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paramiko
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Use 'with' for opening most file and SFTPFIle objects

This commit is contained in:
Scott Maxwell 2013-11-19 08:56:53 -08:00
parent 7471515fff
commit 2da5f1fb45
12 changed files with 272 additions and 354 deletions
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3
demos/demo_sftp.py
View File

@ -96,7 +96,8 @@ try:
sftp.mkdir("demo_sftp_folder")
except IOError:
print('(assuming demo_sftp_folder/ already exists)')
sftp.open('demo_sftp_folder/README', 'w').write('This was created by demo_sftp.py.\n')
with sftp.open('demo_sftp_folder/README', 'w') as f:
f.write('This was created by demo_sftp.py.\n')
with open('demo_sftp.py', 'r') as f:
data = f.read()
sftp.open('demo_sftp_folder/demo_sftp.py', 'w').write(data)

3
paramiko/client.py
View File

@ -192,11 +192,10 @@ class SSHClient (object):
if self.known_hosts is not None:
self.load_host_keys(self.known_hosts)
f = open(filename, 'w')
with open(filename, 'w') as f:
for hostname, keys in self._host_keys.items():
for keytype, key in keys.items():
f.write('%s %s %s\n' % (hostname, keytype, key.get_base64()))
f.close()
def get_host_keys(self):
"""

10
paramiko/hostkeys.py
View File

@ -172,8 +172,7 @@ class HostKeys (MutableMapping):
@raise IOError: if there was an error reading the file
"""
f = open(filename, 'r')
try:
with open(filename, 'r') as f:
for lineno, line in enumerate(f):
line = line.strip()
if (len(line) == 0) or (line[0] == '#'):
@ -186,8 +185,6 @@ class HostKeys (MutableMapping):
e.hostnames.remove(h)
if len(e.hostnames):
self._entries.append(e)
finally:
f.close()
def save(self, filename):
"""
@ -203,14 +200,11 @@ class HostKeys (MutableMapping):
@since: 1.6.1
"""
f = open(filename, 'w')
try:
with open(filename, 'w') as f:
for e in self._entries:
line = e.to_line()
if line:
f.write(line)
finally:
f.close()
def lookup(self, hostname):
"""

10
paramiko/pkey.py
View File

@ -282,11 +282,8 @@ class PKey (object):
encrypted, and C{password} is C{None}.
@raise SSHException: if the key file is invalid.
"""
f = open(filename, 'r')
try:
with open(filename, 'r') as f:
data = self._read_private_key(tag, f, password)
finally:
f.close()
return data
def _read_private_key(self, tag, f, password=None):
@ -354,13 +351,10 @@ class PKey (object):
@raise IOError: if there was an error writing the file.
"""
f = open(filename, 'w', o600)
try:
with open(filename, 'w', o600) as f:
# grrr... the mode doesn't always take hold
os.chmod(filename, o600)
self._write_private_key(tag, f, data, password)
finally:
f.close()
def _write_private_key(self, tag, f, data, password=None):
f.write('-----BEGIN %s PRIVATE KEY-----\n' % tag)

5
paramiko/primes.py
View File

@ -113,8 +113,7 @@ class ModulusPack (object):
@raise IOError: passed from any file operations that fail.
"""
self.pack = {}
f = open(filename, 'r')
try:
with open(filename, 'r') as f:
for line in f:
line = line.strip()
if (len(line) == 0) or (line[0] == '#'):
@ -123,8 +122,6 @@ class ModulusPack (object):
self._parse_modulus(line)
except:
continue
finally:
f.close()
def get_modulus(self, min, prefer, max):
bitsizes = sorted(self.pack.keys())

20
paramiko/sftp_client.py
View File

@ -561,10 +561,9 @@ class SFTPClient (BaseSFTP):
@since: 1.4
"""
fr = self.file(remotepath, 'wb')
with self.file(remotepath, 'wb') as fr:
fr.set_pipelined(True)
size = 0
try:
while True:
data = fl.read(32768)
fr.write(data)
@ -573,8 +572,6 @@ class SFTPClient (BaseSFTP):
callback(size, file_size)
if len(data) == 0:
break
finally:
fr.close()
if confirm:
s = self.stat(remotepath)
if s.st_size != size:
@ -610,11 +607,8 @@ class SFTPClient (BaseSFTP):
@since: 1.4
"""
file_size = os.stat(localpath).st_size
fl = open(localpath, 'rb')
try:
with open(localpath, 'rb') as fl:
return self.putfo(fl, remotepath, os.stat(localpath).st_size, callback, confirm)
finally:
fl.close()
def getfo(self, remotepath, fl, callback=None):
"""
@ -636,10 +630,9 @@ class SFTPClient (BaseSFTP):
@since: 1.4
"""
fr = self.open(remotepath, 'rb')
with self.open(remotepath, 'rb') as fr:
file_size = self.stat(remotepath).st_size
fr.prefetch()
try:
size = 0
while True:
data = fr.read(32768)
@ -649,8 +642,6 @@ class SFTPClient (BaseSFTP):
callback(size, file_size)
if len(data) == 0:
break
finally:
fr.close()
return size
def get(self, remotepath, localpath, callback=None):
@ -671,11 +662,8 @@ class SFTPClient (BaseSFTP):
@since: 1.4
"""
file_size = self.stat(remotepath).st_size
fl = open(localpath, 'wb')
try:
with open(localpath, 'wb') as fl:
size = self.getfo(remotepath, fl, callback)
finally:
fl.close()
s = os.stat(localpath)
if s.st_size != size:
raise IOError('size mismatch in get! %d != %d' % (s.st_size, size))

5
paramiko/sftp_server.py
View File

@ -166,11 +166,8 @@ class SFTPServer (BaseSFTP, SubsystemHandler):
if attr._flags & attr.FLAG_AMTIME:
os.utime(filename, (attr.st_atime, attr.st_mtime))
if attr._flags & attr.FLAG_SIZE:
f = open(filename, 'w+')
try:
with open(filename, 'w+') as f:
f.truncate(attr.st_size)
finally:
f.close()
set_file_attr = staticmethod(set_file_attr)

3
tests/test_hostkeys.py
View File

@ -56,9 +56,8 @@ Ngw3qIch/WgRmMHy4kBq1SsXMjQCte1So6HBMvBPIW5SiMTmjCfZZiw4AYHK+B/JaOwaG9yRg2Ejg\
class HostKeysTest (unittest.TestCase):
def setUp(self):
f = open('hostfile.temp', 'w')
with open('hostfile.temp', 'w') as f:
f.write(test_hosts_file)
f.close()
def tearDown(self):
os.unlink('hostfile.temp')

90
tests/test_sftp.py
View File

@ -186,10 +186,9 @@ class SFTPTest (unittest.TestCase):
"""
verify that a file can be created and written, and the size is correct.
"""
f = sftp.open(FOLDER + '/duck.txt', 'w')
try:
with sftp.open(FOLDER + '/duck.txt', 'w') as f:
f.write(ARTICLE)
f.close()
self.assertEqual(sftp.stat(FOLDER + '/duck.txt').st_size, 1483)
finally:
sftp.remove(FOLDER + '/duck.txt')
@ -209,40 +208,36 @@ class SFTPTest (unittest.TestCase):
"""
verify that a file can be opened for append, and tell() still works.
"""
f = sftp.open(FOLDER + '/append.txt', 'w')
try:
with sftp.open(FOLDER + '/append.txt', 'w') as f:
f.write('first line\nsecond line\n')
self.assertEqual(f.tell(), 23)
f.close()
f = sftp.open(FOLDER + '/append.txt', 'a+')
with sftp.open(FOLDER + '/append.txt', 'a+') as f:
f.write('third line!!!\n')
self.assertEqual(f.tell(), 37)
self.assertEqual(f.stat().st_size, 37)
f.seek(-26, f.SEEK_CUR)
self.assertEqual(f.readline(), 'second line\n')
finally:
f.close()
sftp.remove(FOLDER + '/append.txt')
def test_5_rename(self):
"""
verify that renaming a file works.
"""
f = sftp.open(FOLDER + '/first.txt', 'w')
try:
with sftp.open(FOLDER + '/first.txt', 'w') as f:
f.write('content!\n')
f.close()
sftp.rename(FOLDER + '/first.txt', FOLDER + '/second.txt')
try:
f = sftp.open(FOLDER + '/first.txt', 'r')
self.assertTrue(False, 'no exception on reading nonexistent file')
except IOError:
pass
f = sftp.open(FOLDER + '/second.txt', 'r')
with sftp.open(FOLDER + '/second.txt', 'r') as f:
f.seek(-6, f.SEEK_END)
self.assertEqual(u(f.read(4)), 'tent')
f.close()
finally:
try:
sftp.remove(FOLDER + '/first.txt')
@ -300,10 +295,9 @@ class SFTPTest (unittest.TestCase):
"""
verify that the setstat functions (chown, chmod, utime, truncate) work.
"""
f = sftp.open(FOLDER + '/special', 'w')
try:
with sftp.open(FOLDER + '/special', 'w') as f:
f.write('x' * 1024)
f.close()
stat = sftp.stat(FOLDER + '/special')
sftp.chmod(FOLDER + '/special', (stat.st_mode & ~o777) | o600)
@ -339,12 +333,11 @@ class SFTPTest (unittest.TestCase):
verify that the fsetstat functions (chown, chmod, utime, truncate)
work on open files.
"""
f = sftp.open(FOLDER + '/special', 'w')
try:
with sftp.open(FOLDER + '/special', 'w') as f:
f.write('x' * 1024)
f.close()
f = sftp.open(FOLDER + '/special', 'r+')
with sftp.open(FOLDER + '/special', 'r+') as f:
stat = f.stat()
f.chmod((stat.st_mode & ~o777) | o600)
stat = f.stat()
@ -372,7 +365,6 @@ class SFTPTest (unittest.TestCase):
f.truncate(512)
stat = f.stat()
self.assertEqual(stat.st_size, 512)
f.close()
finally:
sftp.remove(FOLDER + '/special')
@ -384,11 +376,10 @@ class SFTPTest (unittest.TestCase):
buffering is reset on 'seek'.
"""
try:
f = sftp.open(FOLDER + '/duck.txt', 'w')
with sftp.open(FOLDER + '/duck.txt', 'w') as f:
f.write(ARTICLE)
f.close()
f = sftp.open(FOLDER + '/duck.txt', 'r+')
with sftp.open(FOLDER + '/duck.txt', 'r+') as f:
line_number = 0
loc = 0
pos_list = []
@ -402,7 +393,6 @@ class SFTPTest (unittest.TestCase):
self.assertEqual(f.readline()[:4], 'duck')
f.seek(pos_list[10], f.SEEK_SET)
self.assertEqual(f.readline(), 'duck types were equally resistant to exogenous insulin compared with chicken.\n')
f.close()
finally:
sftp.remove(FOLDER + '/duck.txt')
@ -411,17 +401,15 @@ class SFTPTest (unittest.TestCase):
create a text file, seek back and change part of it, and verify that the
changes worked.
"""
f = sftp.open(FOLDER + '/testing.txt', 'w')
try:
with sftp.open(FOLDER + '/testing.txt', 'w') as f:
f.write('hello kitty.\n')
f.seek(-5, f.SEEK_CUR)
f.write('dd')
f.close()
self.assertEqual(sftp.stat(FOLDER + '/testing.txt').st_size, 13)
f = sftp.open(FOLDER + '/testing.txt', 'r')
with sftp.open(FOLDER + '/testing.txt', 'r') as f:
data = f.read(20)
f.close()
self.assertEqual(data, 'hello kiddy.\n')
finally:
sftp.remove(FOLDER + '/testing.txt')
@ -434,16 +422,14 @@ class SFTPTest (unittest.TestCase):
# skip symlink tests on windows
return
f = sftp.open(FOLDER + '/original.txt', 'w')
try:
with sftp.open(FOLDER + '/original.txt', 'w') as f:
f.write('original\n')
f.close()
sftp.symlink('original.txt', FOLDER + '/link.txt')
self.assertEqual(sftp.readlink(FOLDER + '/link.txt'), 'original.txt')
f = sftp.open(FOLDER + '/link.txt', 'r')
with sftp.open(FOLDER + '/link.txt', 'r') as f:
self.assertEqual(f.readlines(), ['original\n'])
f.close()
cwd = sftp.normalize('.')
if cwd[-1] == '/':
@ -477,18 +463,16 @@ class SFTPTest (unittest.TestCase):
"""
verify that buffered writes are automatically flushed on seek.
"""
f = sftp.open(FOLDER + '/happy.txt', 'w', 1)
try:
with sftp.open(FOLDER + '/happy.txt', 'w', 1) as f:
f.write('full line.\n')
f.write('partial')
f.seek(9, f.SEEK_SET)
f.write('?\n')
f.close()
f = sftp.open(FOLDER + '/happy.txt', 'r')
with sftp.open(FOLDER + '/happy.txt', 'r') as f:
self.assertEqual(f.readline(), 'full line?\n')
self.assertEqual(f.read(7), 'partial')
f.close()
finally:
try:
sftp.remove(FOLDER + '/happy.txt')
@ -544,9 +528,8 @@ class SFTPTest (unittest.TestCase):
self.assertEqual(['beta'], sftp.listdir('.'))
sftp.chdir('beta')
f = sftp.open('fish', 'w')
with sftp.open('fish', 'w') as f:
f.write('hello\n')
f.close()
sftp.chdir('..')
self.assertEqual(['fish'], sftp.listdir('beta'))
sftp.chdir('..')
@ -575,17 +558,15 @@ class SFTPTest (unittest.TestCase):
fd, localname = mkstemp()
os.close(fd)
text = b('All I wanted was a plastic bunny rabbit.\n')
f = open(localname, 'wb')
with open(localname, 'wb') as f:
f.write(text)
f.close()
saved_progress = []
def progress_callback(x, y):
saved_progress.append((x, y))
sftp.put(localname, FOLDER + '/bunny.txt', progress_callback)
f = sftp.open(FOLDER + '/bunny.txt', 'rb')
with sftp.open(FOLDER + '/bunny.txt', 'rb') as f:
self.assertEqual(text, f.read(128))
f.close()
self.assertEqual((41, 41), saved_progress[-1])
os.unlink(localname)
@ -594,9 +575,8 @@ class SFTPTest (unittest.TestCase):
saved_progress = []
sftp.get(FOLDER + '/bunny.txt', localname, progress_callback)
f = open(localname, 'rb')
with open(localname, 'rb') as f:
self.assertEqual(text, f.read(128))
f.close()
self.assertEqual((41, 41), saved_progress[-1])
os.unlink(localname)
@ -608,12 +588,11 @@ class SFTPTest (unittest.TestCase):
(it's an sftp extension that we support, and may be the only ones who
support it.)
"""
f = sftp.open(FOLDER + '/kitty.txt', 'w')
with sftp.open(FOLDER + '/kitty.txt', 'w') as f:
f.write('here kitty kitty' * 64)
f.close()
try:
f = sftp.open(FOLDER + '/kitty.txt', 'r')
with sftp.open(FOLDER + '/kitty.txt', 'r') as f:
sum = f.check('sha1')
self.assertEqual('91059CFC6615941378D413CB5ADAF4C5EB293402', u(hexlify(sum)).upper())
sum = f.check('md5', 0, 512)
@ -621,7 +600,6 @@ class SFTPTest (unittest.TestCase):
sum = f.check('md5', 0, 0, 510)
self.assertEqual('EB3B45B8CD55A0707D99B177544A319F373183D241432BB2157AB9E46358C4AC90370B5CADE5D90336FC1716F90B36D6',
u(hexlify(sum)).upper())
f.close()
finally:
sftp.unlink(FOLDER + '/kitty.txt')
@ -645,9 +623,8 @@ class SFTPTest (unittest.TestCase):
"""
verify that unicode strings are encoded into utf8 correctly.
"""
f = sftp.open(FOLDER + '/something', 'w')
with sftp.open(FOLDER + '/something', 'w') as f:
f.write('okay')
f.close()
try:
sftp.rename(FOLDER + '/something', FOLDER + '/' + unicode_folder)
@ -660,9 +637,8 @@ class SFTPTest (unittest.TestCase):
sftp.mkdir(FOLDER + '/' + unicode_folder)
try:
sftp.chdir(FOLDER + '/' + unicode_folder)
f = sftp.open('something', 'w')
with sftp.open('something', 'w') as f:
f.write('okay')
f.close()
sftp.unlink('something')
finally:
sftp.chdir()
@ -675,14 +651,12 @@ class SFTPTest (unittest.TestCase):
f = sftp.open(FOLDER + '/zero', 'w')
f.close()
try:
f = sftp.open(FOLDER + '/zero', 'r')
with sftp.open(FOLDER + '/zero', 'r') as f:
f.readv([(0, 12)])
f.close()
f = sftp.open(FOLDER + '/zero', 'r')
with sftp.open(FOLDER + '/zero', 'r') as f:
f.prefetch()
f.read(100)
f.close()
finally:
sftp.unlink(FOLDER + '/zero')
@ -695,9 +669,8 @@ class SFTPTest (unittest.TestCase):
fd, localname = mkstemp()
os.close(fd)
text = 'All I wanted was a plastic bunny rabbit.\n'
f = open(localname, 'w')
with open(localname, 'w') as f:
f.write(text)
f.close()
saved_progress = []
def progress_callback(x, y):
saved_progress.append((x, y))
@ -705,9 +678,8 @@ class SFTPTest (unittest.TestCase):
self.assertEqual(SFTPAttributes().attr, res.attr)
f = sftp.open(FOLDER + '/bunny.txt', 'r')
with sftp.open(FOLDER + '/bunny.txt', 'r') as f:
self.assertEqual(text, f.read(128))
f.close()
self.assertEqual((41, 41), saved_progress[-1])
os.unlink(localname)
@ -719,19 +691,17 @@ class SFTPTest (unittest.TestCase):
does not work except through paramiko. :( openssh fails.
"""
f = sftp.open(FOLDER + '/append.txt', 'a')
try:
with sftp.open(FOLDER + '/append.txt', 'a') as f:
f.write('first line\nsecond line\n')
f.seek(11, f.SEEK_SET)
f.write('third line\n')
f.close()
f = sftp.open(FOLDER + '/append.txt', 'r')
with sftp.open(FOLDER + '/append.txt', 'r') as f:
self.assertEqual(f.stat().st_size, 34)
self.assertEqual(f.readline(), 'first line\n')
self.assertEqual(f.readline(), 'second line\n')
self.assertEqual(f.readline(), 'third line\n')
f.close()
finally:
sftp.remove(FOLDER + '/append.txt')

60
tests/test_sftp_big.py
View File

@ -66,9 +66,8 @@ class BigSFTPTest (unittest.TestCase):
numfiles = 100
try:
for i in range(numfiles):
f = sftp.open('%s/file%d.txt' % (FOLDER, i), 'w', 1)
with sftp.open('%s/file%d.txt' % (FOLDER, i), 'w', 1) as f:
f.write('this is file #%d.\n' % i)
f.close()
sftp.chmod('%s/file%d.txt' % (FOLDER, i), o660)
# now make sure every file is there, by creating a list of filenmes
@ -76,9 +75,8 @@ class BigSFTPTest (unittest.TestCase):
numlist = list(range(numfiles))
while len(numlist) > 0:
r = numlist[random.randint(0, len(numlist) - 1)]
f = sftp.open('%s/file%d.txt' % (FOLDER, r))
with sftp.open('%s/file%d.txt' % (FOLDER, r)) as f:
self.assertEqual(f.readline(), 'this is file #%d.\n' % r)
f.close()
numlist.remove(r)
finally:
for i in range(numfiles):
@ -95,12 +93,11 @@ class BigSFTPTest (unittest.TestCase):
kblob = (1024 * 'x')
start = time.time()
try:
f = sftp.open('%s/hongry.txt' % FOLDER, 'w')
with sftp.open('%s/hongry.txt' % FOLDER, 'w') as f:
for n in range(1024):
f.write(kblob)
if n % 128 == 0:
sys.stderr.write('.')
f.close()
sys.stderr.write(' ')
self.assertEqual(sftp.stat('%s/hongry.txt' % FOLDER).st_size, 1024 * 1024)
@ -108,11 +105,10 @@ class BigSFTPTest (unittest.TestCase):
sys.stderr.write('%ds ' % round(end - start))
start = time.time()
f = sftp.open('%s/hongry.txt' % FOLDER, 'r')
with sftp.open('%s/hongry.txt' % FOLDER, 'r') as f:
for n in range(1024):
data = f.read(1024)
self.assertEqual(data, kblob)
f.close()
end = time.time()
sys.stderr.write('%ds ' % round(end - start))
@ -127,13 +123,12 @@ class BigSFTPTest (unittest.TestCase):
kblob = bytes().join([struct.pack('>H', n) for n in range(512)])
start = time.time()
try:
f = sftp.open('%s/hongry.txt' % FOLDER, 'wb')
with sftp.open('%s/hongry.txt' % FOLDER, 'wb') as f:
f.set_pipelined(True)
for n in range(1024):
f.write(kblob)
if n % 128 == 0:
sys.stderr.write('.')
f.close()
sys.stderr.write(' ')
self.assertEqual(sftp.stat('%s/hongry.txt' % FOLDER).st_size, 1024 * 1024)
@ -141,7 +136,7 @@ class BigSFTPTest (unittest.TestCase):
sys.stderr.write('%ds ' % round(end - start))
start = time.time()
f = sftp.open('%s/hongry.txt' % FOLDER, 'rb')
with sftp.open('%s/hongry.txt' % FOLDER, 'rb') as f:
f.prefetch()
# read on odd boundaries to make sure the bytes aren't getting scrambled
@ -156,7 +151,6 @@ class BigSFTPTest (unittest.TestCase):
offset = n % 1024
self.assertEqual(data, k2blob[offset:offset + chunk])
n += chunk
f.close()
end = time.time()
sys.stderr.write('%ds ' % round(end - start))
@ -167,13 +161,12 @@ class BigSFTPTest (unittest.TestCase):
sftp = get_sftp()
kblob = bytes().join([struct.pack('>H', n) for n in range(512)])
try:
f = sftp.open('%s/hongry.txt' % FOLDER, 'wb')
with sftp.open('%s/hongry.txt' % FOLDER, 'wb') as f:
f.set_pipelined(True)
for n in range(1024):
f.write(kblob)
if n % 128 == 0:
sys.stderr.write('.')
f.close()
sys.stderr.write(' ')
self.assertEqual(sftp.stat('%s/hongry.txt' % FOLDER).st_size, 1024 * 1024)
@ -182,7 +175,7 @@ class BigSFTPTest (unittest.TestCase):
k2blob = kblob + kblob
chunk = 793
for i in range(10):
f = sftp.open('%s/hongry.txt' % FOLDER, 'rb')
with sftp.open('%s/hongry.txt' % FOLDER, 'rb') as f:
f.prefetch()
base_offset = (512 * 1024) + 17 * random.randint(1000, 2000)
offsets = [base_offset + j * chunk for j in range(100)]
@ -195,7 +188,6 @@ class BigSFTPTest (unittest.TestCase):
n_offset = offset % 1024
self.assertEqual(data, k2blob[n_offset:n_offset + chunk])
offset += chunk
f.close()
end = time.time()
sys.stderr.write('%ds ' % round(end - start))
finally:
@ -205,13 +197,12 @@ class BigSFTPTest (unittest.TestCase):
sftp = get_sftp()
kblob = bytes().join([struct.pack('>H', n) for n in range(512)])
try:
f = sftp.open('%s/hongry.txt' % FOLDER, 'wb')
with sftp.open('%s/hongry.txt' % FOLDER, 'wb') as f:
f.set_pipelined(True)
for n in range(1024):
f.write(kblob)
if n % 128 == 0:
sys.stderr.write('.')
f.close()
sys.stderr.write(' ')
self.assertEqual(sftp.stat('%s/hongry.txt' % FOLDER).st_size, 1024 * 1024)
@ -220,7 +211,7 @@ class BigSFTPTest (unittest.TestCase):
k2blob = kblob + kblob
chunk = 793
for i in range(10):
f = sftp.open('%s/hongry.txt' % FOLDER, 'rb')
with sftp.open('%s/hongry.txt' % FOLDER, 'rb') as f:
base_offset = (512 * 1024) + 17 * random.randint(1000, 2000)
# make a bunch of offsets and put them in random order
offsets = [base_offset + j * chunk for j in range(100)]
@ -234,7 +225,6 @@ class BigSFTPTest (unittest.TestCase):
offset = readv_list[i][0]
n_offset = offset % 1024
self.assertEqual(next(ret), k2blob[n_offset:n_offset + chunk])
f.close()
end = time.time()
sys.stderr.write('%ds ' % round(end - start))
finally:
@ -248,29 +238,26 @@ class BigSFTPTest (unittest.TestCase):
sftp = get_sftp()
kblob = (1024 * 'x')
try:
f = sftp.open('%s/hongry.txt' % FOLDER, 'w')
with sftp.open('%s/hongry.txt' % FOLDER, 'w') as f:
f.set_pipelined(True)
for n in range(1024):
f.write(kblob)
if n % 128 == 0:
sys.stderr.write('.')
f.close()
sys.stderr.write(' ')
self.assertEqual(sftp.stat('%s/hongry.txt' % FOLDER).st_size, 1024 * 1024)
for i in range(10):
f = sftp.open('%s/hongry.txt' % FOLDER, 'r')
with sftp.open('%s/hongry.txt' % FOLDER, 'r') as f:
f.prefetch()
f.close()
f = sftp.open('%s/hongry.txt' % FOLDER, 'r')
with sftp.open('%s/hongry.txt' % FOLDER, 'r') as f:
f.prefetch()
for n in range(1024):
data = f.read(1024)
self.assertEqual(data, kblob)
if n % 128 == 0:
sys.stderr.write('.')
f.close()
sys.stderr.write(' ')
finally:
sftp.remove('%s/hongry.txt' % FOLDER)
@ -282,18 +269,17 @@ class BigSFTPTest (unittest.TestCase):
sftp = get_sftp()
kblob = bytes().join([struct.pack('>H', n) for n in range(512)])
try:
f = sftp.open('%s/hongry.txt' % FOLDER, 'wb')
with sftp.open('%s/hongry.txt' % FOLDER, 'wb') as f:
f.set_pipelined(True)
for n in range(1024):
f.write(kblob)
if n % 128 == 0:
sys.stderr.write('.')
f.close()
sys.stderr.write(' ')
self.assertEqual(sftp.stat('%s/hongry.txt' % FOLDER).st_size, 1024 * 1024)
f = sftp.open('%s/hongry.txt' % FOLDER, 'rb')
with sftp.open('%s/hongry.txt' % FOLDER, 'rb') as f:
f.prefetch()
data = f.read(1024)
self.assertEqual(data, kblob)
@ -308,7 +294,6 @@ class BigSFTPTest (unittest.TestCase):
self.assertEqual(k2blob[offset:offset + chunk_size], data)
base_offset += chunk_size
f.close()
sys.stderr.write(' ')
finally:
sftp.remove('%s/hongry.txt' % FOLDER)
@ -321,24 +306,22 @@ class BigSFTPTest (unittest.TestCase):
sftp = get_sftp()
kblob = bytes().join([struct.pack('>H', n) for n in range(512)])
try:
f = sftp.open('%s/hongry.txt' % FOLDER, 'wb')
with sftp.open('%s/hongry.txt' % FOLDER, 'wb') as f:
f.set_pipelined(True)
for n in range(1024):
f.write(kblob)
if n % 128 == 0:
sys.stderr.write('.')
f.close()
sys.stderr.write(' ')
self.assertEqual(sftp.stat('%s/hongry.txt' % FOLDER).st_size, 1024 * 1024)
f = sftp.open('%s/hongry.txt' % FOLDER, 'rb')
with sftp.open('%s/hongry.txt' % FOLDER, 'rb') as f:
data = list(f.readv([(23 * 1024, 128 * 1024)]))
self.assertEqual(1, len(data))
data = data[0]
self.assertEqual(128 * 1024, len(data))
f.close()
sys.stderr.write(' ')
finally:
sftp.remove('%s/hongry.txt' % FOLDER)
@ -350,9 +333,8 @@ class BigSFTPTest (unittest.TestCase):
sftp = get_sftp()
mblob = (1024 * 1024 * 'x')
try:
f = sftp.open('%s/hongry.txt' % FOLDER, 'w', 128 * 1024)
with sftp.open('%s/hongry.txt' % FOLDER, 'w', 128 * 1024) as f:
f.write(mblob)
f.close()
self.assertEqual(sftp.stat('%s/hongry.txt' % FOLDER).st_size, 1024 * 1024)
finally:
@ -367,21 +349,19 @@ class BigSFTPTest (unittest.TestCase):
t.packetizer.REKEY_BYTES = 512 * 1024
k32blob = (32 * 1024 * 'x')
try:
f = sftp.open('%s/hongry.txt' % FOLDER, 'w', 128 * 1024)
with sftp.open('%s/hongry.txt' % FOLDER, 'w', 128 * 1024) as f:
for i in range(32):
f.write(k32blob)
f.close()
self.assertEqual(sftp.stat('%s/hongry.txt' % FOLDER).st_size, 1024 * 1024)
self.assertNotEqual(t.H, t.session_id)
# try to read it too.
f = sftp.open('%s/hongry.txt' % FOLDER, 'r', 128 * 1024)
with sftp.open('%s/hongry.txt' % FOLDER, 'r', 128 * 1024) as f:
f.prefetch()
total = 0
while total < 1024 * 1024:
total += len(f.read(32 * 1024))
f.close()
finally:
sftp.remove('%s/hongry.txt' % FOLDER)
t.packetizer.REKEY_BYTES = pow(2, 30)

3
tests/test_util.py
View File

@ -142,9 +142,8 @@ class UtilTest(ParamikoTest):
self.assertEqual(hex, '9110e2f6793b69363e58173e9436b13a5a4b339005741d5c680e505f57d871347b4239f14fb5c46e857d5e100424873ba849ac699cea98d729e57b3e84378e8b')
def test_5_host_keys(self):
f = open('hostfile.temp', 'w')
with open('hostfile.temp', 'w') as f:
f.write(test_hosts_file)
f.close()
try:
hostdict = paramiko.util.load_host_keys('hostfile.temp')
self.assertEqual(2, len(hostdict))