xd> Z?d? Z@d@ ZAdA ZBdB ZCdC ZDdD ZEdES )FTestc F | dt j d S )Nbarflakesm
UndefinedNameselfs t/builddir/build/BUILD/cloudlinux-venv-1.0.12/venv/lib/python3.11/site-packages/pyflakes/test/test_undefined_names.pytest_undefinedzTest.test_undefined s E1?+++++ c 0 | d d S )Nz[a for a in range(10) if a]r r s r test_definedInListCompzTest.test_definedInListComp s 122222r c F | dt j d S )Nz2
[a for a in range(10)]
a
r r s r test_undefinedInListCompz Test.test_undefinedInListComp s. O % % % % %r c \ | dt j t j dS )zxException names can't be used after the except: block.
The exc variable is unused inside the exception handler.zx
try:
raise ValueError('ve')
except ValueError as exc:
pass
exc
Nr r
r UnusedVariabler s r test_undefinedExceptionNamez Test.test_undefinedExceptionName s5
_a .
0 0 0 0 0r c 0 | d dS )zLocals declared in except: blocks can be used after the block.
This shows the example in test_undefinedExceptionName is
different.zy
try:
raise ValueError('ve')
except ValueError as exc:
e = exc
e
Nr r s r test_namesDeclaredInExceptBlocksz%Test.test_namesDeclaredInExceptBlocks! )
r z5error reporting disabled due to false positives belowc F | dt j dS )zException names obscure locals, can't be used after.
Last line will raise UnboundLocalError on Python 3 after exiting
the except: block. Note next two examples for false positives to
watch out for.z
exc = 'Original value'
try:
raise ValueError('ve')
except ValueError as exc:
pass
exc
Nr r s r 1test_undefinedExceptionNameObscuringLocalVariablez6Test.test_undefinedExceptionNameObscuringLocalVariable. s0
O % % % % %r c \ | dt j t j dS )zException names are unbound after the `except:` block.
Last line will raise UnboundLocalError.
The exc variable is unused inside the exception handler.
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try:
raise ValueError('ve')
except ValueError as exc:
pass
print(exc)
exc = 'Original value'
Nr r s r 2test_undefinedExceptionNameObscuringLocalVariable2z7Test.test_undefinedExceptionNameObscuringLocalVariable2? s5
_a . 0 0 0 0 0r c F | dt j dS )zException names obscure locals, can't be used after. Unless.
Last line will never raise UnboundLocalError because it's only
entered if no exception was raised.z
exc = 'Original value'
try:
raise ValueError('ve')
except ValueError as exc:
print('exception logged')
raise
exc
Nr r
r r s r ?test_undefinedExceptionNameObscuringLocalVariableFalsePositive1zDTest.test_undefinedExceptionNameObscuringLocalVariableFalsePositive1N 1
r c 0 | d dS )z7The exception name can be deleted in the except: block.z\
try:
pass
except Exception as exc:
del exc
Nr r s r test_delExceptionInExceptz Test.test_delExceptionInExcept] '
r c F | dt j dS )zException names obscure locals, can't be used after. Unless.
Last line will never raise UnboundLocalError because `error` is
only falsy if the `except:` block has not been entered.z
exc = 'Original value'
error = None
try:
raise ValueError('ve')
except ValueError as exc:
error = 'exception logged'
if error:
print(error)
else:
exc
Nr% r s r ?test_undefinedExceptionNameObscuringLocalVariableFalsePositive2zDTest.test_undefinedExceptionNameObscuringLocalVariableFalsePositive2f s1
r c F | dt j dS )zException names obscure globals, can't be used after.
Last line will raise UnboundLocalError because the existence of that
exception name creates a local scope placeholder for it, obscuring any
globals, etc.z
exc = 'Original value'
def func():
try:
pass # nothing is raised
except ValueError as exc:
pass # block never entered, exc stays unbound
exc
Nr r
UndefinedLocalr s r 2test_undefinedExceptionNameObscuringGlobalVariablez7Test.test_undefinedExceptionNameObscuringGlobalVariablex s1
$ & & & & &r c F | dt j dS )a Exception names obscure globals, can't be used after.
Last line will raise NameError on Python 3 because the name is
locally unbound after the `except:` block, even if it's
nonlocal. We should issue an error in this case because code
only working correctly if an exception isn't raised, is invalid.
Unless it's explicitly silenced, see false positives below.a
exc = 'Original value'
def func():
global exc
try:
raise ValueError('ve')
except ValueError as exc:
pass # block never entered, exc stays unbound
exc
Nr. r s r 3test_undefinedExceptionNameObscuringGlobalVariable2z8Test.test_undefinedExceptionNameObscuringGlobalVariable2 s1
$
&
&
&
&
&r c F | dt j dS )zException names obscure globals, can't be used after. Unless.
Last line will never raise NameError because it's only entered
if no exception was raised.a
exc = 'Original value'
def func():
global exc
try:
raise ValueError('ve')
except ValueError as exc:
print('exception logged')
raise
exc
Nr% r s r @test_undefinedExceptionNameObscuringGlobalVariableFalsePositive1zETest.test_undefinedExceptionNameObscuringGlobalVariableFalsePositive1 s1
r c F | dt j dS )zException names obscure globals, can't be used after. Unless.
Last line will never raise NameError because `error` is only
falsy if the `except:` block has not been entered.aN
exc = 'Original value'
def func():
global exc
error = None
try:
raise ValueError('ve')
except ValueError as exc:
error = 'exception logged'
if error:
print(error)
else:
exc
Nr% r s r @test_undefinedExceptionNameObscuringGlobalVariableFalsePositive2zETest.test_undefinedExceptionNameObscuringGlobalVariableFalsePositive2 s1
r c 0 | d d S )NzQ
class a:
def b():
fu
fu = 1
r r s r test_functionsNeedGlobalScopez"Test.test_functionsNeedGlobalScope s'
r c 0 | d d S )Nz range(10)r r s r
test_builtinszTest.test_builtins s K r c 0 | d dS )zm
C{WindowsError} is sometimes a builtin name, so no warning is emitted
for using it.
WindowsErrorNr r s r test_builtinWindowsErrorz Test.test_builtinWindowsError
N#####r c 0 | d dS )z
Use of the C{__annotations__} in module scope should not emit
an undefined name warning when version is greater than or equal to 3.6.
__annotations__Nr r s r test_moduleAnnotationszTest.test_moduleAnnotations s
%&&&&&r c 0 | d dS )zh
Use of the C{__file__} magic global should not emit an undefined name
warning.
__file__Nr r s r test_magicGlobalsFilezTest.test_magicGlobalsFile
J r c 0 | d dS )zl
Use of the C{__builtins__} magic global should not emit an undefined
name warning.
__builtins__Nr r s r test_magicGlobalsBuiltinsz Test.test_magicGlobalsBuiltins r> r c 0 | d dS )zh
Use of the C{__name__} magic global should not emit an undefined name
warning.
__name__Nr r s r test_magicGlobalsNamezTest.test_magicGlobalsName rE r c t | dt j | dd dS )z
Use of the C{__path__} magic global should not emit an undefined name
warning, if you refer to it from a file called __init__.py.
__path__zpackage/__init__.py)filenameNr r s r test_magicGlobalsPathzTest.test_magicGlobalsPath s7
J000 J)> ?????r c | dt j | d | dt j dS )z
Use of the C{__module__} magic builtin should not emit an undefined
name warning if used in class scope.
__module__z3
class Foo:
__module__
zR
class Foo:
def bar(self):
__module__
Nr r s r test_magicModuleInClassScopez!Test.test_magicModuleInClassScope sc
L!/222
_ r c | dt j | d | dt j dS )z
Use of the C{__qualname__} magic builtin should not emit an undefined
name warning if used in class scope.
__qualname__z5
class Foo:
__qualname__
zT
class Foo:
def bar(self):
__qualname__
Nr r s r test_magicQualnameInClassScopez#Test.test_magicQualnameInClassScope
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NAO444
_ r c \ | dt j t j dS )z)Can't find undefined names with import *.zfrom fu import *; barN)r r
ImportStarUsedImportStarUsager s r test_globalImportStarzTest.test_globalImportStar s0 +$a&7 9 9 9 9 9r c Z | d | d dS )zd
"global" can make an otherwise undefined name in another function
defined.
z@
def a(): global fu; fu = 1
def b(): fu
zC
def c(): bar
def b(): global bar; bar = 1
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r c 0 | d dS )z5
"global" can accept multiple names.
zS
def a(): global fu, bar; fu = 1; bar = 2
def b(): fu; bar
Nr r s r !test_definedByGlobalMultipleNamesz&Test.test_definedByGlobalMultipleNames- s)
r c F | dt j dS )zD
A global statement in the global scope is ignored.
zB
global x
def foo():
print(x)
Nr r s r test_globalInGlobalScopez Test.test_globalInGlobalScope6 s0
_ r c F | dt j dS )z@A global statement does not prevent other names being undefined.zQ
def f1():
s
def f2():
global m
Nr r s r test_global_reset_name_onlyz Test.test_global_reset_name_only@ s0
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r todoc F | dt j dS )z4An unused global statement does not define the name.zQ
def f1():
m
def f2():
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Nr r s r test_unused_globalzTest.test_unused_globalL s0
_
r c F | dt j dS )zDel deletes bindings.za = 1; del a; aNr r s r test_delz
Test.test_delW s %q77777r c 0 | d dS )z%Del a global binding from a function.zY
a = 1
def f():
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a
Nr r s r test_delGlobalzTest.test_delGlobal[ s'
r c F | dt j dS )zDel an undefined name.zdel aNr r s r test_delUndefinedzTest.test_delUndefinede s GQ_-----r c 0 | d dS )z8
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context = None
test = True
if False:
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assert(test)
Nr r s r test_delConditionalzTest.test_delConditionali s)
r c 0 | d dS )zh
Ignored conditional bindings deletion even if they are nested in other
blocks.
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context = None
test = True
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Nr r s r test_delConditionalNestedz Test.test_delConditionalNestedu s)
r c 0 | d dS )zb
Ignore bindings deletion if called inside the body of a while
statement.
z~
def test():
foo = 'bar'
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assert(foo)
Nr r s r
test_delWhilezTest.test_delWhile r r c 0 | d dS )z
Ignore bindings deletion if called inside the body of a while
statement and name is used inside while's test part.
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def _worker():
o = True
while o is not True:
del o
o = False
Nr r s r test_delWhileTestUsagezTest.test_delWhileTestUsage r r c 0 | d dS )zx
Ignore bindings deletions if node is part of while's test, even when
del is in a nested block.
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context = None
def _worker():
o = True
while o is not True:
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o = False
Nr r s r test_delWhileNestedzTest.test_delWhileNested s)
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a = 1
def b():
def c():
a
Nr r s r test_globalFromNestedScopez Test.test_globalFromNestedScope r* r c F | dt j dS )z~
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a = 1
def fun():
a
a = 2
return a
Nr. r s r (test_laterRedefinedGlobalFromNestedScopez-Test.test_laterRedefinedGlobalFromNestedScope s1
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Test that referencing a local name in a nested scope that shadows a
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a = 1
def fun():
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def fun2():
a
a = 2
return a
Nr. r s r )test_laterRedefinedGlobalFromNestedScope2z.Test.test_laterRedefinedGlobalFromNestedScope2 s1
r c F | dt j dS )a
If a name defined in an enclosing scope is shadowed by a local variable
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warning is emitted, even if there is a class scope between the enclosing
scope and the local scope.
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def f():
x = 1
class g:
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x = None
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Nr. r s r "test_intermediateClassScopeIgnoredz'Test.test_intermediateClassScopeIgnored s1
r c | dt j j d }| j rdnd}| |j d|f dS )a
Test that referencing a local name in a nested scope that shadows a
variable declared in two different outer scopes before it is defined
in the innermost scope generates an UnboundLocal warning which
refers to the nearest shadowed name.
a
def a():
x = 1
def b():
x = 2 # line 5
def c():
x
x = 3
return x
return x
return x
r xN)r r
r/ r withDoctest assertEqual message_args)r excexpected_line_nums r $test_doubleNestingReportsClosestNamez)Test.test_doubleNestingReportsClosestName si kk
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def fun():
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Nr. r s r )test_laterRedefinedGlobalFromNestedScope3z.Test.test_laterRedefinedGlobalFromNestedScope3 r' r c | dt j t j t j t j t j d S )Nz
def f(seq):
a = 0
seq[a] += 1
seq[b] /= 2
c[0] *= 2
a -= 3
d += 4
e[any] = 5
r r s r !test_undefinedAugmentedAssignmentz&Test.test_undefinedAugmentedAssignment
sB
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Nr r s r test_nestedClasszTest.test_nestedClass s'
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def f():
class C:
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foo = 456
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f()
Nr r s r test_badNestedClasszTest.test_badNestedClass, s. _ r c 0 | d dS )z+Star and double-star arg names are defined.z?
def f(a, *b, **c):
print(a, b, c)
Nr r s r test_definedAsStarArgszTest.test_definedAsStarArgs7 s'
r c | d | d | d dS )z!Star names in unpack are defined.z7
a, *b = range(10)
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z=
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Nr r s r test_definedAsStarUnpackz Test.test_definedAsStarUnpack> sa
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z8
def f():
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z:
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z=
def f():
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Nr r s r test_usedAsStarUnpackzTest.test_usedAsStarUnpackM sc
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Star names in unpack are unused if RHS is a tuple/list literal.
zC
def f():
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zL
def f():
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zD
def f():
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Nr% r s r test_unusedAsStarUnpackz Test.test_unusedAsStarUnpack^ s
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q /1A C C C C Cr c Z | d | d dS )z#Keyword-only arg names are defined.z>
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Nr r s r test_keywordOnlyArgszTest.test_keywordOnlyArgso sD
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def f(*, a, b=default_c):
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Nr r s r test_keywordOnlyArgsUndefinedz"Test.test_keywordOnlyArgsUndefined| s. _ r c Z | d | d dS )zUndefined annotations.z
from abc import note1, note2, note3, note4, note5
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b: note3=12, **kw: note4) -> note5: pass
zk
def func():
d = e = 42
def func(a: {1, d}) -> (lambda c: e): pass
Nr r s r test_annotationUndefinedz Test.test_annotationUndefined sD
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from abc import ABCMeta
class A(metaclass=ABCMeta): pass
r r s r test_metaClassUndefinedz Test.test_metaClassUndefined s'
r c Z | d | d dS )zc
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z(a for a in [1, 2, 3] if a)z-(b for b in (a for a in [1, 2, 3] if a) if b)Nr r s r test_definedInGenExpzTest.test_definedInGenExp s0
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The loop variables of generator expressions nested together are
not defined in the other generator.
z-(b for b in (a for a in [1, 2, 3] if b) if b)z-(b for b in (a for a in [1, 2, 3] if a) if a)Nr r s r test_undefinedInGenExpNestedz!Test.test_undefinedInGenExpNested sL
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zc
try:
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try:
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Nr r s r test_undefinedWithErrorHandlerz#Test.test_undefinedWithErrorHandler s
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Defined name for generator expressions and dict/set comprehension.
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class A:
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Z = (x for x in T)
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B = dict((i, str(i)) for i in T)
zu
class A:
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X = {x for x in T}
Y = {x:x for x in T}
Nr r s r test_definedInClasszTest.test_definedInClass sF
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class A:
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Nr r s r test_definedInClassNestedz Test.test_definedInClassNested r* r c | dt j | dt j | dt j dS )zP
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z9
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z(
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Nr r s r test_undefinedInLoopzTest.test_undefinedInLoop st
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{lambda: id(x) for x in range(10)}
Nr r s r /test_definedFromLambdaInDictionaryComprehensionz4Test.test_definedFromLambdaInDictionaryComprehension )
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z7
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Nr r s r !test_definedFromLambdaInGeneratorz&Test.test_definedFromLambdaInGenerator r r c F | dt j dS )zk
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Nr r s r 1test_undefinedFromLambdaInDictionaryComprehensionz6Test.test_undefinedFromLambdaInDictionaryComprehension .
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z7
any(lambda: id(y) for x in range(10))
Nr r s r 'test_undefinedFromLambdaInComprehensionz,Test.test_undefinedFromLambdaInComprehension r r c 4 d}| | d S )Nz
class Test(object):
def __init__(self):
print(__class__.__name__)
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t = Test()
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