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Add example of using annotations in interact...
Add example of using annotations in interact The reason for using annotations is to use the syntax - our decorator has no advantages over passing kwargs to interact[ive]. So this adds a proper demo, with a 'Python 3 only' subheading.

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fabfile.py
46 lines | 1.6 KiB | text/x-python | PythonLexer
""" fabfile to prepare the notebook """
from fabric.api import local,lcd
from fabric.utils import abort
import os
from distutils.version import LooseVersion as V
from subprocess import check_output
pjoin = os.path.join
static_dir = 'static'
components_dir = os.path.join(static_dir, 'components')
min_less_version = '1.4.0'
max_less_version = '1.5.0' # exclusive
def css(minify=True, verbose=False):
"""generate the css from less files"""
for name in ('style', 'ipython'):
source = pjoin('style', "%s.less" % name)
target = pjoin('style', "%s.min.css" % name)
_compile_less(source, target, minify, verbose)
def _to_bool(b):
if not b in ['True', 'False', True, False]:
abort('boolean expected, got: %s' % b)
return (b in ['True', True])
def _compile_less(source, target, minify=True, verbose=False):
"""Compile a less file by source and target relative to static_dir"""
minify = _to_bool(minify)
verbose = _to_bool(verbose)
min_flag = '-x' if minify is True else ''
ver_flag = '--verbose' if verbose is True else ''
# pin less to 1.4
out = check_output(['lessc', '--version'])
out = out.decode('utf8', 'replace')
less_version = out.split()[1]
if V(less_version) < V(min_less_version):
raise ValueError("lessc too old: %s < %s" % (less_version, min_less_version))
if V(less_version) > V(max_less_version):
raise ValueError("lessc too new: %s > %s" % (less_version, max_less_version))
with lcd(static_dir):
local('lessc {min_flag} {ver_flag} {source} {target}'.format(**locals()))