Commit f66d9ac6 authored by Jim Fulton's avatar Jim Fulton Committed by GitHub

Merge pull request #122 from zopefoundation/remove-obsolete

Remove obsolete code
parents 5619509c 817e7d32
...@@ -85,11 +85,10 @@ ...@@ -85,11 +85,10 @@
import logging import logging
import struct import struct
import sys
from ZODB.POSException import POSKeyError from ZODB.POSException import POSKeyError
from ZODB.utils import u64, oid_repr, as_bytes from ZODB.utils import u64, oid_repr, as_bytes
from ZODB._compat import PY3
class CorruptedError(Exception): class CorruptedError(Exception):
pass pass
...@@ -262,7 +261,7 @@ class DataHeader(object): ...@@ -262,7 +261,7 @@ class DataHeader(object):
def TxnHeaderFromString(s): def TxnHeaderFromString(s):
res = TxnHeader(*struct.unpack(TRANS_HDR, s)) res = TxnHeader(*struct.unpack(TRANS_HDR, s))
if sys.version_info[0] >= 3: if PY3:
res.status = res.status.decode('ascii') res.status = res.status.decode('ascii')
return res return res
......
...@@ -15,8 +15,6 @@ ...@@ -15,8 +15,6 @@
$Id$""" $Id$"""
import sys
from ZODB.utils import oid_repr, readable_tid_repr from ZODB.utils import oid_repr, readable_tid_repr
# BBB: We moved the two transactions to the transaction package # BBB: We moved the two transactions to the transaction package
...@@ -37,26 +35,9 @@ _recon.__no_side_effects__ = True ...@@ -37,26 +35,9 @@ _recon.__no_side_effects__ = True
class POSError(Exception): class POSError(Exception):
"""Persistent object system error.""" """Persistent object system error."""
if sys.version_info[:2] == (2, 6):
# The 'message' attribute was deprecated for BaseException with
# Python 2.6; here we create descriptor properties to continue using it
def __set_message(self, v):
self.__dict__['message'] = v
def __get_message(self):
return self.__dict__['message']
def __del_message(self):
del self.__dict__['message']
message = property(__get_message, __set_message, __del_message)
if sys.version_info[:2] >= (2, 5):
def __reduce__(self): def __reduce__(self):
# Copy extra data from internal structures # Copy extra data from internal structures
state = self.__dict__.copy() state = self.__dict__.copy()
if sys.version_info[:2] == (2, 5):
state['message'] = self.message
state['args'] = self.args state['args'] = self.args
return (_recon, (self.__class__, state)) return (_recon, (self.__class__, state))
......
...@@ -82,7 +82,7 @@ def PersistentPickler(persistent_id, *args, **kwargs): ...@@ -82,7 +82,7 @@ def PersistentPickler(persistent_id, *args, **kwargs):
This covers the differences between Python 2 and 3 and PyPy/zodbpickle. This covers the differences between Python 2 and 3 and PyPy/zodbpickle.
""" """
p = Pickler(*args, **kwargs) p = Pickler(*args, **kwargs)
if sys.version_info[0] < 3: if not PY3:
p.inst_persistent_id = persistent_id p.inst_persistent_id = persistent_id
# PyPy uses a python implementation of cPickle/zodbpickle in both Python 2 # PyPy uses a python implementation of cPickle/zodbpickle in both Python 2
......
...@@ -36,9 +36,10 @@ from ZODB._compat import PersistentUnpickler ...@@ -36,9 +36,10 @@ from ZODB._compat import PersistentUnpickler
from ZODB._compat import decodebytes from ZODB._compat import decodebytes
from ZODB._compat import ascii_bytes from ZODB._compat import ascii_bytes
from ZODB._compat import INT_TYPES from ZODB._compat import INT_TYPES
from ZODB._compat import PY3
if sys.version_info[0] >= 3: if PY3:
from io import FileIO as file from io import FileIO as file
......
...@@ -24,7 +24,6 @@ from ZODB.utils import U64, p64, load_current ...@@ -24,7 +24,6 @@ from ZODB.utils import U64, p64, load_current
from transaction import Transaction from transaction import Transaction
import sys
import ZODB.blob import ZODB.blob
try: try:
...@@ -159,10 +158,8 @@ class IteratorStorage(IteratorCompare): ...@@ -159,10 +158,8 @@ class IteratorStorage(IteratorCompare):
# We store another transaction with 1 object, the already running # We store another transaction with 1 object, the already running
# iterator does not pick this up. # iterator does not pick this up.
self._dostore() self._dostore()
if sys.version_info[0] < 3: with self.assertRaises(StopIteration):
self.assertRaises(StopIteration, iterator.next) next(iterator)
else:
self.assertRaises(StopIteration, iterator.__next__)
class ExtendedIteratorStorage(IteratorCompare): class ExtendedIteratorStorage(IteratorCompare):
......
...@@ -33,7 +33,6 @@ import ZODB ...@@ -33,7 +33,6 @@ import ZODB
import ZODB.MappingStorage import ZODB.MappingStorage
import ZODB.tests.util import ZODB.tests.util
PY2 = sys.version_info[0] == 2
class CacheTestBase(ZODB.tests.util.TestCase): class CacheTestBase(ZODB.tests.util.TestCase):
......
...@@ -227,8 +227,7 @@ def open_convenience(): ...@@ -227,8 +227,7 @@ def open_convenience():
""" """
if sys.version_info >= (2, 6): def db_with_transaction():
def db_with_transaction():
"""Using databases with with """Using databases with with
The transaction method returns a context manager that when entered The transaction method returns a context manager that when entered
...@@ -248,7 +247,7 @@ if sys.version_info >= (2, 6): ...@@ -248,7 +247,7 @@ if sys.version_info >= (2, 6):
>>> conn2.opened >>> conn2.opened
Now, we'll open a 3rd connection a verify that Now, we'll open a 3rd connection a verify that
>>> conn3 = db.open() >>> conn3 = db.open()
>>> conn3.root()['x'] >>> conn3.root()['x']
...@@ -257,7 +256,7 @@ if sys.version_info >= (2, 6): ...@@ -257,7 +256,7 @@ if sys.version_info >= (2, 6):
1 1
>>> conn3.close() >>> conn3.close()
Let's try again, but this time, we'll have an exception: Let's try again, but this time, we'll have an exception:
>>> with db.transaction() as conn2: >>> with db.transaction() as conn2:
... conn2.root()['y'] = 2 ... conn2.root()['y'] = 2
......
...@@ -13,11 +13,11 @@ ...@@ -13,11 +13,11 @@
############################################################################## ##############################################################################
"""Test the list interface to PersistentList """Test the list interface to PersistentList
""" """
import sys
import unittest import unittest
from persistent.list import PersistentList from persistent.list import PersistentList
PY2 = sys.version_info[0] == 2 from six import PY2
l0 = [] l0 = []
l1 = [0] l1 = [0]
...@@ -84,7 +84,7 @@ class TestPList(unittest.TestCase): ...@@ -84,7 +84,7 @@ class TestPList(unittest.TestCase):
except IndexError: except IndexError:
pass pass
else: else:
raise TestFailed("uu2[2] shouldn't be assignable") self.fail("uu2[2] shouldn't be assignable")
# Test __delitem__ # Test __delitem__
...@@ -95,7 +95,7 @@ class TestPList(unittest.TestCase): ...@@ -95,7 +95,7 @@ class TestPList(unittest.TestCase):
except IndexError: except IndexError:
pass pass
else: else:
raise TestFailed("uu2[0] shouldn't be deletable") self.fail("uu2[0] shouldn't be deletable")
# Test __getslice__ # Test __getslice__
...@@ -191,7 +191,7 @@ class TestPList(unittest.TestCase): ...@@ -191,7 +191,7 @@ class TestPList(unittest.TestCase):
except ValueError: except ValueError:
pass pass
else: else:
raise TestFailed("expected ValueError") self.fail("expected ValueError")
# Test reverse # Test reverse
......
...@@ -23,20 +23,12 @@ old code, developers will have a hard time testing the new code. ...@@ -23,20 +23,12 @@ old code, developers will have a hard time testing the new code.
import unittest import unittest
import sys import sys
import transaction
from transaction import Transaction from transaction import Transaction
import ZODB import ZODB
from ZODB.MappingStorage import MappingStorage from ZODB.MappingStorage import MappingStorage
from ZODB._compat import Unpickler
try: from six import PY2
import cStringIO
except ImportError:
# Py3
import io as cStringIO
PY2 = sys.version_info[0] == 2
# This pickle contains a persistent mapping pickle created from the # This pickle contains a persistent mapping pickle created from the
# old code. # old code.
...@@ -68,35 +60,6 @@ class PMTests(unittest.TestCase): ...@@ -68,35 +60,6 @@ class PMTests(unittest.TestCase):
self.assertTrue(hasattr(r, 'data')) self.assertTrue(hasattr(r, 'data'))
self.assertTrue(not hasattr(r, '_container')) self.assertTrue(not hasattr(r, '_container'))
# TODO: This test fails in ZODB 3.3a1. It's making some assumption(s)
# about pickles that aren't true. Hard to say when it stopped working,
# because this entire test suite hasn't been run for a long time, due to
# a mysterious "return None" at the start of the test_suite() function
# below. I noticed that when the new checkBackwardCompat() test wasn't
# getting run.
def TODO_checkNewPicklesAreSafe(self):
s = MappingStorage()
db = ZODB.DB(s)
r = db.open().root()
r[1] = 1
r[2] = 2
r[3] = r
transaction.commit()
# MappingStorage stores serialno + pickle in its _index.
root_pickle = s._index['\000' * 8][8:]
# XXX not BytesIO really?
f = cStringIO.StringIO(root_pickle)
u = Unpickler(f)
klass_info = u.load()
klass = find_global(*klass_info[0])
inst = klass.__new__(klass)
state = u.load()
inst.__setstate__(state)
self.assertTrue(hasattr(inst, '_container'))
self.assertTrue(not hasattr(inst, 'data'))
def checkBackwardCompat(self): def checkBackwardCompat(self):
# Verify that the sanest of the ZODB 3.2 dotted paths still works. # Verify that the sanest of the ZODB 3.2 dotted paths still works.
from persistent.mapping import PersistentMapping as newPath from persistent.mapping import PersistentMapping as newPath
......
...@@ -19,7 +19,6 @@ import atexit ...@@ -19,7 +19,6 @@ import atexit
import os import os
import persistent import persistent
import re import re
import sys
import tempfile import tempfile
import time import time
import transaction import transaction
...@@ -136,9 +135,6 @@ class AAAA_Test_Runner_Hack(unittest.TestCase): ...@@ -136,9 +135,6 @@ class AAAA_Test_Runner_Hack(unittest.TestCase):
pass pass
def assert_warning(category, func, warning_text=''): def assert_warning(category, func, warning_text=''):
if sys.version_info < (2, 6):
return func() # Can't use catch_warnings :(
with warnings.catch_warnings(record=True) as w: with warnings.catch_warnings(record=True) as w:
warnings.simplefilter('default') warnings.simplefilter('default')
result = func() result = func()
...@@ -154,7 +150,7 @@ def assert_deprecated(func, warning_text=''): ...@@ -154,7 +150,7 @@ def assert_deprecated(func, warning_text=''):
def wait(func=None, timeout=30): def wait(func=None, timeout=30):
if func is None: if func is None:
return lambda f: wait(f, timeout) return lambda f: wait(f, timeout)
for i in range(int(timeout*100)): for _ in range(int(timeout*100)):
if func(): if func():
return return
time.sleep(.01) time.sleep(.01)
......
...@@ -17,7 +17,6 @@ import struct ...@@ -17,7 +17,6 @@ import struct
import sys import sys
import time import time
import threading import threading
import warnings
from binascii import hexlify, unhexlify from binascii import hexlify, unhexlify
from struct import pack, unpack from struct import pack, unpack
from tempfile import mkstemp from tempfile import mkstemp
...@@ -28,6 +27,8 @@ from ZODB._compat import Unpickler ...@@ -28,6 +27,8 @@ from ZODB._compat import Unpickler
from ZODB._compat import BytesIO from ZODB._compat import BytesIO
from ZODB._compat import ascii_bytes from ZODB._compat import ascii_bytes
from six import PY2
__all__ = ['z64', __all__ = ['z64',
'p64', 'p64',
'u64', 'u64',
...@@ -40,38 +41,12 @@ __all__ = ['z64', ...@@ -40,38 +41,12 @@ __all__ = ['z64',
'tid_repr', 'tid_repr',
'positive_id', 'positive_id',
'readable_tid_repr', 'readable_tid_repr',
'DEPRECATED_ARGUMENT',
'deprecated37',
'deprecated38',
'get_pickle_metadata', 'get_pickle_metadata',
'locked', 'locked',
] ]
# A unique marker to give as the default value for a deprecated argument.
# The method should then do a
#
# if that_arg is not DEPRECATED_ARGUMENT:
# complain
#
# dance.
DEPRECATED_ARGUMENT = object()
# Raise DeprecationWarning, noting that the deprecated thing will go
# away in ZODB 3.7. Point to the caller of our caller (i.e., at the
# code using the deprecated thing).
def deprecated37(msg):
warnings.warn("This will be removed in ZODB 3.7:\n%s" % msg,
DeprecationWarning, stacklevel=3)
# Raise DeprecationWarning, noting that the deprecated thing will go
# away in ZODB 3.8. Point to the caller of our caller (i.e., at the
# code using the deprecated thing).
def deprecated38(msg):
warnings.warn("This will be removed in ZODB 3.8:\n%s" % msg,
DeprecationWarning, stacklevel=3)
if sys.version_info[0] < 3: if PY2:
def as_bytes(obj): def as_bytes(obj):
"Convert obj into bytes" "Convert obj into bytes"
return str(obj) return str(obj)
...@@ -185,7 +160,7 @@ tid_repr = serial_repr ...@@ -185,7 +160,7 @@ tid_repr = serial_repr
# for 8-byte string tid b'\x03D\x14"\x94\x8bC\x99'. # for 8-byte string tid b'\x03D\x14"\x94\x8bC\x99'.
def readable_tid_repr(tid): def readable_tid_repr(tid):
result = tid_repr(tid) result = tid_repr(tid)
if isinstance(tid, str) and len(tid) == 8: if isinstance(tid, bytes) and len(tid) == 8:
result = "%s %s" % (result, TimeStamp(tid)) result = "%s %s" % (result, TimeStamp(tid))
return result return result
...@@ -316,7 +291,8 @@ class locked(object): ...@@ -316,7 +291,8 @@ class locked(object):
return Locked(func, preconditions=self.preconditions) return Locked(func, preconditions=self.preconditions)
if os.environ.get('DEBUG_LOCKING'): if os.environ.get('DEBUG_LOCKING'): # pragma: no cover
# NOTE: This only works on Python 3.
class Lock: class Lock:
lock_class = threading.Lock lock_class = threading.Lock
......
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