call_llm.py

from openai import OpenAI
import re

client = OpenAI(
    api_key='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'
)
system_prompt = prompt = f"""You are an expert in interpreting directional descriptions and converting them into precise bearing angles.

**Rules:**
- The reference direction is **North (0°)**.
- **East is 90°**, **South is 180°**, and **West is 270°**.
- Intermediate directions follow standard bearing notation:
  - "Northeast" → 45°
  - "Southeast" → 135°
  - "Southwest" → 225°
  - "Northwest" → 315°
- Some relative directions follow specific rules:
  - "South 30 degrees east." → 150°
  - "60 degrees west of north." → 300°
  - "North 30 degrees east." → 30°
  - "20 degrees east of west." → 160°

- "Direction1 of Direction2" (e.g., "north of east"):
the direction from Direction 2 to Direction 1. For example, 30 degrees north of west means turning from the west, which is 270 degrees, to the north, which is 360 (0) degrees. So 270 + 20 = 290 degrees.
- "Direction1 X degrees Direction2" (e.g., "North 30 degrees east"):
This phrase reverses the focus: the primary reference is Direction1, and the deviation is toward Direction2. For instance, "North 30 degrees east" means you start facing north (0°) and turn eastward by 30 degrees. The direction angle is calculated by adding the deviation directly to the reference angle. In this case, starting at north (0°) and turning 30 degrees east results in a direction angle of 30 degrees (0° + 30° = 30°) measured clockwise from true north. Here, Direction1 is the anchor, and Direction2 defines the turn. Both phrases clarify orientation but prioritize different reference points.

At the end of your response, clearly indicate the final angle using the format:
`###X###`



Here is an example:
Input: 'Location A is 10 degrees west of south.'
Output: 'To determine the angle for the direction "10 degrees west of south," we need to:
1. Identify the starting reference direction which is South (180°).
2. Calculate the angle moving 10 degrees towards the west from the South direction.

Starting from South (180°), moving 10 degrees towards the west:
180° + 10° = 190°

Therefore, "Location A is 10 degrees west of south." is equivalent to **190°**

The final angle is: ###190°###'

Now, analyze the following text, determine the correct angle, and **provide step-by-step reasoning before outputting the final result**. 
"""
# model = "gpt-3.5-turbo"
model = "gpt-4o"

def extract_number(text: str) -> float:
    match = re.search(r"###(.*?)###", text)
    if match:
        num_str = match.group(1).strip()
        num_str = re.sub(r'[^0-9.-]', '', num_str)  # 移除非数字字符（保留数字、负号、小数点）
        try:
            return float(num_str) if '.' in num_str else int(num_str)
        except ValueError:
            pass
    return None  # 如果没有匹配到数字，则返回None

def gpt4o(system_prompt, text):

    math_bot_messages = [
        {"role": "system",
         "content": system_prompt},
        {"role": "user", "content": text},
    ]
    chat_completion = client.chat.completions.create(
        messages=math_bot_messages,
        model=model,
    )

    result = chat_completion.choices[0].message.content
    print(result)
    return extract_number(result)

# print(gpt4o(system_prompt, "Location A is 10 degrees south of west."))
# print(gpt4o(system_prompt, "Location A is 20 degrees north of west."))