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Use implicit defaults for auto_attribs

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It reads much nicer.
This commit is contained in:
Łukasz Langa 2018-03-16 17:42:57 -07:00
parent 9c9f6eb6d5
commit 28d1442d57
1 changed files with 21 additions and 21 deletions
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42
black.py
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@ -12,7 +12,7 @@
Dict, Generic, Iterable, Iterator, List, Optional, Set, Tuple, TypeVar, Union
)
from attr import attrib, dataclass, Factory
from attr import dataclass, Factory
import click
# lib2to3 fork
@ -265,7 +265,7 @@ def visit_default(self, node: LN) -> Iterator[T]:
@dataclass
class DebugVisitor(Visitor[T]):
tree_depth: int = attrib(default=0)
tree_depth: int = 0
def visit_default(self, node: LN) -> Iterator[T]:
indent = ' ' * (2 * self.tree_depth)
@ -335,10 +335,10 @@ def visit_default(self, node: LN) -> Iterator[T]:
@dataclass
class BracketTracker:
depth: int = attrib(default=0)
bracket_match: Dict[Tuple[Depth, NodeType], Leaf] = attrib(default=Factory(dict))
delimiters: Dict[LeafID, Priority] = attrib(default=Factory(dict))
previous: Optional[Leaf] = attrib(default=None)
depth: int = 0
bracket_match: Dict[Tuple[Depth, NodeType], Leaf] = Factory(dict)
delimiters: Dict[LeafID, Priority] = Factory(dict)
previous: Optional[Leaf] = None
def mark(self, leaf: Leaf) -> None:
if leaf.type == token.COMMENT:
@ -389,13 +389,13 @@ def max_priority(self, exclude: Iterable[LeafID] =()) -> int:
@dataclass
class Line:
depth: int = attrib(default=0)
leaves: List[Leaf] = attrib(default=Factory(list))
comments: Dict[LeafID, Leaf] = attrib(default=Factory(dict))
bracket_tracker: BracketTracker = attrib(default=Factory(BracketTracker))
inside_brackets: bool = attrib(default=False)
has_for: bool = attrib(default=False)
_for_loop_variable: bool = attrib(default=False, init=False)
depth: int = 0
leaves: List[Leaf] = Factory(list)
comments: Dict[LeafID, Leaf] = Factory(dict)
bracket_tracker: BracketTracker = Factory(BracketTracker)
inside_brackets: bool = False
has_for: bool = False
_for_loop_variable: bool = False
def append(self, leaf: Leaf, preformatted: bool = False) -> None:
has_value = leaf.value.strip()
@ -611,9 +611,9 @@ class EmptyLineTracker:
Note: this tracker works on lines that haven't been split yet.
"""
previous_line: Optional[Line] = attrib(default=None)
previous_after: int = attrib(default=0)
previous_defs: List[int] = attrib(default=Factory(list))
previous_line: Optional[Line] = None
previous_after: int = 0
previous_defs: List[int] = Factory(list)
def maybe_empty_lines(self, current_line: Line) -> Tuple[int, int]:
"""Returns the number of extra empty lines before and after the `current_line`.
@ -679,8 +679,8 @@ class LineGenerator(Visitor[Line]):
Note: destroys the tree it's visiting by mutating prefixes of its leaves
in ways that will no longer stringify to valid Python code on the tree.
"""
current_line: Line = attrib(default=Factory(Line))
standalone_comments: List[Leaf] = attrib(default=Factory(list))
current_line: Line = Factory(Line)
standalone_comments: List[Leaf] = Factory(list)
def line(self, indent: int = 0) -> Iterator[Line]:
"""Generate a line.
@ -1383,9 +1383,9 @@ def gen_python_files_in_dir(path: Path) -> Iterator[Path]:
@dataclass
class Report:
"""Provides a reformatting counter."""
change_count: int = attrib(default=0)
same_count: int = attrib(default=0)
failure_count: int = attrib(default=0)
change_count: int = 0
same_count: int = 0
failure_count: int = 0
def done(self, src: Path, changed: bool) -> None:
"""Increment the counter for successful reformatting. Write out a message."""