|
|
# encoding: utf-8
|
|
|
"""A payload based version of page."""
|
|
|
|
|
|
# Copyright (c) IPython Development Team.
|
|
|
# Distributed under the terms of the Modified BSD License.
|
|
|
|
|
|
import warnings
|
|
|
from IPython.core.getipython import get_ipython
|
|
|
|
|
|
|
|
|
def page(strng, start=0, screen_lines=0, pager_cmd=None):
|
|
|
"""Print a string, piping through a pager.
|
|
|
|
|
|
This version ignores the screen_lines and pager_cmd arguments and uses
|
|
|
IPython's payload system instead.
|
|
|
|
|
|
Parameters
|
|
|
----------
|
|
|
strng : str or mime-dict
|
|
|
Text to page, or a mime-type keyed dict of already formatted data.
|
|
|
|
|
|
start : int
|
|
|
Starting line at which to place the display.
|
|
|
"""
|
|
|
|
|
|
# Some routines may auto-compute start offsets incorrectly and pass a
|
|
|
# negative value. Offset to 0 for robustness.
|
|
|
start = max(0, start)
|
|
|
shell = get_ipython()
|
|
|
|
|
|
if isinstance(strng, dict):
|
|
|
data = strng
|
|
|
else:
|
|
|
data = {'text/plain' : strng}
|
|
|
payload = dict(
|
|
|
source='page',
|
|
|
data=data,
|
|
|
start=start,
|
|
|
)
|
|
|
shell.payload_manager.write_payload(payload)
|
|
|
|
|
|
|
|
|
def install_payload_page():
|
|
|
"""DEPRECATED, use show_in_pager hook
|
|
|
|
|
|
Install this version of page as IPython.core.page.page.
|
|
|
"""
|
|
|
warnings.warn("""install_payload_page is deprecated.
|
|
|
Use `ip.set_hook('show_in_pager, page.as_hook(payloadpage.page))`
|
|
|
""")
|
|
|
from IPython.core import page as corepage
|
|
|
corepage.page = page
|
|
|
|
