Class PhotoMetadata

photonix/photos/utils/metadata.py:11–35

class PhotoMetadata(object):
    def __init__(self, path):
        self.data = {}
        try:
            # exiftool produces data such as MIME Type for non-photos too
            result = Popen(['exiftool', path], stdout=PIPE, stdin=PIPE, stderr=PIPE).communicate()[0].decode('utf-8', 'ignore')
        except UnicodeDecodeError:
            result = ''
        for line in str(result).split('\n'):
            if line:
                try:
                    k, v = line.split(':', 1)
                    self.data[k.strip()] = v.strip()
                except ValueError:
                    pass

        # Some file MIME Types can not be identified by exiftool so we fall back to Python's mimetypes library so the get_mimetype() funciton below is universal
        if not self.data.get('MIME Type'):
            self.data['MIME Type'] = mimetypes.guess_type(path)[0]

    def get(self, attribute, default=None):
        return self.data.get(attribute, default)

    def get_all(self):
        return self.data


def parse_datetime(date_str):