def __init__(self):
"""
Create an instance of the Maxima interpreter.
See ``MaximaLib`` for full documentation.
TESTS::
sage: from sage.interfaces.maxima_lib import MaximaLib, maxima_lib
sage: MaximaLib == loads(dumps(MaximaLib))
True
sage: maxima_lib == loads(dumps(maxima_lib))
True
We make sure labels are turned off (see :trac:`6816`)::
sage: 'nolabels : true' in maxima_lib._MaximaLib__init_code
True
"""
global maxima_lib_instances
if maxima_lib_instances > 0:
raise RuntimeError("Maxima interface in library mode can only be instantiated once")
maxima_lib_instances += 1
global init_code
self.__init_code = init_code
MaximaAbstract.__init__(self,"maxima_lib")
self.__seq = 0
def _coerce_from_special_method(self, x):
r"""
Coerce ``x`` into self trying to call a special underscore method.
INPUT:
- ``x`` - object to coerce into self
OUTPUT: Maxima element equivalent to ``x``
EXAMPLES::
sage: from sage.interfaces.maxima_lib import maxima_lib
sage: xmax = maxima_lib._coerce_from_special_method(x)
sage: type(xmax)
<class 'sage.interfaces.maxima_lib.MaximaLibElement'>
"""
if isinstance(x, EclObject):
return MaximaLibElement(self,self._create(x))
else:
return MaximaAbstract._coerce_from_special_method(self,x)
def __init__(self, script_subdirectory=None, logfile=None, server=None,
init_code = None):
"""
Create an instance of the Maxima interpreter.
TESTS::
sage: Maxima == loads(dumps(Maxima))
True
sage: maxima == loads(dumps(maxima))
True
Unpickling a Maxima Pexpect interface gives the default interface::
sage: m = Maxima()
sage: maxima == loads(dumps(m))
True
We make sure labels are turned off (see trac 6816)::
sage: 'nolabels : true' in maxima._Expect__init_code
True
"""
# TODO: Input and output prompts in maxima can be changed by
# setting inchar and outchar..
eval_using_file_cutoff = 256
self.__eval_using_file_cutoff = eval_using_file_cutoff
STARTUP = os.path.join(SAGE_LOCAL,'bin','sage-maxima.lisp')
# We set maxima's configuration directory to $DOT_SAGE/maxima
# This avoids that sage's maxima inadvertently loads
# ~/.maxima/maxima-init.mac
# If you absolutely want maxima instances that are started by
# this interface to preload commands, put them in
# $DOT_SAGE/maxima/maxima-init.mac
# (we use the "--userdir" option in maxima for this)
SAGE_MAXIMA_DIR = os.path.join(DOT_SAGE,"maxima")
if not os.path.exists(STARTUP):
raise RuntimeError, 'You must get the file local/bin/sage-maxima.lisp'
#self.__init_code = init_code
if init_code is None:
# display2d -- no ascii art output
# keepfloat -- don't automatically convert floats to rationals
init_code = ['display2d : false', 'keepfloat : true']
# Turn off the prompt labels, since computing them *very
# dramatically* slows down the maxima interpret after a while.
# See the function makelabel in suprv1.lisp.
# Many thanks to [email protected] and also
# Robert Dodier for figuring this out!
# See trac # 6818.
init_code.append('nolabels : true')
MaximaAbstract.__init__(self,"maxima")
Expect.__init__(self,
name = 'maxima',
prompt = '\(\%i[0-9]+\)',
command = 'maxima --userdir="%s" -p "%s"'%(SAGE_MAXIMA_DIR,STARTUP),
maxread = 10000,
script_subdirectory = script_subdirectory,
restart_on_ctrlc = False,
verbose_start = False,
init_code = init_code,
logfile = logfile,
eval_using_file_cutoff=eval_using_file_cutoff)
self._display_prompt = '<sage-display>' # must match what is in the file local/bin/sage-maxima.lisp!!
self._output_prompt_re = re.compile('\(\%o[0-9]+\)')
self._ask = ['zero or nonzero?', 'an integer?', 'positive, negative, or zero?',
'positive or negative?', 'positive or zero?']
self._prompt_wait = [self._prompt] + [re.compile(x) for x in self._ask] + \
['Break [0-9]+'] #note that you might need to change _expect_expr if you
#change this
self._error_re = re.compile('(Principal Value|debugmode|incorrect syntax|Maxima encountered a Lisp error)')
self._display2d = False
def __init__(self, script_subdirectory=None, logfile=None, server=None,
init_code=None):
"""
Create an instance of the Maxima interpreter.
TESTS::
sage: Maxima == loads(dumps(Maxima))
True
sage: maxima == loads(dumps(maxima))
True
Unpickling a Maxima Pexpect interface gives the default interface::
sage: m = Maxima()
sage: maxima == loads(dumps(m))
True
We make sure labels are turned off (see :trac:`6816`)::
sage: 'nolabels : true' in maxima._Expect__init_code
True
"""
# TODO: Input and output prompts in maxima can be changed by
# setting inchar and outchar..
eval_using_file_cutoff = 256
self.__eval_using_file_cutoff = eval_using_file_cutoff
STARTUP = os.path.join(SAGE_LOCAL,'bin','sage-maxima.lisp')
# We set maxima's configuration directory to $DOT_SAGE/maxima
# This avoids that sage's maxima inadvertently loads
# ~/.maxima/maxima-init.mac
# If you absolutely want maxima instances that are started by
# this interface to preload commands, put them in
# $DOT_SAGE/maxima/maxima-init.mac
# (we use the "--userdir" option in maxima for this)
SAGE_MAXIMA_DIR = os.path.join(DOT_SAGE,"maxima")
if not os.path.exists(STARTUP):
raise RuntimeError('You must get the file local/bin/sage-maxima.lisp')
#self.__init_code = init_code
if init_code is None:
# display2d -- no ascii art output
# keepfloat -- don't automatically convert floats to rationals
init_code = ['display2d : false', 'keepfloat : true']
# Turn off the prompt labels, since computing them *very
# dramatically* slows down the maxima interpret after a while.
# See the function makelabel in suprv1.lisp.
# Many thanks to [email protected] and also
# Robert Dodier for figuring this out!
# See trac # 6818.
init_code.append('nolabels : true')
MaximaAbstract.__init__(self,"maxima")
Expect.__init__(self,
name = 'maxima',
prompt = '\(\%i[0-9]+\) ',
command = 'maxima --userdir="%s" -p "%s"'%(SAGE_MAXIMA_DIR,STARTUP),
maxread = 10000,
script_subdirectory = script_subdirectory,
restart_on_ctrlc = False,
verbose_start = False,
init_code = init_code,
logfile = logfile,
eval_using_file_cutoff=eval_using_file_cutoff)
# Must match what is in the file local/bin/sage-maxima.lisp
self._display_prompt = '<sage-display>'
# See #15440 for the importance of the trailing space
self._output_prompt_re = re.compile('\(\%o[0-9]+\) ')
self._ask = ['zero or nonzero\\?', 'an integer\\?',
'positive, negative or zero\\?', 'positive or negative\\?',
'positive or zero\\?', 'equal to .*\\?']
self._prompt_wait = [self._prompt] + [re.compile(x) for x in self._ask] + \
['Break [0-9]+'] #note that you might need to change _expect_expr if you
#change this
self._error_re = re.compile('(Principal Value|debugmode|incorrect syntax|Maxima encountered a Lisp error)')
self._display2d = False