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workinf_Blender_Wasm/blender-5.2.0/tools/utils/credits_git_gen.py
2026-08-12 04:47:48 -04:00

442 lines
14 KiB
Python
Executable File

#!/usr/bin/env python3
# SPDX-FileCopyrightText: 2023 Blender Authors
#
# SPDX-License-Identifier: GPL-2.0-or-later
"""
Example use to generate all credits:
credits_git_gen.py
Example use a custom range:
credits_git_gen.py --source=/src/blender --range=SHA1..HEAD
"""
__all__ = (
"main",
)
# NOTE: this shares the basic structure with `credits_git_gen.py`,
# however details differ enough for them to be separate scripts.
# Improvements to this script may apply there too.
import argparse
import html
import io
import multiprocessing
import os
import sys
import unicodedata
from collections.abc import (
Iterable,
)
from git_log import (
GitCommitIter,
GitCommit,
)
import git_data_canonical_authors
import git_data_sha1_override_authors
IS_ATTY = sys.stdout.isatty()
BASE_DIR = os.path.abspath(os.path.dirname(__file__))
SOURCE_DIR = os.path.normpath(os.path.join(BASE_DIR, "..", ".."))
author_table = git_data_canonical_authors.canonical_author_map()
author_override_table = git_data_sha1_override_authors.sha1_authors_map()
# -----------------------------------------------------------------------------
# Multi-Processing
def process_commits_for_map(commits: Iterable[GitCommit]) -> "Credits":
result = Credits()
for c in commits:
result.process_commit(c)
return result
# -----------------------------------------------------------------------------
# Progress Display
def value_as_percentage(value_partial: int, value_final: int) -> str:
percent = 0.0 if (value_final == 0) else (value_partial / value_final)
return "{:-6.2f}%".format(percent * 100)
if IS_ATTY:
def progress_output(value_partial: int, value_final: int, info: str) -> None:
sys.stdout.write("\r\033[K[{:s}]: {:s}".format(value_as_percentage(value_partial, value_final), info))
else:
def progress_output(value_partial: int, value_final: int, info: str) -> None:
sys.stdout.write("[{:s}]: {:s}\n".format(value_as_percentage(value_partial, value_final), info))
# -----------------------------------------------------------------------------
# Class for generating credits
class CreditUser:
__slots__ = (
"commit_total",
"year_min",
"year_max",
)
def __init__(self) -> None:
self.commit_total = 0
self.year_min = 0
self.year_max = 0
class Credits:
__slots__ = (
"users",
# Use for progress, simply the number of times `process_commit` has been called.
"process_commits_count",
)
def __init__(self) -> None:
self.users: dict[str, CreditUser] = {}
self.process_commits_count = 0
@classmethod
def commit_authors_get(cls, c: GitCommit) -> list[str]:
if (authors_overwrite := author_override_table.get(c.sha1, None)) is not None:
# Ignore git commit info for these having an entry in `author_override_table`.
return [author_table.get(author, author) for author in authors_overwrite]
authors = [c.author] + c.co_authors
# Normalize author string into canonical form, prevents duplicate credit users
authors = [unicodedata.normalize('NFC', author) for author in authors]
return [author_table.get(author, author) for author in authors]
@classmethod
def is_credit_commit_valid(cls, c: GitCommit) -> bool:
ignore_dir = (
b"blender/extern/",
b"blender/intern/opennl/",
)
if not any(f for f in c.files if not f.startswith(ignore_dir)):
return False
return True
def merge(self, other: "Credits") -> None:
"""
Merge other Credits into this, clearing the other.
"""
for user_key, user_other in other.users.items():
user = self.users.get(user_key)
if user is None:
# Consume the user.
self.users[user_key] = user_other
else:
user.commit_total += user_other.commit_total
user.year_min = min(user.year_min, user_other.year_min)
user.year_max = max(user.year_max, user_other.year_max)
other.users.clear()
def process_commit(self, c: GitCommit) -> None:
self.process_commits_count += 1
if not self.is_credit_commit_valid(c):
return
authors = self.commit_authors_get(c)
year = c.date.year
for author in authors:
cu = self.users.get(author)
if cu is None:
cu = self.users[author] = CreditUser()
cu.year_min = year
cu.year_max = year
cu.commit_total += 1
cu.year_min = min(cu.year_min, year)
cu.year_max = max(cu.year_max, year)
def _process_multiprocessing(self, commit_iter: Iterable[GitCommit], *, jobs: int) -> None:
print("Collecting commits...")
# NOTE(@ideasman42): that the chunk size doesn't have as much impact on
# performance as you might expect, values between 16 and 1024 seem reasonable.
# Although higher values tend to bottleneck as the process finishes.
chunk_size = 256
chunk_list = []
chunk = []
for c in commit_iter:
chunk.append(c)
if len(chunk) >= chunk_size:
chunk_list.append(chunk)
chunk = []
if chunk:
chunk_list.append(chunk)
commit_count_total = (max(len(chunk_list) - 1, 0) * chunk_size) + len(chunk)
print("Found {:,d} commits, processing...".format(commit_count_total))
commit_count_handled = 0
with multiprocessing.Pool(processes=jobs) as pool:
for result in pool.imap_unordered(process_commits_for_map, chunk_list):
commit_count_handled += result.process_commits_count
progress_output(
commit_count_handled,
commit_count_total,
"{:,d} / {:,d} commits".format(commit_count_handled, commit_count_total),
)
self.merge(result)
if IS_ATTY:
print("") # Was printing on one-line, move to next.
def process(self, commit_iter: Iterable[GitCommit], *, jobs: int) -> None:
if jobs > 1:
self._process_multiprocessing(commit_iter, jobs=jobs)
return
# Simple single process operation.
for i, c in enumerate(commit_iter):
self.process_commit(c)
if not (i % 100):
print(i)
def write_object(
self,
fh: io.TextIOWrapper,
*,
is_main_credits: bool = True,
contrib_companies: tuple[str, ...] = (),
sort: str = "name",
use_email: bool = False,
) -> None:
commit_word = "commit", "commits"
from unicodedata import normalize
# Normalize using decomposed strings for sorting.
# That makes letters with diacritics grouped with the undiacritized variant.
# Collation is not perfect, but better than having non-English letters at the very bottom of the list.
if sort == "commit":
sorted_authors = dict(sorted(
self.users.items(),
key=lambda item: (item[1].commit_total, normalize('NFD', item[0]).casefold()),
))
else:
sorted_authors = dict(sorted(
self.users.items(),
key=lambda item: (normalize('NFD', item[0]).casefold(), item[1].commit_total),
))
fh.write("<h3>Individual Contributors</h3>\n\n")
for author, cu in sorted_authors.items():
fh.write("{:s}, {:,d} {:s} {:s}<br />\n".format(
html.escape(author if use_email else author.split("<", 1)[0].rstrip()),
cu.commit_total,
commit_word[cu.commit_total > 1],
(
"" if not is_main_credits else (
"- {:d}".format(cu.year_min) if cu.year_min == cu.year_max else
"({:d} - {:d})".format(cu.year_min, cu.year_max)
)
),
))
# -------------------------------------------------------------------------
# Companies, hard coded
if is_main_credits:
fh.write("<h3>Contributions from Companies & Organizations</h3>\n")
fh.write("<p>\n")
for line in contrib_companies:
fh.write("{:s}<br />\n".format(line))
fh.write("</p>\n")
import datetime
now = datetime.datetime.now()
fn = os.path.basename(__file__)
fh.write(
"<p><center><i>Generated by '{:s}' {:d}/{:02d}/{:02d}</i></center></p>\n".format(
fn, now.year, now.month, now.day,
))
def write(
self,
filepath: str,
*,
is_main_credits: bool = True,
contrib_companies: tuple[str, ...] = (),
sort: str = "name",
use_email: bool = False,
) -> None:
with open(filepath, 'w', encoding="ascii", errors='xmlcharrefreplace') as fh:
self.write_object(
fh,
is_main_credits=is_main_credits,
contrib_companies=contrib_companies,
sort=sort,
use_email=use_email,
)
def argparse_create() -> argparse.ArgumentParser:
# When `--help` or no arguments are given, print this help.
usage_text = "Review revisions."
epilog = "This script is used to generate credits"
parser = argparse.ArgumentParser(description=usage_text, epilog=epilog)
parser.add_argument(
"--source",
dest="source_dir",
metavar='PATH',
required=False,
default=SOURCE_DIR,
help="Path to git repository",
)
parser.add_argument(
"--range",
dest="range_sha1",
metavar='SHA1_RANGE',
required=False,
default="HEAD",
help="Range to use, eg: 169c95b8..HEAD or HEAD for all history.",
)
parser.add_argument(
"--sort",
dest="sort",
metavar='METHOD',
required=False,
help="Sort credits by 'name' (default) or 'commit'",
)
# Don't include email addresses, they're useful for identifying developers but better not include in credits.
# Even though it's publicly available, developers may not want this so easily accessible on the credits page.
parser.add_argument(
"--use-email",
dest="use_email",
required=False,
action='store_true',
help="Include the email address in the credits (useful for debugging/investigating issues)",
)
parser.add_argument(
"--jobs",
dest="jobs",
type=int,
default=0,
help=(
"The number of processes to use. "
"Defaults to zero which detects the available cores, 1 is single threaded (useful for debugging)."
),
required=False,
)
return parser
def parse_organizations(authors_file: str) -> tuple[str, ...] | None:
"""
Parse the organizations section from the AUTHORS file.
Return the sorted organizations or None if they could not be found.
"""
orgs = []
section_begin = "# BEGIN organizations section"
section_end = "# END organizations section"
in_section = False
found_end = False
with open(authors_file, "r", encoding="utf-8") as fh:
for line in fh:
if line.startswith(section_begin):
in_section = True
continue
if line.startswith(section_end):
found_end = True
break
if in_section and line and not line.startswith("#"):
# Extract organization name before `<`.
org_name = line.split("<")[0].strip()
# Expected result: `<b>Blender Foundation</b>`.
orgs.append("<b>{:s}</b>".format(html.escape(org_name)))
if not in_section:
print("Error: Could not find \"{:s}\" in AUTHORS file: {:s}".format(section_begin, authors_file))
return None
if not found_end:
print("Error: Could not find \"{:s}\" in AUTHORS file: {:s}".format(section_end, authors_file))
return None
sorted_unique_organizations = tuple(sorted(set(orgs), key=str.casefold))
return sorted_unique_organizations
def main() -> int:
# ----------
# Parse Args
args = argparse_create().parse_args()
# Get organizations in HTML `<b>` tags.
authors_file = os.path.join(args.source_dir, "AUTHORS")
contrib_companies = parse_organizations(authors_file)
if contrib_companies is None:
return 1
credits = Credits()
# commit_range = "HEAD~10..HEAD"
# commit_range = "blender-v2.81-release..blender-v2.82-release"
# commit_range = "blender-v2.82-release"
commit_range = args.range_sha1
sort = args.sort
jobs = args.jobs
if jobs <= 0:
# Clamp the value, higher values give errors with too many open files.
# Allow users to manually pass very high values in as they might want to tweak system limits themselves.
jobs = min(multiprocessing.cpu_count(), 400)
credits.process(GitCommitIter(args.source_dir, commit_range), jobs=jobs)
# Report when a single name has multiple entries,
# as they may need deduplicating in git_data_canonical_authors.py.
unique_author_names = {}
unique_author_emails = {}
for author in credits.users:
author_name, author_email = author.rsplit("<", 1)
author_name = author_name.rstrip()
author_email = "<" + author_email
unique_author_name = unique_author_names.setdefault(author_name, [])
unique_author_name.append(author_email)
unique_author_email = unique_author_emails.setdefault(author_email, [])
unique_author_email.append(author_name)
for name, emails in sorted(unique_author_names.items()):
if len(emails) > 1:
print(f"More than one entry for {name}:")
for email in sorted(emails):
print(f' "{name} {email}",')
for email, names in sorted(unique_author_emails.items()):
if len(names) > 1:
print(f"More than one entry for {email}:")
for name in sorted(names):
print(f' "{name} {email}",')
credits.write(
"credits.html",
is_main_credits=True,
contrib_companies=contrib_companies,
sort=sort,
use_email=args.use_email,
)
print("Written: credits.html")
return 0
if __name__ == "__main__":
sys.exit(main())