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payload.py
49 lines | 1.5 KiB | text/x-python | PythonLexer
# -*- coding: utf-8 -*-
"""Payload system for IPython.
Authors:
* Fernando Perez
* Brian Granger
"""
#-----------------------------------------------------------------------------
# Copyright (C) 2008-2011 The IPython Development Team
#
# Distributed under the terms of the BSD License. The full license is in
# the file COPYING, distributed as part of this software.
#-----------------------------------------------------------------------------
#-----------------------------------------------------------------------------
# Imports
#-----------------------------------------------------------------------------
from IPython.config.configurable import Configurable
from IPython.utils.traitlets import List
#-----------------------------------------------------------------------------
# Main payload class
#-----------------------------------------------------------------------------
class PayloadManager(Configurable):
_payload = List([])
def write_payload(self, data, update=False):
if not isinstance(data, dict):
raise TypeError('Each payload write must be a dict, got: %r' % data)
if update and 'source' in data:
source = data['source']
for i, pl in enumerate(self._payload):
if 'source' in pl and pl['source'] == source:
self._payload[i] = data
return
self._payload.append(data)
def read_payload(self):
return self._payload
def clear_payload(self):
self._payload = []