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main.py
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main.py
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from datetime import datetime, timedelta
import logging
from pathlib import Path
from typing import Dict, List, Optional, Set
from github import Github
from github.Issue import Issue
from github.IssueComment import IssueComment
from github.IssueEvent import IssueEvent
from pydantic import BaseModel, BaseSettings, SecretStr, validator
class KeywordMeta(BaseModel):
delay: timedelta = timedelta(days=10)
message: str = "Assuming the original need was handled, this will be automatically closed now."
remove_label_on_comment: bool = True
remove_label_on_close: bool = False
class Settings(BaseSettings):
input_config: Dict[str, KeywordMeta]
github_repository: str
input_token: SecretStr
github_event_path: Path
github_event_name: Optional[str] = None
@validator("input_config", pre=True)
def discard_schema(cls, v):
if "$schema" in v:
del v["$schema"]
return v
class PartialGitHubEventIssue(BaseModel):
number: int
class PartialGitHubEvent(BaseModel):
issue: Optional[PartialGitHubEventIssue] = None
pull_request: Optional[PartialGitHubEventIssue] = None
def get_last_comment(issue: Issue) -> Optional[IssueComment]:
last_comment: Optional[IssueComment] = None
comment: IssueComment
for comment in issue.get_comments():
if not last_comment:
last_comment = comment
elif comment.created_at > last_comment.created_at:
last_comment = comment
return last_comment
def get_labeled_events(events: List[IssueEvent]) -> List[IssueEvent]:
labeled_events = []
for event in events:
if event.event == "labeled":
labeled_events.append(event)
return labeled_events
def get_last_event_for_label(
*, labeled_events: List[IssueEvent], label: str
) -> Optional[IssueEvent]:
last_event: Optional[IssueEvent] = None
for event in labeled_events:
if event.label and event.label.name == label:
if not last_event:
last_event = event
continue
if event.created_at > last_event.created_at:
last_event = event
return last_event
def close_issue(
*, issue: Issue, keyword_meta: KeywordMeta, keyword: str, label_strs: Set[str]
) -> None:
logging.info(
f"Clossing issue: #{issue.number} with message: {keyword_meta.message}"
)
issue.create_comment(keyword_meta.message)
issue.edit(state="closed")
if keyword_meta.remove_label_on_close:
if keyword in label_strs:
issue.remove_from_labels(keyword)
def process_issue(*, issue: Issue, settings: Settings) -> None:
logging.info(f"Processing issue: #{issue.number}")
label_strs = set([label.name for label in issue.get_labels()])
events = list(issue.get_events())
labeled_events = get_labeled_events(events)
last_comment = get_last_comment(issue)
for keyword, keyword_meta in settings.input_config.items():
# Check closable delay, if enough time passed and the issue could be closed
closable_delay = (
last_comment is None
or (datetime.utcnow() - keyword_meta.delay) > last_comment.created_at
)
# Check label, optionally removing it if there's a comment after adding it
if keyword in label_strs:
logging.info(f'Keyword: "{keyword}" in issue labels')
keyword_event = get_last_event_for_label(
labeled_events=labeled_events, label=keyword
)
if (
last_comment
and keyword_event
and last_comment.created_at > keyword_event.created_at
):
logging.info(
f"Not closing as the last comment was written after adding the "
f'label: "{keyword}"'
)
if keyword_meta.remove_label_on_comment:
logging.info(f'Removing label: "{keyword}"')
issue.remove_from_labels(keyword)
elif closable_delay:
close_issue(
issue=issue,
keyword_meta=keyword_meta,
keyword=keyword,
label_strs=label_strs,
)
break
else:
logging.info(
f"Not clossing issue: #{issue.number} as the delay hasn't been reached: {keyword_meta.delay}"
)
if __name__ == "__main__":
logging.basicConfig(level=logging.INFO)
settings = Settings()
logging.info(f"Using config: {settings.json()}")
g = Github(settings.input_token.get_secret_value())
repo = g.get_repo(settings.github_repository)
github_event: Optional[PartialGitHubEvent] = None
if settings.github_event_path.is_file():
contents = settings.github_event_path.read_text()
github_event = PartialGitHubEvent.parse_raw(contents)
if (
settings.github_event_name == "issues"
or settings.github_event_name == "pull_request_target"
or settings.github_event_name == "issue_comment"
):
if github_event:
issue_number: Optional[int] = None
if github_event.issue:
issue_number = github_event.issue.number
elif github_event.pull_request:
issue_number = github_event.pull_request.number
if issue_number is not None:
issue = repo.get_issue(issue_number)
if issue.state == "open":
process_issue(issue=issue, settings=settings)
else:
for keyword, keyword_meta in settings.input_config.items():
for issue in repo.get_issues(state="open", labels=[keyword]):
process_issue(issue=issue, settings=settings)
logging.info("Finished")