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import locale
import os
import re
import sys
from pathlib import Path
from typing import Any, Optional, Tuple
from warnings import warn
from . import api, settings
from .exceptions import ExistingSyntaxErrors, FileSkipped, IntroducedSyntaxErrors
from .format import ask_whether_to_apply_changes_to_file, show_unified_diff
from .io import File
from .settings import Config
def get_settings_path(settings_path: Optional[Path], current_file_path: Optional[Path]) -> Path:
if settings_path:
return settings_path
if current_file_path:
return current_file_path.resolve().parent
else:
return Path.cwd()
class SortImports:
incorrectly_sorted = False
skipped = False
def __init__(
self,
filename: Optional[str] = None,
file_contents: str = "",
write_to_stdout: bool = False,
check: bool = False,
show_diff: bool = False,
settings_path: Optional[str] = None,
ask_to_apply: bool = False,
run_path: str = "",
check_skip: bool = True,
extension: str = "",
**setting_overrides: Any,
):
file_encoding = "utf-8"
file_path: Optional[Path] = None
if filename:
if file_contents:
file_data = File.from_contents(file_contents, filename=filename)
else:
file_data = File.read(filename)
file_contents, file_path, file_encoding = file_data
if not extension:
extension = file_data.extension
if settings_path:
setting_overrides["settings_path"] = settings_path
elif file_path and "settings_file" not in setting_overrides:
setting_overrides["settings_path"] = file_path.parent
config = Config(**setting_overrides)
try:
if check:
self.incorrectly_sorted = not api.check_imports(
file_contents,
extension=extension,
config=config,
file_path=file_path,
show_diff=show_diff,
)
self.output = ""
return
else:
self.output = api.sorted_imports(
file_contents, extension=extension, config=config, file_path=file_path
)
except FileSkipped as error:
self.skipped = True
self.output = ""
if config.verbose:
warn(str(error))
return
except ExistingSyntaxErrors:
warn("{file_path} unable to sort due to existing syntax errors")
self.output = file_contents
return
except IntroducedSyntaxErrors:
warn("{file_path} unable to sort as isort introduces new syntax errors")
self.output = file_contents
return
if show_diff:
show_unified_diff(
file_input=file_contents, file_output=self.output, file_path=file_path
)
elif write_to_stdout:
sys.stdout.write(self.output)
elif file_path and not check:
# if file_name resolves to True, file_path never None or ''
if self.output == file_contents:
return
if ask_to_apply:
show_unified_diff(
file_input=file_contents, file_output=self.output, file_path=file_path
)
apply_changes = ask_whether_to_apply_changes_to_file(str(file_path))
if not apply_changes:
return
with file_path.open("w", encoding=file_encoding, newline="") as output_file:
if not config.quiet:
print(f"Fixing {file_path}")
output_file.write(self.output)
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