Thore CimbalandClaude Fable 5
e4991c050f
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01PKhFj1S3UdD6xL2fbWPeYj
108 lines
4.2 KiB
Python
108 lines
4.2 KiB
Python
#!/usr/bin/env python3
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# Issue-Migration Gitea -> GitLab (gitops#48). Stdlib-only.
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#
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# Eigenschaften:
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# - Dry-Run per Default; --execute schreibt wirklich
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# - idempotent: Marker "<!-- gitea-migration: OWNER/REPO#N -->" in der
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# GitLab-Beschreibung; bereits migrierte Issues werden uebersprungen
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# - Kommentare werden als Notes uebernommen (Original-Autor + -Zeit im Text,
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# da die API-Autorschaft auf den Token-User laeuft — bekannter, akzeptierter
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# Verlust, siehe gitops#48)
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# - Zeitstempel bleiben erhalten: der Admin-Token darf created_at setzen
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# - geschlossene Issues werden nach Anlage geschlossen
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# - Labels werden namensgleich uebernommen (Gruppen-Labels muessen existieren)
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# - PRs werden ausgelassen (Gitea listet sie im Issue-Endpunkt mit)
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#
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# Aufruf:
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# python3 migrate.py sorb/thread-net-git 18 # Dry-Run
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# python3 migrate.py sorb/thread-net-git 18 --execute
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import json
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import sys
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import urllib.parse
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import urllib.request
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GITEA = "https://rohana.axion1337.de"
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GITLAB = "https://git.lab"
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GITEA_TOKEN = open("/Users/thore/.config/gitea-rohana/token").read().strip()
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GITLAB_TOKEN = open("/Users/thore/.config/gitlab-lab/token").read().strip()
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def gitea(path):
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req = urllib.request.Request(f"{GITEA}/api/v1{path}",
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headers={"Authorization": f"token {GITEA_TOKEN}"})
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return json.loads(urllib.request.urlopen(req).read())
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def gitlab(method, path, payload=None):
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data = urllib.parse.urlencode(payload).encode() if payload else None
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req = urllib.request.Request(f"{GITLAB}/api/v4{path}", data=data,
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headers={"PRIVATE-TOKEN": GITLAB_TOKEN}, method=method)
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return json.loads(urllib.request.urlopen(req).read())
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def main():
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repo = sys.argv[1]
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project = sys.argv[2]
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execute = "--execute" in sys.argv
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# Bestehende Migrations-Marker im Zielprojekt einsammeln (Idempotenz)
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existing = set()
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page = 1
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while True:
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batch = gitlab("GET", f"/projects/{project}/issues?per_page=100&page={page}&scope=all&state=all")
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if not batch:
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break
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for i in batch:
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desc = i.get("description") or ""
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for line in desc.splitlines():
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if line.startswith("<!-- gitea-migration: "):
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existing.add(line.strip())
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page += 1
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# Gitea-Issues (alle Zustaende), PRs ausfiltern
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issues = []
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page = 1
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while True:
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batch = gitea(f"/repos/{repo}/issues?state=all&type=issues&limit=50&page={page}")
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if not batch:
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break
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issues.extend(batch)
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page += 1
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issues.sort(key=lambda i: i["number"]) # aufsteigend = chronologische Anlage
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print(f"{repo}: {len(issues)} Issues gefunden, Ziel-Projekt {project}, "
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f"{'EXECUTE' if execute else 'DRY-RUN'}")
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for i in issues:
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n = i["number"]
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marker = f"<!-- gitea-migration: {repo}#{n} -->"
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if marker in existing:
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print(f" #{n} bereits migriert - uebersprungen")
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continue
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labels = ",".join(l["name"] for l in i.get("labels", []))
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comments = gitea(f"/repos/{repo}/issues/{n}/comments") if i.get("comments") else []
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footer = (f"\n\n---\n*Migriert aus Gitea [{repo}#{n}]({GITEA}/{repo}/issues/{n}) "
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f"— dort erstellt am {i['created_at'][:10]} von {i['user']['login']}.*\n{marker}")
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print(f" #{n} [{i['state']}] {i['title'][:60]} | labels: {labels or '-'} | "
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f"{len(comments)} kommentare")
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if not execute:
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continue
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new = gitlab("POST", f"/projects/{project}/issues", {
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"title": i["title"],
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"description": (i.get("body") or "") + footer,
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"labels": labels,
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"created_at": i["created_at"],
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})
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for c in comments:
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gitlab("POST", f"/projects/{project}/issues/{new['iid']}/notes", {
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"body": f"**{c['user']['login']} am {c['created_at'][:16].replace('T', ' ')} (Gitea):**\n\n{c['body']}",
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"created_at": c["created_at"],
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})
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if i["state"] == "closed":
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gitlab("PUT", f"/projects/{project}/issues/{new['iid']}", {"state_event": "close"})
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print(f" -> GitLab #{new['iid']} angelegt ({i['state']})")
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if __name__ == "__main__":
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main()
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