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document some things

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This commit is contained in:
Andrew Cassidy 2021-04-09 23:21:53 -07:00
parent 76da50d003
commit 1f0a577d7f
1 changed files with 3 additions and 1 deletions
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quicktex/cli/__init__.py
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@ -1,17 +1,19 @@
from PIL import Image from PIL import Image
from typing import List from typing import List
import pathlib
import click import click
def get_decoded_extensions(feature: str = 'open') -> List[str]: def get_decoded_extensions(feature: str = 'open') -> List[str]:
"""Gets a list of extensions for Pillow formats supporting a supplied feature"""
extensions = Image.registered_extensions() # using registered_extensions() triggers lazy loading of format data extensions = Image.registered_extensions() # using registered_extensions() triggers lazy loading of format data
formats = getattr(Image, feature.upper()).keys() formats = getattr(Image, feature.upper()).keys()
return [ext for ext, fmt in extensions.items() if fmt in formats] return [ext for ext, fmt in extensions.items() if fmt in formats]
# noinspection PyUnusedLocal
def validate_decoded_extension(ctx, param, value): def validate_decoded_extension(ctx, param, value):
"""Check if an extension for a decoded image is valid"""
if value[0] != '.': if value[0] != '.':
value = '.' + value value = '.' + value