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GLM API Client for AI Writer.
Handles communication with the GLM-5 API endpoint on Modal.
"""
import os
import requests
import json
from typing import Optional, Dict, Any
DEFAULT_API_URL = "https://api.us-west-2.modal.direct/v1/chat/completions"
DEFAULT_MODEL = "zai-org/GLM-5.1-FP8"
DEFAULT_TOKEN = os.environ.get("GLM_API_TOKEN", "modalresearch_-z6GDDZ_VYtv7RlIuppxp5Vll50nSaDLtAOO-A5OnrI")
class GLMClient:
"""Client for the GLM-5 API."""
def __init__(
self,
api_url: str = DEFAULT_API_URL,
model: str = DEFAULT_MODEL,
token: str = DEFAULT_TOKEN,
):
self.api_url = api_url
self.model = model
self.token = token
def test_connection(self) -> Dict[str, Any]:
"""Test the API connection with a simple request."""
try:
headers = {
"Content-Type": "application/json",
"Authorization": f"Bearer {self.token}",
}
payload = {
"model": self.model,
"messages": [
{"role": "user", "content": "Say 'Connection successful' in Russian."}
],
"max_tokens": 50,
}
response = requests.post(
self.api_url,
headers=headers,
json=payload,
timeout=30,
)
if response.status_code == 200:
data = response.json()
content = data.get("choices", [{}])[0].get("message", {}).get("content", "")
return {
"success": True,
"message": f"API connection successful. Response: {content}",
"status_code": response.status_code,
}
else:
return {
"success": False,
"message": f"API returned status {response.status_code}: {response.text[:500]}",
"status_code": response.status_code,
}
except requests.exceptions.Timeout:
return {
"success": False,
"message": "Connection timed out after 30 seconds.",
"status_code": None,
}
except requests.exceptions.ConnectionError:
return {
"success": False,
"message": "Could not connect to the API endpoint. Check your internet connection.",
"status_code": None,
}
except Exception as e:
return {
"success": False,
"message": f"Error: {str(e)}",
"status_code": None,
}
def generate(
self,
system_prompt: str,
user_prompt: str,
max_tokens: int = 8000,
temperature: float = 0.7,
) -> Dict[str, Any]:
"""Generate text using the GLM API."""
try:
headers = {
"Content-Type": "application/json",
"Authorization": f"Bearer {self.token}",
}
messages = []
if system_prompt:
messages.append({"role": "system", "content": system_prompt})
messages.append({"role": "user", "content": user_prompt})
payload = {
"model": self.model,
"messages": messages,
"max_tokens": max_tokens,
"temperature": temperature,
}
response = requests.post(
self.api_url,
headers=headers,
json=payload,
timeout=300, # 5 minutes for long generation
)
if response.status_code == 200:
data = response.json()
content = data.get("choices", [{}])[0].get("message", {}).get("content", "")
usage = data.get("usage", {})
return {
"success": True,
"content": content,
"usage": usage,
"status_code": response.status_code,
}
else:
return {
"success": False,
"content": "",
"message": f"API returned status {response.status_code}: {response.text[:500]}",
"status_code": response.status_code,
}
except requests.exceptions.Timeout:
return {
"success": False,
"content": "",
"message": "Generation timed out after 5 minutes. Try reducing max tokens or shortening the prompt.",
}
except Exception as e:
return {
"success": False,
"content": "",
"message": f"Error during generation: {str(e)}",
}
def update_token(self, new_token: str):
"""Update the API token."""
self.token = new_token
def update_model(self, new_model: str):
"""Update the model name."""
self.model = new_model
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