inputfile.py 文件源码

def __init__(self, data):
        self.data = data
        self.boundary = choose_boundary()

        for t in FILE_TYPES:
            if t in data:
                self.input_name = t
                self.input_file = data.pop(t)
                break
        else:
            raise TelegramError('Unknown inputfile type')

        if hasattr(self.input_file, 'read'):
            self.filename = None
            self.input_file_content = self.input_file.read()
            if 'filename' in data:
                self.filename = self.data.pop('filename')
            elif hasattr(self.input_file, 'name'):
                # on py2.7, pylint fails to understand this properly
                # pylint: disable=E1101
                self.filename = os.path.basename(self.input_file.name)

            try:
                self.mimetype = self.is_image(self.input_file_content)
                if not self.filename or '.' not in self.filename:
                    self.filename = self.mimetype.replace('/', '.')
            except TelegramError:
                if self.filename:
                    self.mimetype = mimetypes.guess_type(
                        self.filename)[0] or DEFAULT_MIME_TYPE
                else:
                    self.mimetype = DEFAULT_MIME_TYPE