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# Copyright 2013-2021 Lawrence Livermore National Security, LLC and other
# Spack Project Developers. See the top-level COPYRIGHT file for details.
#
# SPDX-License-Identifier: (Apache-2.0 OR MIT)
import os
import re
import llnl.util.tty as tty
from llnl.util.lang import pretty_date
from llnl.util.filesystem import working_dir
from llnl.util.tty.colify import colify_table
import spack.paths
import spack.repo
from spack.util.executable import which
from spack.cmd import spack_is_git_repo
description = "show contributors to packages"
section = "developer"
level = "long"
def setup_parser(subparser):
view_group = subparser.add_mutually_exclusive_group()
view_group.add_argument(
'-t', '--time', dest='view', action='store_const', const='time',
default='time', help='sort by last modification date (default)')
view_group.add_argument(
'-p', '--percent', dest='view', action='store_const', const='percent',
help='sort by percent of code')
view_group.add_argument(
'-g', '--git', dest='view', action='store_const', const='git',
help='show git blame output instead of summary')
subparser.add_argument(
'package_or_file', help='name of package to show contributions for, '
'or path to a file in the spack repo')
def blame(parser, args):
# make sure this is a git repo
if not spack_is_git_repo():
tty.die("This spack is not a git clone. Can't use 'spack blame'")
git = which('git', required=True)
# Get name of file to blame
blame_file = None
if os.path.isfile(args.package_or_file):
path = os.path.realpath(args.package_or_file)
if path.startswith(spack.paths.prefix):
blame_file = path
if not blame_file:
pkg = spack.repo.get(args.package_or_file)
blame_file = pkg.module.__file__.rstrip('c') # .pyc -> .py
# get git blame for the package
with working_dir(spack.paths.prefix):
if args.view == 'git':
git('blame', blame_file)
return
else:
output = git('blame', '--line-porcelain', blame_file, output=str)
lines = output.split('\n')
# Histogram authors
counts = {}
emails = {}
last_mod = {}
total_lines = 0
for line in lines:
match = re.match(r'^author (.*)', line)
if match:
author = match.group(1)
match = re.match(r'^author-mail (.*)', line)
if match:
email = match.group(1)
match = re.match(r'^author-time (.*)', line)
if match:
mod = int(match.group(1))
last_mod[author] = max(last_mod.setdefault(author, 0), mod)
# ignore comments
if re.match(r'^\t[^#]', line):
counts[author] = counts.setdefault(author, 0) + 1
emails.setdefault(author, email)
total_lines += 1
if args.view == 'time':
rows = sorted(
counts.items(), key=lambda t: last_mod[t[0]], reverse=True)
else: # args.view == 'percent'
rows = sorted(counts.items(), key=lambda t: t[1], reverse=True)
# Print a nice table with authors and emails
table = [['LAST_COMMIT', 'LINES', '%', 'AUTHOR', 'EMAIL']]
for author, nlines in rows:
table += [[
pretty_date(last_mod[author]),
nlines,
round(nlines / float(total_lines) * 100, 1),
author,
emails[author]]]
table += [[''] * 5]
table += [[pretty_date(max(last_mod.values())), total_lines, '100.0'] +
[''] * 3]
colify_table(table)
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