feat: add provider ai pollinations (#667)

* feat: add provider ai pollinations

* update: enter line

---------

Co-authored-by: Diep Do <diepchiaser@gmail.com>

README-en.md

@@ -66,7 +66,7 @@ Picwish focuses on the **image processing field**, providing a rich set of **ima
 - [x] Supports **background music**, either random or specified music files, with adjustable `background music volume`
 - [x] Video material sources are **high-definition** and **royalty-free**, and you can also use your own **local materials**
 - [x] Supports integration with various models such as **OpenAI**, **Moonshot**, **Azure**, **gpt4free**, **one-api**,
-  **Qwen**, **Google Gemini**, **Ollama**, **DeepSeek**, **ERNIE** and more
+  **Qwen**, **Google Gemini**, **Ollama**, **DeepSeek**, **ERNIE**, **pollinations** and more
     - For users in China, it is recommended to use **DeepSeek** or **Moonshot** as the large model provider (directly accessible in China, no VPN needed. Free credits upon registration, generally sufficient for use)
 
 ❓[How to Use the Free OpenAI GPT-3.5 Model?](https://github.com/harry0703/MoneyPrinterTurbo/blob/main/README-en.md#common-questions-)

README.md

@@ -59,7 +59,7 @@
 - [x] 支持 **背景音乐**，随机或者指定音乐文件，可设置`背景音乐音量`
 - [x] 视频素材来源 **高清**，而且 **无版权**，也可以使用自己的 **本地素材**
 - [x] 支持 **OpenAI**、**Moonshot**、**Azure**、**gpt4free**、**one-api**、**通义千问**、**Google Gemini**、**Ollama**、
-  **DeepSeek**、 **文心一言** 等多种模型接入
+  **DeepSeek**、 **文心一言**, **pollinations** 等多种模型接入
     - 中国用户建议使用 **DeepSeek** 或 **Moonshot** 作为大模型提供商（国内可直接访问，不需要VPN。注册就送额度，基本够用）
 
 ### 后期计划 📅

app/services/llm.py

@@ -1,6 +1,7 @@
 import json
 import logging
 import re
+import requests
 from typing import List
 
 import g4f
@@ -82,11 +83,49 @@ def _generate_response(prompt: str) -> str:
                     raise ValueError(
                         f"{llm_provider}: secret_key is not set, please set it in the config.toml file."
                     )
-            else:
-                raise ValueError(
-                    "llm_provider is not set, please set it in the config.toml file."
-                )
+            elif llm_provider == "pollinations":
+                try:
+                    base_url = config.app.get("pollinations_base_url", "")
+                    if not base_url:
+                        base_url = "https://text.pollinations.ai/openai"
+                    model_name = config.app.get("pollinations_model_name", "openai-fast")
                    
+                    # Prepare the payload
+                    payload = {
+                        "model": model_name,
+                        "messages": [
+                            {"role": "user", "content": prompt}
+                        ],
+                        "seed": 101  # Optional but helps with reproducibility
+                    }
+                    
+                    # Optional parameters if configured
+                    if config.app.get("pollinations_private"):
+                        payload["private"] = True
+                    if config.app.get("pollinations_referrer"):
+                        payload["referrer"] = config.app.get("pollinations_referrer")
+                    
+                    headers = {
+                        "Content-Type": "application/json"
+                    }
+                    
+                    # Make the API request
+                    response = requests.post(base_url, headers=headers, json=payload)
+                    response.raise_for_status()
+                    result = response.json()
+                    
+                    if result and "choices" in result and len(result["choices"]) > 0:
+                        content = result["choices"][0]["message"]["content"]
+                        return content.replace("\n", "")
+                    else:
+                        raise Exception(f"[{llm_provider}] returned an invalid response format")
+                        
+                except requests.exceptions.RequestException as e:
+                    raise Exception(f"[{llm_provider}] request failed: {str(e)}")
+                except Exception as e:
+                    raise Exception(f"[{llm_provider}] error: {str(e)}")
+
+            if llm_provider not in ["pollinations", "ollama"]:  # Skip validation for providers that don't require API key
                 if not api_key:
                     raise ValueError(
                         f"{llm_provider}: api_key is not set, please set it in the config.toml file."
@@ -172,8 +211,6 @@ def _generate_response(prompt: str) -> str:
                 return generated_text
 
             if llm_provider == "cloudflare":
-                import requests
-
                 response = requests.post(
                     f"https://api.cloudflare.com/client/v4/accounts/{account_id}/ai/run/{model_name}",
                     headers={"Authorization": f"Bearer {api_key}"},
@@ -192,20 +229,15 @@ def _generate_response(prompt: str) -> str:
                 return result["result"]["response"]
 
             if llm_provider == "ernie":
-                import requests
-
+                response = requests.post(
+                    "https://aip.baidubce.com/oauth/2.0/token", 
                     params={
                         "grant_type": "client_credentials",
                         "client_id": api_key,
                         "client_secret": secret_key,
                     }
-                access_token = (
-                    requests.post(
-                        "https://aip.baidubce.com/oauth/2.0/token", params=params
-                    )
-                    .json()
-                    .get("access_token")
                 )
+                access_token = response.json().get("access_token")
                 url = f"{base_url}?access_token={access_token}"
 
                 payload = json.dumps(
@@ -409,3 +441,4 @@ if __name__ == "__main__":
     )
     print("######################")
     print(search_terms)
+    

config.example.toml

@@ -32,6 +32,15 @@ pixabay_api_keys = []
 #   ernie       (文心一言)
 llm_provider = "openai"
 
+########## Pollinations AI Settings
+# Visit https://pollinations.ai/ to learn more
+# API Key is optional - leave empty for public access
+pollinations_api_key = ""
+# Default base URL for Pollinations API
+pollinations_base_url = "https://pollinations.ai/api/v1"
+# Default model for text generation
+pollinations_model_name = "openai-fast"
+
 ########## Ollama Settings
 # No need to set it unless you want to use your own proxy
 ollama_base_url = ""

requirements.txt

@@ -13,3 +13,4 @@ azure-cognitiveservices-speech==1.41.1
 redis==5.2.0
 python-multipart==0.0.19
 pyyaml
+requests>=2.31.0

webui/Main.py

@@ -237,6 +237,7 @@ if not config.app.get("hide_config", False):
                 "OneAPI",
                 "Cloudflare",
                 "ERNIE",
+                "Pollinations",
             ]
             saved_llm_provider = config.app.get("llm_provider", "OpenAI").lower()
             saved_llm_provider_index = 0
@@ -381,6 +382,17 @@ if not config.app.get("hide_config", False):
                             - **Base Url**: 填写 **请求地址** [点击查看文档](https://cloud.baidu.com/doc/WENXINWORKSHOP/s/jlil56u11#%E8%AF%B7%E6%B1%82%E8%AF%B4%E6%98%8E)
                             """
 
+            if llm_provider == "pollinations":
+                if not llm_model_name:
+                    llm_model_name = "default"
+                with llm_helper:
+                    tips = """
+                            ##### Pollinations AI Configuration
+                            - **API Key**: Optional - Leave empty for public access
+                            - **Base Url**: Default is https://text.pollinations.ai/openai
+                            - **Model Name**: Use 'openai-fast' or specify a model name
+                            """
+
             if tips and config.ui["language"] == "zh":
                 st.warning(
                     "中国用户建议使用 **DeepSeek** 或 **Moonshot** 作为大模型提供商\n- 国内可直接访问，不需要VPN \n- 注册就送额度，基本够用"