Current File : //opt/cloudlinux/venv/lib/python3.11/site-packages/isort/sorting.py
import re
from typing import TYPE_CHECKING, Any, Callable, Iterable, List, Optional
if TYPE_CHECKING:
from .settings import Config
else:
Config = Any
_import_line_intro_re = re.compile("^(?:from|import) ")
_import_line_midline_import_re = re.compile(" import ")
def module_key(
module_name: str,
config: Config,
sub_imports: bool = False,
ignore_case: bool = False,
section_name: Optional[Any] = None,
straight_import: Optional[bool] = False,
) -> str:
match = re.match(r"^(\.+)\s*(.*)", module_name)
if match:
sep = " " if config.reverse_relative else "_"
module_name = sep.join(match.groups())
prefix = ""
if ignore_case:
module_name = str(module_name).lower()
else:
module_name = str(module_name)
if sub_imports and config.order_by_type:
if module_name in config.constants:
prefix = "A"
elif module_name in config.classes:
prefix = "B"
elif module_name in config.variables:
prefix = "C"
elif module_name.isupper() and len(module_name) > 1: # see issue #376
prefix = "A"
elif module_name in config.classes or module_name[0:1].isupper():
prefix = "B"
else:
prefix = "C"
if not config.case_sensitive:
module_name = module_name.lower()
length_sort = (
config.length_sort
or (config.length_sort_straight and straight_import)
or str(section_name).lower() in config.length_sort_sections
)
_length_sort_maybe = (str(len(module_name)) + ":" + module_name) if length_sort else module_name
return f"{module_name in config.force_to_top and 'A' or 'B'}{prefix}{_length_sort_maybe}"
def section_key(line: str, config: Config) -> str:
section = "B"
if (
not config.sort_relative_in_force_sorted_sections
and config.reverse_relative
and line.startswith("from .")
):
match = re.match(r"^from (\.+)\s*(.*)", line)
if match: # pragma: no cover - regex always matches if line starts with "from ."
line = f"from {' '.join(match.groups())}"
if config.group_by_package and line.strip().startswith("from"):
line = line.split(" import", 1)[0]
if config.lexicographical:
line = _import_line_intro_re.sub("", _import_line_midline_import_re.sub(".", line))
else:
line = re.sub("^from ", "", line)
line = re.sub("^import ", "", line)
if config.sort_relative_in_force_sorted_sections:
sep = " " if config.reverse_relative else "_"
line = re.sub(r"^(\.+)", rf"\1{sep}", line)
if line.split(" ")[0] in config.force_to_top:
section = "A"
# * If honor_case_in_force_sorted_sections is true, and case_sensitive and
# order_by_type are different, only ignore case in part of the line.
# * Otherwise, let order_by_type decide the sorting of the whole line. This
# is only "correct" if case_sensitive and order_by_type have the same value.
if config.honor_case_in_force_sorted_sections and config.case_sensitive != config.order_by_type:
split_module = line.split(" import ", 1)
if len(split_module) > 1:
module_name, names = split_module
if not config.case_sensitive:
module_name = module_name.lower()
if not config.order_by_type:
names = names.lower()
line = " import ".join([module_name, names])
elif not config.case_sensitive:
line = line.lower()
elif not config.order_by_type:
line = line.lower()
return f"{section}{len(line) if config.length_sort else ''}{line}"
def sort(
config: Config,
to_sort: Iterable[str],
key: Optional[Callable[[str], Any]] = None,
reverse: bool = False,
) -> List[str]:
return config.sorting_function(to_sort, key=key, reverse=reverse)
def naturally(
to_sort: Iterable[str], key: Optional[Callable[[str], Any]] = None, reverse: bool = False
) -> List[str]:
"""Returns a naturally sorted list"""
if key is None:
key_callback = _natural_keys
else:
def key_callback(text: str) -> List[Any]:
return _natural_keys(key(text)) # type: ignore
return sorted(to_sort, key=key_callback, reverse=reverse)
def _atoi(text: str) -> Any:
return int(text) if text.isdigit() else text
def _natural_keys(text: str) -> List[Any]:
return [_atoi(c) for c in re.split(r"(\d+)", text)]
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