER_BROKERS')
+
+def get_input_channel():
+    return get_cmd_arg("spring.cloud.stream.bindings.input.destination")
+
+def get_output_channel():
+    return get_cmd_arg("spring.cloud.stream.bindings.output.destination")
+
+def get_reverse_string():
+    return get_cmd_arg("reverestring")