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#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
elpa_db.py
~~~~~~~~~~
ELPA package database
:copyright: (c) 2013 by Jauhien Piatlicki
:license: GPL-2, see LICENSE for more details.
"""
import os
import sexpdata
from g_sorcery.compatibility import py2k, TemporaryDirectory
if py2k:
from urlparse import urljoin
else:
from urllib.parse import urljoin
from g_sorcery.g_collections import Dependency, Package, serializable_elist
from g_sorcery.package_db import PackageDB
from g_sorcery.fileutils import load_remote_file
from g_sorcery.exceptions import SyncError
class ElpaDB(PackageDB):
def __init__(self, directory, repo_uri="", db_uri=""):
super(ElpaDB, self).__init__(directory, repo_uri, db_uri)
def get_download_uries(self):
ac_uri = urljoin(self.repo_uri, 'archive-contents')
return [{"uri" : ac_uri, "parser" : sexpdata.load}]
def process_data(self, data):
archive_contents = data['archive-contents']
if sexpdata.car(archive_contents) != 1:
raise SyncError('sync failed: ' + self.repo_uri + ' bad archive contents format')
self.add_category('app-emacs')
PKG_INFO = 2
PKG_NAME = 0
INFO_VERSION = 0
INFO_DEPENDENCIES = 1
INFO_DESCRIPTION = 2
INFO_SRC_TYPE = 3
DEP_NAME = 0
DEP_VERSION = 1
for entry in sexpdata.cdr(archive_contents):
desc = entry[PKG_INFO].value()
pkg = self._s_get_package(entry[PKG_NAME], desc[INFO_VERSION])
source_type = desc[INFO_SRC_TYPE].value()
allowed_ords = set(range(ord('a'), ord('z'))) | set(range(ord('A'), ord('Z'))) | \
set(range(ord('0'), ord('9'))) | set(list(map(ord,
['+', '_', '-', ' ', '.', '(', ')', '[', ']', '{', '}', ','])))
description = "".join([x for x in desc[INFO_DESCRIPTION] if ord(x) in allowed_ords])
deps = desc[INFO_DEPENDENCIES]
dependencies = []
depend = serializable_elist(separator="\n\t")
realname = entry[PKG_NAME].value()
for dep in deps:
dep_pkg = self._s_get_package(dep[DEP_NAME], dep[DEP_VERSION])
dependencies.append(dep_pkg)
depend.append(Dependency(dep_pkg.category, dep_pkg.name))
properties = {'source_type' : source_type,
'description' : description,
'dependencies' : dependencies,
'depend' : depend,
'rdepend' : depend,
'homepage' : self.repo_uri,
'repo_uri' : self.repo_uri,
'realname' : realname,
#eclass entry
'eclasses' : ['g-elpa'],
#metadata entries
'maintainer' : [{'email' : 'piatlicki@gmail.com',
'name' : 'Jauhien Piatlicki'}],
'longdescription' : description
}
self.add_package(pkg, properties)
def _s_get_package(self, name, version):
category = 'app-emacs'
version = '.'.join(map(str, version))
return Package(category, name.value(), version)
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