Mercurial > repos > shellac > sam_consensus_v3
annotate env/lib/python3.9/site-packages/galaxy/util/image_util.py @ 0:4f3585e2f14b draft default tip
"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
author | shellac |
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date | Mon, 22 Mar 2021 18:12:50 +0000 |
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"planemo upload commit 60cee0fc7c0cda8592644e1aad72851dec82c959"
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1 """Provides utilities for working with image files.""" |
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2 |
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3 import imghdr |
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4 import logging |
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5 |
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6 try: |
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7 import Image as PIL |
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8 except ImportError: |
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9 try: |
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10 from PIL import Image as PIL |
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11 except ImportError: |
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12 PIL = None |
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13 |
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14 log = logging.getLogger(__name__) |
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15 |
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16 |
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17 def image_type(filename): |
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18 fmt = None |
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19 if PIL is not None: |
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20 try: |
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21 im = PIL.open(filename) |
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22 fmt = im.format |
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23 im.close() |
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24 except Exception: |
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25 # We continue to try with imghdr, so this is a rare case of an |
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26 # exception we expect to happen frequently, so we're not logging |
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27 pass |
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28 if not fmt: |
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29 fmt = imghdr.what(filename) |
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30 if fmt: |
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31 return fmt.upper() |
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32 else: |
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33 return False |
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34 |
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35 |
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36 def check_image_type(filename, types): |
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37 fmt = image_type(filename) |
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38 if fmt in types: |
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39 return True |
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40 return False |