Source code for bokeh.io.saving

#-----------------------------------------------------------------------------
# Copyright (c) 2012 - 2017, Anaconda, Inc. All rights reserved.
#
# Powered by the Bokeh Development Team.
#
# The full license is in the file LICENSE.txt, distributed with this software.
#-----------------------------------------------------------------------------
'''

'''

#-----------------------------------------------------------------------------
# Boilerplate
#-----------------------------------------------------------------------------
from __future__ import absolute_import, division, print_function, unicode_literals

import logging
log = logging.getLogger(__name__)

from bokeh.util.api import public, internal ; public, internal

#-----------------------------------------------------------------------------
# Imports
#-----------------------------------------------------------------------------

# Standard library imports
import io
from os.path import abspath
from warnings import warn

# External imports

# Bokeh imports
from ..util.string import decode_utf8
from .state import curstate
from .util import default_filename

#-----------------------------------------------------------------------------
# Globals and constants
#-----------------------------------------------------------------------------

DEFAULT_TITLE = "Bokeh Plot"

#-----------------------------------------------------------------------------
# Public API
#-----------------------------------------------------------------------------

@public((1,0,0))
[docs]def save(obj, filename=None, resources=None, title=None, state=None, **kwargs): ''' Save an HTML file with the data for the current document. Will fall back to the default output state (or an explicitly provided :class:`State` object) for ``filename``, ``resources``, or ``title`` if they are not provided. If the filename is not given and not provided via output state, it is derived from the script name (e.g. ``/foo/myplot.py`` will create ``/foo/myplot.html``) Args: obj (LayoutDOM object) : a Layout (Row/Column), Plot or Widget object to display filename (str, optional) : filename to save document under (default: None) If None, use the default state configuration. resources (Resources, optional) : A Resources config to use (default: None) If None, use the default state configuration, if there is one. otherwise use ``resources.INLINE``. title (str, optional) : a title for the HTML document (default: None) If None, use the default state title value, if there is one. Otherwise, use "Bokeh Plot" state (State, optional) : A :class:`State` object. If None, then the current default implicit state is used. (default: None). Returns: str: the filename where the HTML file is saved. ''' if state is None: state = curstate() filename, resources, title = _get_save_args(state, filename, resources, title) _save_helper(obj, filename, resources, title) return abspath(filename)
#----------------------------------------------------------------------------- # Internal API #----------------------------------------------------------------------------- #----------------------------------------------------------------------------- # Private API #----------------------------------------------------------------------------- def _get_save_args(state, filename, resources, title): ''' ''' filename, is_default_filename = _get_save_filename(state, filename) resources = _get_save_resources(state, resources, is_default_filename) title = _get_save_title(state, title, is_default_filename) return filename, resources, title def _get_save_filename(state, filename): if filename is not None: return filename, False if state.file: return state.file['filename'], False return default_filename("html"), True def _get_save_resources(state, resources, suppress_warning): if resources is not None: return resources if state.file: return state.file['resources'] if not suppress_warning: warn("save() called but no resources were supplied and output_file(...) was never called, defaulting to resources.CDN") from ..resources import CDN return CDN def _get_save_title(state, title, suppress_warning): if title is not None: return title if state.file: return state.file['title'] if not suppress_warning: warn("save() called but no title was supplied and output_file(...) was never called, using default title 'Bokeh Plot'") return DEFAULT_TITLE def _save_helper(obj, filename, resources, title): ''' ''' from ..embed import file_html html = file_html(obj, resources, title=title) with io.open(filename, mode="w", encoding="utf-8") as f: f.write(decode_utf8(html)) #----------------------------------------------------------------------------- # Code #-----------------------------------------------------------------------------