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style: use Black everywhere (#2594)

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* style: use Black everywhere

* style: minor touchup from review
This commit is contained in:
Henry Schreiner
2020-10-16 16:38:13 -04:00
committed by GitHub
parent 2e31e466dc
commit c50f90eca6
38 changed files with 1653 additions and 941 deletions
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110
tests/test_factory_constructors.py
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@@ -12,7 +12,10 @@ from pybind11_tests import ConstructorStats
def test_init_factory_basic():
"""Tests py::init_factory() wrapper around various ways of returning the object"""
cstats = [ConstructorStats.get(c) for c in [m.TestFactory1, m.TestFactory2, m.TestFactory3]]
cstats = [
ConstructorStats.get(c)
for c in [m.TestFactory1, m.TestFactory2, m.TestFactory3]
]
cstats[0].alive() # force gc
n_inst = ConstructorStats.detail_reg_inst()
@@ -41,12 +44,12 @@ def test_init_factory_basic():
z3 = m.TestFactory3("bye")
assert z3.value == "bye"
for null_ptr_kind in [tag.null_ptr,
tag.null_unique_ptr,
tag.null_shared_ptr]:
for null_ptr_kind in [tag.null_ptr, tag.null_unique_ptr, tag.null_shared_ptr]:
with pytest.raises(TypeError) as excinfo:
m.TestFactory3(null_ptr_kind)
assert str(excinfo.value) == "pybind11::init(): factory function returned nullptr"
assert (
str(excinfo.value) == "pybind11::init(): factory function returned nullptr"
)
assert [i.alive() for i in cstats] == [3, 3, 3]
assert ConstructorStats.detail_reg_inst() == n_inst + 9
@@ -61,7 +64,7 @@ def test_init_factory_basic():
assert [i.values() for i in cstats] == [
["3", "hi!"],
["7", "hi again"],
["42", "bye"]
["42", "bye"],
]
assert [i.default_constructions for i in cstats] == [1, 1, 1]
@@ -69,7 +72,9 @@ def test_init_factory_basic():
def test_init_factory_signature(msg):
with pytest.raises(TypeError) as excinfo:
m.TestFactory1("invalid", "constructor", "arguments")
assert msg(excinfo.value) == """
assert (
msg(excinfo.value)
== """
__init__(): incompatible constructor arguments. The following argument types are supported:
1. m.factory_constructors.TestFactory1(arg0: m.factory_constructors.tag.unique_ptr_tag, arg1: int)
2. m.factory_constructors.TestFactory1(arg0: str)
@@ -78,8 +83,11 @@ def test_init_factory_signature(msg):
Invoked with: 'invalid', 'constructor', 'arguments'
""" # noqa: E501 line too long
)
assert msg(m.TestFactory1.__init__.__doc__) == """
assert (
msg(m.TestFactory1.__init__.__doc__)
== """
__init__(*args, **kwargs)
Overloaded function.
@@ -91,12 +99,16 @@ def test_init_factory_signature(msg):
4. __init__(self: m.factory_constructors.TestFactory1, arg0: handle, arg1: int, arg2: handle) -> None
""" # noqa: E501 line too long
)
def test_init_factory_casting():
"""Tests py::init_factory() wrapper with various upcasting and downcasting returns"""
cstats = [ConstructorStats.get(c) for c in [m.TestFactory3, m.TestFactory4, m.TestFactory5]]
cstats = [
ConstructorStats.get(c)
for c in [m.TestFactory3, m.TestFactory4, m.TestFactory5]
]
cstats[0].alive() # force gc
n_inst = ConstructorStats.detail_reg_inst()
@@ -134,7 +146,7 @@ def test_init_factory_casting():
assert [i.values() for i in cstats] == [
["4", "5", "6", "7", "8"],
["4", "5", "8"],
["6", "7"]
["6", "7"],
]
@@ -204,7 +216,7 @@ def test_init_factory_alias():
assert [i.values() for i in cstats] == [
["1", "8", "3", "4", "5", "6", "123", "10", "47"],
["hi there", "3", "4", "6", "move", "123", "why hello!", "move", "47"]
["hi there", "3", "4", "6", "move", "123", "why hello!", "move", "47"],
]
@@ -268,9 +280,11 @@ def test_init_factory_dual():
assert not g1.has_alias()
with pytest.raises(TypeError) as excinfo:
PythFactory7(tag.shared_ptr, tag.invalid_base, 14)
assert (str(excinfo.value) ==
"pybind11::init(): construction failed: returned holder-wrapped instance is not an "
"alias instance")
assert (
str(excinfo.value)
== "pybind11::init(): construction failed: returned holder-wrapped instance is not an "
"alias instance"
)
assert [i.alive() for i in cstats] == [13, 7]
assert ConstructorStats.detail_reg_inst() == n_inst + 13
@@ -284,7 +298,7 @@ def test_init_factory_dual():
assert [i.values() for i in cstats] == [
["1", "2", "3", "4", "5", "6", "7", "8", "9", "100", "11", "12", "13", "14"],
["2", "4", "6", "8", "9", "100", "12"]
["2", "4", "6", "8", "9", "100", "12"],
]
@@ -294,7 +308,7 @@ def test_no_placement_new(capture):
with capture:
a = m.NoPlacementNew(123)
found = re.search(r'^operator new called, returning (\d+)\n$', str(capture))
found = re.search(r"^operator new called, returning (\d+)\n$", str(capture))
assert found
assert a.i == 123
with capture:
@@ -305,7 +319,7 @@ def test_no_placement_new(capture):
with capture:
b = m.NoPlacementNew()
found = re.search(r'^operator new called, returning (\d+)\n$', str(capture))
found = re.search(r"^operator new called, returning (\d+)\n$", str(capture))
assert found
assert b.i == 100
with capture:
@@ -333,7 +347,7 @@ def create_and_destroy(*args):
def strip_comments(s):
return re.sub(r'\s+#.*', '', s)
return re.sub(r"\s+#.*", "", s)
def test_reallocation_a(capture, msg):
@@ -345,7 +359,9 @@ def test_reallocation_a(capture, msg):
with capture:
create_and_destroy(1)
assert msg(capture) == """
assert (
msg(capture)
== """
noisy new
noisy placement new
NoisyAlloc(int 1)
@@ -353,12 +369,14 @@ def test_reallocation_a(capture, msg):
~NoisyAlloc()
noisy delete
"""
)
def test_reallocation_b(capture, msg):
with capture:
create_and_destroy(1.5)
assert msg(capture) == strip_comments("""
assert msg(capture) == strip_comments(
"""
noisy new # allocation required to attempt first overload
noisy delete # have to dealloc before considering factory init overload
noisy new # pointer factory calling "new", part 1: allocation
@@ -366,51 +384,59 @@ def test_reallocation_b(capture, msg):
---
~NoisyAlloc() # Destructor
noisy delete # operator delete
""")
"""
)
def test_reallocation_c(capture, msg):
with capture:
create_and_destroy(2, 3)
assert msg(capture) == strip_comments("""
assert msg(capture) == strip_comments(
"""
noisy new # pointer factory calling "new", allocation
NoisyAlloc(int 2) # constructor
---
~NoisyAlloc() # Destructor
noisy delete # operator delete
""")
"""
)
def test_reallocation_d(capture, msg):
with capture:
create_and_destroy(2.5, 3)
assert msg(capture) == strip_comments("""
assert msg(capture) == strip_comments(
"""
NoisyAlloc(double 2.5) # construction (local func variable: operator_new not called)
noisy new # return-by-value "new" part 1: allocation
~NoisyAlloc() # moved-away local func variable destruction
---
~NoisyAlloc() # Destructor
noisy delete # operator delete
""")
"""
)
def test_reallocation_e(capture, msg):
with capture:
create_and_destroy(3.5, 4.5)
assert msg(capture) == strip_comments("""
assert msg(capture) == strip_comments(
"""
noisy new # preallocation needed before invoking placement-new overload
noisy placement new # Placement new
NoisyAlloc(double 3.5) # construction
---
~NoisyAlloc() # Destructor
noisy delete # operator delete
""")
"""
)
def test_reallocation_f(capture, msg):
with capture:
create_and_destroy(4, 0.5)
assert msg(capture) == strip_comments("""
assert msg(capture) == strip_comments(
"""
noisy new # preallocation needed before invoking placement-new overload
noisy delete # deallocation of preallocated storage
noisy new # Factory pointer allocation
@@ -418,13 +444,15 @@ def test_reallocation_f(capture, msg):
---
~NoisyAlloc() # Destructor
noisy delete # operator delete
""")
"""
)
def test_reallocation_g(capture, msg):
with capture:
create_and_destroy(5, "hi")
assert msg(capture) == strip_comments("""
assert msg(capture) == strip_comments(
"""
noisy new # preallocation needed before invoking first placement new
noisy delete # delete before considering new-style constructor
noisy new # preallocation for second placement new
@@ -433,13 +461,15 @@ def test_reallocation_g(capture, msg):
---
~NoisyAlloc() # Destructor
noisy delete # operator delete
""")
"""
)
@pytest.mark.skipif("env.PY2")
def test_invalid_self():
"""Tests invocation of the pybind-registered base class with an invalid `self` argument. You
can only actually do this on Python 3: Python 2 raises an exception itself if you try."""
class NotPybindDerived(object):
pass
@@ -463,16 +493,26 @@ def test_invalid_self():
a = m.TestFactory2(tag.pointer, 1)
m.TestFactory6.__init__(a, tag.alias, 1)
elif bad == 3:
m.TestFactory6.__init__(NotPybindDerived.__new__(NotPybindDerived), tag.base, 1)
m.TestFactory6.__init__(
NotPybindDerived.__new__(NotPybindDerived), tag.base, 1
)
elif bad == 4:
m.TestFactory6.__init__(NotPybindDerived.__new__(NotPybindDerived), tag.alias, 1)
m.TestFactory6.__init__(
NotPybindDerived.__new__(NotPybindDerived), tag.alias, 1
)
for arg in (1, 2):
with pytest.raises(TypeError) as excinfo:
BrokenTF1(arg)
assert str(excinfo.value) == "__init__(self, ...) called with invalid `self` argument"
assert (
str(excinfo.value)
== "__init__(self, ...) called with invalid `self` argument"
)
for arg in (1, 2, 3, 4):
with pytest.raises(TypeError) as excinfo:
BrokenTF6(arg)
assert str(excinfo.value) == "__init__(self, ...) called with invalid `self` argument"
assert (
str(excinfo.value)
== "__init__(self, ...) called with invalid `self` argument"
)