mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-26 09:32:01 +00:00
431 lines
14 KiB
Python
Executable File
431 lines
14 KiB
Python
Executable File
#!/usr/bin/env python3
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# In our CI this script runs in style-test containers
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import argparse
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import logging
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import os
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import os.path as p
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import re
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from datetime import date, timedelta
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from subprocess import DEVNULL, CalledProcessError
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from typing import Dict, List, Optional, TextIO
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from fuzzywuzzy.fuzz import ratio # type: ignore
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from github.GithubException import RateLimitExceededException, UnknownObjectException
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from github.NamedUser import NamedUser
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from git_helper import git_runner as runner
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from git_helper import is_shallow
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from github_helper import GitHub, PullRequest, PullRequests, Repository
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# This array gives the preferred category order, and is also used to
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# normalize category names.
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# Categories are used in .github/PULL_REQUEST_TEMPLATE.md, keep comments there
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# updated accordingly
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categories_preferred_order = (
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"Backward Incompatible Change",
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"New Feature",
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"Performance Improvement",
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"Improvement",
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"Critical Bug Fix",
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"Bug Fix",
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"Build/Testing/Packaging Improvement",
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"Other",
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)
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FROM_REF = ""
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TO_REF = ""
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SHA_IN_CHANGELOG = [] # type: List[str]
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gh = GitHub(create_cache_dir=False)
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CACHE_PATH = p.join(p.dirname(p.realpath(__file__)), "gh_cache")
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class Description:
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def __init__(
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self, number: int, user: NamedUser, html_url: str, entry: str, category: str
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):
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self.number = number
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self.html_url = html_url
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self.user = gh.get_user_cached(user._rawData["login"]) # type: ignore
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self.entry = entry
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self.category = category
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@property
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def formatted_entry(self) -> str:
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# Substitute issue links.
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# 1) issue number w/o markdown link
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entry = re.sub(
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r"([^[])#([0-9]{4,})",
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r"\1[#\2](https://github.com/ClickHouse/ClickHouse/issues/\2)",
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self.entry,
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)
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# 2) issue URL w/o markdown link
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# including #issuecomment-1 or #event-12
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entry = re.sub(
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r"([^(])(https://github.com/ClickHouse/ClickHouse/issues/([0-9]{4,})[-#a-z0-9]*)",
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r"\1[#\3](\2)",
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entry,
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)
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# It's possible that we face a secondary rate limit.
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# In this case we should sleep until we get it
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while True:
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try:
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user_name = self.user.name if self.user.name else self.user.login
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break
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except UnknownObjectException:
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user_name = self.user.login
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break
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except RateLimitExceededException:
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gh.sleep_on_rate_limit()
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return (
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f"* {entry} [#{self.number}]({self.html_url}) "
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f"([{user_name}]({self.user.html_url}))."
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)
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# Sort PR descriptions by numbers
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def __eq__(self, other) -> bool:
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if not isinstance(self, type(other)):
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return NotImplemented
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return self.number == other.number
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def __lt__(self, other: "Description") -> bool:
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return self.number < other.number
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def get_descriptions(prs: PullRequests) -> Dict[str, List[Description]]:
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descriptions = {} # type: Dict[str, List[Description]]
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repos = {} # type: Dict[str, Repository]
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for pr in prs:
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# See https://github.com/PyGithub/PyGithub/issues/2202,
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# obj._rawData doesn't spend additional API requests
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# We'll save some requests
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# pylint: disable=protected-access
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repo_name = pr._rawData["base"]["repo"]["full_name"] # type: ignore
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# pylint: enable=protected-access
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if repo_name not in repos:
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repos[repo_name] = pr.base.repo
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in_changelog = False
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merge_commit = pr.merge_commit_sha
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try:
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runner.run(f"git rev-parse '{merge_commit}'")
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except CalledProcessError:
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# It's possible that commit not in the repo, just continue
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logging.info("PR %s does not belong to the repo", pr.number)
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continue
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in_changelog = merge_commit in SHA_IN_CHANGELOG
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if in_changelog:
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desc = generate_description(pr, repos[repo_name])
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if desc:
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if desc.category not in descriptions:
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descriptions[desc.category] = []
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descriptions[desc.category].append(desc)
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for descs in descriptions.values():
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descs.sort()
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return descriptions
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def parse_args() -> argparse.Namespace:
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parser = argparse.ArgumentParser(
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formatter_class=argparse.ArgumentDefaultsHelpFormatter,
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description="Generate a changelog in Markdown format between given tags. "
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"It fetches all tags and unshallow the git repository automatically",
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)
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parser.add_argument(
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"-v",
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"--verbose",
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action="count",
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default=0,
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help="set the script verbosity, could be used multiple",
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)
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parser.add_argument(
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"--debug-helpers",
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action="store_true",
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help="add debug logging for git_helper and github_helper",
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)
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parser.add_argument(
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"--output",
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type=argparse.FileType("w"),
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default="-",
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help="output file for changelog",
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)
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parser.add_argument(
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"--repo",
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default="ClickHouse/ClickHouse",
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help="a repository to query for pull-requests from GitHub",
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)
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parser.add_argument(
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"--jobs",
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type=int,
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default=10,
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help="number of jobs to get pull-requests info from GitHub API",
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)
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parser.add_argument(
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"--gh-user-or-token",
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help="user name or GH token to authenticate",
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)
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parser.add_argument(
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"--gh-password",
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help="a password that should be used when user is given",
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)
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parser.add_argument(
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"--with-testing-tags",
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action="store_true",
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help="by default '*-testing' tags are ignored, this argument enables them too",
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)
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parser.add_argument(
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"--from",
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dest="from_ref",
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help="git ref for a starting point of changelog, by default is calculated "
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"automatically to match a previous tag in history",
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)
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parser.add_argument(
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"to_ref",
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metavar="TO_REF",
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help="git ref for the changelog end",
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)
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args = parser.parse_args()
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return args
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# This function mirrors the PR description checks in ClickhousePullRequestTrigger.
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# Returns None if the PR should not be mentioned in changelog.
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def generate_description(item: PullRequest, repo: Repository) -> Optional[Description]:
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backport_number = item.number
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if item.head.ref.startswith("backport/"):
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branch_parts = item.head.ref.split("/")
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if len(branch_parts) == 3:
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try:
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item = gh.get_pull_cached(repo, int(branch_parts[-1]))
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except Exception as e:
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logging.warning("unable to get backpoted PR, exception: %s", e)
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else:
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logging.warning(
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"The branch %s doesn't match backport template, using PR %s as is",
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item.head.ref,
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item.number,
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)
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description = item.body
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# Don't skip empty lines because they delimit parts of description
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lines = [x.strip() for x in (description.split("\n") if description else [])]
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lines = [re.sub(r"\s+", " ", ln) for ln in lines]
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category = ""
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entry = ""
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if lines:
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i = 0
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while i < len(lines):
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if re.match(r"(?i)^[#>*_ ]*change\s*log\s*category", lines[i]):
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i += 1
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if i >= len(lines):
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break
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# Can have one empty line between header and the category itself.
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# Filter it out.
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if not lines[i]:
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i += 1
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if i >= len(lines):
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break
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category = re.sub(r"^[-*\s]*", "", lines[i])
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i += 1
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elif re.match(
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r"(?i)^[#>*_ ]*(short\s*description|change\s*log\s*entry)", lines[i]
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):
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i += 1
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# Can have one empty line between header and the entry itself.
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# Filter it out.
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if i < len(lines) and not lines[i]:
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i += 1
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# All following lines until empty one are the changelog entry.
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entry_lines = []
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while i < len(lines) and lines[i]:
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entry_lines.append(lines[i])
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i += 1
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entry = " ".join(entry_lines)
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else:
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i += 1
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# Remove excessive bullets from the entry.
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if re.match(r"^[\-\*] ", entry):
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entry = entry[2:]
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# Better style.
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if re.match(r"^[a-z]", entry):
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entry = entry.capitalize()
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if not category:
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# Shouldn't happen, because description check in CI should catch such PRs.
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# Fall through, so that it shows up in output and the user can fix it.
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category = "NO CL CATEGORY"
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# Filter out the PR categories that are not for changelog.
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if re.match(
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r"(?i)((non|in|not|un)[-\s]*significant)|(not[ ]*for[ ]*changelog)",
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category,
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):
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category = "NOT FOR CHANGELOG / INSIGNIFICANT"
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return Description(item.number, item.user, item.html_url, item.title, category)
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# Normalize bug fixes
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if re.match(
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r"(?i)bug\Wfix",
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category,
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):
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category = "Bug Fix (user-visible misbehavior in an official stable release)"
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# Filter out documentations changelog
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if re.match(
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r"(?i)doc",
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category,
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):
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return None
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if backport_number != item.number:
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entry = f"Backported in #{backport_number}: {entry}"
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if not entry:
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# Shouldn't happen, because description check in CI should catch such PRs.
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category = "NO CL ENTRY"
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entry = "NO CL ENTRY: '" + item.title + "'"
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entry = entry.strip()
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if entry[-1] != ".":
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entry += "."
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for c in categories_preferred_order:
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if ratio(category.lower(), c.lower()) >= 90:
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category = c
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break
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return Description(item.number, item.user, item.html_url, entry, category)
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def write_changelog(
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fd: TextIO, descriptions: Dict[str, List[Description]], year: int
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) -> None:
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to_commit = runner(f"git rev-parse {TO_REF}^{{}}")[:11]
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from_commit = runner(f"git rev-parse {FROM_REF}^{{}}")[:11]
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fd.write(
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f"---\nsidebar_position: 1\nsidebar_label: {year}\n---\n\n"
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f"# {year} Changelog\n\n"
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f"### ClickHouse release {TO_REF} ({to_commit}) FIXME "
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f"as compared to {FROM_REF} ({from_commit})\n\n"
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)
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seen_categories = [] # type: List[str]
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for category in categories_preferred_order:
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if category in descriptions:
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seen_categories.append(category)
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fd.write(f"#### {category}\n")
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for desc in descriptions[category]:
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fd.write(f"{desc.formatted_entry}\n")
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fd.write("\n")
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for category in sorted(descriptions):
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if category not in seen_categories:
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fd.write(f"#### {category}\n\n")
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for desc in descriptions[category]:
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fd.write(f"{desc.formatted_entry}\n")
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fd.write("\n")
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def check_refs(from_ref: Optional[str], to_ref: str, with_testing_tags: bool):
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global FROM_REF, TO_REF
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TO_REF = to_ref
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# Check TO_REF
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runner.run(f"git rev-parse {TO_REF}")
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# Check from_ref
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if from_ref is None:
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# Get all tags pointing to TO_REF
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tags = runner.run(f"git tag --points-at '{TO_REF}^{{}}'").split("\n")
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logging.info("All tags pointing to %s:\n%s", TO_REF, tags)
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if not with_testing_tags:
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tags.append("*-testing")
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exclude = " ".join([f"--exclude='{tag}'" for tag in tags])
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cmd = f"git describe --abbrev=0 --tags {exclude} '{TO_REF}'"
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FROM_REF = runner.run(cmd)
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else:
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runner.run(f"git rev-parse {FROM_REF}")
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FROM_REF = from_ref
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def set_sha_in_changelog():
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global SHA_IN_CHANGELOG
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SHA_IN_CHANGELOG = runner.run(
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f"git log --format=format:%H {FROM_REF}..{TO_REF}"
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).split("\n")
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def get_year(prs: PullRequests) -> int:
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if not prs:
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return date.today().year
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return max(pr.created_at.year for pr in prs)
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def main():
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log_levels = [logging.WARN, logging.INFO, logging.DEBUG]
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args = parse_args()
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logging.basicConfig(
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format="%(asctime)s %(levelname)-8s [%(filename)s:%(lineno)d]:\n%(message)s",
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level=log_levels[min(args.verbose, 2)],
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)
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if args.debug_helpers:
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logging.getLogger("github_helper").setLevel(logging.DEBUG)
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logging.getLogger("git_helper").setLevel(logging.DEBUG)
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# Create a cache directory
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if not p.isdir(CACHE_PATH):
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os.mkdir(CACHE_PATH, 0o700)
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# Get the full repo
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if is_shallow():
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logging.info("Unshallow repository")
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runner.run("git fetch --unshallow", stderr=DEVNULL)
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logging.info("Fetching all tags")
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runner.run("git fetch --tags", stderr=DEVNULL)
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check_refs(args.from_ref, args.to_ref, args.with_testing_tags)
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set_sha_in_changelog()
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logging.info("Using %s..%s as changelog interval", FROM_REF, TO_REF)
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# use merge-base commit as a starting point, if used ref in another branch
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base_commit = runner.run(f"git merge-base '{FROM_REF}^{{}}' '{TO_REF}^{{}}'")
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# Get starting and ending dates for gathering PRs
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# Add one day after and before to mitigate TZ possible issues
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# `tag^{}` format gives commit ref when we have annotated tags
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# format %cs gives a committer date, works better for cherry-picked commits
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from_date = runner.run(f"git log -1 --format=format:%cs '{base_commit}'")
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to_date = runner.run(f"git log -1 --format=format:%cs '{TO_REF}^{{}}'")
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merged = (
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date.fromisoformat(from_date) - timedelta(1),
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date.fromisoformat(to_date) + timedelta(1),
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)
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# Get all PRs for the given time frame
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global gh
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gh = GitHub(
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args.gh_user_or_token,
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args.gh_password,
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create_cache_dir=False,
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per_page=100,
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pool_size=args.jobs,
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)
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gh.cache_path = CACHE_PATH
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query = f"type:pr repo:{args.repo} is:merged"
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prs = gh.get_pulls_from_search(query=query, merged=merged, sort="created")
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descriptions = get_descriptions(prs)
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changelog_year = get_year(prs)
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write_changelog(args.output, descriptions, changelog_year)
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if __name__ == "__main__":
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main()
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