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| import streamlit as st | |
| from mastodon_fetcher_haystack.mastodon_fetcher import MastodonFetcher | |
| from haystack import Pipeline | |
| from haystack.nodes import PromptNode, PromptTemplate | |
| def start_haystack(openai_key): | |
| #Use this function to contruct a pipeline | |
| fetcher = MastodonFetcher() | |
| mastodon_template = PromptTemplate(prompt="""You will be given a post stream belonging to a specific Mastodon profile. Answer with a summary of what they've lately been posting about and in what languages. | |
| You may go into some detail about what topics they tend to like postint about. Please also mention their overall tone, for example: positive, | |
| negative, political, sarcastic or something else. | |
| Examples: | |
| Post stream: [@deepset_ai](https://mastodon.social/@deepset_ai): Come join our Haystack server for our first Discord event tomorrow, a deepset AMA session with @rusic_milos @malte_pietsch… | |
| [@deepset_ai](https://mastodon.social/@deepset_ai): Join us for a chat! On Thursday 25th we are hosting a 'deepset - Ask Me Anything' session on our brand new Discord. Come… | |
| [@deepset_ai](https://mastodon.social/@deepset_ai): Curious about how you can use @OpenAI GPT3 in a Haystack pipeline? This week we released Haystack 1.7 with which we introdu… | |
| [@deepset_ai](https://mastodon.social/@deepset_ai): So many updates from @deepset_ai today! | |
| Summary: This user has lately been reposting posts from @deepset_ai. The topics of the posts have been around the Haystack community, NLP and GPT. They've | |
| been posting in English, and have had a positive, informative tone. | |
| Post stream: I've directed my team to set sharper rules on how we deal with unidentified objects.\n\nWe will inventory, improve ca… | |
| the incursion by China’s high-altitude balloon, we enhanced radar to pick up slower objects.\n \nBy doing so, w… | |
| I gave an update on the United States’ response to recent aerial objects. | |
| Summary: This user has lately been posting about having sharper rules to deal with unidentified objects and an incursuin by China's high-altitude | |
| baloon. Their pots have mostly been neutral but determined in tone. They mostly post in English. | |
| Post stream: {join(documents)} | |
| Summary: | |
| """) | |
| prompt_node = PromptNode(model_name_or_path="gpt-4", default_prompt_template=mastodon_template, api_key=openai_key) | |
| st.session_state["haystack_started"] = True | |
| mastodon_pipeline = Pipeline() | |
| mastodon_pipeline.add_node(component=fetcher, name="MastodonFetcher", inputs=["Query"]) | |
| mastodon_pipeline.add_node(component=prompt_node, name="PromptNode", inputs=["MastodonFetcher"]) | |
| return mastodon_pipeline | |
| def query(username, _pipeline): | |
| try: | |
| result = _pipeline.run(query=username, params={"MastodonFetcher": {"last_k_posts": 20}}) | |
| except Exception as e: | |
| result = ["Please make sure you are providing a correct, public Mastodon account"] | |
| return result |