def get_named_value_raw(name):
"""
Returns the NamedValue-Object with the given name.
"""
try:
return _global_keys[name].get()
except KeyError:
named_value = NamedValue.query(NamedValue.name == name).get()
if named_value is not None:
_global_keys[name] = named_value.key
return named_value
def set_value(name, value):
"""
Sets the value with the given name.
"""
# Get existing named value
named_value = get_named_value_raw(name)
if named_value is None:
# Create new named value
named_value = NamedValue()
named_value.name = name
# Edit value
named_value.value = value
# Save
named_value.put()
# Finished
return named_value
def decrement(name):
"""
Decrements the value with the given name, if it is an integer.
"""
# Get existing named value
named_value = get_named_value_raw(name)
if named_value is None:
# Create new named value
named_value = NamedValue()
named_value.name = name
named_value.value = 1
# Edit value
named_value.value -= 1
# Save
named_value.put()
# Finished
return named_value