commit 149c92593cd2caa14d803d49793d58aecfa60792
Author: Dan Ballard <dan@mindstab.net>
Date:   Sat May 7 17:11:58 2022 -0700

    demo of an Imp bot using rust-bert to chat

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..ea8c4bf
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diff --git a/Cargo.lock b/Cargo.lock
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+version = "0.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6d1526bbe5aaeb5eb06885f4d987bcdfa5e23187055de9b83fe00156a821fabc"
+dependencies = [
+ "libc",
+]
+
+[[package]]
+name = "zip"
+version = "0.5.13"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "93ab48844d61251bb3835145c521d88aa4031d7139e8485990f60ca911fa0815"
+dependencies = [
+ "byteorder",
+ "bzip2",
+ "crc32fast",
+ "flate2",
+ "thiserror",
+ "time",
+]
+
+[[package]]
+name = "zip-extensions"
+version = "0.6.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a64c3c977bc3434ce2d4bcea8ad3c644672de0f2c402b72b9171ca80a8885d14"
+dependencies = [
+ "zip",
+]
diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644
index 0000000..5f81364
--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,14 @@
+[package]
+name = "rust-bert-bot"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+libcwtch = "0.3.2"
+imp = {path = "../imp"}
+serde_json = "1.0"
+serde = { version = "1.0.127", features = ["derive"] }
+serde_with = { version = "1.10.0" }
+rust-bert = "0.17.0"
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..33f8301
--- /dev/null
+++ b/README.md
@@ -0,0 +1,17 @@
+# Rust-Bert-Bot
+
+An Imp Cwtch bot demo using [rust-bert](https://github.com/guillaume-be/rust-bert) to chat
+
+## Usage
+
+Create a `user_config.json` with an allow list of bot peer admins with their cwtch addresses:
+
+Example:
+
+```
+{
+	"allow_list": ["xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx", "yyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy"]
+}
+```
+
+![Rust-Bert bot in Cwtch](rust-bert.png)
diff --git a/rust-bert.png b/rust-bert.png
new file mode 100644
index 0000000..e3de2bb
Binary files /dev/null and b/rust-bert.png differ
diff --git a/src/main.rs b/src/main.rs
new file mode 100644
index 0000000..b2199db
--- /dev/null
+++ b/src/main.rs
@@ -0,0 +1,102 @@
+extern crate core;
+
+use std::borrow::{BorrowMut};
+use std::fmt::Debug;
+use std::fs::{File};
+use std::thread;
+
+use ::imp::event::Event;
+use ::imp::imp;
+use ::imp::imp::Imp;
+use ::imp::behaviour::AllowListMembers;
+use ::imp::behaviour::NewContactPolicy;
+use ::imp::behaviour::BehaviourBuilder;
+use ::imp::behaviour::Behaviour;
+use libcwtch;
+use libcwtch::CwtchLib;
+use libcwtch::structs::*;
+use serde_json;
+use serde::{Deserialize, Serialize};
+use rust_bert::pipelines::conversation::{ConversationModel, ConversationManager};
+
+
+const BOT_HOME: &str = "~/.cwtch/bots/rust_bert";
+const PASSWORD: &str = "be gay do crime";
+
+const BOT_NAME: &str = "Rust-Bert";
+
+const USER_CONFIG_FILE: &str = "user_config.json";
+
+#[derive(Debug, Serialize, Deserialize)]
+struct UserConfig {
+    allow_list: Vec<String>
+}
+
+struct RustBertBot {
+    allow_list: Vec<String>,
+    conversation_model : ConversationModel,
+    conversation_manager: ConversationManager,
+}
+
+impl RustBertBot {
+    pub fn new() -> Self {
+        let file = File::open(USER_CONFIG_FILE).expect(&format!("could not open allow list file: {}", USER_CONFIG_FILE));
+        let config: UserConfig = serde_json::from_reader(file)
+            .expect("file should be proper JSON");
+
+        let conversation_model = match ConversationModel::new(Default::default()) {
+            Ok(cm) => cm,
+            Err(err) => panic!("ConversationModel::new error: {:?}", err),
+        };
+       let mut conversation_manager = ConversationManager::new();
+
+        RustBertBot {allow_list: config.allow_list, conversation_model, conversation_manager }
+    }
+}
+
+fn main() {
+    let mut rust_bert_bot = RustBertBot::new();
+    let allow_list = AllowListMembers::new(rust_bert_bot.allow_list.clone(), vec!());
+    let behaviour: Behaviour = BehaviourBuilder::new().name(BOT_NAME.to_string()).new_contact_policy(NewContactPolicy::AllowList(allow_list)).build();
+
+    let event_loop_handle = thread::spawn(move || {
+        let mut bot = Imp::spawn(behaviour, PASSWORD.to_string(), BOT_HOME.to_string());
+
+        bot.event_loop::<RustBertBot>(rust_bert_bot.borrow_mut());
+    });
+
+    event_loop_handle.join().expect("Error running event loop");
+}
+
+impl imp::EventHandler for RustBertBot {
+    fn handle(&mut self, cwtch: &dyn CwtchLib, profile_opt: Option<&Profile>, event: Event) {
+        match event {
+            Event::NewMessageFromPeer { conversation_id, handle, timestamp_received, message } => {
+                match profile_opt {
+                    Some(profile) => {
+                        let from = profile.handle.as_str();
+                        let message_wrapper: Message =
+                            serde_json::from_str(&message).expect("Error parsing message");
+                        let mut message = message_wrapper.d.clone();
+
+                        let bert_conversation_id = self.conversation_manager.create(&message);
+                        let output = self.conversation_model.generate_responses(&mut self.conversation_manager);
+
+                        let response = Message {
+                            o: 1,
+                            d: output[&bert_conversation_id].to_string(),
+                        };
+                        match serde_json::to_string(&response) {
+                            Ok(response_json) => cwtch.send_message(&profile.handle, conversation_id, &response_json),
+                            Err(e) => { println!("Error parsing json response: {}", e.to_string()); "".to_string() }
+                        };
+
+                    }
+                    _ => {}
+                }
+            }
+            Event::ErrUnhandled { name, data } => eprintln!("unhandled event: {}!", name),
+            _ => ()
+        };
+    }
+}
\ No newline at end of file
diff --git a/user_config.json b/user_config.json
new file mode 100644
index 0000000..ea3ef15
--- /dev/null
+++ b/user_config.json
@@ -0,0 +1,3 @@
+{
+	"allow_list": []
+}