/
check_buildout_updates.py
142 lines (126 loc) · 5.36 KB
/
check_buildout_updates.py
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"""Command line for Buildout Versions Checker"""
import copy
import logging
import sys
from argparse import Action
from argparse import ArgumentError
from argparse import ArgumentParser
from argparse import _ensure_value
from six import string_types
from bvc.checker import VersionsChecker
from bvc.configparser import VersionsConfigParser
from bvc.indentation import perfect_indentation
from bvc.logger import logger
class StoreSpecifiers(Action):
def __call__(self, parser, namespace, values, option_string=None):
items = copy.copy(_ensure_value(namespace, self.dest, {}))
try:
key, value = values.split(':')
except ValueError:
raise ArgumentError(self, 'key:value syntax not followed')
key = key.strip()
value = value.strip()
if not key or not value:
raise ArgumentError(self, 'key or value are empty')
items.update({key: value})
setattr(namespace, self.dest, items)
def cmdline(argv=sys.argv[1:]):
parser = ArgumentParser(
description='Check availables updates from a '
'version section of a buildout script')
parser.add_argument(
'source', default='versions.cfg', nargs='?',
help='The file where versions are pinned '
'(default: versions.cfg)')
version_group = parser.add_argument_group('Allowed versions')
version_group.add_argument(
'--pre', action='store_true', dest='prereleases', default=False,
help='Allow pre-releases and development versions '
'(by default only stable versions are found)')
version_group.add_argument(
'-s', '--specifier', action=StoreSpecifiers,
dest='specifiers', default={},
help='Describe what versions of a package are acceptable. '
'Example "package:>=1.0,!=1.3.4.*,< 2.0" '
'(can be used multiple times)')
filter_group = parser.add_argument_group('Filtering')
filter_group.add_argument(
'-i', '--include', action='append', dest='includes', default=[],
help='Include package when checking updates '
'(can be used multiple times)')
filter_group.add_argument(
'-e', '--exclude', action='append', dest='excludes', default=[],
help='Exclude package when checking updates '
'(can be used multiple times)')
file_group = parser.add_argument_group('File')
file_group.add_argument(
'-w', '--write', action='store_true', dest='write', default=False,
help='Write the updates in the source file')
file_group.add_argument(
'--indent', dest='indentation', type=int, default=-1,
help='Spaces used when indenting "key = value" (default: auto)')
file_group.add_argument(
'--sorting', dest='sorting', default='',
choices=['alpha', 'ascii', 'length'],
help='Sorting algorithm used on the keys when writing source file '
'(default: None)')
network_group = parser.add_argument_group('Network')
network_group.add_argument(
'--service-url', dest='service_url',
default='http://pypi.python.org/pypi',
help='The service to use for checking the packages '
'(default: http://pypi.python.org/pypi)')
network_group.add_argument(
'--timeout', dest='timeout', type=int, default=10,
help='Timeout for each request (default: 10s)')
network_group.add_argument(
'-t', '--threads', dest='threads', type=int, default=10,
help='Threads used for checking the versions in parallel')
verbosity_group = parser.add_argument_group('Verbosity')
verbosity_group.add_argument(
'-v', action='count', dest='verbosity', default=1,
help='Increase verbosity (specify multiple times for more)')
verbosity_group.add_argument(
'-q', action='count', dest='quietly', default=0,
help='Decrease verbosity (specify multiple times for more)')
if isinstance(argv, string_types):
argv = argv.split()
options = parser.parse_args(argv)
verbose_logs = {0: 100,
1: logging.WARNING,
2: logging.INFO,
3: logging.DEBUG}
verbosity = min(3, max(0, options.verbosity - options.quietly))
console = logging.StreamHandler(sys.stdout)
console.setLevel(verbose_logs[verbosity])
logger.addHandler(console)
source = options.source
try:
checker = VersionsChecker(
source,
options.specifiers, options.prereleases,
options.includes, options.excludes,
options.service_url, options.timeout,
options.threads)
except Exception as e:
sys.exit(str(e))
if not checker.updates:
sys.exit(0)
indentation = options.indentation
if indentation < 0:
indentation = perfect_indentation(checker.updates.keys())
logger.warning('[versions]')
for package, version in checker.updates.items():
logger.warning('%s= %s', package.ljust(indentation), version)
if options.write:
config = VersionsConfigParser(
indentation=options.indentation,
sorting=options.sorting)
config.read(source)
if not config.has_section('versions'):
config.add_section('versions')
for package, version in checker.updates.items():
config.set('versions', package, version)
config.write(source)
logger.info('- %s updated.', source)
sys.exit(0)