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[#1928] Special handling for lists and tuples

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This commit is contained in:
Aaron McMillin 2019-09-19 00:28:13 -04:00
parent cb04a71a23
commit ed58502246
2 changed files with 54 additions and 7 deletions
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35
evennia/commands/default/building.py
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@ -1701,7 +1701,6 @@ class CmdSetAttribute(ObjManipCommand):
del deep[del_key]
except (IndexError, KeyError, TypeError):
continue
obj.attributes.add(key, val)
return "\nDeleted attribute '%s' (= nested) from %s." % (attr, obj.name)
else:
exists = obj.attributes.has(key)
@ -1710,22 +1709,48 @@ class CmdSetAttribute(ObjManipCommand):
return "\n%s has no attribute '%s'." % (obj.name, attr)
def set_attr(self, obj, attr, value):
done = False
for key, nested_keys in self.split_nested_attr(attr):
if obj.attributes.has(key) and nested_keys:
acc_key = nested_keys[-1]
lookup_value = obj.attributes.get(key)
deep = self.do_nested_lookup(lookup_value, *nested_keys[:-1])
if deep is not self.not_found:
# TODO - insert/append in lists
deep[acc_key] = value
# To support appending and inserting to lists
# a key that starts with @ will insert a new item at that
# location, and move the other elements down.
# Just '@' will append to the list
if isinstance(acc_key, str) and acc_key[0] == '@':
try:
if len(acc_key) > 1:
where = int(acc_key[1:])
deep.insert(where, value)
else:
deep.append(value)
except AttributeError:
pass
else:
value = lookup_value
attr = key
done = True
break
# List magic failed, just use like a key/index
try:
deep[acc_key] = value
except TypeError as err:
# Tuples can't be modified
return "\n%s - %s" % (err, deep)
value = lookup_value
attr = key
done = True
break
verb = "Modified" if obj.attributes.has(attr) else "Created"
try:
obj.attributes.add(attr, value)
if not done:
obj.attributes.add(attr, value)
return "\n%s attribute %s/%s = %s" % (verb, obj.name, attr, repr(value))
except SyntaxError:
# this means literal_eval tried to parse a faulty string