dicomparser.py 文件源码

def __init__(self, dataset):

        if isinstance(dataset, Dataset):
            self.ds = dataset
        elif isinstance(dataset, (string_types, BytesIO)):
            try:
                self.ds = \
                    read_file(dataset, defer_size=100, force=True)
            except:
                # Raise the error for the calling method to handle
                raise
            else:
                # Sometimes DICOM files may not have headers,
                # but they should always have a SOPClassUID
                # to declare what type of file it is.
                # If the file doesn't have a SOPClassUID,
                # then it probably isn't DICOM.
                if not "SOPClassUID" in self.ds:
                    raise AttributeError
        else:
            raise AttributeError

######################## SOP Class and Instance Methods #######################