I'm interested in this mathematical package, soI installed sage on my
machine (fedora-22-64bit) using
# dnf install sagemath
but after installation sage doesn't work.
Plus, I know little about python, though I've learnt it for a while.
Thank you for the help (if any).
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***************************************************************************
IPython post-mortem report
{'commit_hash': u'86d685f',
'commit_source': 'installation',
'default_encoding': 'UTF-8',
'ipython_path': '/usr/lib/python2.7/site-packages/IPython',
'ipython_version': '4.1.1',
'os_name': 'posix',
'platform': 'Linux-4.4.4-200.fc22.x86_64-x86_64-with-fedora-22-Twenty_Two',
'sys_executable': '/usr/bin/python',
'sys_platform': 'linux2',
'sys_version': '2.7.10 (default, Sep 24 2015, 17:50:09) \n[GCC 5.1.1 20150618
(Red Hat 5.1.1-4)]'}
***************************************************************************
***************************************************************************
Crash traceback:
---------------------------------------------------------------------------
---------------------------------------------------------------------------
ImportError Python 2.7.10: /usr/bin/python
Sun Mar 20 16:24:48 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/lib64/sagemath/local/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 0x7f165b287990>>
13 app.start()
<decorator-gen-111> 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 0x7f165b2790c8>
app = <sage.repl.interpreter.SageTerminalApp object at 0x7f165b287990>
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)
291
292 return super(TerminalIPythonApp, self).parse_command_line(argv)
293
294 @catch_config_error
295 def initialize(self, argv=None):
296 """Do actions after construct, but before starting the app."""
297 super(TerminalIPythonApp, self).initialize(argv)
298 if self.subapp is not None:
299 # don't bother initializing further, starting subapp
300 return
301 # print self.extra_args
302 if self.extra_args and not self.something_to_run:
303 self.file_to_run = self.extra_args[0]
304 self.init_path()
305 # create the shell
--> 306 self.init_shell()
self.init_shell = <bound method SageTerminalApp.init_shell of
<sage.repl.interpreter.SageTerminalApp object at 0x7f165b287990>>
307 # and draw the banner
308 self.init_banner()
309 # Now a variety of things that happen after the banner is
printed.
310 self.init_gui_pylab()
311 self.init_extensions()
312 self.init_code()
313
314 def init_shell(self):
315 """initialize the InteractiveShell instance"""
316 # Create an InteractiveShell instance.
317 # shell.display_banner should always be False for the terminal
318 # based app, because we call shell.show_banner() by hand below
319 # so the banner shows *before* all extension loading stuff.
320 self.shell = TerminalInteractiveShell.instance(parent=self,
321 display_banner=False,
profile_dir=self.profile_dir,
/usr/lib64/python2.7/site-packages/sage/repl/interpreter.pyc in
init_shell(self=<sage.repl.interpreter.SageTerminalApp object>)
599 # Shell initialization
600 self.shell = SageTerminalInteractiveShell.instance(
601 parent=self,
602 config=self.config,
603 display_banner=False,
604 profile_dir=self.profile_dir,
605 ipython_dir=self.ipython_dir)
606 self.shell.configurables.append(self)
607 self.shell.has_sage_extensions = SAGE_EXTENSION in
self.extensions
608
609 if self.shell.has_sage_extensions:
610 self.extensions.remove(SAGE_EXTENSION)
611
612 # load sage extension here to get a crash if
613 # something is wrong with the sage library
--> 614 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 0x7f165876fc90>>
global SAGE_EXTENSION = 'sage'
615
616
/usr/lib/python2.7/site-packages/IPython/core/extensions.pyc in
load_extension(self=<IPython.core.extensions.ExtensionManager object>,
module_str='sage')
71
72 Returns the string "already loaded" if the extension is already
loaded,
73 "no load function" if the module doesn't have a
load_ipython_extension
74 function, or None if it succeeded.
75 """
76 if module_str in self.loaded:
77 return "already loaded"
78
79 from IPython.utils.syspathcontext import prepended_to_syspath
80
81 with self.shell.builtin_trap:
82 if module_str not in sys.modules:
83 with prepended_to_syspath(self.ipython_extension_dir):
84 __import__(module_str)
85 mod = sys.modules[module_str]
---> 86 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 0x7f165876fc90>>
mod = <module 'sage' from
'/usr/lib64/python2.7/site-packages/sage/__init__.pyc'>
87 self.loaded.add(module_str)
88 else:
89 return "no load function"
90
91 def unload_extension(self, module_str):
92 """Unload an IPython extension by its module name.
93
94 This function looks up the extension's name in ``sys.modules``
and
95 simply calls ``mod.unload_ipython_extension(self)``.
96
97 Returns the string "no unload function" if the extension
doesn't define
98 a function to unload itself, "not loaded" if the extension
isn't loaded,
99 otherwise None.
100 """
101 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/lib64/python2.7/site-packages/sage/__init__.pyc'>)
118 """
119 from IPython.utils.syspathcontext import prepended_to_syspath
120
121 if (module_str in self.loaded) and (module_str in sys.modules):
122 self.unload_extension(module_str)
123 mod = sys.modules[module_str]
124 with prepended_to_syspath(self.ipython_extension_dir):
125 reload(mod)
126 if self._call_load_ipython_extension(mod):
127 self.loaded.add(module_str)
128 else:
129 self.load_extension(module_str)
130
131 def _call_load_ipython_extension(self, mod):
132 if hasattr(mod, 'load_ipython_extension'):
--> 133 mod.load_ipython_extension(self.shell)
mod.load_ipython_extension = <function load_ipython_extension at
0x7f165b27ee60>
self.shell = <sage.repl.interpreter.SageTerminalInteractiveShell object
at 0x7f165b294f90>
134 return True
135
136 def _call_unload_ipython_extension(self, mod):
137 if hasattr(mod, 'unload_ipython_extension'):
138 mod.unload_ipython_extension(self.shell)
139 return True
140
141 def install_extension(self, url, filename=None):
142 """Download and install an IPython extension.
143
144 If filename is given, the file will be so named (inside the
extension
145 directory). Otherwise, the name from the URL will be used. The
file must
146 have a .py or .zip extension; otherwise, a ValueError will be
raised.
147
148 Returns the full path to the installed file.
/usr/lib64/python2.7/site-packages/sage/repl/ipython_extension.pyc in
wrapper(*args=(<sage.repl.interpreter.SageTerminalInteractiveShell object>,),
**kwargs={})
416 ....: if work:
417 ....: return 'foo worked'
418 ....: raise RuntimeError("foo didn't work")
419 sage: foo(False)
420 Traceback (most recent call last):
421 ...
422 RuntimeError: foo didn't work
423 sage: foo(True)
424 'foo worked'
425 sage: foo(False)
426 sage: foo(True)
427 """
428 @wraps(func)
429 def wrapper(*args, **kwargs):
430 if not wrapper.has_run:
--> 431 result = func(*args, **kwargs)
result = undefined
global func = undefined
args = (<sage.repl.interpreter.SageTerminalInteractiveShell object at
0x7f165b294f90>,)
kwargs = {}
432 wrapper.has_run = True
433 return result
434 wrapper.has_run = False
435 return wrapper
436
437
438 @run_once
439 def load_ipython_extension(ip):
440 """
441 Load the extension in IPython.
442 """
443 # this modifies ip
444 SageCustomizations(shell=ip)
/usr/lib64/python2.7/site-packages/sage/repl/ipython_extension.pyc in
load_ipython_extension(ip=<sage.repl.interpreter.SageTerminalInteractiveShell
object>)
429 def wrapper(*args, **kwargs):
430 if not wrapper.has_run:
431 result = func(*args, **kwargs)
432 wrapper.has_run = True
433 return result
434 wrapper.has_run = False
435 return wrapper
436
437
438 @run_once
439 def load_ipython_extension(ip):
440 """
441 Load the extension in IPython.
442 """
443 # this modifies ip
--> 444 SageCustomizations(shell=ip)
global SageCustomizations = <class
'sage.repl.ipython_extension.SageCustomizations'>
global shell = undefined
ip = <sage.repl.interpreter.SageTerminalInteractiveShell object at
0x7f165b294f90>
/usr/lib64/python2.7/site-packages/sage/repl/ipython_extension.pyc in
__init__(self=<sage.repl.ipython_extension.SageCustomizations object>,
shell=<sage.repl.interpreter.SageTerminalInteractiveShell object>)
286
287
self.shell.display_formatter.formatters['text/plain'].set_display(
288 self._magic_display_status)
289
290 class SageCustomizations(object):
291
292 def __init__(self, shell=None):
293 """
294 Initialize the Sage plugin.
295 """
296 self.shell = shell
297
298 self.auto_magics = SageMagics(shell)
299 self.shell.register_magics(self.auto_magics)
300
--> 301 import sage.repl.display.formatter as formatter
sage.repl.display.formatter = undefined
formatter = undefined
302 self.shell.display_formatter.formatters['text/plain'] = (
303 formatter.SageConsoleTextFormatter(config=shell.config))
304
305 import sage.misc.edit_module as edit_module
306 self.shell.set_hook('editor', edit_module.edit_devel)
307
308 self.init_inspector()
309 self.init_line_transforms()
310
311 import inputhook
312 inputhook.install()
313
314 import sage.all # until sage's import hell is fixed
315
316 self.shell.verbose_quit = True
/usr/lib64/python2.7/site-packages/sage/repl/display/formatter.py in <module>()
48
49 This other facility uses a simple
50 :class:`~sage.misc.ascii_art.AsciiArt` object (see and
51 :meth:`sage.structure.sage_object.SageObject._ascii_art_`). """
52
53
#*****************************************************************************
54 # Copyright (C) 2014 Volker Braun <[email protected]>
55 #
56 # Distributed under the terms of the GNU General Public License (GPL)
57 # as published by the Free Software Foundation; either version 2 of
58 # the License, or (at your option) any later version.
59 # http://www.gnu.org/licenses/
60
#*****************************************************************************
61
62
---> 63 from IPython.core.formatters import PlainTextFormatter,
warn_format_error
global IPython.core.formatters = undefined
global PlainTextFormatter = None
global warn_format_error = undefined
64 from IPython.utils.py3compat import str_to_unicode, unicode_to_str
65
66 from sage.repl.display.pretty_print import (
67 SagePrettyPrinter, AsciiArtPrettyPrinter, TypesetPrettyPrinter
68 )
69
70
71 class SagePlainTextFormatter(PlainTextFormatter):
72
73 def __init__(self, *args, **kwds):
74 r"""
75 Improved plain text formatter.
76
77 In particular, it has the following two features:
78
ImportError: cannot import name warn_format_error
***************************************************************************
History of session input:
*** Last line of input (may not be in above history):
