Openrouter support

[irfansofyana]

PR Type

Enhancement, Documentation

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Description

• Added Openrouter API support to litellm_ai_handler

• Updated documentation for Openrouter model usage

• Extended secrets template to include Openrouter settings

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Changes walkthrough 📝

	Relevant files
Enhancement	litellm_ai_handler.py Add Openrouter API key and base support to handler              pr_agent/algo/ai_handlers/litellm_ai_handler.py Added logic to support Openrouter API key and base URL Set environment variables for Openrouter integration Updated initialization to handle Openrouter settings +12/-0
Documentation	changing_a_model.md Document Openrouter model configuration and usage                docs/docs/usage-guide/changing_a_model.md Added section explaining Openrouter model usage Provided configuration and API key instructions for Openrouter Linked to Openrouter API key generation page +16/-0
Configuration changes	.secrets_template.toml Add Openrouter section to secrets template                              pr_agent/settings/.secrets_template.toml Added [openrouter] section for key and api_base Updated template to support Openrouter configuration +5/-1

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PR Reviewer Guide 🔍

Here are some key observations to aid the review process:

⏱️ Estimated effort to review: 2 🔵🔵⚪⚪⚪

🧪 No relevant tests

🔒 No security concerns identified

⚡ Recommended focus areas for review Potential Overwrite The Openrouter configuration might overwrite previous API settings without checking if Azure AD was already configured. Consider adding a condition to prevent unintended overrides. if get_settings().get("OPENROUTER.KEY", None): openrouter_api_key = get_settings().get("OPENROUTER.KEY", None) os.environ["OPENROUTER_API_KEY"] = openrouter_api_key litellm.api_key = openrouter_api_key openai.api_key = openrouter_api_key openrouter_api_base = get_settings().get("OPENROUTER.API_BASE", "https://openrouter.ai/api/v1") os.environ["OPENROUTER_API_BASE"] = openrouter_api_base self.api_base = openrouter_api_base litellm.api_base = openrouter_api_base Hardcoded URL The default Openrouter API base URL is hardcoded. Consider moving this default value to a constants file or configuration setting. openrouter_api_base = get_settings().get("OPENROUTER.API_BASE", "https://openrouter.ai/api/v1") os.environ["OPENROUTER_API_BASE"] = openrouter_api_base

[qodo-merge-pro-for-open-source]

PR Code Suggestions ✨

Explore these optional code suggestions:

Category	Suggestion	Impact
General	Remove redundant default value Avoid redundant check for None in the second call to get_settings().get(). The first check already confirms the key exists, and the second call uses the same default value unnecessarily. pr_agent/algo/ai_handlers/litellm_ai_handler.py [121-126] # Support for Openrouter models if get_settings().get("OPENROUTER.KEY", None): - openrouter_api_key = get_settings().get("OPENROUTER.KEY", None) + openrouter_api_key = get_settings().get("OPENROUTER.KEY") os.environ["OPENROUTER_API_KEY"] = openrouter_api_key litellm.api_key = openrouter_api_key openai.api_key = openrouter_api_key Apply / Chat Suggestion importance[1-10]: 3 __ Why: The suggestion correctly identifies a redundant None default in the get_settings().get("OPENROUTER.KEY", None) call on line 123. Since the if condition on line 122 already ensures the key exists and its value is not None, providing None as a default in the subsequent get() call is unnecessary. The change is a minor code cleanup.	Low
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• Author self-review: I have reviewed the PR code suggestions, and addressed the relevant ones.

[irfansofyana]

Hi @mrT23 kindly request your review as one of the maintainer on this project, thanks!

[mrT23]

thanks @irfansofyana , openrouter is quite popular