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2_buttons.py
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2_buttons.py
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# %% [markdown]
"""
# Responses: 2. Buttons
In this tutorial %mddoclink(api,script.core.message,Button)
class is demonstrated.
Buttons are one of %mddoclink(api,script.core.message,Message) fields.
They can be attached to any message but will only work if the chosen
[messenger interface](%doclink(api,index_messenger_interfaces)) supports them.
"""
# %pip install dff
# %%
import dff.script.conditions as cnd
import dff.script.labels as lbl
from dff.script import Context, TRANSITIONS, RESPONSE
from dff.script.core.message import Button, Keyboard, Message
from dff.pipeline import Pipeline
from dff.utils.testing import (
check_happy_path,
is_interactive_mode,
run_interactive_mode,
)
# %%
def check_button_payload(value: str):
def payload_check_inner(ctx: Context, _: Pipeline):
if ctx.last_request.misc is not None:
return ctx.last_request.misc.get("payload") == value
else:
return False
return payload_check_inner
# %%
toy_script = {
"root": {
"start": {
RESPONSE: Message(""),
TRANSITIONS: {
("general", "question_1"): cnd.true(),
},
},
"fallback": {RESPONSE: Message("Finishing test")},
},
"general": {
"question_1": {
RESPONSE: Message(
**{
"text": "Starting test! What's 2 + 2?"
" (type in the index of the correct option)",
"misc": {
"ui": Keyboard(
buttons=[
Button(text="5", payload="5"),
Button(text="4", payload="4"),
]
),
},
}
),
TRANSITIONS: {
lbl.forward(): check_button_payload("4"),
("general", "question_1"): check_button_payload("5"),
},
},
"question_2": {
RESPONSE: Message(
**{
"text": "Next question: what's 6 * 8?"
" (type in the index of the correct option)",
"misc": {
"ui": Keyboard(
buttons=[
Button(text="38", payload="38"),
Button(text="48", payload="48"),
]
),
},
}
),
TRANSITIONS: {
lbl.forward(): check_button_payload("48"),
("general", "question_2"): check_button_payload("38"),
},
},
"question_3": {
RESPONSE: Message(
**{
"text": "What's 114 + 115? "
"(type in the index of the correct option)",
"misc": {
"ui": Keyboard(
buttons=[
Button(text="229", payload="229"),
Button(text="283", payload="283"),
]
),
},
}
),
TRANSITIONS: {
lbl.forward(): check_button_payload("229"),
("general", "question_3"): check_button_payload("283"),
},
},
"success": {
RESPONSE: Message("Success!"),
TRANSITIONS: {("root", "fallback"): cnd.true()},
},
},
}
happy_path = (
(
Message("Hi"),
Message(
**{
"text": "Starting test! What's 2 + 2? "
"(type in the index of the correct option)",
"misc": {
"ui": Keyboard(
buttons=[
Button(text="5", payload="5"),
Button(text="4", payload="4"),
]
)
},
}
),
),
(
Message("0"),
Message(
**{
"text": "Starting test! What's 2 + 2? "
"(type in the index of the correct option)",
"misc": {
"ui": Keyboard(
buttons=[
Button(text="5", payload="5"),
Button(text="4", payload="4"),
]
),
},
}
),
),
(
Message("1"),
Message(
**{
"text": "Next question: what's 6 * 8? "
"(type in the index of the correct option)",
"misc": {
"ui": Keyboard(
buttons=[
Button(text="38", payload="38"),
Button(text="48", payload="48"),
]
),
},
}
),
),
(
Message("0"),
Message(
**{
"text": "Next question: what's 6 * 8? "
"(type in the index of the correct option)",
"misc": {
"ui": Keyboard(
buttons=[
Button(text="38", payload="38"),
Button(text="48", payload="48"),
]
),
},
}
),
),
(
Message("1"),
Message(
**{
"text": "What's 114 + 115? "
"(type in the index of the correct option)",
"misc": {
"ui": Keyboard(
buttons=[
Button(text="229", payload="229"),
Button(text="283", payload="283"),
]
),
},
}
),
),
(
Message("1"),
Message(
**{
"text": "What's 114 + 115? "
"(type in the index of the correct option)",
"misc": {
"ui": Keyboard(
buttons=[
Button(text="229", payload="229"),
Button(text="283", payload="283"),
]
),
},
}
),
),
(Message("0"), Message("Success!")),
(Message("ok"), Message("Finishing test")),
)
def process_request(ctx: Context):
ui = (
ctx.last_response
and ctx.last_response.misc
and ctx.last_response.misc.get("ui")
)
if ui and ui.buttons:
try:
chosen_button = ui.buttons[int(ctx.last_request.text)]
except (IndexError, ValueError):
raise ValueError(
"Type in the index of the correct option "
"to choose from the buttons."
)
ctx.last_request = Message(misc={"payload": chosen_button.payload})
# %%
pipeline = Pipeline.from_script(
toy_script,
start_label=("root", "start"),
fallback_label=("root", "fallback"),
pre_services=[process_request],
)
if __name__ == "__main__":
check_happy_path(
pipeline,
happy_path,
) # For response object with `happy_path` string comparing,
# a special `generics_comparer` comparator is used
if is_interactive_mode():
run_interactive_mode(pipeline)