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#!/usr/bin/python
# Copyright 2020 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
#
# Licensed under the GNU General Public License, v2
"""Routines to load profile information for ekeyword/eshowkw"""
__all__ = (
'load_profile_data',
)
import os.path
import portage
import sys
from portage import _encodings, _unicode_encode
def warning(msg):
"""Write |msg| as a warning to stderr"""
print('warning: %s' % msg, file=sys.stderr)
def load_profile_data(portdir=None, repo='gentoo'):
"""Load the list of known arches from the tree
Args:
portdir: The repository to load all data from (and ignore |repo|)
repo: Look up this repository by name to locate profile data
Returns:
A dict mapping the keyword to its preferred state:
{'x86': ('stable', 'arch'), 'mips': ('dev', '~arch'), ...}
"""
if portdir is None:
portdir = portage.db[portage.root]['vartree'].settings.repositories[repo].location
arch_status = {}
try:
arch_list = os.path.join(portdir, 'profiles', 'arch.list')
with open(_unicode_encode(arch_list, encoding=_encodings['fs']),
encoding=_encodings['content']) as f:
for line in f:
line = line.split('#', 1)[0].strip()
if line:
arch_status[line] = None
except IOError:
pass
try:
profile_status = {
'stable': 0,
'dev': 1,
'exp': 2,
None: 3,
}
profiles_list = os.path.join(portdir, 'profiles', 'profiles.desc')
with open(_unicode_encode(profiles_list, encoding=_encodings['fs']),
encoding=_encodings['content']) as f:
for line in f:
line = line.split('#', 1)[0].split()
if line:
arch, _profile, status = line
arch_status.setdefault(arch, status)
curr_status = profile_status[arch_status[arch]]
new_status = profile_status[status]
if new_status < curr_status:
arch_status[arch] = status
except IOError:
pass
if arch_status:
arch_status['all'] = None
else:
warning('could not read profile files: %s' % arch_list)
warning('will not be able to verify args are correct')
arches_desc = {}
try:
arches_list = os.path.join(portdir, 'profiles', 'arches.desc')
with open(_unicode_encode(arches_list, encoding=_encodings['fs']),
encoding=_encodings['content']) as f:
for line in f:
line = line.split('#', 1)[0].split()
if line:
arch, status = line
arches_desc[arch] = status
except IOError:
# backwards compatibility
arches_desc = {
'alpha': 'testing',
'ia64': 'testing',
'm68k': 'testing',
'mips': 'testing',
'riscv': 'testing',
}
for k in arch_status:
if '-' in k:
arches_desc[k] = 'testing'
for k, v in arch_status.items():
if arches_desc.get(k) == 'testing':
arch_status[k] = (v, '~arch')
else:
# TODO: explicit distinction of transitional, bad values?
arch_status[k] = (v, 'arch')
return arch_status
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