def test_read_all(self):
res = fileutils.write_to_tempfile(self.content)
self.assertTrue(os.path.exists(res))
out, unread_bytes = fileutils.last_bytes(res, 1000)
self.assertEqual(b'1234567890', out)
self.assertEqual(0, unread_bytes)
def test_truncated(self):
res = fileutils.write_to_tempfile(self.content)
self.assertTrue(os.path.exists(res))
out, unread_bytes = fileutils.last_bytes(res, 5)
self.assertEqual(b'67890', out)
self.assertGreater(unread_bytes, 0)
def test_truncated(self):
res = fileutils.write_to_tempfile(self.content)
self.assertTrue(os.path.exists(res))
out, unread_bytes = fileutils.last_bytes(res, 5)
self.assertEqual(b'67890', out)
self.assertGreater(unread_bytes, 0)
def test_read_all(self):
res = fileutils.write_to_tempfile(self.content)
self.assertTrue(os.path.exists(res))
out, unread_bytes = fileutils.last_bytes(res, 1000)
self.assertEqual(b'1234567890', out)
self.assertEqual(0, unread_bytes)
from oslo_utils import fileutils
import os
import shutil
path = 'path/to/here'
fileutils.ensure_tree(path)
file = fileutils.write_to_tempfile('hello fileutils', path)
print("template file " + file)
for n in ['sha1', 'md5', 'sha256']:
print(
fileutils.compute_file_checksum(file,
read_chunksize=65536,
algorithm=n))
print(fileutils.last_bytes(file, 1))
print(fileutils.last_bytes(file, 10000))
fileutils.delete_if_exists(file)
# any exception will cause the path to be deleted.
#fileutils.remove_path_on_error(path)
# fileutils have no routine for directory :(
shutil.rmtree('path')