adds basic rasa adapter

Author: Johannes Hötter

.gitignore

@@ -1,3 +1,4 @@
+data/
 .vscode/
 secrets.json
 

kern/adapter/__init__.py

@@ -0,0 +1,45 @@
+import yaml
+import os
+from collections import OrderedDict
+
+
+class literal(str):
+    pass
+
+
+def literal_presenter(dumper, data):
+    return dumper.represent_scalar("tag:yaml.org,2002:str", data, style="|")
+
+
+yaml.add_representer(literal, literal_presenter)
+
+
+def ordered_dict_presenter(dumper, data):
+    return dumper.represent_dict(data.items())
+
+
+yaml.add_representer(OrderedDict, ordered_dict_presenter)
+
+
+def build_literal_from_iterable(iterable):
+    return "\n".join([f"- {value}" for value in iterable]) + "\n"
+
+
+def build_intent_yaml(
+    client, input_name, label_name, dir_name="data", file_name="nlu.yml"
+):
+    df = client.get_record_export(tokenize=False)
+
+    nlu_list = []
+    for label, df_label in df.groupby(label_name):
+        literal_string = build_literal_from_iterable(df_label[input_name].tolist())
+        nlu_list.append(OrderedDict(intent=label, examples=literal(literal_string)))
+    nlu_dict = OrderedDict(nlu=nlu_list)
+
+    if dir_name is not None and not os.path.isdir(dir_name):
+        os.mkdir(dir_name)
+
+    file_path = os.path.join(dir_name, file_name)
+
+    with open(file_path, "w") as f:
+        yaml.dump(nlu_dict, f, allow_unicode=True)

kern/adapter/rasa.py

@@ -7,6 +7,8 @@ backcall==0.2.0
 beautifulsoup4==4.11.1
 black==22.3.0
 bleach==5.0.0
+boto3==1.23.1
+botocore==1.26.1
 certifi==2021.10.8
 cffi==1.15.0
 charset-normalizer==2.0.12
@@ -24,14 +26,14 @@ ipython-genutils==0.2.0
 ipywidgets==7.7.0
 jedi==0.18.1
 Jinja2==3.1.2
+jmespath==1.0.0
 jsonschema==4.5.1
 jupyter==1.0.0
 jupyter-client==7.3.1
 jupyter-console==6.4.3
 jupyter-core==4.10.0
 jupyterlab-pygments==0.2.2
 jupyterlab-widgets==1.1.0
-kern-python-client @ file:///Users/jhoetter/repos/kern-python
 MarkupSafe==2.1.1
 matplotlib-inline==0.1.3
 minio==7.1.8
@@ -62,10 +64,12 @@ pyparsing==3.0.9
 pyrsistent==0.18.1
 python-dateutil==2.8.2
 pytz==2022.1
+PyYAML==6.0
 pyzmq==22.3.0
 qtconsole==5.3.0
 QtPy==2.1.0
 requests==2.27.1
+s3transfer==0.5.2
 Send2Trash==1.8.0
 six==1.16.0
 soupsieve==2.3.2.post1