def test__pretty(self):
res = pretty(self.signal1)
targ = ("IrregularlySampledSignal\n" +
"name: '%s'\ndescription: '%s'\nannotations: %s" %
(self.signal1.name, self.signal1.description,
pretty(self.signal1.annotations)))
self.assertEqual(res, targ)
def varinfo(var):
"""Pretty print information about a variable."""
import numpy
from IPython import get_ipython
from IPython.lib.pretty import pretty
from highlighter import highlight
ip = get_ipython()
if ip:
print(ip.inspector._get_info(var)['text/plain'])
try:
s = pretty(var, max_seq_length=20)
except TypeError:
s = pretty(var)
lines = s.splitlines()
if len(lines) > 20:
s = '\n'.join(lines[:10] + ['...'] + lines[-10:])
print(highlight(s).strip())
print(type(var))
if isinstance(var, numpy.ndarray):
print(var.shape, var.dtype)
print('min = {} max = {}'.format(
numpy.nanmin(var), numpy.nanmax(var)))
print('mean = {} std = {}'.format(
numpy.nanmean(var), numpy.nanstd(var)))
elif isinstance(var, (dict, list, tuple, set)):
print('n = %d' % len(var))
def test_super_repr():
output = pretty.pretty(super(SA))
nt.assert_in("SA", output)
sb = SB()
output = pretty.pretty(super(SA, sb))
nt.assert_in("SA", output)
def test__pretty(self):
res = pretty(self.blk1)
ann = get_annotations()
ann['seed'] = self.seed1
ann = pretty(ann).replace('\n ', '\n ')
seg0 = pretty(self.segs1[0])
seg1 = pretty(self.segs1[1])
seg0 = seg0.replace('\n', '\n ')
seg1 = seg1.replace('\n', '\n ')
targ = ("Block with " +
("%s segments, %s recordingchannelgroups\n" %
(len(self.segs1), len(self.rcgs1))) +
("name: '%s'\ndescription: '%s'\n" % (self.blk1.name,
self.blk1.description)) +
("annotations: %s\n" % ann) +
("file_origin: '%s'\n" % self.blk1.file_origin) +
("file_datetime: %s\n" % repr(self.blk1.file_datetime)) +
("rec_datetime: %s\n" % repr(self.blk1.rec_datetime)) +
("index: %s\n" % self.blk1.index) +
("# segments (N=%s)\n" % len(self.segs1)) +
('%s: %s\n' % (0, seg0)) +
('%s: %s' % (1, seg1)))
self.assertEqual(res, targ)
def test_super_repr():
# "<super: module_name.SA, None>"
output = pretty.pretty(super(SA))
nt.assert_regexp_matches(output, r"<super: \S+.SA, None>")
# "<super: module_name.SA, <module_name.SB at 0x...>>"
sb = SB()
output = pretty.pretty(super(SA, sb))
nt.assert_regexp_matches(output, r"<super: \S+.SA,\s+<\S+.SB at 0x\S+>>")
def test_super_repr(self):
# "<super: module_name.SA, None>"
output = pretty.pretty(super(SA))
self.assertRegex(output, r"<super: \S+.SA, None>")
# "<super: module_name.SA, <module_name.SB at 0x...>>"
sb = SB()
output = pretty.pretty(super(SA, sb))
self.assertRegex(output, r"<super: \S+.SA,\s+<\S+.SB at 0x\S+>>")
def test__pretty(self):
evt = Event([1.1, 1.5, 1.7] * pq.ms,
labels=np.array(['test event 1', 'test event 2', 'test event 3'], dtype='S'),
name='test', description='tester', file_origin='test.file')
evt.annotate(test1=1.1, test0=[1, 2])
assert_neo_object_is_compliant(evt)
prepr = pretty(evt)
targ = ("Event\nname: '%s'\ndescription: '%s'\nannotations: %s"
"" % (evt.name, evt.description, pretty(evt.annotations)))
self.assertEqual(prepr, targ)
def test__pretty(self):
epc = Epoch([1.1, 1.5, 1.7] * pq.ms, durations=[20, 40, 60] * pq.ns,
labels=np.array(['test epoch 1', 'test epoch 2', 'test epoch 3'], dtype='S'),
name='test', description='tester', file_origin='test.file')
epc.annotate(test1=1.1, test0=[1, 2])
assert_neo_object_is_compliant(epc)
prepr = pretty(epc)
targ = ("Epoch\nname: '%s'\ndescription: '%s'\nannotations: %s"
"" % (epc.name, epc.description, pretty(epc.annotations)))
self.assertEqual(prepr, targ)
def test__pretty(self):
epc = Epoch(1.5*pq.ms, duration=20*pq.ns,
label='test epoch', name='test', description='tester',
file_origin='test.file')
epc.annotate(targ1=1.1, targ0=[1])
assert_neo_object_is_compliant(epc)
prepr = pretty(epc)
targ = ("Epoch\nname: '%s'\ndescription: '%s'\nannotations: %s" %
(epc.name, epc.description, pretty(epc.annotations)))
self.assertEqual(prepr, targ)
def test__pretty(self):
evt = Event(1.5 * pq.ms, label="test epoch", name="test", description="tester", file_origin="test.file")
evt.annotate(targ1=1.1, targ0=[1])
assert_neo_object_is_compliant(evt)
prepr = pretty(evt)
targ = "Event\nname: '%s'\ndescription: '%s'\nannotations: %s" % (
evt.name,
evt.description,
pretty(evt.annotations),
)
self.assertEqual(prepr, targ)
def test_unicode_repr():
u = u"üniçodé"
ustr = u
class C(object):
def __repr__(self):
return ustr
c = C()
p = pretty.pretty(c)
nt.assert_equal(p, u)
p = pretty.pretty([c])
nt.assert_equal(p, u'[%s]' % u)
def test_function_pretty():
"Test pretty print of function"
# posixpath is a pure python module, its interface is consistent
# across Python distributions
import posixpath
nt.assert_equal(pretty.pretty(posixpath.join), '<function posixpath.join(a, *p)>')
# custom function
def meaning_of_life(question=None):
if question:
return 42
return "Don't panic"
nt.assert_in('meaning_of_life(question=None)', pretty.pretty(meaning_of_life))
def test__pretty(self):
ann = get_annotations()
ann['seed'] = self.seed1
ann = pretty(ann).replace('\n ', '\n ')
res = pretty(self.rchan1)
targ = ("RecordingChannel with " +
("%s analogsignals, %s irregularlysampledsignals\n" %
(len(self.sigs1), len(self.irsigs1))) +
("name: '%s'\ndescription: '%s'\n" % (self.rchan1.name,
self.rchan1.description)
) +
("annotations: %s" % ann))
self.assertEqual(res, targ)
def test__pretty(self):
res = pretty(self.unit1)
ann = get_annotations()
ann['seed'] = self.seed1
ann = pretty(ann).replace('\n ', '\n ')
targ = ("Unit with " +
("%s spikes, %s spiketrains\n" %
(len(self.spikes1a), len(self.trains1a))) +
("name: '%s'\ndescription: '%s'\n" % (self.unit1.name,
self.unit1.description)
) +
("annotations: %s" % ann))
self.assertEqual(res, targ)
def test__pretty(self):
name = 'an object'
description = 'this is a test'
obj = BaseNeo(name=name, description=description)
res = pretty(obj)
targ = "BaseNeo name: '%s' description: '%s'" % (name, description)
self.assertEqual(res, targ)
def __repr__(self):
bnds = [
"edges",
"nodes",
"source",
"destination",
"node",
"edge_title",
"edge_label",
"edge_color",
"edge_weight",
"point_title",
"point_label",
"point_color",
"point_size",
]
stgs = ["height", "url_params"]
rep = {
"bindings": dict([(f, getattr(self, "_" + f)) for f in bnds]),
"settings": dict([(f, getattr(self, "_" + f)) for f in stgs]),
}
if util.in_ipython():
from IPython.lib.pretty import pretty
return pretty(rep)
else:
return str(rep)
def test_collections_deque():
# Create deque with cycle
a = deque()
a.append(a)
cases = [
(deque(), 'deque([])'),
(deque(i for i in range(1000, 1020)),
'deque([1000,\n'
' 1001,\n'
' 1002,\n'
' 1003,\n'
' 1004,\n'
' 1005,\n'
' 1006,\n'
' 1007,\n'
' 1008,\n'
' 1009,\n'
' 1010,\n'
' 1011,\n'
' 1012,\n'
' 1013,\n'
' 1014,\n'
' 1015,\n'
' 1016,\n'
' 1017,\n'
' 1018,\n'
' 1019])'),
(a, 'deque([deque(...)])'),
]
for obj, expected in cases:
nt.assert_equal(pretty.pretty(obj), expected)
def test_pprint_break_repr():
"""
Test that p.break_ is used in repr
"""
output = pretty.pretty(BreakingReprParent())
expected = "TG: Breaking(\n ):"
nt.assert_equal(output, expected)
def test_collections_counter():
cases = [
(Counter(), 'Counter()'),
(Counter(a=1), "Counter({'a': 1})"),
]
for obj, expected in cases:
nt.assert_equal(pretty.pretty(obj), expected)
def test_pprint_break():
"""
Test that p.break_ produces expected output
"""
output = pretty.pretty(Breaking())
expected = "TG: Breaking(\n ):"
nt.assert_equal(output, expected)
def test__pretty(self):
res = pretty(self.rcg1)
ann = get_annotations()
ann['seed'] = self.seed1
ann = pretty(ann).replace('\n ', '\n ')
targ = ("RecordingChannelGroup with " +
("%s units, %s analogsignalarrays, %s recordingchannels\n" %
(len(self.units1a),
len(self.sigarrs1a),
len(self.rchans1a))) +
("name: '%s'\ndescription: '%s'\n" % (self.rcg1.name,
self.rcg1.description)
) +
("annotations: %s" % ann))
self.assertEqual(res, targ)
def test_indentation():
"""Test correct indentation in groups"""
count = 40
gotoutput = pretty.pretty(MyList(range(count)))
expectedoutput = "MyList(\n" + ",\n".join(" %d" % i for i in range(count)) + ")"
nt.assert_equals(gotoutput, expectedoutput)
def test_pprint_heap_allocated_type():
"""
Test that pprint works for heap allocated types.
"""
import xxlimited
output = pretty.pretty(xxlimited.Null)
nt.assert_equal(output, 'xxlimited.Null')
def test_dictproxy():
# This is the dictproxy constructor itself from the Python API,
DP = ctypes.pythonapi.PyDictProxy_New
DP.argtypes, DP.restype = (ctypes.py_object,), ctypes.py_object
underlying_dict = {}
mp_recursive = DP(underlying_dict)
underlying_dict[0] = mp_recursive
underlying_dict[-3] = underlying_dict
cases = [
(DP({}), "dict_proxy({})"),
(DP({None: DP({})}), "dict_proxy({None: dict_proxy({})})"),
(DP({k: k.lower() for k in string.ascii_uppercase}),
"dict_proxy({'A': 'a',\n"
" 'B': 'b',\n"
" 'C': 'c',\n"
" 'D': 'd',\n"
" 'E': 'e',\n"
" 'F': 'f',\n"
" 'G': 'g',\n"
" 'H': 'h',\n"
" 'I': 'i',\n"
" 'J': 'j',\n"
" 'K': 'k',\n"
" 'L': 'l',\n"
" 'M': 'm',\n"
" 'N': 'n',\n"
" 'O': 'o',\n"
" 'P': 'p',\n"
" 'Q': 'q',\n"
" 'R': 'r',\n"
" 'S': 's',\n"
" 'T': 't',\n"
" 'U': 'u',\n"
" 'V': 'v',\n"
" 'W': 'w',\n"
" 'X': 'x',\n"
" 'Y': 'y',\n"
" 'Z': 'z'})"),
(mp_recursive, "dict_proxy({-3: {-3: {...}, 0: {...}}, 0: {...}})"),
]
for obj, expected in cases:
nt.assert_is_instance(obj, types.DictProxyType) # Meta-test
nt.assert_equal(pretty.pretty(obj), expected)
nt.assert_equal(pretty.pretty(underlying_dict),
"{-3: {...}, 0: dict_proxy({-3: {...}, 0: {...}})}")
def test__pretty(self):
name = 'an object'
description = 'this is a test'
obj = Container(name=name, description=description)
res = pretty(obj)
targ = "Container with name: '%s' description: '%s'" % (name,
description)
self.assertEqual(res, targ)
def test__pretty(self):
res = pretty(self.signal1)
signal = self.signal1
targ = (("IrregularlySampledSignal with %d channels of length %d; units %s; datatype %s \n" % (signal.shape[1], signal.shape[0], signal.units.dimensionality.unicode, signal.dtype)) +
("name: '%s'\ndescription: '%s'\n" % (signal.name, signal.description)) +
("annotations: %s\n" % str(signal.annotations)) +
("sample times: %s" % (signal.times[:10],)))
self.assertEqual(res, targ)
def test__pretty(self):
ann = {'targ0': self.spike1.annotations['test0']}
self.spike1.annotations = ann
res = pretty(self.spike1)
targ = ("Spike " +
"name: '%s' description: '%s' annotations: %s" %
(self.spike1.name, self.spike1.description, ann))
self.assertEqual(res, targ)
def _uprint(obj, ret=False):
try:
from IPython.lib.pretty import pretty
except Exception:
from pprint import pformat as pretty
print(pretty(obj).decode('unicode-escape'))
if ret:
return obj
def getsource(obj, oname=""):
"""Wrapper around inspect.getsource.
This can be modified by other projects to provide customized source
extraction.
Parameters
----------
obj : object
an object whose source code we will attempt to extract
oname : str
(optional) a name under which the object is known
Returns
-------
src : unicode or None
"""
if isinstance(obj, property):
sources = []
for attrname in ["fget", "fset", "fdel"]:
fn = getattr(obj, attrname)
if fn is not None:
encoding = get_encoding(fn)
oname_prefix = ("%s." % oname) if oname else ""
sources.append(cast_unicode("".join(("# ", oname_prefix, attrname)), encoding=encoding))
if inspect.isfunction(fn):
sources.append(dedent(getsource(fn)))
else:
# Default str/repr only prints function name,
# pretty.pretty prints module name too.
sources.append(
cast_unicode("%s%s = %s\n" % (oname_prefix, attrname, pretty(fn)), encoding=encoding)
)
if sources:
return "\n".join(sources)
else:
return None
else:
# Get source for non-property objects.
obj = _get_wrapped(obj)
try:
src = inspect.getsource(obj)
except TypeError:
# The object itself provided no meaningful source, try looking for
# its class definition instead.
if hasattr(obj, "__class__"):
try:
src = inspect.getsource(obj.__class__)
except TypeError:
return None
encoding = get_encoding(obj)
return cast_unicode(src, encoding=encoding)
def _log_pretty_(self, p, cycle): # remove _
if cycle:
p.text('HookFunction(..)')
return
with p.group(len(self.log_prefix), self.log_prefix):
p.text( pretty(self.field_value))
p.text(' was set into ')
p.breakable()
p.text(self.field_name)
def test_simplenamespace():
SN = types.SimpleNamespace
sn_recursive = SN()
sn_recursive.first = sn_recursive
sn_recursive.second = sn_recursive
cases = [
(SN(), "namespace()"),
(SN(x=SN()), "namespace(x=namespace())"),
(SN(a_long_name=[SN(s=string.ascii_lowercase)] * 3, a_short_name=None),
"namespace(a_long_name=[namespace(s='abcdefghijklmnopqrstuvwxyz'),\n"
" namespace(s='abcdefghijklmnopqrstuvwxyz'),\n"
" namespace(s='abcdefghijklmnopqrstuvwxyz')],\n"
" a_short_name=None)"),
(sn_recursive,
"namespace(first=namespace(...), second=namespace(...))"),
]
for obj, expected in cases:
assert pretty.pretty(obj) == expected
def _repr_pretty_(self, p, cycle):
from IPython.lib.pretty import pretty
if cycle:
p.text('...')
return
for key, item in six.iteritems(self):
p.text('[%s]' % key)
p.break_()
with p.indent(1):
for line in pretty(item).splitlines():
p.break_()
p.text(line)
p.break_()
p.break_()
if getattr(self, 'performance'):
p.text(self._performance_str_())
def test_mappingproxy():
MP = types.MappingProxyType
underlying_dict = {}
mp_recursive = MP(underlying_dict)
underlying_dict[2] = mp_recursive
underlying_dict[3] = underlying_dict
cases = [
(MP({}), "mappingproxy({})"),
(MP({None: MP({})}), "mappingproxy({None: mappingproxy({})})"),
(MP({k: k.upper() for k in string.ascii_lowercase}),
"mappingproxy({'a': 'A',\n"
" 'b': 'B',\n"
" 'c': 'C',\n"
" 'd': 'D',\n"
" 'e': 'E',\n"
" 'f': 'F',\n"
" 'g': 'G',\n"
" 'h': 'H',\n"
" 'i': 'I',\n"
" 'j': 'J',\n"
" 'k': 'K',\n"
" 'l': 'L',\n"
" 'm': 'M',\n"
" 'n': 'N',\n"
" 'o': 'O',\n"
" 'p': 'P',\n"
" 'q': 'Q',\n"
" 'r': 'R',\n"
" 's': 'S',\n"
" 't': 'T',\n"
" 'u': 'U',\n"
" 'v': 'V',\n"
" 'w': 'W',\n"
" 'x': 'X',\n"
" 'y': 'Y',\n"
" 'z': 'Z'})"),
(mp_recursive, "mappingproxy({2: {...}, 3: {2: {...}, 3: {...}}})"),
(underlying_dict,
"{2: mappingproxy({2: {...}, 3: {...}}), 3: {...}}"),
]
for obj, expected in cases:
nt.assert_equal(pretty.pretty(obj), expected)
def test_sets():
"""
Test that set and frozenset use Python 3 formatting.
"""
objects = [
set(),
frozenset(),
set([1]),
frozenset([1]),
set([1, 2]),
frozenset([1, 2]),
set([-1, -2, -3])
]
expected = [
'set()', 'frozenset()', '{1}', 'frozenset({1})', '{1, 2}',
'frozenset({1, 2})', '{-3, -2, -1}'
]
for obj, expected_output in zip(objects, expected):
got_output = pretty.pretty(obj)
yield nt.assert_equal, got_output, expected_output
def test_collections_defaultdict():
# Create defaultdicts with cycles
a = defaultdict()
a.default_factory = a
b = defaultdict(list)
b["key"] = b
# Dictionary order cannot be relied on, test against single keys.
cases = [
(defaultdict(list), "defaultdict(list, {})"),
(
defaultdict(list, {"key": "-" * 50}),
"defaultdict(list,\n"
" {'key': '--------------------------------------------------'})",
),
(a, "defaultdict(defaultdict(...), {})"),
(b, "defaultdict(list, {'key': defaultdict(...)})"),
]
for obj, expected in cases:
nt.assert_equal(pretty.pretty(obj), expected)
def __repr__(self):
bindings = [
'edges', 'nodes', 'source', 'destination', 'node', 'edge_label',
'edge_color', 'edge_size', 'edge_weight', 'edge_title',
'edge_icon', 'edge_opacity', 'edge_source_color',
'edge_destination_color', 'point_label', 'point_color',
'point_size', 'point_weight', 'point_title', 'point_icon',
'point_opacity', 'point_x', 'point_y'
]
settings = ['height', 'url_params']
rep = {
'bindings': dict([(f, getattr(self, '_' + f)) for f in bindings]),
'settings': dict([(f, getattr(self, '_' + f)) for f in settings])
}
if util.in_ipython():
from IPython.lib.pretty import pretty
return pretty(rep)
else:
return str(rep)
def test_same_layout(self, g2):
e1, e2 = g2.basis_vectors_lst
dual_matrix = np.array([
[ 0, 0, 0, 1],
[ 0, 0, 1, 0],
[ 0, -1, 0, 0],
[-1, 0, 0, 0]
])
f_dual = transformations.LinearMatrix(dual_matrix, g2)
x = 1 + 2*e2 + 3*e1*e2
assert f_dual(x) == x.dual()
assert pretty.pretty(f_dual) == textwrap.dedent("""\
LinearMatrix(array([[ 0, 0, 0, 1],
[ 0, 0, 1, 0],
[ 0, -1, 0, 0],
[-1, 0, 0, 0]]),
Layout([1, 1],
ids=BasisVectorIds(['u', 'v']),
order=BasisBladeOrder.shortlex(2),
names=['', 'eu', 'ev', 'euv']))""")
def test_collections_ordereddict():
# Create OrderedDict with cycle
a = OrderedDict()
a['key'] = a
cases = [
(OrderedDict(), 'OrderedDict()'),
(OrderedDict(
(i, i) for i in range(1000, 1010)), 'OrderedDict([(1000, 1000),\n'
' (1001, 1001),\n'
' (1002, 1002),\n'
' (1003, 1003),\n'
' (1004, 1004),\n'
' (1005, 1005),\n'
' (1006, 1006),\n'
' (1007, 1007),\n'
' (1008, 1008),\n'
' (1009, 1009)])'),
(a, "OrderedDict([('key', OrderedDict(...))])"),
]
for obj, expected in cases:
nt.assert_equal(pretty.pretty(obj), expected)
def test_helper_parantheses():
class A(object):
def __repr__(self):
r = ReprHelper(self)
r.parantheses = ('<', '>')
r.keyword_with_value('id', hex(id(self)), raw=True)
return str(r)
def _repr_pretty_(self, p, cycle):
r = PrettyReprHelper(self, p, cycle)
r.parantheses = ('<', '>')
with r:
r.keyword_with_value('id', hex(id(self)), raw=True)
a = A()
assert repr(a) == 'A<id={}>'.format(hex(id(a)))
assert pretty(a) == 'A<id={}>'.format(hex(id(a)))
# Test namedtuple for parantheses property
r = ReprHelper(a)
assert repr(r.parantheses) == "Parantheses(left='(', right=')')"
r.parantheses = ('<', '>')
assert repr(r.parantheses) == "Parantheses(left='<', right='>')"
def _repr_pretty_(self, p, cycle):
"""Print list of interfaces in IPython.
Args:
p: Pretty printer to pass output to.
cycle: True, if printer detected a cycle.
Returns:
Nothing.
"""
if cycle:
raise AssertionError('Cycle in an interface list')
if not self:
p.text('No results.')
return
with p.group(0, '', ''):
p.group_stack[-1].want_break = True
for iface in self:
p.breakable()
p.text(pretty.pretty(_InterfaceData(iface)))
def _repr_pretty_(self, p: pretty.PrettyPrinter, cycle: bool) -> None:
"""Print list of clients in IPython.
Args:
p: Pretty printer to pass output to.
cycle: True, if printer detected a cycle.
Returns:
Nothing.
"""
if cycle:
raise AssertionError('Cycle in a client list')
if not self:
p.text('No results.')
return
with p.group(0, '', ''):
p.group_stack[-1].want_break = True
for c in self:
p.breakable()
p.text(pretty.pretty(c))
p.breakable()
def test_invariants(self, g2):
e1, e2 = g2.basis_vectors_lst
matrix = np.array([[ 0, 1],
[-1, 0]])
f = transformations.OutermorphismMatrix(matrix, g2)
# test the vector transform is as requested
assert f(e1) == -e2
assert f(e2) == e1
# test the generalization is correct
assert f(e1^e2) == f(e1)^f(e2)
assert f(g2.scalar) == g2.scalar
# test that distributivity is respected
assert f(g2.scalar + 2*e1 + 3*(e1^e2)) == f(g2.scalar) + 2*f(e1) + 3*f(e1^e2)
assert pretty.pretty(f) == textwrap.dedent("""\
OutermorphismMatrix(array([[ 0, 1],
[-1, 0]]),
Layout([1, 1],
ids=BasisVectorIds(['u', 'v']),
order=BasisBladeOrder.shortlex(2),
names=['', 'eu', 'ev', 'euv']))""")
def test_pprint_nomod():
"""
Test that pprint works for classes with no __module__.
"""
output = pretty.pretty(NoModule)
assert output == "NoModule"
def test_pretty_environ():
dict_repr = pretty.pretty(dict(os.environ))
# reindent to align with 'environ' prefix
dict_indented = dict_repr.replace('\n', '\n' + (' ' * len('environ')))
env_repr = pretty.pretty(os.environ)
nt.assert_equal(env_repr, 'environ' + dict_indented)
def test_metaclass_repr():
output = pretty.pretty(ClassWithMeta)
assert output == "[CUSTOM REPR FOR CLASS ClassWithMeta]"
def getsource(obj, oname=''):
"""Wrapper around inspect.getsource.
This can be modified by other projects to provide customized source
extraction.
Parameters
----------
obj : object
an object whose source code we will attempt to extract
oname : str
(optional) a name under which the object is known
Returns
-------
src : unicode or None
"""
if isinstance(obj, property):
sources = []
for attrname in ['fget', 'fset', 'fdel']:
fn = getattr(obj, attrname)
if fn is not None:
encoding = get_encoding(fn)
oname_prefix = ('%s.' % oname) if oname else ''
sources.append(
cast_unicode(''.join(('# ', oname_prefix, attrname)),
encoding=encoding))
if inspect.isfunction(fn):
sources.append(dedent(getsource(fn)))
else:
# Default str/repr only prints function name,
# pretty.pretty prints module name too.
sources.append(
cast_unicode('%s%s = %s\n' %
(oname_prefix, attrname, pretty(fn)),
encoding=encoding))
if sources:
return '\n'.join(sources)
else:
return None
else:
# Get source for non-property objects.
obj = _get_wrapped(obj)
try:
src = inspect.getsource(obj)
except TypeError:
# The object itself provided no meaningful source, try looking for
# its class definition instead.
if hasattr(obj, '__class__'):
try:
src = inspect.getsource(obj.__class__)
except TypeError:
return None
encoding = get_encoding(obj)
return cast_unicode(src, encoding=encoding)
def main():
from pyqgl2.qreg import QRegister
import pyqgl2.test_cl
from pyqgl2.main import compile_function, qgl2_compile_to_hardware
import numpy as np
toHW = True
plotPulses = False # This tries to produce graphics to display
pyqgl2.test_cl.create_default_channelLibrary(toHW, True)
# # To turn on verbose logging in compile_function
# from pyqgl2.ast_util import NodeError
# from pyqgl2.debugmsg import DebugMsg
# NodeError.MUTE_ERR_LEVEL = NodeError.NODE_ERROR_NONE
# DebugMsg.set_level(0)
# Now compile the QGL2 to produce the function that would generate the expected sequence.
# Supply the path to the QGL2, the main function in that file, and a list of the args to that function.
# Can optionally supply saveOutput=True to save the qgl1.py
# file,
# and intermediate_output="path-to-output-file" to save
# intermediate products
# Pass in QRegister(s) NOT real Qubits
q1 = QRegister("q1")
# Axis Descriptor generator functions here
# This is ugly; they're method dependent, but I can't do them in the QGL2 itself
# Additionally, each uses values from the args to the function
# So here we make those arguments be constants so we can use them twice
# without rewriting the values
hahnSpacings = np.linspace(0, 5e-6, 11)
tCalR = 2 # calRepeats
cpmgNumPulses = [0, 2, 4, 6]
cpmgSpacing = 500e-9
def getHahnAxisDesc(pulseSpacings, calRepeats):
return [
delay_descriptor(2 * pulseSpacings),
cal_descriptor(('qubit', ), calRepeats)
]
def getCPMGAxisDesc(pulseSpacing, numPulses, calRepeats):
return [
# NOTE: numPulses is not a numpy array, so cannot multiply by a float
# But thankfully, np.array(np.array) = np.array so this is always a good move here.
delay_descriptor(pulseSpacing * np.array(numPulses)),
cal_descriptor(('qubit', ), calRepeats)
]
# FIXME: See issue #44: Must supply all args to qgl2main for now
# for func, args, label, axisDesc in [("HahnEcho", (q1, hahnSpacings), "Echo", getHahnAxisDesc(hahnSpacings, tCalR)),
# ("CPMG", (q1, cpmgNumPulses, cpmgSpacing), "CPMG", getCPMGAxisDesc(cpmgSpacing, cpmgNumPulses, tCalR)),
# ]:
for func, args, label, axisDesc in [
("HahnEcho", (q1, hahnSpacings, 0, tCalR), "Echo",
getHahnAxisDesc(hahnSpacings, tCalR)),
("CPMG", (q1, cpmgNumPulses, cpmgSpacing, tCalR), "CPMG",
getCPMGAxisDesc(cpmgSpacing, cpmgNumPulses, tCalR)),
]:
print(f"\nRun {func}...")
# Here we know the function is in the current file
# You could use os.path.dirname(os.path.realpath(__file)) to find files relative to this script,
# Or os.getcwd() to get files relative to where you ran from. Or always use absolute paths.
resFunc = compile_function(__file__, func, args)
# Run the QGL2. Note that the generated function takes no arguments itself
seq = resFunc()
if toHW:
print(f"Compiling {func} sequences to hardware\n")
fileNames = qgl2_compile_to_hardware(seq,
filename=f'{label}/{label}',
axis_descriptor=axisDesc)
print(f"Compiled sequences; metafile = {fileNames}")
if plotPulses:
from QGL.PulseSequencePlotter import plot_pulse_files
# FIXME: As called, this returns a graphical object to display
plot_pulse_files(fileNames)
else:
print(f"\nGenerated {func} sequences:\n")
from QGL.Scheduler import schedule
scheduled_seq = schedule(seq)
from IPython.lib.pretty import pretty
print(pretty(scheduled_seq))
def test_bad_repr():
"""Don't catch bad repr errors"""
with nt.assert_raises(ZeroDivisionError):
output = pretty.pretty(BadRepr())
def test_custom_repr():
"""A custom repr should override a pretty printer for a parent type"""
oc = OrderedCounter("abracadabra")
nt.assert_in("OrderedCounter(OrderedDict", pretty.pretty(oc))
nt.assert_equal(pretty.pretty(MySet()), 'mine')
def test_unbound_method():
output = pretty.pretty(MyObj.somemethod)
nt.assert_in('MyObj.somemethod', output)
def test_metaclass_repr():
output = pretty.pretty(ClassWithMeta)
nt.assert_equal(output, "[CUSTOM REPR FOR CLASS ClassWithMeta]")
def test_long_tuple():
tup = tuple(range(10000))
p = pretty.pretty(tup)
last2 = p.rsplit('\n', 2)[-2:]
nt.assert_equal(last2, [' 999,', ' ...)'])
def test_long_dict():
d = {n: n for n in range(10000)}
p = pretty.pretty(d)
last2 = p.rsplit('\n', 2)[-2:]
nt.assert_equal(last2, [' 999: 999,', ' ...}'])
def test_long_set():
s = set(range(10000))
p = pretty.pretty(s)
last2 = p.rsplit('\n', 2)[-2:]
nt.assert_equal(last2, [' 999,', ' ...}'])
def test_long_list():
lis = list(range(10000))
p = pretty.pretty(lis)
last2 = p.rsplit('\n', 2)[-2:]
nt.assert_equal(last2, [' 999,', ' ...]'])
def test_really_bad_repr():
with nt.assert_raises(BadException):
output = pretty.pretty(ReallyBadRepr())
def test_sets(obj, expected_output):
"""
Test that set and frozenset use Python 3 formatting.
"""
got_output = pretty.pretty(obj)
assert got_output == expected_output
def format_code(code, language):
if language == 'lisp':
return pretty.pretty(SExprWrapper(code))
else:
raise NotImplementedError(language)
def test_unbound_method(self):
output = pretty.pretty(MyObj.somemethod)
self.assertIn('MyObj.somemethod', output)
def test_pprint_nomod():
"""
Test that pprint works for classes with no __module__.
"""
output = pretty.pretty(NoModule)
nt.assert_equal(output, 'NoModule')
