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Typing: Note about fromarray and the buffer interface

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This commit is contained in:
Eric Soroos 2018-01-05 15:23:42 +00:00
parent 4a30b7af69
commit 02a1aa4ee8
1 changed files with 5 additions and 2 deletions
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7
src/PIL/Image.py
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@ -2592,8 +2592,11 @@ def fromarray(obj, mode=None):
else:
obj_bytes = obj.tostring()
# UNDONE typing: can from buffer et al take an array_interface exporting object?
return frombuffer(mode, size, obj_bytes or obj, "raw", rawmode, 0, 1)
# Typing: At this point, obj should be an item exporting a buffer interface
# and obj_bytes, if it exists, is a bytes exporting a buffer interface.
# Unfortunately at this point, there's no protocol for the buffer interface
# and due to it's c-level implementation, I don't see how to make one.
return frombuffer(mode, size, obj_bytes or obj, "raw", rawmode, 0, 1) # type: ignore
def fromqimage(im):