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from __future__ import annotations
from dataclasses import dataclass
from datetime import UTC, datetime, timedelta
import logging
from typing import Any
from srht_contrib.config import Settings
from srht_contrib.schemas import NormalizedEvent
from srht_contrib.services.srht_client import SourceHutGraphQLClient
from srht_contrib.utils.dates import ensure_utc, parse_datetime
from srht_contrib.utils.identity import ActorIdentityResolver
logger = logging.getLogger(__name__)
REPOSITORY_LOG_QUERY = """
query RepositoryLog($username: String!, $repoName: String!, $cursor: Cursor) {
user(username: $username) {
repository(name: $repoName) {
name
owner {
canonicalName
}
log(cursor: $cursor) {
results {
id
shortId
author {
name
email
time
}
committer {
name
email
time
}
message
}
cursor
}
}
}
}
""".strip()
@dataclass(slots=True)
class GitPollResult:
events: list[NormalizedEvent]
cursor: str
class GitIngestionService:
"""Polls tracked git.sr.ht repositories and normalizes commits for one actor."""
service_name = "git"
def __init__(self, client: SourceHutGraphQLClient, settings: Settings) -> None:
self.client = client
self.settings = settings
self.identity_resolver = ActorIdentityResolver(settings.actor_aliases_json)
def fetch_recent_events(
self,
actor: str,
since: datetime | None = None,
repositories: list[str] | None = None,
) -> GitPollResult:
since_dt = ensure_utc(since or (datetime.now(tz=UTC) - timedelta(days=30)))
tracked_repositories = repositories or self._tracked_repositories(actor)
if not tracked_repositories:
logger.info("git poll skipped for actor=%s because no tracked repositories are configured", actor)
return GitPollResult(events=[], cursor=datetime.now(tz=UTC).isoformat())
events: list[NormalizedEvent] = []
for repository in tracked_repositories:
owner, repo_name = self._split_repository(actor, repository)
repo_events = self._fetch_repository_commits(actor=actor, owner=owner, repo_name=repo_name, since=since_dt)
events.extend(repo_events)
logger.info("git poll complete for actor=%s normalized_events=%s", actor, len(events))
return GitPollResult(events=events, cursor=datetime.now(tz=UTC).isoformat())
def _tracked_repositories(self, actor: str) -> list[str]:
repositories = self.settings.git_tracked_repositories
return repositories
@staticmethod
def _split_repository(default_actor: str, repository: str) -> tuple[str, str]:
if "/" in repository:
owner, repo_name = repository.split("/", 1)
canonical_owner = owner if owner.startswith("~") else f"~{owner}"
return canonical_owner.lstrip("~"), repo_name
return default_actor.lstrip("~"), repository
def _fetch_repository_commits(
self,
*,
actor: str,
owner: str,
repo_name: str,
since: datetime,
) -> list[NormalizedEvent]:
events: list[NormalizedEvent] = []
cursor: str | None = None
for _ in range(50):
data = self.client.execute(
REPOSITORY_LOG_QUERY,
{"username": owner, "repoName": repo_name, "cursor": cursor},
)
user = data.get("user") or {}
repository = user.get("repository") or {}
log_page = repository.get("log") or {}
commits = log_page.get("results") or []
cursor = log_page.get("cursor")
logger.info(
"git repository=%s/%s commit page count=%s next_cursor=%s",
owner,
repo_name,
len(commits),
bool(cursor),
)
stop_paging = False
for commit in commits:
if not isinstance(commit, dict):
continue
commit_time = parse_datetime((commit.get("author") or {}).get("time"))
if commit_time < since:
stop_paging = True
logger.info(
"git commit %s skipped because commit_time=%s is before since=%s",
commit.get("shortId") or commit.get("id"),
commit_time.isoformat(),
since.isoformat(),
)
continue
normalized = self._normalize_commit(actor=actor, repo_name=repo_name, commit=commit)
if normalized is not None:
logger.info(
"git commit accepted repo=%s shortId=%s author=%s email=%s",
repo_name,
commit.get("shortId"),
(commit.get("author") or {}).get("name"),
(commit.get("author") or {}).get("email"),
)
events.append(normalized)
else:
logger.info(
"git commit skipped repo=%s shortId=%s author=%s email=%s",
repo_name,
commit.get("shortId"),
(commit.get("author") or {}).get("name"),
(commit.get("author") or {}).get("email"),
)
if stop_paging or not cursor:
break
return events
def _normalize_commit(
self,
*,
actor: str,
repo_name: str,
commit: dict[str, Any],
) -> NormalizedEvent | None:
author = commit.get("author") or {}
candidate_aliases = [
actor,
author.get("email", ""),
author.get("name", ""),
]
matched_actor = None
for candidate in candidate_aliases:
canonical = self.identity_resolver.canonicalize(candidate)
if canonical == actor:
matched_actor = canonical
break
if matched_actor is None:
return None
commit_id = str(commit["id"])
commit_time = parse_datetime(author["time"])
return NormalizedEvent(
service=self.service_name,
event_type="commit",
actor=matched_actor,
repo_name=repo_name,
resource_id=commit_id,
external_uid=f"git:{repo_name}:{commit_id}",
occurred_at=commit_time,
weight=self.settings.event_weights["commit"],
raw_payload_json=commit,
)
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