def setUp(self):
if sys.getrecursionlimit() < 1000:
sys.setrecursionlimit(1000)
self.addr = 'vJmtjxSDxNPXL4RNapp9ARdqKz3uJyf1EDGjr1Fgqs9c8mYsVH82h8wvnA4i5rtJ57mr3kor1EVJrd4e5upACJd588xe52yXtzumxj'
self.scan_pub = '025e58a31122b38c86abc119b9379fe247410aee87a533f9c07b189aef6c3c1f52'
self.scan_priv = '3e49e7257cb31db997edb1cf8299af0f37e2663e2260e4b8033e49d39a6d02f2'
self.spend_pub = '03616562c98e7d7b74be409a787cec3a912122f3fb331a9bee9b0b73ce7b9f50af'
self.spend_priv = 'aa3db0cfb3edc94de4d10f873f8190843f2a17484f6021a95a7742302c744748'
self.ephem_pub = '03403d306ec35238384c7e340393335f9bc9bb4a2e574eb4e419452c4ea19f14b0'
self.ephem_priv = '9e63abaf8dcd5ea3919e6de0b6c544e00bf51bf92496113a01d6e369944dc091'
self.shared_secret = 'a4047ee231f4121e3a99a3a3378542e34a384b865a9917789920e1f13ffd91c6'
self.pay_pub = '02726112ad39cb6bf848b1b1ef30b88e35286bf99f746c2be575f96c0e02a9357c'
self.pay_priv = '4e422fb1e5e1db6c1f6ab32a7706d368ceb385e7fab098e633c5c5949c3b97cd'
self.testnet_addr = 'waPUuLLykSnY3itzf1AyrQZm42F7KyB7SR5zpfqmnzPXWhx9kXLzV3EcyqzDdpTwngiyCCMUqztS9S1d7XJs3JMt3MsHPDpBCudvx9'
python类setrecursionlimit()的实例源码
def deepcopy(obj, recursion=100000):
"""
Perform a deep copy of obj using cPickle. Faster than copy.deepcopy()
for large objects.
@param obj: the object to copy
@return: a deep copy of obj
@param recursion: maximum recursion limit
@type recursion: int
"""
from csb.io import Pickle
current = sys.getrecursionlimit()
sys.setrecursionlimit(recursion)
tmp = Pickle.dumps(obj, Pickle.HIGHEST_PROTOCOL)
copy = Pickle.loads(tmp)
sys.setrecursionlimit(current)
return copy
def test_recursionlimit_recovery(self):
# NOTE: this test is slightly fragile in that it depends on the current
# recursion count when executing the test being low enough so as to
# trigger the recursion recovery detection in the _Py_MakeEndRecCheck
# macro (see ceval.h).
oldlimit = sys.getrecursionlimit()
def f():
f()
try:
for i in (50, 1000):
# Issue #5392: stack overflow after hitting recursion limit twice
sys.setrecursionlimit(i)
self.assertRaises(RuntimeError, f)
self.assertRaises(RuntimeError, f)
finally:
sys.setrecursionlimit(oldlimit)
def test_recursionlimit_fatalerror(self):
# A fatal error occurs if a second recursion limit is hit when recovering
# from a first one.
if os.name == "nt":
raise unittest.SkipTest(
"under Windows, test would generate a spurious crash dialog")
code = textwrap.dedent("""
import sys
def f():
try:
f()
except RuntimeError:
f()
sys.setrecursionlimit(%d)
f()""")
for i in (50, 1000):
sub = subprocess.Popen([sys.executable, '-c', code % i],
stderr=subprocess.PIPE)
err = sub.communicate()[1]
self.assertTrue(sub.returncode, sub.returncode)
self.assertTrue(
b"Fatal Python error: Cannot recover from stack overflow" in err,
err)
def __deepcopy__(self, memo):
"""
Hack sorting double chained task lists by task_id to avoid hitting
max_depth on deepcopy operations.
"""
sys.setrecursionlimit(5000) # TODO fix this in a better way
cls = self.__class__
result = cls.__new__(cls)
memo[id(self)] = result
for k, v in list(self.__dict__.items()):
if k not in ('user_defined_macros', 'user_defined_filters', 'params'):
setattr(result, k, copy.deepcopy(v, memo))
result.params = self.params
if hasattr(self, 'user_defined_macros'):
result.user_defined_macros = self.user_defined_macros
if hasattr(self, 'user_defined_filters'):
result.user_defined_filters = self.user_defined_filters
return result
def test_recursionlimit(self):
self.assertRaises(TypeError, sys.getrecursionlimit, 42)
oldlimit = sys.getrecursionlimit()
self.assertRaises(TypeError, sys.setrecursionlimit)
self.assertRaises(ValueError, sys.setrecursionlimit, -42)
sys.setrecursionlimit(10000)
self.assertEqual(sys.getrecursionlimit(), 10000)
sys.setrecursionlimit(oldlimit)
self.assertRaises(OverflowError, sys.setrecursionlimit, 1 << 31)
try:
sys.setrecursionlimit((1 << 31) - 5)
try:
# issue13546: isinstance(e, ValueError) used to fail
# when the recursion limit is close to 1<<31
raise ValueError()
except ValueError, e:
pass
finally:
sys.setrecursionlimit(oldlimit)
def check_limit(n, test_func_name):
sys.setrecursionlimit(n)
if test_func_name.startswith("test_"):
print test_func_name[5:]
else:
print test_func_name
test_func = globals()[test_func_name]
try:
test_func()
# AttributeError can be raised because of the way e.g. PyDict_GetItem()
# silences all exceptions and returns NULL, which is usually interpreted
# as "missing attribute".
except (RuntimeError, AttributeError):
pass
else:
print "Yikes!"
def test_recursionlimit(self):
self.assertRaises(TypeError, sys.getrecursionlimit, 42)
oldlimit = sys.getrecursionlimit()
self.assertRaises(TypeError, sys.setrecursionlimit)
self.assertRaises(ValueError, sys.setrecursionlimit, -42)
sys.setrecursionlimit(10000)
self.assertEqual(sys.getrecursionlimit(), 10000)
sys.setrecursionlimit(oldlimit)
self.assertRaises(OverflowError, sys.setrecursionlimit, 1 << 31)
try:
sys.setrecursionlimit((1 << 31) - 5)
try:
# issue13546: isinstance(e, ValueError) used to fail
# when the recursion limit is close to 1<<31
raise ValueError()
except ValueError, e:
pass
finally:
sys.setrecursionlimit(oldlimit)
def check_limit(n, test_func_name):
sys.setrecursionlimit(n)
if test_func_name.startswith("test_"):
print test_func_name[5:]
else:
print test_func_name
test_func = globals()[test_func_name]
try:
test_func()
# AttributeError can be raised because of the way e.g. PyDict_GetItem()
# silences all exceptions and returns NULL, which is usually interpreted
# as "missing attribute".
except (RuntimeError, AttributeError):
pass
else:
print "Yikes!"
def populate_group_command_tree(group, groups_map,cmds_map):
## Inrease the limit just in case recursive func calling use up recursionlimit
#import sys
#sys.setrecursionlimit(10000)
subgroups = []
for subgroup_name in group['subgroups']:
if groups_map.has_key(subgroup_name):
subgroup = groups_map[subgroup_name]
populate_group_command_tree(subgroup, groups_map, cmds_map)
subgroups.append(subgroup)
group['subgroups']=subgroups
cmd_list = []
for cmd_name in group['commands']:
if cmds_map.has_key(cmd_name):
cmd_list.append(cmds_map[cmd_name])
group['commands']=cmd_list
def test_recursionlimit_recovery(self):
# NOTE: this test is slightly fragile in that it depends on the current
# recursion count when executing the test being low enough so as to
# trigger the recursion recovery detection in the _Py_MakeEndRecCheck
# macro (see ceval.h).
oldlimit = sys.getrecursionlimit()
def f():
f()
try:
for i in (50, 1000):
# Issue #5392: stack overflow after hitting recursion limit twice
sys.setrecursionlimit(i)
self.assertRaises(RuntimeError, f)
self.assertRaises(RuntimeError, f)
finally:
sys.setrecursionlimit(oldlimit)
def test_recursionlimit_fatalerror(self):
# A fatal error occurs if a second recursion limit is hit when recovering
# from a first one.
code = textwrap.dedent("""
import sys
def f():
try:
f()
except RuntimeError:
f()
sys.setrecursionlimit(%d)
f()""")
with test.support.suppress_crash_popup():
for i in (50, 1000):
sub = subprocess.Popen([sys.executable, '-c', code % i],
stderr=subprocess.PIPE)
err = sub.communicate()[1]
self.assertTrue(sub.returncode, sub.returncode)
self.assertIn(
b"Fatal Python error: Cannot recover from stack overflow",
err)
def test_worst_case(self):
sys.setrecursionlimit(10 ** 7) # max depth of recursion
resource.setrlimit(resource.RLIMIT_STACK,
(resource.RLIM_INFINITY, resource.RLIM_INFINITY))
# Worst case is a tree with one child per node, that is, a list
test_input = [-1 if x == 0 else x - 1 for x in range(10 ** 5)]
tree = tree_height.TreeHeight(len(test_input), test_input)
assert len(test_input) == tree.compute_height()
# def test_provided_input_data(self):
# files_wildcard = os.path.dirname(__file__) + "/tree_height_test_input/*"
# files = glob.glob(files_wildcard)
# for file in files:
# with open(file) as f:
# size = f.readline()
# parent = f.readline()
# test_input = [int(x) for x in parent.split()]
# tree = tree_height.TreeHeight(len(test_input), test_input)
def __init__(self, n, e):
self.d = None
self.p = None
self.q = None
sys.setrecursionlimit(100000)
frac = self.rational_to_contfrac(e, n)
convergents = self.convergents_from_contfrac(frac)
for (k,d) in convergents:
if k!=0 and (e*d-1)%k == 0:
phi = (e*d-1)//k
s = n - phi + 1
discr = s*s - 4*n
if(discr>=0):
t = self.is_perfect_square(discr)
if t!=-1 and (s+t)%2==0:
self.d = d
x = Symbol('x')
roots = solve(x**2 - s*x + n, x)
if len(roots) == 2:
self.p = roots[0]
self.q = roots[1]
break
def save(s):
# increasing recursion depth to avoid pickle: maximum recursion depth error, see:
# http://stackoverflow.com/q/2134706/1030312
current_limit = sys.getrecursionlimit()
if current_limit < fypickling_recursion_limit:
sys.setrecursionlimit(fypickling_recursion_limit)
dump(
s,
open(s.url.pickle, 'wb'),
protocol = HIGHEST_PROTOCOL,
)
if current_limit < fypickling_recursion_limit:
sys.setrecursionlimit(current_limit)
def test_recursionlimit(self):
self.assertRaises(TypeError, sys.getrecursionlimit, 42)
oldlimit = sys.getrecursionlimit()
self.assertRaises(TypeError, sys.setrecursionlimit)
self.assertRaises(ValueError, sys.setrecursionlimit, -42)
sys.setrecursionlimit(10000)
self.assertEqual(sys.getrecursionlimit(), 10000)
sys.setrecursionlimit(oldlimit)
self.assertRaises(OverflowError, sys.setrecursionlimit, 1 << 31)
try:
sys.setrecursionlimit((1 << 31) - 5)
try:
# issue13546: isinstance(e, ValueError) used to fail
# when the recursion limit is close to 1<<31
raise ValueError()
except ValueError, e:
pass
finally:
sys.setrecursionlimit(oldlimit)
def test_recursionlimit_recovery(self):
if hasattr(sys, 'gettrace') and sys.gettrace():
self.skipTest('fatal error if run with a trace function')
# NOTE: this test is slightly fragile in that it depends on the current
# recursion count when executing the test being low enough so as to
# trigger the recursion recovery detection in the _Py_MakeEndRecCheck
# macro (see ceval.h).
oldlimit = sys.getrecursionlimit()
def f():
f()
try:
for i in (50, 1000):
# Issue #5392: stack overflow after hitting recursion limit twice
sys.setrecursionlimit(i)
self.assertRaises(RuntimeError, f)
self.assertRaises(RuntimeError, f)
finally:
sys.setrecursionlimit(oldlimit)
def test_recursionlimit_fatalerror(self):
# A fatal error occurs if a second recursion limit is hit when recovering
# from a first one.
code = textwrap.dedent("""
import sys
def f():
try:
f()
except RuntimeError:
f()
sys.setrecursionlimit(%d)
f()""")
with test.support.SuppressCrashReport():
for i in (50, 1000):
sub = subprocess.Popen([sys.executable, '-c', code % i],
stderr=subprocess.PIPE)
err = sub.communicate()[1]
self.assertTrue(sub.returncode, sub.returncode)
self.assertIn(
b"Fatal Python error: Cannot recover from stack overflow",
err)
def test_recursionlimit(self):
self.assertRaises(TypeError, sys.getrecursionlimit, 42)
oldlimit = sys.getrecursionlimit()
self.assertRaises(TypeError, sys.setrecursionlimit)
self.assertRaises(ValueError, sys.setrecursionlimit, -42)
sys.setrecursionlimit(10000)
self.assertEqual(sys.getrecursionlimit(), 10000)
sys.setrecursionlimit(oldlimit)
self.assertRaises(OverflowError, sys.setrecursionlimit, 1 << 31)
try:
sys.setrecursionlimit((1 << 31) - 5)
try:
# issue13546: isinstance(e, ValueError) used to fail
# when the recursion limit is close to 1<<31
raise ValueError()
except ValueError, e:
pass
finally:
sys.setrecursionlimit(oldlimit)
def __deepcopy__(self, memo):
"""
Hack sorting double chained task lists by task_id to avoid hitting
max_depth on deepcopy operations.
"""
sys.setrecursionlimit(5000) # TODO fix this in a better way
cls = self.__class__
result = cls.__new__(cls)
memo[id(self)] = result
for k, v in list(self.__dict__.items()):
if k not in ('user_defined_macros', 'params'):
setattr(result, k, copy.deepcopy(v, memo))
result.params = self.params
if hasattr(self, 'user_defined_macros'):
result.user_defined_macros = self.user_defined_macros
return result
def test_getWorkerArguments(self):
"""
C{_getWorkerArguments} discards options like C{random} as they only
matter in the manager, and forwards options like C{recursionlimit} or
C{disablegc}.
"""
self.addCleanup(sys.setrecursionlimit, sys.getrecursionlimit())
if gc.isenabled():
self.addCleanup(gc.enable)
self.options.parseOptions(["--recursionlimit", "2000", "--random",
"4", "--disablegc"])
args = self.options._getWorkerArguments()
self.assertIn("--disablegc", args)
args.remove("--disablegc")
self.assertEqual(["--recursionlimit", "2000"], args)
def test_recursionlimit_recovery(self):
# NOTE: this test is slightly fragile in that it depends on the current
# recursion count when executing the test being low enough so as to
# trigger the recursion recovery detection in the _Py_MakeEndRecCheck
# macro (see ceval.h).
oldlimit = sys.getrecursionlimit()
def f():
f()
try:
for i in (50, 1000):
# Issue #5392: stack overflow after hitting recursion limit twice
sys.setrecursionlimit(i)
self.assertRaises(RuntimeError, f)
self.assertRaises(RuntimeError, f)
finally:
sys.setrecursionlimit(oldlimit)
def test_recursionlimit_fatalerror(self):
# A fatal error occurs if a second recursion limit is hit when recovering
# from a first one.
code = textwrap.dedent("""
import sys
def f():
try:
f()
except RuntimeError:
f()
sys.setrecursionlimit(%d)
f()""")
with test.support.SuppressCrashReport():
for i in (50, 1000):
sub = subprocess.Popen([sys.executable, '-c', code % i],
stderr=subprocess.PIPE)
err = sub.communicate()[1]
self.assertTrue(sub.returncode, sub.returncode)
self.assertIn(
b"Fatal Python error: Cannot recover from stack overflow",
err)
def test_g_zero():
# recursion limit :(
sys.setrecursionlimit(2000)
# generate signature
m = "hello, world"
h = int(sha1_hexdigest(m), 16)
S = DSA_signer(g = 0)
r, s = S.DSA_sign(h)
# verify signature
V = DSA_verifier(g = 0)
print V.verify(S, r, s, h)
forged_signature = "omgwtfbbq"
h = int(sha1_hexdigest(forged_signature), 16)
print V.verify(S, r, s, h)
read_write.py 文件源码
项目：visual_turing_test-tutorial
作者: mateuszmalinowski
项目源码
文件源码
阅读 26
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def pickle_model(
path,
model,
word2index_x,
word2index_y,
index2word_x,
index2word_y):
import sys
import cPickle as pickle
modifier=10
tmp = sys.getrecursionlimit()
sys.setrecursionlimit(tmp*modifier)
with open(path, 'wb') as f:
p_dict = {'model':model,
'word2index_x':word2index_x,
'word2index_y':word2index_y,
'index2word_x':index2word_x,
'index2word_y':index2word_y}
pickle.dump(p_dict, f, protocol=2)
sys.setrecursionlimit(tmp)
def __call__(self, *args):
## Start by extending recursion depth just a bit.
## If the error we are catching is due to recursion, we don't want to generate another one here.
recursionLimit = sys.getrecursionlimit()
try:
sys.setrecursionlimit(recursionLimit+100)
## call original exception handler first (prints exception)
global original_excepthook, callbacks, clear_tracebacks
try:
print("===== %s =====" % str(time.strftime("%Y.%m.%d %H:%m:%S", time.localtime(time.time()))))
except Exception:
sys.stderr.write("Warning: stdout is broken! Falling back to stderr.\n")
sys.stdout = sys.stderr
ret = original_excepthook(*args)
for cb in callbacks:
try:
cb(*args)
except Exception:
print(" --------------------------------------------------------------")
print(" Error occurred during exception callback %s" % str(cb))
print(" --------------------------------------------------------------")
traceback.print_exception(*sys.exc_info())
## Clear long-term storage of last traceback to prevent memory-hogging.
## (If an exception occurs while a lot of data is present on the stack,
## such as when loading large files, the data would ordinarily be kept
## until the next exception occurs. We would rather release this memory
## as soon as possible.)
if clear_tracebacks is True:
sys.last_traceback = None
finally:
sys.setrecursionlimit(recursionLimit)
def __call__(self, *args):
## Start by extending recursion depth just a bit.
## If the error we are catching is due to recursion, we don't want to generate another one here.
recursionLimit = sys.getrecursionlimit()
try:
sys.setrecursionlimit(recursionLimit+100)
## call original exception handler first (prints exception)
global original_excepthook, callbacks, clear_tracebacks
try:
print("===== %s =====" % str(time.strftime("%Y.%m.%d %H:%m:%S", time.localtime(time.time()))))
except Exception:
sys.stderr.write("Warning: stdout is broken! Falling back to stderr.\n")
sys.stdout = sys.stderr
ret = original_excepthook(*args)
for cb in callbacks:
try:
cb(*args)
except Exception:
print(" --------------------------------------------------------------")
print(" Error occurred during exception callback %s" % str(cb))
print(" --------------------------------------------------------------")
traceback.print_exception(*sys.exc_info())
## Clear long-term storage of last traceback to prevent memory-hogging.
## (If an exception occurs while a lot of data is present on the stack,
## such as when loading large files, the data would ordinarily be kept
## until the next exception occurs. We would rather release this memory
## as soon as possible.)
if clear_tracebacks is True:
sys.last_traceback = None
finally:
sys.setrecursionlimit(recursionLimit)
bsp_tree.py 文件源码
项目：Blender-WMO-import-export-scripts
作者: WowDevTools
项目源码
文件源码
阅读 23
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def GenerateBSP(self, vertices, indices, max_face_count):
resurs_limit = sys.getrecursionlimit()
sys.setrecursionlimit(100000)
faces = []
for iFace in range(len(indices) // 3):
faces.append(iFace)
box = calculate_bounding_box(vertices)
self.add_node(box, faces, vertices, indices, max_face_count)
sys.setrecursionlimit(resurs_limit)
def opt_recursionlimit(self, arg):
"""see sys.setrecursionlimit()"""
try:
sys.setrecursionlimit(int(arg))
except (TypeError, ValueError):
raise usage.UsageError(
"argument to recursionlimit must be an integer")
def cnn_save(self, savepath='cnn.pkl'):
"""Save the trained network
input
=====
savepath: str
Path of the net to be saved
"""
import sys
sys.setrecursionlimit(1000000)
import pickle
fp = open(savepath, 'wb')
# write
pickle.dump(self.net, fp)
fp.close()
