from distutils.util import convert_path
from distutils import log
from distutils.errors import DistutilsOptionError
import os
import shutil
from setuptools.extern import six
from setuptools import Command
class rotate(Command):
"""Delete older distributions"""
description = "delete older distributions, keeping N newest files"
user_options = [
('match=', 'm', "patterns to match (required)"),
('dist-dir=', 'd', "directory where the distributions are"),
('keep=', 'k', "number of matching distributions to keep"),
]
boolean_options = []
def initialize_options(self):
self.match = None
self.dist_dir = None
self.keep = None
def finalize_options(self):
if self.match is None:
raise DistutilsOptionError(
"Must specify one or more (comma-separated) match patterns "
"(e.g. '.zip' or '.egg')"
)
if self.keep is None:
raise DistutilsOptionError("Must specify number of files to keep")
try:
self.keep = int(self.keep)
except ValueError:
raise DistutilsOptionError("--keep must be an integer")
if isinstance(self.match, six.string_types):
self.match = [
convert_path(p.strip()) for p in self.match.split(',')
]
self.set_undefined_options('bdist', ('dist_dir', 'dist_dir'))
def run(self):
self.run_command("egg_info")
from glob import glob
for pattern in self.match:
pattern = self.distribution.get_name() + '*' + pattern
files = glob(os.path.join(self.dist_dir, pattern))
files = [(os.path.getmtime(f), f) for f in files]
files.sort()
files.reverse()
log.info("%d file(s) matching %s", len(files), pattern)
files = files[self.keep:]
for (t, f) in files:
log.info("Deleting %s", f)
if not self.dry_run:
if os.path.isdir(f):
shutil.rmtree(f)
else:
os.unlink(f)
