Apply a few ruff/refurb rules (FURB)

I have fixed the few cases which I think result in more readable code.

backend/src/hatchling/builders/binary.py

@@ -157,7 +157,7 @@ def build_bootstrap(
 
  if self.config.scripts:
  for script in self.config.scripts:
- env = dict(base_env)
+ env = base_env.copy()
  env['PYAPP_EXEC_SPEC'] = self.metadata.core.scripts[script]
 
  self.cargo_build(install_command, cwd=context_dir, env=env)

backend/src/hatchling/builders/utils.py

@@ -24,7 +24,7 @@ def safe_walk(path: str) -> Iterable[tuple[str, list[str], list[str]]]:
  stat = os.stat(root)
  identifier = stat.st_dev, stat.st_ino
  if identifier in seen:
- del dirs[:]
+ dirs.clear()
  continue
 
  seen.add(identifier)

backend/src/hatchling/dep/core.py

@@ -70,7 +70,7 @@ def dependency_in_sync(
  if extra not in available_extras:
  return False
 
- extra_environment = dict(environment)
+ extra_environment = environment.copy()
  extra_environment['extra'] = extra
  if not dependency_in_sync(transitive_requirement, extra_environment, installed_distributions):
  return False

src/hatch/cli/new/__init__.py

@@ -100,12 +100,11 @@ def new(app, name, location, interactive, feature_cli, initialize, setuptools_op
 
  template_classes = app.plugins.template.collect()
 
- templates = []
- for template_name, template_class in sorted(template_classes.items(), key=lambda item: -item[1].PRIORITY):
- if template_name in plugin_config:
- templates.append(
- template_class(plugin_config.pop(template_name), app.cache_dir, datetime.now(timezone.utc))
- )
+ templates = (
+ template_class(plugin_config.pop(template_name), app.cache_dir, datetime.now(timezone.utc))
+ for template_name, template_class in sorted(template_classes.items(), key=lambda item: -item[1].PRIORITY)
+ if template_name in plugin_config
+ )
 
  if not templates:
  app.abort(f'None of the defined plugins were found: {", ".join(sorted(plugin_config))}')

src/hatch/template/files_default.py

@@ -109,7 +109,7 @@ class PyProject(File):
 """
 
  def __init__(self, template_config: dict, plugin_config: dict):
- template_config = dict(template_config)
+ template_config = template_config.copy()
  template_config['name'] = repr(template_config['name'])[1:-1]
 
  project_url_data = ''

src/hatch/utils/fs.py

@@ -38,7 +38,7 @@ def long_id(self) -> str:
  from hashlib import sha256
 
  path = str(self)
- if sys.platform == 'win32' or sys.platform == 'darwin':
+ if sys.platform in {'win32', 'darwin'}:
  path = path.casefold()
 
  digest = sha256(path.encode('utf-8')).digest()

tests/cli/publish/test_publish.py

@@ -34,11 +34,7 @@ def remove_metadata_field(field: str, metadata_file_contents: str):
  lines = metadata_file_contents.splitlines(True)
 
  field_marker = f'{field}: '
- indices_to_remove = []
-
- for i, line in enumerate(lines):
- if line.lower().startswith(field_marker):
- indices_to_remove.append(i)
+ indices_to_remove = (i for i, line in enumerate(lines) if line.lower().startswith(field_marker))
 
  for i, index in enumerate(indices_to_remove):
  del lines[index - i]

tests/helpers/templates/wheel/utils.py

@@ -36,8 +36,7 @@ def update_record_file_contents(record_file, files, generated_files=()):
  ):
  raw_contents = raw_contents.replace(b'\n', b'\r\n')
 
- hash_obj = hashlib.sha256()
- hash_obj.update(raw_contents)
+ hash_obj = hashlib.sha256(raw_contents)
  hash_digest = format_file_hash(hash_obj.digest())
  record_file.contents += f'{template_file.path.as_posix()},sha256={hash_digest},{len(raw_contents)}\n'