> Please, put the log somewhere accessible to everybody.
> From which version did you upgrade? Sometimes, the build system is not
> smart enough and it is needed to do a "make distclean" and then
> "make"... i.e. rebuilding Sage from scratch.
>
Thanks for your help! I attach the report -- I upgraded from 6.2.beta4 if I
remember right. I will redo the make, but that will take until tomorrow
morning...
--
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***************************************************************************
IPython post-mortem report
{'codename': 'An Afternoon Hack',
'commit_hash': 'f4fdcea',
'commit_source': 'installation',
'default_encoding': 'UTF-8',
'ipython_path':
'/home/stumpc5/progs/sage/local/lib/python2.7/site-packages/IPython',
'ipython_version': '1.2.1',
'os_name': 'posix',
'platform': 'Linux-3.13.0-24-generic-x86_64-with-debian-jessie-sid',
'sys_executable': '/home/stumpc5/progs/sage/local/bin/python',
'sys_platform': 'linux2',
'sys_version': '2.7.5 (default, Mar 16 2014, 20:03:41) \n[GCC 4.8.1]'}
***************************************************************************
***************************************************************************
Crash traceback:
---------------------------------------------------------------------------
ImportError Python 2.7.5: /home/stumpc5/progs/sage/local/bin/python
Thu Apr 24 22:33:29 2014
A problem occured executing Python code. Here is the sequence of function
calls leading up to the error, with the most recent (innermost) call last.
/home/stumpc5/progs/sage/src/bin/sage-ipython in <module>()
1 #!/usr/bin/env python
2 # -*- coding: utf-8 -*-
3 """
4 Sage IPython startup script.
5 """
6 from sage.repl.interpreter import SageTerminalApp
7
8 # installs the extra readline commands before the IPython
initialization begins.
9 from sage.repl.readline_extra_commands import *
10
11 app = SageTerminalApp.instance()
---> 12 app.initialize()
global app.initialize = <bound method SageTerminalApp.initialize of
<sage.repl.interpreter.SageTerminalApp object at 0x1d2ac50>>
13 app.start()
/home/stumpc5/progs/sage/local/lib/python2.7/site-packages/IPython/terminal/ipapp.pyc
in initialize(self=<sage.repl.interpreter.SageTerminalApp object>, argv=None)
/home/stumpc5/progs/sage/local/lib/python2.7/site-packages/IPython/config/application.pyc
in catch_config_error(method=<function initialize>,
app=<sage.repl.interpreter.SageTerminalApp object>, *args=(None,), **kwargs={})
74
75
#-----------------------------------------------------------------------------
76 # Application class
77
#-----------------------------------------------------------------------------
78
79 @decorator
80 def catch_config_error(method, app, *args, **kwargs):
81 """Method decorator for catching invalid config
(Trait/ArgumentErrors) during init.
82
83 On a TraitError (generally caused by bad config), this will print
the trait's
84 message, and exit the app.
85
86 For use on init methods, to prevent invoking excepthook on invalid
input.
87 """
88 try:
---> 89 return method(app, *args, **kwargs)
method = <function initialize at 0x1d238c0>
app = <sage.repl.interpreter.SageTerminalApp object at 0x1d2ac50>
args = (None,)
kwargs = {}
90 except (TraitError, ArgumentError) as e:
91 app.print_help()
92 app.log.fatal("Bad config encountered during initialization:")
93 app.log.fatal(str(e))
94 app.log.debug("Config at the time: %s", app.config)
95 app.exit(1)
96
97
98 class ApplicationError(Exception):
99 pass
100
101 class LevelFormatter(logging.Formatter):
102 """Formatter with additional `highlevel` record
103
104 This field is empty if log level is less than highlevel_limit,
/home/stumpc5/progs/sage/local/lib/python2.7/site-packages/IPython/terminal/ipapp.pyc
in initialize(self=<sage.repl.interpreter.SageTerminalApp object>, argv=None)
308
309 @catch_config_error
310 def initialize(self, argv=None):
311 """Do actions after construct, but before starting the app."""
312 super(TerminalIPythonApp, self).initialize(argv)
313 if self.subapp is not None:
314 # don't bother initializing further, starting subapp
315 return
316 if not self.ignore_old_config:
317 check_for_old_config(self.ipython_dir)
318 # print self.extra_args
319 if self.extra_args and not self.something_to_run:
320 self.file_to_run = self.extra_args[0]
321 self.init_path()
322 # create the shell
--> 323 self.init_shell()
self.init_shell = <bound method SageTerminalApp.init_shell of
<sage.repl.interpreter.SageTerminalApp object at 0x1d2ac50>>
324 # and draw the banner
325 self.init_banner()
326 # Now a variety of things that happen after the banner is
printed.
327 self.init_gui_pylab()
328 self.init_extensions()
329 self.init_code()
330
331 def init_shell(self):
332 """initialize the InteractiveShell instance"""
333 # Create an InteractiveShell instance.
334 # shell.display_banner should always be False for the terminal
335 # based app, because we call shell.show_banner() by hand below
336 # so the banner shows *before* all extension loading stuff.
337 self.shell = TerminalInteractiveShell.instance(parent=self,
338 display_banner=False,
profile_dir=self.profile_dir,
/home/stumpc5/progs/sage/local/lib/python2.7/site-packages/sage/repl/interpreter.pyc
in init_shell(self=<sage.repl.interpreter.SageTerminalApp object>)
510 sage: app.shell
511 <sage.repl.interpreter.SageInteractiveShell object at 0x...>
512 """
513 # Shell initialization
514 self.shell = SageInteractiveShell.instance(config=self.config,
515 display_banner=False,
profile_dir=self.profile_dir,
516 ipython_dir=self.ipython_dir)
517 self.shell.configurables.append(self)
518 self.shell.has_sage_extensions = SAGE_EXTENSION in
self.extensions
519
520 if self.shell.has_sage_extensions:
521 self.extensions.remove(SAGE_EXTENSION)
522
523 # load sage extension here to get a crash if
524 # something is wrong with the sage library
--> 525 self.shell.extension_manager.load_extension(SAGE_EXTENSION)
self.shell.extension_manager.load_extension = <bound method
ExtensionManager.load_extension of <IPython.core.extensions.ExtensionManager
object at 0x1d4ef10>>
global SAGE_EXTENSION = 'sage'
/home/stumpc5/progs/sage/local/lib/python2.7/site-packages/IPython/core/extensions.pyc
in load_extension(self=<IPython.core.extensions.ExtensionManager object>,
module_str='sage')
85
86 Returns the string "already loaded" if the extension is already
loaded,
87 "no load function" if the module doesn't have a
load_ipython_extension
88 function, or None if it succeeded.
89 """
90 if module_str in self.loaded:
91 return "already loaded"
92
93 from IPython.utils.syspathcontext import prepended_to_syspath
94
95 with self.shell.builtin_trap:
96 if module_str not in sys.modules:
97 with prepended_to_syspath(self.ipython_extension_dir):
98 __import__(module_str)
99 mod = sys.modules[module_str]
--> 100 if self._call_load_ipython_extension(mod):
self._call_load_ipython_extension = <bound method
ExtensionManager._call_load_ipython_extension of
<IPython.core.extensions.ExtensionManager object at 0x1d4ef10>>
mod = <module 'sage' from
'/home/stumpc5/progs/sage/local/lib/python2.7/site-packages/sage/__init__.pyc'>
101 self.loaded.add(module_str)
102 else:
103 return "no load function"
104
105 def unload_extension(self, module_str):
106 """Unload an IPython extension by its module name.
107
108 This function looks up the extension's name in ``sys.modules``
and
109 simply calls ``mod.unload_ipython_extension(self)``.
110
111 Returns the string "no unload function" if the extension
doesn't define
112 a function to unload itself, "not loaded" if the extension
isn't loaded,
113 otherwise None.
114 """
115 if module_str not in self.loaded:
/home/stumpc5/progs/sage/local/lib/python2.7/site-packages/IPython/core/extensions.pyc
in _call_load_ipython_extension(self=<IPython.core.extensions.ExtensionManager
object>, mod=<module 'sage' from
'/home/stumpc5/progs/sage/local/lib/python2.7/site-packages/sage/__init__.pyc'>)
132 """
133 from IPython.utils.syspathcontext import prepended_to_syspath
134
135 if (module_str in self.loaded) and (module_str in sys.modules):
136 self.unload_extension(module_str)
137 mod = sys.modules[module_str]
138 with prepended_to_syspath(self.ipython_extension_dir):
139 reload(mod)
140 if self._call_load_ipython_extension(mod):
141 self.loaded.add(module_str)
142 else:
143 self.load_extension(module_str)
144
145 def _call_load_ipython_extension(self, mod):
146 if hasattr(mod, 'load_ipython_extension'):
--> 147 mod.load_ipython_extension(self.shell)
mod.load_ipython_extension = <function load_ipython_extension at
0x1d2e0c8>
self.shell = <sage.repl.interpreter.SageInteractiveShell object at
0x1d2af50>
148 return True
149
150 def _call_unload_ipython_extension(self, mod):
151 if hasattr(mod, 'unload_ipython_extension'):
152 mod.unload_ipython_extension(self.shell)
153 return True
154
155 def install_extension(self, url, filename=None):
156 """Download and install an IPython extension.
157
158 If filename is given, the file will be so named (inside the
extension
159 directory). Otherwise, the name from the URL will be used. The
file must
160 have a .py or .zip extension; otherwise, a ValueError will be
raised.
161
162 Returns the full path to the installed file.
/home/stumpc5/progs/sage/local/lib/python2.7/site-packages/sage/repl/ipython_extension.pyc
in wrapper(*args=(<sage.repl.interpreter.SageInteractiveShell object>,),
**kwargs={})
396 ....: if work:
397 ....: return 'foo worked'
398 ....: raise RuntimeError("foo didn't work")
399 sage: foo(False)
400 Traceback (most recent call last):
401 ...
402 RuntimeError: foo didn't work
403 sage: foo(True)
404 'foo worked'
405 sage: foo(False)
406 sage: foo(True)
407 """
408 @wraps(func)
409 def wrapper(*args, **kwargs):
410 if not wrapper.has_run:
--> 411 result = func(*args, **kwargs)
result = undefined
global func = undefined
args = (<sage.repl.interpreter.SageInteractiveShell object at
0x1d2af50>,)
kwargs = {}
412 wrapper.has_run = True
413 return result
414 wrapper.has_run = False
415 return wrapper
416
417
418 @run_once
419 def load_ipython_extension(ip):
420 """
421 Load the extension in IPython.
422 """
423 # this modifies ip
424 SageCustomizations(shell=ip)
/home/stumpc5/progs/sage/local/lib/python2.7/site-packages/sage/repl/ipython_extension.pyc
in load_ipython_extension(ip=<sage.repl.interpreter.SageInteractiveShell
object>)
409 def wrapper(*args, **kwargs):
410 if not wrapper.has_run:
411 result = func(*args, **kwargs)
412 wrapper.has_run = True
413 return result
414 wrapper.has_run = False
415 return wrapper
416
417
418 @run_once
419 def load_ipython_extension(ip):
420 """
421 Load the extension in IPython.
422 """
423 # this modifies ip
--> 424 SageCustomizations(shell=ip)
global SageCustomizations = <class
'sage.repl.ipython_extension.SageCustomizations'>
global shell = undefined
ip = <sage.repl.interpreter.SageInteractiveShell object at 0x1d2af50>
/home/stumpc5/progs/sage/local/lib/python2.7/site-packages/sage/repl/ipython_extension.pyc
in __init__(self=<sage.repl.ipython_extension.SageCustomizations object>,
shell=<sage.repl.interpreter.SageInteractiveShell object>)
280 self.shell.register_magics(self.auto_magics)
281
282 import sage.misc.displayhook as displayhook
283 self.shell.display_formatter.formatters['text/plain'] = (
284 displayhook.SagePlainTextFormatter(config=shell.config))
285
286 import sage.misc.edit_module as edit_module
287 self.shell.set_hook('editor', edit_module.edit_devel)
288
289 self.init_inspector()
290 self.init_line_transforms()
291
292 import inputhook
293 inputhook.install()
294
--> 295 import sage.all # until sage's import hell is fixed
sage.all = undefined
296
297 self.shell.verbose_quit = True
298 self.set_quit_hook()
299
300 self.register_interface_magics()
301
302 if SAGE_IMPORTALL == 'yes':
303 self.init_environment()
304
305
306 def register_interface_magics(self):
307 """
308 Register magics for each of the Sage interfaces
309 """
310 from sage.misc.superseded import deprecation
/home/stumpc5/progs/sage/local/lib/python2.7/site-packages/sage/all.py in
<module>()
84 from sage.ext.c_lib import AlarmInterrupt, SignalError
85
86 import sage.misc.lazy_import
87 from sage.misc.all import * # takes a while
88 from sage.repl.all import *
89
90 from sage.misc.sh import sh
91
92 from sage.libs.all import *
93 from sage.doctest.all import *
94 try:
95 from sage.dev.all import *
96 except ImportError:
97 pass # dev scripts are disabled
98
---> 99 from sage.rings.all import *
global sage.rings.all = undefined
100 from sage.matrix.all import *
101
102 # This must come before Calculus -- it initializes the Pynac library.
103 import sage.symbolic.pynac
104
105 from sage.modules.all import *
106 from sage.monoids.all import *
107 from sage.algebras.all import *
108 from sage.modular.all import *
109 from sage.schemes.all import *
110 from sage.graphs.all import *
111 from sage.groups.all import *
112 from sage.databases.all import *
113 from sage.structure.all import *
114 from sage.categories.all import *
/home/stumpc5/progs/sage/local/lib/python2.7/site-packages/sage/rings/all.pyc
in <module>()
53
54 # Rational numbers
55 from rational_field import RationalField, QQ
56 from rational import Rational
57 Rationals = RationalField
58
59 # Integers modulo n.
60 from sage.rings.finite_rings.integer_mod_ring import IntegerModRing,
Zmod
61 from sage.rings.finite_rings.integer_mod import IntegerMod, Mod, mod
62 Integers = IntegerModRing
63
64 # Finite fields
65 from finite_rings.all import *
66
67 # Number field
---> 68 from number_field.all import *
global number_field.all = undefined
69
70 # Function field
71 from function_field.all import *
72
73 # p-adic field
74 from padics.all import *
75 from padics.padic_printing import _printer_defaults as padic_printing
76
77 # Semirings
78 from semirings.all import *
79
80 # Real numbers
81 from real_mpfr import (RealField, RR,
82 create_RealNumber as RealNumber) # this is
used by the preparser to wrap real literals -- very important.
83 Reals = RealField
/home/stumpc5/progs/sage/local/lib/python2.7/site-packages/sage/rings/number_field/all.py
in <module>()
1 from number_field_base import is_NumberField
2
3 from number_field import (NumberField, NumberFieldTower,
CyclotomicField, QuadraticField,
4 is_CyclotomicField, is_QuadraticField,
5 is_AbsoluteNumberField,
6 is_fundamental_discriminant)
7 from number_field_element import (NumberFieldElement,
is_NumberFieldElement)
8 from number_field_ideal import is_NumberFieldIdeal,
is_NumberFieldFractionalIdeal
9
10 from number_field_rel import is_RelativeNumberField
11
12 from number_field_ideal_rel import is_NumberFieldFractionalIdeal_rel
13
14 from order import is_NumberFieldOrder, EquationOrder
15
---> 16 from totallyreal import enumerate_totallyreal_fields_prim
global totallyreal = undefined
global enumerate_totallyreal_fields_prim = undefined
17 from totallyreal_data import hermite_constant
18 from totallyreal_rel import enumerate_totallyreal_fields_all,
enumerate_totallyreal_fields_rel
19
20 from unit_group import UnitGroup
/home/stumpc5/progs/sage-5.6/totallyreal_data.pxd in init
sage.rings.number_field.totallyreal
(sage/rings/number_field/totallyreal.c:7909)()
/home/stumpc5/progs/sage-5.6/totallyreal_data.pyx in init
sage.rings.number_field.totallyreal_data
(sage/rings/number_field/totallyreal_data.c:9189)()
/home/stumpc5/progs/sage/local/lib/python2.7/site-packages/sage/rings/polynomial/polynomial_ring_constructor.pyc
in PolynomialRing(base_ring=Integer Ring, arg1='x', arg2=None, sparse=False,
order='degrevlex', names=None, name='x', var_array=None, implementation=None)
452 arg2 = [str(x) for x in arg2]
453 if isinstance(arg2, (int, long, Integer)):
454 # 3. PolynomialRing(base_ring, names, n, order='degrevlex'):
455 if not isinstance(arg1, (list, tuple, str)):
456 raise TypeError("You *must* specify the names of the
variables.")
457 n = int(arg2)
458 names = arg1
459 R = _multi_variate(base_ring, names, n, sparse, order,
implementation)
460
461 elif isinstance(arg1, str) or (isinstance(arg1, (list,tuple)) and
len(arg1) == 1):
462 if not ',' in arg1:
463 # 1. PolynomialRing(base_ring, name, sparse=False):
464 if not arg2 is None:
465 raise TypeError("if second arguments is a string with
no commas, then there must be no other non-optional arguments")
466 name = arg1
--> 467 R = _single_variate(base_ring, name, sparse, implementation)
R = None
global _single_variate = <function _single_variate at 0x2a31488>
base_ring = Integer Ring
name = 'x'
sparse = False
implementation = None
468 else:
469 # 2-4. PolynomialRing(base_ring, names, order='degrevlex'):
470 if not arg2 is None:
471 raise TypeError("invalid input to PolynomialRing
function; please see the docstring for that function")
472 names = arg1.split(',')
473 n = len(names)
474 R = _multi_variate(base_ring, names, n, sparse, order,
implementation)
475 elif isinstance(arg1, (list, tuple)):
476 # PolynomialRing(base_ring, names (list or tuple),
order='degrevlex'):
477 names = arg1
478 n = len(names)
479 R = _multi_variate(base_ring, names, n, sparse, order,
implementation)
480
481 if arg1 is None and arg2 is None:
482 raise TypeError("you *must* specify the indeterminates (as not
None).")
/home/stumpc5/progs/sage/local/lib/python2.7/site-packages/sage/rings/polynomial/polynomial_ring_constructor.pyc
in _single_variate(base_ring=Integer Ring, name=('x',), sparse=False,
implementation=None)
526 R =
m.PolynomialRing_dense_padic_field_capped_relative(base_ring, name)
527
528 elif isinstance(base_ring,
padic_base_leaves.pAdicRingCappedRelative):
529 R =
m.PolynomialRing_dense_padic_ring_capped_relative(base_ring, name)
530
531 elif isinstance(base_ring,
padic_base_leaves.pAdicRingCappedAbsolute):
532 R =
m.PolynomialRing_dense_padic_ring_capped_absolute(base_ring, name)
533
534 elif isinstance(base_ring, padic_base_leaves.pAdicRingFixedMod):
535 R = m.PolynomialRing_dense_padic_ring_fixed_mod(base_ring,
name)
536
537 elif base_ring.is_field(proof = False):
538 R = m.PolynomialRing_field(base_ring, name, sparse)
539
540 elif base_ring.is_integral_domain(proof = False):
--> 541 R = m.PolynomialRing_integral_domain(base_ring, name,
sparse, implementation)
R = None
m.PolynomialRing_integral_domain = <class
'sage.rings.polynomial.polynomial_ring.PolynomialRing_integral_domain'>
base_ring = Integer Ring
name = ('x',)
sparse = False
implementation = None
542 else:
543 R = m.PolynomialRing_commutative(base_ring, name, sparse)
544 else:
545 R = m.PolynomialRing_general(base_ring, name, sparse)
546
547 if hasattr(R, '_implementation_names'):
548 for name in R._implementation_names:
549 real_key = key[0:3] + (name,)
550 _save_in_cache(real_key, R)
551 else:
552 _save_in_cache(key, R)
553 return R
554
555 def _multi_variate(base_ring, names, n, sparse, order, implementation):
556 # if not sparse:
/home/stumpc5/progs/sage/local/lib/python2.7/site-packages/sage/rings/polynomial/polynomial_ring.pyc
in __init__(self=Univariate Polynomial Ring in x over Integer Ring,
base_ring=Integer Ring, name=('x',), sparse=False, implementation=None,
element_class=<type
'sage.rings.polynomial.polynomial_integer_dense_flint.Polynomial_integer_dense_flint'>)
1438 if is_IntegerRing(base_ring) and not sparse:
1439 if implementation == 'NTL':
1440 from
sage.rings.polynomial.polynomial_integer_dense_ntl \
1441 import Polynomial_integer_dense_ntl
1442 element_class = Polynomial_integer_dense_ntl
1443 self._implementation_names = ('NTL',)
1444 self._implementation_repr = ' (using NTL)'
1445 elif implementation == 'FLINT' or implementation is
None:
1446 from
sage.rings.polynomial.polynomial_integer_dense_flint \
1447 import Polynomial_integer_dense_flint
1448 element_class = Polynomial_integer_dense_flint
1449 self._implementation_names = (None, 'FLINT')
1450 else:
1451 raise ValueError("Unknown implementation %s for
ZZ[x]"%implementation)
1452 PolynomialRing_commutative.__init__(self, base_ring, name=name,
-> 1453 sparse=sparse, element_class=element_class)
sparse = False
element_class = <type
'sage.rings.polynomial.polynomial_integer_dense_flint.Polynomial_integer_dense_flint'>
1454
1455 def _repr_(self):
1456 """
1457 TESTS::
1458
1459 sage: from sage.rings.polynomial.polynomial_ring import
PolynomialRing_integral_domain as PRing
1460 sage: R = PRing(ZZ, 'x', implementation='NTL'); R
1461 Univariate Polynomial Ring in x over Integer Ring (using
NTL)
1462 """
1463 s = PolynomialRing_commutative._repr_(self)
1464 return s + self._implementation_repr
1465
1466
1467 class PolynomialRing_field(PolynomialRing_integral_domain,
1468 PolynomialRing_singular_repr,
/home/stumpc5/progs/sage/local/lib/python2.7/site-packages/sage/rings/polynomial/polynomial_ring.pyc
in __init__(self=Univariate Polynomial Ring in x over Integer Ring,
base_ring=Integer Ring, name=('x',), sparse=False, element_class=<type
'sage.rings.polynomial.polynomial_integer_dense_flint.Polynomial_integer_dense_flint'>,
category=Join of Category of unique factorization domains...ategory of
commutative algebras over Integer Ring)
1358 if max_degree is not None and of_degree is None:
1359 return self._monics_max( max_degree )
1360 raise ValueError("you should pass exactly one of of_degree and
max_degree")
1361
1362 class PolynomialRing_commutative(PolynomialRing_general,
commutative_algebra.CommutativeAlgebra):
1363 """
1364 Univariate polynomial ring over a commutative ring.
1365 """
1366 def __init__(self, base_ring, name=None, sparse=False,
element_class=None, category=None):
1367 if base_ring not in _CommutativeRings:
1368 raise TypeError("Base ring %s must be a commutative
ring."%repr(base_ring))
1369 # We trust that, if a category is given, that it is useful.
1370 if category is None:
1371 category = polynomial_default_category(base_ring,False)
1372 PolynomialRing_general.__init__(self, base_ring, name=name,
-> 1373 sparse=sparse, element_class=element_class,
category=category)
sparse = False
element_class = <type
'sage.rings.polynomial.polynomial_integer_dense_flint.Polynomial_integer_dense_flint'>
category = Join of Category of unique factorization domains and
Category of commutative algebras over Integer Ring
1374
1375 def quotient_by_principal_ideal(self, f, names=None):
1376 """
1377 Return the quotient of this polynomial ring by the principal
1378 ideal (generated by) `f`.
1379
1380 INPUT:
1381
1382 - ``f`` - either a polynomial in ``self``, or a principal
1383 ideal of ``self``.
1384
1385 EXAMPLES::
1386
1387 sage: R.<x> = QQ[]
1388 sage: I = (x^2-1)*R
/home/stumpc5/progs/sage/local/lib/python2.7/site-packages/sage/rings/polynomial/polynomial_ring.pyc
in __init__(self=Univariate Polynomial Ring in x over Integer Ring,
base_ring=Integer Ring, name=('x',), sparse=False, element_class=<type
'sage.rings.polynomial.polynomial_integer_dense_flint.Polynomial_integer_dense_flint'>,
category=Join of Category of unique factorization domains...ategory of
commutative algebras over Integer Ring)
279 self._has_singular = False
280 # Algebra.__init__ also calls __init_extra__ of
Algebras(...).parent_class, which
281 # tries to provide a conversion from the base ring, if it does
not exist.
282 # This is for algebras that only do the generic stuff in their
initialisation.
283 # But the attribute _no_generic_basering_coercion prevents that
from happening,
284 # since we want to use PolynomialBaseringInjection.
285 sage.algebras.algebra.Algebra.__init__(self, base_ring,
names=name, normalize=True, category=category)
286 self.__generator = self._polynomial_class(self, [0,1],
is_gen=True)
287 self._populate_coercion_lists_(
288 #coerce_list = [base_inject],
289 #convert_list = [list, base_inject],
290 convert_method_name = '_polynomial_')
291 if is_PolynomialRing(base_ring):
292 self._Karatsuba_threshold = 0
293 else:
--> 294 from sage.matrix.matrix_space import is_MatrixSpace
global sage.matrix.matrix_space = undefined
is_MatrixSpace = undefined
295 if is_MatrixSpace(base_ring):
296 self._Karatsuba_threshold = 0
297 else:
298 self._Karatsuba_threshold = 8
299
300 def __reduce__(self):
301 import sage.rings.polynomial.polynomial_ring_constructor
302 return
(sage.rings.polynomial.polynomial_ring_constructor.PolynomialRing,
303 (self.base_ring(), self.variable_name(), None,
self.is_sparse()))
304
305
306 def _element_constructor_(self, x=None, check=True, is_gen = False,
construct=False, **kwds):
307 r"""
308 Convert ``x`` into this univariate polynomial ring,
309 possibly non-canonically.
/home/stumpc5/progs/sage/local/lib/python2.7/site-packages/sage/matrix/matrix_space.pyc
in <module>()
33 import matrix
34 import matrix_generic_dense
35 import matrix_generic_sparse
36
37 import matrix_modn_sparse
38
39 import matrix_mod2_dense
40 import matrix_mod2e_dense
41
42 import matrix_integer_dense
43 import matrix_integer_sparse
44
45 import matrix_rational_dense
46 import matrix_rational_sparse
47
---> 48 import matrix_mpolynomial_dense
global matrix_mpolynomial_dense = undefined
49
50 #import padics.matrix_padic_capped_relative_dense
51
52 ## import matrix_cyclo_dense
53 ## import matrix_cyclo_sparse
54
55
56 # Sage imports
57 import sage.structure.coerce
58 import sage.structure.parent_gens as parent_gens
59 from sage.structure.unique_representation import UniqueRepresentation
60 from sage.rings.all import ZZ
61 import sage.rings.ring as ring
62 import sage.rings.rational_field as rational_field
63 import sage.rings.integer_ring as integer_ring
ImportError: libntl.so.2: cannot open shared object file: No such file or
directory
***************************************************************************
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*** Last line of input (may not be in above history):
