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common code for helpers.list_* functions

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Jörn-Michael Miehe 2023-10-31 23:43:38 +01:00
parent 2a9635c8c1
commit a1729d13f7
1 changed files with 16 additions and 19 deletions
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31
api/advent22_api/core/helpers.py
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@ -3,7 +3,7 @@ import random
import re
from datetime import date, datetime, timedelta
from io import BytesIO
from typing import Any, Iterable, Self, Sequence, TypeVar
from typing import Any, Awaitable, Callable, Iterable, Self, Sequence, TypeVar
from fastapi.responses import StreamingResponse
from PIL import Image
@ -13,6 +13,7 @@ from .dav.webdav import WebDAV
T = TypeVar("T")
RE_IMG = re.compile(r"\.(gif|jpe?g|tiff?|png|bmp)$", flags=re.IGNORECASE)
RE_TTF = re.compile(r"\.(ttf)$", flags=re.IGNORECASE)
class Random(random.Random):
@ -80,30 +81,26 @@ def spread(
return result
async def list_images_auto() -> list[str]:
def list_helper(
directory: str,
regex: re.Pattern[str],
) -> Callable[[], Awaitable[list[str]]]:
"""
Finde alle Bilddateien im "automatisch"-Verzeichnis
Finde alle Dateien im Verzeichnis `dir`, passend zu `re`
"""
__DIR = "/images_auto"
async def _list_helper() -> list[str]:
return [
f"{__DIR}/{file}"
for file in await WebDAV.list_files(directory=__DIR, regex=RE_IMG)
f"{directory}/{file}"
for file in await WebDAV.list_files(directory=directory, regex=regex)
]
return _list_helper
async def list_images_manual() -> list[str]:
"""
Finde alle Bilddateien im "manuell"-Verzeichnis
"""
__DIR = "/images_manual"
return [
f"{__DIR}/{file}"
for file in await WebDAV.list_files(directory=__DIR, regex=RE_IMG)
]
list_images_auto = list_helper("/images_auto", RE_IMG)
list_images_manual = list_helper("/images_manual", RE_IMG)
list_fonts = list_helper("/files", RE_TTF)
async def load_image(file_name: str) -> Image.Image: