def __call__(self, obj, p, cycle):
r"""
Format list/tuple.
INPUT:
- ``obj`` -- anything. Object to format.
- ``p`` -- PrettyPrinter instance.
- ``cycle`` -- boolean. Whether there is a cycle.
OUTPUT:
Boolean. Whether the representer is applicable to ``obj``. If
``True``, the string representation is appended to ``p``.
EXAMPLES::
sage: from sage.repl.display.fancy_repr import TallListRepr
sage: format_list = TallListRepr().format_string
sage: format_list([1, 2, identity_matrix(2)])
'[\n [1 0]\n1, 2, [0 1]\n]'
"""
if not (isinstance(obj, (tuple, list)) and len(obj) > 0):
return False
ascii_art_repr = False
for o in obj:
try:
ascii_art_repr = ascii_art_repr or o.parent()._repr_option(
'element_ascii_art')
except (AttributeError, TypeError):
pass
if not ascii_art_repr:
return False
output = format_list.try_format(obj)
if output is None:
return False
p.text(output)
return True
def __call__(self, obj, p, cycle):
r"""
Format list/tuple.
INPUT:
- ``obj`` -- anything. Object to format.
- ``p`` -- PrettyPrinter instance.
- ``cycle`` -- boolean. Whether there is a cycle.
OUTPUT:
Boolean. Whether the representer is applicable to ``obj``. If
``True``, the string representation is appended to ``p``.
EXAMPLES::
sage: from sage.repl.display.fancy_repr import TallListRepr
sage: format_list = TallListRepr().format_string
sage: format_list([1, 2, identity_matrix(2)])
'[\n [1 0]\n1, 2, [0 1]\n]'
"""
if not (isinstance(obj, (tuple, list)) and len(obj) > 0):
return False
ascii_art_repr = False
for o in obj:
try:
ascii_art_repr = ascii_art_repr or o.parent()._repr_option('element_ascii_art')
except (AttributeError, TypeError):
pass
if not ascii_art_repr:
return False
output = format_list.try_format(obj)
if output is None:
return False
p.text(output)
return True
def __call__(self, obj, p, cycle):
r"""
Format list/tuple.
INPUT:
- ``obj`` -- anything. Object to format.
- ``p`` -- PrettyPrinter instance.
- ``cycle`` -- boolean. Whether there is a cycle.
OUTPUT:
Boolean. Whether the representer is applicable to ``obj``. If
``True``, the string representation is appended to ``p``.
EXAMPLES::
sage: from sage.repl.display.fancy_repr import TallListRepr
sage: format_list = TallListRepr().format_string
sage: format_list([1, 2, identity_matrix(2)])
'[\n [1 0]\n1, 2, [0 1]\n]'
Check that :trac:`18743` is fixed::
sage: class Foo(object):
....: def __repr__(self):
....: return '''BBB AA RRR
....: B B A A R R
....: BBB AAAA RRR
....: B B A A R R
....: BBB A A R R'''
....: def _repr_option(self, key):
....: return key == 'ascii_art'
sage: F = Foo()
sage: [F, F]
[
BBB AA RRR BBB AA RRR
B B A A R R B B A A R R
BBB AAAA RRR BBB AAAA RRR
B B A A R R B B A A R R
BBB A A R R, BBB A A R R
]
"""
if not (isinstance(obj, (tuple, list)) and len(obj) > 0):
return False
ascii_art_repr = False
for o in obj:
try:
ascii_art_repr = ascii_art_repr or o._repr_option("ascii_art")
except (AttributeError, TypeError):
pass
try:
ascii_art_repr = ascii_art_repr or o.parent()._repr_option("element_ascii_art")
except (AttributeError, TypeError):
pass
if not ascii_art_repr:
return False
output = format_list.try_format(obj)
if output is None:
return False
p.text(output)
return True