mirror of
https://github.com/SickGear/SickGear.git
synced 2024-12-25 12:13:38 +00:00
90 lines
2.8 KiB
Python
90 lines
2.8 KiB
Python
# todo make sure what they mean by desc undefined? None or empty? Answer: None :) it can never be empty but None is sometimes returned.
|
|
|
|
# I am implementing everything as dicts to speed up property creation
|
|
|
|
# Warning: value, get, set props of dest are PyJs types. Rest is Py!
|
|
|
|
|
|
def is_data_descriptor(desc):
|
|
return desc and ('value' in desc or 'writable' in desc)
|
|
|
|
|
|
def is_accessor_descriptor(desc):
|
|
return desc and ('get' in desc or 'set' in desc)
|
|
|
|
|
|
def is_generic_descriptor(
|
|
desc
|
|
): # generic means not the data and not the setter - therefore it must be one that changes only enum and conf
|
|
return desc and not (is_data_descriptor(desc)
|
|
or is_accessor_descriptor(desc))
|
|
|
|
|
|
def from_property_descriptor(desc, space):
|
|
if not desc:
|
|
return {}
|
|
obj = space.NewObject()
|
|
if is_data_descriptor(desc):
|
|
obj.define_own_property(
|
|
'value', {
|
|
'value': desc['value'],
|
|
'writable': True,
|
|
'enumerable': True,
|
|
'configurable': True
|
|
}, False)
|
|
obj.define_own_property(
|
|
'writable', {
|
|
'value': desc['writable'],
|
|
'writable': True,
|
|
'enumerable': True,
|
|
'configurable': True
|
|
}, False)
|
|
else:
|
|
obj.define_own_property(
|
|
'get', {
|
|
'value': desc['get'],
|
|
'writable': True,
|
|
'enumerable': True,
|
|
'configurable': True
|
|
}, False)
|
|
obj.define_own_property(
|
|
'set', {
|
|
'value': desc['set'],
|
|
'writable': True,
|
|
'enumerable': True,
|
|
'configurable': True
|
|
}, False)
|
|
obj.define_own_property(
|
|
'writable', {
|
|
'value': desc['writable'],
|
|
'writable': True,
|
|
'enumerable': True,
|
|
'configurable': True
|
|
}, False)
|
|
obj.define_own_property(
|
|
'enumerable', {
|
|
'value': desc['enumerable'],
|
|
'writable': True,
|
|
'enumerable': True,
|
|
'configurable': True
|
|
}, False)
|
|
return obj
|
|
|
|
|
|
def to_property_descriptor(obj):
|
|
if obj._type() != 'Object':
|
|
raise TypeError()
|
|
desc = {}
|
|
for e in ('enumerable', 'configurable', 'writable'):
|
|
if obj.has_property(e):
|
|
desc[e] = obj.get(e).to_boolean().value
|
|
if obj.has_property('value'):
|
|
desc['value'] = obj.get('value')
|
|
for e in ('get', 'set'):
|
|
if obj.has_property(e):
|
|
cand = obj.get(e)
|
|
if not (cand.is_callable() or cand.is_undefined()):
|
|
raise TypeError()
|
|
if ('get' in desc or 'set' in desc) and ('value' in desc
|
|
or 'writable' in desc):
|
|
raise TypeError()
|