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"""
A set of utility functions to query portage repos
"""
import os
from os import path
from portage.versions import best
from pomu.repo.repo import portage_repos, portage_repo_path
from pomu.util.pkg import cpv_split, ver_str
misc_dirs = ['profiles', 'licenses', 'eclass', 'metadata', 'distfiles', 'packages', 'scripts', '.git']
def best_ver(repo, category, name, ver=None):
"""Gets the best (newest) version of a package in the repo"""
if ver:
return ver if path.exists(path.join(portage_repo_path(repo),
category, name, '{}-{}.ebuild'.format(name, ver))) else None
ebuilds = [category + '/' + name + x[len(name):-7] for x in
os.listdir(path.join(portage_repo_path(repo), category, name))
if x.endswith('.ebuild')]
cat, name, vernum, suff, rev = cpv_split(best(ebuilds))
return ver_str(vernum, suff, rev)
def repo_pkgs(repo, category, name, ver=None, slot=None):
"""List of package occurences in the repo"""
if not repo:
res = []
for r in portage_repos():
res.extend(repo_pkgs(r, category, name, ver, slot))
return res
if category:
if path.exists(path.join(portage_repo_path(repo), category, name)):
res = best_ver(repo, category, name, ver)
return [(repo, category, name, res)] if res else []
return []
rpath = portage_repo_path(repo)
dirs = set(os.listdir(rpath)) - set(misc_dirs)
res = []
for d in dirs:
if path.isdir(path.join(rpath, d, name)):
res.append((repo, d, name, best_ver(repo, d, name, ver)))
return res
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