Files
sanic/sanic/handlers/directory.py
2023-02-05 15:09:04 +02:00

85 lines
2.7 KiB
Python

from __future__ import annotations
from datetime import datetime
from operator import itemgetter
from pathlib import Path
from stat import S_ISDIR
from typing import Dict, Iterable, Optional, Sequence, Union, cast
from sanic.exceptions import NotFound
from sanic.pages.directory_page import DirectoryPage, FileInfo
from sanic.request import Request
from sanic.response import file, html, redirect
class DirectoryHandler:
def __init__(
self,
uri: str,
directory: Path,
directory_view: bool = False,
index: Optional[Union[str, Sequence[str]]] = None,
) -> None:
if isinstance(index, str):
index = [index]
elif index is None:
index = []
self.base = uri.strip("/")
self.directory = directory
self.directory_view = directory_view
self.index = tuple(index)
async def handle(self, request: Request, path: str):
current = path.strip("/")[len(self.base) :].strip("/") # noqa: E203
for file_name in self.index:
index_file = self.directory / current / file_name
if index_file.is_file():
return await file(index_file)
if self.directory_view:
return self._index(
self.directory / current, path, request.app.debug
)
if self.index:
raise NotFound("File not found")
raise IsADirectoryError(f"{self.directory.as_posix()} is a directory")
def _index(self, location: Path, path: str, debug: bool):
# Remove empty path elements, append slash
if "//" in path or not path.endswith("/"):
return redirect(
"/" + "".join([f"{p}/" for p in path.split("/") if p])
)
# Render file browser
page = DirectoryPage(self._iter_files(location), path, debug)
return html(page.render())
def _prepare_file(self, path: Path) -> Dict[str, Union[int, str]]:
stat = path.stat()
modified = (
datetime.fromtimestamp(stat.st_mtime)
.isoformat()[:19]
.replace("T", " ")
)
is_dir = S_ISDIR(stat.st_mode)
icon = "📁" if is_dir else "📄"
file_name = path.name
if is_dir:
file_name += "/"
return {
"priority": is_dir * -1,
"file_name": file_name,
"icon": icon,
"file_access": modified,
"file_size": stat.st_size,
}
def _iter_files(self, location: Path) -> Iterable[FileInfo]:
prepared = [self._prepare_file(f) for f in location.iterdir()]
for item in sorted(prepared, key=itemgetter("priority", "file_name")):
del item["priority"]
yield cast(FileInfo, item)