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Source code for galaxy.util.image_util
"""Provides utilities for working with image files.""" import imghdr import logging try: import Image as PIL except ImportError: try: from PIL import Image as PIL except ImportError: PIL = None log = logging.getLogger(__name__)[docs]def image_type(filename): fmt = None if PIL is not None: try: im = PIL.open(filename) fmt = im.format im.close() except Exception: # We continue to try with imghdr, so this is a rare case of an # exception we expect to happen frequently, so we're not logging pass if not fmt: fmt = imghdr.what(filename) if fmt: return fmt.upper() else: return False[docs]def check_image_type(filename, types): fmt = image_type(filename) if fmt in types: return True return False