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| author | Vishwanatha Subbanna <vishwa@linux.vnet.ibm.com> | 2016-09-20 20:41:15 +0530 |
|---|---|---|
| committer | Patrick Williams <patrick@stwcx.xyz> | 2016-09-27 18:42:37 +0000 |
| commit | 0722564e32b749e484dd64461817d9ce1374e2b6 (patch) | |
| tree | 322b10697a5feddf49126eefe31dcf1a9b02bf5c | |
| parent | b00a989bc4e0a7148be28af818d29395e62f92c0 (diff) | |
| download | pyphosphor-0722564e32b749e484dd64461817d9ce1374e2b6.tar.gz pyphosphor-0722564e32b749e484dd64461817d9ce1374e2b6.zip | |
Callback input validator function on property set
This will provide a way for subclasses to register a callback handler which will
then be called into whenever a property update is attempted. The callback will
validate the user inputs and then either throw exception or return success. On
an exception, its rethrown.
Change-Id: I4c1920adb7e4873f2c530752313dd3ebc2230dc2
Signed-off-by: Vishwanatha Subbanna <vishwa@linux.vnet.ibm.com>
| -rw-r--r-- | obmc/dbuslib/bindings.py | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/obmc/dbuslib/bindings.py b/obmc/dbuslib/bindings.py index 203b56f..d3fdbaf 100644 --- a/obmc/dbuslib/bindings.py +++ b/obmc/dbuslib/bindings.py @@ -31,6 +31,7 @@ def get_dbus(): class DbusProperties(dbus.service.Object): def __init__(self, **kw): + self.validator = kw.pop('validator') super(DbusProperties, self).__init__(**kw) self.properties = {} self._export = False @@ -76,6 +77,10 @@ class DbusProperties(dbus.service.Object): def Set(self, interface_name, property_name, new_value): if (interface_name not in self.properties): self.properties[interface_name] = {} + + if self.validator: + self.validator(interface_name, property_name, new_value) + try: old_value = self.properties[interface_name][property_name] if (old_value != new_value): |
