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# pylint: disable=missing-docstring,redefined-builtin, consider-using-f-string, unnecessary-direct-lambda-call, broad-exception-raised
import sys
if sys.version_info >= (3, 8):
from typing import NoReturn
else:
from typing_extensions import NoReturn
def do_stuff(some_random_list):
for var in some_random_list:
pass
return var # [undefined-loop-variable]
def do_else(some_random_list):
for var in some_random_list:
if var == 42:
break
else:
var = 84
return var
__revision__ = 'yo'
TEST_LC = [C for C in __revision__ if C.isalpha()]
B = [B for B in __revision__ if B.isalpha()]
VAR2 = B # nor this one
for var1, var2 in TEST_LC:
var1 = var2 + 4
VAR3 = var1 # [undefined-loop-variable]
for note in __revision__:
note.something()
for line in __revision__:
for note in line:
A = note.anotherthing()
for x in []:
pass
for x in range(3):
VAR5 = (lambda: x)()
def do_stuff_with_a_list():
for var in [1, 2, 3]:
pass
return var
def do_stuff_with_a_set():
for var in {1, 2, 3}: # pylint: disable=use-sequence-for-iteration
pass
return var
def do_stuff_with_a_dict():
for var in {1: 2, 3: 4}:
pass
return var
def do_stuff_with_a_tuple():
for var in (1, 2, 3):
pass
return var
def do_stuff_with_a_range():
for var in range(1, 2):
pass
return var
def do_stuff_with_redefined_range():
def range(key):
yield from [1, key]
for var in range(3):
pass
return var # [undefined-loop-variable]
def test(content):
# https://github.com/PyCQA/pylint/issues/3711
def handle_line(layne):
if "X" in layne:
layne = layne.replace("X", "Y")
elif "Y" in layne: # line 5
layne = '{}'.format(layne)
elif "Z" in layne: # line 7
layne = f'{layne}'
else:
layne = '%s' % layne # line 10
for layne in content.split('\n'):
handle_line(layne)
def for_else_returns(iterable):
for thing in iterable:
break
else:
return
print(thing)
def for_else_raises(iterable):
for thing in iterable:
break
else:
raise Exception
print(thing)
def for_else_break(iterable):
while True:
for thing in iterable:
break
else:
break
print(thing)
def for_else_continue(iterable):
while True:
for thing in iterable:
break
else:
continue
print(thing)
def for_else_no_return(iterable):
def fail() -> NoReturn:
...
while True:
for thing in iterable:
break
else:
fail()
print(thing)
lst = []
lst2 = [1, 2, 3]
for item in lst:
pass
bigger = [
[
x for x in lst2 if x > item
]
for item in lst
]
def lambda_in_first_of_two_loops():
"""https://github.com/PyCQA/pylint/issues/6419"""
my_list = []
for thing in my_list:
print_it = lambda: print(thing) # pylint: disable=cell-var-from-loop, unnecessary-lambda-assignment
print_it()
for thing in my_list:
print(thing)
def variable_name_assigned_in_body_of_second_loop():
for alias in tuple(bigger):
continue
for _ in range(3):
alias = True
if alias:
print(alias)
def use_enumerate():
"""https://github.com/PyCQA/pylint/issues/6593"""
for i, num in enumerate(range(3)):
pass
print(i, num)
def use_enumerate_in_ternary_expression():
"""https://github.com/PyCQA/pylint/issues/7131"""
for i, num in enumerate(range(3)) if __revision__ else enumerate(range(4)):
pass
print(i, num)
def find_even_number(container):
"""https://github.com/PyCQA/pylint/pull/6923#discussion_r895134495"""
for something in container:
if something % 2 == 0:
break
return something # [undefined-loop-variable]
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