def __init__(self,
name,
conversions=None,
latex=None,
mathml="",
domain='complex'):
"""
EXAMPLES::
sage: from sage.symbolic.constants import Constant
sage: p = Constant('p')
sage: loads(dumps(p))
p
"""
self._conversions = conversions if conversions is not None else {}
self._latex = latex if latex is not None else name
self._mathml = mathml
self._name = name
self._domain = domain
for system, value in self._conversions.items():
setattr(self, "_%s_" % system,
partial(self._generic_interface, value))
setattr(self, "_%s_init_" % system,
partial(self._generic_interface_init, value))
from sage.symbolic.constants_c import PynacConstant
self._pynac = PynacConstant(self._name, self._latex, self._domain)
self._serial = self._pynac.serial()
constants_table[self._serial] = self
constants_name_table[self._name] = self
from sage.symbolic.pynac import register_symbol
register_symbol(self.expression(), self._conversions)
