jyapayne/langflow
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update message variable instead of self

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This commit is contained in:
Gabriel Luiz Freitas Almeida 2024-02-18 20:30:40 -03:00
commit bd18346ad9
1 changed files with 42 additions and 15 deletions
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57
src/backend/langflow/graph/vertex/types.py
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@ -3,10 +3,10 @@ import json
from typing import Callable, Dict, List, Optional, Union
from langchain_core.messages import AIMessage
from langflow.graph.utils import UnbuiltObject, flatten_list
from langflow.graph.vertex.base import StatefulVertex, StatelessVertex
from langflow.interface.utils import extract_input_variables_from_prompt
from langflow.schema import Record
from langflow.utils.schemas import ChatOutputResponse
@ -118,9 +118,11 @@ class DocumentLoaderVertex(StatefulVertex):
# show how many documents are in the list?
if not isinstance(self._built_object, UnbuiltObject):
avg_length = sum(len(doc.page_content) for doc in self._built_object if hasattr(doc, "page_content")) / len(
self._built_object
)
avg_length = sum(
len(doc.page_content)
for doc in self._built_object
if hasattr(doc, "page_content")
) / len(self._built_object)
return f"""{self.vertex_type}({len(self._built_object)} documents)
\nAvg. Document Length (characters): {int(avg_length)}
Documents: {self._built_object[:3]}..."""
@ -193,7 +195,9 @@ class TextSplitterVertex(StatefulVertex):
# show how many documents are in the list?
if not isinstance(self._built_object, UnbuiltObject):
avg_length = sum(len(doc.page_content) for doc in self._built_object) / len(self._built_object)
avg_length = sum(len(doc.page_content) for doc in self._built_object) / len(
self._built_object
)
return f"""{self.vertex_type}({len(self._built_object)} documents)
\nAvg. Document Length (characters): {int(avg_length)}
\nDocuments: {self._built_object[:3]}..."""
@ -240,18 +244,27 @@ class PromptVertex(StatelessVertex):
user_id = kwargs.get("user_id", None)
tools = kwargs.get("tools", [])
if not self._built or force:
if "input_variables" not in self.params or self.params["input_variables"] is None:
if (
"input_variables" not in self.params
or self.params["input_variables"] is None
):
self.params["input_variables"] = []
# Check if it is a ZeroShotPrompt and needs a tool
if "ShotPrompt" in self.vertex_type:
tools = [tool_node.build(user_id=user_id) for tool_node in tools] if tools is not None else []
tools = (
[tool_node.build(user_id=user_id) for tool_node in tools]
if tools is not None
else []
)
# flatten the list of tools if it is a list of lists
# first check if it is a list
if tools and isinstance(tools, list) and isinstance(tools[0], list):
tools = flatten_list(tools)
self.params["tools"] = tools
prompt_params = [
key for key, value in self.params.items() if isinstance(value, str) and key != "format_instructions"
key
for key, value in self.params.items()
if isinstance(value, str) and key != "format_instructions"
]
else:
prompt_params = ["template"]
@ -261,14 +274,20 @@ class PromptVertex(StatelessVertex):
prompt_text = self.params[param]
variables = extract_input_variables_from_prompt(prompt_text)
self.params["input_variables"].extend(variables)
self.params["input_variables"] = list(set(self.params["input_variables"]))
self.params["input_variables"] = list(
set(self.params["input_variables"])
)
elif isinstance(self.params, dict):
self.params.pop("input_variables", None)
await self._build(user_id=user_id)
def _built_object_repr(self):
if not self.artifacts or self._built_object is None or not hasattr(self._built_object, "format"):
if (
not self.artifacts
or self._built_object is None
or not hasattr(self._built_object, "format")
):
return super()._built_object_repr()
elif isinstance(self._built_object, UnbuiltObject):
return super()._built_object_repr()
@ -280,7 +299,9 @@ class PromptVertex(StatelessVertex):
# so the prompt format doesn't break
artifacts.pop("handle_keys", None)
try:
if not hasattr(self._built_object, "template") and hasattr(self._built_object, "prompt"):
if not hasattr(self._built_object, "template") and hasattr(
self._built_object, "prompt"
):
template = self._built_object.prompt.template
else:
template = self._built_object.template
@ -288,7 +309,11 @@ class PromptVertex(StatelessVertex):
if value:
replace_key = "{" + key + "}"
template = template.replace(replace_key, value)
return template if isinstance(template, str) else f"{self.vertex_type}({template})"
return (
template
if isinstance(template, str)
else f"{self.vertex_type}({template})"
)
except KeyError:
return str(self._built_object)
@ -337,12 +362,14 @@ class ChatVertex(StatelessVertex):
if isinstance(self._built_object, dict):
# Turn the dict into a pleasing to
# read JSON inside a code block
self._built_object = dict_to_codeblock(self._built_object)
message = dict_to_codeblock(self._built_object)
elif isinstance(self._built_object, Record):
message = self._built_object.text
elif not isinstance(self._built_object, str):
self._built_object = str(self._built_object)
message = str(self._built_object)
artifacts = ChatOutputResponse(
message=self._built_object,
message=message,
sender=sender,
sender_name=sender_name,
)