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Image._dump: Rewrite for clarity and type-safety.

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This commit is contained in:
neiljp (Neil Pilgrim) 2017-08-19 22:18:55 -07:00
parent ab6c60da1c
commit 72b3e6819d
1 changed files with 12 additions and 6 deletions
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18
PIL/Image.py
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@ -583,21 +583,27 @@ class Image(object):
def _dump(self, file=None, format=None, **options): def _dump(self, file=None, format=None, **options):
import tempfile import tempfile
suffix = '' suffix = ''
if format: if format:
suffix = '.'+format suffix = '.'+format
if not file: if not file:
f, file = tempfile.mkstemp(suffix) f, filename = tempfile.mkstemp(suffix)
os.close(f) os.close(f)
else:
filename = file
if not filename.endswith(suffix):
filename = filename + suffix
self.load() self.load()
if not format or format == "PPM": if not format or format == "PPM":
self.im.save_ppm(file) self.im.save_ppm(filename)
else: else:
if not file.endswith(format): self.save(filename, format, **options)
file = file + "." + format
self.save(file, format, **options) return filename
return file
def __eq__(self, other): def __eq__(self, other):
return (self.__class__.__name__ == other.__class__.__name__ and return (self.__class__.__name__ == other.__class__.__name__ and