Merge bitcoin/bitcoin#28725: test: refactor: use built-in collection types for type hints (Python 3.9 / PEP 585)

a478c81 test: replace `Callable`/`Iterable` with their `collections.abc` alternative (PEP 585) (stickies-v)
4b9afb1 scripted-diff: use PEP 585 built-in collection types for verify-binary script (Sebastian Falbesoner)
d516cf8 test: use built-in collection types for type hints (Python 3.9 / PEP 585) (Sebastian Falbesoner)

Pull request description:

  With Python 3.9 / [PEP 585](https://peps.python.org/pep-0585/), [type hinting has become a little less awkward](https://docs.python.org/3.9/whatsnew/3.9.html#type-hinting-generics-in-standard-collections), as for collection types one doesn't need to import the corresponding capitalized types (`Dict`, `List`, `Set`, `Tuple`, ...) anymore, but can use the built-in types directly (see  https://peps.python.org/pep-0585/#implementation for the full list).

  This PR applies the replacement for all Python scripts (i.e. in the contrib and test folders) for the basic types, i.e.:

  - typing.Dict -> dict
  - typing.List -> list
  - typing.Set  -> set
  - typing.Tuple -> tuple

  For an additional check, I ran mypy 1.6.1 on both master and the PR branch via
  ```
  $ mypy --ignore-missing-imports --explicit-package-bases $(git ls-files "*.py")
  ```
  and verified that the output is identical -- (from the 22 identified problems, most look like false-positives, it's probably worth it to go deeper here and address them in a follow-up though).

ACKs for top commit:
  stickies-v:
    ACK a478c81
  fanquake:
    ACK a478c81

Tree-SHA512: 6948c905f6abd644d84f09fcb3661d7edb2742e8f2b28560008697d251d77a61a1146ab4b070e65b0d27acede7a5256703da7bf6eb1c7c3a897755478c76c6e8

Author: fanquake

contrib/devtools/circular-dependencies.py

@@ -5,7 +5,6 @@
 
 import sys
 import re
-from typing import Dict, List, Set
 
 MAPPING = {
     'core_read.cpp': 'core_io.cpp',
@@ -33,7 +32,7 @@ def module_name(path):
     return None
 
 files = dict()
-deps: Dict[str, Set[str]] = dict()
+deps: dict[str, set[str]] = dict()
 
 RE = re.compile("^#include <(.*)>")
 
@@ -65,7 +64,7 @@ def module_name(path):
     shortest_cycle = None
     for module in sorted(deps.keys()):
         # Build the transitive closure of dependencies of module
-        closure: Dict[str, List[str]] = dict()
+        closure: dict[str, list[str]] = dict()
         for dep in deps[module]:
             closure[dep] = []
         while True:

contrib/devtools/security-check.py

@@ -8,7 +8,6 @@
 Otherwise the exit status will be 1 and it will log which executables failed which checks.
 '''
 import sys
-from typing import List
 
 import lief
 
@@ -255,7 +254,7 @@ def check_MACHO_control_flow(binary) -> bool:
                 retval = 1
                 continue
 
-            failed: List[str] = []
+            failed: list[str] = []
             for (name, func) in CHECKS[etype][arch]:
                 if not func(binary):
                     failed.append(name)

contrib/devtools/symbol-check.py

@@ -11,7 +11,6 @@
     find ../path/to/binaries -type f -executable | xargs python3 contrib/devtools/symbol-check.py
 '''
 import sys
-from typing import List, Dict
 
 import lief
 
@@ -53,7 +52,7 @@
 
 # Expected linker-loader names can be found here:
 # https://sourceware.org/glibc/wiki/ABIList?action=recall&rev=16
-ELF_INTERPRETER_NAMES: Dict[lief.ELF.ARCH, Dict[lief.ENDIANNESS, str]] = {
+ELF_INTERPRETER_NAMES: dict[lief.ELF.ARCH, dict[lief.ENDIANNESS, str]] = {
     lief.ELF.ARCH.x86_64:  {
         lief.ENDIANNESS.LITTLE: "/lib64/ld-linux-x86-64.so.2",
     },
@@ -72,7 +71,7 @@
     },
 }
 
-ELF_ABIS: Dict[lief.ELF.ARCH, Dict[lief.ENDIANNESS, List[int]]] = {
+ELF_ABIS: dict[lief.ELF.ARCH, dict[lief.ENDIANNESS, list[int]]] = {
     lief.ELF.ARCH.x86_64: {
         lief.ENDIANNESS.LITTLE: [3,2,0],
     },
@@ -302,7 +301,7 @@ def check_ELF_ABI(binary) -> bool:
                 retval = 1
                 continue
 
-            failed: List[str] = []
+            failed: list[str] = []
             for (name, func) in CHECKS[etype]:
                 if not func(binary):
                     failed.append(name)

contrib/devtools/test-security-check.py

@@ -8,7 +8,6 @@
 import lief
 import os
 import subprocess
-from typing import List
 import unittest
 
 from utils import determine_wellknown_cmd
@@ -34,7 +33,7 @@ def call_security_check(cc: str, source: str, executable: str, options) -> tuple
     #
     # See the definitions for ac_link in autoconf's lib/autoconf/c.m4 file for
     # reference.
-    env_flags: List[str] = []
+    env_flags: list[str] = []
     for var in ['CFLAGS', 'CPPFLAGS', 'LDFLAGS']:
         env_flags += filter(None, os.environ.get(var, '').split(' '))
 

contrib/devtools/test-symbol-check.py

@@ -7,18 +7,17 @@
 '''
 import os
 import subprocess
-from typing import List
 import unittest
 
 from utils import determine_wellknown_cmd
 
-def call_symbol_check(cc: List[str], source, executable, options):
+def call_symbol_check(cc: list[str], source, executable, options):
     # This should behave the same as AC_TRY_LINK, so arrange well-known flags
     # in the same order as autoconf would.
     #
     # See the definitions for ac_link in autoconf's lib/autoconf/c.m4 file for
     # reference.
-    env_flags: List[str] = []
+    env_flags: list[str] = []
     for var in ['CFLAGS', 'CPPFLAGS', 'LDFLAGS']:
         env_flags += filter(None, os.environ.get(var, '').split(' '))
 
@@ -28,7 +27,7 @@ def call_symbol_check(cc: List[str], source, executable, options):
     os.remove(executable)
     return (p.returncode, p.stdout.rstrip())
 
-def get_machine(cc: List[str]):
+def get_machine(cc: list[str]):
     p = subprocess.run([*cc,'-dumpmachine'], stdout=subprocess.PIPE, text=True)
     return p.stdout.rstrip()
 

contrib/devtools/utils.py

@@ -8,10 +8,9 @@
 import shutil
 import sys
 import os
-from typing import List
 
 
-def determine_wellknown_cmd(envvar, progname) -> List[str]:
+def determine_wellknown_cmd(envvar, progname) -> list[str]:
     maybe_env = os.getenv(envvar)
     maybe_which = shutil.which(progname)
     if maybe_env:

contrib/macdeploy/macdeployqtplus

@@ -20,7 +20,7 @@ import sys, re, os, platform, shutil, stat, subprocess, os.path
 from argparse import ArgumentParser
 from pathlib import Path
 from subprocess import PIPE, run
-from typing import List, Optional
+from typing import Optional
 
 # This is ported from the original macdeployqt with modifications
 
@@ -181,7 +181,7 @@ class DeploymentInfo(object):
                     return True
         return False
 
-def getFrameworks(binaryPath: str, verbose: int) -> List[FrameworkInfo]:
+def getFrameworks(binaryPath: str, verbose: int) -> list[FrameworkInfo]:
     if verbose:
         print(f"Inspecting with otool: {binaryPath}")
     otoolbin=os.getenv("OTOOL", "otool")
@@ -285,7 +285,7 @@ def copyFramework(framework: FrameworkInfo, path: str, verbose: int) -> Optional
 
     return toPath
 
-def deployFrameworks(frameworks: List[FrameworkInfo], bundlePath: str, binaryPath: str, strip: bool, verbose: int, deploymentInfo: Optional[DeploymentInfo] = None) -> DeploymentInfo:
+def deployFrameworks(frameworks: list[FrameworkInfo], bundlePath: str, binaryPath: str, strip: bool, verbose: int, deploymentInfo: Optional[DeploymentInfo] = None) -> DeploymentInfo:
     if deploymentInfo is None:
         deploymentInfo = DeploymentInfo()
 

contrib/message-capture/message-capture-parser.py

@@ -11,7 +11,7 @@
 from io import BytesIO
 import json
 from pathlib import Path
-from typing import Any, List, Optional
+from typing import Any, Optional
 
 sys.path.append(os.path.join(os.path.dirname(__file__), '../../test/functional'))
 
@@ -92,7 +92,7 @@ def to_jsonable(obj: Any) -> Any:
         return obj
 
 
-def process_file(path: str, messages: List[Any], recv: bool, progress_bar: Optional[ProgressBar]) -> None:
+def process_file(path: str, messages: list[Any], recv: bool, progress_bar: Optional[ProgressBar]) -> None:
     with open(path, 'rb') as f_in:
         if progress_bar:
             bytes_read = 0
@@ -188,7 +188,7 @@ def main():
     output = Path.cwd() / Path(args.output) if args.output else False
     use_progress_bar = (not args.no_progress_bar) and sys.stdout.isatty()
 
-    messages = []   # type: List[Any]
+    messages = []   # type: list[Any]
     if use_progress_bar:
         total_size = sum(capture.stat().st_size for capture in capturepaths)
         progress_bar = ProgressBar(total_size)