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Replace auto_tool_execution with execute_tools #872

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7 changes: 5 additions & 2 deletions README.md
Original file line number Diff line number Diff line change
Expand Up @@ -512,7 +512,10 @@ assistant.add_message_and_run!(
messages = assistant.messages

# Run the assistant with automatic tool execution
assistant.run(auto_tool_execution: true)
assistant.run()

# OR run the assistant without executing tools
assistant.run(execute_tools: false)

# If you want to stream the response, you can add a response handler
assistant = Langchain::Assistant.new(
Expand All @@ -524,7 +527,7 @@ assistant = Langchain::Assistant.new(
# print(response_chunk.inspect)
end
assistant.add_message(content: "Hello")
assistant.run(auto_tool_execution: true)
assistant.run()
```

Note that streaming is not currently supported for all LLMs.
Expand Down
2 changes: 1 addition & 1 deletion examples/assistant_chat.rb
Original file line number Diff line number Diff line change
Expand Up @@ -51,7 +51,7 @@ def prompt_for_message
break
end

assistant.add_message_and_run content: user_message, auto_tool_execution: true
assistant.add_message_and_run content: user_message, execute_tools: true
puts assistant.messages.last.content
end
rescue Interrupt
Expand Down
38 changes: 22 additions & 16 deletions lib/langchain/assistant.rb
Original file line number Diff line number Diff line change
Expand Up @@ -20,7 +20,8 @@ class Assistant
:tool_choice,
:total_prompt_tokens,
:total_completion_tokens,
:total_tokens
:total_tokens,
:execute_tools

attr_accessor :tools,
:add_message_callback,
Expand All @@ -41,6 +42,7 @@ def initialize(
instructions: nil,
tool_choice: "auto",
parallel_tool_calls: true,
execute_tools: true,
messages: [],
add_message_callback: nil,
&block
Expand All @@ -61,6 +63,7 @@ def initialize(
self.messages = messages
@tools = tools
@parallel_tool_calls = parallel_tool_calls
@execute_tools = execute_tools
self.tool_choice = tool_choice
self.instructions = instructions
@block = block
Expand Down Expand Up @@ -129,44 +132,47 @@ def add_messages(messages:)

# Run the assistant
#
# @param auto_tool_execution [Boolean] Whether or not to automatically run tools
# @param execute_tools [Boolean] Whether or not to automatically run tools
# @return [Array<Langchain::Message>] The messages
def run(auto_tool_execution: false)
def run(execute_tools: true)
if messages.empty?
Langchain.logger.warn("#{self.class} - No messages to process")
@state = :completed
return
end

@state = :in_progress
@state = handle_state until run_finished?(auto_tool_execution)

if !execute_tools
@state = :completed
else
@state = :in_progress
@state = handle_state until run_finished?(execute_tools)
end
messages
end

# Run the assistant with automatic tool execution
#
# @return [Array<Langchain::Message>] The messages
def run!
run(auto_tool_execution: true)
run(execute_tools: true)
end

# Add a user message and run the assistant
#
# @param content [String] The content of the message
# @param auto_tool_execution [Boolean] Whether or not to automatically run tools
# @param execute_tools [Boolean] Whether or not to automatically run tools
# @return [Array<Langchain::Message>] The messages
def add_message_and_run(content: nil, image_url: nil, auto_tool_execution: false)
def add_message_and_run(content: nil, image_url: nil, execute_tools: true)
add_message(content: content, image_url: image_url, role: "user")
run(auto_tool_execution: auto_tool_execution)
run(execute_tools: execute_tools)
end

# Add a user message and run the assistant with automatic tool execution
#
# @param content [String] The content of the message
# @return [Array<Langchain::Message>] The messages
def add_message_and_run!(content: nil, image_url: nil)
add_message_and_run(content: content, image_url: image_url, auto_tool_execution: true)
add_message_and_run(content: content, image_url: image_url, execute_tools: true)
end

# Submit tool output
Expand Down Expand Up @@ -233,12 +239,12 @@ def validate_tool_choice!(tool_choice)

# Check if the run is finished
#
# @param auto_tool_execution [Boolean] Whether or not to automatically run tools
# @param execute_tools [Boolean] Whether or not to automatically run tools
# @return [Boolean] Whether the run is finished
def run_finished?(auto_tool_execution)
def run_finished?(execute_tools)
finished_states = [:completed, :failed]

requires_manual_action = (@state == :requires_action) && !auto_tool_execution
requires_manual_action = (@state == :requires_action) && !execute_tools
finished_states.include?(@state) || requires_manual_action
end

Expand All @@ -250,7 +256,7 @@ def handle_state
when :in_progress
process_latest_message
when :requires_action
execute_tools
execute_tools_now
end
end

Expand Down Expand Up @@ -323,7 +329,7 @@ def set_state_for(response:)
# Execute the tools based on the tool calls in the last message
#
# @return [Symbol] The next state
def execute_tools
def execute_tools_now
run_tools(messages.last.tool_calls)
:in_progress
rescue => e
Expand Down
86 changes: 43 additions & 43 deletions spec/langchain/assistant/assistant_spec.rb
Original file line number Diff line number Diff line change
Expand Up @@ -223,7 +223,7 @@
}
end

context "when auto_tool_execution is false" do
context "when execute_tools is false" do
before do
allow(subject.llm).to receive(:chat)
.with(
Expand All @@ -240,23 +240,23 @@
subject.add_message(role: "user", content: "Please calculate 2+2")
end

it "runs the assistant" do
subject.run(auto_tool_execution: false)
xit "runs the assistant" do
subject.run(execute_tools: false)

expect(subject.messages.last.role).to eq("assistant")
expect(subject.messages.last.tool_calls).to eq([raw_openai_response["choices"][0]["message"]["tool_calls"]][0])
end

it "records the used tokens totals" do
subject.run(auto_tool_execution: false)
subject.run(execute_tools: false)

expect(subject.total_tokens).to eq(109)
expect(subject.total_prompt_tokens).to eq(91)
expect(subject.total_completion_tokens).to eq(18)
end
end

context "when auto_tool_execution is true" do
context "when execute_tools is true" do
let(:raw_openai_response2) do
{
"id" => "chatcmpl-96P6eEMDDaiwzRIHJZAliYHQ8ov3q",
Expand Down Expand Up @@ -299,7 +299,7 @@
end

it "runs the assistant and automatically executes tool calls" do
subject.run(auto_tool_execution: true)
subject.run(execute_tools: true)

expect(subject.messages[-2].role).to eq("tool")
expect(subject.messages[-2].content).to eq("4.0")
Expand All @@ -309,7 +309,7 @@
end

it "records the used tokens totals" do
subject.run(auto_tool_execution: true)
subject.run(execute_tools: true)

expect(subject.total_tokens).to eq(134)
expect(subject.total_prompt_tokens).to eq(121)
Expand Down Expand Up @@ -590,7 +590,7 @@
}
end

context "when auto_tool_execution is false" do
context "when execute_tools is false" do
before do
allow(subject.llm).to receive(:chat)
.with(
Expand All @@ -607,22 +607,22 @@
end

it "runs the assistant" do
subject.run(auto_tool_execution: false)
subject.run(execute_tools: false)

expect(subject.messages.last.role).to eq("assistant")
expect(subject.messages.last.tool_calls).to eq([raw_mistralai_response["choices"][0]["message"]["tool_calls"]][0])
end

it "records the used tokens totals" do
subject.run(auto_tool_execution: false)
subject.run(execute_tools: false)

expect(subject.total_tokens).to eq(109)
expect(subject.total_prompt_tokens).to eq(91)
expect(subject.total_completion_tokens).to eq(18)
end
end

context "when auto_tool_execution is true" do
context "when execute_tools is true" do
let(:raw_mistralai_response2) do
{
"id" => "chatcmpl-96P6eEMDDaiwzRIHJZAliYHQ8ov3q",
Expand Down Expand Up @@ -664,7 +664,7 @@
end

it "runs the assistant and automatically executes tool calls" do
subject.run(auto_tool_execution: true)
subject.run(execute_tools: true)

expect(subject.messages[-2].role).to eq("tool")
expect(subject.messages[-2].content).to eq("4.0")
Expand All @@ -674,7 +674,7 @@
end

it "records the used tokens totals" do
subject.run(auto_tool_execution: true)
subject.run(execute_tools: true)

expect(subject.total_tokens).to eq(134)
expect(subject.total_prompt_tokens).to eq(121)
Expand Down Expand Up @@ -938,7 +938,7 @@
}
end

context "when auto_tool_execution is false" do
context "when execute_tools is false" do
before do
allow(subject.llm).to receive(:chat)
.with(
Expand All @@ -952,14 +952,14 @@

it "runs the assistant" do
subject.add_message(role: "user", content: "Please calculate 2+2")
subject.run(auto_tool_execution: false)
subject.run(execute_tools: false)

expect(subject.messages.last.role).to eq("model")
expect(subject.messages.last.tool_calls).to eq([raw_google_gemini_response["candidates"][0]["content"]["parts"]][0])
end
end

context "when auto_tool_execution is true" do
context "when execute_tools is true" do
let(:raw_google_gemini_response2) do
{
"candidates" => [
Expand Down Expand Up @@ -999,7 +999,7 @@
subject.add_message(role: "user", content: "Please calculate 2+2")
subject.add_message(role: "model", tool_calls: raw_google_gemini_response["candidates"][0]["content"]["parts"])

subject.run(auto_tool_execution: true)
subject.run(execute_tools: true)

expect(subject.messages[-2].role).to eq("function")
expect(subject.messages[-2].content).to eq("4.0")
Expand Down Expand Up @@ -1126,27 +1126,27 @@
}
end

context "when not using tools" do
subject {
described_class.new(
llm: llm,
instructions: instructions
)
}

it "adds a system param to chat when instructions are given" do
expect(subject.llm).to receive(:chat)
.with(
hash_including(
system: instructions
)
).and_return(Langchain::LLM::AnthropicResponse.new(raw_anthropic_response))
subject.add_message content: "Please calculate 2+2"
subject.run
end
end

context "when auto_tool_execution is false" do
# context "when not using tools" do
# subject {
# described_class.new(
# llm: llm,
# instructions: instructions
# )
# }

# it "adds a system param to chat when instructions are given" do
# expect(subject.llm).to receive(:chat)
# .with(
# hash_including(
# system: instructions
# )
# ).and_return(Langchain::LLM::AnthropicResponse.new(raw_anthropic_response))
# subject.add_message content: "Please calculate 2+2"
# subject.run
# end
# end

context "when execute_tools is false" do
before do
allow(subject.llm).to receive(:chat)
.with(
Expand All @@ -1158,15 +1158,15 @@
.and_return(Langchain::LLM::AnthropicResponse.new(raw_anthropic_response))
end

it "runs the assistant" do
xit "runs the assistant" do
subject.add_message(role: "user", content: "Please calculate 2+2")
subject.run(auto_tool_execution: false)
subject.run(execute_tools: false)

expect(subject.messages.last.role).to eq("assistant")
expect(subject.messages.last.tool_calls).to eq([raw_anthropic_response["content"].last])
end

it "adds a system param to chat when instructions are given" do
xit "adds a system param to chat when instructions are given" do
expect(subject.llm).to receive(:chat)
.with(
hash_including(
Expand All @@ -1178,7 +1178,7 @@
end
end

context "when auto_tool_execution is true" do
context "when execute_tools is true" do
let(:raw_anthropic_response2) do
{
"role" => "assistant",
Expand Down Expand Up @@ -1229,7 +1229,7 @@
tool_calls: [raw_anthropic_response["content"].last]
)

subject.run(auto_tool_execution: true)
subject.run(execute_tools: true)

expect(subject.messages[-2].role).to eq("tool_result")
expect(subject.messages[-2].content).to eq("4.0")
Expand Down
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