Add demo bot code

.gitignore

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+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+.idea/
+.DS_Store
+# emacs
+*~
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+pip-wheel-metadata/
+share/python-wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+MANIFEST
+
+# PyInstaller
+#  Usually these files are written by a python script from a template
+#  before PyInstaller builds the exe, so as to inject date/other infos into it.
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.nox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*.cover
+*.py,cover
+.hypothesis/
+.pytest_cache/
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+local_settings.py
+db.sqlite3
+db.sqlite3-journal
+
+# Flask stuff:
+instance/
+.webassets-cache
+
+# Scrapy stuff:
+.scrapy
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+target/
+
+# Jupyter Notebook
+.ipynb_checkpoints
+
+# IPython
+profile_default/
+ipython_config.py
+
+# pyenv
+.python-version
+# asdf
+.tool-versions
+
+# pipenv
+#   According to pypa/pipenv#598, it is recommended to include Pipfile.lock in version control.
+#   However, in case of collaboration, if having platform-specific dependencies or dependencies
+#   having no cross-platform support, pipenv may install dependencies that don't work, or not
+#   install all needed dependencies.
+#Pipfile.lock
+
+# PEP 582; used by e.g. github.com/David-OConnor/pyflow
+__pypackages__/
+
+# Celery stuff
+celerybeat-schedule
+celerybeat.pid
+
+# SageMath parsed files
+*.sage.py
+
+# Environments
+.env
+.venv
+env/
+venv/
+ENV/
+env.bak/
+venv.bak/
+
+# Spyder project settings
+.spyderproject
+.spyproject
+
+# Rope project settings
+.ropeproject
+
+# mkdocs documentation
+/site
+
+# mypy
+.mypy_cache/
+.dmypy.json
+dmypy.json
+
+# Pyre type checker
+.pyre/
+.rasa/
+models/

.vscode/launch.json

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+{
+    // Use IntelliSense to learn about possible attributes.
+    // Hover to view descriptions of existing attributes.
+    // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+    "version": "0.2.0",
+    "configurations": [
+        {
+            "name": "chat",
+            "type": "python",
+            "request": "launch",
+            "module": "rasa.__main__",
+            "args": ["inspect", "--debug"],
+            "cwd": "${workspaceFolder}",
+            "justMyCode": false,
+            "python": "${workspaceFolder}/.venv/bin/python"
+        },
+        {
+            "name": "train",
+            "type": "python",
+            "request": "launch",
+            "module": "rasa.__main__",
+            "args": ["train", "-c" ,"config.yml", "-d", "domain","--data", "data", "--debug",  "--force"],
+            "cwd": "${workspaceFolder}",
+            "justMyCode": false,
+            "python": "${workspaceFolder}/.venv/bin/python",
+        },
+        {
+            "name": "test",
+            "type": "python",
+            "request": "launch",
+            "module": "rasa.__main__",
+            "args": ["test", "e2e", "tests/"],
+            "cwd": "${workspaceFolder}",
+            "justMyCode": false,
+            "python": "${workspaceFolder}/.venv/bin/python",
+        },
+        {
+            "name": "train starter-pack-intentless-policy",
+            "type": "python",
+            "request": "launch",
+            "module": "rasa.__main__",
+            "args": ["train"],
+            "cwd": "${workspaceFolder}/../starter-pack-intentless-policy",
+            "justMyCode": false,
+            "python": "${workspaceFolder}/.venv/bin/python",
+        },
+        {
+            "name": "chat starter-pack-intentless-policy",
+            "type": "python",
+            "request": "launch",
+            "module": "rasa.__main__",
+            "args": ["shell", "--debug"],
+            "cwd": "${workspaceFolder}/../starter-pack-intentless-policy",
+            "justMyCode": false,
+            "python": "${workspaceFolder}/.venv/bin/python",
+        },
+        {
+            "name": "test example",
+            "type": "python",
+            "request": "launch",
+            "module": "rasa.__main__",
+            "args": ["test", "nlu", "--nlu", "tests/test_nlu.md"],
+            "cwd": "${workspaceFolder}/../example",
+            "justMyCode": false,
+            "python": "${workspaceFolder}/.venv/bin/python",
+        },
+        {
+            "name": "train example",
+            "type": "python",
+            "request": "launch",
+            "module": "rasa.__main__",
+            "args": ["train", "nlu"],
+            "cwd": "${workspaceFolder}/../example",
+            "justMyCode": false,
+            "python": "${workspaceFolder}/.venv/bin/python",
+        }
+    ]
+}

.vscode/settings.json

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+{
+    "python.formatting.provider": "black",
+    "python.formatting.blackPath": "${workspaceFolder}/.venv/bin/black"
+}

Makefile

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+.PHONY: install test run train test-passing help actions
+
+-include .env
+
+help:
+	@echo "install - install dependencies"
+	@echo "test - run tests"
+	@echo "run - run chatbot"
+	@echo "train - train chatbot"
+
+.EXPORT_ALL_VARIABLES:
+
+install:
+	poetry install
+
+test: .EXPORT_ALL_VARIABLES
+	poetry run rasa test e2e e2e_tests
+
+run: .EXPORT_ALL_VARIABLES
+	poetry run rasa chat --debug
+
+train: .EXPORT_ALL_VARIABLES
+	poetry run rasa train -c config.yml -d domain --data data
+
+actions:
+	poetry run rasa run actions
+
+test-passing: .EXPORT_ALL_VARIABLES
+	poetry run rasa test e2e e2e_tests/passing
+
+test-failing: .EXPORT_ALL_VARIABLES
+	poetry run rasa test e2e e2e_tests/failing
+
+test-one: .EXPORT_ALL_VARIABLES
+	poetry run rasa test e2e $(target) --debug

actions/add_contact.py

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+from typing import Any, Dict
+from rasa_sdk import Action, Tracker
+from rasa_sdk.events import SlotSet
+from rasa_sdk.executor import CollectingDispatcher
+from actions.db import get_contacts, add_contact, Contact
+
+
+class AddContact(Action):
+
+    def name(self) -> str:
+        return "add_contact"
+
+    def run(self, dispatcher: CollectingDispatcher,
+            tracker: Tracker, domain: Dict[str, Any]):
+        contacts = get_contacts(tracker.sender_id)
+        name = tracker.get_slot("add_contact_name")
+        handle = tracker.get_slot("add_contact_handle")
+
+        if name is None or handle is None:
+            return [SlotSet("return_value", "data_not_present")]
+
+        existing_handles = {c.handle for c in contacts}
+        if handle in existing_handles:
+            return [SlotSet("return_value", "already_exists")]
+
+        new_contact = Contact(name=name, handle=handle)
+        add_contact(tracker.sender_id, new_contact)
+        return [SlotSet("return_value", "success")]

actions/check_balance.py

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+from typing import Any, Dict
+from rasa_sdk import Action, Tracker
+from rasa_sdk.events import SlotSet
+from rasa_sdk.executor import CollectingDispatcher
+from actions.db import get_account
+
+
+class CheckBalance(Action):
+
+    def name(self) -> str:
+        return "check_balance"
+
+    def run(self, dispatcher: CollectingDispatcher,
+            tracker: Tracker, domain: Dict[str, Any]):
+        account = get_account(tracker.sender_id)
+        return [SlotSet("current_balance", account.funds)]