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# Copyright (C) 2005 by Aaron Bentley
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
import errno
import os
from bzrlib.osutils import has_symlinks, isdir
import shutil
from bzrlib.branch import Branch
import sys
def is_detritus(subp):
return subp.endswith('.THIS') or subp.endswith('.BASE') or\
subp.endswith('.OTHER') or subp.endswith('~') or subp.endswith('.tmp')
def iter_deletables(tree, unknown=True, ignored=False, detritus=False):
"""Iterate through files that may be deleted"""
for subp in tree.extras():
if detritus and is_detritus(subp):
yield tree.abspath(subp), subp
continue
if tree.is_ignored(subp):
if ignored:
yield tree.abspath(subp), subp
else:
if unknown:
yield tree.abspath(subp), subp
def clean_tree(directory, ignored=False, detritus=False, dry_run=False,
to_file=sys.stdout):
br = Branch.open_containing(directory)[0]
tree = br.working_tree()
deletables = iter_deletables(tree, ignored=ignored, detritus=detritus)
delete_items(deletables, dry_run=dry_run, to_file=to_file)
def delete_items(deletables, dry_run=False, to_file=sys.stdout):
"""Delete files in the deletables iterable"""
has_deleted = False
for path, subp in deletables:
if not has_deleted:
print >> to_file, "deleting paths:"
has_deleted = True
print >> to_file, ' ', subp
if not dry_run:
if isdir(path):
shutil.rmtree(path)
else:
os.unlink(path)
if not has_deleted:
print >> to_file, "No files deleted."
def test_suite():
from bzrlib.selftest import TestCaseInTempDir
from unittest import makeSuite
import os.path
from StringIO import StringIO
class TestCleanTree(TestCaseInTempDir):
def test_symlinks(self):
if has_symlinks() is False:
return
os.mkdir('branch')
b = Branch.initialize('branch')
os.symlink(os.path.realpath('no-die-please'), 'branch/die-please')
os.mkdir('no-die-please')
assert os.path.exists('branch/die-please')
os.mkdir('no-die-please/child')
clean_tree('branch', to_file=StringIO())
assert os.path.exists('no-die-please')
assert os.path.exists('no-die-please/child')
def test_iter_deletable(self):
"""Files are selected for deletion appropriately"""
os.mkdir('branch')
b = Branch.initialize('branch')
tree = b.working_tree()
file('branch/file.BASE', 'wb').write('contents')
self.assertEqual(len(list(iter_deletables(tree))), 1)
file('branch/file~', 'wb').write('contents')
file('branch/file.pyc', 'wb').write('contents')
dels = [r for a,r in iter_deletables(tree)]
assert 'file~' not in dels
assert 'file.pyc' not in dels
dels = [r for a,r in iter_deletables(tree, detritus=True)]
assert 'file~' in dels
assert 'file.pyc' not in dels
dels = [r for a,r in iter_deletables(tree, ignored=True)]
assert 'file~' in dels
assert 'file.BASE' in dels
assert 'file.pyc' in dels
dels = [r for a,r in iter_deletables(tree, unknown=False)]
assert 'file.BASE' not in dels
return makeSuite(TestCleanTree)
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