sebastian bach wrote:
> I don't know how to fix this
>
> ***************************************************************************
>
> IPython post-mortem report
>
> {'commit_hash': u'<not found>',
> 'commit_source': '(none found)',
> 'default_encoding': 'UTF-8',
> 'ipython_path': '/usr/lib/python2.7/site-packages/IPython',
> 'ipython_version': '5.0.0',
> 'os_name': 'posix',
> 'platform': 'Linux-4.2.5-1-ARCH-i686-with-glibc2.0',
> 'sys_executable': '/usr/bin/python2',
> 'sys_platform': 'linux2',
> 'sys_version': '2.7.10 (default, Sep 7 2015, 13:41:51) \n[GCC 5.2.0]'}
>
> ***************************************************************************
>
>
>
> ***************************************************************************
>
> Crash traceback:
>
> ---------------------------------------------------------------------------
> ---------------------------------------------------------------------------
> ImportError Python 2.7.10: /usr/bin/python2
> Mon Aug 15 03:53:21 2016
> A problem occurred executing Python code. Here is the sequence of function
> calls leading up to the error, with the most recent (innermost) call last.
> /usr/bin/sage-ipython in <module>()
> 1 #!/usr/bin/env python2
> 2 # -*- coding: utf-8 -*-
> 3 """
> 4 Sage IPython startup script.
> 5 """
> 6
> 7 # Install extra readline commands before IPython initialization
> 8 from sage.repl.readline_extra_commands import *
> 9
> 10 from sage.repl.interpreter import SageTerminalApp
> 11
> 12 app = SageTerminalApp.instance()
> ---> 13 app.initialize()
> global app.initialize = <bound method SageTerminalApp.initialize
> of <sage.repl.interpreter.SageTerminalApp object at 0xb707da4c>>
> 14 app.start()
>
> <decorator-gen-109> in
> initialize(self=<sage.repl.interpreter.SageTerminalApp object>, argv=None)
>
> /usr/lib/python2.7/site-packages/traitlets/config/application.pyc in
> catch_config_error(method=<function initialize>,
> app=<sage.repl.interpreter.SageTerminalApp object>, *args=(None,),
> **kwargs={})
> 59
> 60
> #-----------------------------------------------------------------------------
> 61 # Application class
> 62
> #-----------------------------------------------------------------------------
> 63
> 64 @decorator
> 65 def catch_config_error(method, app, *args, **kwargs):
> 66 """Method decorator for catching invalid config
> (Trait/ArgumentErrors) during init.
> 67
> 68 On a TraitError (generally caused by bad config), this will
> print the trait's
> 69 message, and exit the app.
> 70
> 71 For use on init methods, to prevent invoking excepthook on
> invalid input.
> 72 """
> 73 try:
> ---> 74 return method(app, *args, **kwargs)
> method = <function initialize at 0xb62df6bc>
> app = <sage.repl.interpreter.SageTerminalApp object at 0xb707da4c>
> args = (None,)
> kwargs = {}
> 75 except (TraitError, ArgumentError) as e:
> 76 app.print_help()
> 77 app.log.fatal("Bad config encountered during
> initialization:")
> 78 app.log.fatal(str(e))
> 79 app.log.debug("Config at the time: %s", app.config)
> 80 app.exit(1)
> 81
> 82
> 83 class ApplicationError(Exception):
> 84 pass
> 85
> 86
> 87 class LevelFormatter(logging.Formatter):
> 88 """Formatter with additional `highlevel` record
> 89
>
> /usr/lib/python2.7/site-packages/IPython/terminal/ipapp.pyc in
> initialize(self=<sage.repl.interpreter.SageTerminalApp object>, argv=None)
> 294
> 295 return super(TerminalIPythonApp,
> self).parse_command_line(argv)
> 296
> 297 @catch_config_error
> 298 def initialize(self, argv=None):
> 299 """Do actions after construct, but before starting the
> app."""
> 300 super(TerminalIPythonApp, self).initialize(argv)
> 301 if self.subapp is not None:
> 302 # don't bother initializing further, starting subapp
> 303 return
> 304 # print self.extra_args
> 305 if self.extra_args and not self.something_to_run:
> 306 self.file_to_run = self.extra_args[0]
> 307 self.init_path()
> 308 # create the shell
> --> 309 self.init_shell()
> self.init_shell = <bound method SageTerminalApp.init_shell of
> <sage.repl.interpreter.SageTerminalApp object at 0xb707da4c>>
> 310 # and draw the banner
> 311 self.init_banner()
> 312 # Now a variety of things that happen after the banner
> is printed.
> 313 self.init_gui_pylab()
> 314 self.init_extensions()
> 315 self.init_code()
> 316
> 317 def init_shell(self):
> 318 """initialize the InteractiveShell instance"""
> 319 # Create an InteractiveShell instance.
> 320 # shell.display_banner should always be False for the
> terminal
> 321 # based app, because we call shell.show_banner() by hand
> below
> 322 # so the banner shows *before* all extension loading stuff.
> 323 self.shell = TerminalInteractiveShell.instance(parent=self,
> 324 profile_dir=self.profile_dir,
>
> /usr/lib/python2.7/site-packages/sage/repl/interpreter.pyc in
> init_shell(self=<sage.repl.interpreter.SageTerminalApp object>)
> 750 self.shell.has_sage_extensions = SAGE_EXTENSION in
> self.extensions
> 751
> 752 # Load the %lprun extension if available
> 753 try:
> 754 import line_profiler
> 755 except ImportError:
> 756 pass
> 757 else:
> 758 self.extensions.append('line_profiler')
> 759
> 760 if self.shell.has_sage_extensions:
> 761 self.extensions.remove(SAGE_EXTENSION)
> 762
> 763 # load sage extension here to get a crash if
> 764 # something is wrong with the sage library
> --> 765
> 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 0xb58893cc>>
> global SAGE_EXTENSION = 'sage'
> 766
> 767
>
> /usr/lib/python2.7/site-packages/IPython/core/extensions.pyc in
> load_extension(self=<IPython.core.extensions.ExtensionManager object>,
> module_str='sage')
> 70
> 71 Returns the string "already loaded" if the extension is
> already loaded,
> 72 "no load function" if the module doesn't have a
> load_ipython_extension
> 73 function, or None if it succeeded.
> 74 """
> 75 if module_str in self.loaded:
> 76 return "already loaded"
> 77
> 78 from IPython.utils.syspathcontext import
> prepended_to_syspath
> 79
> 80 with self.shell.builtin_trap:
> 81 if module_str not in sys.modules:
> 82 with
> prepended_to_syspath(self.ipython_extension_dir):
> 83 __import__(module_str)
> 84 mod = sys.modules[module_str]
> ---> 85 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 0xb58893cc>>
> mod = <module 'sage' from
> '/usr/lib/python2.7/site-packages/sage/__init__.pyc'>
> 86 self.loaded.add(module_str)
> 87 else:
> 88 return "no load function"
> 89
> 90 def unload_extension(self, module_str):
> 91 """Unload an IPython extension by its module name.
> 92
> 93 This function looks up the extension's name in
> ``sys.modules`` and
> 94 simply calls ``mod.unload_ipython_extension(self)``.
> 95
> 96 Returns the string "no unload function" if the extension
> doesn't define
> 97 a function to unload itself, "not loaded" if the
> extension isn't loaded,
> 98 otherwise None.
> 99 """
> 100 if module_str not in self.loaded:
>
> /usr/lib/python2.7/site-packages/IPython/core/extensions.pyc in
> _call_load_ipython_extension(self=<IPython.core.extensions.ExtensionManager
> object>, mod=<module 'sage' from
> '/usr/lib/python2.7/site-packages/sage/__init__.pyc'>)
> 117 """
> 118 from IPython.utils.syspathcontext import
> prepended_to_syspath
> 119
> 120 if (module_str in self.loaded) and (module_str in
> sys.modules):
> 121 self.unload_extension(module_str)
> 122 mod = sys.modules[module_str]
> 123 with prepended_to_syspath(self.ipython_extension_dir):
> 124 reload(mod)
> 125 if self._call_load_ipython_extension(mod):
> 126 self.loaded.add(module_str)
> 127 else:
> 128 self.load_extension(module_str)
> 129
> 130 def _call_load_ipython_extension(self, mod):
> 131 if hasattr(mod, 'load_ipython_extension'):
> --> 132 mod.load_ipython_extension(self.shell)
> mod.load_ipython_extension = <function load_ipython_extension at
> 0xb7275fb4>
> self.shell = <sage.repl.interpreter.SageTerminalInteractiveShell
> object at 0xb62e7c4c>
> 133 return True
> 134
> 135 def _call_unload_ipython_extension(self, mod):
> 136 if hasattr(mod, 'unload_ipython_extension'):
> 137 mod.unload_ipython_extension(self.shell)
> 138 return True
> 139
> 140 def install_extension(self, url, filename=None):
> 141 """Download and install an IPython extension.
> 142
> 143 If filename is given, the file will be so named (inside
> the extension
> 144 directory). Otherwise, the name from the URL will be
> used. The file must
> 145 have a .py or .zip extension; otherwise, a ValueError
> will be raised.
> 146
> 147 Returns the full path to the installed file.
>
> /usr/lib/python2.7/site-packages/sage/__init__.pyc in
> load_ipython_extension(*args=(<sage.repl.interpreter.SageTerminalInteractiveShell
> object>,))
> 1 __all__ = ['all']
> 2
> 3 # IPython calls this when starting up
> 4 def load_ipython_extension(*args):
> 5 import sage.repl.ipython_extension
> ----> 6 sage.repl.ipython_extension.load_ipython_extension(*args)
> sage.repl.ipython_extension.load_ipython_extension = <function
> load_ipython_extension at 0xb57a9ca4>
> args = (<sage.repl.interpreter.SageTerminalInteractiveShell
> object at 0xb62e7c4c>,)
>
> /usr/lib/python2.7/site-packages/sage/repl/ipython_extension.pyc in
> wrapper(*args=(<sage.repl.interpreter.SageTerminalInteractiveShell
> object>,), **kwargs={})
> 459 ....: if work:
> 460 ....: return 'foo worked'
> 461 ....: raise RuntimeError("foo didn't work")
> 462 sage: foo(False)
> 463 Traceback (most recent call last):
> 464 ...
> 465 RuntimeError: foo didn't work
> 466 sage: foo(True)
> 467 'foo worked'
> 468 sage: foo(False)
> 469 sage: foo(True)
> 470 """
> 471 @wraps(func)
> 472 def wrapper(*args, **kwargs):
> 473 if not wrapper.has_run:
> --> 474 result = func(*args, **kwargs)
> result = undefined
> global func = undefined
> args = (<sage.repl.interpreter.SageTerminalInteractiveShell
> object at 0xb62e7c4c>,)
> kwargs = {}
> 475 wrapper.has_run = True
> 476 return result
> 477 wrapper.has_run = False
> 478 return wrapper
> 479
> 480
> 481 @run_once
> 482 def load_ipython_extension(ip):
> 483 """
> 484 Load the extension in IPython.
> 485 """
> 486 # this modifies ip
> 487 SageCustomizations(shell=ip)
>
> /usr/lib/python2.7/site-packages/sage/repl/ipython_extension.pyc in
> load_ipython_extension(ip=<sage.repl.interpreter.SageTerminalInteractiveShell
> object>)
> 472 def wrapper(*args, **kwargs):
> 473 if not wrapper.has_run:
> 474 result = func(*args, **kwargs)
> 475 wrapper.has_run = True
> 476 return result
> 477 wrapper.has_run = False
> 478 return wrapper
> 479
> 480
> 481 @run_once
> 482 def load_ipython_extension(ip):
> 483 """
> 484 Load the extension in IPython.
> 485 """
> 486 # this modifies ip
> --> 487 SageCustomizations(shell=ip)
> global SageCustomizations = <class
> 'sage.repl.ipython_extension.SageCustomizations'>
> global shell = undefined
> ip = <sage.repl.interpreter.SageTerminalInteractiveShell object
> at 0xb62e7c4c>
>
> /usr/lib/python2.7/site-packages/sage/repl/ipython_extension.pyc in
> __init__(self=<sage.repl.ipython_extension.SageCustomizations object>,
> shell=<sage.repl.interpreter.SageTerminalInteractiveShell object>)
> 362 def __init__(self, shell=None):
> 363 """
> 364 Initialize the Sage plugin.
> 365 """
> 366 self.shell = shell
> 367
> 368 self.auto_magics = SageMagics(shell)
> 369 self.shell.register_magics(self.auto_magics)
> 370
> 371 import sage.misc.edit_module as edit_module
> 372 self.shell.set_hook('editor', edit_module.edit_devel)
> 373
> 374 self.init_inspector()
> 375 self.init_line_transforms()
> 376
> --> 377 import sage.all # until sage's import hell is fixed
> sage.all = undefined
> 378
> 379 self.shell.verbose_quit = True
> 380 self.set_quit_hook()
> 381
> 382 self.register_interface_magics()
> 383
> 384 if SAGE_IMPORTALL == 'yes':
> 385 self.init_environment()
> 386
> 387 def register_interface_magics(self):
> 388 """
> 389 Register magics for each of the Sage interfaces
> 390 """
> 391 from sage.repl.interface_magic import InterfaceMagic
> 392 InterfaceMagic.register_all(self.shell)
>
> /usr/lib/python2.7/site-packages/sage/all.py in <module>()
> 77
> 78 # Add SAGE_SRC at the end of sys.path to enable Cython tracebacks
> 79 # (which use paths relative to SAGE_SRC)
> 80 sys.path.append(SAGE_SRC)
> 81
> 82
> 83 ###################################################################
> 84
> 85 # This import also setups the interrupt handler
> 86 from cysignals.signals import (AlarmInterrupt, SignalError,
> 87 sig_on_reset as sig_on_count)
> 88
> 89 from time import sleep
> 90
> 91 import sage.misc.lazy_import
> ---> 92 from sage.misc.all import * # takes a while
> global sage.misc.all = undefined
> 93 from sage.typeset.all import *
> 94 from sage.repl.all import *
> 95
> 96 from sage.misc.sh import sh
> 97
> 98 from sage.libs.all import *
> 99 from sage.data_structures.all import *
> 100 from sage.doctest.all import *
> 101
> 102 from sage.structure.all import *
> 103 from sage.rings.all import *
> 104 from sage.arith.all import *
> 105 from sage.matrix.all import *
> 106
> 107 # This must come before Calculus -- it initializes the Pynac
> library.
>
> /usr/lib/python2.7/site-packages/sage/misc/all.py in <module>()
> 72 series_precision, set_series_precision)
> 73
> 74 from .sage_eval import sage_eval, sageobj
> 75
> 76 from .sage_input import sage_input
> 77
> 78 lazy_import("sage.misc.cython", ["cython_lambda",
> "cython_create_local_so"])
> 79 lazy_import("sage.misc.cython_c", "cython_compile", "cython")
> 80 lazy_import("sage.misc.cython_c", "cython_compile", "pyrex",
> deprecation=9552)
> 81 lazy_import("sage.misc.cython_c", "cython_compile", "sagex",
> deprecation=9552)
> 82
> 83 from .persist import save, load, dumps, loads, db, db_save
> 84
> 85 from .func_persist import func_persist
> 86
> ---> 87 from .functional import (additive_order,
> global functional = undefined
> global additive_order = undefined
> global base_ring = undefined
> global base_field = undefined
> global basis = undefined
> global category = undefined
> global charpoly = undefined
> global characteristic_polynomial = undefined
> global coerce = undefined
> global cyclotomic_polynomial = undefined
> global decomposition = undefined
> global denominator = undefined
> global det = undefined
> global dimension = undefined
> global dim = undefined
> global discriminant = undefined
> global disc = undefined
> global eta = undefined
> global fcp = undefined
> global gen = undefined
> global gens = undefined
> global hecke_operator = undefined
> global image = undefined
> global integral = undefined
> global integrate = undefined
> global integral_closure = undefined
> global interval = undefined
> global xinterval = undefined
> global is_commutative = undefined
> global is_even = undefined
> global is_integrally_closed = undefined
> global is_field = undefined
> global is_odd = undefined
> global kernel = undefined
> global krull_dimension = undefined
> global lift = undefined
> global log = undefined
> global log_b = undefined
> global minimal_polynomial = undefined
> global minpoly = undefined
> global multiplicative_order = undefined
> global ngens = undefined
> global norm = undefined
> global numerator = undefined
> global numerical_approx = undefined
> global n = undefined
> global N = undefined
> global objgens = undefined
> global objgen = undefined
> global one = undefined
> global order = undefined
> global rank = undefined
> global regulator = undefined
> global round = undefined
> global quotient = undefined
> global quo = undefined
> global isqrt = undefined
> global squarefree_part = undefined
> global symbolic_sum = undefined
> global sum = undefined
> global transpose = undefined
> global zero = undefined
> 88 base_ring,
> 89 base_field,
> 90 basis,
> 91 category,
> 92 charpoly,
> 93 characteristic_polynomial,
> 94 coerce,
> 95 cyclotomic_polynomial,
> 96 decomposition,
> 97 denominator,
> 98 det,
> 99 dimension,
> 100 dim,
> 101 discriminant,
> 102 disc,
>
> /usr/lib/python2.7/site-packages/sage/misc/functional.py in <module>()
> 16 # Copyright (C) 2004 William Stein <wst...@gmail.com>
> 17 #
> 18 # This program is free software: you can redistribute it and/or
> modify
> 19 # it under the terms of the GNU General Public License as
> published by
> 20 # the Free Software Foundation, either version 2 of the License, or
> 21 # (at your option) any later version.
> 22 # http://www.gnu.org/licenses/
> 23
> #*****************************************************************************
> 24 from __future__ import absolute_import
> 25
> 26 import sage.misc.latex
> 27 import sage.interfaces.expect
> 28 import sage.interfaces.mathematica
> 29
> 30
> ---> 31 from sage.rings.complex_double import CDF
> global sage.rings.complex_double = undefined
> global CDF = undefined
> 32 from sage.rings.real_double import RDF, RealDoubleElement
> 33
> 34 import sage.rings.real_mpfr
> 35 import sage.rings.complex_field
> 36 import sage.rings.integer
> 37
> 38 from six.moves import builtins
> 39
> 40 LOG_TEN_TWO_PLUS_EPSILON = 3.321928094887363 # a small
> overestimate of log(10,2)
> 41
> 42
> ##############################################################################
> 43 # There are many functions on elements of a ring, which
> mathematicians
> 44 # usually write f(x), e.g., it is weird to write x.log() and natural
> 45 # to write log(x). The functions below allow for the more
> familiar syntax.
> 46
> ##############################################################################
>
> ImportError: libgsl.so.19: cannot open shared object file: No such file
> or directory
>
> ***************************************************************************
Well, that's Arch Linux, don't know what they do to Sage.
So where is it located?
Normally, it's in $SAGE_LOCAL/lib/, and a symlink to libgsl.so.19.0.0
(in the same folder).
-leif
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