Adding pr logic to python file

.github/scripts/import_subrepo_prs.py

@@ -0,0 +1,80 @@
+import os
+import sys
+import subprocess
+from github import Github, GithubIntegration
+from git import Repo
+
+def run(cmd, **kwargs):
+    print(f">> {cmd}")
+    subprocess.check_call(cmd, shell=True, **kwargs)
+
+def main():
+    token       = os.environ["GITHUB_TOKEN"]
+    prefix      = os.environ["SUBPREFIX"]
+    subrepo     = os.environ["SUBREPO"]
+    upstream    = os.environ["UPSTREAM"]
+    target      = os.environ["TARGET"]
+    pr_list     = os.environ["PR_LIST"].split(",")
+    repo_path   = os.getcwd()
+    repo        = Repo(repo_path)
+
+    gh = Github(token)
+    super_repo = gh.get_repo(os.environ["GITHUB_REPOSITORY"])
+    sub_repo   = gh.get_repo(upstream)
+
+    # Ensure we have target branch locally
+    run(f"git fetch origin {target}")
+    run(f"git checkout {target}")
+
+    for pr_num in pr_list:
+        pr_num = pr_num.strip()
+        pr = sub_repo.get_pull(int(pr_num))
+
+        title   = pr.title
+        body    = pr.body or ""
+        head_ref= pr.head.ref
+        head_url= pr.head.repo.clone_url
+        is_draft= pr.draft
+        author  = pr.user.login
+
+        # Create a sanitized branch name
+        tclean = target.replace("/", "_")
+        src_clean = subrepo.replace("/", "_")
+        branch = f"import/{tclean}/{src_clean}/pr-{pr_num}"
+
+        # Checkout new branch
+        run(f"git checkout -b {branch}")
+
+        # Pull in the subtree from the PR head
+        run(f"git subtree pull --prefix={prefix} {head_url} {head_ref}")
+
+        # Push the branch
+        run(f"git push origin {branch}")
+
+        # Build PR body
+        footer = (
+            f"\n\n---\n"
+            f"🔁 Imported from [{upstream}#{pr_num}](https://github.com/{upstream}/pull/{pr_num})\n"
+            f"🧑‍💻 Originally authored by @{author}"
+        )
+        full_body = body + footer
+
+        # Create the PR on the super‐repo
+        super_repo.create_pull(
+            title=title,
+            body=full_body,
+            head=branch,
+            base=target,
+            draft=is_draft,
+        )
+
+        # label it
+        pr_created = super_repo.get_pulls(head=f"{repo.remote().url.split('/')[-1].replace('.git','')}:{branch}", 
+                                          state="open")[0]
+        pr_created.add_to_labels("imported pr")
+
+        # checkout back to target before next iteration
+        run(f"git checkout {target}")
+
+if __name__ == "__main__":
+    main()