mirror of
https://github.com/hwchase17/langchain
synced 2024-11-18 09:25:54 +00:00
89 lines
2.9 KiB
Python
89 lines
2.9 KiB
Python
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"""Run NatBot."""
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import time
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from langchain.chains.natbot.base import NatBotChain
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from langchain.chains.natbot.crawler import Crawler # type: ignore
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def run_cmd(cmd: str, _crawler: Crawler) -> None:
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"""Run command."""
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cmd = cmd.split("\n")[0]
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if cmd.startswith("SCROLL UP"):
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_crawler.scroll("up")
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elif cmd.startswith("SCROLL DOWN"):
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_crawler.scroll("down")
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elif cmd.startswith("CLICK"):
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commasplit = cmd.split(",")
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id = commasplit[0].split(" ")[1]
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_crawler.click(id)
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elif cmd.startswith("TYPE"):
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spacesplit = cmd.split(" ")
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id = spacesplit[1]
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text_pieces = spacesplit[2:]
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text = " ".join(text_pieces)
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# Strip leading and trailing double quotes
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text = text[1:-1]
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if cmd.startswith("TYPESUBMIT"):
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text += "\n"
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_crawler.type(id, text)
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time.sleep(2)
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if __name__ == "__main__":
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objective = "Make a reservation for 2 at 7pm at bistro vida in menlo park"
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print("\nWelcome to natbot! What is your objective?")
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i = input()
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if len(i) > 0:
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objective = i
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quiet = False
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nat_bot_chain = NatBotChain.from_default(objective)
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_crawler = Crawler()
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_crawler.go_to_page("google.com")
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try:
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while True:
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browser_content = "\n".join(_crawler.crawl())
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llm_command = nat_bot_chain.run(_crawler.page.url, browser_content)
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if not quiet:
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print("URL: " + _crawler.page.url)
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print("Objective: " + objective)
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print("----------------\n" + browser_content + "\n----------------\n")
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if len(llm_command) > 0:
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print("Suggested command: " + llm_command)
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command = input()
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if command == "r" or command == "":
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run_cmd(llm_command, _crawler)
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elif command == "g":
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url = input("URL:")
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_crawler.go_to_page(url)
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elif command == "u":
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_crawler.scroll("up")
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time.sleep(1)
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elif command == "d":
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_crawler.scroll("down")
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time.sleep(1)
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elif command == "c":
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id = input("id:")
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_crawler.click(id)
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time.sleep(1)
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elif command == "t":
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id = input("id:")
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text = input("text:")
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_crawler.type(id, text)
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time.sleep(1)
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elif command == "o":
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objective = input("Objective:")
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else:
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print(
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"(g) to visit url\n(u) scroll up\n(d) scroll down\n(c) to click"
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"\n(t) to type\n(h) to view commands again"
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"\n(r/enter) to run suggested command\n(o) change objective"
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)
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except KeyboardInterrupt:
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print("\n[!] Ctrl+C detected, exiting gracefully.")
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exit(0)
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