165 lines
3.7 KiB
Python
165 lines
3.7 KiB
Python
from __future__ import annotations
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import shutil
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from typing import Any
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import msgspec
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from sanic import BadRequest
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from cista import config
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from cista.util import filename
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## Control commands
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class ControlBase(msgspec.Struct, tag_field="op", tag=str.lower):
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def __call__(self):
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raise NotImplementedError
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class MkDir(ControlBase):
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path: str
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def __call__(self):
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path = config.config.path / filename.sanitize(self.path)
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path.mkdir(parents=False, exist_ok=False)
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class Rename(ControlBase):
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path: str
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to: str
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def __call__(self):
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to = filename.sanitize(self.to)
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if "/" in to:
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raise BadRequest("Rename 'to' name should only contain filename, not path")
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path = config.config.path / filename.sanitize(self.path)
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path.rename(path.with_name(to))
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class Rm(ControlBase):
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sel: list[str]
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def __call__(self):
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root = config.config.path
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sel = [root / filename.sanitize(p) for p in self.sel]
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for p in sel:
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if p.is_dir():
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shutil.rmtree(p, ignore_errors=True)
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else:
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p.unlink()
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class Mv(ControlBase):
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sel: list[str]
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dst: str
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def __call__(self):
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root = config.config.path
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sel = [root / filename.sanitize(p) for p in self.sel]
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dst = root / filename.sanitize(self.dst)
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if not dst.is_dir():
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raise BadRequest("The destination must be a directory")
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for p in sel:
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shutil.move(p, dst)
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class Cp(ControlBase):
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sel: list[str]
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dst: str
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def __call__(self):
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root = config.config.path
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sel = [root / filename.sanitize(p) for p in self.sel]
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dst = root / filename.sanitize(self.dst)
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if not dst.is_dir():
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raise BadRequest("The destination must be a directory")
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for p in sel:
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# Note: copies as dst rather than in dst unless name is appended.
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shutil.copytree(
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p,
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dst / p.name,
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dirs_exist_ok=True,
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ignore_dangling_symlinks=True,
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)
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ControlTypes = MkDir | Rename | Rm | Mv | Cp
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## File uploads and downloads
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class FileRange(msgspec.Struct):
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name: str
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size: int
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start: int
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end: int
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class StatusMsg(msgspec.Struct):
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status: str
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req: FileRange
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class ErrorMsg(msgspec.Struct):
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error: dict[str, Any]
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## Directory listings
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class FileEntry(msgspec.Struct):
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key: str
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size: int
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mtime: int
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class DirEntry(msgspec.Struct):
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key: str
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size: int
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mtime: int
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dir: DirList
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def __getitem__(self, name):
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return self.dir[name]
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def __setitem__(self, name, value):
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self.dir[name] = value
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def __contains__(self, name):
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return name in self.dir
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def __delitem__(self, name):
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del self.dir[name]
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@property
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def props(self):
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return {k: v for k, v in self.__struct_fields__ if k != "dir"}
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DirList = dict[str, FileEntry | DirEntry]
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class UpdateEntry(msgspec.Struct, omit_defaults=True):
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"""Updates the named entry in the tree. Fields that are set replace old values. A list of entries recurses directories."""
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name: str = ""
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deleted: bool = False
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key: str | None = None
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size: int | None = None
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mtime: int | None = None
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dir: DirList | None = None
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def make_dir_data(root):
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if len(root) == 3:
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return FileEntry(*root)
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id_, size, mtime, listing = root
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converted = {}
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for name, data in listing.items():
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converted[name] = make_dir_data(data)
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sz = sum(x.size for x in converted.values())
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mt = max(x.mtime for x in converted.values())
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return DirEntry(id_, sz, max(mt, mtime), converted)
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