86 lines
3 KiB
Python
86 lines
3 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright (C) 2017-2024 Team tiramisu (see AUTHORS for all contributors)
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#
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# This program is free software: you can redistribute it and/or modify it
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# under the terms of the GNU Lesser General Public License as published by the
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# Free Software Foundation, either version 3 of the License, or (at your
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# option) any later version.
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#
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# This program is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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# FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
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# details.
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#
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# You should have received a copy of the GNU Lesser General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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# The original `Config` design model is unproudly borrowed from
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# the rough pypy's guys: http://codespeak.net/svn/pypy/dist/pypy/config/
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# the whole pypy projet is under MIT licence
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# ____________________________________________________________
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"""FilenameOption
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"""
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from pathlib import Path
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from ..i18n import _
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from ..error import display_list
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from .stroption import StrOption
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class FilenameOption(StrOption):
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"""validate file or directory name"""
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__slots__ = tuple()
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_type = "file name"
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_t_type = _("file name")
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def __init__(
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self,
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name: str,
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*args,
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allow_relative=False,
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test_existence=False,
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types=["file", "directory"],
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**kwargs,
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):
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if not isinstance(types, list):
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raise ValueError(
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_('types parameter must be a list, not "{0}" for "{1}"').format(
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types, name
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)
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)
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for typ in types:
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if typ not in ["file", "directory"]:
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raise ValueError(f'unknown type "{typ}" for "{name}"')
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extra = {
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"allow_relative": allow_relative,
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"test_existence": test_existence,
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"types": types,
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}
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super().__init__(name, *args, extra=extra, **kwargs)
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def validate(
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self,
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value: str,
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) -> None:
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super().validate(value)
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if not self.impl_get_extra("allow_relative") and not value.startswith("/"):
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raise ValueError(_('must starts with "/"'))
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if value is not None and self.impl_get_extra("test_existence"):
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types = self.impl_get_extra("types")
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file = Path(value)
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found = False
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if "file" in types and file.is_file():
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found = True
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if not found and "directory" in types and file.is_dir():
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found = True
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if not found:
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translated_types = [
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{"file": _("file"), "directory": _("directory")}.get(typ)
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for typ in types
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]
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raise ValueError(
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_("cannot find this {0}").format(
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display_list(translated_types, separator="or"), value
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)
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)
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