pocketutils.tools.filesys_tools.FilesysTools.verify_can_write_dirs() - Code Metrics - Inspection of "feat: add new batteries" - dmyersturnbull/pocketutils - Measure and Improve Code Quality continuously with Scrutinizer

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Push — main ( af1065...15d22f )

by Douglas
created 2023-07-09 01:44 UTC
FilesysTools.verify_can_write_dirs() B

↳ Parent: pocketutils.tools.filesys_tools
Complexity

Conditions
Size

Total Lines	22
Code Lines	12
Duplication

Lines	0
Ratio	0 %
Importance

Changes
Metric	Value
cc	8
eloc	12
nop	3
dl	0
loc	22
rs	7.3333
c	0
b	0
f	0
import bz2

import csv
import gzip
import logging
import os
import pathlib
import shutil
import stat
import sys
import tempfile
from collections.abc import Callable, Generator, Iterable, Mapping, Sequence
from contextlib import contextmanager
from datetime import datetime, timedelta
from pathlib import Path, PurePath
from typing import Any

import orjson

import regex

from defusedxml import ElementTree


from pocketutils.core.chars import Chars

from pocketutils.core.exceptions import (

    AlreadyUsedError,
    DirDoesNotExistError,
    FileDoesNotExistError,
    ParsingError,
    ReadPermissionsError,
    WritePermissionsError,
)
from pocketutils.core.input_output import OpenMode, PathLike, Writeable

from pocketutils.tools.path_info import PathInfo
from pocketutils.tools.path_tools import PathTools
from pocketutils.tools.sys_tools import SystemTools
from pocketutils.tools.unit_tools import UnitTools

logger = logging.getLogger("pocketutils")
COMPRESS_LEVEL = 9


class FilesysTools:

    """
    Tools for file/directory creation, etc.

    .. caution::
        Some functions may be insecure.
    """

    def get_encoding(self, encoding: str = "utf-8") -> str:
class Foo:
    def some_method(self, x, y):
        return x + y;
        """
        Returns a text encoding from a more flexible string.
        Ignores hyphens and lowercases the string.
        Permits these nonstandard shorthands:

          - ``"platform"``: use ``sys.getdefaultencoding()`` on the fly
          - ``"utf8(bom)"``: use ``"utf-8-sig"`` on Windows; ``"utf-8"`` otherwise
          - ``"utf16(bom)"``: use ``"utf-16-sig"`` on Windows; ``"utf-16"`` otherwise
          - ``"utf32(bom)"``: use ``"utf-32-sig"`` on Windows; ``"utf-32"`` otherwise
        """
        encoding = encoding.lower().replace("-", "")
        if encoding == "platform":
            encoding = sys.getdefaultencoding()
        if encoding == "utf8(bom)":
            encoding = "utf-8-sig" if os.name == "nt" else "utf-8"
        if encoding == "utf16(bom)":
            encoding = "utf-16-sig" if os.name == "nt" else "utf-16"
        if encoding == "utf32(bom)":
            encoding = "utf-32-sig" if os.name == "nt" else "utf-32"
        return encoding

    def get_encoding_errors(self, errors: str | None) -> str | None:
class Foo:
    def some_method(self, x, y):
        return x + y;
        """
        Returns the value passed as``errors=`` in ``open``.
        Raises:
            ValueError: If invalid
        """
        if errors is None:
            return "strict"
        if errors in (
            "strict",

            "ignore",

            "replace",

            "xmlcharrefreplace",

            "backslashreplace",

            "namereplace",

            "surrogateescape",

            "surrogatepass",

        ):
            return errors
        raise ValueError(f"Invalid value {errors} for errors")

    @classmethod
    def read_compressed_text(cls, path: PathLike) -> str:
        """
        Reads text from a text file, optionally gzipped or bz2-ed.
        Recognized suffixes for compression are ``.gz``, ``.gzip``, ``.bz2``, and ``.bzip2``.
        """
        path = Path(path)
        if path.name.endswith(".bz2") or path.name.endswith(".bzip2"):
            return bz2.decompress(path.read_bytes()).decode(encoding="utf-8")
        if path.name.endswith(".gz") or path.name.endswith(".gzip"):
            return gzip.decompress(path.read_bytes()).decode(encoding="utf-8")
        return Path(path).read_text(encoding="utf-8")

    @classmethod
    def write_compressed_text(cls, txt: str, path: PathLike, *, mkdirs: bool = False) -> None:
        """
        Writes text to a text file, optionally gzipped or bz2-ed.
        Recognized suffixes for compression are ``.gz``, ``.gzip``, ``.bz2``, and ``.bzip2``.
        """
        path = Path(path)
        if mkdirs:
            path.parent.mkdir(parents=True, exist_ok=True)
        if path.name.endswith(".bz2") or path.name.endswith(".bzip2"):
            data = bz2.compress(txt.encode(encoding="utf-8"))
            path.write_bytes(data)
        elif path.name.endswith(".gz") or path.name.endswith(".gzip"):
            data = gzip.compress(txt.encode(encoding="utf-8"))
            path.write_bytes(data)
        else:
            path.write_text(txt)

    @classmethod
    def get_info(

        cls, path: PathLike, *, expand_user: bool = False, strict: bool = False

    ) -> PathInfo:
        path = Path(path)
        has_ignore_error = hasattr(pathlib, "_ignore_error")
        if not has_ignore_error:
            logger.debug("No _ignore_error found; some OSErrors may be suppressed")
        resolved = None
        real_stat = None
        has_access = False
        has_read = False
        has_write = False
        link_stat = None
        as_of = datetime.now().astimezone()
        if has_ignore_error or path.is_symlink() or path.exists():
            link_stat = cls.__stat_raw(path)
        if link_stat is not None:
            if expand_user:
                resolved = path.expanduser().resolve(strict=strict)
            else:
                resolved = path.resolve(strict=strict)
            if stat.S_ISLNK(link_stat.st_mode):
                real_stat = cls.__stat_raw(resolved)
            else:
                real_stat = link_stat
            has_access = os.access(path, os.X_OK, follow_symlinks=True)
            has_read = os.access(path, os.R_OK, follow_symlinks=True)
            has_write = os.access(path, os.W_OK, follow_symlinks=True)
            if not stat.S_ISLNK(link_stat.st_mode):
                link_stat = None
        return PathInfo(
            source=path,
            resolved=resolved,
            as_of=as_of,
            real_stat=real_stat,
            link_stat=link_stat,
            has_access=has_access,
            has_read=has_read,
            has_write=has_write,
        )

    @classmethod
    def prep_dir(cls, path: PathLike, *, exist_ok: bool = True) -> bool:
        """
        Prepares a directory by making it if it doesn't exist.
        If exist_ok is False, calls ``logger.warning`` if ``path`` already exists
        """
        path = Path(path)
        exists = path.exists()
        # On some platforms we get generic exceptions like permissions errors,
        # so these are better
        if exists and not path.is_dir():
            raise DirDoesNotExistError(f"Path {path} exists but is not a file")
        if exists and not exist_ok:
            logger.warning(f"Directory {path} already exists")

        if not exists:
            # NOTE! exist_ok in mkdir throws an error on Windows
            path.mkdir(parents=True)
        return exists

    @classmethod
    def prep_file(cls, path: PathLike, *, exist_ok: bool = True) -> None:
        """
        Prepares a file path by making its parent directory.
        Same as ``pathlib.Path.mkdir`` but makes sure ``path`` is a file if it exists.
        """
        # On some platforms we get generic exceptions like permissions errors, so these are better
        path = Path(path)
        # check for errors first; don't make the dirs and then fail
        if path.exists() and not path.is_file() and not path.is_symlink():
            raise FileDoesNotExistError(f"Path {path} exists but is not a file")
        Path(path.parent).mkdir(parents=True, exist_ok=exist_ok)

    @classmethod
    def dump_error(cls, e: BaseException | None, path: PathLike | datetime | None = None) -> Path:

        """
        Writes a .json file containing the error message, stack trace, and sys info.
        System info is from :meth:`get_env_info`.
        """
        if path is None:
            path = f"err-dump-{cls.dt_for_filesys()}.json"
        elif isinstance(path, datetime):
            path = f"err-dump-{cls.dt_for_filesys(path)}.json"
        path = Path(path)
        data = cls.dump_error_as_dict(e)
        data = orjson.dumps(data, option=orjson.OPT_INDENT_2)
        path.write_bytes(data)
        return path

    @classmethod
    def dump_error_as_dict(cls, e: BaseException | None) -> Mapping[str, Any]:

        try:
            system = SystemTools.get_env_info()
        except BaseException as e2:

            system = f"UNKNOWN << {e2} >>"
        msg, tb = SystemTools.serialize_exception(e)

        tb = [t.as_dict() for t in tb]

        return dict(message=msg, stacktrace=tb, system=system)

    @classmethod
    def dt_for_filesys(cls, dt: datetime | None = None) -> str:

        if dt is None:
            dt = datetime.now()
        return dt.strftime("%Y-%m-%d_%H-%M-%S")

    @classmethod

    def verify_can_read_files(
        cls,

        *paths: str | Path,

        missing_ok: bool = False,

        attempt: bool = False,

    ) -> None:
        """
        Checks that all files can be written to, to ensure atomicity before operations.

        Args:
            *paths: The files
            missing_ok: Don't raise an error if a path doesn't exist
            attempt: Actually try opening

        Returns:
            ReadPermissionsError: If a path is not a file (modulo existence) or doesn't have 'W' set
        """
        paths = [Path(p) for p in paths]
        for path in paths:
            if path.exists() and not path.is_file():
                raise ReadPermissionsError(f"Path {path} is not a file", path=path)
            if (not missing_ok or path.exists()) and not os.access(path, os.R_OK):
                raise ReadPermissionsError(f"Cannot read from {path}", path=path)
            if attempt:
                try:
                    with open(path):
                        pass
                except OSError:
                    raise WritePermissionsError(f"Failed to open {path} for read", key=str(path))

    @classmethod

    def verify_can_write_files(
        cls,

        *paths: str | Path,

        missing_ok: bool = False,

        attempt: bool = False,

    ) -> None:
        """
        Checks that all files can be written to, to ensure atomicity before operations.

        Args:
            *paths: The files
            missing_ok: Don't raise an error if a path doesn't exist
            attempt: Actually try opening

        Returns:
            WritePermissionsError: If a path is not a file (modulo existence) or doesn't have 'W' set

        """
        paths = [Path(p) for p in paths]
        for path in paths:
            if path.exists() and not path.is_file():
                raise WritePermissionsError(f"Path {path} is not a file", path=path)
            if (not missing_ok or path.exists()) and not os.access(path, os.W_OK):
                raise WritePermissionsError(f"Cannot write to {path}", path=path)
            if attempt:
                try:
                    with open(path, "a"):  # or w
                        pass
                except OSError:
                    raise WritePermissionsError(f"Failed to open {path} for write", path=path)

    @classmethod
    def verify_can_write_dirs(cls, *paths: str | Path, missing_ok: bool = False) -> None:
        """
        Checks that all directories can be written to, to ensure atomicity before operations.

        Args:
            *paths: The directories
            missing_ok: Don't raise an error if a path doesn't exist

        Returns:
            WritePermissionsError: If a path is not a directory (modulo existence) or doesn't have 'W' set

        """
        paths = [Path(p) for p in paths]
        for path in paths:
            if path.exists() and not path.is_dir():
                raise WritePermissionsError(f"Path {path} is not a dir", path=(path))
            if missing_ok and not path.exists():
                continue
            if not os.access(path, os.W_OK):
                raise WritePermissionsError(f"{path} lacks write permission", path=path)
            if not os.access(path, os.X_OK):
                raise WritePermissionsError(f"{path} lacks access permission", path=path)

    @classmethod
    def delete_surefire(cls, path: PathLike) -> Exception | None:
        """
        Deletes files or directories cross-platform, but working around multiple issues in Windows.

        Returns:
            None, or an Exception for minor warnings

        Raises:
            IOError: If it can't delete
        """
        # we need this because of Windows
        path = Path(path)
        logger.debug(f"Permanently deleting {path} ...")

        chmod_err = None
        try:
            os.chmod(str(path), stat.S_IRWXU)
        except Exception as e:

            chmod_err = e
        # another reason for returning exception:
        # We don't want to interrupt the current line being printed like in slow_delete
        if path.is_dir():
            shutil.rmtree(str(path), ignore_errors=True)  # ignore_errors because of Windows
            try:
                path.unlink(missing_ok=True)  # again, because of Windows
            except OSError:
                pass  # almost definitely because it doesn't exist
        else:
            path.unlink(missing_ok=True)
        logger.debug(f"Permanently deleted {path}")

        return chmod_err

    @classmethod
    def trash(cls, path: PathLike, trash_dir: PathLike | None = None) -> None:

        """
        Trash a file or directory.

        Args:
            path: The path to move to the trash
            trash_dir: If None, uses :meth:`pocketutils.tools.path_tools.PathTools.guess_trash`
        """
        if trash_dir is None:
            trash_dir = PathTools.guess_trash()
        logger.debug(f"Trashing {path} to {trash_dir} ...")

        shutil.move(str(path), str(trash_dir))
        logger.debug(f"Trashed {path} to {trash_dir}")


    @classmethod
    def try_cleanup(cls, path: Path, *, bound: type[Exception] = PermissionError) -> None:

        """
        Try to delete a file (probably temp file), if it exists, and log any ``PermissionError``.
        """
        path = Path(path)
        # noinspection PyBroadException
        try:
            path.unlink(missing_ok=True)
        except bound:
            logger.error(f"Permission error preventing deleting {path}")


    @classmethod
    def read_lines_file(cls, path: PathLike, *, ignore_comments: bool = False) -> Sequence[str]:

        """
        Returns a list of lines in the file.
        Optionally skips lines starting with ``#`` or that only contain whitespace.
        """
        lines = []
        with cls.open_file(path, "r") as f:

            for line in f.readlines():
                line = line.strip()
                if not ignore_comments or not line.startswith("#") and not len(line.strip()) == 0:
                    lines.append(line)
        return lines

    @classmethod
    def read_properties_file(cls, path: PathLike) -> Mapping[str, str]:

        """
        Reads a .properties file.
        A list of lines with key=value pairs (with an equals sign).
        Lines beginning with # are ignored.
        Each line must contain exactly 1 equals sign.

        .. caution::
            The escaping is not compliant with the standard

        Args:
            path: Read the file at this local path

        Returns:
            A dict mapping keys to values, both with surrounding whitespace stripped
        """
        dct = {}
        with cls.open_file(path, "r") as f:

            for i, line in enumerate(f.readlines()):
                line = line.strip()
                if len(line) == 0 or line.startswith("#"):
                    continue
                if line.count("=") != 1:
                    raise ParsingError(f"Bad line {i} in {path}", resource=path)
                k, v = line.split("=")

                k, v = k.strip(), v.strip()

                if k in dct:
                    raise AlreadyUsedError(f"Duplicate property {k} (line {i})", key=k)
                dct[k] = v
        return dct

    @classmethod
    def write_properties_file(
        cls, properties: Mapping[Any, Any], path: str | PurePath, mode: str = "o"

    ) -> None:
        """
        Writes a .properties file.

        .. caution::
            The escaping is not compliant with the standard
        """
        with FilesysTools.open_file(path, mode) as f:

            bad_keys = []
            bad_values = []
            for k, v in properties.items():

                if "=" in k or "\n" in k:
                    bad_keys.append(k)
                if "=" in v or "\n" in v:
                    bad_values.append(k)
                f.write(
                    str(k).replace("=", "--").replace("\n", "\\n")
                    + "="
                    + str(v).replace("=", "--").replace("\n", "\\n")
                    + "\n"
                )
            if len(bad_keys) > 0:
                logger.warning(

                    f"These keys containing '=' or \\n were escaped: {', '.join(bad_keys)}"
                )
            if len(bad_values) > 0:
                logger.warning(

                    f"These keys containing '=' or \\n were escaped: {', '.join(bad_values)}"
                )

    @classmethod
    def save_json(cls, data: Any, path: PathLike, mode: str = "w") -> None:

        mode = mode.replace("t", "")
        if "b" not in mode:
            mode += "b"
        with cls.open_file(path, mode) as f:

            f.write(orjson.dumps(data))

    @classmethod
    def load_json(cls, path: PathLike) -> dict | list:

        return orjson.loads(Path(path).read_text(encoding="utf-8"))

    @classmethod
    def read_any(

        cls, path: PathLike

    ) -> (
        str
        | bytes
        | Sequence[str]

        | Sequence[int]

        | Sequence[float]

        | Sequence[str]

        | Mapping[str, str]

    ):
        """
        Reads a variety of simple formats based on filename extension.
        Includes '.txt', 'csv', .xml', '.properties', '.json'.
        Also reads '.data' (binary), '.lines' (text lines).
        And formatted lists: '.strings', '.floats', and '.ints' (ex: "[1, 2, 3]").
        """
        path = Path(path)
        ext = path.suffix.lstrip(".")

        def load_list(dtype):
            return [
                dtype(s)
                for s in FilesysTools.read_lines_file(path)[0]
                .replace(" ", "")
                .replace("[", "")
                .replace("]", "")
                .split(",")
            ]

        if ext == "lines":

            return cls.read_lines_file(path)
        elif ext == "txt":
            return path.read_text(encoding="utf-8")
        elif ext == "bytes":
            return path.read_bytes()
        elif ext == "json":
            return cls.load_json(path)
        elif ext == "properties":
            return cls.read_properties_file(path)
        elif ext == "csv":
            with path.open(encoding="utf-8") as f:

                reader = csv.DictReader(f)
                return list(reader)
        elif ext == "ints":
            return load_list(int)
        elif ext == "floats":
            return load_list(float)
        elif ext == "strings":
            return load_list(str)
        elif ext == "xml":
            ElementTree.parse(path).getroot()
        else:
            raise TypeError(f"Did not recognize resource file type for file {path}")

    @classmethod
    @contextmanager
    def open_file(cls, path: PathLike, mode: OpenMode | str, *, mkdir: bool = False):
        """
        Opens a text file, always using utf-8, optionally gzipped.

        See Also:
            :class:`pocketutils.core.input_output.OpenMode`
        """
        path = Path(path)
        mode = OpenMode(mode)
        if mode.write and mkdir:
            path.parent.mkdir(exist_ok=True, parents=True)
        if not mode.read:
            cls.prep_file(path, exist_ok=mode.overwrite or mode.append)
        if path.suffix == ".gz" or path.suffix == ".gzip":
            yield gzip.open(path, mode, compresslevel=COMPRESS_LEVEL, encoding="utf-8")
        elif mode.binary:
            yield open(path, mode, encoding="utf-8")
        else:
            yield open(path, mode, encoding="utf-8")

    @classmethod
    def write_lines(cls, iterable: Iterable[Any], path: PathLike, mode: str = "w") -> int:

        r"""
        Just writes an iterable line-by-line to a file, using '\n'.

        Makes the parent directory if needed.
        Checks that the iterable is a "true iterable" (not a string or bytes).

        Returns:
            The number of lines written (the same as len(iterable) if iterable has a length)

        Raises:
            FileExistsError: If the path exists and append is False
            PathIsNotFileError: If append is True, and the path exists but is not a file
        """
        n = 0

        with cls.open_file(path, mode) as f:

            for x in iterable:

                f.write(str(x) + "\n")
            n += 1

        return n

    @classmethod
    def replace_in_file(cls, path: PathLike, changes: Mapping[str, str]) -> None:

        """
        Uses ``regex.sub`` repeatedly to modify (AND REPLACE) a file's content.
        """
        path = Path(path)
        data = path.read_text(encoding="utf-8")
        for key, value in changes.items():
            data = regex.sub(key, value, data, flags=regex.V1 | regex.MULTILINE | regex.DOTALL)
        path.write_text(data, encoding="utf-8")

    @classmethod
    def tmp_path(cls, path: PathLike | None = None, **kwargs) -> Generator[Path, None, None]:

        """
        Makes a temporary Path. Won't create ``path`` but will delete it at the end.
        If ``path`` is None, will use ``tempfile.mkstemp``.
        """
        if path is None:
            _, path = tempfile.mkstemp()
        try:
            yield Path(path, **kwargs)
        finally:
            Path(path).unlink()

    @classmethod
    def tmp_file(
        cls, path: PathLike | None = None, *, spooled: bool = False, **kwargs

    ) -> Generator[Writeable, None, None]:

        """
        Simple wrapper around tempfile functions.
        Wraps ``TemporaryFile``, ``NamedTemporaryFile``, and ``SpooledTemporaryFile``.
        """
        if spooled:
            with tempfile.SpooledTemporaryFile(**kwargs) as x:

                yield x
        elif path is None:
            with tempfile.TemporaryFile(**kwargs) as x:

                yield x
        else:
            with tempfile.NamedTemporaryFile(str(path), **kwargs) as x:

                yield x

    @classmethod
    def tmp_dir(cls, **kwargs) -> Generator[Path, None, None]:

        with tempfile.TemporaryDirectory(**kwargs) as x:

            yield Path(x)

    @classmethod
    def check_expired(
        cls,

        path: PathLike,

        max_sec: timedelta | float,

        *,

        parent: PathLike | None = None,

        warn_expired_fmt: str = "{path_rel} is {delta} out of date [{mod_rel}]",

        warn_unknown_fmt: str = "{path_rel} mod date is unknown [created: {create_rel}]",

        log: Callable[[str], Any] | None = logger.warning,

    ) -> bool | None:
        """
        Warns and returns True if ``path`` mod date is more than ``max_sec`` in the past.
        Returns None if it could not be determined.

        The formatting strings can refer to any of these (will be empty if unknown):
            - path: Full path
            - name: File/dir name
            - path_rel: Path relative to ``self._dir``, or full path if not under
            - now: formatted current datetime
            - [mod/create]_dt: Formatted mod/creation datetime
            - [mod/create]_rel: Mod/create datetime in terms of offset from now
            - [mod/create]_delta: Formatted timedelta from now
            - [mod/create]_delta_sec: Number of seconds from now (negative if now < mod/create dt)

        Args:
            path: A specific path to check
            max_sec: Max seconds, or a timedelta
            parent: If provided, path_rel is relative to this directory (to simplify warnings)
            warn_expired_fmt: Formatting string in terms of the variables listed above
            warn_unknown_fmt: Formatting string in terms of the variables listed above
            log: Log about problems

        Returns:
            Whether it is expired, or None if it could not be determined
        """
        path = Path(path)
        if log is None:

            def log(_):
                return None

        limit = max_sec if isinstance(max_sec, timedelta) else timedelta(seconds=max_sec)
        now = datetime.now().astimezone()
        info = FilesysTools.get_info(path)
        if info.mod_dt and now - info.mod_dt > limit:

            cls._warn_expired(now, info.mod_dt, info.create_dt, path, parent, warn_expired_fmt, log)
            return True
        elif not info.mod_dt and (not info.create_dt or (now - info.create_dt) > limit):
            cls._warn_expired(now, info.mod_dt, info.create_dt, path, parent, warn_unknown_fmt, log)
            return None
        return False

    @classmethod
    def _warn_expired(

        cls,

        now: datetime,

        mod: datetime | None,

        created: datetime | None,

        path: Path,

        parent: Path | None,

        fmt: str | None,

        log: Callable[[str], Any],

    ):
        if isinstance(fmt, str):
            fmt = fmt.format
        if parent is not None and path.is_relative_to(parent):
            path_rel = str(path.relative_to(parent))
        else:
            path_rel = str(path)
        now_str, mod_str, mod_rel, mod_delta, mod_delta_sec = cls._expire_warning_info(now, mod)
        _, create_str, create_rel, create_delta, create_delta_sec = cls._expire_warning_info(
            now, created
        )
        msg = fmt(
            path=path,
            path_rel=path_rel,
            name=path.name,
            now=now_str,
            mod_dt=mod_str,
            mod_rel=mod_rel,
            mod_delta=mod_delta,
            mod_sec=mod_delta_sec,
            create_dt=create_str,
            create_rel=create_rel,
            create_delta=create_delta,
            create_sec=create_delta_sec,
        )
        log(msg)

    @classmethod
    def _expire_warning_info(
        cls, now: datetime, then: datetime | None

    ) -> tuple[str, str, str, str, str]:

        now_str = now.strftime("%Y-%m-%d %H:%M:%S")
        if then is None:
            return now_str, "", "", "", ""
        delta = now - then
        then_str = then.strftime("%Y-%m-%d %H:%M:%S")
        then_rel = UnitTools.approx_time_wrt(now, then)
        delta_str = UnitTools.delta_time_to_str(delta, space=Chars.narrownbsp)
        return now_str, then_str, then_rel, delta_str, str(delta.total_seconds())

    @classmethod
    def __stat_raw(cls, path: Path) -> os.stat_result | None:
        try:
            return path.lstat()
        except OSError as e:

            if hasattr(pathlib, "_ignore_error") and not pathlib._ignore_error(e):
class MyParent:
    def __init__(self):
        self._x = 1;
        self.y = 2;

class MyChild(MyParent):
    def some_method(self):
        return self._x    # Ok, since accessed from a child class

class AnotherClass:
    def some_method(self, instance_of_my_child):
        return instance_of_my_child._x   # Would be flagged as AnotherClass is not
                                         # a child class of MyParent
                raise
        return None


__all__ = ["FilesysTools", "PathInfo"]

1			import bz2
			0 ignored issues – show introduced 2021-01-25 05:25 UTC by Report Bug Copy Issue Report Missing module docstring Loading history...
2			import csv
3			import gzip
4			import logging
5			import os
6			import pathlib
7			import shutil
8			import stat
9			import sys
10			import tempfile
11			from collections.abc import Callable, Generator, Iterable, Mapping, Sequence
12			from contextlib import contextmanager
13			from datetime import datetime, timedelta
14			from pathlib import Path, PurePath
15			from typing import Any
16
17			import orjson
			0 ignored issues – show introduced 2021-10-11 23:10 UTC by Report Bug Copy Issue Report Unable to import 'orjson' Loading history...
18			import regex
			0 ignored issues – show introduced 2021-09-09 00:35 UTC by Report Bug Copy Issue Report Unable to import 'regex' Loading history...
19			from defusedxml import ElementTree
			0 ignored issues – show introduced 2021-10-11 23:10 UTC by Report Bug Copy Issue Report Unable to import 'defusedxml' Loading history...
20
21			from pocketutils.core.chars import Chars
			0 ignored issues – show Bug introduced 2021-10-28 02:10 UTC by Report Bug Copy Issue Report The name `core` does not seem to exist in module `pocketutils`. Loading history...
22			from pocketutils.core.exceptions import (
			0 ignored issues – show Bug introduced 2021-10-28 02:10 UTC by Report Bug Copy Issue Report The name `core` does not seem to exist in module `pocketutils`. Loading history...
23			AlreadyUsedError,
24			DirDoesNotExistError,
25			FileDoesNotExistError,
26			ParsingError,
27			ReadPermissionsError,
28			WritePermissionsError,
29			)
30			from pocketutils.core.input_output import OpenMode, PathLike, Writeable
			0 ignored issues – show Bug introduced 2021-10-28 02:10 UTC by Report Bug Copy Issue Report The name `core` does not seem to exist in module `pocketutils`. Loading history...
31			from pocketutils.tools.path_info import PathInfo
32			from pocketutils.tools.path_tools import PathTools
33			from pocketutils.tools.sys_tools import SystemTools
dmyersturnbull / pocketutils

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FilesysTools.verify_can_write_dirs() B

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