[Python] Not able to identify the Github Pull request merge type

Here is the code that I am trying:

merge_method_status = "Not Merged"
if merged:
# Fetch the latest PR info to get the 'merge_commit_sha' and other details
pr_api_url = f"https://api.github.com/repos/{repo_name}/pulls/{pr_number}"
headers = {"Authorization": f"token {GITHUB_TOKEN}"}
async with httpx.AsyncClient() as client:
pr_response = await client.get(pr_api_url, headers=headers)
if pr_response.status_code == 200:
pr_data = pr_response.json()
print(pr_data)
merge_commit_sha = pr_data.get("merge_commit_sha")
head_sha = pr_data.get("head", {}).get("sha")
base_sha = pr_data.get("base", {}).get("sha")

# Determine merge method
if pr_data.get("commits", 0) == 1:
merge_method_status = "Rebase and Merged"
elif head_sha == merge_commit_sha:
merge_method_status = "Squash and Merged"
else:
merge_method_status = "Merge Commit"
else:
print(f"[ERROR] Failed to fetch PR details: {pr_response.text}")
merge_method_status = "Merged" # fallback


Now when I am trying to merge the PR I am willing to know what type of merging happened. There are 3 types

1. Merge and commit
2. Squash and merge
3. Rebase and merge.

I want to identify it using the github api. Can anyone suggest me what is the possible logic that I can try to find out what type of merging is happening?
Please let me know what should I do to make the correct identification of the merging of the pull request.

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