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sys.py
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# Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
#
# The Universal Permissive License (UPL), Version 1.0
#
# Subject to the condition set forth below, permission is hereby granted to any
# person obtaining a copy of this software, associated documentation and/or
# data (collectively the "Software"), free of charge and under any and all
# copyright rights in the Software, and any and all patent rights owned or
# freely licensable by each licensor hereunder covering either (i) the
# unmodified Software as contributed to or provided by such licensor, or (ii)
# the Larger Works (as defined below), to deal in both
#
# (a) the Software, and
#
# (b) any piece of software and/or hardware listed in the lrgrwrks.txt file if
# one is included with the Software each a "Larger Work" to which the Software
# is contributed by such licensors),
#
# without restriction, including without limitation the rights to copy, create
# derivative works of, display, perform, and distribute the Software and make,
# use, sell, offer for sale, import, export, have made, and have sold the
# Software and the Larger Work(s), and to sublicense the foregoing rights on
# either these or other terms.
#
# This license is subject to the following condition:
#
# The above copyright notice and either this complete permission notice or at a
# minimum a reference to the UPL must be included in all copies or substantial
# portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
def make_implementation_info():
from _descriptor import SimpleNamespace, make_named_tuple_class
version_info_type = make_named_tuple_class(
"version_info", ["major", "minor", "micro", "releaselevel", "serial"]
)
return SimpleNamespace(
name="graalpython",
cache_tag=None,
version_info=version_info_type(version_info),
_multiarch=__gmultiarch
)
implementation = make_implementation_info()
del make_implementation_info
del __gmultiarch
version_info = implementation.version_info
def make_flags_class():
from _descriptor import make_named_tuple_class
return make_named_tuple_class(
"flags",
["bytes_warning",
"debug",
"dont_write_bytecode",
"hash_randomization",
"ignore_environment",
"inspect",
"interactive",
"isolated",
"no_site",
"no_user_site",
"optimize",
"quiet",
"verbose"]
)
flags = make_flags_class()(flags)
del make_flags_class
def make_float_info_class():
from _descriptor import make_named_tuple_class
return make_named_tuple_class(
"float_info",
["max",
"max_exp",
"max_10_exp",
"min",
"min_exp",
"min_10_exp",
"dig",
"mant_dig",
"epsilon",
"radix",
"rounds"]
)
float_info = make_float_info_class()(float_info)
del make_float_info_class
def make_hash_info_class():
from _descriptor import make_named_tuple_class
return make_named_tuple_class(
"hash_info",
["algorithm",
"cutoff",
"hash_bits",
"imag",
"inf",
"modulus",
"nan",
"seed_bits",
"width"]
)
hash_info = make_hash_info_class()(
("java", 0, 64, 0, float('inf').__hash__(), 7, float('nan').__hash__(), 0, 64)
)
del make_hash_info_class
meta_path = []
path_hooks = []
path_importer_cache = {}
# these will be initialized explicitly from Java:
# prefix, base_prefix, exec_prefix, base_exec_prefix
warnoptions = []
# default prompt for interactive shell
ps1 = ">>> "
# continue prompt for interactive shell
ps2 = "... "
@__builtin__
def exit(arg=0):
raise SystemExit(arg)
def make_excepthook():
def simple_print_traceback(e):
print("Traceback (most recent call last):", file=stderr);
tb = e.__traceback__
while tb is not None:
print(' File "%s", line %d, in %s' % (
tb.tb_frame.f_code.co_filename,
tb.tb_lineno,
tb.tb_frame.f_code.co_name
), file=stderr)
tb = tb.tb_next
msg = str(e)
if msg:
print("%s: %s" % (type(e).__qualname__, msg), file=stderr)
else:
print(type(e).__qualname__, file=stderr)
def __print_traceback__(typ, value, tb):
try:
import traceback
traceback.print_exception(typ, value, tb)
except BaseException as exc:
print("Error in sys.excepthook:\n", file=stderr)
simple_print_traceback(exc)
print("\nOriginal exception was:\n", file=stderr)
simple_print_traceback(value)
return __print_traceback__
__excepthook__ = make_excepthook()
excepthook = __excepthook__
del make_excepthook
@__builtin__
def getrecursionlimit():
return 1000