add flake8-quotes and fix quoting issues

.github/workflows/build.yml

@@ -11,7 +11,7 @@ jobs:
  python-version: 3.9
  - name: Install Black and Flake8
  run: |
- pip install black==19.3b0 flake8 flake8-future-import flake8-logging-format flake8-import-order
+ pip install black==19.3b0 flake8 flake8-future-import flake8-logging-format flake8-import-order flake8-quotes
  - name: Run Flake8
  run: |
  black --version

dmoj/checkers/identical.py

@@ -11,5 +11,5 @@ def check(process_output: bytes, judge_output: bytes, pe_allowed: bool = True, *
  feedback = None
  if pe_allowed and standard(utf8bytes(judge_output), utf8bytes(process_output)):
  # in the event the standard checker would have passed the problem, raise a presentation error
- feedback = "Presentation Error, check your whitespace"
+ feedback = 'Presentation Error, check your whitespace'
  return CheckerResult(False, 0, feedback=feedback)

dmoj/checkers/linecount.py

@@ -4,7 +4,7 @@
 from dmoj.result import CheckerResult
 from dmoj.utils.unicode import utf8bytes
 
-verdict = u"\u2717\u2713"
+verdict = u'\u2717\u2713'
 
 
 def check(

dmoj/cli.py

@@ -114,7 +114,7 @@ def run_command(line):
  return cmd.execute(line[1:])
  except InvalidCommandException as e:
  if e.message:
- print_ansi("#ansi[%s](red|bold)\n" % e.message)
+ print_ansi('#ansi[%s](red|bold)\n' % e.message)
  print()
  return 1
  else:
@@ -129,7 +129,7 @@ def run_command(line):
  return run_command(judgeenv.cli_command)
  else:
  while True:
- command = input(ansi_style("#ansi[dmoj](magenta)#ansi[>](green) ")).strip()
+ command = input(ansi_style('#ansi[dmoj](magenta)#ansi[>](green) ')).strip()
  run_command(shlex.split(command))
  except (EOFError, KeyboardInterrupt):
  print()

dmoj/commands/submissions.py

@@ -16,7 +16,7 @@ def execute(self, line):
  args = self.arg_parser.parse_args(line)
 
  if args.limit is not None and args.limit <= 0:
- raise InvalidCommandException("--limit must be >= 0")
+ raise InvalidCommandException('--limit must be >= 0')
 
  submissions = self.judge.graded_submissions if not args.limit else self.judge.graded_submissions[: args.limit]
 

dmoj/commands/submit.py

@@ -59,7 +59,7 @@ def execute(self, line):
  ext = ext.upper()
  language_id = {'PY': 'PY2', 'CPP': 'CPP11', 'JAVA': 'JAVA8'}.get(ext, ext)
  else:
- raise InvalidCommandException("no language is selected")
+ raise InvalidCommandException('no language is selected')
  elif language_id not in executors:
  raise InvalidCommandException("unknown language '%s'" % language_id)
  elif time_limit <= 0:

dmoj/commands/test.py

@@ -79,7 +79,7 @@ def execute(self, line):
  map(lambda x: "'%s'" % x, filter(lambda problem_id: problem_id not in supported_problems, problem_ids))
  )
  if unknown_problems:
- raise InvalidCommandException("unknown problem(s) %s" % unknown_problems)
+ raise InvalidCommandException('unknown problem(s) %s' % unknown_problems)
 
  tester = ProblemTester()
  total_fails = 0

dmoj/cptbox/syscalls/generate_linux.py

@@ -99,14 +99,14 @@
 
 with open('../syscalls.pyi', 'w') as interface:
  print(
- '''\
+ """\
 from typing import List, Dict
 
 translator: List[List[int]]
 by_name: Dict[str, int]
 by_id: List[str]
 SYSCALL_COUNT: int
-''',
+""",
  file=interface,
  )
  for name in sorted(names):

dmoj/error.py

@@ -12,7 +12,7 @@ class InternalError(Exception):
 
 class OutputLimitExceeded(Exception):
  def __init__(self, stream, limit):
- super().__init__("exceeded %d-byte limit on %s stream" % (limit, stream))
+ super().__init__('exceeded %d-byte limit on %s stream' % (limit, stream))
 
 
 class InvalidCommandException(Exception):

dmoj/executors/ADA.py

@@ -5,13 +5,13 @@ class Executor(GCCExecutor):
  name = 'ADA'
  command = 'gnatmake'
  ext = 'adb'
- test_program = '''\
+ test_program = """\
 with Ada.Text_IO; use Ada.Text_IO;
 procedure Hello is
 begin
  Put_Line ("echo: Hello, World!");
 end Hello;
-'''
+"""
 
  @classmethod
  def get_version_flags(cls, command):

dmoj/executors/BF.py

@@ -4,7 +4,7 @@
 from dmoj.error import CompileError
 from dmoj.executors.C import Executor as CExecutor
 
-template = b'''\
+template = b"""\
 #define _GNU_SOURCE
 #include <errno.h>
 #include <stdio.h>
@@ -29,7 +29,7 @@
 
  {code}
 }
-'''
+"""
 
 trans = {
  ord('>'): b'++p;',

dmoj/executors/C.py

@@ -6,7 +6,7 @@ class Executor(GCCExecutor):
  flags = ['-std=c99']
  ext = 'c'
  name = 'C'
- test_program = '''
+ test_program = """
 #include <stdio.h>
 
 int main() {
@@ -15,4 +15,4 @@ class Executor(GCCExecutor):
  putchar(ch);
  return 0;
 }
-'''
+"""

dmoj/executors/C11.py

@@ -7,7 +7,7 @@ class Executor(GCCExecutor):
  command_paths = ['gcc']
  ext = 'c'
  name = 'C11'
- test_program = '''
+ test_program = """
 #include <stdio.h>
 
 int main() {
@@ -16,4 +16,4 @@ class Executor(GCCExecutor):
  putchar(ch);
  return 0;
 }
-'''
+"""

dmoj/executors/CBL.py

@@ -9,13 +9,13 @@ class Executor(CompiledExecutor):
  command = 'cobc'
  address_grace = 131072
  compile_output_index = 0
- test_program = '''\
+ test_program = """\
  IDENTIFICATION DIVISION.
  PROGRAM-ID. HELLO-WORLD.
  PROCEDURE DIVISION.
  DISPLAY 'echo: Hello, World!'.
  STOP RUN.
-''' # noqa: W191
+""" # noqa: W191
 
  def get_compile_args(self):
  return [self.get_command(), '-x', '-free', self._code]

dmoj/executors/COFFEE.py

@@ -20,12 +20,12 @@ class Executor(ScriptExecutor):
  'eventfd2',
  'statx',
  ]
- test_program = '''\
+ test_program = """\
 process.stdin.on 'readable', () ->
  chunk = process.stdin.read()
  if chunk != null
  process.stdout.write chunk
-'''
+"""
  address_grace = 1048576
 
  @classmethod

dmoj/executors/CPP03.py

@@ -8,14 +8,14 @@ class Executor(GCCExecutor):
  std: Optional[str] = None
  ext = 'cpp'
  name = 'CPP03'
- test_program = '''
+ test_program = """
 #include <iostream>
 
 int main() {
  std::cout << std::cin.rdbuf();
  return 0;
 }
-'''
+"""
 
  def get_flags(self):
  return (['-std=%s' % self.std] if self.std else []) + super().get_flags()

dmoj/executors/CPP11.py

@@ -6,12 +6,12 @@ class Executor(CPPExecutor):
  command_paths = ['g++-5', 'g++-4.9', 'g++-4.8', 'g++']
  std = 'c++11'
  name = 'CPP11'
- test_program = '''
+ test_program = """
 #include <iostream>
 
 int main() {
  auto input = std::cin.rdbuf();
  std::cout << input;
  return 0;
 }
-'''
+"""

dmoj/executors/CPP14.py

@@ -6,7 +6,7 @@ class Executor(CPPExecutor):
  command_paths = ['g++-5', 'g++']
  std = 'c++14'
  name = 'CPP14'
- test_program = '''
+ test_program = """
 #include <iostream>
 
 auto input() {
@@ -17,4 +17,4 @@ class Executor(CPPExecutor):
  std::cout << input();
  return 0;
 }
-'''
+"""

dmoj/executors/CPP17.py

@@ -6,7 +6,7 @@ class Executor(CPPExecutor):
  command_paths = ['g++-7', 'g++']
  std = 'c++17'
  name = 'CPP17'
- test_program = '''
+ test_program = """
 #include <iostream>
 
 int main() {
@@ -15,4 +15,4 @@ class Executor(CPPExecutor):
  std::cout << input;
  return 0;
 }
-'''
+"""

dmoj/executors/CPP20.py

@@ -6,7 +6,7 @@ class Executor(CPPExecutor):
  command_paths = ['g++-11', 'g++']
  std = 'c++20'
  name = 'CPP20'
- test_program = '''
+ test_program = """
 #include <iostream>
 
 int main() {
@@ -15,4 +15,4 @@ class Executor(CPPExecutor):
  std::cout << input;
  return 0;
 }
-'''
+"""

dmoj/executors/D.py

@@ -6,13 +6,13 @@ class Executor(CompiledExecutor):
  name = 'D'
  address_grace = 32768
  command = 'dmd'
- test_program = '''\
+ test_program = """\
 import std.stdio;
 
 void main() {
  writeln(readln());
 }
-'''
+"""
  source_filename_format = 'main.{ext}'
 
  def get_compile_args(self):

dmoj/executors/DART.py

@@ -8,11 +8,11 @@ class Executor(CompiledExecutor):
  name = 'DART'
  nproc = -1 # Dart uses a really, really large number of threads
  command = 'dart'
- test_program = '''
+ test_program = """
 void main() {
  print("echo: Hello, World!");
 }
-'''
+"""
  address_grace = 128 * 1024
 
  syscalls = ['epoll_create', 'epoll_ctl', 'epoll_wait', 'timerfd_settime', 'memfd_create', 'ftruncate']

dmoj/executors/F95.py

@@ -5,9 +5,9 @@ class Executor(GCCExecutor):
  name = 'F95'
  command = 'gfortran'
  ext = 'f95'
- test_program = '''\
+ test_program = """\
 character(100) :: line
 read(*,'(A)') line
 write(*,'(A)') line
 end
-'''
+"""

dmoj/executors/FORTH.py

@@ -5,11 +5,11 @@ class Executor(ScriptExecutor):
  name = 'FORTH'
  command = 'gforth'
  ext = 'fs'
- test_program = '''\
+ test_program = """\
 : HELLO ( -- ) ." echo: Hello, World!" CR ;
 
 HELLO
-'''
+"""
  fs = [r'/\.gforth-history$']
 
  def get_cmdline(self, **kwargs):

dmoj/executors/GAS32.py

@@ -5,7 +5,7 @@ class Executor(PlatformX86Mixin, GASExecutor):
  as_name = 'as_x86'
  name = 'GAS32'
 
- test_program = r'''.intel_syntax noprefix
+ test_program = r""".intel_syntax noprefix
 
 .text
 .global _start
@@ -35,4 +35,4 @@ class Executor(PlatformX86Mixin, GASExecutor):
 .bss
 buffer:
  .skip 4096
-''' # noqa: W191
+""" # noqa: W191

dmoj/executors/GAS64.py

@@ -5,7 +5,7 @@ class Executor(PlatformX64Mixin, GASExecutor):
  as_name = 'as_x64'
  name = 'GAS64'
 
- test_program = r'''.intel_syntax noprefix
+ test_program = r""".intel_syntax noprefix
 
 .text
 .global _start
@@ -35,4 +35,4 @@ class Executor(PlatformX64Mixin, GASExecutor):
 .bss
 buffer:
  .skip 4096
-''' # noqa: W191
+""" # noqa: W191

dmoj/executors/GASARM.py

@@ -15,7 +15,7 @@ class Executor(GASExecutor):
  crt_pre = env.runtime.crt_pre_arm or ['/usr/lib/arm-linux-gnueabihf/crt1.o', '/usr/lib/arm-linux-gnueabihf/crti.o']
  crt_post = env.runtime.crt_post_arm or ['/usr/lib/arm-linux-gnueabihf/crtn.o']
  name = 'GASARM'
- test_program = r'''
+ test_program = r"""
 .global _start
 _start:
  mov r7, #4
@@ -28,4 +28,4 @@ class Executor(GASExecutor):
 .data
 string:
  .ascii "echo: Hello, World!\n"
-'''
+"""

dmoj/executors/GO.py

@@ -22,7 +22,7 @@ class Executor(CompiledExecutor):
  command = 'go'
  syscalls = ['mincore', 'epoll_create1', 'epoll_ctl', 'epoll_pwait', 'pselect6', 'mlock']
  test_name = 'echo'
- test_program = '''\
+ test_program = """\
 package main
 
 import "os"
@@ -33,7 +33,7 @@ class Executor(CompiledExecutor):
  bio := bufio.NewReader(os.Stdin)
  text, _ := bio.ReadString(0)
  fmt.Print(text)
-}'''
+}"""
 
  def get_compile_env(self):
  return {

dmoj/executors/GROOVY.py

@@ -16,9 +16,9 @@ class Executor(JavaExecutor):
  vm = 'groovy_vm'
  security_policy = policy
 
- test_program = '''\
+ test_program = """\
 println System.in.newReader().readLine()
-'''
+"""
 
  def create_files(self, problem_id, source_code, *args, **kwargs):
  super().create_files(problem_id, source_code, *args, **kwargs)