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#!/usr/bin/env python3
#
# Copyright (c) 2015 Jon Turney
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
#
#
# utilities for working with a maintainer list
#
#
# things we know about a maintainer:
#
# - their home directory
# - the list of packages they maintain (given by cygwin-pkg-list)
# - an email address (in HOME/!email (or !mail), as we don't want to publish
# it, and want to allow the maintainer to change it)
# - the timestamp when 'ignoring' warnings were last emitted
#
# XXX: Rather than this implementing an object which reads cygwin-pkg-maint when
# constructed at specific places in the code, perhaps this needs to contain the
# list (and it's inversion) and accessors, and invalidate that stored list when
# cygwin-pkg-maint changes...
import itertools
import logging
import os
import re
from collections import defaultdict
from . import utils
#
#
#
class Maintainer(object):
_homedirs = ''
def __init__(self, name, email=None, pkgs=None):
if email is None:
email = []
if pkgs is None:
pkgs = []
self.name = name
self.email = email
self.pkgs = pkgs
self.quiet = False
# the mtime of this file records the timestamp
reminder_file = os.path.join(self.homedir(), '!reminder-timestamp')
if os.path.exists(reminder_file):
self.reminder_time = os.path.getmtime(reminder_file)
else:
self.reminder_time = 0
self.reminders_issued = False
self.reminders_timestamp_checked = False
def __repr__(self):
return "maintainers.Maintainer('%s', %s, %s)" % (self.name, self.email, self.pkgs)
def homedir(self):
return os.path.join(Maintainer._homedirs, self.name)
def _update_reminder_time(self):
reminder_file = os.path.join(self.homedir(), '!reminder-timestamp')
if self.reminders_issued:
# if reminders were issued, update the timestamp
logging.debug("updating reminder time for %s" % self.name)
utils.touch(reminder_file)
elif (not self.reminders_timestamp_checked) and (self.reminder_time != 0):
# if we didn't need to check the reminder timestamp, it can be
# reset
logging.debug("resetting reminder time for %s" % self.name)
try:
os.remove(reminder_file)
except FileNotFoundError:
pass
@staticmethod
def _find(mlist, name):
mlist.setdefault(name, Maintainer(name))
return mlist[name]
# add maintainers which have existing directories
def add_directories(mlist, homedirs):
Maintainer._homedirs = homedirs
for n in os.listdir(homedirs):
if not os.path.isdir(os.path.join(homedirs, n)):
continue
m = Maintainer._find(mlist, n)
# !mail is the deprecated historical alternative
for e in ['!email', '!mail']:
email = os.path.join(homedirs, m.name, e)
if os.path.isfile(email):
with open(email) as f:
for l in f:
# one address per line, ignore blank and comment lines
if l.startswith('#'):
continue
l = l.strip()
if l.lower() == 'quiet':
m.quiet = True
elif l:
m.email.append(l)
if not m.email:
logging.error("no email address known for maintainer '%s'" % (m.name))
return mlist
# add maintainers from the package maintainers list, with the packages they
# maintain
def add_packages(mlist, pkglist, prev_maint=True):
with open(pkglist) as f:
for (i, l) in enumerate(f):
l = l.rstrip()
# match lines of the form '<package> <maintainer(s)|status>'
match = re.match(r'^(\S+)\s+(.+)$', l)
if match:
pkg = match.group(1)
rest = match.group(2)
# does rest starts with a status in all caps?
status_match = re.match(r'^([A-Z]{2,})\b.*$', rest)
if status_match:
status = status_match.group(1)
# ignore packages marked as 'OBSOLETE'
if status == 'OBSOLETE':
continue
# orphaned packages are assigned to 'ORPHANED'
elif status == 'ORPHANED':
m = status
if prev_maint:
# also add any previous maintainer(s) listed
prevm = re.match(r'^ORPHANED\s\((.*)\)', rest)
if prevm:
m = m + '/' + prevm.group(1)
else:
logging.error("unknown package status '%s' in line %s:%d: '%s'" % (status, pkglist, i, l))
continue
else:
m = rest
# joint maintainers are separated by '/'
for name in m.split('/'):
name = name.strip()
# is the maintainer name ascii?
#
# (despite containing spaces, think of these as an account
# name, rather than a display name)
try:
name.encode('ascii')
except UnicodeError:
logging.error("non-ascii maintainer name '%s' in line %s:%d, skipped" % (rest, pkglist, i))
continue
m = Maintainer._find(mlist, name)
m.pkgs.append(pkg)
else:
logging.error("unrecognized line in %s:%d: '%s'" % (pkglist, i, l))
return mlist
# create maintainer list
def read(args, prev_maint=True):
mlist = {}
mlist = add_directories(mlist, args.homedir)
mlist = add_packages(mlist, args.pkglist, prev_maint)
return mlist
# invert to a per-package list of maintainers
def invert(mlist):
_pkgs = defaultdict(list)
# for each maintainer
for m in mlist.values():
# for each package
for p in m.pkgs:
# add the maintainer name
_pkgs[p].append(m.name)
return _pkgs
def update_reminder_times(mlist):
for m in mlist.values():
m._update_reminder_time()
# a list of all packages
def all_packages(mlist):
return list(itertools.chain.from_iterable(mlist[m].pkgs for m in mlist))
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