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Mini Shell
import copy
import re
from typing import List, Optional, Sequence
from .settings import DEFAULT_CONFIG, Config
from .wrap_modes import WrapModes as Modes
from .wrap_modes import formatter_from_string, vertical_hanging_indent
def import_statement(
import_start: str,
from_imports: List[str],
comments: Sequence[str] = (),
line_separator: str = "\n",
config: Config = DEFAULT_CONFIG,
multi_line_output: Optional[Modes] = None,
explode: bool = False,
) -> str:
"""Returns a multi-line wrapped form of the provided from import statement."""
if explode:
formatter = vertical_hanging_indent
line_length = 1
include_trailing_comma = True
else:
formatter = formatter_from_string((multi_line_output or config.multi_line_output).name)
line_length = config.wrap_length or config.line_length
include_trailing_comma = config.include_trailing_comma
dynamic_indent = " " * (len(import_start) + 1)
indent = config.indent
statement = formatter(
statement=import_start,
imports=copy.copy(from_imports),
white_space=dynamic_indent,
indent=indent,
line_length=line_length,
comments=comments,
line_separator=line_separator,
comment_prefix=config.comment_prefix,
include_trailing_comma=include_trailing_comma,
remove_comments=config.ignore_comments,
)
if config.balanced_wrapping:
lines = statement.split(line_separator)
line_count = len(lines)
if len(lines) > 1:
minimum_length = min(len(line) for line in lines[:-1])
else:
minimum_length = 0
new_import_statement = statement
while len(lines[-1]) < minimum_length and len(lines) == line_count and line_length > 10:
statement = new_import_statement
line_length -= 1
new_import_statement = formatter(
statement=import_start,
imports=copy.copy(from_imports),
white_space=dynamic_indent,
indent=indent,
line_length=line_length,
comments=comments,
line_separator=line_separator,
comment_prefix=config.comment_prefix,
include_trailing_comma=include_trailing_comma,
remove_comments=config.ignore_comments,
)
lines = new_import_statement.split(line_separator)
if statement.count(line_separator) == 0:
return _wrap_line(statement, line_separator, config)
return statement
def line(content: str, line_separator: str, config: Config = DEFAULT_CONFIG) -> str:
"""Returns a line wrapped to the specified line-length, if possible."""
wrap_mode = config.multi_line_output
if len(content) > config.line_length and wrap_mode != Modes.NOQA: # type: ignore
line_without_comment = content
comment = None
if "#" in content:
line_without_comment, comment = content.split("#", 1)
for splitter in ("import ", "cimport ", ".", "as "):
exp = r"\b" + re.escape(splitter) + r"\b"
if re.search(exp, line_without_comment) and not line_without_comment.strip().startswith(
splitter
):
line_parts = re.split(exp, line_without_comment)
if comment and not (config.use_parentheses and "noqa" in comment):
_comma_maybe = (
","
if (
config.include_trailing_comma
and config.use_parentheses
and not line_without_comment.rstrip().endswith(",")
)
else ""
)
line_parts[
-1
] = f"{line_parts[-1].strip()}{_comma_maybe}{config.comment_prefix}{comment}"
next_line = []
while (len(content) + 2) > (
config.wrap_length or config.line_length
) and line_parts:
next_line.append(line_parts.pop())
content = splitter.join(line_parts)
if not content:
content = next_line.pop()
cont_line = _wrap_line(
config.indent + splitter.join(next_line).lstrip(),
line_separator,
config,
)
if config.use_parentheses:
if splitter == "as ":
output = f"{content}{splitter}{cont_line.lstrip()}"
else:
_comma = "," if config.include_trailing_comma and not comment else ""
if wrap_mode in (
Modes.VERTICAL_HANGING_INDENT, # type: ignore
Modes.VERTICAL_GRID_GROUPED, # type: ignore
):
_separator = line_separator
else:
_separator = ""
_comment = ""
if comment and "noqa" in comment:
_comment = f"{config.comment_prefix}{comment}"
cont_line = cont_line.rstrip()
_comma = "," if config.include_trailing_comma else ""
output = (
f"{content}{splitter}({_comment}"
f"{line_separator}{cont_line}{_comma}{_separator})"
)
lines = output.split(line_separator)
if config.comment_prefix in lines[-1] and lines[-1].endswith(")"):
content, comment = lines[-1].split(config.comment_prefix, 1)
lines[-1] = content + ")" + config.comment_prefix + comment[:-1]
return line_separator.join(lines)
return f"{content}{splitter}\\{line_separator}{cont_line}"
elif len(content) > config.line_length and wrap_mode == Modes.NOQA and "# NOQA" not in content: # type: ignore
return f"{content}{config.comment_prefix} NOQA"
return content
_wrap_line = line
Zerion Mini Shell 1.0