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compiler.py
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compiler.py
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"""
Utilities for building custom models included in panel.
"""
from __future__ import absolute_import, division, unicode_literals
#---------------------------------------------------------------------
# Public API
#---------------------------------------------------------------------
def require_components():
"""
Returns JS snippet to load the required dependencies in the classic
notebook using REQUIRE JS.
"""
from .config import config
configs, requirements, exports = [], [], []
js_requires = []
from bokeh.model import Model
for qual_name, model in Model.model_class_reverse_map.items():
if qual_name.split(".")[0] == "panel":
js_requires.append(model)
for export, js in config.js_files.items():
name = js.split('/')[-1].replace('.min', '').split('.')[-2]
conf = {'paths': {name: js[:-3]}, 'exports': {name: export}}
js_requires.append(conf)
for model in js_requires:
if not (hasattr(model, '__js_require__') or isinstance(model, dict)):
continue
if isinstance(model, dict):
model_require = model
else:
model_require = model.__js_require__
model_exports = model_require.pop('exports', {})
configs.append(model_require)
for req in model_require.get('paths', []):
requirements.append(req)
if req not in model_exports:
continue
export = model_exports[req]
exports.append(export)
for e, value in model_exports.items():
if e not in requirements:
requirements.append(e)
exports.append(value)
return configs, requirements, exports