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Merge remote-tracking branch 'origin/master' into 3468.offloaded-test-coverage

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This commit is contained in:
Jean-Paul Calderone 2020-10-16 14:34:35 -04:00
commit a403d25146
29 changed files with 406 additions and 139 deletions
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10
.circleci/config.yml
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@ -154,6 +154,8 @@ jobs:
# we maintain.
WHEELHOUSE_PATH: &WHEELHOUSE_PATH "/tmp/wheelhouse"
PIP_FIND_LINKS: "file:///tmp/wheelhouse"
# Upload the coverage report.
UPLOAD_COVERAGE: "yes"
# pip cannot install packages if the working directory is not readable.
# We want to run a lot of steps as nobody instead of as root.
@ -202,7 +204,9 @@ jobs:
- run: &SUBMIT_COVERAGE
name: "Submit coverage results"
command: |
/tmp/venv/bin/codecov
if [ -n "${UPLOAD_COVERAGE}" ]; then
/tmp/venv/bin/codecov
fi
debian-8:
@ -222,6 +226,8 @@ jobs:
<<: *UTF_8_ENVIRONMENT
# We don't do coverage since it makes PyPy far too slow:
TAHOE_LAFS_TOX_ENVIRONMENT: "pypy27"
# Since we didn't collect it, don't upload it.
UPLOAD_COVERAGE: ""
c-locale:
@ -250,6 +256,8 @@ jobs:
TAHOE_LAFS_TOX_ENVIRONMENT: "deprecations,upcoming-deprecations"
# Put the logs somewhere we can report them.
TAHOE_LAFS_WARNINGS_LOG: "/tmp/artifacts/deprecation-warnings.log"
# The deprecations tox environments don't do coverage measurement.
UPLOAD_COVERAGE: ""
integration:

11
.coveragerc
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@ -14,3 +14,14 @@ branch = True
[report]
show_missing = True
skip_covered = True
[paths]
source =
# It looks like this in the checkout
src/
# It looks like this in the Windows build environment
D:/a/tahoe-lafs/tahoe-lafs/.tox/py*-coverage/Lib/site-packages/
# Although sometimes it looks like this instead. Also it looks like this on macOS.
.tox/py*-coverage/lib/python*/site-packages/
# On some Linux CI jobs it looks like this
/tmp/tahoe-lafs.tox/py*-coverage/lib/python*/site-packages/

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7
src/allmydata/check_results.py
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@ -1,3 +1,4 @@
from past.builtins import unicode
from zope.interface import implementer
from allmydata.interfaces import ICheckResults, ICheckAndRepairResults, \
@ -56,7 +57,11 @@ class CheckResults(object):
self._list_incompatible_shares = list_incompatible_shares
self._count_incompatible_shares = count_incompatible_shares
assert isinstance(summary, str) # should be a single string
# On Python 2, we can mix bytes and Unicode. On Python 3, we want
# unicode.
if isinstance(summary, bytes):
summary = unicode(summary, "utf-8")
assert isinstance(summary, unicode) # should be a single string
self._summary = summary
assert not isinstance(report, str) # should be list of strings
self._report = report

2
src/allmydata/immutable/checker.py
View File

@ -616,7 +616,7 @@ class Checker(log.PrefixingLogMixin):
d.addCallback(_got_ueb)
def _discard_result(r):
assert isinstance(r, str), r
assert isinstance(r, bytes), r
# to free up the RAM
return None

1
src/allmydata/immutable/filenode.py
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@ -152,7 +152,6 @@ class CiphertextFileNode(object):
for server in servers:
sm.add(shnum, server)
servers_responding.add(server)
servers_responding = sorted(servers_responding)
good_hosts = len(reduce(set.union, sm.values(), set()))
is_healthy = bool(len(sm) >= verifycap.total_shares)

12
src/allmydata/mutable/filenode.py
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@ -147,9 +147,9 @@ class MutableFileNode(object):
def _get_initial_contents(self, contents):
if contents is None:
return MutableData("")
return MutableData(b"")
if isinstance(contents, str):
if isinstance(contents, bytes):
return MutableData(contents)
if IMutableUploadable.providedBy(contents):
@ -884,9 +884,9 @@ class MutableFileVersion(object):
d = self._try_to_download_data()
def _apply(old_contents):
new_contents = modifier(old_contents, self._servermap, first_time)
precondition((isinstance(new_contents, str) or
precondition((isinstance(new_contents, bytes) or
new_contents is None),
"Modifier function must return a string "
"Modifier function must return bytes "
"or None")
if new_contents is None or new_contents == old_contents:
@ -960,7 +960,7 @@ class MutableFileVersion(object):
c = consumer.MemoryConsumer()
# modify will almost certainly write, so we need the privkey.
d = self._read(c, fetch_privkey=True)
d.addCallback(lambda mc: "".join(mc.chunks))
d.addCallback(lambda mc: b"".join(mc.chunks))
return d
@ -1076,7 +1076,7 @@ class MutableFileVersion(object):
start = offset
rest = offset + data.get_size()
new = old[:start]
new += "".join(data.read(data.get_size()))
new += b"".join(data.read(data.get_size()))
new += old[rest:]
return new
return self._modify(m, None)

50
src/allmydata/mutable/publish.py
View File

@ -1,5 +1,5 @@
import os, time
from six.moves import cStringIO as StringIO
from io import BytesIO
from itertools import count
from zope.interface import implementer
from twisted.internet import defer
@ -46,7 +46,7 @@ class PublishStatus(object):
self.size = None
self.status = "Not started"
self.progress = 0.0
self.counter = self.statusid_counter.next()
self.counter = next(self.statusid_counter)
self.started = time.time()
def add_per_server_time(self, server, elapsed):
@ -305,7 +305,7 @@ class Publish(object):
# Our update process fetched these for us. We need to update
# them in place as publishing happens.
self.blockhashes = {} # (shnum, [blochashes])
for (i, bht) in blockhashes.iteritems():
for (i, bht) in list(blockhashes.items()):
# We need to extract the leaves from our old hash tree.
old_segcount = mathutil.div_ceil(version[4],
version[3])
@ -313,7 +313,7 @@ class Publish(object):
bht = dict(enumerate(bht))
h.set_hashes(bht)
leaves = h[h.get_leaf_index(0):]
for j in xrange(self.num_segments - len(leaves)):
for j in range(self.num_segments - len(leaves)):
leaves.append(None)
assert len(leaves) >= self.num_segments
@ -509,10 +509,10 @@ class Publish(object):
# This will eventually hold the block hash chain for each share
# that we publish. We define it this way so that empty publishes
# will still have something to write to the remote slot.
self.blockhashes = dict([(i, []) for i in xrange(self.total_shares)])
for i in xrange(self.total_shares):
self.blockhashes = dict([(i, []) for i in range(self.total_shares)])
for i in range(self.total_shares):
blocks = self.blockhashes[i]
for j in xrange(self.num_segments):
for j in range(self.num_segments):
blocks.append(None)
self.sharehash_leaves = None # eventually [sharehashes]
self.sharehashes = {} # shnum -> [sharehash leaves necessary to
@ -526,7 +526,7 @@ class Publish(object):
return self.done_deferred
def _get_some_writer(self):
return list(self.writers.values()[0])[0]
return list(list(self.writers.values())[0])[0]
def _update_status(self):
self._status.set_status("Sending Shares: %d placed out of %d, "
@ -684,7 +684,7 @@ class Publish(object):
salt = os.urandom(16)
assert self._version == SDMF_VERSION
for shnum, writers in self.writers.iteritems():
for shnum, writers in self.writers.items():
for writer in writers:
writer.put_salt(salt)
@ -702,9 +702,9 @@ class Publish(object):
self.log("Pushing segment %d of %d" % (segnum + 1, self.num_segments))
# XXX: Why does this return a list?
data = self.data.read(segsize)
# XXX: This is dumb. Why return a list?
data = "".join(data)
data = b"".join(data)
assert len(data) == segsize, len(data)
@ -732,7 +732,7 @@ class Publish(object):
for i in range(len(crypttext_pieces)):
offset = i * piece_size
piece = crypttext[offset:offset+piece_size]
piece = piece + "\x00"*(piece_size - len(piece)) # padding
piece = piece + b"\x00"*(piece_size - len(piece)) # padding
crypttext_pieces[i] = piece
assert len(piece) == piece_size
d = fec.encode(crypttext_pieces)
@ -751,7 +751,7 @@ class Publish(object):
results, salt = encoded_and_salt
shares, shareids = results
self._status.set_status("Pushing segment")
for i in xrange(len(shares)):
for i in range(len(shares)):
sharedata = shares[i]
shareid = shareids[i]
if self._version == MDMF_VERSION:
@ -786,7 +786,7 @@ class Publish(object):
def push_encprivkey(self):
encprivkey = self._encprivkey
self._status.set_status("Pushing encrypted private key")
for shnum, writers in self.writers.iteritems():
for shnum, writers in self.writers.items():
for writer in writers:
writer.put_encprivkey(encprivkey)
@ -794,7 +794,7 @@ class Publish(object):
def push_blockhashes(self):
self.sharehash_leaves = [None] * len(self.blockhashes)
self._status.set_status("Building and pushing block hash tree")
for shnum, blockhashes in self.blockhashes.iteritems():
for shnum, blockhashes in list(self.blockhashes.items()):
t = hashtree.HashTree(blockhashes)
self.blockhashes[shnum] = list(t)
# set the leaf for future use.
@ -808,7 +808,7 @@ class Publish(object):
def push_sharehashes(self):
self._status.set_status("Building and pushing share hash chain")
share_hash_tree = hashtree.HashTree(self.sharehash_leaves)
for shnum in xrange(len(self.sharehash_leaves)):
for shnum in range(len(self.sharehash_leaves)):
needed_indices = share_hash_tree.needed_hashes(shnum)
self.sharehashes[shnum] = dict( [ (i, share_hash_tree[i])
for i in needed_indices] )
@ -824,7 +824,7 @@ class Publish(object):
# - Get the checkstring of the resulting layout; sign that.
# - Push the signature
self._status.set_status("Pushing root hashes and signature")
for shnum in xrange(self.total_shares):
for shnum in range(self.total_shares):
writers = self.writers[shnum]
for writer in writers:
writer.put_root_hash(self.root_hash)
@ -852,7 +852,7 @@ class Publish(object):
signable = self._get_some_writer().get_signable()
self.signature = rsa.sign_data(self._privkey, signable)
for (shnum, writers) in self.writers.iteritems():
for (shnum, writers) in self.writers.items():
for writer in writers:
writer.put_signature(self.signature)
self._status.timings['sign'] = time.time() - started
@ -867,7 +867,7 @@ class Publish(object):
ds = []
verification_key = rsa.der_string_from_verifying_key(self._pubkey)
for (shnum, writers) in self.writers.copy().iteritems():
for (shnum, writers) in list(self.writers.copy().items()):
for writer in writers:
writer.put_verification_key(verification_key)
self.num_outstanding += 1
@ -1003,7 +1003,7 @@ class Publish(object):
# TODO: Precompute this.
shares = []
for shnum, writers in self.writers.iteritems():
for shnum, writers in self.writers.items():
shares.extend([x.shnum for x in writers if x.server == server])
known_shnums = set(shares)
surprise_shares -= known_shnums
@ -1198,7 +1198,7 @@ class Publish(object):
class MutableFileHandle(object):
"""
I am a mutable uploadable built around a filehandle-like object,
usually either a StringIO instance or a handle to an actual file.
usually either a BytesIO instance or a handle to an actual file.
"""
def __init__(self, filehandle):
@ -1268,14 +1268,14 @@ class MutableFileHandle(object):
class MutableData(MutableFileHandle):
"""
I am a mutable uploadable built around a string, which I then cast
into a StringIO and treat as a filehandle.
into a BytesIO and treat as a filehandle.
"""
def __init__(self, s):
# Take a string and return a file-like uploadable.
assert isinstance(s, str)
assert isinstance(s, bytes)
MutableFileHandle.__init__(self, StringIO(s))
MutableFileHandle.__init__(self, BytesIO(s))
@implementer(IMutableUploadable)
@ -1361,7 +1361,7 @@ class TransformingUploadable(object):
self.log("reading %d bytes of new data" % length)
new_data = self._newdata.read(length)
new_data = "".join(new_data)
new_data = b"".join(new_data)
self._read_marker += len(old_start_data + new_data + old_end_data)

92
src/allmydata/storage_client.py
View File

@ -189,7 +189,10 @@ class StorageFarmBroker(service.MultiService):
# this sorted order).
for (server_id, server) in sorted(servers.items()):
try:
storage_server = self._make_storage_server(server_id, server)
storage_server = self._make_storage_server(
server_id.encode("utf-8"),
server,
)
except Exception:
# TODO: The _make_storage_server failure is logged but maybe
# we should write a traceback here. Notably, tests don't
@ -232,8 +235,19 @@ class StorageFarmBroker(service.MultiService):
include_result=False,
)
def _make_storage_server(self, server_id, server):
assert isinstance(server_id, unicode) # from YAML
server_id = server_id.encode("ascii")
"""
Create a new ``IServer`` for the given storage server announcement.
:param bytes server_id: The unique identifier for the server.
:param dict server: The server announcement. See ``Static Server
Definitions`` in the configuration documentation for details about
the structure and contents.
:return IServer: The object-y representation of the server described
by the given announcement.
"""
assert isinstance(server_id, bytes)
handler_overrides = server.get("connections", {})
s = NativeStorageServer(
server_id,
@ -260,7 +274,7 @@ class StorageFarmBroker(service.MultiService):
# these two are used in unit tests
def test_add_rref(self, serverid, rref, ann):
s = self._make_storage_server(
serverid.decode("ascii"),
serverid,
{"ann": ann.copy()},
)
s._rref = rref
@ -292,28 +306,71 @@ class StorageFarmBroker(service.MultiService):
remaining.append( (threshold, d) )
self._threshold_listeners = remaining
def _got_announcement(self, key_s, ann):
precondition(isinstance(key_s, str), key_s)
precondition(key_s.startswith("v0-"), key_s)
precondition(ann["service-name"] == "storage", ann["service-name"])
server_id = key_s
def _should_ignore_announcement(self, server_id, ann):
"""
Determine whether a new storage announcement should be discarded or used
to update our collection of storage servers.
:param bytes server_id: The unique identifier for the storage server
which made the announcement.
:param dict ann: The announcement.
:return bool: ``True`` if the announcement should be ignored,
``False`` if it should be used to update our local storage server
state.
"""
# Let local static configuration always override any announcement for
# a particular server.
if server_id in self._static_server_ids:
log.msg(format="ignoring announcement for static server '%(id)s'",
id=server_id,
facility="tahoe.storage_broker", umid="AlxzqA",
level=log.UNUSUAL)
return True
try:
old = self.servers[server_id]
except KeyError:
# We don't know anything about this server. Let's use the
# announcement to change that.
return False
else:
# Determine if this announcement is at all difference from the
# announcement we already have for the server. If it is the same,
# we don't need to change anything.
return old.get_announcement() == ann
def _got_announcement(self, key_s, ann):
"""
This callback is given to the introducer and called any time an
announcement is received which has a valid signature and does not have
a sequence number less than or equal to a previous sequence number
seen for that server by that introducer.
Note sequence numbers are not considered between different introducers
so if we use more than one introducer it is possible for them to
deliver us stale announcements in some cases.
"""
precondition(isinstance(key_s, str), key_s)
precondition(key_s.startswith("v0-"), key_s)
precondition(ann["service-name"] == "storage", ann["service-name"])
server_id = key_s
if self._should_ignore_announcement(server_id, ann):
return
s = self._make_storage_server(
server_id.decode("utf-8"),
server_id,
{u"ann": ann},
)
server_id = s.get_serverid()
old = self.servers.get(server_id)
if old:
if old.get_announcement() == ann:
return # duplicate
# replacement
del self.servers[server_id]
try:
old = self.servers.pop(server_id)
except KeyError:
pass
else:
# It's a replacement, get rid of the old one.
old.stop_connecting()
old.disownServiceParent()
# NOTE: this disownServiceParent() returns a Deferred that
@ -328,6 +385,7 @@ class StorageFarmBroker(service.MultiService):
# until they have fired (but hopefully don't keep reference
# cycles around when they fire earlier than that, which will
# almost always be the case for normal runtime).
# now we forget about them and start using the new one
s.setServiceParent(self)
self.servers[server_id] = s

22
src/allmydata/test/mutable/test_datahandle.py
View File

@ -1,17 +1,29 @@
"""
Ported to Python 3.
"""
from __future__ import absolute_import
from __future__ import division
from __future__ import print_function
from __future__ import unicode_literals
from future.utils import PY2
if PY2:
from future.builtins import filter, map, zip, ascii, chr, hex, input, next, oct, open, pow, round, super, bytes, dict, list, object, range, str, max, min # noqa: F401
from twisted.trial import unittest
from allmydata.mutable.publish import MutableData
class DataHandle(unittest.TestCase):
def setUp(self):
self.test_data = "Test Data" * 50000
self.test_data = b"Test Data" * 50000
self.uploadable = MutableData(self.test_data)
def test_datahandle_read(self):
chunk_size = 10
for i in xrange(0, len(self.test_data), chunk_size):
for i in range(0, len(self.test_data), chunk_size):
data = self.uploadable.read(chunk_size)
data = "".join(data)
data = b"".join(data)
start = i
end = i + chunk_size
self.failUnlessEqual(data, self.test_data[start:end])
@ -28,7 +40,7 @@ class DataHandle(unittest.TestCase):
# disturbing the location of the seek pointer.
chunk_size = 100
data = self.uploadable.read(chunk_size)
self.failUnlessEqual("".join(data), self.test_data[:chunk_size])
self.failUnlessEqual(b"".join(data), self.test_data[:chunk_size])
# Now get the size.
size = self.uploadable.get_size()
@ -38,4 +50,4 @@ class DataHandle(unittest.TestCase):
more_data = self.uploadable.read(chunk_size)
start = chunk_size
end = chunk_size * 2
self.failUnlessEqual("".join(more_data), self.test_data[start:end])
self.failUnlessEqual(b"".join(more_data), self.test_data[start:end])

16
src/allmydata/test/mutable/test_different_encoding.py
View File

@ -1,3 +1,15 @@
"""
Ported to Python 3.
"""
from __future__ import absolute_import
from __future__ import division
from __future__ import print_function
from __future__ import unicode_literals
from future.utils import PY2
if PY2:
from future.builtins import filter, map, zip, ascii, chr, hex, input, next, oct, open, pow, round, super, bytes, dict, list, object, range, str, max, min # noqa: F401
from twisted.trial import unittest
from .util import FakeStorage, make_nodemaker
@ -10,7 +22,7 @@ class DifferentEncoding(unittest.TestCase):
# create a file with 3-of-20, then modify it with a client configured
# to do 3-of-10. #1510 tracks a failure here
self.nodemaker.default_encoding_parameters["n"] = 20
d = self.nodemaker.create_mutable_file("old contents")
d = self.nodemaker.create_mutable_file(b"old contents")
def _created(n):
filecap = n.get_cap().to_string()
del n # we want a new object, not the cached one
@ -19,6 +31,6 @@ class DifferentEncoding(unittest.TestCase):
return n2
d.addCallback(_created)
def modifier(old_contents, servermap, first_time):
return "new contents"
return b"new contents"
d.addCallback(lambda n: n.modify(modifier))
return d

34
src/allmydata/test/mutable/test_filehandle.py
View File

@ -1,21 +1,33 @@
"""
Ported to Python 3.
"""
from __future__ import absolute_import
from __future__ import division
from __future__ import print_function
from __future__ import unicode_literals
from future.utils import PY2
if PY2:
from future.builtins import filter, map, zip, ascii, chr, hex, input, next, oct, open, pow, round, super, bytes, dict, list, object, range, str, max, min # noqa: F401
import os
from six.moves import cStringIO as StringIO
from io import BytesIO
from twisted.trial import unittest
from allmydata.mutable.publish import MutableFileHandle
class FileHandle(unittest.TestCase):
def setUp(self):
self.test_data = "Test Data" * 50000
self.sio = StringIO(self.test_data)
self.test_data = b"Test Data" * 50000
self.sio = BytesIO(self.test_data)
self.uploadable = MutableFileHandle(self.sio)
def test_filehandle_read(self):
self.basedir = "mutable/FileHandle/test_filehandle_read"
chunk_size = 10
for i in xrange(0, len(self.test_data), chunk_size):
for i in range(0, len(self.test_data), chunk_size):
data = self.uploadable.read(chunk_size)
data = "".join(data)
data = b"".join(data)
start = i
end = i + chunk_size
self.failUnlessEqual(data, self.test_data[start:end])
@ -33,7 +45,7 @@ class FileHandle(unittest.TestCase):
# disturbing the location of the seek pointer.
chunk_size = 100
data = self.uploadable.read(chunk_size)
self.failUnlessEqual("".join(data), self.test_data[:chunk_size])
self.failUnlessEqual(b"".join(data), self.test_data[:chunk_size])
# Now get the size.
size = self.uploadable.get_size()
@ -43,26 +55,26 @@ class FileHandle(unittest.TestCase):
more_data = self.uploadable.read(chunk_size)
start = chunk_size
end = chunk_size * 2
self.failUnlessEqual("".join(more_data), self.test_data[start:end])
self.failUnlessEqual(b"".join(more_data), self.test_data[start:end])
def test_filehandle_file(self):
# Make sure that the MutableFileHandle works on a file as well
# as a StringIO object, since in some cases it will be asked to
# as a BytesIO object, since in some cases it will be asked to
# deal with files.
self.basedir = self.mktemp()
# necessary? What am I doing wrong here?
os.mkdir(self.basedir)
f_path = os.path.join(self.basedir, "test_file")
f = open(f_path, "w")
f = open(f_path, "wb")
f.write(self.test_data)
f.close()
f = open(f_path, "r")
f = open(f_path, "rb")
uploadable = MutableFileHandle(f)
data = uploadable.read(len(self.test_data))
self.failUnlessEqual("".join(data), self.test_data)
self.failUnlessEqual(b"".join(data), self.test_data)
size = uploadable.get_size()
self.failUnlessEqual(size, len(self.test_data))

16
src/allmydata/test/mutable/util.py
View File

@ -1,4 +1,6 @@
from six.moves import cStringIO as StringIO
from past.builtins import long
from io import BytesIO
import attr
from twisted.internet import defer, reactor
from foolscap.api import eventually, fireEventually
@ -75,8 +77,8 @@ class FakeStorage(object):
if peerid not in self._peers:
self._peers[peerid] = {}
shares = self._peers[peerid]
f = StringIO()
f.write(shares.get(shnum, ""))
f = BytesIO()
f.write(shares.get(shnum, b""))
f.seek(offset)
f.write(data)
shares[shnum] = f.getvalue()
@ -129,7 +131,7 @@ class FakeStorageServer(object):
readv = {}
for shnum, (testv, writev, new_length) in tw_vectors.items():
for (offset, length, op, specimen) in testv:
assert op in ("le", "eq", "ge")
assert op in (b"le", b"eq", b"ge")
# TODO: this isn't right, the read is controlled by read_vector,
# not by testv
readv[shnum] = [ specimen
@ -222,10 +224,10 @@ def make_peer(s, i):
:rtype: ``Peer``
"""
peerid = base32.b2a(tagged_hash("peerid", "%d" % i)[:20])
peerid = base32.b2a(tagged_hash(b"peerid", b"%d" % i)[:20])
fss = FakeStorageServer(peerid, s)
ann = {
"anonymous-storage-FURL": "pb://%s@nowhere/fake" % (peerid,),
"anonymous-storage-FURL": b"pb://%s@nowhere/fake" % (peerid,),
"permutation-seed-base32": peerid,
}
return Peer(peerid=peerid, storage_server=fss, announcement=ann)
@ -297,7 +299,7 @@ def make_nodemaker_with_storage_broker(storage_broker, keysize):
:param StorageFarmBroker peers: The storage broker to use.
"""
sh = client.SecretHolder("lease secret", "convergence secret")
sh = client.SecretHolder(b"lease secret", b"convergence secret")
keygen = client.KeyGenerator()
if keysize:
keygen.set_default_keysize(keysize)

37
src/allmydata/test/no_network.py
View File

@ -26,13 +26,19 @@ if PY2:
from past.builtins import unicode
import os
from base64 import b32encode
from functools import (
partial,
)
from zope.interface import implementer
from twisted.application import service
from twisted.internet import defer
from twisted.python.failure import Failure
from twisted.web.error import Error
from foolscap.api import Referenceable, fireEventually, RemoteException
from base64 import b32encode
from foolscap.ipb import (
IRemoteReference,
)
import treq
from allmydata.util.assertutil import _assert
@ -59,14 +65,29 @@ class IntentionalError(Exception):
class Marker(object):
pass
fireNow = partial(defer.succeed, None)
@implementer(IRemoteReference)
class LocalWrapper(object):
def __init__(self, original):
"""
A ``LocalWrapper`` presents the remote reference interface to a local
object which implements a ``RemoteInterface``.
"""
def __init__(self, original, fireEventually=fireEventually):
"""
:param Callable[[], Deferred[None]] fireEventually: Get a Deferred
that will fire at some point. This is used to control when
``callRemote`` calls the remote method. The default value allows
the reactor to iterate before the call happens. Use ``fireNow``
to call the remote method synchronously.
"""
self.original = original
self.broken = False
self.hung_until = None
self.post_call_notifier = None
self.disconnectors = {}
self.counter_by_methname = {}
self._fireEventually = fireEventually
def _clear_counters(self):
self.counter_by_methname = {}
@ -82,7 +103,7 @@ class LocalWrapper(object):
# selected return values.
def wrap(a):
if isinstance(a, Referenceable):
return LocalWrapper(a)
return self._wrap(a)
else:
return a
args = tuple([wrap(a) for a in args])
@ -110,7 +131,7 @@ class LocalWrapper(object):
return d2
return _really_call()
d = fireEventually()
d = self._fireEventually()
d.addCallback(lambda res: _call())
def _wrap_exception(f):
return Failure(RemoteException(f))
@ -124,10 +145,10 @@ class LocalWrapper(object):
if methname == "allocate_buckets":
(alreadygot, allocated) = res
for shnum in allocated:
allocated[shnum] = LocalWrapper(allocated[shnum])
allocated[shnum] = self._wrap(allocated[shnum])
if methname == "get_buckets":
for shnum in res:
res[shnum] = LocalWrapper(res[shnum])
res[shnum] = self._wrap(res[shnum])
return res
d.addCallback(_return_membrane)
if self.post_call_notifier:
@ -141,6 +162,10 @@ class LocalWrapper(object):
def dontNotifyOnDisconnect(self, marker):
del self.disconnectors[marker]
def _wrap(self, value):
return LocalWrapper(value, self._fireEventually)
def wrap_storage_server(original):
# Much of the upload/download code uses rref.version (which normally
# comes from rrefutil.add_version_to_remote_reference). To avoid using a

88
src/allmydata/test/test_checker.py
View File

@ -1,3 +1,16 @@
"""
Ported to Python 3.
"""
from __future__ import absolute_import
from __future__ import division
from __future__ import print_function
from __future__ import unicode_literals
from future.utils import PY2
if PY2:
from future.builtins import filter, map, zip, ascii, chr, hex, input, next, oct, open, pow, round, super, bytes, dict, list, object, range, str, max, min # noqa: F401
import json
import os.path, shutil
@ -7,7 +20,14 @@ from bs4 import BeautifulSoup
from twisted.trial import unittest
from twisted.internet import defer
from nevow.inevow import IRequest
# We need to use `nevow.inevow.IRequest` for now for compatibility
# with the code in web/common.py. Once nevow bits are gone from
# web/common.py, we can use `twisted.web.iweb.IRequest` here.
if PY2:
from nevow.inevow import IRequest
else:
from twisted.web.iweb import IRequest
from zope.interface import implementer
from twisted.web.server import Request
from twisted.web.test.requesthelper import DummyChannel
@ -102,7 +122,7 @@ class FakeCheckResults(object):
def get_corrupt_shares(self):
# returns a list of (IServer, storage_index, sharenum)
return [(FakeServer(), "<fake-si>", 0)]
return [(FakeServer(), b"<fake-si>", 0)]
@implementer(ICheckAndRepairResults)
@ -141,18 +161,18 @@ class WebResultsRendering(unittest.TestCase):
sb = StorageFarmBroker(True, None, EMPTY_CLIENT_CONFIG)
# s.get_name() (the "short description") will be "v0-00000000".
# s.get_longname() will include the -long suffix.
servers = [("v0-00000000-long", "\x00"*20, "peer-0"),
("v0-ffffffff-long", "\xff"*20, "peer-f"),
("v0-11111111-long", "\x11"*20, "peer-11")]
servers = [(b"v0-00000000-long", b"\x00"*20, "peer-0"),
(b"v0-ffffffff-long", b"\xff"*20, "peer-f"),
(b"v0-11111111-long", b"\x11"*20, "peer-11")]
for (key_s, binary_tubid, nickname) in servers:
server_id = key_s
tubid_b32 = base32.b2a(binary_tubid)
furl = "pb://%s@nowhere/fake" % tubid_b32
furl = b"pb://%s@nowhere/fake" % tubid_b32
ann = { "version": 0,
"service-name": "storage",
"anonymous-storage-FURL": furl,
"permutation-seed-base32": "",
"nickname": unicode(nickname),
"nickname": str(nickname),
"app-versions": {}, # need #466 and v2 introducer
"my-version": "ver",
"oldest-supported": "oldest",
@ -174,11 +194,11 @@ class WebResultsRendering(unittest.TestCase):
lcr = web_check_results.LiteralCheckResultsRendererElement()
html = self.render_element(lcr)
self.failUnlessIn("Literal files are always healthy", html)
self.failUnlessIn(b"Literal files are always healthy", html)
html = self.render_element(lcr, args={"return_to": ["FOOURL"]})
self.failUnlessIn("Literal files are always healthy", html)
self.failUnlessIn('<a href="FOOURL">Return to file.</a>', html)
self.failUnlessIn(b"Literal files are always healthy", html)
self.failUnlessIn(b'<a href="FOOURL">Return to file.</a>', html)
c = self.create_fake_client()
lcr = web_check_results.LiteralCheckResultsRenderer(c)
@ -192,11 +212,11 @@ class WebResultsRendering(unittest.TestCase):
def test_check(self):
c = self.create_fake_client()
sb = c.storage_broker
serverid_1 = "\x00"*20
serverid_f = "\xff"*20
serverid_1 = b"\x00"*20
serverid_f = b"\xff"*20
server_1 = sb.get_stub_server(serverid_1)
server_f = sb.get_stub_server(serverid_f)
u = uri.CHKFileURI("\x00"*16, "\x00"*32, 3, 10, 1234)
u = uri.CHKFileURI(b"\x00"*16, b"\x00"*32, 3, 10, 1234)
data = { "count_happiness": 8,
"count_shares_needed": 3,
"count_shares_expected": 9,
@ -260,7 +280,7 @@ class WebResultsRendering(unittest.TestCase):
self.failUnlessIn("Not Recoverable! : rather dead", s)
html = self.render_element(w, args={"return_to": ["FOOURL"]})
self.failUnlessIn('<a href="FOOURL">Return to file/directory.</a>',
self.failUnlessIn(b'<a href="FOOURL">Return to file/directory.</a>',
html)
w = web_check_results.CheckResultsRenderer(c, cr)
@ -301,9 +321,9 @@ class WebResultsRendering(unittest.TestCase):
def test_check_and_repair(self):
c = self.create_fake_client()
sb = c.storage_broker
serverid_1 = "\x00"*20
serverid_f = "\xff"*20
u = uri.CHKFileURI("\x00"*16, "\x00"*32, 3, 10, 1234)
serverid_1 = b"\x00"*20
serverid_f = b"\xff"*20
u = uri.CHKFileURI(b"\x00"*16, b"\x00"*32, 3, 10, 1234)
data = { "count_happiness": 5,
"count_shares_needed": 3,
@ -419,21 +439,21 @@ class WebResultsRendering(unittest.TestCase):
def test_deep_check_renderer(self):
status = check_results.DeepCheckResults("fake-root-si")
status = check_results.DeepCheckResults(b"fake-root-si")
status.add_check(
FakeCheckResults("<unhealthy/unrecoverable>", False, False),
FakeCheckResults(b"<unhealthy/unrecoverable>", False, False),
(u"fake", u"unhealthy", u"unrecoverable")
)
status.add_check(
FakeCheckResults("<healthy/recoverable>", True, True),
FakeCheckResults(b"<healthy/recoverable>", True, True),
(u"fake", u"healthy", u"recoverable")
)
status.add_check(
FakeCheckResults("<healthy/unrecoverable>", True, False),
FakeCheckResults(b"<healthy/unrecoverable>", True, False),
(u"fake", u"healthy", u"unrecoverable")
)
status.add_check(
FakeCheckResults("<unhealthy/unrecoverable>", False, True),
FakeCheckResults(b"<unhealthy/unrecoverable>", False, True),
(u"fake", u"unhealthy", u"recoverable")
)
@ -512,18 +532,18 @@ class WebResultsRendering(unittest.TestCase):
)
def test_deep_check_and_repair_renderer(self):
status = check_results.DeepCheckAndRepairResults("")
status = check_results.DeepCheckAndRepairResults(b"")
status.add_check_and_repair(
FakeCheckAndRepairResults("attempted/success", True, True),
FakeCheckAndRepairResults(b"attempted/success", True, True),
(u"attempted", u"success")
)
status.add_check_and_repair(
FakeCheckAndRepairResults("attempted/failure", True, False),
FakeCheckAndRepairResults(b"attempted/failure", True, False),
(u"attempted", u"failure")
)
status.add_check_and_repair(
FakeCheckAndRepairResults("unattempted/failure", False, False),
FakeCheckAndRepairResults(b"unattempted/failure", False, False),
(u"unattempted", u"failure")
)
@ -662,7 +682,7 @@ class BalancingAct(GridTestMixin, unittest.TestCase):
"This little printing function is only meant for < 26 servers"
shares_chart = {}
names = dict(zip([ss.my_nodeid
for _,ss in self.g.servers_by_number.iteritems()],
for _,ss in self.g.servers_by_number.items()],
letters))
for shnum, serverid, _ in self.find_uri_shares(uri):
shares_chart.setdefault(shnum, []).append(names[serverid])
@ -676,8 +696,8 @@ class BalancingAct(GridTestMixin, unittest.TestCase):
c0.encoding_params['n'] = 4
c0.encoding_params['k'] = 3
DATA = "data" * 100
d = c0.upload(Data(DATA, convergence=""))
DATA = b"data" * 100
d = c0.upload(Data(DATA, convergence=b""))
def _stash_immutable(ur):
self.imm = c0.create_node_from_uri(ur.get_uri())
self.uri = self.imm.get_uri()
@ -742,13 +762,13 @@ class AddLease(GridTestMixin, unittest.TestCase):
c0 = self.g.clients[0]
c0.encoding_params['happy'] = 1
self.uris = {}
DATA = "data" * 100
d = c0.upload(Data(DATA, convergence=""))
DATA = b"data" * 100
d = c0.upload(Data(DATA, convergence=b""))
def _stash_immutable(ur):
self.imm = c0.create_node_from_uri(ur.get_uri())
d.addCallback(_stash_immutable)
d.addCallback(lambda ign:
c0.create_mutable_file(MutableData("contents")))
c0.create_mutable_file(MutableData(b"contents")))
def _stash_mutable(node):
self.mut = node
d.addCallback(_stash_mutable)
@ -834,8 +854,8 @@ class TooParallel(GridTestMixin, unittest.TestCase):
"max_segment_size": 5,
}
self.uris = {}
DATA = "data" * 100 # 400/5 = 80 blocks
return self.c0.upload(Data(DATA, convergence=""))
DATA = b"data" * 100 # 400/5 = 80 blocks
return self.c0.upload(Data(DATA, convergence=b""))
d.addCallback(_start)
def _do_check(ur):
n = self.c0.create_node_from_uri(ur.get_uri())

9
src/allmydata/test/test_python3.py
View File

@ -8,7 +8,7 @@ from __future__ import absolute_import
from __future__ import division
from __future__ import print_function
from future.utils import PY2
from future.utils import PY2, native_str
if PY2:
from builtins import filter, map, zip, ascii, chr, hex, input, next, oct, open, pow, round, super, bytes, dict, list, object, range, str, max, min # noqa: F401
@ -44,10 +44,9 @@ class Python3PortingEffortTests(SynchronousTestCase):
),
),
)
if PY2:
test_finished_porting.skip = "For some reason todo isn't working on Python 2 now"
else:
test_finished_porting.todo = "https://tahoe-lafs.org/trac/tahoe-lafs/milestone/Support%20Python%203 should be completed"
test_finished_porting.todo = native_str(
"https://tahoe-lafs.org/trac/tahoe-lafs/milestone/Support%20Python%203 should be completed",
)
def test_ported_modules_exist(self):
"""

2
src/allmydata/test/test_uri.py
View File

@ -11,7 +11,7 @@ from __future__ import unicode_literals
from future.utils import PY2
if PY2:
from future.builtins import filter, map, zip, ascii, chr, dict, hex, input, next, oct, open, pow, round, super, bytes, int, list, object, range, str, max, min # noqa: F401
from future.builtins import filter, map, zip, ascii, chr, dict, hex, input, next, oct, open, pow, round, super, bytes, list, object, range, str, max, min # noqa: F401
import os
from twisted.trial import unittest

30
src/allmydata/test/test_util.py
View File

@ -9,20 +9,24 @@ from __future__ import unicode_literals
from future.utils import PY2
if PY2:
# open is not here because we want to use native strings on Py2
from future.builtins import filter, map, zip, ascii, chr, hex, input, next, oct, pow, round, super, bytes, dict, list, object, range, str, max, min # noqa: F401
import six
import os, time, sys
import yaml
import json
from twisted.trial import unittest
from allmydata.util import idlib, mathutil
from allmydata.util import fileutil
from allmydata.util import jsonbytes
from allmydata.util import pollmixin
from allmydata.util import yamlutil
from allmydata.util.fileutil import EncryptedTemporaryFile
from allmydata.test.common_util import ReallyEqualMixin
if six.PY3:
long = int
@ -469,3 +473,29 @@ class YAML(unittest.TestCase):
self.assertIsInstance(back[0], str)
self.assertIsInstance(back[1], str)
self.assertIsInstance(back[2], str)
class JSONBytes(unittest.TestCase):
"""Tests for BytesJSONEncoder."""
def test_encode_bytes(self):
"""BytesJSONEncoder can encode bytes."""
data = {
b"hello": [1, b"cd"],
}
expected = {
u"hello": [1, u"cd"],
}
# Bytes get passed through as if they were UTF-8 Unicode:
encoded = jsonbytes.dumps(data)
self.assertEqual(json.loads(encoded), expected)
self.assertEqual(jsonbytes.loads(encoded), expected)
def test_encode_unicode(self):
"""BytesJSONEncoder encodes Unicode string as usual."""
expected = {
u"hello": [1, u"cd"],
}
encoded = jsonbytes.dumps(expected)
self.assertEqual(json.loads(encoded), expected)

5
src/allmydata/util/_python3.py
View File

@ -76,6 +76,7 @@ PORTED_MODULES = [
"allmydata.util.hashutil",
"allmydata.util.humanreadable",
"allmydata.util.iputil",
"allmydata.util.jsonbytes",
"allmydata.util.log",
"allmydata.util.mathutil",
"allmydata.util.namespace",
@ -89,9 +90,13 @@ PORTED_MODULES = [
]
PORTED_TEST_MODULES = [
"allmydata.test.mutable.test_datahandle",
"allmydata.test.mutable.test_different_encoding",
"allmydata.test.mutable.test_filehandle",
"allmydata.test.test_abbreviate",
"allmydata.test.test_base32",
"allmydata.test.test_base62",
"allmydata.test.test_checker",
"allmydata.test.test_codec",
"allmydata.test.test_common_util",
"allmydata.test.test_configutil",

51
src/allmydata/util/jsonbytes.py Normal file
View File

@ -0,0 +1,51 @@
"""
A JSON encoder than can serialize bytes.
Ported to Python 3.
"""
from __future__ import unicode_literals
from __future__ import absolute_import
from __future__ import division
from __future__ import print_function
from future.utils import PY2
if PY2:
from future.builtins import filter, map, zip, ascii, chr, hex, input, next, oct, open, pow, round, super, bytes, dict, list, object, range, str, max, min # noqa: F401
import json
class BytesJSONEncoder(json.JSONEncoder):
"""
A JSON encoder than can also encode bytes.
The bytes are assumed to be UTF-8 encoded Unicode strings.
"""
def default(self, o):
if isinstance(o, bytes):
return o.decode("utf-8")
return json.JSONEncoder.default(self, o)
def dumps(obj, *args, **kwargs):
"""Encode to JSON, supporting bytes as keys or values.
The bytes are assumed to be UTF-8 encoded Unicode strings.
"""
if isinstance(obj, dict):
new_obj = {}
for k, v in obj.items():
if isinstance(k, bytes):
k = k.decode("utf-8")
new_obj[k] = v
obj = new_obj
return json.dumps(obj, cls=BytesJSONEncoder, *args, **kwargs)
# To make this module drop-in compatible with json module:
loads = json.loads
__all__ = ["dumps", "loads"]

7
src/allmydata/web/check_results.py
View File

@ -1,6 +1,6 @@
from future.builtins import str
import time
import json
from twisted.web import (
http,
@ -31,6 +31,7 @@ from allmydata.interfaces import (
from allmydata.util import (
base32,
dictutil,
jsonbytes as json, # Supporting dumping bytes
)
@ -200,7 +201,7 @@ class ResultsBase(object):
return tags.ul(r)
def _html(self, s):
if isinstance(s, (str, unicode)):
if isinstance(s, (bytes, str)):
return html.escape(s)
assert isinstance(s, (list, tuple))
return [html.escape(w) for w in s]
@ -522,7 +523,7 @@ class DeepCheckResultsRendererElement(Element, ResultsBase, ReloadMixin):
summary = cr.get_summary()
if summary:
summary_text = ": " + summary
summary_text += " [SI: %s]" % cr.get_storage_index_string()
summary_text += " [SI: %s]" % cr.get_storage_index_string().decode("ascii")
problems.append({
# Not sure self._join_pathstring(path) is the
# right thing to use here.

29
src/allmydata/web/common.py
View File

@ -1,3 +1,5 @@
from future.utils import PY2
from past.builtins import unicode
import time
import json
@ -9,9 +11,17 @@ from twisted.web import (
server,
template,
)
from twisted.web.iweb import IRequest as ITwistedRequest
from twisted.python import log
from nevow import appserver
from nevow.inevow import IRequest
if PY2:
from nevow.appserver import DefaultExceptionHandler
from nevow.inevow import IRequest as INevowRequest
else:
class DefaultExceptionHandler:
def __init__(self, *args, **kwargs):
raise NotImplementedError("Still not ported to Python 3")
INevowRequest = None
from allmydata import blacklist
from allmydata.interfaces import (
EmptyPathnameComponentError,
@ -118,7 +128,10 @@ def parse_offset_arg(offset):
def get_root(ctx_or_req):
req = IRequest(ctx_or_req)
if PY2:
req = INevowRequest(ctx_or_req)
else:
req = ITwistedRequest(ctx_or_req)
depth = len(req.prepath) + len(req.postpath)
link = "/".join([".."] * depth)
return link
@ -319,9 +332,9 @@ def humanize_failure(f):
return humanize_exception(f.value)
class MyExceptionHandler(appserver.DefaultExceptionHandler, object):
class MyExceptionHandler(DefaultExceptionHandler, object):
def simple(self, ctx, text, code=http.BAD_REQUEST):
req = IRequest(ctx)
req = INevowRequest(ctx)
req.setResponseCode(code)
#req.responseHeaders.setRawHeaders("content-encoding", [])
#req.responseHeaders.setRawHeaders("content-disposition", [])
@ -347,17 +360,17 @@ class MyExceptionHandler(appserver.DefaultExceptionHandler, object):
# twisted.web.server.Request.render() has support for transforming
# this into an appropriate 501 NOT_IMPLEMENTED or 405 NOT_ALLOWED
# return code, but nevow does not.
req = IRequest(ctx)
req = INevowRequest(ctx)
method = req.method
return self.simple(ctx,
"I don't know how to treat a %s request." % method,
http.NOT_IMPLEMENTED)
req = IRequest(ctx)
req = INevowRequest(ctx)
accept = req.getHeader("accept")
if not accept:
accept = "*/*"
if "*/*" in accept or "text/*" in accept or "text/html" in accept:
super = appserver.DefaultExceptionHandler
super = DefaultExceptionHandler
return super.renderHTTP_exception(self, ctx, f)
# use plain text
traceback = f.getTraceback()

14
src/allmydata/web/operations.py
View File

@ -1,6 +1,10 @@
from future.utils import PY2
import time
from nevow import url
if PY2:
from nevow import url
else:
# This module still needs porting to Python 3
url = None
from twisted.web.template import (
renderer,
tags as T,
@ -160,12 +164,12 @@ class ReloadMixin(object):
@renderer
def reload(self, req, tag):
if self.monitor.is_finished():
return ""
return b""
# url.gethere would break a proxy, so the correct thing to do is
# req.path[-1] + queryargs
ophandle = req.prepath[-1]
reload_target = ophandle + "?output=html"
cancel_target = ophandle + "?t=cancel"
reload_target = ophandle + b"?output=html"
cancel_target = ophandle + b"?t=cancel"
cancel_button = T.form(T.input(type="submit", value="Cancel"),
action=cancel_target,
method="POST",