/usr/lib/python3/dist-packages/PIL/features.py is in python3-pil 5.1.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 | from . import Image
modules = {
"pil": "PIL._imaging",
"tkinter": "PIL._tkinter_finder",
"freetype2": "PIL._imagingft",
"littlecms2": "PIL._imagingcms",
"webp": "PIL._webp",
}
def check_module(feature):
if not (feature in modules):
raise ValueError("Unknown module %s" % feature)
module = modules[feature]
try:
__import__(module)
return True
except ImportError:
return False
def get_supported_modules():
return [f for f in modules if check_module(f)]
codecs = {
"jpg": "jpeg",
"jpg_2000": "jpeg2k",
"zlib": "zip",
"libtiff": "libtiff"
}
def check_codec(feature):
if feature not in codecs:
raise ValueError("Unknown codec %s" % feature)
codec = codecs[feature]
return codec + "_encoder" in dir(Image.core)
def get_supported_codecs():
return [f for f in codecs if check_codec(f)]
features = {
"webp_anim": ("PIL._webp", 'HAVE_WEBPANIM'),
"webp_mux": ("PIL._webp", 'HAVE_WEBPMUX'),
"transp_webp": ("PIL._webp", "HAVE_TRANSPARENCY"),
"raqm": ("PIL._imagingft", "HAVE_RAQM")
}
def check_feature(feature):
if feature not in features:
raise ValueError("Unknown feature %s" % feature)
module, flag = features[feature]
try:
imported_module = __import__(module, fromlist=['PIL'])
return getattr(imported_module, flag)
except ImportError:
return None
def get_supported_features():
return [f for f in features if check_feature(f)]
def check(feature):
return (feature in modules and check_module(feature) or \
feature in codecs and check_codec(feature) or \
feature in features and check_feature(feature))
def get_supported():
ret = get_supported_modules()
ret.extend(get_supported_features())
ret.extend(get_supported_codecs())
return ret
|