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ict comprehension and list comprehension in pack/unpack widgets

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This commit is contained in:
Jonathan Frederic 2014-01-21 14:23:44 -08:00
parent cb6094281c
commit cf05ef015a
1 changed files with 16 additions and 31 deletions
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47
IPython/html/widgets/widget.py
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@ -277,48 +277,33 @@ class Widget(LoggingConfigurable):
for handler in self._display_callbacks:
handler(self, **kwargs)
def _pack_widgets(self, values):
def _pack_widgets(self, x):
"""Recursively converts all widget instances to model id strings.
Children widgets will be stored and transmitted to the front-end by
their model ids."""
if isinstance(values, dict):
new_dict = {}
for key, value in values.items():
new_dict[key] = self._pack_widgets(value)
return new_dict
elif isinstance(values, list):
new_list = []
for value in values:
new_list.append(self._pack_widgets(value))
return new_list
elif isinstance(values, Widget):
return values.model_id
if isinstance(x, dict):
return {k: self._pack_widgets(v) for k, v in x.items()}
elif isinstance(x, list):
return [self._pack_widgets(v) for v in x]
elif isinstance(x, Widget):
return x.model_id
else:
return values
return x
def _unpack_widgets(self, values):
def _unpack_widgets(self, x):
"""Recursively converts all model id strings to widget instances.
Children widgets will be stored and transmitted to the front-end by
their model ids."""
if isinstance(values, dict):
new_dict = {}
for key, values in values.items():
new_dict[key] = self._unpack_widgets(values[key])
return new_dict
elif isinstance(values, list):
new_list = []
for value in values:
new_list.append(self._unpack_widgets(value))
return new_list
elif isinstance(values, string_types):
if values in Widget.widgets:
return Widget.widgets[values]
else:
return values
if isinstance(x, dict):
return {k: self._unpack_widgets(v) for k, v in x.items()}
elif isinstance(x, list):
return [self._unpack_widgets(v) for v in x]
elif isinstance(x, string_types):
return x if x not in Widget.widgets else Widget.widgets[x]
else:
return values
return x
def _ipython_display_(self, **kwargs):
"""Called when `IPython.display.display` is called on the widget."""