def encode_multipart_formdata(fields, boundary=None): """ Encode a dictionary of ``fields`` using the multipart/form-data mime format. :param fields: Dictionary of fields or list of (key, value) field tuples. The key is treated as the field name, and the value as the body of the form-data bytes. If the value is a tuple of two elements, then the first element is treated as the filename of the form-data section. Field names and filenames must be unicode. :param boundary: If not specified, then a random boundary will be generated using :func:`mimetools.choose_boundary`. """ # copy requests imports in here: from io import BytesIO from requests.packages.urllib3.filepost import (choose_boundary, six, writer, b, get_content_type) body = BytesIO() if boundary is None: boundary = choose_boundary() for fieldname, value in iter_fields(fields): body.write(b('--%s\r\n' % (boundary))) if isinstance(value, tuple): filename, data = value writer(body).write('Content-Disposition: form-data; name="%s"; ' 'filename="%s"\r\n' % (fieldname, filename)) body.write( b('Content-Type: %s\r\n\r\n' % (get_content_type(filename)))) else: data = value writer(body).write( 'Content-Disposition: form-data; name="%s"\r\n' % (fieldname)) body.write(b'Content-Type: text/plain\r\n\r\n') if isinstance(data, int): data = str(data) # Backwards compatibility if isinstance(data, six.text_type): writer(body).write(data) else: body.write(data) body.write(b'\r\n') body.write(b('--%s--\r\n' % (boundary))) content_type = b('multipart/form-data; boundary=%s' % boundary) return body.getvalue(), content_type
def encode_multipart_formdata(fields, boundary=None): """ Encode a dictionary of ``fields`` using the multipart/form-data mime format. :param fields: Dictionary of fields or list of (key, value) field tuples. The key is treated as the field name, and the value as the body of the form-data bytes. If the value is a tuple of two elements, then the first element is treated as the filename of the form-data section. Field names and filenames must be unicode. :param boundary: If not specified, then a random boundary will be generated using :func:`mimetools.choose_boundary`. """ # copy requests imports in here: from io import BytesIO from requests.packages.urllib3.filepost import ( choose_boundary, six, writer, b, get_content_type ) body = BytesIO() if boundary is None: boundary = choose_boundary() for fieldname, value in iter_fields(fields): body.write(b('--%s\r\n' % (boundary))) if isinstance(value, tuple): filename, data = value writer(body).write('Content-Disposition: form-data; name="%s"; ' 'filename="%s"\r\n' % (fieldname, filename)) body.write(b('Content-Type: %s\r\n\r\n' % (get_content_type(filename)))) else: data = value writer(body).write('Content-Disposition: form-data; name="%s"\r\n' % (fieldname)) body.write(b'Content-Type: text/plain\r\n\r\n') if isinstance(data, int): data = str(data) # Backwards compatibility if isinstance(data, six.text_type): writer(body).write(data) else: body.write(data) body.write(b'\r\n') body.write(b('--%s--\r\n' % (boundary))) content_type = b('multipart/form-data; boundary=%s' % boundary) return body.getvalue(), content_type