def _exists(guid):
"""Checks if an element with the given guid exists."""
template = _resources.get_data(__name__, 'js/_proxy.js')
if six.PY3:
# pkgutil.get_data returns bytes, but we want a str.
template = template.decode('utf8')
return _call_js_function(template, guid, {'method': 'exists'}, False)
def _proxy(guid, msg):
"""Makes a proxy call on an element."""
template = _resources.get_data(__name__, 'js/_proxy.js')
if six.PY3:
# pkgutil.get_data returns bytes, but we want a str.
template = template.decode('utf8')
return _call_js_function(template, guid, msg)
def _utils_url():
"""Return the url to the utils script."""
global _utils_ref
if not _utils_ref:
src = _resources.get_data(__name__, 'js/_html.js')
if six.PY3:
# pkgutil.get_data returns bytes, but we want a str.
src = src.decode('utf8')
_utils_ref = _provide.create(content=src, extension='js')
return _utils_ref.url
def _exists(guid):
"""Checks if an element with the given guid exists."""
template = _resources.get_data(__name__, 'js/_proxy.js')
return _call_js_function(template, guid, {'method': 'exists'}, False)
def _proxy(guid, msg):
"""Makes a proxy call on an element."""
template = _resources.get_data(__name__, 'js/_proxy.js')
return _call_js_function(template, guid, msg)
def _repr_html_(self):
"""Converts element to HTML string."""
self._could_exist = True
view = _ElementView(self)
template = _resources.get_data(__name__, 'templates/_element.mustache')
return pystache.render(template, view)