90 lines
2.9 KiB
Python
90 lines
2.9 KiB
Python
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import os
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import re
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from logging import Logger
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from os import DirEntry
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from typing import AbstractSet, Dict, List, Optional, Set, Tuple, cast
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from ._const import (
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IGNORE_DIRS,
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SPHINX_BUILD_TARGET,
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TARGETS,
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Category,
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DeleteEntry,
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EntryType,
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RemoveTarget,
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)
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from ._manipulator import DirEntryManipulator
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class Finder:
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def __init__(
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self,
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logger: Logger,
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manipulator: DirEntryManipulator,
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exclude_pattern: Optional[str],
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include_categories: AbstractSet[str],
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) -> None:
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self.__logger = logger
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self.__manipulator = manipulator
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self.__include_categories = include_categories
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self.__target_map = self.__make_target_map()
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self.__exclude_pattern = re.compile(exclude_pattern) if exclude_pattern else None
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self.__delete_entries: Set[DeleteEntry] = set()
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logger.debug(f"exclude_pattern: {exclude_pattern}")
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logger.debug(f"include_categories: {include_categories}")
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def is_remove_entry(self, entry: DirEntry) -> Tuple[bool, Optional[RemoveTarget]]:
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for target in self.__target_map.get(self.__manipulator.get_entry_type(entry), []):
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if target.regexp.search(entry.name):
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return (True, target)
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if Category.BUILD in self.__include_categories:
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if entry.name == "_build" and SPHINX_BUILD_TARGET.regexp.search(entry.path) is not None:
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return (True, target)
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return (False, None)
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def is_skip_entry(self, entry: DirEntry) -> bool:
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if self.__exclude_pattern and self.__exclude_pattern.search(entry.name):
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self.__logger.debug(f"match exclude pattern: {entry.path}")
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return True
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if self.__manipulator.is_dir(entry) and entry.name in IGNORE_DIRS:
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return True
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return False
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def get_delete_entries(self) -> AbstractSet[DeleteEntry]:
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return self.__delete_entries
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def traverse(self, root: str) -> AbstractSet[DeleteEntry]:
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with os.scandir(root) as it:
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for entry in it:
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if self.is_skip_entry(entry):
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self.__logger.debug(f"skip entry: {entry.path}")
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continue
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is_remove, remove_target = self.is_remove_entry(entry)
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if is_remove:
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self.__logger.debug(f"add delete target: {entry.path}")
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self.__delete_entries.add((entry, cast(RemoveTarget, remove_target)))
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continue
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if self.__manipulator.is_dir(entry):
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self.traverse(entry.path)
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return self.__delete_entries
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def __make_target_map(self) -> Dict[EntryType, List[RemoveTarget]]:
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target_map: Dict[EntryType, List[RemoveTarget]] = {}
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for target in TARGETS:
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if target.category not in self.__include_categories:
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continue
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target_map.setdefault(target.target_type, []).append(target)
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return target_map
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