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#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
gs_db_tool.py
~~~~~~~~~~~~~
CLI to manipulate with package DB
:copyright: (c) 2013 by Jauhien Piatlicki
:license: GPL-2, see LICENSE for more details.
"""
import argparse
from g_sorcery.package_db import PackageDB
def main():
parser = \
argparse.ArgumentParser(description='Package DB manipulation tool')
parser.add_argument('db_dir')
subparsers = parser.add_subparsers()
p_ebuild_data = subparsers.add_parser('ebuild_data')
p_ebuild_data_subparsers = p_ebuild_data.add_subparsers()
p_ebuild_data_rename = p_ebuild_data_subparsers.add_parser('add_var')
p_ebuild_data_rename.set_defaults(func=add_var)
p_ebuild_data_rename.add_argument('name')
p_ebuild_data_rename.add_argument('-f', '--function')
p_ebuild_data_rename.add_argument('-l', '--lambda_function')
p_ebuild_data_rename.add_argument('-v', '--value')
p_ebuild_data_rename = p_ebuild_data_subparsers.add_parser('rename_var')
p_ebuild_data_rename.set_defaults(func=rename_var)
p_ebuild_data_rename.add_argument('old_name')
p_ebuild_data_rename.add_argument('new_name')
p_ebuild_data_show_all = p_ebuild_data_subparsers.add_parser('show_all')
p_ebuild_data_show_all.set_defaults(func=show_all)
p_ebuild_data_for_all = p_ebuild_data_subparsers.add_parser('for_all')
p_ebuild_data_for_all.add_argument('function')
p_ebuild_data_for_all.set_defaults(func=for_all)
p_sync = subparsers.add_parser('sync')
p_sync.set_defaults(func=sync)
p_sync.add_argument('uri')
args = parser.parse_args()
pkg_db = PackageDB(args.db_dir)
return args.func(pkg_db, args)
def transform_db(function):
def transformator(pkg_db, args):
pkg_db.read()
function(pkg_db, args)
pkg_db.write_and_manifest()
return transformator
def read_db(function):
def reader(pkg_db, args):
pkg_db.read()
function(pkg_db, args)
return reader
@read_db
def for_all(pkg_db, args):
for package, ebuild_data in pkg_db:
exec(args.function)
@transform_db
def add_var(pkg_db, args):
if args.function:
for package, ebuild_data in pkg_db:
exec(args.function)
ebuild_data[args.name] = value
pkg_db.add_package(package, ebuild_data)
elif args.lambda_function:
lmbd = "lambda ebuild_data: " + args.lambda_function
f = eval(lmbd)
for package, ebuild_data in pkg_db:
value = f(ebuild_data)
ebuild_data[args.name] = value
pkg_db.add_package(package, ebuild_data)
elif args.value:
for package, ebuild_data in pkg_db:
ebuild_data[args.name] = args.value
pkg_db.add_package(package, ebuild_data)
@read_db
def show_all(pkg_db, args):
for package, ebuild_data in pkg_db:
print(package)
print('-' * len(str(package)))
for key, value in ebuild_data.items():
print(" " + key + ": " + repr(value))
print("")
def sync(pkg_db, args):
pkg_db.sync(args.uri)
@transform_db
def rename_var(pkg_db, args):
for package, ebuild_data in pkg_db:
if args.old_name in ebuild_data:
value = ebuild_data.pop(args.old_name)
ebuild_data[args.new_name] = value
pkg_db.add_package(package, ebuild_data)
if __name__ == "__main__":
sys.exit(main())
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