Added OpenRouter support

[zakhar-kogan]

Features

• Added OpenRouter support as it gives access to GPT-4, PaLM-2 and Claude 2 without additional surcharges;
• Added support for .env files and enclosed an example.

[krrishdholakia]

PR under review ✅

Hope to revert by tonight.

[ishaan-jaff]

thanks for the contribution, looks awesome. It's good to merge, but small nit: In completion_test can you leave all the other tests uncommented

[ishaan-jaff]

can we leave all the other tests uncommented

[zakhar-kogan]

Will do in ~15 minutes. Thanks for reviewing 🧡

[zakhar-kogan]

Uncommented + deleted the unneeded testos.py (my bad) 🥲

One question - I could try implementing everything using pattern matching. Should I try that, or we'll lose backward compatibility this way?

[ishaan-jaff]

let's address pattern matching in a separate PR

[seonghobae]

PR checks evidence (sync upstream)

Required checks

gh pr checks --required --watch --fail-fast

Output

no checks reported on the 'main' branch

Merge state

gh pr view --json mergeStateStatus,mergeable

Output

{"mergeStateStatus":"UNKNOWN","mergeable":"UNKNOWN"}

Rulesets / Branch policy

gh api "repos/BerriAI/litellm/rules/branches/main" || gh api "repos/BerriAI/litellm/branches/main/protection"

Output

[]

Code scanning

gh api "/repos/BerriAI/litellm/code-scanning/analyses?pr=8"
gh api "/repos/BerriAI/litellm/code-scanning/alerts?pr=8&state=open"

Output

{"message":"You are not authorized to read code scanning alerts.","documentation_url":"https://docs.github.com/rest/code-scanning/code-scanning#list-code-scanning-analyses-for-a-repository","status":"403"}gh: You are not authorized to read code scanning alerts. (HTTP 403)
gh: This API operation needs the "delete_repo" scope. To request it, run:  gh auth refresh -h github.com -s delete_repo
{"message":"You are not authorized to read code scanning alerts.","documentation_url":"https://docs.github.com/rest/code-scanning/code-scanning#list-code-scanning-alerts-for-a-repository","status":"403"}gh: You are not authorized to read code scanning alerts. (HTTP 403)
gh: This API operation needs the "delete_repo" scope. To request it, run:  gh auth refresh -h github.com -s delete_repo

Check-runs

gh api "/repos/BerriAI/litellm/commits/404ce961a7e8b71c24fd8c2130a58be753f0e2a4/check-runs"

Output

{"total_count":0,"check_runs":[]}

(Exit code: 1)