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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=""):
"""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 (if empty, uses main repo name)
Returns:
A dict mapping the keyword to its preferred state:
{'x86': ('stable', 'arch'), 'mips': ('dev', '~arch'), ...}
"""
if portdir is None:
repos = portage.db[portage.root]["vartree"].settings.repositories
if repo == "":
main_repo = repos.mainRepo()
if main_repo is None:
repo = "gentoo"
else:
repo = main_repo.name
portdir = repos[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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